Entries |
Document | Title | Date |
20080208203 | Bone measurement device - A bone measurement device is used to measure the adequacy of the distance between a cavity in the head and neck of a femur and the outer surface of the neck of the proximal femur. A coupling element is fixedly attached to an outer surface of a femoral head. An arm extends from the coupling element and a bone measurement device having an adjustable bone contacting element thereon is coupled to the arm. An adjustable coupler is provided for moving the bone measurement device in a generally proximal-distal direction. The bone contacting element is mounted on the adjustable coupler for movement in a direction transverse to the proximal-distal direction into contact with bone when the coupling element is attached to the femoral head. The adjustable coupler for moving the bone measurement device in a proximal-distal direction and the adjustable bone contacting element are calibrated with distance markings. The markings correspond to sizes of femoral implants for implantation in the cavity. | 08-28-2008 |
20080208204 | INTRAARTICULAR GRAFT LENGTH GAUGE - A technique and reconstruction system for ligament repair by determining the exact length of the graft to be secured within a first tunnel or socket (for example, a tibial tunnel) and a second tunnel or socket (for example, a femoral tunnel) for improved graft fixation. The exact length of the graft (soft tissue graft or BTB graft, for example) is determined with a measuring device, by measuring the length of a first socket in a first bone region (for example, a tibial socket), the length of a second socket in a second bone region (for example, a femoral socket), and the length of the intraarticular joint space between the two sockets in the two bone regions (for example, tibia and femur). The measuring device may consist of at least one flexible member (for example, suture) with at least one fixation device attached to the flexible member, the fixation device being either a sliding knot, a washer or a button. | 08-28-2008 |
20080243132 | TENSIONING SYSTEM AND METHOD FOR THE FIXATION OF BONE FRACTURES - A gauge device that measures and displays the tension applied to a first object portion and a second object portion is disclosed. An exemplary gauge device comprises a first and second housing portion, a tension member, a compression member and a connector portion. The components of the gauge device may be cannulated so as to allow a wire (e.g., lagwire) connected to a first and second object portion to be inserted through the gauge device. When pressure is applied to the lagwire, the tension member is compressed causing the housing to translate horizontally along indicator, thus displaying the amount of tension applied. | 10-02-2008 |
20080255575 | Instruments and methods for sizing a connecting element for positioning along a bony segment - Instruments and methods for determining the spacing between locations in an animal subject are employed to size a connecting element to secure along a bony segment in the animal subject. The instruments and methods include a measuring instrument mountable to proximal ends of extensions extending from anchors engaged to the bony segment. The measuring instrument is configured to provide an indication of the spacing between the anchors even if the extensions are in non-parallel relation to one another. | 10-16-2008 |
20080269767 | INTRA-OPERATIVE T-SQUARE - A T-square apparatus that facilitates intra-operative applications of orthogonal alignment to spinal reconstruction. More specifically, at least one cross member is connected orthogonally to a longitudinal member to assist in aligning the hips and pelvis perpendicular to the longitudinal access of the spine and to assist in positioning of the shoulders parallel to the hips and perpendicular to the spine. The T-square apparatus includes radiopaque markers to allow more accurate estimation of this sometimes difficult to appreciate intra-operative alignment. | 10-30-2008 |
20080287959 | MEASUREMENT AND TRIALING SYSTEM AND METHODS FOR ORTHOPEDIC DEVICE COMPONENT SELECTION - The present invention provides tools and methods designed to aid in the placement of artificial facet joints at virtually all spinal levels. One aspect of the present invention is a measurement tool for installing an artificial cephalad facet joint, the tool including a trial marker having a portion configured to be placed in a hole; and a trial body comprising a bore therethrough for slidaby receiving a portion of the trial marker. In some embodiments, the trial body further comprises an arm extending generally radially outward from the bore and configured to contact an opposing spinal prosthesis component. The trial body may further comprise a lower portion configured to be placed in the hole. The trial marker and the trial body are configured to cooperate to indicate a relative positioning between them. This measurement tool assists in the selection and/or configuration of an artificial cephalad facet joint for implantation in a patient. Another aspect is a method of using a spinal prosthesis component selection tool comprising accessing a target anatomy, creating a hole within a portion of the target anatomy, inserting a marker rod of a component selection tool in the hole, slidably adjusting a trial stem body along the marker rod until the trial body contacts an opposing spinal prosthesis component, determining the relative position between the trial body and marker rod, and selecting a component for implantation into the target anatomy based on the determined relative position. | 11-20-2008 |
20080312660 | DEVICES AND METHODS FOR MEASURING THE SPACE AROUND A NERVE ROOT - Described herein are method, systems and devices for measuring the region adjacent to or around a nerve root, such as the space within an intervertebral foramen before, during and/or after a spinal decompression procedure. Measurement devices may be advanced by pulling on them using a guidewire passing through the intervertebral foramen and out of the subject. The measurement device may include sounds for determining one or more dimensions of the space around a nerve root within an intervertebral space, lateral recess or central canal. Various embodiments of sounds, including calibrated, inflatable, expandable, moldable, and tapered sounds (or combinations of these) are described. | 12-18-2008 |
20080319448 | SYSTEM AND METHOD FOR DETERMINING AN OPTIMAL TYPE AND POSITION OF AN IMPLANT - A computer-assisted orthopaedic surgery system includes a device for generating a three dimensional geometrical surface model of a first bone and a database containing three 3 dimensional implant models of a plurality of available implants. The system includes a computer that is configured to permit a user to select from the database a first implant and display on a screen the three dimensional implant model of the first implant. The computer superimposes on the screen the implant model on top of the model of the first bone such that the two models are visually identifiable from one another. | 12-25-2008 |
20080319449 | COMPUTER-ASSISTED PLANNING METHOD FOR CORRECTING CHANGES IN THE SHAPE OF JOINT BONES - The patent discloses a system and method for correcting changes in the shape of joint bones in a bone joint, including: providing a three-dimensional imaging data set of a bone joint; identifying the joint bones in the data set based on the shapes of the joint bones; inscribing a portion of a joint bone to be reconstructed with a base shape; determining contour deviations of the inscribed joint bone from the base shape by ascertaining contour distances between the base shape and the shape of the inscribed joint bone in different incision planes; determining a three-dimensional deviating volume using the contour deviations; and using the deviating volume for correction planning. | 12-25-2008 |
20090005786 | Bone hole measuring device - A measuring device for measuring the length of a through-hole in a bone has an elongated hollow sleeve preferably having an outer cross-section adapted to a cross-section of the through-hole and having an opening at its distal extremity. The measuring device further comprises a rod having a hook-shaped end at its distal extremity. The rod is at least partly housed within the hollow sleeve and is slidable with respect to the sleeve along its longitudinal axis. The sleeve and the rod are designed such that, when the rod is slid to a distal position of the sleeve, the hook-end can be displaced such as to protrude through the opening of the sleeve and laterally over the lateral outer surface of the sleeve. When the rod is slid to a proximal position of the sleeve, the rod no longer protrudes laterally over the outer surface of the sleeve. | 01-01-2009 |
20090024134 | SURGICAL MEASUREMENT AND RESECTION FRAMEWORK - A frame is attachable to first and second bone portions of a patient to facilitate measurement and resection of one or more bony landmarks. The frame has two anchoring features, each of which has a semispherical surface that permits rotational adjustment of the frame against the bone portions until the frame is secured. A bridging structure couples the anchoring features together such that the anchoring features are lockably movable with respect to each other. The bridging structure may have three linear sliders that provide the relative motion. A locking mechanism exerts pressure on all three sliders to lock them in place. An external anchoring feature enables attachment of the frame to a stationary reference to stabilize the frame. The frame also has registration features that permit attachment of measurement or resection tools to the frame. The frame is particularly useful for measuring and resecting spinal facets for facet replacement. | 01-22-2009 |
20090024135 | SURGICAL MEASUREMENT SYSTEMS AND METHODS - A measurement tool is designed to measure the relative displacements between two bony landmarks of a spine, such as pedicles and facet surfaces. The measurement tool may have a registration interface designed to be registered to a first bony landmark, and a contact feature shaped to contact a second bony landmark. The registration interface may be registered to a frame rigidly coupled relative to the first bony landmark. The measurement tool also has a displacement structure that permits motion of the contact feature relative to the registration interface along multiple dimensions. The displacement structure may have two or three sliding joints that enable relative translation along orthogonal axes. Each sliding joint may have a rod with a plurality of markings that can easily be read to acquire measurements from the displacement structure. | 01-22-2009 |
20090062809 | Cartilage bore depth gauge - The invention is directed toward a depth gauge instrument for simultaneously taking a number of height measurements around the surface of the area surrounding a bore from the base of the bore. The instrument has an individual cylindrical base member which has a diameter the same as the bore allowing the same to be inserted in the bore and a plurality of marker members slideably mounted in dovetail shaped grooves cut longitudinally along the outer surface of the cylindrical base member. The base member is provided with measurement indicia on its outer surface which correspond to the foot of each marker members to show the specific distance that the marker member is from the base of the bore. | 03-05-2009 |
20090088768 | Apparatus for measuring an angle of a guide wire relative to a bone - A measurement apparatus has a body that includes a reference surface that defines a reference line. The body further includes a first elongate window defining a first measurement line and a first measurement indicia positioned in association with the first elongate window. The first measurement line and the reference line define a first angle having a first magnitude. The first measurement indicia corresponds to the first magnitude. | 04-02-2009 |
