Entries |
Document | Title | Date |
20080208194 | DOUBLE CUT SHAVER - A surgical cutting instrument with high resection efficiency due to advanced cutting edge tooth geometry. The cutting instrument comprises a tubular member with at least two cutting windows, preferably two cutting windows, provided at the distal end of the tubular member. The two cutting windows have one most distal common region, preferably provided about perpendicular to the longitudinal axis of the tubular member. At least one of the two cutting windows may be provided with teeth. The two cutting windows may be symmetrically or asymmetrically disposed relative to the tube axis when viewed in a plan view, independent of the teeth orientation. | 08-28-2008 |
20080208195 | Surgical Instrument With Telescoping Attachment - A surgical instrument for the dissection of bone and other tissue includes a spindle, a dissection tool and an coupler disposed between the spindle and the dissection tool. The coupler includes a tool collet and an attachment locking mechanism operable to permit tool collet operation and telescoping movement of an attachment tube with respect to the dissection tool. A method is also provided for convenient coupling of the dissection tool and adjustment of the attachment tube length. | 08-28-2008 |
20080221579 | APPARATUS TO TRACE AND CUT A TENDON OR OTHER LATERALLY EXTENDED ANATOMICAL STRUCTURE - A harvesting apparatus is disclosed for harvesting anatomical structures such as tendons, fine muscles, nerves and blood vessels, where the apparatus includes an elongate member having two longitudinally extending tubes or tubular apertures extending from the member's proximal end to its distal end. The distal end includes opposing heads and an arcuate base. The anatomical structure is placed on the arcuate base and a flexible cutting member is threaded through one tube over the anatomical structure and into and through the other tube. The elongate member is then directed into an animal or human body along the structure to a position where the anatomical structure is to be cut. Then the cutting member is pulled back and forth at the distal end causing into to cut the anatomical structure at the distal head. | 09-11-2008 |
20080255562 | CUTTING INSTRUMENT AND METHOD OF USE FOR PREPARING AN OSTEOCHONDRAL PLUG FOR IMPLANTATION - A cutting instrument and method of use for preparing an osteochondral plug for implantation into a bone defect site. The instrument includes a dual function cutting block, a base holder, a rod mechanism and a trimming mechanism. The cutting block has a bore sized to receive the plug, at least one trimming channel and a transverse paring slot. The cutting block functions to hold the plug within the bore to allow for length and cross-sectional sizing. The base holder is constructed to fix the cutting block in a first orientation that allows the rod mechanism to position the plug within the cutting block for accurate length sizing. The base holder is also constructed to fix the cutting block in a second orientation which aligns the cutting block with the trimming mechanism so that an angled blade may engage the trimming channel and cut at least two sides of the plug. | 10-16-2008 |
20080255563 | INSTRUMENTATION AND METHOD FOR PROVIDING SURGICAL ACCESS TO A SPINE - A system for accessing a spine from a curved postero-lateral approach may include a curved cannula positioned along a curved path from an opening in the skin to a location proximate the spine. A targeting post may be inserted adjacent the spine to determine the location. A peritoneal retractor and a guide member may be first inserted to establish the path between the tissues and fascia, and one or more intermediate cannulas may be temporarily inserted over the guide member to dilate the tissues prior to insertion of the main cannula. An interbody device may be implanted in an intervertebral space through the cannula. An endoscope may be inserted through the targeting post or the cannula. The system may include instruments with shafts which are flexible or are curved to match the curve of the curved cannula, including a rongeur, curette, rasp, distractor, trial implant, probe, tamp, and implant inserter. | 10-16-2008 |
20080255564 | Bone cutting device - Apparatus and a method of inserting spinal implants is disclosed in which an intervertebral space is first distracted, a hollow sleeve having teeth at one end is then driven into the vertebrae adjacent that disc space. A drill is then passed through the hollow sleeve removing disc and bone in preparation for receiving the spinal implant which is then inserted through the sleeve. | 10-16-2008 |
20080269754 | Preparation Tools and Methods of Using the Same - Various devices and methods for accessing and preparing treatment sites within the intervertebral disc space for subsequent negligible-incision surgical (NIS) or percutaneous procedures to treat disc degeneration and disc related back pain are disclosed. Also disclosed is a method for performing a percutaneous spine procedure including preparing a treatment site within the intervertebral disc space for subsequent delivery of a biomaterial to treat disc degeneration and disc related back pain. | 10-30-2008 |
20080294166 | EXTENDABLE CUTTING MEMBER - Provided is a minimally invasive cavity formation instrument for forming tissue cavities. The instrument includes an end effector having an aperture through which a cutting element is laterally extended and retracted. The cutting element may be retracted for minimally invasive insertion into a tissue region and extended to form a tissue cavity. The end effector of the instrument may be articulated or rotated to facilitate cavity formation. | 11-27-2008 |
20080294167 | ARTICULATING CAVITATION DEVICE - Provided is an articulating cavitation device configured to cut cancellous bone wholly within a vertebra. The articulating cavitation device includes an end effector, having an extendable cutting element, configured to articulate relative to an insertion tube. The end effector of the cavitation device may be articulated and rotated with the cutting element extended to form a tissue cavity about multiple axes. | 11-27-2008 |
20080306481 | SYSTEM AND METHOD FOR PROVIDING SURGICAL ACCESS TO A SPINE - A system for accessing a spine from a curved postero-lateral approach may include a curved cannula positioned along a curved path from an opening in the skin to a location proximate the spine. A guide member may be first inserted to establish the path between the tissues and fascia, and one or more intermediate cannulas may be temporarily inserted over the guide member to dilate the tissues prior to insertion of the main cannula. An interbody device may be implanted in an intervertebral space through the cannula. The system may include a guide bar removably coupled to a targeting post. The targeting post may be inserted adjacent the spine to provide a target, and the guide bar may be removably attached to the guide member, to guide it along the path to the target location. An external support arm may be secured to any other component of the system. | 12-11-2008 |
20080306482 | Surgical Cutting Tool - Surgical cutting tool for manufacturing of a recess in a firm body tissue, in particular in a bone and/or in a cartilage, with a milling range, which is rotatable around a central axis of rotation, with an outside lateral surface of the milling range and by an internal area, which is substantially defined by the lateral surface and turned away from the worked on body tissue, and the lateral surface is formed with at least two machining cutting edges in terms of a milling head, which proceed at the lateral surface from a machining center to a machining edge of the milling range and which are in particular spiral curved, and apertures are arranged adjacent to the cutting edges for the transport of the cutting splinters into the internal area, whereby the cutting edges are interrupted by means of recesses in such a way that the cutting edges are formed by individually cutting elements. | 12-11-2008 |
20090054898 | Articulating Shaper - A shaper for reaming tissue includes an articulating head operably connected to a shaft. Incremental deployment allows for a unique utility in shaping a cavity suited to the particular morphology, that is, a more customizable cavity shape may be achieved. | 02-26-2009 |
20090062801 | Arrangement for securing instrument to bone - An instrument for attachment to a bone is disclosed herein. The instrument comprises a body portion providing a cutting guide. At least one hole extends through the body portion. The at least one hole includes a first portion configured to engage a handle. The at least one hole further includes a second portion configured to pass a bone engaging member having a shaft, such as a bone pin or a bone screw. The second portion of the at least one hole is not configured to pass the handle. The handle and the bone engaging member may be provided in various configurations. For example, the handle may be releasably connected to the shaft in a cannulated relationship. In another embodiment, the handle is integrally connected to the shaft. | 03-05-2009 |
20090062802 | CUTTING APPARATUS - A cutting apparatus comprises a flexible elongate cutting member, and a tensioning arrangement to maintain the flexible elongate member in a tensioned condition. The tensioning arrangement comprises a carrying arrangement on which the flexible elongate member is arranged. The cutting apparatus further includes a driving arrangement to move the carrying arrangement, thereby causing the flexible elongate member to move and effect cutting of an article. | 03-05-2009 |
20090062803 | MEDICAL CUTTING TOOL MANUFACTURING APPARATUS AND METHOD - A medical cutting tool manufacturing apparatus, which can form cutting blades to the top face with a simple structure, and a manufacturing method for the same are provided. The medical cutting tool manufacturing apparatus of the present invention, which manufactures a medical cutting tool such as a steel bar having a plurality of cutting blades | 03-05-2009 |
20090088753 | Customized Patient-Specific Instrumentation for Use in Orthopaedic Surgical Procedures - A number of orthopaedic surgical instruments are also disclosed. A method, apparatus, and system for fabricating such instruments are also disclosed. | 04-02-2009 |
20090088754 | Customized Patient-Specific Multi-Cutting Blocks - A number of orthopaedic surgical instruments are also disclosed. A method, apparatus, and system for fabricating such instruments are also disclosed. | 04-02-2009 |
20090088755 | Customized Patient-Specific Instrumentation for Use in Orthopaedic Surgical Procedures - A number of orthopaedic surgical instruments are also disclosed. A method, apparatus, and system for fabricating such instruments are also disclosed. | 04-02-2009 |
20090099567 | Customized Patient-Specific Bone Cutting Blocks - A number of orthopaedic surgical instruments are also disclosed. A method, apparatus, and system for fabricating such instruments are also disclosed. | 04-16-2009 |
20090143782 | MICROFRACTURE SURGERY APPARATUS AND METHOD - Apparatus and method for microfracture surgery to create apertures in a bone tissue surface comprising uniform depth by controlling an insertion length. Verification of insertion length may be accomplished through the use of a color-coded kit wherein each microfracture surgery apparatus comprises a color-coded handle associated with an insertion length and offset angle. | 06-04-2009 |
20090177202 | ORTHOPAEDIC CUTTING INSTRUMENT AND METHOD - An orthopaedic cutting instrument and associated methods are presented. | 07-09-2009 |
20090187190 | Transverse Cavity Device and Method - A surgical instrument and method is provided for creating and preparing a cavity in a bony intervertebral body. Asymmetrical cutting structures selectively open a cavity which has a relatively large surface area in the vertical direction. One method pertains to the treatment of a vertebral compression fracture. | 07-23-2009 |
20090198238 | Bone Preparation Tool Kit and Associated Method - A prosthesis ( | 08-06-2009 |
20090204119 | DEVICES AND METHODS FOR TISSUE MODIFICATION - Methods and apparatus are provided for selective surgical removal of tissue. In one variation, tissue may be ablated, resected, removed, or otherwise remodeled by standard small endoscopic tools delivered into the epidural space through an epidural needle. The sharp tip of the needle in the epidural space, can be converted to a blunt tipped instrument for further safe advancement. The current invention includes specific tools that enable safe tissue modification in the epidural space, including a barrier that separates the area where tissue modification will take place from adjacent vulnerable neural and vascular structures. A nerve stimulator may be provided to reduce a risk of inadvertent neural abrasion. | 08-13-2009 |
20090216234 | Spinal Access Systems and Methods - A system for accessing a spine from a curved postero-lateral approach may include a curved cannula positioned along a curved path from an opening in the skin to a location proximate the spine. The location may be at the L4-L5 vertebral level, and the curved path may lie in a plane oblique to the transverse, coronal and sagittal planes of the spine, and avoid the iliac crest. A targeting post may be inserted adjacent the spine to determine the location, and a guide member may be inserted to establish the curved path. A micrometer assembly may adjust a cephalad-caudal displacement between the post and the guide member. One or more intermediate cannulas may be inserted over the guide member to dilate tissues prior to insertion of the main cannula. An interbody device may be implanted into an intervertebral space through the cannula. | 08-27-2009 |
20090270862 | MEDICAL DEVICE WITH ONE-WAY ROTARY DRIVE MECHANISM - Apparatuses and methods for accessing and disrupting a tissue are disclosed herein. In one embodiment, a method includes inserting a distal end portion of an elongate member into a biological body. After inserting the elongate member, an actuator is manually actuated to produce translational motion of a drive element. The translational motion is converted into rotational movement of the distal end portion of the elongate member. In one embodiment, an apparatus includes an elongate member having a tissue interaction member at a distal end portion that is configured to be inserted within a biological body. A conversion mechanism is coupled to the elongate member and includes a drive element. An actuator is coupled to the conversion mechanism and is configured to cause translational motion of the drive element. The conversion mechanism is configured to convert the translational motion of the drive element into rotational motion of the elongate member. | 10-29-2009 |
20090275948 | SURGICAL TECHNIQUE AND INSTRUMENTATION FOR MINIMAL INCISION HIP ARTHROPLASTY SURGERY - Improved instruments for modifying a shape of a proximal femur of a patient for installation of a stem of a femoral component of a prosthetic hip during hip replacement surgery, comprising a handle including an elongated shaft extending downward approximately in a z-direction, a first offset extending from a bottom of the elongated shaft approximately in a y-direction, a second offset extending from the second offset approximately in an x-direction, and a shaping member elongated downward from the second offset approximately in the z-direction. Provided is an improved femoral broach and an improved osteotome. Also provided is a method of improving a patient's positioning during hip replacement surgery by using a variable configuration mattress for positioning the patient. | 11-05-2009 |
20090292287 | METHODS AND APPARATUS FOR TOOLS IN AXIALLY ORIENTED BORES THROUGH SPINAL VERTEBRAE - One or more tools for use in shaped axially oriented bores extending from an accessed posterior or anterior target point are formed in the cephalad direction through vertebral bodies and intervening discs, if present, in general alignment with a visualized, trans-sacral axial instrumentation/fusion (TASIF) line in a minimally invasive, low trauma, manner. An anterior axial instrumentation/fusion line (AAIFL) or a posterior axial instrumentation/fusion line (PAIFL) that extends from the anterior or posterior target point, respectively, in the cephalad direction following the spinal curvature through one or more vertebral body is visualized by radiographic or fluoroscopic equipment. In one embodiment, curved anterior or posterior TASIF axial bores are formed in axial or parallel or diverging alignment with the visualized AAIFL or PAIFL, respectively, employing bore forming tools that can be manipulated from proximal portions thereof that are located outside the patient's body to adjust the curvature of the anterior or posterior TASIF axial bores as they are formed in the cephalad direction. Further bore enlarging tools are employed to enlarge one or more selected section of the anterior or posterior TASIF axial bore(s), e.g., the cephalad bore end or a disc space, so as to provide a recess therein that can be employed for various purposes, e.g., to provide anchoring surfaces for spinal implants inserted into the anterior or posterior TASIF axial bore(s). | 11-26-2009 |
20090299371 | Surgical bone cutting assembly and method of using same - The invention is directed toward a surgical kit having component parts capable of use in excising a cartilage defect site on a patient to prepare the same for receipt of an implant plug, the kit comprising a cylindrical gauge with a central bore used to measure the defect area, a guide rod adapted to be driven through the gauge tube into the center of said defect area and a cartilage cutting assembly adapted to be mounted over the guide rod and used for excising the defect area and cutting a cylindrical bore into the defect area. The method for use of the kit comprises the steps of: marking the defect area to be cut; placing a guide rod into the center defect area and driving the same to a predetermined distance to secure the same in the defect area and placing a drill bit over the guide rod and rotating the drill bit to cut a cylindrical blind bore removing the cartilage defect. | 12-03-2009 |
20090299372 | Surgical allograft bone plug cutting tool assembly and method of using same - The invention is directed toward a surgical kit having component parts capable of use to prepare a cartilage implant plug from allograft condyle. The kit comprises a sizing gauge used to measure surface of the allograft condyle so that a cartilage implant plug can be removed that corresponds to the contours of the defect site excised on a patient. An adjustable guide member is mounted in a fixed orientation over the allograft condyle in which a cylindrical graft cutter for cutting a cylindrical allograft bone plug having a cartilage cap and a bone end portion. A chamfering tool is used for chamfering the bone end of the allograft bone plug. | 12-03-2009 |
20100010492 | Miniature Shredding Tool for Use in Medical Applications and Methods for Making - The present invention relates generally to the field of micro-scale or millimeter scale devices and to the use of multi-layer multi-material electrochemical fabrication methods for producing such devices with particular embodiments relate to shredding devices and more particularly to shredding devices for use in medical applications. In some embodiments, tissue removal devices are used in procedures to removal spinal tissue and in other embodiments, similar devices are used to remove thrombus from blood vessel. | 01-14-2010 |
20100023013 | Monorail System - Systems providing improved methods of performing a spinal fusion procedure and including a monorail instrument that protects the medial neural structures, includes a sliding platform for additional instrumentation and allows controlled delivery of various instruments for disc preparation and implant insertion. The monorail instrument engages other instruments, including various instruments utilized to prepare the disc space as well as spinal fusion implants, for guided and controlled insertion into the disc space. The monorail instrument may be a distractor, and may include flutes for preparation of the disc space. | 01-28-2010 |
20100030216 | DISCECTOMY TOOL HAVING COUNTER-ROTATING NUCLEUS DISRUPTORS - Spinal tools and methods are described herein. In some embodiments, an apparatus includes an elongate member and a tissue disrupter. The elongate member has a distal end portion and defines a lumen. The tissue disruptor is coupled to the distal end portion of the elongate member. The tissue disruptor is configured to rotate relative to the elongate member to disrupt a body tissue. | 02-04-2010 |
