Entries |
Document | Title | Date |
20080234688 | Apparatus and Method for Placing an Implant In Vivo - A system and method for placing an implant into or onto supporting bone, or between adjacent bones, without impaction is disclosed. The system includes an implant, a distracter, and a sleeve. Optionally, the invention includes an alignment guide, a surgical navigational tracker, and a bone displacer. The sleeve is structured to interpose the implant and supporting bone and provide a differential engagement force between the sleeve-implant interface and the sleeve-bone interface to preferentially move the implant into, onto or between supporting bone structures. | 09-25-2008 |
20080255568 | ANCILLARY TOOL AND METHOD FOR POSITIONING A PROSTHETIC ACETABULUM OF A HIP PROSTHESIS - The ancillary tool according to the invention comprises a handle for manipulating an acetabulum provided, in its distal part, with a head for gripping the acetabulum and, in its proximal part, with a surface for application of a force of impaction. The tool further comprises at least one added endpiece adapted to be removably connected to the distal end of the handle. This endpiece defines both a face for wedging the acetabulum and an opposite face for interaction of the endpiece with the head of the handle, these faces both being borne by a radially deformable supple ring. | 10-16-2008 |
20080306486 | Surgical Alignment Guide - A surgical alignment guide for hip replacement or revision surgery includes a support ( | 12-11-2008 |
20090099570 | HIP REPLACEMENT IN COMPUTER-ASSISTED SURGERY - A system for calculating a position and orientation of an acetabular cup in computer-assisted surgery comprises a first trackable reference secured to a pelvis, with a frame of reference being associated with the first trackable reference. A device is positionable between a femoral neck and the acetabulum of the pelvis in a known relation, the device having a second trackable reference. Sensors track the trackable references for position and orientation. A position/orientation calculator calculates a position and orientation of the frame of reference and of the device and for determining an orientation of the neck axis with respect to the frame of reference from the known relation at a desired position of the femur. An implant position/orientation calculator provides cup implanting information with respect to the orientation of said neck axis as a function of the tracking for position and orientation of at least the first trackable reference. | 04-16-2009 |
20090192515 | INSERTER FOR MINIMALLY INVASIVE JOINT SURGERY - An acetabular inserter ( | 07-30-2009 |
20090222017 | POSITIONING BRACKET - A positioning bracket for a surgical procedure to assist in determining the correct placement and/or alignment of a surgical device for a patient, said positioning bracket comprising a first arm ( | 09-03-2009 |
20090281547 | SEPARATION DEVICE | 11-12-2009 |
20100016860 | DEPTH GAUGE CUP IMPACTOR - Disclosed apparatus and methods confirm the depth of insertion of an acetabular component in the course of a total Mp replacement using a graduated shaft through a cannulated holder. Embodiments are disclosed including a version integrated into existing instrumentation, and an alternative, disposable version, one per case. All of embodiments confirm appropriate seating of the acetabular component against the inner wall of the acetabulum. Given the hemispherical reaming that is done during acetabular preparation, this would allow for maximal contact between the prosthesis and the host bone. | 01-21-2010 |
20100082035 | CUSTOMIZED PATIENT-SPECIFIC ACETABULAR ORTHOPAEDIC SURGICAL INSTRUMENT AND METHOD OF USE AND FABRICATION - A number of customized patient-specific acetabular orthopaedic surgical instruments are disclosed. A method for fabricating and using such orthopaedic surgical instruments are also disclosed. | 04-01-2010 |
20100121335 | Instrument for Use in Minimally Invasive Surgery - The invention is directed to an instrument for use in minimally invasive hip surgery. In particular, the instrument is useful for both alignment and insertion/impaction of an acetabular shell. Furthermore, the instrument is suitable for assuring the shell is impacted with the proper abduction and version in left or right hips. | 05-13-2010 |
20100137870 | ACETABULAR LINER INSERTER GUIDE - An acetabular liner insertion guide ( | 06-03-2010 |
20100137871 | HIP SURGERY SYSTEMS AND METHODS - Orthopedic systems and methods are provided for use in preparing joints for implants. Specifically, hip preparation systems and methods are disclosed which can include a surgical orientation device. The hip preparation systems and methods can be used, for example, to orient the hip during the procedure, determine the orientation of an anatomical plane or planes, and orient a prosthetic component or components. | 06-03-2010 |
20100152743 | INSTRUMENT FOR GRIPPING A CUP COMPONENT OF A JOINT PROSTHESIS - An instrument for gripping a cup component of an orthopaedic joint prosthesis comprises a drive plate having a spiral track formed on it and at least two jaw members. Each of the jaw members has a formation on it which can engage the spiral track, and a guide in which the jaw member is a sliding fit. The formations on the jaw members cause the jaw members to translate in their respective guides when the drive plate is rotated. | 06-17-2010 |
20100191246 | TOOL AND METHOD FOR IMPLANTING ACETABULAR CUP WITH EXTERNAL SCREW RETENTION FEATURES - A tool and method for implanting an acetabular cup having screw retention features. | 07-29-2010 |