20090105714 | Method and apparatus for determining the angular position of an acetabulum in a pelvic bone - In a method for determining the angle of anteversion and/or the angle of inclination of an acetabulum in a pelvic bone, in order to achieve a simplification, a method is proposed, wherein prominent points on the pelvic bone are non-invasively determined, these prominent points are joined by an individual plane, and this individual plane is respectively rotated through predetermined, specific angular magnitudes for the angle of inclination and the angle of anteversion, respectively, and the angle between the rotated individual plane and a main plane of the pelvic bone is determined in order to determine the angle of inclination and the angle of anteversion. | 04-23-2009 |
20090112221 | SYSTEM AND METHOD FOR MEASURING THE SHAPE OF INTERNAL BODY CAVITIES - A method and system of evaluating the geometry of the nuclear cavity within the annulus. A three-dimensional mold of the nuclear cavity is created. The three-dimensional mold is preferably removed from the nuclear cavity. The three-dimensional mold can be used for qualitative and quantitative analysis of the nuclear cavity. | 04-30-2009 |
20090157088 | Apparatus for measuring depth of a bone opening and related method - Apparatus for measuring bone depth for determining the length of fastener to be employed in medical treatment of the bone includes an elongated inner bone probe having a bone-engaging portion and a plurality of first manually-engageable elements secured thereto. An outer sleeve overlies at least a portion of the inner bone probe and is movable with respect thereto. A second manually-engageable element is secured to the outer sleeve. The first and second manually-engageable elements may be generally ring-shaped, so as to facilitate insertion of a user's fingers. The apparatus is structured to have the bone-engaging portion of the inner bone probe pass through an opening in the bone and engage the distal exterior surface in intimate contact as a result of the first manually-engageable elements being engaged and urged away from the bone. The outer sleeve is moved generally toward the bone so as to achieve contact between the distal end of the outer sleeve and the proximal exterior surface of the bone. A reading of desired fastener length may then be made. Other embodiments of the gauge employing different configurations of the two main components and additional functional features, as well as adaptors, which facilitate retro-fitting structural features, of the present invention into prior art devices. Associated methods are provided. | 06-18-2009 |
20090187193 | Joint Arthroplasty Kit and Method - A method for providing joint arthroplasty includes providing a gauge for making a measurement of the contour of a long bone, making a measurement of the contour of a long bone with the gauge, providing a plurality of joint prostheses, selecting one of the plurality of joint prostheses based upon the measurement of the contour, resecting a long bone, and implanting the selected one prosthesis onto the long bone. A kit is also provided for selecting one of a plurality of joint implants for use in joint arthroplasty on a bone. The kit includes a first gauge and a second gauge. | 07-23-2009 |
20090264894 | METHOD OF DESIGNING ORTHOPEDIC IMPLANTS USING IN VIVO DATA - The present disclosure is directed to orthopedic implants and methods of designing orthopedic implants using in vivo data specific to an orthopedic implant or orthopedic trial. Specifically, the instant disclosure utilizes permanent orthopedic implants and orthopedic trials outfitted with pressure sensors to provide feedback regarding the position and magnitude of pressures exerted upon the devices to discern which design is preferable or which designs are preferable. | 10-22-2009 |
20090270875 | MEASURING INSTRUMENT FOR VERSION ANGLE - An instrument for measuring an angle about a cavity axis defined by a cavity extending into a head of a bone is provided, the bone having been resected on a plane that is inclined relative to the cavity axis. The instrument includes a stem arranged to be inserted into the cavity, a plane finder and a scale. The plane finder is coupled to the stem and arranged to contact the resection surface as the stem is inserted into the cavity and to move relative to the stem until the plane finder lies in a plane parallel to the resection surface. Movement of the plane finder relative to the stem is indicative of the angle about the cavity axis between a radial position indicated by part of the stem and a line extending perpendicularly from the resection surface. The scale is configured such that movement of the plane finder relative to the stem is indicated by the position of a portion of the plane finder relative to the scale. | 10-29-2009 |
20090299376 | Sensing Device for Medical Procedure - A sensing device for determining the location of an intramedullary pin emplaced within the bone of a patient. The sensing device is useable with a frame that initially holds the intramedullary pin external of the patient and the sensing device used to contact a planar portion of the intramedullary pin to verify the orientation of predrilled holes in the intramedullary pin. The same set up is thereafter used with the intramedullary pin emplaced within the bone of a patient. The sensing device verifies the same location of the predrilled holes by contacting the same planar portion. The sensing device is an electrical continuity device that completes an electrical circuit when the distal end of the sensing device contacts the planar portion of the intramedullary pin, thereby activating an alerting device to notify the physician that the contact has been established and the predrilled holes are accurately located. | 12-03-2009 |
20090306676 | Methods and compositions for articular repair - Disclosed herein are methods and compositions for producing articular repair materials and for repairing an articular surface. In particular, methods for providing articular repair systems. Also provided are articular surface repair systems designed to replace a selected area cartilage, for example, and surgical tools for repairing articular surfaces. | 12-10-2009 |
20090318930 | SURGICAL ORIENTATION DEVICE AND METHOD - A device for detecting and measuring a change in angular position with respect to a reference plane is useful in surgical procedures for orienting various instruments, prosthesis, and implants with respect to anatomical landmarks. One embodiment of the device uses three orthogonal rate sensors, along with integrators and averagers, to determine angular position changes using rate of change information. A display provides position changes from a reference position. Various alignment guides are useful with surgical instruments to obtain a reference plane. | 12-24-2009 |
20090318931 | SURGICAL ORIENTATION DEVICE AND METHOD - A device for detecting and measuring a change in angular position with respect to a reference plane is useful in surgical procedures for orienting various instruments, prosthesis, and implants with respect to anatomical landmarks. One embodiment of the device uses three orthogonal rate sensors, along with integrators and averagers, to determine angular position changes using rate of change information. A display provides position changes from a reference position. Various alignment guides are useful with surgical instruments to obtain a reference plane. | 12-24-2009 |
20090326544 | KNEE LIGAMENT BALANCER - An orthopaedic surgical device comprises a first sensor component and a second sensor component. Each sensor component includes a paddle set to contact a proximal tibia and a distal femur of a patient. The first sensor component and the second sensor component being movable with respect to one another to extend one paddle set beyond the other paddle set, and each paddle set includes cutouts for the clearance of the patellar tendon to avoid the need to avert the patella during use. | 12-31-2009 |
20100094308 | ARTIFICIAL JOINT REPLACEMENT ASSISTING DEVICE, ARTIFICIAL JOINT REPLACEMENT ASSISTING METHOD USING SAME, AND ASSISTING SYSTEM - A technique of adequately determining the position of the bone resection plane of artificial joint replacement and the size of the implant. The three-dimensional relative position relation (the three-dimensional position relation between the relation among frontal three elements and the relation among lateral three elements) among the five elements, i.e., a frontal The source of X-ray (FS), the plane (PS) to which the frontal radiograph belongs, a lateral The source of X-ray (FL), the plane (PL) to which the lateral radiograph belongs, a lateral The source of X-ray (FL), the plane (PL) to which the lateral radiograph belongs, and three-dimensional CAD data is determined (S | 04-15-2010 |
20100100102 | METHOD AND APPARATUS FOR CONSTANT FORCE TENSOR/LIGAMENT BALANCER - A tensor/ligament balancer for use in measuring a gap existing between an anatomy is provided. The tensor/ligament balancer can include a first paddle. The tensor/ligament balancer can also include a second paddle movable relative to the first paddle. The tensor/ligament balancer can further include a biasing member operable to apply a substantially constant force on the second paddle to move the second paddle relative to the first paddle. At a first position, the second paddle can be substantially adjacent to the first paddle. The second paddle can be automatically movable away from the first paddle to a second position by applying the substantially constant force to the second paddle. | 04-22-2010 |
20100114106 | SURGICAL INSTRUMENT TO MEASURE AN INTERVERTEBRAL SPACE - The invention is a surgical instrument for measuring an intervertebral space. On the distal end of a handle of the instrument there are at least two measurement plates, whereby an interval between the measurement plates, and an angle enclosed by the measurement plates, are adjustable. | 05-06-2010 |
20100114107 | Intervertebral Disc Nucleus Implants and Methods - Nucleus pulposus implants that are resistant to migration in and/or expulsion from an intervertebral disc space are provided. In one form of the invention, an implant includes a load bearing elastic body surrounded in the disc space by an anchoring, preferably resorbable, outer shell. In certain forms of the invention, the elastic body is surrounded by a supporting member, such as a band or jacket, and the supporting member is surrounded by the outer shell. Kits for forming such implants are also provided. In another form of the invention, an implant is provided that has locking features and optional shape memory characteristics. In yet another aspect of the invention, nucleus pulposus implants are provided that have shape memory characteristics and are configured to allow short-term manual, or other deformation without permanent deformation, cracks, tears, breakage or other damage. Methods of forming and implanting the implants are also described, as are delivery devices and components thereof for delivering the implants. | 05-06-2010 |
20100114108 | MULTIPLANAR TAPER LOCK SCREW AND LOCK INDICATOR GAUGE - A lock indicator gauge is provided to provide an indication as to whether a bone screw construct is in a locked or an unlocked condition when the lock indicator gauge is operatively engaged with the bone screw construct. A plunger longitudinally disposed within a housing of the lock indicator gauge translates within the housing by a distance that corresponds to the relative positions of inner and outer housings of the bone screw construct, wherein the relative positions of the inner and outer housings is dependent on whether the bone screw construct is in a locked or an unlocked condition. | 05-06-2010 |