20100030217 | Flexible Inner Member Having a Flexible Region Comprising a Cut with Convoluted Path Areas - A flexible inner member for rotation within an angled outer tubular member of a rotary tissue cutting instrument to cut anatomical tissue includes a flexible region for conforming to the configuration of an angled region of the outer tubular member. The flexible region comprises a cut having convoluted path areas formed through a cylindrical wall of a tubular body of the inner member. The convoluted path areas are rotationally spaced on the tubular body in alternating sequence with connecting path segments of the cut. The cut follows a convoluted path in the convoluted path areas forming the wall of the tubular body into a pair of complementary, mating hook formations of opposed curvature. The connecting path segments extend rotationally along the tubular body between the convoluted path areas. | 02-04-2010 |
20100042103 | SYSTEMS AND METHODS FOR PROVIDING A BONE MILLING DEVICE - A milling tool system for accurately preparing a portion of the tibia preparatory to making femoral resections. The milling too system provides a minimally invasive procedure to provide an aperture within an exposed surface of the tibia, the aperture then being used as a referencing surface to accurately resect the femur. Once the femur resections have been made, the remaining uncut portions of the tibia are exposed and easily accessible for the tibial resections. | 02-18-2010 |
20100042104 | SURGICAL TOOLS AND COMPONENTS THEREOF - A surgical tool and monolithic frame therefore are disclosed. The monolithic frame defines a longitudinal axis between opposite first and second ends thereof, and is adapted to receive the flexible drive shaft of a surgical tool, and to support at an end thereof the rotary cutting tool of a surgical tool. The monolithic frame is characterized by greater flexibility in opposite directions along a first axis defined normal to the longitudinal axis than in opposite directions along a second axis defined normal to both the first axis and the longitudinal axis. | 02-18-2010 |
20100076438 | KEEL PUNCH IMPACTOR WITH CONNECTION DEVICE - A keel punch impactor comprises a main body having an interior bore. A locking shaft is positioned in the interior bore of the main body, the locking shaft defining a shaft axis. An actuator is in contact with the locking shaft. The actuator is moveable between a first position and a second position. The position of the locking shaft is moved within the interior bore of the main body upon movement of the actuator. In particular, the locking shaft is moved such that the shaft axis is offset when the actuator is moved from the first position to the second position. When the shaft is moved, a head on the shaft is moved into or out of alignment with a boss extending from the main body of the keel punch impactor. | 03-25-2010 |
20100076439 | Orbital orthopedic reshaping and resurfacing tool designed to minimally reshape and resurface bone ends in the orthopedic surgical repair or reconstruction of hip, knee, ankle, shoulder, elbow, wrist, and other joints - An orbitally or lineally oscillating orthopedic resurfacing tool having multiple interchangeable resurfacing heads and having a sealed debris flushing system to be used for the resurfacing of bone ends in an anatomical joint in preparation for the installation of prosthetic components in the orthopedic surgical repair or reconstruction of the hip, knee, ankle, shoulder, elbow, wrist, and other joints. | 03-25-2010 |
20100076440 | METHOD AND APPARATUS FOR PERFORMING ARTHROSCOPIC MICROFRACTURE SURGERY - A microfracture instrument for applying microfracture therapy to a bone, the microfracture instrument comprising:
| 03-25-2010 |
20100076441 | PATELLO-FEMORAL MILLING SYSTEM - An orthopedic system prepares a surface of an anatomical structure to receive an orthopedic prosthesis. A method for using the same is also disclosed. The orthopedic system includes a surgical instrument and a guide. The guide includes an anterior portion and a distal portion that is at least partially elevated relative to the anterior portion. The distal portion includes at least one track that is sized to receive the surgical instrument while preparing the surface of the anatomical structure. | 03-25-2010 |
20100082031 | MINIMALLY INVASIVE BONE MILLER APPARATUS - A miller assembly for creating a cavity in a bone. The cavity has a cross section which has a generally triangular profile having a first side generally parallel with an axis of the bone and a second side forming an acute angle with the first side, and is contiguous with a pre-existing conical cavity in the bone. The miller assembly includes a cutter and a frame for carrying the cutter. The frame includes a connection portion having a longitudinal axis and a cutter mount for mounting the cutter at a first angle approximating the acute angle with respect to the longitudinal axis of the connection portion. The cutter mount extends at the first angle from the longitudinal axis of the connection portion and is configured to receive a portion of the cutter and maintain the received cutter oriented at the first angle during rotation. The frame further includes a handle configured to form a portion of a drive joint for coupling the frame to a drill, the handle having a longitudinal axis. The longitudinal axis of the handle is coincident with the longitudinal axis of the frame. | 04-01-2010 |
20100082032 | TREATMENT TIP INCISION TEMPLATE - A shape and depth template for incisions with treatment tips, usable in treatments such as bone surgery, comprising a guiding body for a treatment tip provided with two mutually opposite end faces arranged at a preset distance and a lateral surface, one of the end faces being arrangeable at the treatment tip incision region and with a hole that of preset shape that passes there through from one end face to the other. | 04-01-2010 |
20100082033 | SYSTEM FOR USE IN TREATMENT OF VERTEBRAL FRACTURES - Methods and devices that displace bone or other hard tissue to create a cavity in the tissue. Where such methods and devices rely on a driving mechanism for providing moving of the device to form a profile that improves displacement of the tissue. These methods and devices also allow for creating a path or cavity in bone for insertion of bone cement or other filler to treat a fracture or other condition in the bone. The features relating to the methods and devices described herein can be applied in any region of bone or hard tissue where the tissue or bone is displaced to define a bore or cavity instead of being extracted from the body such as during a drilling or ablation procedure. | 04-01-2010 |
20100087823 | PEDICLE PREPARATION DEVICE TO ASSIST IMPLANTATION OF PEDICLE SCREWS - A device to assist in preparing a pedicle of a patient to receive a pedicle screw comprises a shaft including a tip extending from a distal end of the shaft adapted to penetrate bone. An angle guide is connected with the shaft to provide an indication of shaft orientation along one or more planes relative to a pre-defined position. | 04-08-2010 |
20100094295 | Minimally Invasive Bone Broach - A broaching system is disclosed for creating a cavity in a bone. The cavity has a cross section which has a generally triangular profile having a first side generally parallel with an axis of the bone and a second side forming an acute angle with the first side. The cavity is contiguous with a pre-existing conical cavity in the bone. The apparatus comprises as shaft and a broach. The shaft has a longitudinal axis. The broach is mounted to the shaft and has a first cutting side mounted at the acute angle relative to the longitudinal axis of the shaft. The first cutting side is formed to include teeth. The shaft and broach are configured so that when the longitudinal axis of the shaft is advanced into the bone along the axis of the bone, the teeth of the broach form the triangular cavity. A method for cutting a triangular cavity in bone is also described. The method comprises a providing a shaft step, an incising step and a cutting step. The provided shaft is configured to be movable relative to the bone to be prepared and includes a broach coupled thereto to dispose a cutting surface of the broach at an acute angle relative to the shaft. The shaft and broach have a width defined by the distance between the shaft and the outer most portion of the cutting surface. The incising step includes incising the patient adjacent the bone to be prepared to form an incision having a length approximating the width of shaft and broach. The cutting step includes cutting the cavity by driving the broach by moving the shaft relative to the bone. | 04-15-2010 |
20100100097 | INSTRUMENTS FOR PREPARING BONE IMPLANTS - A system for preparing a bone implant includes a chisel and a cutting guide. The chisel includes a handle includes an elongate body having a distal end and a proximal end. A chisel head is connected to the distal end of the handle. The chisel head includes a stop and a blade distally extending from the stop. The stop defines a notch. A mushroom head radially extends from the proximal end of the handle. The cutting guide has a body defining a cavity and a plurality of slots. The cavity is sized and configured to receive a bone implant. The plurality of slots are each sized and configured to receive the blade of the chisel. | 04-22-2010 |
20100121330 | SURGICAL BONE MILLING INSTRUMENT - A surgical bone milling instrument, for operating in a hole formed in a bone, comprising a milling element ( | 05-13-2010 |
20100145340 | Introducer Tool for Bone Measurement - A system for performing a medical procedure includes an introducer and a guide pin that include features that coordinate to indicate the distance the guide pin is extended beyond the tip of the introducer when both are deployed at a target location. By incorporating measurement features into the guide pin/introducer combination, accurate measurement capabilities are provided without requiring dedicated measurement tools. | 06-10-2010 |
20100160914 | SINGLE USE RESECTION GUIDE - Single use or disposable cutting blocks and methods for utilizing same are disclosed. The blocks are preferably constructed of polymer and/or other suitable low cost and light weight materials. The blocks may be adapted for use with low friction cutting instruments, as well as other such cutting instruments. Several differently sized and configured blocks may be utilized to perform a single surgical procedure. In addition, kits housing one or more such blocks, with or without other instruments are possible. | 06-24-2010 |
20100168747 | Method and apparatus for removal of tissue - A surgical instrument includes a deflectable cutting element extending from the distal end of the instrument. The deflection of the cutting element is controllable based on a user operating a moveable member of the instrument. The deflectable cutting element is normally disposed within a circumferential region defined by the distal end of the instrument. The moveable member can be moved in relation to the instrument to deflect the deflectable cutting element, such that the cutting element is at least partially outside of the circumferential region. The extent that the cutting element is outside of the circumferential region is a function of the position to which the moveable member is moved in relation to the instrument. The instrument further includes direct imaging of the distal end, such that the deflection of the cutting element for selective removal of bone tissue at the distal end of the instrument can be controlled in real-time. | 07-01-2010 |
20100168748 | MORSELIZER - Described herein are bone morcelizers for forming cavities in bone, particularly cancellous bone. In general, these devices include an outer cannulated member coupled to a proximal handle. An inner member may be extended and rotated relative to the outer member in a controlled manner, by operating one or more controls on the handle. The inner member may assume a curved shape relative to the outer member when it is extended. | 07-01-2010 |
20100168749 | Disposable reamer shaft or modular spherical or tapered hollow reamer assembly for medical applications - A low cost disposable reamer shaft is made from a rod or tube stock of stainless steel, Nitinol or fiber reinforced polymer having a precise outer diameter in the range of 4 to 14 millimeter and is cut to a shaft length of 250 to 400 millimeters. An attachment piece with male or female thread matching a spherical hollow or tapered hollow reamer is machined and glued with epoxy on one end of the rod of tube stock using a precision centerline aligning jig. An attachment piece for connecting to a drive power unit is machined and glued with epoxy to the other end of the rod or tube stock thus forming a low cost disposable reamer shaft that aligns the centerline of the shaft with that of the reamer. The shaft contacts the reamer at two attachment locations that are displaced from each other, providing precise centerline alignment. | 07-01-2010 |
20100179555 | Cutting Insert, Cutting Tool, and Cutting Method Using the Cutting Tool - A cutting insert and a cutting tool, with which concentration of stress on a flank corresponding to a first cutting edge (main cutting edge) comprising a plurality of surfaces is reduced, and to provide a cutting method using the cutting tool. | 07-15-2010 |
20100185200 | STRUCTURE FOR FORMING BONE - Structure for promoting the formation of bone comprising a body essentially comprising pharmaceutical grade calcium sulfate and a calcium phosphate or apatite biomaterial in the form of porous granules having an average grain size by weight of between 250 and 3000 micrometers, said biomaterial granules themselves having a specific surface area of between 10 and 50 m | 07-22-2010 |
20100234848 | Systems and Methods for Removing Body Tissue - Devices and methods for removing body tissue involving the use of a brush member having a plurality of bristle members defining a capacity for carrying body tissue. The brush member is capable of being manipulated within said body to thereby receive body tissue within said brush member such that said body tissue may be carried and thereafter removed from said body. Also provided are protective devices dimensioned to be positioned near an entrance into the target site, the protective devices for establishing a barrier between the brush member and at least a portion of the body tissue adjacent to the entrance. The protective devices may comprise one of a cannula assembly and a retractor assembly. | 09-16-2010 |
20100241123 | Tissue Cavitation Device and Method - A percutaneous surgical device and method for creating a cavity within tissue during a minimally invasive procedure. A cavitation device includes a shaft interconnected to a flexible cutting element. A flexible cutting element has a first shape suitable for minimally invasive passage into tissue. The flexible cutting element has a means to move toward a second shape suitable for forming a cavity in tissue. When used in bone, the resulting cavity is usually filled with bone cement or suitable bone replacement material that is injectable and hardens in situ. The disclosed cavitation device and methods can be used for the following applications: (1) treatment or prevention of bone fracture, (2) joint fusion, (3) implant fixation, (4) tissue harvesting (especially bone), (5) removal of diseased tissue (hard or soft tissue), and (6) general tissue removal (hard or soft tissue). | 09-23-2010 |
20100249785 | Betts Osteotome - A medical device and method of using the device to reinforce and stabilize a compressed tissue is disclosed. The medical device comprises a shaft with a single blade that is biased with a bend, but is elastic enough to be straightened. The end of a cannula is inserted into a tissue, and the blade and shaft are then inserted into a cannula to straightens the blade and direct it to the tissue site. When the blade reaches the tissue site, the blade naturally returns to its bent biased state, and the shaft and blade are then rotated to pulp a volume of tissue. A binding material is then injected into the pulped tissue without removing the tissue. | 09-30-2010 |
20100262145 | Medical cutting device and medical cutting training device - Provided is a medical cutting device including a housing, a cutting tool, a tool supporting unit and a load detecting unit. The housing supports the tool supporting unit and the load detecting unit. The tool supporting unit supports the cutting tool. The load detecting unit detects a load applied to the cutting tool. | 10-14-2010 |
20100268231 | EXPANDABLE POROUS MESH BAG DEVICE AND METHODS OF USE FOR REDUCTION, FILLING, FIXATION AND SUPPORTING OF BONE - A method of treating a compression fracture in a bone comprising the steps of forming a transverse cavity within said bone defined by at least one substantially flat surface lying substantially in a transverse plane formed by and communicating with said transverse cavity, the transverse cavity having a substantially uniform transverse extent and a maximum height, the maximum height being less than said transverse extent and applying a force within said transverse cavity generally normal to said surface to displace said surface and restore said bone to its substantially normal anatomic position. | 10-21-2010 |
20100268232 | DELIVERY SYSTEMS, TOOLS, AND METHODS OF USE - A covering for delivering a substance or material to a surgical site is provided. The covering, with substance provided therein, may be referred to as a delivery system. Generally, the covering may be a single or multi-compartment structure capable of at least partially retaining a substance provided therein until the covering is placed at a surgical site. Upon placement, the covering may facilitate transfer of the substance or surrounding materials. For example, the substance may be released (actively or passively) to the surgical site. The covering may participate in, control, or otherwise adjust the release of the substance. In various embodiments, the covering is suitable for a variety of procedure specific uses. Implantation tools may be provided for placing the covering at a surgical site. Kits may be provided including variously sized or shaped coverings and one or more tools for use in placing the covering. | 10-21-2010 |
20100268233 | Apparatus for Forming a Tunnel in a Bone - An apparatus and method for forming a tunnel in a bone. The apparatus is used to form a first tunnel in the bone, the tunnel having a longitudinal axis, inserting a first drill guide into the first tunnel, supporting a first tunnel-forming device along an axis defining a first offset relative the longitudinal axis of the first tunnel with the first drill guide, and forming a second tunnel alongside the first tunnel with the first tunnel-forming device, the second tunnel communicating with the first tunnel and defining a single elongated opening. | 10-21-2010 |
20100274250 | TISSUE MODIFICATION DEVICES AND METHODS - Described herein are devices, systems and methods for cutting tissue in a patient. In some embodiments, a tissue modification region of a device includes a pair of flexible elongate cutting members extending along the length of the tissue modification region. Each elongate cutting member may be configured to cut a discrete trough into tissue to a depth that is greater than the thickness of the cutting member. In some embodiments, the device includes a spacer. The spacer may be sized and configured to operate in one of two modes. A first mode, in which the spacer is coupled to the cutting members such that it holds a portion of each of the two cutting members a distance from one another, and a second mode, in which at least a portion of the spacer is moved away from a cutting member to allow the cutting members to cut further into tissue. | 10-28-2010 |
20100286693 | DISPOSABLE CARTILAGE CUTTER - A medical device that is composed of a sterilizable material, is used to create thin cartilage discs, and includes a device body and a cover with a plurality of holding devices, each of which includes a section that with a recess located in the top side of the device body, the recess being entirely or partially enclosed by a delimiting ridge, and being closable via a projection located on the top side of the cover, and in which the lateral delimiting ridge has a guide slot, into which a cutting blade is inserted and guided via an end face of the section and extends, at a distance that differs for each section, parallel to the bottom surface of the particular recess. It is therefore possible to create thin cartilage discs having certain, different thicknesses and a consistent level of quality, even without using the known shims. | 11-11-2010 |
