Entries |
Document | Title | Date |
20080215052 | Allograft implant workstation - The invention is directed toward a portable surgical workstation for implant formation comprising a base with a central planar section with integral handles extending from the central planar section at an angle to the plane of the central planar section. The central planar section has a plurality of tracks and a throughgoing slot with a recessed stepped surrounding surface formed on a bottom surface of the central planar section. A vise assembly mounted to the base and comprises a fixed jaw member secured to the base, a traveling jaw member moveably mounted to the base and a fixed drive housing mounted to the base. The traveling jaw member has a plurality of rail members adapted to be slidably mounted in the central planar section tracks. The fixed drive housing has a threaded longitudinal bore which receives a threaded drive shaft, one end of the drive shaft being secured in the traveling jaw member to preclude axial movement of the drive shaft within the traveling jaw member while retaining rotational movement to transport the traveling jaw members toward and away from the fixed jaw member. | 09-04-2008 |
20080221569 | Orthopaedic instrumentation with integral load-bearing members - An orthopaedic instrument includes a metallic load-bearing member and a non-metallic support structure formed integrally with the load-bearing member such that the load-bearing member is permanently attached to the non-metallic support structure. | 09-11-2008 |
20080221570 | Non-imaging tracking tools and method for hip replacement surgery - The invention includes a method of determining a surgical patient's pelvic position and inputting that position into a computer via a tracking system, suitable for use in navigating partial or total hip replacement surgery. The patient is first aligned with anatomical reference points in relation to corresponding locating features on a patient positioner. The positions of index features on the patient positioner are then acquired via a tracking system. Based on the positions of the index features and their known relationship to the locating features, the locations of the anatomical reference features are calculated and a pelvic plane is defined therefrom. The invention also includes a surgical tool for mounting a trackable target to a human bone, suitable for fixation to a human femur. This tool includes a removable bone clamp and a releasable coupling member, integrated with said removable bone clamp. | 09-11-2008 |
20080262494 | SPINAL TOOL - A spinal tool is disclosed and can include a first arm and a second arm. A rack can extend from the first arm. Further, a pinion gear can be coupled to the second arm. The pinion gear can engage the rack. The spinal tool can also include a worm gear engaged with the pinion gear. | 10-23-2008 |
20080269740 | CANNULA CONFIGURED TO DELIVER TEST STIMULATION - The disclosure is directed to an implant tool and cannula used to facilitate the implantation of a medical device into a patient. The implant tool includes a housing that is held by a user and a needle attached to the housing. The cannula may be positioned over the needle and delivered to a target tissue within the patient. The cannula includes an electrode at a distal portion to deliver test stimulation to confirm the location of the target site or placement of the implant tool relative to the target site before removing the needle of the implant tool. In this manner, the cannula may be repositioned within the patient until the position of the implant tool and cannula relative to the target site is verified with the test stimulation. | 10-30-2008 |
20080300595 | Encasement prevention barrier for use in anterior lumbar surgery - A flexible piece of barrier material for use in preventing or minimizing adhesions and fibrous attachments following anterior lumbar surgery. In one embodiment, the barrier structure comprises a multiple level device shaped as a generally wider tongue to function as a barrier at or above the L4-5 level, and a generally narrower lower section to function as a barrier at or below the L5-S1 level. The structure also can include a recessed waist section along an edge opposite the tongue to allow for easier placement in the L4-5 area. In another embodiment, a single level barrier for use at or above L4-5 is shaped as a tongue with a tapered outer extension to allow the barrier to extend laterally onto the psoas muscle to provide for identification of the barrier upon reoperation. | 12-04-2008 |
20080312654 | Method for Marking Orthopedic Implant - A novel process for marking implants and instruments is provided by masking a portion of the implant or instrument and then applying a treatment to alter the appearance of the unmasked area. The process may be used to mark surfaces not suitable for laser or chemical etching. | 12-18-2008 |