20100137874 | DIGITAL DEPTH GAUGE - A digital depth gauge is provided for measuring a depth of a hole in an object. In one embodiment the gauge includes: a user interface with a display and at least one actuator; a reader shaft with a distal end and a proximal end connected to the user interface; a probe that extends from the distal end of the reader shaft and which includes a tip configured to locate a distal surface of the hole; a sleeve member with a distal end configured to abut a proximal surface of the hole, the sleeve member being coupled with the reader shaft for relative translational and rotational movement; and a sensor interposed between the reader shaft and the sleeve member for measuring relative translational movement between the reader shaft and the sleeve member. In some embodiments, the gauge may include a means for aligning elements of the sensor. | 06-03-2010 |
20100198227 | SURGICAL DEPTH INSTRUMENT - An instrument that measures the depth of an open or closed hole in a bone or other tissue electronically, provides a rotatable display of information relating to the depth. The surgical depth gauge comprises a probe insertable into the hole that measures a depth that is communicated to the rotatable display. The display may be rotatable in one, two, or three dimensions, and may be implemented as a wired or wireless display. A locking mechanism may be provided to lock the display in a particular orientation best suited for a particular situation. | 08-05-2010 |
20100292705 | Sizing Guide for Femoral Prosthesis - A posterior-referencing apparatus for sizing the resected distal femur prior to implanting the femoral component of a total knee prosthesis. The apparatus can be used for sizing either the left or right femur. The apparatus has a first operable orientation adapted for sizing the left femur and a second operable orientation offset 180 degrees from the first operable position for sizing the right femur. The apparatus can be reconfigured between left and right orientations quickly and easily without disassembling the apparatus. | 11-18-2010 |
20110028981 | BONE GRAFT MEASURING APPARATUS AND METHOD OF USE - A bone void measuring apparatus includes a compliant inflatable member adapted for disposal with bone adjacent soft tissue. The bone has a bone defect surface that defines a bone defect cavity. A lumen is connected to the inflatable member and a fluid source for communication therebetween. The inflatable member receives a fluid of the fluid source for compliant inflation in a configuration such that outer surface of the inflatable member engagingly conforms to the bone defect surface and avoids displacement of the adjacent soft tissue to measure a volume of the bone defect cavity. The measured volume of the bone defect cavity is equivalent to a volume of bone void filler configured for introduction to the bone defect cavity. Methods of use are also disclosed. | 02-03-2011 |
20110046632 | Medical Tool And Method For Forming Holes - A medical tool and method are provided. The tool includes a shank for insertion into an animal to produce a hole, inject material and/or extract a sample. The shank is provided with color zones which, when referenced to a portion of a body part, will indicate depth of penetration of the shank. | 02-24-2011 |
20110054486 | Devices, Methods, and Systems for Prosthetic Meniscus Selection, Trialing, and Implantation - Methods of selecting and implanting prosthetic devices for use as a replacement meniscus are disclosed. The selection methods include a pre-implantation selection method and a during-implantation selection method. The pre-implantation selection method includes a direct geometrical matching process, a correlation parameters-based matching process, and a finite element-based matching process. The implant identified by the pre-implantation selection method is then confirmed to be a suitable implant in the during-implantation selection method. In some instances, the during-implantation selection method includes monitoring loads and/or pressures applied to the prosthetic device and/or the adjacent anatomy. In some instances, the loads and/or pressures are monitored by a trial prosthetic device comprising one or more sensors. Methods of implanting meniscus prosthetic devices are also disclosed. | 03-03-2011 |
20110077658 | Bone Preparation Reference Guide - A reference guide comprising an attachment portion configured to abut with and attach to an anatomical feature such as a bone. The reference guide further comprises a reference indicator that may be formed integrally with, or selectively secureable to, the attachment portion and that indicates a reference point with respect to the attachment portion. The reference guide may be used to identify a target location during a surgical procedure even in the absence of traditional landmarks. | 03-31-2011 |
20110125161 | Extracapsular Surgical Procedure and Surgical Referencing Instrument Therefor - A method and device for finding isometric points in the joints of mammals for use in surgical repair of a joint. Isometric points are first identified in radiographic or other two dimensional images and then located in the actual joint. A method for repairing a cruciate ligament-deficient canine stifle employing the method and device for finding isometric points is described. A method and apparatus for locating the axis of rotation of a joint is also described. | 05-26-2011 |
20110130766 | APPARATUS AND MEASURING INSTRUMENT - An apparatus and measuring instrument ( | 06-02-2011 |
20110160738 | OPERATING ROOM SURGICAL FIELD DEVICE AND METHOD THEREFORE - One or more disposable devices suitable for use in a surgical field of an operating room are disclosed. One device comprises a sensor ( | 06-30-2011 |
20110213379 | COMPUTER ASSISTED SURGERY SYSTEM - A computer assisted surgery system and a method for operating a computer assisted surgery system is described therein. The system and method includes providing a virtual representation of a medical device to provide an easier application of a medical device, such as an implant or the like. The described system and method allows for simple and fast positioning of a medical device to be applied, such as an implant, for example. | 09-01-2011 |
20110288556 | Apparatus for Sizing a Facet Joint - Systems and method in accordance with the embodiments of the present invention can include an implant for positioning within a cervical facet joint for distracting the cervical spine, thereby increasing the area of the canals and openings through which the spinal cord and nerves must pass, and decreasing pressure on the spinal cord and/or nerve roots. The implant can be inserted laterally or posteriorly. | 11-24-2011 |
20120035611 | MEASURING INSTRUMENT FOR SIZING AN ELONGATE STABILIZATION ELEMENT - A medical instrument includes first and second support members movably coupled to one another to provide variable spacing between distal portions of the support members. A first engagement element is attached to the distal portion of the first support member and extends generally along a first axis, and a second engagement element is attached to the distal portion of the second support member and extends generally along a second axis. At least one of the engagement elements includes an articulating portion articularly engaged with a mounting portion to provide multi-axial movement therebetween to thereby vary an angular orientation of the first axis relative to the second axis. An indicator extends between proximal portions of the support members and includes multiple indicia corresponding to variable distances between the first and second axes adjacent the engagement elements to provide an indication corresponding to a select distance between the first and second axes adjacent the engagement elements. | 02-09-2012 |
20120035612 | ORIENTATION GUIDE - An orientation guide comprising a housing arranged to couple to a surgical instrument. In one embodiment the orientation guide further comprises first and second indicators ( | 02-09-2012 |
20120116412 | SYSTEM AND METHOD OF HIP REPLACEMENT - A cup for a hip replacement is disposed in a first relationship in an operating room with an object providing a sighting for the cup rotation in a first plane. The cup is thereafter rotated in the first plane through a first angle (e.g., 20°-30°). The cup is then disposed in a planar relationship in the operating room with another object providing a sighting for the cup rotation in a second plane transverse (e.g. perpendicular) to the first plane. The cup is subsequently rotated through a second angle (e.g. 40°-45°) in the second plane. In this way, the cup is properly positioned in the acetabulum socket. The length of the leg receiving the hip rotation is then adjusted so that the leg length matches the length of the patient's other leg. This adjustment is provided without affecting the offset position of the center of the ball on the femur. | 05-10-2012 |
20120136364 | BONE CALIPER - A bone caliper | 05-31-2012 |
20120143205 | FEMORAL SIZING INSTRUMENT - A femoral sizing instrument for use in a knee joint replacement procedure has a housing which includes formations ( | 06-07-2012 |
20120191104 | Depth Probe for the Humeral Head - A method for treating fractures comprises positioning a bone fixation device along a bone and creating a first hole from an outer surface of the bone through a lateral cortex to a central portion thereof, the first hole corresponding to a position at which a first bone fixation element receiving opening is to be located when the bone fixation device is coupled to the bone in a desired orientation in combination with inserting and pushing a probe through the central portion of the bone until a tip of the probe contacts an interior structure of the bone providing resistance to penetration by the probe increased relative to the central portion of the bone and determining a first length of the portion of the probe extending into the bone via the first hole to select a desired length of a first bone fixation element to be inserted therethrough. | 07-26-2012 |
20120197262 | Method and Apparatus for Aligning Bone Screw Holes - A method for estimating at least one of a fastener-hole depth and a fastener length prior to forming a hole in a bone can include selecting a position on a proximal side of a proximal cortical bone layer for forming the hole, transmitting a transmitted wave into the bone from the selected position, and receiving a reflected wave at the selected position after the transmitted wave has been reflected by a distal cortical bone layer. The method can further include determining a distance from the selected position to the distal cortical bone layer based on times at which the transmitted wave is transmitted and the reflected wave is received, and estimating the at least one of the fastener-hole depth and the fastener length based on the distance to the distal cortical bone layer. | 08-02-2012 |
20120203237 | DISTANCE INDICATOR - A distance indicator for indicating the distance that a device has traveled includes an elongate housing with a guidewire connector configured for operative connection to a guidewire to hold the housing stationary with respect thereto. A plunger is operatively connected to the housing for longitudinal motion with respect to the housing. A first plunger end is configured to operatively contact the device. As the guidewire connector is holding the housing stationary with respect to the guidewire, the first plunger end is placed into operative contact with the device with the plunger and housing in a first relative plunger/housing position. The device moves longitudinally. The plunger moves into a second relative plunger/housing position assisted by the operative connection between the first plunger end and the device. The longitudinal difference between the first and second relative plunger/housing positions indicates a distance that the device has moved longitudinally with respect to the guidewire. | 08-09-2012 |