20100298830 | APPARATUS AND METHODS FOR INTRODUCING PORTALS IN BONE - Some introducer tools for bone portals have a handle coupled to a driving member by a force-limiting coupling. A bone portal comprising a bone-penetrating portion and a bone stop may be driven to a desired depth in bone when the force-limiting coupling allows application of force to the bone portal that is sufficient to drive the bone-penetrating portion of the portal into the bone but not sufficient to drive the bone stop significantly into the bone. Bone portals of various types are described herein. Various configurations for stylets suitable for use in introducing bone portals or otherwise penetrating bone and methods for inserting bone portals are also described herein. | 11-25-2010 |
20100298831 | APPARATUS FOR INTRODUCING PORTALS IN BONE HAVING MOVABLE BONE PROBE - Some introducer tools for bone portals have a handle coupled to a driving member by a force-limiting coupling. A bone portal comprising a bone-penetrating portion and a bone stop may be driven to a desired depth in bone when the force-limiting coupling allows application of force to the bone portal that is sufficient to drive the bone-penetrating portion of the portal into the bone but not sufficient to drive the bone stop significantly into the bone. Bone portals of various types are described herein. Various configurations for stylets suitable for use in introducing bone portals or otherwise penetrating bone and methods for inserting bone portals are also described herein. | 11-25-2010 |
20100318087 | SYSTEMS AND METHODS FOR FORMING A CAVITY IN CANCELLOUS BONE - A cavity creating device having a cavity creating axis is introduced through a percutaneous access path into a cancellous bone volume, e.g., within a vertebral body. The cavity creating device is manipulated to form a cavity in the cancellous bone volume. The manipulation includes deflecting the cavity creating device along the cavity creating axis relative to the axis of the access path. A material, such as bone cement, can be conveyed into the cavity. | 12-16-2010 |
20100324560 | BORING INSTRUMENT GUIDING DEVICE AND BORING ASSEMBLY - A boring instrument guiding device which is used to guide a boring instrument that forms a pilot hole for embedding a pedicle screw in a vertebral pedicle includes a reference pin | 12-23-2010 |
20100331845 | Methods and instruments for interbody surgical techniques - This invention relates to methods and instruments for performing a surgical procedure in a disc space between adjacent vertebrae. The instruments include a distractor and a cutting instrument. In one embodiment the distractor includes a body portion and a pair of flanges extending along opposite sides of the body portion such that a slot is formed between the flanges and the body portion. The cutting instrument is positionable over the body portion and into the slots of the distractor so that the flanges are positioned between the cutting instrument and the adjacent tissue. | 12-30-2010 |
20110015633 | Osteochondral Autograft Transplantation Procedure and Apparatus - A surgical procedure according to which a cutting device is connected in a spaced relationship to an anchor, and the anchor is located over a first area of the bone. The distance between the cutting device and the anchor is adjusted so that the cutting device extends over a second area of the bone, and the anchor is driven into the first area of the bone so that the cutting device cuts into the second area. | 01-20-2011 |
20110022051 | SYSTEMS AND METHODS FOR PLACING MATERIALS INTO BONE - A method for delivering material into bone deploys a cannula through soft tissue to establish a subcutaneous path into bone. The method deploys a cavity forming instrument through the cannula to form a cavity in cancellous bone. The method introduces a material into the cavity through the cannula, which includes the advancement of a tamping instrument through the cannula to urge material into the cavity. | 01-27-2011 |
20110028976 | Impact-Driven Intraosseous Needle - An apparatus for penetrating a bone marrow of a bone is provided. The apparatus includes a housing comprising a handle and a trigger mechanism, a spring-loaded assembly comprising a rod and a shaft; and a connector comprising a first end operable to connect to the drive shaft and a second end operable to attach to a penetrator hub. The penetrator hub includes a penetrator operable to access the bone marrow. | 02-03-2011 |
20110034929 | Devices and Methods for Cutting a Vertebral Implant - The present application is directed to devices and methods for cutting a spinal implant. In one embodiment, the device includes a handle and a head. The handle is sized to receive a predetermined length of the implant. A head is rotatably attached to the handle and includes a blade. After the implant is inserted into the handle, the head is rotated causing the blade to move around the implant and cut an excessive length from the predetermined length. | 02-10-2011 |
20110077653 | Method for using retractable stylet and cannula combination to form an opening in bone - In one preferred aspect, a method is provided for forming an opening in bone for the sequential dilation of tissue. | 03-31-2011 |
20110082459 | STRUCTURED STERNAL INCISION - A method of performing a sternal incision is disclosed. The method includes the employment of a surgical appliance for performing structured sternal incision. The surgical appliance is characterized by having an incising member for incising the sternal tissue and an actuating mechanism therefore. Upon actuating the incising member and driving the incising member of the surgical appliance relative to the sternum, the pattern of the structured sternal incision is formed. | 04-07-2011 |
20110082460 | Method of cutting bone - A surgical instrument system includes a tool ( | 04-07-2011 |
20110098709 | MECHANICAL CAVITY-CREATION SURGICAL DEVICE AND METHODS AND KITS FOR USING SUCH DEVICES - A mechanical cavity-creation surgical device and methods and kits for using such devices is described. In one variation, the mechanical cavity-creation surgical device contains a side window at the distal end of a shaft that allows the articulation of a blade, pick, or tip from a position that is inside the shaft to a position that protrudes at least partially from the side window. | 04-28-2011 |
20110106088 | Pneumatic instrument for tissue removal - Osteotome tier the removal of bone and of bone tumors, as well as of ligaments and fibrocartilaginous tissue, during surgery, comprising a pair of blades slidably coupled so that respective distal ends thereof be closable the one against the other for the removal of a bone fragment, pneumatic propelling means for the blades, and a trigger for the operation of the propelling means by a user. | 05-05-2011 |
20110106089 | HIGH SPEED SURGICAL CUTTING INSTRUMENT - A surgical cutting instrument including an outer tube having a bearing sleeve disposed within a lumen thereof, along with an inner wire assembly extending through the outer tube and the bearing sleeve. A cutting tip is connected to the inner wire assembly distal the outer tube. Conversely, a coupling chuck is connected to a proximal section of the inner wire assembly, with a housing maintaining the outer tube and the coupling chuck. When mounted to a motor, the inner wire assembly is rotated to effectuate a surgical cutting procedure at the cutting tip, with the bearing sleeve supporting the inner wire assembly relative to the outer tube during rotation. | 05-05-2011 |
20110112539 | TISSUE MODIFICATION DEVICES - Described herein are elongate devices for modifying tissue having a plurality of flexibly connected and rungs or links, and methods of using them, including methods of using them to decompress stenotic spinal tissue. These devices may be included as part of a system for modifying tissue. In general, these devices include a plurality of blades positioned on for formed from) rungs that are flexibly connected and may be separated by one or more spacers. The rungs are typically wider than they are long (e.g., rectangular). The rungs may be arranged, ladder like, and may be connected by a flexible connector substrate or between two or more cables. Different sized rungs may be used, or rungs with different cutting properties. In some variations the tissue modification devices may have a non-linear axial shape, or may be converted from a first axial shape to a second axial shape. | 05-12-2011 |
20110130759 | Method for use of dilating stylet and cannula - In one preferred aspect, a method is provided for inserting an instrument set having a tapered configuration into a patient. In another preferred aspect, a method is provided for inserting a cannula having an external threaded portion into bone. In yet another preferred aspect, a method is provided for forming and enlarging an opening in bone. | 06-02-2011 |
20110130760 | INSTRUMENT FOR FORMING A CAVITY WITHIN A BONE - An instrument for forming a cavity within a bone. The instrument comprises a shaft, a blade pivotally mounted on the shaft towards a first end of the shaft and a push rod extending within the shaft and coupled to the blade, the push rod being arranged to slide within the shaft to cause the blade to rotate about its pivot. The instrument further comprises a depth stop coupled to the shaft arranged such that when the shaft is inserted into a bore extending into a bone the depth stop is arranged to engage bone surrounding the bore to limit movement of the shaft into the bore. A spring couples the push rod to the shaft and is arranged to resist axial movement of the push rod within the shaft towards the first end of the shaft. When the depth stop engages bone surrounding a bore, axial force exceeding the spring resistance applied to the push rod causes the push rod to slide within the shaft. | 06-02-2011 |
20110137315 | CUTTING INSTRUMENT AND METHOD OF USE FOR PREPARING AN OSTEOCHONDRAL PLUG FOR IMPLANTATION - A cutting instrument and method of use for preparing an osteochondral plug for implantation into a bone defect site. The instrument includes a dual function cutting block, a base holder, a rod mechanism and a trimming mechanism. The cutting block has a bore sized to receive the plug, at least one trimming channel and a transverse paring slot. The cutting block functions to hold the plug within the bore to allow for length and cross-sectional sizing. The base holder is constructed to fix the cutting block in a first orientation that allows the rod mechanism to position the plug within the cutting block for accurate length sizing. The base holder is also constructed to fix the cutting block in a second orientation which aligns the cutting block with the trimming mechanism so that an angled blade may engage the trimming channel and cut at least two sides of the plug. | 06-09-2011 |
20110144648 | OSTEOCHONDRAL PLUG GRAFT TRIMMING DEVICE AND METHOD - A device for trimming an osteochondral plug graft to an implantable configuration, includes a blade assembly terminating in a configured leading cutting blade and a plug graft housing comprising a substantially longitudinal holding sleeve having a bore and oriented complementarily to the longitudinal structure of the blade assembly to receive the longitudinal structure within the sleeve bore with the assembly cutting blade in close tolerance along an inner bore surface of the longitudinal housing structure. | 06-16-2011 |
20110160731 | DEVICES AND METHODS FOR TISSUE ACCESS - Methods and apparatus are provided for selective surgical removal of tissue, e.g., for enlargement of diseased spinal structures, such as impinged lateral recesses and pathologically narrowed neural foramen. In some embodiments, a surgical tissue removal device includes a flexible elongate body that is adapted to conform with the target anatomy and a guidewire connector at the distal end region of the flexible elongate body configured to removably connect to the end of a guidewire so that the guidewire and flexible elongate body can be pulled distally. The body may have at least one blade edge, and the flexible elongate body may be a thin, flat, ribbon shaped flexible body that comprises a profile having a width that is substantially greater than a height. | 06-30-2011 |
20110166575 | SACROILIAC FUSION SYSTEM - An undercutting system for preparing a region between ilium and sacrum for sacroiliac fusion. The undercutting system includes an insertion apparatus and a cutting assembly. The cutting assembly is operably attached to the insertion apparatus. The cutting assembly is movable with respect to the insertion apparatus between a retracted configuration and an extended configuration. | 07-07-2011 |
20110178523 | TOOL AND CORRESPONDING METHOD FOR REMOVAL OF MATERIAL FROM WITHIN A BODY - A device for removing material from within the body, includes an elongated element formed from hollow segments sequentially interconnected at effective hinges. The device assumes an insertion configuration for insertion of the segments sequentially through an opening of a first dimension into the body. A portion of the elongated element inserted into the body progressively assumes a material removing configuration in which a relative position of each segment relative to an adjacent segment is delineated by the effective hinge together with additional abutment surfaces defining a fully deflected state of the effective hinge. The material removing configuration has at least two dimensions exceeding the first dimension. At least two of the segments are formed with at least one opening, typically provided with a cutting configuration, deployed so as to receive material into a hollow volume of the segment during progressive formation of the material removing configuration as the elongated element is advanced. | 07-21-2011 |
20110190772 | POWERED TISSUE MODIFICATION DEVICES AND METHODS - A device for modifying tissue in a spine may include: a shah having a proximal portion and a distal portion, the distal portion having dimensions which allow h to be passed into an epidural space of the spine and between target and non-target tissues at least one distal force application member extending from the distal portion of the shall and configured to facilitate application of at least one of anchoring force and tensioning force to the shaft; at least one movable tissue modifying member coupled with the shaft at or near its distal portion; at least one drive member coupled with the at least one tissue modifying member to activate the at least one tissue modifying member; and at least one power transmission member coupled with the at least one drive member to deliver power to the at least one drive member. | 08-04-2011 |
20110196373 | BONE PREPARATION DEVICE - A bone preparation device for shaping endplates forming an intervertebral disc space between two adjacent vertebrae includes a cutter component and a cutter-positioner component. The cutter-positioner is arranged to limit the distal travel of the cutter component and to restrict the range of motion of the distal end of the cutter component. The bone preparation device also includes a rotational interface between the cutter component and the cutter-positioner component. The rotational interface is structurally arranged to permit the cutting blade to be rotated at the same time the cutter component is restricted in its range of motion. | 08-11-2011 |
20110208192 | SURGICAL TOOL, ESPECIALLY FOR MACHINING BONES FOR INSERTION OF A DENTAL IMPLANT - The description, among other things, concerns a Surgical Tool for the preparation of bones, comprising a tool shank, designed to be inserted into a rotatable tool holder and having a duct for conducting the flow of a cooling or rinsing fluid, a machining part driven by the tool shank and rotatable around an axial rotation axis and placed at the proximal axial end of the tool shank, a guide element extending in axial direction of the Surgical Tool, placed at the proximal axial end of the machining part, axially movable relative to the machining part and designed for insertion into a pilot drilling, having at its surface one or several rinsing slots extending in axial direction for conducting the cooling or rinsing fluid, wherein the Surgical Tool and the rinsing slots are designed in such a manner that the exit point at which the cooling or rinsing fluid exits the duct into the rinsing slots, is placed in the area of the passage between the proximal axial end of the machining part and a distal axial area of the guide element. | 08-25-2011 |
20110208193 | System and Method of Harvesting Osteochondral Plugs - A method is disclosed and can include engaging a harvest guide with bony tissue and placing a cutting device within the harvest guide. The harvest guide can maintain the cutting device substantially perpendicular to a tangent through a point on the bony tissue aligned with the cutting device. The cutting device can be an osteochondral chisel, a trephine, or a combination thereof. | 08-25-2011 |
20110218536 | METHOD AND SYSTEM FOR SHAVING BONE - A medical catheter extrusion forms a sheath around a wire. The extrusion is coupled to a steering and motivating handle. The handle is part of a housing that houses a motivation component fixed to the housing, a crankshaft, or similar eccentric component, couples to the motivation component, which is coupled to a proximal end of the wire. At the wire's distal end, a cutting tip with canted teeth couples to the wire. The cutting tip is capable of cutting bone when moving axially toward the catheter extrusion but glides across the bone without cutting it when moving axially away from the catheter extrusion. The motivation component can be a motor or buttons or a trigger, that couple to the wire and converts manual movement into reciprocating motion of the flexible shaft. The shaft's reciprocating motion moves the flexible and steerable shaft back and forth to move the. | 09-08-2011 |
20110238069 | THREADED HOLE FORMING DEVICE - A hole forming device useful for creating holes with threads in bone is disclosed. The hole forming device may be formed from an inner shaft and outer sleeve extending distally from a handle. The inner shaft may include a pointed tip that may be used to initiate hole formation. Once the hole forming device has been partially inserted into a material, such as, but not limited, bone, the inner shaft may be removed without having to remove the outer sleeve. The outer sleeve remains in place in the material and may then be advanced to create threads within the hole. Screws and other appropriate devices may be secured in the threaded hole. | 09-29-2011 |
20110251615 | SYSTEM FOR USE IN TREATMENT OF VERTEBRAL FRACTURES - Methods and devices that displace bone or other hard tissue to create a cavity in the tissue. Where such methods and devices rely on a driving mechanism for providing moving of the device to form a profile that improves displacement of the tissue. These methods and devices also allow for creating a path or cavity in bone for insertion of bone cement or other filler to treat a fracture or other condition in the bone. The features relating to the methods and devices described herein can be applied in any region of bone or hard tissue where the tissue or bone is displaced to define a bore or cavity instead of being extracted from the body such as during a drilling or ablation procedure. | 10-13-2011 |
20110257653 | Systems and Methods for Patient-Based Computer Assisted Surgical Procedures - Surgical systems and methods are disclosed for creating a 3D model of a patient's affected area using an imaging device, using the model to determine an implant orientation and position, creating patient-matched instrumentation, placing the patient-matched instrumentation on the patient's anatomy, registering a computer-assisted surgical tool, and acquiring registration information. The methods and systems also include associating the surgical tool with a computer to perform a computer assisted surgery. Also disclosed are embodiments of patient-matched instrumentation to acquire registration information. | 10-20-2011 |
20110264096 | MILL HEAD FOR A BONE MILL, THE MIlL HEAD INCLUDING A CATCH TRAY - A bone mill including a base and a mill head that is removably attached to the base. A cutting disc is rotatably disposed in the mill head. When the mill head is attached to base, the cutting disc is rotated by a motor internal to the base. A plunger mounted to the mill head urges the bone against the cutting disc. The cutting disc and an impingement plate internal to the mill head shear the bone into chips. The chips are discharged from an opening in the mill head into a catch tray removably attached to the mill head. | 10-27-2011 |
20110270254 | Apparatus and Method for Hip Cup Extraction - A hip cup extraction apparatus ( | 11-03-2011 |
20110288552 | MILLING APPARATUS FOR IMPLANTING A JOINT PROSTHESIS - A novel and improved elbow prosthesis and method of implanting same including a novel aggregate prosthesis having a retaining system in conjunction with a set plate. | 11-24-2011 |