20090012521 | Augmentation delivery device - The tissue augment sheet delivery system includes a tube funnel adapter and a tissue augment sheet delivery instrument. The tube funnel adapter includes a oval/conical shaped funnel. The tissue augment sheet delivery instrument includes a handle. A cylindrical tube is connected to the handle. A wire is inserted in the tube. The wire is formed in a large loop with small loops formed in the large loop. A tissue augment sheet is attached to one side of the large loop using a monofilament. In use, the tube funnel adapter is inserted in body. The tissue augment sheet is placed in mouth of the oval/conical shaped funnel and gently moved down. While moving down, the tissue augment sheet conforms to the internal diameter of the tube funnel adapter. The handle is withdrawn to remove the large loop from the body leaving the tissue augment sheet in body. | 01-08-2009 |
20090024127 | RADIOLUCENT REFERENCE FOR COMPUTER-ASSISTED SURGERY - A radiolucent fastening device for fastening a reference device to a body for computer-assisted surgery, wherein a part of the fastening device is made from an unsubstituted carbon fiber reinforced polyether compound, a monosubstituted carbon fiber reinforced polyether compound or a multisubstituted carbon fiber reinforced polyether compound. | 01-22-2009 |
20090048597 | METHOD OF DETERMINING A CONTOUR OF AN ANATOMICAL STRUCTURE AND SELECTING AN ORTHOPAEDIC IMPLANT TO REPLICATE THE ANATOMICAL STRUCTURE - A computer assisted surgery (CAS) system and method for preparing an anatomical structure to receive an orthopaedic implant. The method generally involves the steps of determining a contour of the anatomical structure by using the CAS system to acquire a plurality of points on the anatomical structure and provide a best fit approximation of the anatomical structure based on the plurality of points, selecting an implant to replicate the anatomical structure, and preparing the anatomical structure to receive the implant. | 02-19-2009 |
20090076507 | FEMORAL HEAD CENTER LOCATING APPARATUS AND METHOD - A femoral head center locating mechanism and method for using same. The femoral head center locating mechanism may include a frame and a plurality of lasers which emit laser beams which intersect to identify a reference point relative to a center of a femoral head. | 03-19-2009 |
20090171355 | Reconstruction of Anterior Cruciate Ligaments - Apparatus for locating an attachment position for a reconstructed anterior cruciate ligament on an attachment surface of a bone comprises locating means ( | 07-02-2009 |
20090177195 | Alignable Tools for Preparing an Intervertebral Site for Implanting a Prosthetic Intervertebral Disc and a Method for Using Those Tools - We describe various alignable tools, in particular, trials and chisels, that may be used in preparing an intervertebral site in a spine, the site being suitable for placement of a prosthetic intervertebral disc as a replacement for a natural disc in that spine. We also describe methods of using those tools. | 07-09-2009 |
20090177196 | Medical Instrument For Rod Positioning - Apparatus, systems and methods relating to manipulation, e.g. pivoting, of a rod-shaped element using a rod positioning assembly are disclosed. A rod-shaped element is initially gripped axially (relative to and) by a rod positioning assembly and then pivoted into a transverse orientation without pivoting the rod positioning assembly and/or releasing the rod-shaped element. Rod positioning assemblies include a handle element and a pair of jaw elements in communication therewith. The jaw elements are positioned distally relative to the handle element and the handle element is adapted to effect relative motion between the first and second jaw elements. The abutment faces of the jaw elements define a pair of axially aligned notches at or near the distal ends of the first and second jaw elements, a pair of traversely aligned central wells that define a circular opening that extends transversely across the jaw elements, and a pair of grooves that open up to a single transverse side of the jaw elements. | 07-09-2009 |
20090182334 | Method and Apparatus for Impacting Bone Material - An apparatus for impacting bone material comprises an impaction element and a guide element having a bore. The bore has a longitudinal axis. The impaction tool is connected to the guide element, and is provided at a predetermined distance to the bore in a direction substantially perpendicular to the longitudinal axis of the bore. A guide rod may be connected to a medical device and can be inserted into the bore. Thus, the apparatus may be guided into a cavity adjacent the medical device for impacting bone material inserted into the cavity. | 07-16-2009 |
20090192511 | Surgical instruments and instrument handle having support brace - Orthopedic procedures, such as total hip replacement and/or other surgical procedures, involve the retraction and distraction of bone and tissue in order to reduce prosthesis components, such as a femoral head prosthesis, into place during surgery and to perform other surgical techniques, such as reaming of the acetabulum. An instrument handle that allows for enhanced control of surgical instruments and other tools that involve the application of directional force includes a grip, an extension arm and a support brace that is configured to contact a user's forearm during a surgical procedure. A multiple-tool receptor may also be included that allows for the removable and interchangeable use of tools in connection with the instrument handle. The system described herein allows for deep distraction without angulation using larger muscles or even one's body. | 07-30-2009 |