20100274253 | Device and method for achieving accurate positioning of acetabular cup during total hip replacement - A method and device are provided in order to achieve optimal or desired orientation of an acetabular cup for total hip replacement or hip resurfacing. The method and device utilize preoperative medical imaging such as CT or MRI scans, 3D computer modeling and a patient-specific alignment jig created from medical imaging data such as CT or MRI data and computer 3D modeling. The device allows accurate placement of a drill hole to establish an acetabular axis, and placement of an acetabular cup perpendicular to the axis. | 10-28-2010 |
20110015639 | Femoral Acetabular Impingement Guide - An orthopedic device for correcting a femoral bone abnormality includes a patient-specific three-dimensional shell and a patient-specific guiding feature. The shell has an outer surface and an inner bone engagement surface customized in a pre-operating planning stage by computer imaging to closely mate and conform to and substantially cover a femoral head of a patient in only one position. The guiding feature is pre-operatively planned relative to the shell such that when the shell is fitted over the femoral head, the guiding feature can guide a removal tool for removing an abnormality portion of the proximal femur of the patient. | 01-20-2011 |
20110060342 | MEDICAL DEVICE AND METHOD | 03-10-2011 |
20110092979 | ACETABULAR ALIGNMENT GUIDE - An alignment guide for guiding the positioning of an acetabular cup implant includes a body having a first end and a second end. A flange extends from the first end and is adapted to rest on a labrum of an acetabulum. At least a first formation is provided at the second end which is adapted to engage with a transverse acetabular ligament of the acetabulum. A formation for accepting a trackable instrument is provided to allow a tracking system to determine the orientation of the guide. | 04-21-2011 |
20110130763 | PROSTHETIC ACETABULAR CUP INSERTER AND IMPACTOR - A prosthetic acetabular cup inserter and impactor has an expandable annular cup engaging element to engage the inner surface of a cup to be inserted in the acetabulum. An expander is provided for expanding the cup engaging element which is connected to one end of a handle via a hollow or partly hollow extension portion. The other end of the handle is provided with an anvil. An elongate operator is located within the extension portion and connected to the cup engaging element. A device is provided for moving the elongate operator to pull the cup engaging element towards the expander. | 06-02-2011 |
20110152871 | SURGICAL GUIDE SYSTEM USING AN ACTIVE ROBOT ARM - In this invention, there is provided a system which can visually indicate to the surgeon an ideal angle for the acetabular cup during a total hip replacement procedure, wherein the system uses a robotic system which orients an elongated guide at the preferred axis for the acetabular cup. | 06-23-2011 |
20110184423 | INSERTER FOR LOCATING AND IMPACTING AN ACETABULAR CUP - An inserter for locating and impacting an acetabular cup which has an inner bearing surface in a prepared acetabulum. The inserter has a handle carrying an anvil, an impaction head adapted to receive the cup and a retention system for attaching the cup to the inserter. The retention system extends between an actuator in the handle and the impaction head. The actuator is operable to free the retention system from the cup by impacting the anvil. | 07-28-2011 |
20110190775 | Device and method for achieving accurate positioning of acetabular cup during total hip replacement - A method and device are provided in order to achieve desired orientation of an acetabular cup for total hip replacement or hip resurfacing. The method and device utilize preoperative CT, MRI or other scans, 3D computer modeling and a patient specific alignment jig created from CT, MRI or other data and computer 3D modeling. The device allows accurate placement of a drill hole to establish an acetabular axis and placement of an acetabular cup perpendicular to the axis. | 08-04-2011 |
20110208202 | POSITIONING AID IN THE FORM OF A SELF-AFFIXING TEST JIP JOINT SOCKET - The invention relates to a self-fixating trial socket for releasable insertion into a corresponding cavity in a hip bone. The self-fixating trial socket comprises an outer surface, which is matched to the cavity in the hip bone, an inner surface, which is matched to an inlay, especially a trial inlay, and/or to a ball joint head, for receiving the latter in the hip joint socket, especially self-fixating trial socket, and at least one holding element for fixating the hip joint socket in the cavity, the at least one holding element comprising at least one spring element which is constructed in such a way that in the inserted state the spring element exerts, at least in some places, an outwardly directed spring force on the cavity in the hip bone for releasable fixation of the hip joint socket. | 08-25-2011 |
20110224674 | PATIENT-SPECIFIC ACETABULAR ALIGNMENT GUIDES - An acetabular device includes a patient-specific acetabular alignment guide including a bone engagement surface. The bone engagement surface has a first portion configured and shaped to be conforming and complementary to an acetabular rim surface and a second portion configured and shaped to be conforming and complementary to a periacetabular area of an acetabulum of a patient. The acetabular alignment guide includes a plurality of guiding formations extending through the second portion for guiding a plurality of alignment pins therethrough. The bone engagement surface and the plurality of guiding formations are prepared from a three-dimensional model of the acetabulum of the specific patient reconstructed pre-operatively from a scan of the patient. | 09-15-2011 |