20110295259 | SURGICAL TECHNIQUE AND INSTRUMENTATION FOR MINIMAL HIP ARTHROPLASTY SURGERY - Improved instruments for modifying a shape of a proximal femur of a patient for installation of a stem of a femoral component of a prosthetic hip during hip replacement surgery, comprising a handle including an elongated shaft extending downward approximately in a z-direction, a first offset extending from a bottom of the elongated shaft approximately in a y-direction, a second offset extending from the second offset approximately in an x-direction, and a shaping member elongated downward from the second offset approximately in the z-direction. Provided is an improved femoral broach and an improved osteotome. Also provided is a method of improving a patient's positioning during hip replacement surgery by using a variable configuration mattress for positioning the patient. | 12-01-2011 |
20110306978 | METHODS AND APPARATUS FOR ACETABULAR ARTHROPLASTY - A method for performing an acetabular arthroplasty in an acetabulum of an ilium may include locating an iliac canal of the ilium. The iliac canal extends from the surface of the acetabulum generally toward a portion of the iliac ridge. An impacting step impacts a non-rotating bone removal tool aligned along the iliac canal such that the non-rotating bone removal tool removes bone within the iliac canal and forms a bone void. Another step secures a fixation implant within the canal void. An acetabular implant is installed within the acetabulum over the fixation implant. | 12-15-2011 |
20110306979 | SURGICAL INSTRUMENT - The invention relates to a surgical instrument comprising a handling part and a tool part that encompasses at least one movably mounted tool which is actuated via a force-transmitting and/or actuating mechanism. Said force-transmitting and/or actuating mechanism is operated from the handling part and is provided with a fluid-operated drive unit. In order to improve said surgical instrument such that the same can be operated with as much sensitivity as possible, the movably mounted tool can be impinged upon a first acutation force in a first driven position while being impinged upon by at least one second actuation force in a least one second driven position with the aid of the drive unit. | 12-15-2011 |
20110319895 | FLUTED BONE AWL AND METHOD OF USE - An awl provides for creating an accurate hole in a bone, such as for implantation of a suture anchor. The awl comprises an elongated shaft having a distal tip which terminates in a sharp point adapted to penetrate bone. At least one cutting flute is provided on the shaft and has a longitudinally extending cutting edge formed on the shaft proximal to and adjacent to the sharp point whereby to allow removal of bone via the cutting flute upon rotation of the shaft about a central longitudinal axis thereof inside of the bone. | 12-29-2011 |
20110319896 | CANNULATED FLEXIBLE DRIVE SHAFT - A flexible cannulated drive shaft ( | 12-29-2011 |
20110319897 | Patient Selectable Joint Arthroplasty Devices and Surgical Tools - Disclosed herein are methods, compositions and tools for repairing articular surfaces repair materials and for repairing an articular surface. The articular surface repairs are customizable or highly selectable by patient and geared toward providing optimal fit and function. The surgical tools are designed to be customizable or highly selectable by patient to increase the speed, accuracy and simplicity of performing total or partial arthroplasty. | 12-29-2011 |
20120004660 | Multi-component cortical bone assembled implant - An implant composed substantially of cortical bone is provided for use in cervical Smith-Robinson vertebral fusion procedures. The implant is derived from allograft or autograft cortical bone sources, is machined to form a symmetrically or asymmetrically shaped (e.g. a substantially “D”-shaped) implant having a canal running therethrough according to methods of this invention, and inserted into the space between adjacent cervical vertebrae to provide support and induce fusion of the adjacent vertebrae. Osteogenic, osteoinductive or osteoconductive materials may be packed into the canal of the implant to expedite vertebral fusion and to allow autologous bony ingrowth. | 01-05-2012 |
20120010619 | METHOD AND APPARATUS FOR PROVIDING A RELATIVE LOCATION INDICATION DURING A SURGICAL PROCEDURE - An orthopedic guidewire includes an elongate guidewire body having longitudinally spaced proximal and distal guidewire ends. An engaging feature is located at the distal guidewire end and is configured to selectively engage a bone surface. At least one of a variable diameter and a variable stiffness are along a portion of the guidewire body spaced apart from the engaging feature. A method of providing a relative location indication during a surgical procedure utilizing the orthopedic guidewire is also included. | 01-12-2012 |
20120016367 | COMPLIANT DEVICE AND METHOD FOR CUTTING AN INTERVERTEBRAL DISC - Devices for cutting an intervertebral disc that may include an elongated shape with a distal end and a proximal end and being sized for insertion into an intervertebral space. The devices may include a number of articulating segments that are movably connected together to be shaped in a variety of angular orientations to conform to the shape of the intervertebral disc. The segments may include one or more exposed cutting surfaces that cut the disc as the device is moved through the intervertebral space. | 01-19-2012 |
20120022536 | MANIPULATOR DEVICE FOR A MILLING TOOL FOR PROSTHETIC SURGERY OPERATIONS - A manipulator device for a milling tool for prosthetic surgery operations, comprising a central body and at least attachment members angularly constrained to the central body to achieve the selective attachment/detachment of the central body to/from the milling tool. The attachment members are provided at one end of the central body and comprise mechanical attachment elements comprising an insertion seating, blind and open toward an insertion end in a direction axial to a median axis of rotation of the central body and at least a groove made radially through to the insertion seating and open toward the insertion end. The attachment members also comprise magnetic attachment elements comprising a magnetic element provided inside the insertion seating, in order to magnetically hold a connection element of the tool inside the insertion seating. | 01-26-2012 |
20120022537 | SYSTEM AND METHOD FOR PROVIDING SURGICAL ACCESS TO A SPINE - A system for accessing a spine from a curved postero-lateral approach may include a curved cannula positioned along a curved path from an opening in the skin to a location proximate the spine. A guide member may he first inserted to establish the path between the tissues and fascia, and one or more intermediate cannulas may be temporarily inserted over the guide member to dilate the tissues prior to insertion of the main cannula. An interbody device may be implanted in an intervertebral space through the cannula. The system may include a guide bar removably coupled to a targeting post. The targeting post may be inserted adjacent the spine to provide a target, and the guide bar may be removably attached to the guide member, to guide it along the path to the target location. An external support arm may be secured to any other component of the system. | 01-26-2012 |
20120022538 | FLEXIBLE TISSUE REMOVAL DEVICES AND METHODS - A device for removing tissue from a patient may include an elongate flexible body having a proximal end, a distal end, and a longitudinal axis therebetween, the elongate body having opposed first and second major surfaces with a lateral orientation across the axis, and a plurality of blades distributed laterally across the first major surface. Each blade may have a first end adjacent the first surface and extending to a cantilevered second end, a first edge between the first and second ends of the blade being oriented toward the distal end of the elongate body, a second edge between the first and second ends of the blade being oriented toward the proximal end of the elongate body, a height of the blade between its first and second ends, and an axial length of the blade between its first and second edges. | 01-26-2012 |
20120029518 | LUMBO-SACRAL IMPLANT SYSTEM AND METHOD - A system for treating a lumbo-sacral junction includes at least one dilator configured to create a passageway from a direct lateral trajectory in a body defining a longitudinal axis. A cutting instrument is configured to create a bore, oriented at an angle from the longitudinal axis, in a L5 vertebrae of the body extending to a central portion of a L5-S1 intervertebral disc space of the body. A delivery instrument is configured to deliver an implant through the bore to the central portion of the L5-S1 disc space. Methods of use are disclosed. | 02-02-2012 |
20120029519 | ABRASIVE CUTTING SYSTEM AND METHOD - A high pressure fluid jet system is provided, which is useful for cutting hard material during a surgical procedure. The cutting of hard material is more efficient as the system delivers abrasive solid particles with the high pressure fluid. A method of effecting cutting during a surgical procedure is also provided. In an exemplary embodiment, a surgical tool that is effective to deliver a pressurized stream of fluid through a nozzle is provided, and the pressurized stream of fluid is delivered through the surgical tool and out of the nozzle to hard material within a patient to effect cutting of the hard material within the patient in a desired pattern. The fluid that cuts the hard material can include a delivery liquid having a plurality of abrasive solid particles that are formed from an organic material. The abrasive solid particles can be entrained in the pressurized fluid stream or the pressurized fluid stream can erode a solid or suspension form of the abrasive particles. | 02-02-2012 |
20120041442 | TUNNEL NOTCHER AND GUIDEWIRE DELIVERY DEVICE - A tunnel notcher and guidewire delivery device is provided for creating a notch and positioning a guidewire within a bone tunnel. In general, the device includes an elongate member having proximal and distal ends with an inner lumen extending therebetween that is adapted to receive a guidewire. The device also includes a cutting element disposed on a distal portion of the elongate member that is adapted to remove bone within an opening of a bone tunnel. In use, the device | 02-16-2012 |
20120071876 | MICROFRACTURE AWL - A microfracture awl includes an articulating portion that enables the microfracture awl to strike a subchondral bone plate at a precise desired angle to prevent scuffing or undue scraping of the targeted subchondral bone plate. The articulating portion of the microfracture awl is received through a guide sleeve. A proximal end of the articulating portion is rigid and connects to a base. The articulating portion is placed through a guide sleeve and the base resides in a handle attached to the sleeve. The guide sleeve has a curved distal end. The practitioner strikes the rigid base of the microfracture awl and thereby transmits a force to the articulating portion of the awl however, the force is not transmitted to the guide sleeve or handle. Accordingly, the articulating portion of the awl may smoothly travel through the guide sleeve at the angle defined by the curved distal end of the guide sleeve, thereby angularly positioning the tip of the awl with the targeted bone plate. The articulating portion includes a plurality of articulating members configured in a series of ball and socket configurations. A method includes selection of a guide sleeve with the desired curvature and impacting the awl a number of times at the targeted area to produce a desired effect with respect to the release of bone marrow cells to induce growth of fibrocartilage tissue. | 03-22-2012 |
20120078254 | CUSTOMIZED PATIENT-SPECIFIC COMPUTER CONTROLLED CUTTING SYSTEM AND METHOD - A customized patient-specific orthopaedic surgical system including a first surgical block, a second surgical block, and a computer-controlled milling machine. The first surgical block includes a first bone-facing surface having a first customized patient-specific negative contour to receive a first corresponding contour of a bone of a patient and a first mounting surface. The second surgical block includes a second bone-facing surface having a second customized patient-specific negative contour to receive a second corresponding contour of the bone of the patient and a second mounting surface to be separately mated with the first mounting surface. The computer-controlled milling machine includes a third mounting surface to be separately mated with the first mounting surface of the first surgical block. | 03-29-2012 |
20120078255 | MULTIPLE PATHWAYS FOR SPINAL NERVE ROOT DECOMPRESSION FROM A SINGLE ACCESS POINT - A method of accessing target tissue adjacent to a spinal nerve of a patient includes the steps of accessing a spine location of the patient by entering the patient through the skin at an access location, inserting a flexible tissue modification device through the access location to the spine location, advancing a distal portion of the first flexible tissue modification device from the spine location to a first exit location, passing through the first exit location and out of the patient, advancing the first or a second flexible tissue modification device through the same access location to the spine location and to a second exit location, and passing through the second exit location and out of the patient. | 03-29-2012 |
20120083787 | IMPLEMENT FOR ORIENTATING A TOOL, PARTICULARLY USEFUL IN SURGICAL TOOLS FOR HARVESTING AND IMPLANTING BONE PLUGS TO REPAIR DAMAGED BONE TISSUE - An implement for orientating a tool at a predetermined angle with respect to a plane of a target surface to be engaged by the tool, particularly for orientating a surgical cutting tool perpendicularly to bone tissue for harvesting and implanting a bone plug to repair damaged bone tissue, includes a rod having a distal end coupled to a head formed with three contact points arranged in a circular array around the longitudinal axis of the rod, such that the three contact points define a plane. The rod is coupled to the head with the longitudinal axis of the rod at the predetermined angle to the plane defined by the three contact points, such that when the three contact points of the rod are in contact with the target surface, the longitudinal axis of the rod is at the predetermined angle with respect to the plane of the target surface. | 04-05-2012 |
20120095467 | SURGICAL INSTRUMENTS FOR CUTTING ELONGATED ELEMENTS AND METHODS OF USE - A surgical instrument for cutting an elongated element. The surgical instrument may have a compact size for use in-situ during a surgical procedure. The surgical instrument is also configured to provide the necessary mechanical advantage to cut the elongated element. The surgical instrument may include first and second arms that are pivotally connected together at a pivot. The arms include blades positioned at or towards distal ends of the arms that act together to cut the elongated element. A force mechanism is positioned between the arms to pivot the arms between an open orientation and a closed cutting orientation. The force mechanism may be positioned directly between the arms to reduce the overall size of the instrument. | 04-19-2012 |
20120095468 | TISSUE MODIFICATION DEVICES AND METHODS - Described herein are devices and methods for cutting tissue in a patient. In some embodiments, a bimanually controlled device may include a tissue modification region; at least two flexible elongate lengths of cable that extend substantially adjacent to each other proximally to distally; a plurality of rungs extending between the lengths of cable; and a pair of flexible elongate cutting members extending along the length of the tissue modification region of the device. Each elongate cutting member has a thickness cuts a discrete trough into tissue to a depth that is greater than the thickness of the cutting member. The device may further include a substrate sized and configured to releasably hold the cutting members a distance from one another and a pair of couplers positioned toward an outer edge region of the substrate and configured to releasably secure a cutting member to the outer edge region of the substrate. | 04-19-2012 |
20120109130 | SURGICAL TOOL WITH SHEATH - A surgical tool can include a main unit and a first rigid sheath. The main unit includes an inner tube that is received within an outer tube. The first rigid sheath removably receives the main unit and connects to the main unit via a coupling between a first connector portion of the main unit and a second connector portion of the rigid sheath. The first rigid sheath can be completely removed from the main unit when the first connector portion is decoupled from the second connector portion. A different rigid sheath having a different shape from the shape of the first rigid sheath can then be removably attached to the main unit instead of the first rigid sheath. A surgical tool kit includes a plurality of rigid sheaths having different shapes and having the ability to be removably attached to the main unit. | 05-03-2012 |
20120109131 | DEVICE FOR IN SITU MILLING OF JOINT SURFACES - A device for in situ milling of joint surfaces, including a milling device ( | 05-03-2012 |
20120123416 | METHODS AND DEVICES FOR SOFT TISSUE AND JOINT REPAIR - Disclosed herein are methods and devices for tissue and joint repair. Devices as disclosed herein can be used during surgical procedures, for example, to repair biceps tendons, elbows, shoulders, and knees. Methods disclosed herein relate to methods for repairing the same using the disclosed devices. | 05-17-2012 |
20120143194 | Devices and Methods for Treating Bone - A device is disclosed for reducing a vertebral compression fracture, comprising a superior end plate and an inferior end plate disposed along a vertical axis. The superior end plate and the inferior end plate are slidably separable in a vertical direction along the vertical axis. An interior chamber is provided in fluid communication with a port extending from an exterior to the interior chamber. The device is deployable within a vertebral body and expandable within the vertebral body by injecting a flowable material into the interior chamber thereby displacing the superior and inferior end plates along the vertical axis. | 06-07-2012 |
20120157999 | Device and Methods For Use During Arthroscopic Surgery - The present disclosure relates to a method of use during arthroscopic surgery. The method includes inserting a cannulated needle into a joint area of the body, inserting a guidewire through the needle, removing the needle, and inserting an arthroscopy knife into the joint area via the use of the guidewire. An arthroscopy knife and another method of its use is also disclosed. | 06-21-2012 |
20120172877 | SURGICAL TOOL COUPLING - A surgical instrument includes distal and proximal tube sections and a coupling that couples the distal tube section to the proximal tube section. The coupling includes first and second connector portions coupled to one of the distal tube section and the proximal tube section. The first and second connector portions are selectively engageable and disengageable with respect to each other and each include selectively engageable fixing members. The distal and proximal tube sections are rotationally fixed to each other when the fixing members of the second connector portion are engaged with the fixing members of the first connector portion. The distal and proximal tube sections can rotate relative to each other when the fixing members of the second connector portion are disengaged from the fixing members of the first connector portion. | 07-05-2012 |
20120191093 | Apparatus and Method for Cutting Costal Cartilage - A double-bladed cutting device providing a practical method for obtaining costal cartilage specimens in both an operating room and research setting. The device reduces the skill and time required to fashion cartilage slices, while increasing the uniformity of the cut specimens. Furthermore, via an adjustable guide, slices can be obtained precisely from the central core of the rib. Although specimen lengths up to 4 cm are preferred, longer lengths can be attained without modification of the device. The cartilage specimen may be held in place within the device via means of compression or tension. | 07-26-2012 |