20120265212 | APPARATUS AND METHOD FOR SIZING A CONNECTING ELEMENT FOR POSITIONING ALONG A BONE STRUCTURE - Apparatus and methods for measuring spacing between first and second bone screws engaged with first and second bone structures are provided. An apparatus comprises first and second arms operably engaged with a single pivot pin. The first arm includes a distal end adapted to engage the first bone screw, and a proximal end comprising a graduated scale. The second arm, operably engaged with the first arm via the single pivot pin, includes a distal end adapted to engage the second bone screw, and a proximal end comprising an indicator segment slidably engaged with the graduated scale. A position of the indicator segment relative to the graduated scale is therefore indicative of a spacing between the first and second bone screws. | 10-18-2012 |
20120265213 | SURGICAL DISTRACTION INSTRUMENT FOR LAMINOPLASTY - A surgical instrument and instrumentation are suggested, with which expansion of the vertebral canal of vertebrae is possible with less stress for the patient than with operating procedures customary up to now, this instrument having proximally a gripping part and distally two branches which can be moved relative to one another with tool elements held thereon as well as a lever mechanism arranged between the gripping part and the branches, wherein the tool elements are held with the lever mechanism so as to be movable relative to one another from a closed rest position into an open spread position (distraction position). | 10-18-2012 |
20120323250 | Instrumentation For Recording and Replicating Orthopaedic Implant Orientation - An instrument for recording and replicating the spatial orientation of a dialable component of an implant relative to a bone engaging component of the implant includes a base assembly configured to support the trial implant so that the datum is in a predetermined orientation, a fixture supported on said base assembly, said fixture including an alignment tool configured to engage the first dialable component of the trial implant when the trial implant is supported by said base assembly, and a locking assembly configured to record the angular orientation of said alignment tool relative to said fixture with said alignment tool engaged with the first dialable component, and to replicate the recorded angular orientation with the alignment tool and a second dialable component. | 12-20-2012 |
20120330323 | ACL RECONSTRUCTION TUNNEL GAUGE AND METHOD - A depth gauge and method provide for accurate measurement of a socket portion of a bone tunnel in an ACL reconstruction. | 12-27-2012 |
20130035694 | COMBINATION LIGAMENT TENSIONER AND ALIGNMENT DEVICE - A feeler gauge and alignment device comprises a first outer shim having a first end, a second end, and an alignment aperture disposed between the first end and the second end, a second outer shim having a first end, a second end, and an alignment aperture disposed between the first end and the second end, and one or more inner shims disposed between the first outer shim and the second outer shim, each of the one or more inner shims having a first end, a second end, and an alignment aperture disposed between the first end and the second end. The first outer shim, the second outer shim, and the one or more inner shims are rotatably coupled about the first ends. | 02-07-2013 |
20130072942 | FLEXIBLE DEPTH PROBE - An instrument includes a flexible shaft portion and a hook portion. The flexible shaft portion has a proximal end and a distal end and includes markings along an outer surface of the shaft portion. The hook portion is located at the distal end of the shaft portion. The shaft portion and the hook portion define a lumen that terminates in an opening at the hook portion. | 03-21-2013 |
20130079790 | Spine Tool For Measuring Vertebral Load and Position of Load - A spine measurement system includes at least one spinal instrument and a remote system. The spinal instrument comprises a handle, a shaft, an accelerometer, a sensored head, and an electronic assembly. The sensored head includes one or more sensors that are operatively coupled to the electronic assembly. The sensored head can be inserted between vertebra and report vertebral conditions such as force, pressure, orientation and edge loading. A GUI of remote system can report position via the accelerometer to show spinal instrument relative to vertebral bodies as the instrument is placed in the inter-vertebral space. The system can report optimal prosthetic size and placement in view of the sensed load and location parameters including optional orientation, rotation and insertion angle along a determined insert trajectory. | 03-28-2013 |
20130079791 | Modular Active Spine Tool For Measuring Vertebral Load and Position of Load - A spine measurement system includes a plurality of sensored heads, a spinal instrument, and a remote system. The spinal instrument comprises a handle, a shaft, sensored heads, and a module. The sensored heads includes one or more sensors that couple to module and each has a different height. The module includes an electronic assembly for receiving, processing, and sending quantitative data from sensors in sensored heads. The module can be coupled to and removed from handle. Similarly, sensored heads can be coupled to and removed from shaft. A sensored head can be inserted between vertebra and report vertebral conditions such as force, pressure, orientation and edge loading. A GUI of remote system can display a workflow and report load and position of load during the workflow. | 03-28-2013 |
20130079792 | SPINAL INSTRUMENT FOR MEASURING LOAD AND POSITION OF LOAD - A spinal instrument includes sensors for measuring a parameter of the muscular-skeletal system. The spinal instrument includes a sensored head region that can be inserted into a spinal region. The spinal instrument comprises a housing, a housing, an electronic assembly, and a flexible interconnect. Housing includes a handle portion, a shaft portion, and a support structure. Similarly, housing includes a handle portion, a shaft portion, and a support structure. Furthermore, housing has a cavity and a lengthwise passage respectively for receiving electronic assembly and flexible interconnect. A sensored head region of spinal instrument includes an assembly stack for measuring load magnitude and position of load on the support structure and the support structure. The flexible interconnect couples the electronic assembly to the sensors. | 03-28-2013 |
20130079793 | SENSORED HEAD FOR A MEASUREMENT TOOL FOR THE MUSCULAR-SKELETAL SYSTEM - A measurement tool for measuring a parameter of the muscular-skeletal system is disclosed. The measurement tool includes a sensored head that comprises a first support structure, a second support structure, and a plurality of sensors for measuring load and position of load. The housing for the measurement tool includes a first housing component and a second housing component. The first housing component comprises a handle portion, a shaft portion, and a first support structure. Similarly, the second housing component comprises a handle portion, a shaft portion, and a second support structure. The sensored head includes an interconnect, a sensor guide, sensors, and a load plate. The interconnect and the sensor guide are aligned and retained in the first support structure by a sidewall. | 03-28-2013 |
20130090663 | APPARATUS AND METHOD FOR SIZING A CIRCUMFERENCE - An apparatus ( | 04-11-2013 |
20130090664 | GRAFT CALIPER MARKING DEVICE - A graft caliper provides for a first member having a first pick at its distal end and its proximal end attached to a handle. A second member of the graft caliper is disposed above the first member and has a second pick at its distal end that extends beyond the first pick. The proximal end of the second member is attached to an adjuster which causes the second member to move from a first position to a second position in order to change a distance the second pick extends beyond the first pick. The graft caliper provides for an indication of at least one metric for describing the distance the second pick extends beyond the first pick and places an identifier on a surface of bone representing the location of a tunnel to be formed through a femur, tibia or any other anatomical structure. | 04-11-2013 |
20130096565 | DOUBLE-ENDED DEPTH GAGE - An instrument for measuring a depth of a hole in bone can comprise an instrument body having a cannulated sleeve that extends between a first end and a second end. A first reference portion can be disposed at the first end and a second reference portion can be disposed at the second end. A probe can selectively and alternatively translate in first and second opposite directions through the cannulated sleeve between a first measuring position and a second measuring position. The probe extends outwardly a distance spaced from the first reference portion in the first measuring position and extends outwardly a distance spaced from the second reference portion in the second measuring position. | 04-18-2013 |
20130096566 | DIAGNOSTIC DEVICE FOR DETERMINING MECHANICAL INTEGRITY OF BONE - A method for determination of mechanical integrity of bone includes embedding a threaded rod into the bone, extracting the threaded rod out of the bone, and measuring the force required to extract the threaded rod from the bone, wherein the force required to extract the threaded rod is indicative of the mechanical integrity of the bone. A device for determining the mechanical integrity of bone includes a housing, a rod holder mounted to the housing and configured to hold a threaded rod which is embedded in the bone, a pulling force applicator which applies a pulling force to the rod holder to extract the threaded rod from the bone, and a pulling force measuring instrument which measures the pulling force applied to the rod holder by the pulling force applicator as the threaded rod is extracted from the bone. | 04-18-2013 |
20130096567 | DYNAMIC KNEE BALANCER WITH FORCE OR PRESSURE SENSING - A device for performing a surgical procedure on a knee includes an adjustable femoral portion, a tibial portion and at least one sensor coupled with the femoral and/or tibial portions to sense pressure exerted by the femoral and tibial portions against one another. The femoral portion is adapted for removably coupling with a distal end of a femur to adjust tension in soft tissue adjacent the knee and has at least one positioning feature adapted to move relative to the distal end of the femur as the femoral portion is adjusted, thus helping position a femoral prosthetic on the distal end of the femur. The sensor(s) may be adapted to sense pressure at medial and lateral sides of the knee, and relative pressures may be displayed as data on a visual display. Adjustments to the femoral member may be made to balance pressure at flexion and extension of the knee. | 04-18-2013 |
20130103038 | SENSING FORCE DURING PARTIAL AND TOTAL KNEE REPLACEMENT SURGERY - Systems, devices, and methods are provided for measuring forces in the space of a knee during surgery. Such forces can be caused by tension in the ligaments of the knee. A femoral member is engaged with a distal femur. While the knee is flexed, partially extended, or fully extended, a force sensor and a gauge shim can be placed in the gap between the femoral member and the tibial plateau to measure the forces therebetween. The force sensor provides an accurate and quantifiable measurement of force, making knee replacement surgery and ligament tension balancing more accurate, standardized and repeatable. The force sensor comprises an elongate housing which comprises a thin force sensing distal portion and a proximal handle portion. | 04-25-2013 |
20130110120 | ORTHOPEDIC DEVICE AND METHOD | 05-02-2013 |
20130110121 | VERTEBRAL SPACER SIZE INDICATOR | 05-02-2013 |
20130144302 | SURGICAL INSTRUMENT - A surgical instrument comprising a first component ( | 06-06-2013 |