20090222005 | BONE CREST EXPANDER-COMPACTER AND ASSOCIATED TOOLS - Motor-driven hone crest expander-compacter ( | 09-03-2009 |
20090275943 | ENDPLATE PREPARATION INSTRUMENT - An instrument for preparation of vertebral endplates and a method of preparing a surface of a vertebral endplate are described. The instrument includes a body having a frame, an endplate preparation member supported by the body, and a pivot point. A tilt axis is perpendicular to and intersects a sweep axis at the pivot point. The endplate preparation member is coupled to the frame and controllably pivotable in an arc about the first tilt axis to change a tilt of the endplate preparation member. The endplate preparation member is also controllably pivotable in an arc about the sweep axis while maintaining the tilt of the endplate preparation member. By sweeping the endplate preparation member at incrementally larger tilt angles, recesses in a vertebral endplate surface are gradually formed, which may allow greater precision and control of a depth of the recesses and reduce stress on the vertebral endplate, as opposed to more aggressive techniques. | 11-05-2009 |
20090292284 | FLEXIBLE SHAFT DRIVING ATTACHMENT FOR TOOLS - A flexible extension shaft comprises a flexible extension member having a length, and one end and an opposite end. A tool base connection member is secured to one end of the flexible extension member. A tool bit connection member is secured to the opposite end of the flexible extension member. A lighting unit is secured to the flexible extension shaft. | 11-26-2009 |
20100087818 | Method of Transferring Rotational Motion in an Articulating Surgical Instrument - An endoscopic surgical instrument includes an elongated shaft, which may be articulated to facilitate positioning of an end effector. The instrument accommodates reactionary forces associated with closing the end effector without substantial disruption to the position of the end effector. The instrument includes an elongated shaft housing generally defining distal and proximal shaft axes, and a torsion member extending through the shaft housing. The torsion member transmits rotational displacement from a handle portion of the instrument to the end effector to selectively move the end effector between open and closed configurations. The torsion member comprises a flexible shaft exhibiting a plurality of generally radial slots spaced longitudinally along a length of the flexible shaft. | 04-08-2010 |
20100152733 | UNIVERSAL COUPLER - A universal coupler for coupling multiple orthopedic instruments is disclosed. The universal coupler includes a body having a boss and an internal bore, a locking shaft having a first portion and a second portion, a trigger including a trigger bore, and a connection portion. The trigger is operable between a first position and a second position, where in the first position the first portion and boss are misaligned and in the second position the first portion and the boss are aligned. | 06-17-2010 |
20100249777 | DEVICE AND METHOD FOR DETERMINING FORCES OF A PATIENT'S JOINT - An orthopaedic surgical device for determining the joint force of a patient's joint includes a sensor housing and a handle. The sensor housing is shaped to be positioned in a patient's joint and includes a sensor array positioned therein and configured to generate sensor signals indicative of the joint force of the patient's joint. The handle includes a circuit positioned therein and configured to control a display located on the handle to provide a visual indication of the joint force of the patient's joint. The handle may be physically secured to the sensor housing or may be coupled thereto via a wire to facilitate communications between the sensor array and the circuit. | 09-30-2010 |
20100262142 | Gamma radiation sterilizable, reinforced polymer composition with improved color stability - Gamma radiation sterilizable, reinforced polymer composition (C) comprising:
| 10-14-2010 |
20100292693 | Spinal Marker System and Methods of Use - Temporary, radiographically opaque, bone markers having first and second penetration members that are concentric with one another and are configured to pierce bone are provided herein. Bone markers can non-exclusively be used to help verify the correct surgical site along the vertebrae, locate the vertical midline, and as a fixed point for aligning surgical instruments. Insertion and extraction devices for use with the bone markers are also provided herein. | 11-18-2010 |
20110087225 | ONE-WAY BEARING CABLE TENSIONING TOOL - An orthopedic tool having a one-way lock bearing and a one-way actuator bearing for tensioning surgical cables around a bone and a method for using the same. | 04-14-2011 |