20120221006 | Method for Manipulating Intervertebral Tissue - A method for manipulating intervertebral tissue in one embodiment includes inserting at least one abrading member for abrading tissue into an area to be cleared, expanding at least one expandable member from a first condition to a second condition, wherein the volume defined by the at least one expandable member in the second condition is greater than the volume defined by the at least one expandable member in the first condition, moving the inserted at least one abrading member from a first position to a second position by the expansion of the at least one expandable member, manipulating the inserted at least one abrading member to loosen tissue, and removing the loosened tissue from the area to be cleared. | 08-30-2012 |
20120232555 | BONE CUTTING DEVICE - Methods are described for treating a target tissue with a radioisotope. Some methods include determining a distance between a target tissue and a surface of a matrix material to be positioned adjacent the target tissue and, based on the determined distance, determining an activity to be mixed with the matrix material to obtain a desired activity concentration. Some methods further include mixing the radioisotope with the matrix material. In some embodiments, the matrix material is a bone cement, and the target tissue is a tumor in a bone. The radioisotope may be a beta-emitting radioisotope mixed in the cement at a concentration to form a radioactive cement. | 09-13-2012 |
20120232556 | Pneumatic Surgical Instrument and Corresponding Methods for Penetrating, Resecting and Microfracturing Bone - Various embodiments of components, devices, systems and methods are provided for a pneumatic surgical instrument having a distal end of a probe configured to penetrate bone, resect or microfracture bone. The injury caused to the bone by the penetration, resection or microfracturing of same causes blood to flow to the injury site and promote the growth of new bone at the site. Holes or recesses in the bone may also be employed to treat arthritis in patient, to form holes or recesses in which one or more orthopedic implants are attached or anchored to same, form microfractures in bone, resect bone, perform osteotomies, or to carry out yet other surgical procedures in bone. | 09-13-2012 |
20120239041 | DEVICES AND METHODS FOR TISSUE MODIFICATION - Methods and apparatus are provided for selective surgical removal of tissue. In one variation, tissue may be ablated, resected, removed, or otherwise remodeled by standard small endoscopic tools delivered into the epidural space through an epidural needle. The sharp tip of the needle in the epidural space, can be converted to a blunt tipped instrument for further safe advancement. The current invention includes specific tools that enable safe tissue modification in the epidural space, including a barrier that separates the area where tissue modification will take place from adjacent vulnerable neural and vascular structures. A nerve stimulator may be provided to reduce a risk of inadvertent neural abrasion. | 09-20-2012 |
20120289963 | SURGICAL BLADE ASSEMBLY - A surgical blade assembly for use with a driver includes a blade with a distal cutting portion, and a proximal end has a first dimension which is less than what is applicable for use with a specific driver head. An insert is affixed to the blade proximal end and, when affixed to the blade proximal end, is configured to enable the blade for use with the driver head. A surgical cutting tool includes such a surgical blade assembly and a driver head receiving the blade assembly. A surgical cutting tool kit includes a driver with a head for receiving the blade assembly, and a plurality of such surgical blade assemblies for use with the driver, wherein the blades have different thicknesses (a) and/or widths and the corresponding inserts are configured such that the proximal ends of the surgical blade assemblies all include at least one same constant dimension (b). | 11-15-2012 |
20120296336 | SURGICAL INSTRUMENT - A surgical instrument for removing bone, cartilage, or similar tissue is described. The surgical instrument has a shaft that extends in a longitudinal direction and supports a cutting plate which is inclined perpendicular or relative to the longitudinal direction, and a cutting element which is movably mounted on the shaft and supports a blade at the distal end in which the blade is pointing in the direction of the cutting plate and being advanced to the cutting plate in order to cut tissue. | 11-22-2012 |
20120310243 | INTEGRATED SYSTEM FOR CLEANING BONE AND MILLING THE CLEANED BONE TO FORM BONE CHIPS - A system for cleaning bone that includes a base unit with a motor, a cleaning head ( | 12-06-2012 |
20120310244 | METHOD OF USING A VERTEBRAL FACET JOINT DRILL - Methods for creating holes in the articular process of the vertebra using a vertebral facet joint drill tool are provided. Methods of using the resulting holes to anchor or stabilize facet joint prosthesis, and also altering the spacing and motion at the facet joints of the vertebral column, are provided. | 12-06-2012 |
20120310245 | Chondral Defect Repair - A tissue repair device. The tissue repair device includes a tubular shaft having a longitudinal bore for delivering biological material to a soft tissue defect, and an awl having a distal end configured for microfracturing bone underlying the defect. The tubular shaft and the awl are movable relative to one another such that the awl is at least partially positioned within the longitudinal bore of the tubular shaft. | 12-06-2012 |
20120323242 | SURGICAL AWL AND METHOD OF USING THE SAME - A bone awl is provided for preparing a bone for implantation with a screw. The awl includes a shaft having a first end and a second end opposed to the first end. A handle is fixed to the first end, and an extension extends from the second end. The extension includes a first cutting portion configured to form a hole in bone and a second cutting portion configured to form an internal screw thread in the bone along the surface of the hole. The awl also includes an axial through passage that extends from the handle to the first cutting portion and is dimensioned to receive a Kirshner pin therein. | 12-20-2012 |
20120330314 | Devices And Methods For Treating Bone Tissue - The present disclosure relates to devices and methods for creating channels within bone. One method for treating bone generally includes traversing an elongated member through cancellous bone of a vertebral body along a first generally non-linear path and then retracting the elongated member, thereby leaving a generally non-linear channel. The elongated member then is traversed through the cancellous bone along a second generally non-linear path, which second path does not completely coincide with the first path and then retracted along the second generally nonlinear path, thereby leaving a second generally non-linear channel. Optionally, bone filler material is deployed into the channels. | 12-27-2012 |
20130012944 | SYSTEMS AND METHODS FOR FACILITATING SURGICAL PROCEDURES INVOLVING CUSTOM MEDICAL IMPLANTS - Systems and methods for planning surgical procedures involving custom medical implants that can involve the selection, design and/or creation of custom medical implants and/or the selection, modification, and/or design of custom surgical procedures related to those implants. Certain embodiments allow implants to be selected, designed, created, or otherwise customized and then placed in patients using non-standard surgical techniques. The invention provides greater flexibility in implant use by allowing a surgeon to revise, create, or otherwise select surgical techniques for custom implants and, ultimately, provide better treatment in a greater variety of medical circumstances. Certain embodiments of the invention involve computer assisted surgery to provide for implant-related surgery involving non-standard surgical steps and/or implants. | 01-10-2013 |
20130018376 | Devices and Methods For the Preparation of Intervertebral DiscsAANM Yoon; SamuelAACI WyndmoorAAST PAAACO USAAGP Yoon; Samuel Wyndmoor PA USAANM Suh; SeanAACI BensalemAAST PAAACO USAAGP Suh; Sean Bensalem PA USAANM Leonard; RobertAACI FurlongAAST PAAACO USAAGP Leonard; Robert Furlong PA US - A power tool for removing an intervertebral disc and preparing vertebral endplates is described. The power tool may include a cutting element, and the height of the cutting element may be adjustable. The cutting element may be a braided cable and may include one or more beads to enhance the effectiveness of the cable. The cutting element may have a minimum height requirement, which may not be satisfied in patients with a collapsed disc due to degenerative disc disorder. For these patients, also described are bone tamps for increasing the intervertebral distance and providing access to tissues distal to the tamp. One type of bone tamp features an inflatable balloon with an inner lumen. Another type of bone tamp includes an expanding distal end and an inner cannula. Also described is a manual expander scraper tool that is compatible with both types of bone tamp. | 01-17-2013 |
20130023880 | Percutaneous Methods For Spinal Stenosis and Foraminal Stenosis - The present invention is a method for performing a percutaneous laminoplasty that includes entering a first introducer needle introducing a first tool wire into an epidural space above a selected lamina, entering a first catcher exit needle that that is caught with the first introducer needle and pulled through a patient body and entering a second introducer needle introducing a second tool wire into the epidural space below the selected lamina. The method also includes entering a second catcher exit needle that is caught within the epidural space and pulled through the patient body, moving the caught first introducer needle and the first catcher exit needle back and forth to cut the lamina and moving the caught second introducer needle and the second catcher exit needle back and forth to cut the lamina. There is also a method for performing a percutaneous foraminoplasty. | 01-24-2013 |
20130030439 | APPARATUS FOR INTRODUCING BONE PORTALS - Some introducer tools for bone portals have a handle coupled to a driving member by a force-limiting coupling. A bone portal comprising a bone-penetrating portion and a bone stop may be driven to a desired depth in bone when the force-limiting coupling allows application of force to the bone portal that is sufficient to drive the bone-penetrating portion of the portal into the bone but not sufficient to drive the bone stop significantly into the bone. Bone portals of various types are described herein. Various configurations for stylets suitable for use in introducing bone portals or otherwise penetrating bone and methods for inserting bone portals are also described herein. | 01-31-2013 |
20130035690 | METHOD AND APPARATUS FOR GENERATING A TOOL PATH FOR A ROBOTIC ORTHOPEDIC SURGICAL PROCEDURE - A method for generating an improved tool path for cutting a bone so as to minimize soft tissue trauma, wherein the method comprises: | 02-07-2013 |
20130041376 | PROSTHESIS RESECTION GUIDE - A conical burr template is indexed to the intramedullary canal of a tibia, such that a burr may trace the periphery of the template to define a correspondingly shaped cavity in the bone which is properly sized, shaped, and positioned to receive a cone-shaped tibial augment component. Advantageously, use of the burr template promotes expedient surgery while maintaining optimal fit characteristics and proper spatial placement of the tibial cone augment. | 02-14-2013 |
20130053851 | ACCESS AND TISSUE MODIFICATION SYSTEMS AND METHODS - Described herein are methods and systems for precisely placing and/or manipulating devices within the body by first positioning a guidewire or pullwire. The device to be positioned within the body is coupled to the proximal end of the guidewire, and the device is pulled into the body by pulling on the distal end of the guidewire that extends from the body. The device may be bimanually manipulated by pulling the guidewire distally, and an attachment to a device that extends proximally, allowing control of both the proximal and the distal ends. In this manner devices (and particularly implants such as innerspinous distracters, stimulating leads, and disc slings) may be positioned and/or manipulated within the body. Guidewire exchange systems, devices and methods are also described. A guidewire may be exchanged between different surgical devices and may be releaseably or permanently coupled. | 02-28-2013 |
20130072934 | BONE CUTTER WITH VACUUM OR IMPULSIVE SYSTEM - The invention relates to a bone cutter that is designed for surgical purposes, that can be used with vacuum or impulsive system depending on the preference of the surgeon and that is manufactured in two different, disposable or reusable models, cutter edges with various diameter and size can be installed on the same leg mechanism. | 03-21-2013 |
20130072935 | ARTHROSCOPIC RESECTION DEVICE - The present disclosure relates to an arthroscopic resection device. The device includes an outer member including a hub, an inner member including a hub, the inner member housed within the outer member, a tube coupled to the outer member, and means for allowing longitudinal movement of the outer member relative to the inner member, the means coupled to the tube. A method of tissue repair and other arthroscopic resection devices are also disclosed. | 03-21-2013 |
20130072936 | ANGLED GRINDER - A tissue removal system comprises a rotatable burr element located within a distal housing and a burr opening. The burr opening is located about a distal surface and side surface of the distal housing. The distal housing is configured to bend or pivot with respect to a proximal housing. The proximal housing comprises an auger hole configured to draw fluid and particulate matter for transport proximally along the length of the tissue removal system. A linkage assembly attaches a drive shaft of the tissue removal assembly to the rotatable burr element to permit rotation of the rotatable burr element when the distal housing is bent or pivoted. | 03-21-2013 |
20130072937 | INSTRUMENTS FOR MINI-INVASIVE SPINAL COLUMN SURGERY AND USES THEREOF - A pedicle perforator ( | 03-21-2013 |
20130079779 | DYNAMIC ORTHOSCOPIC SENSING - A dynamic sensing method and apparatus employs microelectromechanical systems (MEMS) and nanoelectromechanical (NEMS) surgical sensors for gathering and reporting surgical parameters pertaining to a drive mechanism of a surgical device, such as speed, rotation, torque and other characteristics of the surgical device. The surgical device employs or affixes the surgical sensor on or about a surgical device for detecting electromechanical characteristics during the surgical procedure. The surgical procedure disposes the medical device in the surgical field responsive to the drive mechanism of a shaver or other endoscopic instrument inserted in a surgical field defined by the surgical procedure. | 03-28-2013 |
20130090657 | COMPOUND OFFSET HANDLE - A method for preparing a proximal femoral canal of a patient during total hip replacement surgery uses an instrument having a handle, a shaping member including structure configured to shape bone, wherein the structure configured to shape bone comprises at least two cutting surfaces on opposite sides of the shaping member, and a connecting member connecting the handle and the shaping member, the connecting member having a plurality of transverse cross sections. The connecting member includes a dual offset including a first compound bend between the connecting member and the handle, wherein when following a direction from the connecting member to the handle, the first compound bend includes a bend in a posterior direction and a bend in a lateral direction. The connecting member also includes a second compound bend between the connecting member and the shaping member, the second compound bend in an anterior and a medial direction. | 04-11-2013 |
20130144292 | SAFE CUTTING HEADS AND SYSTEMS FOR FAST REMOVAL OF A TARGET TISSUE - A safe and efficient cutting heads for removing a target tissue from a subject during a surgical procedure are provided, the cutting heads composing a part of systems that address several problems, including clogging of state-of-the-art systems during removal of such tissue, for example. The target tissue can include any tissue that is accessible through a small surgical opening, for example, a joint tissue such as a meniscus or an intervertebral tissue, such as a nucleus pulposus. The devices can be referred to as orthopedic tissue removal devices having cutting heads associated with vacuum systems, making the systems useful in several procedures, including X-LIF (lateral approach to an intervertebral fusions) procedures, T-LIF (transforaminal approach to intervertebral fusions) procedures, P-LIF (posterior approach to intervertebral fusions), and a percutaneous, transforaminal approach (Kambin triangle access). | 06-06-2013 |
20130144293 | DEVICES AND METHODS FOR PERFORMING KNEE ARTHROPLASTY - Methods and devices for performing knee arthroplasty including but not limited to bicruciate retaining knee arthroplasty are provided. Methods and devices for preparing a proximal tibia for a tibial implant are also provided. These methods and devices, in at least some embodiments and uses, facilitate decreasing the complexity of knee arthroplasty procedures such as bicruciate retaining procedures while maintaining, if not improving on, the safety, accuracy and/or effectiveness of such procedures. | 06-06-2013 |
20130144294 | SLIDABLE SHEATHS FOR TISSUE REMOVAL DEVICES - A tissue removal device and method of using the device to remove tissue from a patient is provided. The tissue removal device comprises a tissue removal probe and a sheath slideable relative to the probe. The probe has a tissue removal element, and the sheath has a portion that exposes the tissue removal element. The sheath distal end may be pre-shaped to bend when slid distal to the probe. The probe may have a window through which the tissue removal element is exposed. | 06-06-2013 |
20130144295 | SINGLE-UNIT CUTTING HEAD SYSTEMS FOR SAFE REMOVAL OF NUCLEUS PULPOSIS TISSUE - Single-unit cutting head systems for safe removal of nucleus pulposis tissue are provided. The cutting heads compose a part of the systems that are provided to address several problems, including clogging of state-of-the-art systems during removal of such tissue, for example. The target tissue can include any tissue that is accessible through a small surgical opening, for example, a joint tissue such as a meniscus or an intervertebral tissue, such as a nucleus pulposus. The devices can be referred to as orthopedic tissue removal devices having cutting heads associated with vacuum systems, making the systems useful in several procedures, including X-LIF (lateral approach to an intervertebral fusions) procedures, T-LIF (transforaminal approach to intervertebral fusions) procedures, P-LIF (posterior approach to intervertebral fusions), and a percutaneous, transforaminal approach (Kambin triangle access). | 06-06-2013 |
20130150854 | GAS-OPERATED SURGICAL INSTRUMENT - A gas operated surgical instrument is provided. The instrument includes a pressurized gas connection for connection to a source of pressurized gas, a working piston adapted to be acted upon by a pressurized gas, an actuating element for actuating the instrument, and a regulating device coupled to the actuating element and to the working piston for regulating a feed force of the working piston. The regulating device is configured such that, for feed forces below a predetermined limit force, it defines a first work area in which the working piston is movable in the distal direction solely owing to a feed force applied with the actuating element, and that above the limit force the regulating device defines a second work area in which the working piston is movable in the distal direction by being acted upon by pressurized gas. | 06-13-2013 |
20130150855 | MULTIPLE PATHWAYS FOR SPINAL NERVE ROOT DECOMPRESSION FROM A SINGLE ACCESS POINT - A method of accessing target tissue adjacent to a spinal nerve of a patient includes the steps of accessing a spine location of the patient by entering the patient through the skin at an access location, inserting a flexible tissue modification device through the access location to the spine location, advancing a distal portion of the first flexible tissue modification device from the spine location to a first exit location, passing through the first exit location and out of the patient, advancing the first or a second flexible tissue modification device through the same access location to the spine location and to a second exit location, and passing through the second exit location and out of the patient. | 06-13-2013 |