20130150863 | ULTRASOUND CT REGISTRATION FOR POSITIONING - An assembly for manipulating a bone includes a first manipulating element configured to be attached to a first portion of bone and including a location emitting signal and a second manipulating element configured to be attached to a second portion of bone and including a sensor detecting the location emitting signal to provide a position and orientation signal of the first and second manipulating elements relative to one another. The assembly also includes a tracking unit including a processor tracking movement of the first and second manipulating elements relative to one another in a plurality of dimensions using the position and orientation signals. | 06-13-2013 |
20130172897 | ROUND DEPTH GAUGE - A device for measuring blind holes formed through a bone includes (a) a first elongated rod including a shaft extending from a proximal end to a distal end, the distal end including an increased diameter abutment extending radially outward therefrom, the abutment including a proximal surface formed to contact a portion of the bone adjacent a distal opening of the blind hole to assume a locked configuration with the bone and (b) a second elongated rod extending from a proximal end to a distal end along a longitudinal axis. | 07-04-2013 |
20130172898 | APPARATUS AND METHOD FOR DICTATING AT LEAST ONE OF A DESIRED LOCATION AND A DESIRED TRAJECTORY FOR ASSOCIATION OF A LANDMARK WITH A PATIENT TISSUE - An apparatus for transferring location and/or trajectory information from a reference surface to a patient tissue surface for guiding placement of a landmark includes a landmark guiding structure. At least two locating feet are provided, each being laterally spaced from, and indirectly connected to, the landmark guiding structure. A holdaway structure is connected to each locating foot and to the landmark guiding structure. The landmark guiding structure is placed in desired location and/or a desired trajectory with respect to the reference surface. Each locating foot is adjusted into guiding contact with a particular portion of the reference surface. Each locating foot is maintained in the guiding contact position, and the apparatus is placed with each locating foot in guiding contact with a particular portion of the patient tissue surface. A method of transferring location and/or trajectory information from a reference surface to a patient tissue surface is also disclosed. | 07-04-2013 |
20130178863 | Alignment Plate Apparatus and Method of Use - A dimensioned grid apparatus for determining: 1) leg length, offset, and cup position during arthroplasty replacement surgery; 2) fracture reduction/correction position during trauma procedures and 3) an apparatus to be used for defomity correction planning is provided. | 07-11-2013 |
20130204266 | Method And Apparatus For Aligning Bone Screw Holes - A method for estimating at least one of a fastener-hole depth and a fastener length prior to forming a hole in a bone can include selecting a position on a proximal side of a proximal cortical bone layer for forming the hole, transmitting a transmitted wave into the bone from the selected position, and receiving a reflected wave at the selected position after the transmitted wave has been reflected by a distal cortical bone layer. The method can further include determining a distance from the selected position to the distal cortical bone layer based on times at which the transmitted wave is transmitted and the reflected wave is received, and estimating the at least one of the fastener-hole depth and the fastener length based on the distance to the distal cortical bone layer. | 08-08-2013 |
20130204267 | ADJUSTABLE KNEE TIBIAL TRIAL INSERT - An adjustable tibial trial insert includes an upper plate having an upper articular surface and a lower plate. A height-adjustment mechanism of the insert is coupled to and positioned generally between the upper plate and the lower plate and is configured to move between a closed position where the upper and lower plates are adjacent each other and an opened position where the upper and lower plates are spaced-apart from each other in order to adjust a height or thickness of the insert. | 08-08-2013 |
20130226190 | SYSTEMS AND METHODS FOR OPTIMIZING PARAMETERS OF ORTHOPAEDIC PROCEDURES - Systems and methods for optimizing parameters of an orthopaedic procedure for a particular patient, including parameters relating to the anatomic and biomechanic fit of an implant or implant system implanted into the patient's joint. These systems and methods may utilize patient-specific information gathered pre-operatively in conjunction with optimization algorithms to determine an optimal implant design and an optimal position and orientation for implantation of the implant into the particular patient's joint. | 08-29-2013 |
20130237991 | APPARATUS AND METHOD FOR TRANSFERRING PREDETERMINED SPATIAL POSITIONING INFORMATION TO AN ADJUSTABLE TOOL - An apparatus transfers predetermined spatial positioning information to an adjustable tool. Means are provided for temporarily holding at least a carrier portion of the adjustable tool stationary relative to a manipulable reference surface. Means are provided for imparting predetermined spatial positioning information to the reference surface in a first degree of freedom. Means are provided for imparting predetermined spatial positioning information to the reference surface in a second degree of freedom. The predetermined spatial positioning information is imparted to the reference surface in the first and second degrees of freedom to generate a pre-set reference surface. At least a portion of the adjustable tool is held stationary relative to the pre-set reference surface. At least a functional portion of the adjustable tool is manipulated into a predetermined setting position relative to the reference surface. The predetermined setting position reflects a position of the pre-set reference surface. | 09-12-2013 |
20130289575 | MEASUREMENT DEVICE FOR EXTERNAL FIXATION FRAME - A protractor for use with an external fixation frame is provided. The protractor may include a face having angle designations thereon and a set of opposed and extending flanges projecting from said face. The flanges may connect to a portion of an external fixation frame, such as a ring (or other component) of the frame. The face may also include a post member to which a rotatable dial is mounted. An elongate member may be pivotally connected to a portion of the post member and may include a clamp. The clamp may be used to connect to an alternate portion of an external fixation frame, such as a strut of the frame. Thus, the protractor may be connected to two points on an external fixation frame so as to measure the angle between such points. Related methods of using the aforementioned protractor are also disclosed. | 10-31-2013 |
20130304075 | MEASURING AND GUIDING DEVICE FOR RECONSTRUCTION SURGERY - The present invention discloses a measuring and guiding device for reconstruction surgery. The measuring and guiding device includes: a pair of rotary aims, a connector, and a pair of fixators. Each rotary arm includes: a first shaft, a first joint body and a second joint body. The pair of rotary arms is joined together by extending through each of the first joint bodies using the connector. Besides, each fixator includes: a second shaft, a third joint body and a guiding portion, and each third joint body is connected with one of the second joint bodies. With the implementation of the present invention, the measuring and guiding device is capable of measuring an operating site and guiding the operation precisely during reconstruction surgery. | 11-14-2013 |
20130304076 | SURGICAL INSTRUMENT WITH HIGH CONTRAST MARKING AND METHOD OF MARKING A SURGICAL INSTRUMENT - A surgical instrument comprising a symbol formed in or on a smooth surface surrounding the symbol, wherein the symbol comprises a plurality of angled surfaces over at least part of the area of the symbol, wherein the angled surfaces define a plurality of parallel ridges and grooves in the symbol. These ridges and grooves create an improved contrast for the symbol relative to the surrounding surface by a combination of different specular reflection of incident light compared to the surrounding surface and shadows formed by the ridges and grooves. A method of marking a surgical instrument with a symbol formed in or on a smooth surface is also described. The method comprises forming a symbol in or on a smooth surface of the surgical instrument; and forming a plurality of angled surfaces over at least part of the area of the symbol, wherein the angled surfaces define a plurality of parallel ridges and grooves in the symbol. | 11-14-2013 |
20130310841 | Femoral Sizing Devices and Procedures for Use in Knee Surgery - The present invention is directed to a femoral sizing device that can be used in knee surgery and to techniques in which this device may prove useful. | 11-21-2013 |
20130317511 | PATIENT-SPECIFIC JOINT ARTHROPLASTY DEVICES FOR LIGAMENT REPAIR - Disclosed herein are methods, compositions and tools for repairing, replacing or otherwise treating bone ligaments using devices designed from patient-specific information, including without limitation, surgical alignment instruments that have a surface that conforms to at least a portion of a patient's bone, cartilage or other component of the joint or ligament being treated. | 11-28-2013 |
20130317512 | DEVICES AND METHODS FOR MONITORING THE ROTATIONAL ORIENTATION OF BONE FRAGMENTS - Device and a method for positioning and monitoring the rotary orientation of extremity bone fragments when implanting an intramedullary implant, and in particular to a device and a method for monitoring the rotary orientation of extremity bone fragments of the leg when implanting an intramedullary nail by using a monitoring of locking means of the intramedullary nail which so as to improve the accuracy of the orientation of extremity bone fragments. | 11-28-2013 |
20130331850 | DEVICES, TECHNIQUES AND METHODS FOR ASSESSING JOINT SPACING, BALANCING SOFT TISSUES AND OBTAINING DESIRED KINEMATICS FOR JOINT IMPLANT COMPONENTS - Improved assessment probes and measuring tools, systems, procedures and methods to facilitate the selection and/or implantation of prosthetic joint components, and assist a surgeon or medical practitioner with the proper assessment, balancing and/or restoration of natural and/or desired joint kinematics during a joint replacement procedure. | 12-12-2013 |
20130331851 | GRAFT CALIPER MARKING DEVICE - A graft caliper provides for a first member having a first pick at its distal end and its proximal end attached to a handle. A second member of the graft caliper is disposed above the first member and has a second pick at its distal end that extends beyond the first pick. The proximal end of the second member is attached to an adjuster which causes the second member to move from a first position to a second position in order to change a distance the second pick extends beyond the first pick. The graft caliper provides for an indication of at least one metric for describing the distance the second pick extends beyond the first pick and places an identifier on a surface of bone representing the location of a tunnel to be formed through a femur, tibia or any other anatomical structure. | 12-12-2013 |
20140005673 | TOOL AND METHOD FOR DIGITAL ACQUISITION OF A TIBIAL MECHANICAL AXIS | 01-02-2014 |
20140012273 | CONDYLE AXIS LOCATOR - An apparatus and methods for locating the axis of rotation of one or more condyles are disclosed. A condyle axis locator can include a first concave member, a second concave member, and a handle extending between the first and second concave members. The first and second concave members can include first and second locating members, respectively, extending from a surface of the first and second concave members. The first and second locating members can each include at least one opening for receiving a marking instrument. A method for locating the axis of rotation of a condyle can include positioning a first longitudinal bone in flexion relative to an adjacent second longitudinal bone, placing one of the concave members of the condyle axis locator under the condyle, and inserting a marking instrument in the opening of the locating member to mark the axis of rotation of the condyle. | 01-09-2014 |