20110098705 | Devices and Methods for Temporarily Retaining Spinal Rootlets within Dural Sac - Devices and methods for temporarily retaining spinal rootlets within a dural sac are provided. In this regard, a representative device includes: a handle operative to be grasped by a user; an arm extending outwardly from the handle; and moveable fins supported at a distal end of the arm, the fins being moveable between an unbiased position and a biased position; in the biased position, free ends of the fins having been moved toward each other such that an extent of the fins along a major axis is decreased relative to an extent of the fins along the major axis in the unbiased position. | 04-28-2011 |
20110112532 | WINDOWED FLEXOR TENDON SHEATH RETRACTOR & DILATOR - A surgical device and method used to assist in the surgical repair of damaged and/or severed tendons. In the present invention, the device is comprised of a distal conical member, having an inner and outer surface, a tapered tip, a rounded end, and windowed openings on either side of axial centerline passing through the inner and outer surfaces. In the same embodiment, the device is comprised of a proximal concave convex member with an inner and outer surface, a tapered tip, and a rounded end, tapering both in width and thickness to the tip. The present invention further discloses a method of passing a severed flexor tendon through the tendon sheathing to the repair site aiding in the passage of the severed tendon through the edges of the pulleys in the flexor tendon sheath, wherein the distal conical member of the device disclosed in the present invention is introduced into the edge of a flexor tendon sheath's pulley and a severed tendon end is passed along the inner surface of the conical member allowing the tendon to be reintroduced into the sheathing with minimal trauma. The present invention further discloses a method of dilation of the pulleys in the flexor tendon sheath, wherein the proximal concave convex member of the device disclosed in the present invention is introduced into the edge of a flexor tendon sheath's pulley to a desire depth and left in place until the desired amount of dilation is achieved the tendon is then introduced back into the sheathing utilizing the afore described method. | 05-12-2011 |
20120109126 | SURGICAL INSTRUMENT WITH CYCLOIDAL GEAR SYSTEM - A surgical instrument for applying a rotational force to a structural element during a surgical procedure. The instrument may be designed for increasing an input force to produce an enlarged output force adequate for fracturing an excess section of the elongated element from a remainder of the structural element. The instrument may include an input mechanism that receives an external rotational input force, a cycloidal gear system that multiples the input force, and an output mechanism that attaches to and delivers the multiplied rotational output force to the excess section of the structural element. The output mechanism may also be configured to capture the separated excess section. The instrument may include a housing and a handle for grasping and manipulating during the surgical procedure. | 05-03-2012 |
20120277743 | IMPLANT SYSTEM - The present invention relates to an implant system comprising implantable material in at least partially uncured form, contained in a closed casing, under vacuum and sterilised, and a closed bag containing the casing. The system is characterised in that at least 5% of the surface of the casing comprises sheet-like material having a thickness of 0.05-5 mm and having an original form, the sheet-like material being selected from the group consisting of metallic materials, polymers, bioceramic materials and composites thereof, provided that the material, once deformed from its original form to a changed form, is capable of maintaining that changed form unless subjected to external forces. | 11-01-2012 |
20130204247 | Ergonomic Handle for Surgical Instrument - A surgical instrument handle includes adaptations for improved ergonomics, such as broad, rounded hand-contacting surfaces and physiologic range of motion for instrument actuation. The handle may be mostly enclosed by the hand in use, and may be stabilized by the palm, ring finger, and little finger. One example includes a ratchet mechanism and release button. | 08-08-2013 |
20140371746 | SURGICAL INSTRUMENT INCLUDING ANGLE ADJUSTMENT MECHANISM AND QUICK-CONNECT MECHANISM - An instrument assembly includes a handle and an instrument. The handle includes an inner member and an outer member. The inner member includes a rod and a tip, and the outer member defines a cannulation configured to receive the inner member. In one example, the instrument includes a protrusion, the tip defines a first pocket configured to receive the protrusion, and the cannulation includes a second pocket. When the protrusion is positioned in the first pocket and the outer member is positioned on the inner member with the second pocket spaced apart from the tip, the handle is adjustable at a desired angle relative to the instrument. When the protrusion is positioned in the first pocket and the second pocket engages the tip, the second pocket is configured to compress the tip radially inward such that the first pocket engages the protrusion and locks the handle at the desired angle. | 12-18-2014 |
20160192989 | STERILE READY-TO-USE SURGICAL TOOL HAVING WIRELESS CHARGING SYSTEM CAPABILITY | 07-07-2016 |