20130150856 | TISSUE MODIFICATION DEVICES AND METHODS - Devices and methods for cutting tissue in a patient. In some embodiments, a bimanually controlled device may include a tissue modification region; one or more (e.g., two) flexible elongate length of cable that extend proximally to distally, a tissue modification region along a portion of the length of cable; and a guidewire coupler at the distal end of the device for attaching the distal end of the tissue modification device to the proximal end of a guidewire. Method of using these devices (including devices having two or more parallel length of cutting regions) to cut tissue (e.g., spinal lamina) are also described. | 06-13-2013 |
20130178853 | SURGICAL TOOL MANAGEMENT - The different illustrative embodiments provide a method, computer program product, and apparatus for managing a number of surgical tools. A determination is made whether a number of surgical tools is to be used in performing a procedure based on information. Responsive to a determination that the number of surgical tools is to be used in performing the procedure, a determination is made whether a signal received by the number of surgical tools indicates that the number of surgical tools is present within a predetermined distance of a location on the patient where the procedure is to be performed. Responsive to a determination that the signal received by the number of surgical tools indicates that the number of surgical tools is within the predetermined distance of the location on the patient where the procedure is to be performed, the number of surgical tools is enabled for use in performing the procedure. | 07-11-2013 |
20130178854 | CIRCULAR BONE TUNNELING DEVICE - An adjustable suture passer for use in arthroscopic surgery is disclosed. In a preferred embodiment, the adjustable suture passer comprises a head that describes a semicircular arc, an elongate body, a support element, and driving and control mechanisms. The head is adapted to accommodate a surgical needle and a guide wire. When the adjustable suture passer is activated, the needle is driven with sufficient force to penetrate bone. Use of the adjustable suture passer thus enables surgical attachment of soft tissue to bone without any necessity for a separate anchor. | 07-11-2013 |
20130197522 | ROTARY CUTTING TOOL WITH IMPROVED CUTTING AND REDUCED CLOGGING ON SOFT TISSUE AND THIN BONE - A surgical cutting instrument including two coaxially arranged tubular members. The first tubular member has a cutting tip and is co-axially disposed within the second tubular member, which in turn has a cutting window to expose the cutting tip to tissue and bone through the cutting window. Movement of the tubular members with respect to each other debrides soft tissue and thin bone presented to the cutting window. The second (outer) tubular member has one or more features which contribute to reduced clogging of the cutting tip as a whole. | 08-01-2013 |
20130204252 | SYSTEMS AND METHODS FOR PROVIDING A FEMORAL RESECTION BLOCK - Systems and methods for providing deeper knee flexion capabilities. In some instances, such systems and methods include a resection block for resectioning a popliteal surface of a femur. In some cases, the resection block is configured to be seated on a distal portion of a femur. Additionally, some implementations of the resection block define a first slot that is sized and shaped to receive a cutting device. In some implementations, the first slot is defined in the resection block such that the first slot substantially aligns with a first portion of a popliteal surface of the femur when the resection block is seated on the distal portion of the femur. Other implementations are also discussed. | 08-08-2013 |
20130211406 | ORTHOPAEDIC SURGICAL SAW ASSEMBLY FOR REMOVING AN IMPLANTED GLENOID COMPONENT AND METHOD OF USING THE SAME - A surgical instrument for removing an implanted glenoid component from the glenoid of a patient includes a protective cannula and a flexible wire saw. The flexible wire saw is positioned in the protective cannula such that both ends of the flexible wire saw extend out of one end of the protective cannula, with a portion of the middle section of the wire saw forming a loop that extends out of the other end of the protective cannula. Surgical methods for the use of such a surgical instrument are also disclosed. | 08-15-2013 |
20130226181 | SACROILIAC FUSION SYSTEM - An undercutting system for preparing a region between ilium and sacrum for sacroiliac fusion. The undercutting system includes an insertion apparatus and a cutting assembly. The insertion apparatus has an elongate shaft and a rotatable handle. The cutting assembly is operably attached to the insertion apparatus. Rotation of the handle with respect to the shaft causes the cutting assembly to move with respect to the shaft between a retracted configuration and an extended configuration. When in the extended configuration, at least a portion of the cutting assembly extends laterally from the shaft. | 08-29-2013 |
20130226182 | DELIVERY DEVICES AND SYSTEMS FOR TOOLS USED IN MEDICAL PROCEDURES - A device and method of delivering a medical tool which may be a memory resector, cutter, probe, or the like, generally flat surface including a memory blade compacted in a small diameter state which expands in a relaxed memory state is disclosed. Said delivery may include using a hollow sheath to pre-compact or preload a memory blade into a compact position, transferring said compacted memory blade into a cannula, and deploying said memory blade from the distal end of said cannula whereby the memory blade returns to its normal expanded memory state. | 08-29-2013 |
20130231668 | BONE TREATMENT SYSTEM - A system for removing bone growths and realigning bones includes a bone planer and an osteotomy guide. The bone planer includes a hollow sleeve that has an end embeddable within a bone. The bone planer also includes a rotary blade that is coupled to the hollow sleeve. The rotary blade is positioned within and rotatable relative to the hollow sleeve. The osteotomy guide includes a distal portion and a proximal portion. The distal and proximal portions are slidably coupled together. Each of the distal and proximal portions includes an upright that defines a cut guide surface. A space defined between the cut guide surfaces defines a cut path corresponding with a desired cut through the bone. | 09-05-2013 |
20130231669 | ORTHOPEDIC SUTURE PASSER AND METHOD - Instruments and techniques to pass a suture are presented. In one illustrative example, a suture passer includes a guide operable to guide the formation of a tunnel in a bone and guide passage of a suture through the tunnel so formed. | 09-05-2013 |
20130253517 | SYSTEM AND METHOD FOR CREATING A BORE AND IMPLANTING A BONE SCREW IN A VERTEBRA - A system and method for implanting a bone screw in bone which includes the use of a bone cutting tool with expanding bone cutting blades that create a bore in the bone of a desired shape and size. Then a bone screw is introduced into the bore and bone cement is positioned between the bone screw and the bore to fix the position of the bone screw relative to the bone. | 09-26-2013 |
20130261626 | ORTHOPAEDIC SURGICAL INSTRUMENT FOR REMOVING AN IMPLANTED HUMERAL STEM COMPONENT AND METHOD OF USING THE SAME - A surgical instrument for removing an implanted humeral stem component from the humerus of a patient includes an offset surgical tamp. A surgical method for the use of such a surgical instrument is also disclosed. | 10-03-2013 |
20130261627 | Utilizing Multiple Links to Achieve a Desired Tool Deflection Angle when Clearing an Epidural Space - An epidural space is cleared of fat and scar tissue in preparation for implantation of a medical lead by utilizing a clearing tool. The clearing tool has multiple links that allow the creation of a deflection angle. A wire passes through the links and once the links are positioned with the desired deflection angle, tension is placed on the wire to lock the links into the current position. The clearing tool is inserted through a window into the epidural space, and once the tension is applied to the wire, the clearing tool becomes rigid to allow advancement of the clearing tool within the epidural space. The clearing tool is then removed from the epidural space, and the medical lead is inserted through the window and cleared epidural space until reaching the target site. | 10-03-2013 |
20130274749 | SURGICAL MILLING CUTTER - A surgical milling cutter includes a milling cutter holder, a locking device, a locking seat, and a main machine. The milling cutter holder includes a fixing seat with a through hole. A finger guider with an L-type holder on a top end thereof is arranged at an upper part of the fixing seat. A distal end of a short side of the L-type holder is disposed with a downward projection, and a lowest point of the projection is lower than that of a cylindrical head when the milling cutter works normally. A bolt with a central through hole is fixed in a cavity of the finger guider. A pressing disk is arranged at the upper part of the fixing seat, and a nut is connected to the bolt through a hole in the pressing disk. | 10-17-2013 |
20130289565 | POWERED SURGICAL TOOL WITH A CONTROL MODULE IN A SEALED HOUSING, THE HOUSING HAVING ACTIVE SEALS FOR PROTECTING INTERNAL COMPONENTS FROM THE EFFECTS OF STERILIZATION - A powered surgical tool with a housing that contains a power generating unit such as a motor. A control module is disposed in a shell that is mounted in the housing. Conductive pins extend through the shell to provide electrical connections to the components within the shell. An active seals are disposed around the conductors and the inner walls of the shell that define the openings in which the shells are seated. Each active seal include an inner and outer skirt. A biasing component disposed between the skirts urges the inner skirt against the section of the conductive pin seated in the opening. The biasing component also urges the outer skirt against the adjacent opening-defining inner wall of the shell. The active seal functions as a barrier between the conductive pin and the adjacent inner wall of the shell. | 10-31-2013 |
20130289566 | COMPOUND OFFSET HANDLE - A method for preparing a proximal femoral canal of a patient during total hip replacement surgery uses an instrument having a handle, a shaping member including structure configured to shape bone, wherein the structure configured to shape bone comprises at least two cutting surfaces on opposite sides of the shaping member, and a connecting member connecting the handle and the shaping member, the connecting member having a plurality of transverse cross sections. The connecting member includes a dual offset including a first compound bend between the connecting member and the handle, wherein when following a direction from the connecting member to the handle, the first compound bend includes a bend in a posterior direction and a bend in a lateral direction. The connecting member also includes a second compound bend between the connecting member and the shaping member, the second compound bend in an anterior and a medial direction. | 10-31-2013 |
20130304068 | SURGICAL INSTRUMENT FOR A TECHNIQUE FOR ATTACHING BONE FRAGMENTS USING A CANNULATED SCREW - The present invention relates to a surgical instrument for a technique for attaching bone fragments using a cannulated screw, the implantation of which is guided by a pin. The instrument ( | 11-14-2013 |
20140012261 | Ultrasound Enhanced Selective Tissue Removal Method and Apparatus - Method and devices for cutting and removing a portion of a tissue composition which includes cancellous bone which is directly or indirectly impinging on a neural structure of the spine by creating channels through the tissue structure and then removing the detached tissue. | 01-09-2014 |
20140031825 | STABILIZING MICROFRACTURE DEVICE - A microfracture device comprising a guide shaft having a proximal end and a distal end and defining an internal passage between the proximal and distal ends, the distal end having a curved tip, a stabilizing portion disposed along an outer surface of the guide shaft, at least a portion of the stabilizing portion being wider than the guide shaft, and a flexible element movably positioned within the internal passage of the guide shaft, the flexible element having a distal tip configured for driving into bone. | 01-30-2014 |
20140039500 | SYSTEMS FOR ACCESSING NERVES WITHIN BONE - System and methods are shown having a tube-within-tube assembly with a deployable curved deflectable tube or cannula that deploys from a straight cannula or trocar. The curved cannula has pre-curved distal end to create an angular range of 0° to 180° when fully deployed from the straight trocar. The curve is configured such that the flexible element carrying a treatment device can navigate through the angular range of deployment of the curved cannula. The curved cannula allows the flexible element to navigate through a curve within bone without veering off towards an unintended direction. | 02-06-2014 |
20140039501 | METHOD AND APPARATUS FOR PROVIDING A SOFT-TISSUE TRANSPLANT TO A RECEIVING BONE - A method of providing a soft-tissue transplant to a receiving bone includes providing a transplant graft, comprising an elongated soft tissue, having first and second soft tissue ends longitudinally separated by a soft tissue body, and a bone block directly connected with the first soft tissue end. The bone block and soft tissue have been integrally formed as a unitary whole. An anchor cavity is machined in the receiving bone. The anchor cavity is shaped to substantially accept the bone block in a mating relationship. A majority of a volume of the bone block is placed in the anchor cavity. The bone block is fastened within the anchor cavity. | 02-06-2014 |
20140039502 | PATELLO-FEMORAL MILLING SYSTEM - An orthopedic system prepares a surface of an anatomical structure to receive an orthopedic prosthesis. A method for using the same is also disclosed. The orthopedic system includes a surgical instrument and a guide. The guide includes an anterior portion and a distal portion that is at least partially elevated relative to the anterior portion. The distal portion includes at least one track that is sized to receive the surgical instrument while preparing the surface of the anatomical structure. | 02-06-2014 |
20140046327 | Intraosseous Device For Inserting A Cannula Into A Bone - The invention relates to a device for the insertion of a cannula into a bone of a patient, which comprises: (a) an activator assembly for activating the device; (b) needle assembly which comprises a stylet and cannula; (c) barrel assembly for containing said stylet and cannula in a loaded state prior to the device activation; and (d) a setting assembly for adjusting the penetration depth of said cannula into the patient's bone. | 02-13-2014 |
20140046328 | ARTICULATING CAVITATION DEVICE - Provided is an articulating cavitation device configured to cut cancellous bone wholly within a vertebra. The articulating cavitation device includes an end effector, having an extendable cutting element, configured to articulate relative to an insertion tube. The end effector of the cavitation device may be articulated and rotated with the cutting element extended to form a tissue cavity about multiple axes. | 02-13-2014 |
20140052135 | Limited-Use Tool System And Method Of Reprocessing - A system of limited-use, battery-operated orthopedic power tools, having data collection modules for recording performance characteristics and data analysis modules with algorithms for performing analysis of performance characteristics and providing recommendations for preventative maintenance and repairs. | 02-20-2014 |
20140058393 | ROBOTIC ARTHROPLASTY SYSTEM INCLUDING NAVIGATION - A system for performing surgery on a joint. The system includes a robotic subsystem and a navigation subsystem. The navigation subsystem provides the robotic subsystem, during the surgery, with information relating to positions of the bones associated with the joint thereby enabling separate tracking of the bones when the bones move during the surgery. The robotic subsystem includes a base, a plurality of arms, and a cutting tool. The navigation subsystem may include a plurality of locating devices. | 02-27-2014 |
20140074094 | METHOD AND APPARATUS FOR PERFORMING ARTHROSCOPIC MICROFRACTURE SURGERY - A microfracture instrument for applying microfracture therapy to a bone, the microfracture instrument comprising:
| 03-13-2014 |
20140074095 | HUMERAL ROTATING BURR GUIDE - A bone cutting assembly. The bone cutting assembly includes a guide pin having a distal tip that may be securely inserted into a bone to define a cutting axis and a housing having a cam surface and features which allow the housing to be temporarily secured to the bone. The bone cutting assembly further includes a burr mounting arm which can be fitted on to the guide pin so that it can swing around the cutting axis and also translate up and down the guide pin. The burr mounting arm is configured to act against the cam surface as it is swung around the guide pin, so that the arm is caused to move up or down relative to the guide pin by the action of the cam surface. | 03-13-2014 |
20140074096 | DEFLECTABLE TISSUE DISRUPTION DEVICE - A tissue disruption device may comprise a deflectable elongated tissue disrupting element rotatable around its central axis, the central axis being a longitudinal axis when the disrupting element is in a straightened state. The tissue disrupting element may be rotatably anchored at a distal location and may be deflectable into a curved configuration. A rotary drive configured to rotate the tissue disrupting element around its central axis in the straightened state and in the curved configuration. An elongated element may be wound around and rigidly affixed to the tissue disrupting element. In some embodiments, the elongated element protrudes sufficiently radially from the tissue disrupting element that rotation of the tissue disrupting element generates an axial motion of disrupted tissue. In one preferred embodiment, the tissue disrupting element and/or elongated element comprises wire mesh. | 03-13-2014 |
20140074097 | FLEXIBLE TISSUE REMOVAL DEVICES AND METHODS - A device for removing tissue from a patient may include an elongate flexible body having a proximal end, a distal end, and a longitudinal axis therebetween, the elongate body having opposed first and second major surfaces with a lateral orientation across the axis, and a plurality of blades distributed laterally across the first major surface. Each blade may have a first end adjacent the first surface and extending to a cantilevered second end, a first edge between the first and second ends of the blade being oriented toward the distal end of the elongate body, a second edge between the first and second ends of the blade being oriented toward the proximal end of the elongate body, a height of the blade between its first and second ends, and an axial length of the blade between its first and second edges. | 03-13-2014 |
20140088596 | METHOD OF REPAIRING SACROILIAC FUSION - A method of repairing a prior sacroiliac fusion that was not effective at stabilizing a sacroiliac joint. The prior sacroiliac fusion used a first fastening device that extended between an ilium and a sacrum. At least one aperture is formed that at least partially extends through at least one of an ilium and a sacrum. An undercutting system is inserted at least partially into the aperture and is used to cut tissue between the ilium and the sacrum. A second fastening device is inserted into the first aperture to retain the ilium in a stationary position with respect to the sacrum. | 03-27-2014 |
20140088597 | METHOD OF INCREASING BONE DENSITY DURING SURGERY - The present invention concern a method for increasing bone density in a patient in need thereof which comprises the step of cutting the bones of said patient with a piezo ultrasonic surgical knife using a ultrasonic frequency of between 28 000 and 36 000 Hz. | 03-27-2014 |
20140088598 | METHOD OF PREPARING A FEMUR AND TIBIA IN KNEE ARTHROPLASTY - A method of preparing a femur and tibia in surgery on a knee joint using a navigation system and a robotic system. The navigation system tracks movement of the femur and tibia during the surgery. The navigation system may include a plurality of locating devices. The robotic system includes a base, a plurality of arms, and a cutting tool. | 03-27-2014 |