20140012274 | Extracapsular Surgical Procedure and Surgical Referencing Instrument Therefor - A method and device for finding isometric points in the joints of mammals for use in surgical repair of a joint. Isometric points are first identified in radiographic or other two dimensional images and then located in the actual joint. A method for repairing a cruciate ligament-deficient canine stifle employing the method and device for finding isometric points is described. A method and apparatus for locating the axis of rotation of a joint is also described. | 01-09-2014 |
20140025081 | KNEE SIZING AND BALANCING INSTRUMENT - An orthopedic instrument for knee arthroplasty includes an anterior-posterior sizer assembly, a tensor assembly and a rotation mechanism. The sizer assembly includes a stylus, a sizer body including medial and lateral posterior feet extending substantially perpendicularly from the sizer body, and a sizer slider that can slide relative to the sizer body along a medial-lateral direction relative to a patient's knee. The tensor assembly includes a tensor frame having a central portion, medial and lateral wings extending at an angle from the central portion, and medial and lateral posterior feet extending substantially perpendicularly to the central portion. The rotation mechanism includes a portion coupled to the tensor frame of the tensor assembly and a portion coupled to the sizer body. The rotation mechanism is configured to rotate the medial and lateral posterior feet of the sizer body relative to the tensor frame toward a lateral side of the patient's knee. | 01-23-2014 |
20140031829 | METHOD AND SYSTEM FOR CREATING FRAME OF REFERENCE FOR CAS WITH INERTIAL SENSORS - A digitizer device comprises an elongated body and legs connected to the elongated body. At least one joint is between the legs and the elongated body such that free ends of the legs are displaceable relative to one another. An inertial sensor unit is connected to the elongated body, the inertial sensor unit having a preset orientation aligned with the elongated body. A table reference device comprises a body adapted to be fixed to an operating table. An inertial sensor unit is with a preset orientation related to the operating table. A patient coordinate system comprising orientation data obtained from the inertial sensor units of the digitizer device and the table reference device | 01-30-2014 |
20140039508 | Instrumentation For Recording and Replicating Orthopaedic Implant Orientation - An instrument for recording or replicating the orientation of an adjustable component of an implant with respect to a stem portion of the implant includes a base assembly configured to clamp the stem portion of the implant in a predetermined orientation, and a fixture supported on the base assembly in a predetermined orientation with respect to the base assembly, the fixture including a locking assembly configured to be adjusted in three dimensions and locked in a configuration which angularly locks an alignment tool relative to the fixture in the three dimensions when the alignment tool is engaged with the adjustable component and the adjustable component is operably assembled with the stem portion and the stem portion is clamped by the base assembly. | 02-06-2014 |
20140058400 | INSTRUMENTS AND METHODS FOR INSERTING ARTIFICIAL INTERVERTEBRAL IMPLANTS - Apparatus and methods for preparing a disc space and inserting an intervertebral disc implant therein are disclosed. Among the various instruments disclosed are a midline marker, a reference pin drill and insertion guide, a pin drill guide, a chisel guide, a sizer, a serrated broach, an implant dispenser, and an implant insertion tool. Methods of utilizing these tools are also disclosed. | 02-27-2014 |
20140088607 | MOBILE KYPHOSIS ANGLE MEASUREMENT - A hand-held mobile device configured to measure spinal curves for detecting and analyzing kyphosis. The measuring device is equipped with a detector that can sense the angle of at certain points of the spine by holding an edge of the device against the spine and detecting the angle of inclination of the device. The device can interface with a server for collecting, storing and analyzing several data points collected over time, and providing diagnoses and remedial measures. | 03-27-2014 |
20140107659 | IN SITU ROD MEASURING INSTRUMENT AND METHOD OF USE - An instrument for obtaining spinal rod measurements in situ includes a measurement member, a first indicating member, and a second indicating member. The measurement member measures a length between two spinal implants. The first indicating member couples with the measurement member and includes a first measurement scale coupled with a first shaft for engaging a first spinal implant of the two spinal implants. The second indicating member couples with the measurement member and includes a second measurement scale coupled with a second shaft for engaging a second spinal implant of the two spinal implants. | 04-17-2014 |
20140163572 | MIDLINE REFERENCING FEMORAL SIZING CALIPER - A sizing caliper for facilitating the selection of a femoral component of a knee prosthesis includes a caliper body, two drill guide bodies, a stylus tower configured to be slidably linked to each other wherein as the caliper body and the stylus tower are linearly displaced at an equal rate relative to the drill guide body portions and the drill guide holes remain located at the midpoint of an anterior/posterior dimension defined by the distance between the tip of the stylus and the base portion. The caliper body comprises a base portion configured to couple and decouple from the caliper body using a sliding mechanism. | 06-12-2014 |
20140163573 | DETERMINING AND PLACING SPINAL IMPLANTS OR PROSTHESES - A procedure and system for determining and placing spinal implants or prostheses includes measuring a change in position of vertebrae at an affected level of a patient's spine from a first position where the patient reports greatest pain at the affected level, to a second position where the patient reports least pain at the affected level. Spinal implants or prostheses are selected so as to urge the affected level of the spine toward the second position and away from the first position when the implants are placed at the affected level. In one embodiment, an implant device is formed by one or more inflatable balloons that are placed at determined locations inside a disc space at the affected level. When the balloons are inflated, vertebrae above and below the balloons are urged toward the second position and away from the first position at the affected level. | 06-12-2014 |
20140171955 | Pedicle Depth Measuring Apparatus - A pedicle depth measuring apparatus comprises an outer tubular member comprising a first end and a second end. A head member is joined to the second end. The head member comprises a base surface comprising an opening. An inner member is slidable within the outer tubular member. The inner member comprises a first end and a second end, the second end being slidable through the opening. The second end further comprises a marker disposed at a distal end. The marker comprises a material that is radiographically distinguishable, in which a placement of the marker within a cannulation of a patient's pedicle is observable. An indicator member is operable for indicating a distance between the marker and the base surface, in which the distance indicates a choice of a size of a pedicle screw for mitigating damage to the patient's nerve root. | 06-19-2014 |
20140188121 | SYSTEM FOR DETERMINING THE POSITION OF A KNEE PROSTHESIS - The present application provides an apparatus and method for determining a position of a joint prosthesis using a computer assisted orthopedic surgery system in support of an arthroplasty surgery. The apparatus and method includes attaching a first locatable element to a first bone on one side of a joint, providing a sensor having a second locatable element and moving the sensor in proximity of the joint to locate a plurality of positions of the sensor relative to the first locatable element using a tracking device. The apparatus and method further includes selecting a generic model of a joint, determining the generic model in response to the plurality of positions located using the tracking device to generate a deformed model determining a position for a joint prosthesis on the deformed model, and outputting on a display the determined position upon the deformed model. | 07-03-2014 |
20140222010 | Flexible Depth Probe - An instrument includes a flexible shaft portion and a hook portion. The flexible shaft portion has a proximal end and a distal end and includes markings along an outer surface of the shaft portion. The hook portion is located at the distal end of the shaft portion. The shaft portion and the hook portion define a lumen that terminates in an opening at the hook portion. | 08-07-2014 |
20140243840 | DEVICE AND METHOD OF SPACER AND TRIAL DESIGN DURING JOINT ARTHROPLASTY - A spacer block for gathering data to be used in the balancing of the joint arthroplasty or repair and in the selection of a trial insert which includes a first body piece and a second body piece. A plurality of sensors and a processor are positioned between the first body piece and the second body piece when the pieces are assembled together to form the spacer block. A chim is removably mounted to a top surface of the second body piece, the chim is associated with the plurality of sensors and positioned in relation to the plurality of sensors such that a force exerted on the chim by a weight bearing surface is detected by the plurality of sensors. | 08-28-2014 |
20140276884 | METHODS, SYSTEMS, AND DEVICES FOR GAUGING A BONE TUNNEL - Devices, systems, and methods are provided for gauging a bone tunnel. In one exemplary embodiment, a graft repair system can include an elongate pin, an elongate pusher shaft configured to be positioned over one opposed end of the pin when the pin is positioned within a bone tunnel, and a gauge member configured to be positioned over another opposed end of the pin when the pin is positioned within the bone tunnel. When the pusher shaft abuts the bone adjacent one of the open ends of the bone tunnel and the gauge member abuts the bone adjacent the other open end of the bone tunnel, an indicator mark on the pin can be visible through one or more windows formed in the gauge member. The indicator mark's position relative to each of the one or more windows can indicate one or more characteristics related to the bone tunnel. | 09-18-2014 |
20140276885 | SYSTEM AND METHOD FOR MEASURING MUSCULAR-SKELETAL ALIGNMENT TO A MECHANICAL AXIS - A system and method is disclosed herein for measuring alignment of the muscular-skeletal system. The system comprises a sensored module that can be placed within a prosthetic component to measure load, position of load, and joint alignment. The system further includes a remote system for receiving, processing, and displaying quantitative measurements from the sensors. Alignment relative to a mechanical axis is measured. In a two bone system with a joint therebetween the total alignment measured comprises offsets measured for each bone. The joint is placed in a predetermined flexion that supports measurement of the joint as it is moved. The joint pivots on a point that is along the mechanical axis. Points along the arc made by the joint rotating between a first and second point are measured. An arc maximum is determined. The arc maximum is then converted to varus or valgus offset relative to the mechanical axis. | 09-18-2014 |