20140094806 | SURGICAL INSTRUMENT FOR PENETRATING REMOVING BONE - A surgical instrument whose cutting portion is a sharp miniature chisel or awl shape with a series of ridges along the course of the cutting tool. Each ridge has, on its proximal surface, a concave surface. Upon retraction, the instrument is pushed against the side of the defect, allowing the compacted bone on the walls to be captured in the concave recesses of the instrument. Existing instruments compact bone against the walls of the surgical defect rather than removing the compacted bone or tissue. The creation of a small surgically created wound in subchondral bone, absent the thickened compacted bone at the margins, responds with rapid vascular penetration and cellular migration and faster healing with an enhanced histologically confirmed maturing tissue. The surgical defect can be round or slit-like. The instrument allows a wide spectrum of angle of attack to create the surgical defect in the bone and/or articular surface. | 04-03-2014 |
20140114315 | TISSUE MODIFICATION DEVICES - Tissue modification devices, methods of using them, and devices, systems and methods of adapting them to form tissue modification devices. | 04-24-2014 |
20140128874 | SYSTEMS AND METHODS FOR ALTERING THE SURFACE OF A BONE - Systems and methods provide patient-specific cutting blocks that allow for bone resurfacing procedures, such as milling or burring, with simplified devices. A computer assisted surgical cutting block is produced having a surface region that matches with the surface region of a patient's bone to be altered. A cutting tool may be provided having a contoured bone mating surface and a contoured and patient-specific shaped cutting guide surface, which is located in a plane above the bone mating surface. One or more channels are provided in the cutting block, and as the surgeon moves the cutting tool (a milling or burring, for example) in the channels the tool cuts the bone both laterally along the surface of the bone and vertically into the bone according to the cutting guide surface and other preselected surface features of the cutting block. | 05-08-2014 |
20140135772 | EXTENDABLE CUTTING MEMBER - Provided is a minimally invasive cavity formation instrument for forming tissue cavities. The instrument includes an end effector having an aperture through which a cutting element is laterally extended and retracted. The cutting element may be retracted for minimally invasive insertion into a tissue region and extended to form a tissue cavity. The end effector of the instrument may be articulated or rotated to facilitate cavity formation. | 05-15-2014 |
20140155896 | Instrument and Method to Enhance Articular Cartilage Regeneration - A perforation instrument and method of using same, including a shaft capable of being inserted into a joint of a patient, having a longitudinal axis, and carrying at least one piercing member, each piercing member having a tip suitable to pierce sub-chondral bone. The instrument is capable of being altered between an exposed condition wherein the tip of the at least one piercing member is exposed and a safety condition wherein the tip of the at least one piercing member is not capable of piercing tissue. | 06-05-2014 |
20140155897 | SURGICAL INSTRUMENT - A surgical instrument for arthroscopic and surgical interventions, includes an elongate base body having an integrated drive unit via which a hollow-cylindrical drive element, which is rotatably mounted and arranged in an elongate, hollow outer shaft, is driven. The drive element is coupled at a distal end to a surgical cutting tool. The surgical instrument includes an exchangeable head as an adaptor. A disposable tube is arranged as part of a suctioning device. | 06-05-2014 |
20140155898 | PUNCTURE INSTRUMENT - The present invention is to provide a puncture instrument which has a simple configuration and which, when a pilot hole is formed in a vertebral pedicle, can accurately control the insertion position and direction of the puncture instrument into the vertebral pedicle. The puncture instrument is configured by including a puncture needle | 06-05-2014 |
20140171946 | SURGICAL INSTRUMENT AND METHOD - A surgical instrument comprises a first member including an inner surface defining a passageway and a lock. A second member is disposable within the first passageway. The second member comprises an inner surface defining a passageway and extending between a first end comprising a lock and a second end configured to engage tissue. A third member is disposable within the second passageway. The third member extends between a first end and a second end configured to penetrate tissue and form a cavity therein. The first lock is engageable with the second member to prevent relative movement of the second member and the second lock is engageable with the third member to prevent relative movement of the third member. Systems and methods are disclosed. | 06-19-2014 |
20140171947 | Systems and Methods for Cable-Based Tissue Removal - Systems and methods for treating disc herniation include surgical and endoscopic access and removal of disc tissue. The tissue removal devices that may be used include flexible elongate members, such as a cable, that may be inserted into a vertebral disc and rotated to pulverize the disc material and facilitate its removal. | 06-19-2014 |
20140194879 | GLENOID AUGMENT PREPARATION INSTRUMENT - A system for preparing a bone for receiving an articulating member is provided. The system includes a superior inferior component, a connection feature, a housing, at least one rotating member and a cutter. The superior inferior component is engaged to a structure. The connection feature is engaged with the superior inferior component. The housing is engaged with the connection feature. The rotating member is configured to rotate within the housing. The first cutter is engaged with the rotating member such that the rotation of the rotating member translates into rotation of the first cutter, wherein the first cutter rotates about an axis that is generally parallel to a natural surface of the bone. | 07-10-2014 |
20140207139 | Robotic Guided Femoral Head Reshaping - A method of performing hip surgery with a robotic guided system on a patient with femoral acetabular impingement can include touching at least one of proximal femur and acetabulum of the hip joint of the patient at a plurality of locations with a stylus coupled to a robotic arm associated with the robotic guided system and acquiring a plurality of corresponding data. A three-dimensional model of at least one of the patient's proximal femur and acetabulum is created based on the data acquired. A location and amount of bone to be removed is determined. Dynamic movement limits of a cutting tool associated with the robotic guided system is set based on the determination. The determined bone of at least one of the proximal femur and acetabulum is removed with the tool while being inhibited from moving the tool outside of the dynamic limit by the robotic guided system. | 07-24-2014 |
20140207140 | DYNAMIC ORTHOSCOPIC SENSING - A dynamic sensing method and apparatus employs microelectromechanical systems (MEMS) and nanoelectromechanical (NEMS) surgical sensors for gathering and reporting surgical parameters pertaining to a drive mechanism of a surgical device, such as speed, rotation, torque and other characteristics of the surgical device. The surgical device employs or affixes the surgical sensor on or about a surgical device for detecting electromechanical characteristics during the surgical procedure. The surgical procedure disposes the medical device in the surgical field responsive to the drive mechanism of a shaver or other endoscopic instrument inserted in a surgical field defined by the surgical procedure. | 07-24-2014 |
20140214038 | CIRCULAR BONE TUNNELING DEVICE EMPLOYING A STABILIZING ELEMENT - The present invention provides a circular bone tunneling device, comprising: a hollow elongate body comprising a hollow elongate body head, said hollow elongate body head defining a rigid circular arc, comprising a surgical needle; an extendable and retractable support element, reconfigurable from an extended configuration to a retracted configuration; said support element, in said extended configuration, adapted to be located along said path formed by said rigid circular arc; said support element and said hollow elongate body head are adapted to grasp said bone from at least two points along the circumference of said bone; a stabilizing element. | 07-31-2014 |
20140257293 | BONE PADS - Disclosed herein are systems and methods for bone preparation with designed areas having accurate tolerance profiles to enable improved initial fixation and stability for cementless implants and to improve long-term bone ingrowth/ongrowth to an implant. A method of preparing a bone surface to receive a prosthetic implant thereon having an articular surface and a bone contacting surface includes resecting the bone surface at a first location to create a first resected region having a first tolerance profile with a first cross-section, resecting the bone surface at a second location to create a second resected region having a second tolerance profile with a second cross-section less dense than the first cross-section, and contacting the bone contacting surface of the prosthetic implant with the first resected region. | 09-11-2014 |
20140276831 | Surgical Devices - An endoscopic surgical instrument for removing tissue or bone, the instrument comprising (1) a generally tubular component (2) a cutting device which is housed in the distal end member and part of which protrudes beyond the window in the distal member, and (3) a means for operating the cutting device. The tubular component comprises a distal end member containing a cutting device, a proximal member, and between the distal member and the proximal member a hollow, generally tubular intermediate member which deforms elastically when the angle between the distal member family proximal member is changed. The intermediate member can for example be composed of a nickel titanium alloy, and/or can be slotted, and/or can be in the form of an accordion, and/or be in the form of a coil | 09-18-2014 |
20140276832 | Surgical Device - An exemplary nucleus removal device may be used to remove a portion of nucleus pulposus from an intervertebral disc. A nucleus removal device may include a cannula, an access tool, a maceration tool, and an evacuation tool. The access cannula is inserted into an intervertebral body laterally, creating a fissure in the annular fibrosis. The access tool | 09-18-2014 |
20140276833 | SOFT TISSUE DISPLACER TOOL WITH INCLINED GROOVE AND METHODS - A soft tissue displacer tool can include a shaft that is elongate along a central axis, the shaft including a shaft body that defining a proximal end, a distal end that is spaced from the proximal end in a distal direction, and a central location that is disposed equidistantly between the proximal and distal ends. The shaft defines at least one inclined groove that 1) is inclined with respect to a plane that is normal to the central axis, and 2) revolves about the central axis, the groove terminating at a first end and a second end that is spaced from the first end along the distal direction, and the second end is spaced from the distal end. Soft tissue displacer tools are also described in which the shaft is cannulated. The soft tissue displacer tool can further include a guidance member, such as a K-wire, a trocar, or a bone punch. | 09-18-2014 |
20140276834 | METHODS AND DEVICES FOR REMOVING A SPINAL DISC - Devices and methods for removing a spinal disc are provided herein. Discectomy instruments are disclosed that can remove a spinal disc in a single-pass, i.e., without repeatedly inserting and removing the instrument from a patient. In an exemplary embodiment, the discectomy instrument includes a distal housing, at least one cutting blade, and a handle. When the distal housing is positioned adjacent to a spinal disc, a handle can be actuated to advance the cutting blade along a substantially arc-shaped path through the disc. In certain aspects, the path of the blade can correspond to the anatomy of the disc and to the approach used to access the spine. A second cutting blade can be advanced through the disc and can intersect with the arc-shaped path, forming a complete cut. The cut disc can be received in the distal housing and removed from the patient. | 09-18-2014 |
20140276835 | DECORTICATING SURGICAL INSTRUMENTS AND GUIDANCE SYSTEMS WITH TACTILE FEEDBACK - An instrument for selectively decorticating a bony surface is described. The instrument may have a decorticating implement having a truncated scoop on its medial face and an inclined blade disposed on its opposing lateral face. The blade edge may be coincident with the linear distal edge of the truncated scoop. Also described is a method for using such an instrument to selectively decorticate a bony surface in order to prepare it for service as a bone graft bed. | 09-18-2014 |
20140288560 | ROTARY CUTTING TOOL WITH IMPROVED CUTTING AND REDUCED CLOGGING ON SOFT TISSUE AND THIN BONE - A surgical cutting instrument including two coaxially arranged tubular members. The first tubular member has a cutting tip and is co-axially disposed within the second tubular member, which in turn has a cutting window to expose the cutting tip to tissue and bone through the cutting window. Movement of the tubular members with respect to each other debrides soft tissue and thin bone presented to the cutting window. The second (outer) tubular member has one or more features which contribute to reduced clogging of the cutting tip as a whole. | 09-25-2014 |
20140303623 | BONE CLEANING ASSEMBLY WITH A ROTATING CUTTING FLUTE THAT IS SURROUNDED BY A ROTATING SHAVING TUBE - A cleaning module for cleaning bone stock used in surgical procedures. The cleaning module includes a shell. The shell defines a void space to receive the bone stock. A cutter is located within the void space. A shaving tube is coaxially disposed about the cutter to move at different speeds and/or directions relative to the cutter. When actuated, the cutter rotates to clean the bone stock by cutting soft tissue from the bone stock. A tumble plate reorients the bone stock, while an arm moves across the tumble plate from a disengaged position to an engaged position to press the bone stock into the cutter through a window in the shaving tube. A drive assembly actuates the cutter, shaving tube, arm and tumble plate. | 10-09-2014 |
20140309640 | METHODS AND APPARATUS FOR PERFORMING KNEE ARTHROPLASTY - Methods and apparatus for performing knee arthroplasty, including, but not limited to, bicruciate retaining knee arthroplasty, are described herein. Methods and apparatus for preparing a distal femur for a femoral implant as well as methods and apparatus for preparing a proximal tibia for a tibial implant are described. These methods and apparatus, in at least some embodiments and uses, facilitate decreasing the complexity of knee arthroplasty procedures such as bicruciate retaining procedures, while maintaining, if not improving on, the safety, accuracy and/or effectiveness of such procedures. | 10-16-2014 |
20140316412 | Method of Performing a Minimally Invasive Procedure on a Hip Joint of a Patient to Relieve Femoral Acetabular Impingement - A method of performing a minimally invasive procedure on a hip joint of a patient to relieve a femoral acetabular impingement. An access device is placed through skin of the patient to provide minimally invasive access to a target volume of material that creates the femoral acetabular impingement. A cutting accessory is placed into the access device to remove material and relieve the femoral acetabular impingement. A tracking and control system establishes a virtual boundary that defines the target volume of material that creates the femoral acetabular impingement, tracks a position of the cutting accessory relative to the virtual boundary, and controls movement of the cutting accessory so that cutting is substantially maintained within the virtual boundary. | 10-23-2014 |
20140324049 | Methods and Devices for Cutting and Removing Tissue from a Body - Methods and devices are provided for cutting and removing tissue from a body. In one exemplary embodiment, a surgical device is provided having a suction shaft and a cutting assembly. The suction shaft can have an inner passageway configured to receive tissue. The cutting assembly can include an outer shaft having at least one opening formed in a sidewall thereof configured to receive tissue. The cutting assembly can be configured to mate with the suction shaft, and it can include a cutting element configured to move relative to the opening to cut tissue disposed through the opening. Suction can be applied to cause the cut tissue to flow proximally through the suction shaft and away from the cutting assembly. | 10-30-2014 |
20140336652 | Spinal Implant, Instrument for Preparation and Method of Use - The present disclosure relates to the field of spine disc implants. Exemplary embodiments of the disclosed spinal disc implants advantageously and ultimately provide fusion with the body of the vertebra and stabilization of the spine in an anatomically correct position, e.g., in cervical, thoracic and/or lumbar regions. More particularly, the present disclosure is directed to a disc implant that addresses and overcomes the shortcomings of the prior implants by providing first and second inter-vertebral elements that are movably coupled relative to each other and are adapted to permit bone in-growth over time. Thus, the disclosed spinal disc implants permit relative movement between the first and second inter-vertebral elements upon implantation and after the patient is mobilized—thereby permitting the implant to assume a desired position based on the specific and unique spinal balance of the patient in an initial post-implantation period—but then the first and second inter-vertebral elements become fixed relative to each other (i.e., fused). The present disclosure also provides advantageous instrumentation and associated methods for positioning a spine disc implant in a desired anatomical location. | 11-13-2014 |
20140358145 | DEVICES AND METHODS FOR TREATING BONE TISSUE - The present disclosure relates to devices and methods for creating channels within bone. One method for treating bone generally includes traversing an elongated member through cancellous bone of a vertebral body along a first generally non-linear path and then retracting the elongated member, thereby leaving a generally non-linear channel. The elongated member then is traversed through the cancellous bone along a second generally non-linear path, which second path does not completely coincide with the first path and then retracted along the second generally nonlinear path, thereby leaving a second generally non-linear channel. Optionally, bone filler material is deployed into the channels. | 12-04-2014 |
20140364854 | Disposable cartilage cutter - A medical cutting device for producing thin cartilage disks has a device body with a first holding device with a first working section having a first recess disposed on a top side of the device body such that the first recess is entirely or partially enclosed by a first delimiting ridge and, a connecting section that is directly, rigidly adjoined by the first working section and a cover with a counterpart section to the connecting section that is directly, rigidly adjoined by a first pressure section, which comprises a central, first pressure plate that is resiliently held in the first pressure section and, in an operating state for producing thin cartilage disks, is disposed opposite the first recess, which is entirely or partially enclosed by the first delimiting ridge. | 12-11-2014 |
20140371750 | FEMORAL EXPLANT DEVICE - An apparatus for removal of a femoral implant may include a handle portion and a cutting blade opposite the handle portion. The cutting blade may include a cutting edge, wherein the cutting edge includes a non-linear shape to substantially match at least a portion of a profile of the femoral implant to be removed. | 12-18-2014 |
20150045795 | ARTHROSCOPIC SURGICAL DEVICE - An arthroscopic bone tunneling and suturing device including a bone-engaging needle driving assembly including a bone-engaging needle and being adapted for arthroscopic insertion into engagement with a patient's bone at a first bone location through an arthroscopic incision and for driving the needle forwardly along a generally arcuate tunneling path through the bone at least to a second bone location and a bone-engaging pin driving assembly arranged for operative engagement with the bone-engaging needle driving assembly and being adapted for arthroscopic insertion into engagement with a patient's bone at a third bone location through the arthroscopic incision. | 02-12-2015 |
20150045796 | METHOD AND APPARATUS FOR PROVIDING A RELATIVE LOCATION INDICATION DURING A SURGICAL PROCEDURE - An orthopedic guidewire includes an elongate guidewire body having longitudinally spaced proximal and distal guidewire ends. An engaging feature is located at the distal guidewire end and is configured to selectively engage a bone surface. At least one of a variable diameter and a variable stiffness are along a portion of the guidewire body spaced apart from the engaging feature. A method of providing a relative location indication during a surgical procedure utilizing the orthopedic guidewire is also included. | 02-12-2015 |
20150066030 | DRILL WITH DEPTH MEASUREMENT SYSTEM AND LIGHTEMITTER - A measurement system and method for determining a depth of penetration of a working portion of a surgical instrument (e.g., a rotating drill bit in a bore). A first sensor outputs a first signal representative of a displacement of the leading edge of the drill bit in the bore. A second sensor outputs a second signal representative of a force applied to the leading edge of the drill bit. A processor outputs a third signal representative of the depth of penetration of the leading edge of the drill bit when the leading edge of the drill bit passes from a first medium having a first density to a second medium having a second density. The third signal is based on the first and second signals. | 03-05-2015 |
20150066031 | DISTANCE INTERBODY DEVICE FOR INTRODUCING A BIOMATERIAL TO A VERTEBRAL BODY AND A METHOD OF ITS USE - A distance interbody device for introducing a biomaterial to a vertebral body includes a shaped body and a dispense mechanism operable to dispense biomaterial. The shaped body includes a top side, a bottom side, and a lateral wall forming a peripheral wall that extends between the top and bottom sides. The shaped body is provided with at least one through channel and at least one anchoring element. The through channel includes an internal reservoir for the biomaterial. The through channel passes through the anchoring element to at least one outlet opening located in the at least one anchoring element. | 03-05-2015 |
20150066032 | BONE RESECTOR - A bone resector tool comprises an ultrasonic transducer, typically generating longitudinal mode vibrations at around 40 kHz, and having an elongate blade portion mounted thereto. The transducer and blade portion are mounted to a rotatably-drivable converter element. Rotation of the converter element produces reciprocal longitudinal motion of the transducer and blade portion. A counterweight is also mounted to the converter element, moving exactly out of phase with the transducer and blade portion, such that a centre of mass of the whole system is stationary, reducing vibration of the tool in a user's hand. The peak velocity due to the ultrasonic vibrations of a distal tip of the blade portion is up to seven times greater than its peak velocity due to the reciprocal longitudinal motion. This permits rapid, low-effort cutting of bone with easy removal of cut debris and minimal consequent necrosis. | 03-05-2015 |
20150066033 | METHOD AND APPARATUS FOR PERFORMING MINIMALLY INVASIVE ARTHROSCOPIC PROCEDURES - A surgical device capable of interconnecting to an external motorized hand pieces, bending a distal end segment, rotating a window element positioned distal to the distal end segment and rotating independently of it, and actuating a cutting element positioned within the outer window element and rotating independently of it. | 03-05-2015 |
20150080896 | ANTI-CLOGGING DEVICE FOR A VACUUM-ASSISTED, TISSUE REMOVAL SYSTEM - An anti-clogging device for a vacuum-assisted tissue removal system is provided. The device includes a tissue-separation chamber in a close proximity to (i) a cutting head operated by a physician and (ii) the physician for a filling and emptying by the physician during a tissue removal procedure, the cutting head and the tissue separation chamber in an operable communications with the suction assembly. The tissue separation chamber has an entry port in an operable communication with the cutting head for the entry of an excised tissue into the chamber, the excised tissue having a solid component and a liquid component; a baffle to separate the liquid component from the solid component; and, an exit port for the exit of liquid component out of the chamber. The tissue can include any tissue accessible through a small surgical opening, such as a nucleus pulposus tissue removed during a discectomy procedure. | 03-19-2015 |
20150088137 | ULTRASONIC SURGICAL INSTRUMENT WITH DUAL END EFFECTOR - An ultrasonic surgical instrument includes at least two tools each having a respective operating head with an operative surface or edge. At least one source of ultrasonic mechanical vibratory energy is provided which produces at least two vibration modes out of phase with one another. The tools are each connected to the source of ultrasonic mechanical vibratory energy for enabling transmission of a respective one of the vibration modes into the respective tool so that the tools are driven out of phase with one another. | 03-26-2015 |
20150094723 | ULTRASONIC SURGICAL APPARATUS WITH POWER REDUCTION - An ultrasonic surgical includes a probe with an operative edge or surface at a distal end, an electromechanical transducer connected to the probe, and an activation circuit connected to the transducer for supplying thereto an electrical waveform having an ultrasonic frequency and an amplitude. The activation circuit includes a signal generator and further includes a power reduction circuit operatively connected to the signal generator for inducing the signal generator to automatically reduce the amplitude of the waveform upon a sensing by the power reduction circuit of reduced load on the probe. | 04-02-2015 |
20150094724 | JOINT SCRUBBER - A medical device suitable for scrubbing a joint, such as a distal interphalangeal (DIP) joint, is disclosed. The device may include a first end, a second end, and a space there between, and a joint scrubber having a first end coupled to the second end of the arm. The joint scrubber is configured to break apart or loosen material in a joint in order to facilitate the insertion of another device, such as a bone screw. | 04-02-2015 |
20150141996 | APPARATUS AND METHODS FOR BONE ACCESS AND CAVITY PREPARATION - Apparatus and methods for preparing the interior of a bone for therapy. The therapy may include therapy for a bone fracture. The apparatus and methods may involve orienting a surgical instrument for proper deployment in the interior of the bone. An instrument guide may be positioned and retained against translation along, and rotation about one or more of three substantially orthogonal axes. Apparatus placed exterior to the bone may register the guide to a region inside the bone that is designated for preparation or treatment. One or more broaching members may be used to prepare the region for treatment. A broaching member may be expandable inside the bone. A broaching member may be flexible such that it broaches bone having a relatively lower density and it leaves bone having a relatively higher density substantially intact. | 05-21-2015 |
20150297246 | SYSTEMS AND METHODS FOR CREATING CURVED PATHS THROUGH BONE AND MODULATING NERVES WITHIN THE BONE - System and methods for channeling a path into bone include a trocar having a proximal end, distal end and a central channel disposed along a central axis of the trocar. The trocar includes a distal opening at or near the distal end of the trocar. The system includes a curved cannula sized to be received in the central channel, and having a curved distal end configured to be extended laterally outward from the distal opening in a curved path extending away from the trocar. The curved cannula has a central passageway having a diameter configured allow a probe to be delivered through the central passageway to a location beyond the curved path. | 10-22-2015 |
20150305766 | CUTTING APPARATUS OF A CUTTING SYSTEM USING A ROBOT - The present invention aims to provide a cutting apparatus of a cutting system using a robot for reducing the damage and interference of a bone, a muscle and a surrounding soft tissue on operating and improving durability by minimizing the diameter of the sleeve while improving the rigidity against the bending and not generating the chattering of the shaft. | 10-29-2015 |
20150313609 | SYSTEM FOR PARTIALLY CUTTING A BONE - The invention concerns a system for partially cutting a bone, comprising a device for guiding a cutting tool. According to the invention, the device comprises: an upper face forming a mechanical stop for a first part of the cutting tool, the upper face being non-cutting and thicker than the blade, so as to limit the insertion of the blade into said bone in order to partially cut said bone, the upper stop face having a profile that is a homothety of the edge profile of said hinge, the guide device having a pre-defined range to ensure the steering of the blade of the cutting tool in a pre-defined direction of partial cutting of the bone, a second part that fastens to the bone and a first fastening means for fastening the guide device to the second part and a means for adjusting the orientation of the guide device relative to the second part. | 11-05-2015 |
20150335357 | BONE SCREW ASSEMBLY - Spine stabilization systems are disclosed. One spine stabilization system includes a bone screw assembly including a coupling member and a screw member received therein. The coupling member includes a pair of extension elements that form a pair of slots. The slots include bottom angled surfaces. An angled wedge member having a substantially horizontal bottom surface and an angled top surface is delivered on top of the screw member within the coupling member. A rod member can be delivered down the coupling member such that it rests on the slots and on top of the angled wedge member. A locking assembly comprising a cap member and set screw can be delivered down the coupling member to secure the rod member to the coupling member. The rod member and locking assembly components can be delivered through a single incision and at a same or similar angle as the screw member during surgery. | 11-26-2015 |
20150351818 | Surgical Instruments for cutting elongated elements and methods of use - A surgical instrument for cutting an elongated element. The surgical instrument may have a compact size for use in-situ during a surgical procedure. The surgical instrument is also configured to provide the necessary mechanical advantage to cut the elongated element. The surgical instrument may include first and second arms that are pivotally connected together at a pivot. The arms include blades positioned at or towards distal ends of the arms that act together to cut the elongated element. A force mechanism is positioned between the arms to pivot the arms between an open orientation and a closed cutting orientation. The force mechanism may be positioned directly between the arms to reduce the overall size of the instrument. | 12-10-2015 |
20150359544 | INSTRUMENT FOR THE REMOVAL OF A BONE INSERT AND CORRESPONDING METHOD - The invention relates to an instrument and a corresponding surgical method for the removal of a bone insert, for example for a shoulder prosthesis. The instrument is of the type comprising:
| 12-17-2015 |
20160022279 | MICROFRACTURE APPARATUSES AND METHODS - Embodiments of apparatuses and methods for microfracture (e.g., forming a plurality of microfractures in a bone to encourage cartilage regeneration). | 01-28-2016 |
20160022283 | SELECTIVE SPINAL TISSUE REMOVAL APPARATUS AND METHOD - Method and devices for cutting and removing a portion of a tissue composition which includes cancellous bone which is directly or indirectly impinging on a neural structure of the spine by creating channels through the tissue structure and then removing the detached tissue. | 01-28-2016 |
20160038195 | RETRACTION DEVICES, SYSTEMS, AND METHODS FOR MINIMALLY INVASIVE SPINAL SURGERY - A system for mounting a retractor tube to a spine without a guidewire is disclosed. The system includes an awl, a first dilator configured to be advanced over the awl, a retractor tube configured to be advanced over the first dilator, wherein an outer surface of the retractor tube defines a plurality of channels, and a plurality of pins adapted to be received within the plurality of channels, wherein the plurality of pins secure the retractor tube to the at least one vertebral body of the spine. A method for selectively mounting a retractor tube to a spine without a guidewire is also disclosed. | 02-11-2016 |
20160045268 | SURGICAL PLAN OPTIONS FOR ROBOTIC MACHINING - A method of performing surgery on a bone includes providing a robotically controlled bone preparation system and creating at least one hole in the bone with the robotically controlled bone preparation system prior to machining the bone. The bone hole aligns with a hole or a post in a guide for a manual cutting tool. If the robot fails during surgery, or if the surgeon does not wish to complete the procedure with the robot, the guide is attached to the bone after aligning the guide hole with the bone hole. The surgery is completed manually after the guide is attached to the bone, and the robot is not used after the guide is attached to the bone. | 02-18-2016 |
20160066926 | APPARATUS AND METHODS FOR BONE ACCESS AND CAVITY PREPARATION - Apparatus and methods for preparing the interior of a bone for therapy. The therapy may include therapy for a bone fracture. The apparatus and methods may involve orienting a surgical instrument for proper deployment in the interior of the bone. An instrument guide may be positioned and retained against translation along, and rotation about one or more of three substantially orthogonal axes. Apparatus placed exterior to the bone may register the guide to a region inside the bone that is designated for preparation or treatment. One or more broaching members may be used to prepare the region for treatment. A broaching member may be expandable inside the bone. A broaching member may be flexible such that it broaches bone having a relatively lower density and it leaves bone having a relatively higher density substantially intact. | 03-10-2016 |
20160081699 | HIGH-SPEED POWERED HAND TOOL WITH IMPROVED MOTOR COOLING - A surgical device comprising: a handpiece comprising a distal end and a proximal end; a chamber formed within the handpiece; a motor disposed within the chamber; an exhaust port in fluid communication with the chamber, the exhaust port being configured for attachment to a suction source so as to apply suction to the chamber; and at least one inlet port in fluid communication with the chamber, the at least one inlet port being configured to allow ambient air to be drawn into the chamber. | 03-24-2016 |
20160089154 | SURGICAL TOOL WITH FEEDBACK - Surgical feedback systems and methods include a surgical tool having a functional tool and a handle for manipulation by a surgeon in a surgical environment. At least one sensor connected to the surgical tool generates a signal indicative of an acoustic signal and/or a vibration signal generated by the functional tool. The signal may be modified and supplied to an output device. | 03-31-2016 |
20160095607 | Methods and Devices for Forming Holes In Bone to Stimulate Bone Growth - Methods and devices are provided for forming holes in bone to stimulate bone growth. In one exemplary embodiment, a surgical instrument set can include a driver having a first mating element, and a bone pick have a second mating element configured to releas ably mate with the first mating element at any of a plurality of angular orientations. When releasably mated together, the driver and the bone pick can be configured to be adjustably positioned relative to one another with three degrees of freedom, e.g., pitch, yaw, and roll. The bone pick can include a piercing tip configured to form a hole in a bone, such as in microfracture. When the driver and the bone pick are releasably mated together, the driver can be configured to be struck, impacted, or otherwise manipulated to drive the piercing tip into the bone. | 04-07-2016 |
20160106443 | Device To Aid In The Deployment Of A Shape Memory Instrument - A system is configured to create or enlarge a cavity in a tissue body and generally includes a cannula, a friction reduction covering, and a cavity creation member. The cavity creation member includes an end portion that is configured to transition between a first shape and a second shape that is different from the first shape. In operation, retracting the friction reduction covering relative to end portion causes the end portion to change shape from the first shape to the second shape such that the cavity creation member is configured to create or enlarge a cavity in the tissue body as the second end portion exits the friction reduction member. | 04-21-2016 |
20160113779 | HARVESTING BONE GRAFT MATERIAL FOR USE IN SPINAL AND OTHER BONE FUSION SURGERIES - A technique for harvesting bone graft material for spinal and other fusion surgeries. In the disclosed embodiment, a bone cutting blade is placed in a disc space between two vertebrae to be fused. The blade cuts into the vertebrae and forms solid segments of autologous bone inside each vertebra. Each bone segment is urged out of its associated vertebra until a first portion of the segment enters the opposite vertebra, an intermediate portion spans the disc space, and a second portion remains in the associated vertebra. Each segment thus forms a strut graft to promote a healthy and permanent fusion. In another embodiment, a wire is placed in the disc space and rotated to cut grooves in the vertebrae, causing a slurry of morselized cortical and cancellous bone to ooze into a cage that is placed in the disc space. The slurry heals to fuse the vertebrae solidly and permanently. | 04-28-2016 |
20160120556 | Drilling/Milling Guide and Keel Cut Preparation System - An instrument system, associated milling or drilling guide and method include use of a trial implant of a size corresponding to an actual implant for the intervertebral space, with a milling guide mounted on the trial implant. The system also includes a cutting tool which is used to form a cutout in an adjacent vertebra. | 05-05-2016 |
20160135834 | DEVICES AND METHODS FOR TISSUE ACCESS - Methods and apparatus are provided for selective surgical removal of tissue, e.g., for enlargement of diseased spinal structures, such as impinged lateral recesses and pathologically narrowed neural foramen. In some embodiments, a surgical tissue removal device includes a flexible elongate body that is adapted to conform with the target anatomy and a guidewire connector at the distal end region of the flexible elongate body configured to removably connect to the end of a guidewire so that the guidewire and flexible elongate body can be pulled distally. The body may have at least one blade edge, and the flexible elongate body may be a thin, flat, ribbon shaped flexible body that comprises a profile having a width that is substantially greater than a height. | 05-19-2016 |
20160143648 | PROBE, TREATMENT DEVICE, AND TREATMENT SYSTEM - A probe which is configured to treat a bone by ultrasonic vibration, includes: a treatment section which is arranged on a distal end side of a vibration transmitting section, to which the ultrasonic vibration is transmitted through the vibration transmitting section. The treatment section includes: a cutting blade that includes a treatment surface, and cuts and treats the bone by the treatment surface; a protrusion that is provided at a position different from the cutting blade, protrudes in a direction different from the protruding direction of the treatment surface of the cutting blade, marks the bone, and defines a position of the bone to be treated with the cutting blade; and a regulation surface that is formed at a position where the protrusion is provided, and regulates entrance of the protrusion into the bone beyond a predetermined level. | 05-26-2016 |
20160166263 | SURGICAL RIB CUTTER AND METHODS THEREOF | 06-16-2016 |
20160166406 | SURGICAL TECHNIQUE AND INSTRUMENTATION FOR MINIMAL INCISION HIP ARTHROPLASTY SURGERY | 06-16-2016 |
20160183961 | SYSTEM AND METHOD FOR TREATING CONNECTIVE TISSUE - A method and system of treating connective tissue to increase flexibility of the connective tissue or decrease tension in the connective tissue includes forming perforations in the connective tissue to at least 90% of the depth or thickness of the connective tissue and maintaining the perforations in the connective tissue. The method alters the tissue to enhance the fundamental mechanisms involved the immunology, biochemistry, and molecular genetics of the metabolism of the connective tissue. | 06-30-2016 |
20160192947 | MICROFRACTURE APPARATUSES AND METHODS | 07-07-2016 |
20160199073 | TROCAR DEVICE WITH DETACHABLE HANDLE AND ASSOCIATED METHODS | 07-14-2016 |
20160199200 | METHODS AND DEVICES FOR REMOVING A SPINAL DISC | 07-14-2016 |
20180021048 | NERVE MODULATION SYSTEMS | 01-25-2018 |
20190142437 | DIRECTION ADJUSTABLE SURGICAL TISSUE REMOVAL DEVICE | 05-16-2019 |
20190142438 | SURGICAL MILLING CUTTER | 05-16-2019 |