20140276886 | REFERENCE POSITION TOOL FOR THE MUSCULAR-SKELETAL SYSTEM AND METHOD THEREFOR - An alignment system for the muscular-skeletal system is disclosed. The system supports parameter measurement and alignment. The system comprises a sensored device, a reference position tool, and a remote system configured to receive and display sensor data. The sensored device includes a three-axis accelerometer configured to measure position, rotation, and slope. The reference position tool comprises a body, a first arm coupled to a proximal end of the body, and a second arms coupled to a proximal end of the body. The sensored device couples to the reference position tool. The first and second arms of the reference position tool couples to the muscular-skeletal system in predetermined locations to allow a position of the muscular-skeletal system to be referenced. The body of the reference position tool can extend and retract to adapt to different sized muscular-skeletal systems. | 09-18-2014 |
20140276887 | SYSTEM FOR SURGICAL INFORMATION AND FEEDBACK DISPLAY - A graphical user interface having a portion of an orthopedic system displayed on an electronic display. Where the graphical user interface displays: a parameter of the orthopedic system; a portion of an orthopedic insert; and a parameter of the orthopedic insert. Where in response to detecting movement of the orthopedic system the displayed portion of the orthopedic system is moved, a change of the parameter of the orthopedic system is displayed, and a change in parameter of the orthopedic insert is displayed. | 09-18-2014 |
20140276888 | METHOD OF PROVIDING FEEDBACK TO AN ORTHOPEDIC ALIGNMENT SYSTEM - A method of providing feedback to a user of an orthopedic alignment system, which displays: a portion of an orthopedic system; a parameter of the orthopedic system; a portion of an orthopedic insert in the display; and a parameter of the orthopedic insert. Where the method detects movement of the orthopedic system, and moves the displayed portion of the orthopedic system in response to the movement of the orthopedic system. Where the method additionally detects changes of the parameter of the orthopedic insert and of the parameter of the orthopedic system during movement of the orthopedic system, and displays the changes of the parameter of the orthopedic insert and the parameter of the orthopedic system. | 09-18-2014 |
20140276889 | PORTABLE SURGICAL GUIDE WITH LASER, ABDUCTION AND ANTEVERSION MEASURING SYSTEM AND METHOD OF USING SAME - Methods, systems and devices for properly positioning and aligning a prosthetic socket and/or prosthetic ball into host bone structure of a patient using one or more guide shown. Guides implemented according to embodiments may utilize in combination digital IC inclinometer and the laser surgical system with calibrated, reflecting dome. | 09-18-2014 |
20140316420 | SURGICAL ROD MEASURING SYSTEM AND METHOD - A system and method for measuring a surgical rod are disclosed. The system includes a processor, a probe in communication with the processor and configured to trace along a surface of the implant, a tracking system in communication with the processor and the probe for generating first data representing at least one of linear and rotational movement of the probe during a first trace along the surface of the implant, wherein the processor is configured to receive the first data and generate a first graphical representation of the implant based on the first data, and a display in communication with said processor for displaying the graphical representation of the implant based on the first data. Various methods are also disclosed. | 10-23-2014 |
20140316421 | METHOD AND TOOL WITH INTEGRATED INCLINOMETER - A tool includes a wrench, an inclinometer integrated with the wrench, and an electronic indicator operatively coupled to the inclinometer. The indicator indicates when a predetermined rotation is met or indicates when a contrary rotation direction is occurring. In another embodiment, a tool can include a shaft for applying a torque, an inclinometer integrated with the shaft, a memory coupled to the inclinometer and a processor communicatively coupled to the memory. The processor performs operations of generating a signal indicating when a predetermined rotation is met or when a contrary rotation direction is occurring. A method of operating the tool can include rotating a member of the tool, indicating when a predetermined rotation is met by rotating the member, and indicating when a contrary rotational direction is occurring by rotating the member in a counter-indicated direction. Additional embodiments are disclosed. | 10-23-2014 |
20140324061 | ACQUIRING CONTACT POSITION PARAMETERS AND DETECTING CONTACT OF A JOINT - The present invention relates to a data processing method of determining a transformation for the relative positions of two body parts which are connected to each other by a joint, the method comprising the following steps:
| 10-30-2014 |
20140330281 | SYSTEM AND METHOD FOR PRECISE PROSTHESIS POSITIONING IN HIP ARTHROPLASTY - Provided are systems and methods for precise intra-operative placement and positioning of components of hip prostheses, particularly with respect to avoiding acetabular prosthetic implant malpositioning in the human hip. In one embodiment the system includes at least a pair of electronic sensors as tilt and direction sensors, which are positioned on the patient's native bone structure and the prosthesis, plus at least one of an electronic angle sensor and an electronic leg length measurement unit, plus a computer processor running application software that is capable of receiving and using information from the various electronic sensors to calculate relevant angular relationships and, optionally, distance relationships. The system electronically measures a living subject's pelvic tilt and position while lying in the lateral decubitus position during the surgery. The systems and methods provide accurate and precise measurements of the subject's pelvic tilt, angle of inclination, and angle of forward flexion to the surgeon during the procedure by which the hip prosthesis is surgically implanted into the subject. | 11-06-2014 |
20140343561 | APPARATUS AND METHOD FOR MEASURING A LENGTH BETWEEN IMPLANTED BONE ANCHORS - An apparatus for measuring a distance between first and second implanted bone anchors includes a caliper body and first and second caliper arms. The caliper body has a first longitudinal axis. The first caliper arm is slidably coupled to the caliper body and has a second longitudinal axis. The second caliper arm is rotatably coupled to the caliper body and has a third longitudinal axis. The first, second and third longitudinal axes define a plane. The second caliper arm is rotatable within the plane between a first position and a second position. | 11-20-2014 |
20140343562 | FEMORAL SIZING INSTRUMENT - A femoral sizing instrument for use in a knee joint replacement procedure has a housing which includes formations by which it can be located relative to the femoral posterior condyles. A cortex arm has a tip for engaging the anterior cortex of the femur and a sulcus arm has a tip for engaging the sulcus. Each of the cortex and sulcus arms can be adjusted relative to the housing to adjust the distance between its tip and the posterior condyles measured generally parallel to the anterior posterior axis. The instrument includes at least one scale for indicating the positions of the tips of the cortex and sulcus arms relative to the posterior condyles. | 11-20-2014 |
20150073426 | NATIVE VERSION ALIGNMENT DEVICES AND METHODS - Devices and methods for aiding practitioners in the implementation of arthroplasty prosthetics. Example devices may include a base and an alignment arm, and may be used for finding and recording the native alignment of a bone head, such as the femoral or humeral head. The base may be attached to the bone and the alignment arm may be adjusted to reflect the native alignment of the bone. Once the alignment is recorded, the native bone head may be removed and the prosthetic bone head may be attached to the bone, and properly oriented using the alignment arm of the device. | 03-12-2015 |
20150080901 | DEVICE AND METHOD FOR ENABLING AN ORTHOPEDIC TOOL FOR PARAMETER MEASUREMENT - A system for enabling and disabling a medical device. The system includes a cradle having a magnet for generating a magnetic field. The cradle supports and aligns the medical device in a predetermined orientation. Medical device placed in the cradle exposes a magnetic sensitive switch to the magnetic field of the magnet that produces a change in state of the magnetic sensitive switch. Medical device further includes a switch, indicator, logic circuitry, delay circuit, and detect circuit for coupling a power source to electronic circuitry. In a first mode of operation the medical device can be turned on and then turned off. In a second mode of operation the medical device cannot be turned off after being turned on. | 03-19-2015 |
20150100061 | CANAL SIZER AND ASSOCIATED METHOD - An instrument for measuring the medullary canal of a long bone in order to determine the proper size for a stem centralizer is provided. The instrument includes an elongated central portion defining opposed first and second ends and a contact portion. The contact portion extends from the first end or the second end of the elongated central portion. The contact portion has a contact area for contact with the medullary canal and defines a relief area for providing clearance between the instrument and the medullary canal. | 04-09-2015 |
20150133944 | ORTHOPAEDIC BONE DEPTH GAUGE AND METHOD - A bone depth gauge having a distal handle to which a tip is releasably connected. The tip is formed by photochemical machining to produce a tip and hook on the distal end with an approximate hexagonal cross section. The manufacturing costs of the tip are low enough to provide it in a one use package. A tubular element is releasably telescoped over the tip and handle to enable determination of the depth of a hole formed in a bone. | 05-14-2015 |
20150133945 | HANDHELD TRACKING SYSTEM AND DEVICES FOR ALIGNING IMPLANT SYSTEMS DURING SURGERY - The present invention discloses handheld tracking systems and devices comprising of at least one handheld tracking device for intra-operative aligning or positioning of surgical implant systems and instruments with reference to the anatomy of a patient. The handheld tracking system further comprises of at least one trackable element. The handheld device is mounted at the proposed implantation site using the holding means while trackable element(s) is/are mounted at predetermined location(s) such that data from said deployed trackable element(s) relating to the position of the patient and the surgical instruments are input continuously into the handheld devices. The handheld device then processes the data on the basis of pre-loaded preoperative scanned images in the processing means to monitor the accurate placement of said implant system onsite in sterile environment. | 05-14-2015 |
20150148809 | DYNAMIC CORPECTOMY CALIPERS AND METHODS OF USE THEREOF - Corpectomy calipers are provided that are capable of measuring both the distance and the angle between two bodies, in particular between two vertebral bodies in an individual. The calipers provided are capable of providing reliable measurements without the need for repeated measurements. The calipers described herein offer a simple and inexpensive solution. Methods of using the calipers are provided, for example, in determining the size and spacing of a void in a corpectomy or intervertebral fusion procedure. | 05-28-2015 |
20150289784 | SCAPULAE POSITION MEASURING DEVICE AND METHOD - A scapulae position measurement device includes a main body extending in the vertical direction, configured to be positioned to run along the spinal column, having a vertical scale, and a moveable arm, extending in a horizontal direction on the right or left side of the main body, having a horizontal scale. The scapulae position measurement device is capable of measuring position changes of the horizontal direction (X axis) and vertical direction (Y axis) of the scapulae, and capable of displaying the tension/relax state of the surrounding muscles of the scapulae with an objective numerical value. | 10-15-2015 |
20150289890 | METHOD AND SYSTEM FOR ACQUIRING ATTITUDE OF ACETABULUM AND FEMORAL HEAD IN REAL TIME DURING HIP JOINT REPLACEMENT PROCEDURE - A method and system for acquiring the attitudes of an acetabulum and a femoral head in real time during an artificial hip joint replacement procedure; during hip joint replacement, a pressure sensor and/or a touch sensor are disposed at each pressure point concerned for a femoral head prosthesis test mould, forming a sensor array ( | 10-15-2015 |
20150313725 | SENSING FORCE DURING PARTIAL OR TOTAL KNEE REPLACEMENT SURGERY - Systems, devices, and methods are provided for measuring forces in the space of a knee during surgery. Such forces can be caused by tension in the ligaments of the knee. A femoral member is engaged with a distal femur. While the knee is flexed, partially extended, or fully extended, a force sensor and a gauge shim can be placed in the gap between the femoral member and the tibial plateau to measure the forces therebetween. The force sensor provides an accurate and quantifiable measurement of force, making knee replacement surgery and ligament tension balancing more accurate, standardized and repeatable. The force sensor comprises an elongate housing which comprises a thin force sensing distal portion and a proximal handle portion. | 11-05-2015 |
20150327942 | ROD CONTOURING ALIGNMENT LINKAGE - Pedicle screws are designed to provide polyaxial coupling to pedicles of a vertebra. Intermediate pieces are attached to the pedicles screws and receive extender shafts. Extenders are inserted in the intermediate piece. The extenders project the anatomic points located in the cage outside the patient's body to facilitate proper contouring of a rod. An alignment linkage is used to ensure that the extenders are parallel to each other. The alignment linkage includes a linkage frame, an articulating linkage and a locking member. The articulating linkage has all rotational degrees of freedom and thereby adapts to any varying trajectories of the extenders and distance between the extenders. The alignment linkage includes a locking member with a pop-up indicator. The pop-up indicator notifies the users when the locking member is tightened with two of the extenders in non-parallel configuration. | 11-19-2015 |
20150328015 | GUIDES FOR FRACTURE SYSTEM - A height measuring tool may include a body member configured to releasably couple to an implant component. A slidable member having a distal end surface may be coupled to the body member. A height reference member may also be coupled to the body member. Movement of the sliding member in a distal direction in relation to the body member may cause corresponding movement of the height reference member in the distal direction when the sliding member is engaged to the height reference member and the height reference member is in an unlocked state. Generally, when an implant component is attached to the height measuring tool, a user may insert the implant component at least partially into a bone, with the slidable member and the height reference member used in conjunction to objectively mark off a height of the implant component relative to the bone. | 11-19-2015 |
20150342516 | DEVICE AND METHOD FOR HIP-KNEE-ANKLE ANGLE VERIFICATION AND FEMORAL MECHANICAL AXIS DIGITIZATION - The disclosed device for verifying a hip-knee-ankle angle includes a mounting base having a planar abutting surface adapted for direct abutting against a resected surface on a distal femur, and a first inertial sensor in communication with a computer assisted surgery (CAS) system to determine an orientation of the mounting base and to digitize a mechanical axis of the femur. A visual alignment guide element is pivotably mounted to the mounting base such that the angular position of the visual alignment guide element is adjustable so as to be visually aligned with a mechanical axis of a tibia. A difference between orientations of the mounting base and the visual alignment guide is calculated by the computer assisted surgery system to determine the hip-knee-ankle angle. The visual alignment guide may include a second inertial sensor and/or a laser emitting element. | 12-03-2015 |
20150351858 | SURGICAL ALIGNMENT SYSTEM, APPARATUS AND METHOD OF USE - A surgical positioning system is provided that includes a radiolucent grid having a plurality of dimensioned radio-opaque lines corresponding to surgical variables and a substrate connect to or integral with the radiolucent grid. This system is used to obtain subject specific data from an image of a subject obtained during a surgical procedure by following the steps of: providing a radiolucent grid having a plurality of dimensioned radio-opaque lines relating to surgical variables; placing the subject on a substrate; and obtaining subject specific data from an image of said subject. This invention related to an apparatus made of a radiolucent grid having a plurality of dimensioned radio-opaque lines relating to surgical variables and a sealable radiolucent container sized to receive the grid. | 12-10-2015 |
20160007909 | SYSTEMS AND METHODS FOR MEASURING PERFORMANCE PARAMETERS RELATED TO ORTHOPEDIC ARTHROPLASTY | 01-14-2016 |
20160008143 | Kinematic Alignment and Novel Femoral and Tibial Prosthetics | 01-14-2016 |
20160051334 | 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. | 02-25-2016 |
20160100905 | SYSTEM AND METHOD FOR INTRAOPERATIVE JOINT CONTACT MECHANICS MEASUREMENT - A method for intraoperatively measuring joint contact mechanics of a patient's joint is provided. The method includes inserting a sensor between first and second bones of a joint. Then a predetermined force is applied to one of the first and second bones. Afterwards, contact mechanics such as, contact stresses, contact areas and/or forces are measured between the first and second bones in response to the applied predetermined force. | 04-14-2016 |
20160106515 | Determining the Positional Information of Characteristic Points of a Leg for Osteotomy - A data processing method for determining the positional information of characteristic points of a leg, the method comprising the following steps performed by a computer: a) acquiring, by detecting via a hand-held device a stationary reference (R | 04-21-2016 |
20160106554 | SYSTEM FOR DETERMINING THE POSITION OF A KNEE PROSTHESIS - The present application provides an apparatus and method for determining a position of a joint prosthesis using a computer assisted orthopedic surgery system in support of an arthroplasty surgery. The apparatus and method includes attaching a first locatable element to a first bone on one side of a joint, providing a sensor having a second locatable element and moving the sensor in proximity of the joint to locate a plurality of positions of the sensor relative to the first locatable element using a tracking devise. The apparatus and method further includes selecting a generic model of a joint, determining the generic model in response to the plurality of positions located using the tracking device to generate a deformed model, determining a position for a joint prosthesis on the deformed model, and outputting on a display the determined position upon the deformed model. | 04-21-2016 |
20160113681 | METHODS AND SYSTEMS FOR ADJUSTING AN EXTERNAL FIXATION FRAME - A tool for implementing a correction plan in an external fixation frame having a plurality of adjustment elements or screws, for example, generally includes a driver, a motor, a controller, and a processor. The driver is adapted to engage and rotate each of the screws. The motor is coupled the driver and adapted to rotate the driver. The controller is connected to the motor and configured to control operation of the motor. The controller may determine whether the tool is engaged with a strut and which strut is engaged, and may determine how much the strut has rotated, taking into account intentional or unintentional manual rotation of the tool. The tool may also include features to help ensure proper engagement between the drive and the strut. Variations may be provided in which similar functionality is provided with manual rotation of a motorless tool. | 04-28-2016 |
20160113784 | SURGICAL CUT VALIDATION TOOL AND METHOD - A method of manufacturing a surgical cut validation tool is discussed. A digital bone representation representing a bone is received including a virtual bone outer surface. At least one cutting plane is positioned intersecting the virtual bone outer surface. A digital tool representation representing the tool is created, including a virtual planar surface corresponding to each cutting plane and a virtual tool outer surface with a virtual border surface portion. The virtual border surface portion extends from a junction between the virtual tool outer surface and each virtual planar surface. At least part of the virtual border surface portion is defined from a corresponding portion of the virtual bone outer surface such as to represent a corresponding portion of the bone outer surface. The tool body is manufactured using the digital tool representation. A tool and a method of validating a cut in a bone are also provided. | 04-28-2016 |
20160128573 | IMPLANTABLE SENSORS AND METHODS OF USE - Systems, methods, and apparatus are described herein for obtaining medical diagnostic measurements from implanted sensors. In various embodiments, a spinal implant-monitoring apparatus may include: a bridge defining a first hermetically-sealed interior and two or more legs; one or more strain gauges contained within the first hermetically-sealed interior of the bridge to provide a signal indicative of strain measured between the legs of the bridge; a housing defining a second hermetically-sealed interior, the housing mounted on a surface of the bridge; and control circuitry contained within the second hermetically-sealed interior. The control circuitry may be in communication with the one or more strain gauges and may be configured to convert the signal into digital data representative of the signal. Methods of using such apparatus are also disclosed. | 05-12-2016 |
20160158028 | MODULAR PROXIMAL BODY TRIAL - A trial system for determining a suitable proximal body implant for hip replacement surgery comprises a separator instrument, a trial body attachable to a distal stem, and an insert. The insert is positioned within the trial body to receive the separator instrument. As the separator instrument is rotated about its axis, a ramp element of the insert guides a pin of the separator instrument, so as to separate the trial body from the distal stem. Additional apparatus, methods, and systems are disclosed. | 06-09-2016 |
20160166351 | Method and System for Identification of a Center of a Patient's Body Part | 06-16-2016 |
20160166408 | SYSTEMS AND METHODS FOR FACILITATING HIP SURGERY | 06-16-2016 |
20160175055 | Digital Tool and Method for Planning Knee Replacement | 06-23-2016 |
20160175115 | ORTHOPEDIC IMPLANT SIZING INSTRUMENTS, SYSTEMS, AND METHODS | 06-23-2016 |
20160192974 | ULTRASONIC DEPTH GAUGE | 07-07-2016 |
20160193007 | Methods, Systems, and Devices For Gauging a Bone Tunnel | 07-07-2016 |
20160249987 | SYSTEMS, METHODS AND DEVICES FOR ANATOMICAL REGISTRATION AND SURGICAL LOCALIZATION | 09-01-2016 |
20160249998 | METHODS FOR BALANCING A JOINT DURING A SURGICAL PROCEDURE | 09-01-2016 |
20170231771 | FEEDBACK FOR PROVIDING ARTIFICIAL BONE FLAP | 08-17-2017 |
20190142527 | Method and System for Computer Assisted Surgery | 05-16-2019 |