20110245837 | INSERTION INSTRUMENT FOR INSERTING SOCKET INSERTS INTO THE SPHERICAL RECESSES OF HIP SOCKETS - An insertion instrument for hip endoprosthetics for inserting socket inserts into endoprosthetic hip sockets having holding claws which are connected to a substantially ring-shaped support element through spring elements, wherein the insertion instrument can be placed on the socket insert and can be connected to said socket insert through the holding claws. In order for the user to receive direct palpatory information about the events in the operation areas and to not suffer a perceived loss of control, it is proposed that the support element surround a freely accessible, substantially circular effective insertion area, the center point of which is located on the longitudinal axis of the insertion instrument. | 10-06-2011 |
20110276053 | METHOD OF USING AN ALIGNMENT GUIDE - A method of aligning an alignment guide relative to a reamed acetabulum of a patient is provided. The method includes the step of manipulating an alignment guide comprising a shaft having a longitudinal axis and a guide arm having a first portion, a second portion and a third portion, the first portion attached to the shaft and configured to be rotatable about a first axis substantially perpendicular to the longitudinal axis, the second portion extending from the first portion at a first predetermined angle along a second axis, and the third portion extending from the second portion at a second predetermined angle. The guide arm is rotated about the first axis relative to the shaft. A cup or trial is attached to the distal end of the shaft and positioned to contact the reamed acetabulum. The third portion of the guide arm is then oriented with respect to the long axis of the patient and the surface of the table on which the patient is positioned. | 11-10-2011 |
20110313424 | PATIENT-SPECIFIC TOTAL HIP ARTHROPLASTY - Disclosed herein are systems and methods for performing total hip arthroplasty with patient-specific guides Pre-operative images of a pelvic region of a patient are taken in order to predefine the structure of the guides and corresponding implants. From the obtained image data an insertional vector for implanting an acetabular implant or component into an acetabulum of the patient is determined, wherein the insertional vector is coaxial with a polar axis of the acetabular component. Also from the obtained image data, a superior surface of the guides and implants can be shaped to match the acetabulum of the patient. A nub portion extending outwardly from the superior surface of the guides and implants is shaped to substantially match the shape of a fovea of the acetabulum. A guide portion of the guides forming a slot has a longitudinal axis coaxial with the determined insertional vector of a corresponding acetabular component. | 12-22-2011 |
20120109138 | PATIENT-SPECIFIC ACETABULAR GUIDE AND METHOD - A method for inserting an acetabular cup into an acetabulum of a patient includes inspecting a preoperative plan including a three-dimensional image of a patient's acetabulum, selecting at least one of a patient-specific anteversion angle and a patient-specific abduction angle, and approving the preoperative plan. The method also includes preparing the patient's acetabulum for implantation, positioning a patient-specific first surface of an acetabular guide around a matched acetabular rim surface of the patient, and inserting an acetabular cup through an opening of the acetabular guide, the opening having a cylindrical inner surface oriented at the selected at least one of the patient-specific anteversion angle and patient-specific abduction angle. | 05-03-2012 |
20120116408 | Arthroscopic Joint Repair - The present disclosure relates to a guide. The guide includes a handle and a shaft coupled to the handle, the shaft including a lip located at a distance from the longitudinal axis of the shaft and extending a distance from an end of the shaft. A method of tissue repair is also disclosed. | 05-10-2012 |
20120136360 | PROSTHETIC ACETABULAR CUP INSERTER AND IMPACTOR - A prosthetic acetabular cup inserter and impactor has a body, and a cup engaging element disposed at a first end of the body and adapted to engage an inner surface of a cup with which it is used via outward biasing of the cup engaging element. The cup engaging element increases in cross-sectional area from an inner end thereof to a fullest transverse section, and decreases in cross-sectional area from said fullest transverse section to an outer end thereof. The cup engaging element has a tapered central bore engaged by a conically tapered actuation element moveable in the bore. The cup engaging element has a slot therethrough allowing the element to resiliently expand on movement of the actuator in the bore. | 05-31-2012 |
20120136361 | ACETABULAR CUP INSERTER AND IMPACTOR - A prosthetic acetabular cup inserter and impactor has a body, a cup engaging element disposed at a first end of the body which is adapted to engage an inner surface of a cup with which it is used. An operating system is adapted to axially rotate the cup engaging element in relation to the body in use. An impaction plate that is adapted to engage an undulating rim of the cup is disposed between the body and the cup engaging element. The impaction plate is connected to the operating system by a linkage which acts to axially rotate the impaction plate in unison with the cup engaging element in use. | 05-31-2012 |
20120172884 | METHODS AND DEVICES FOR PATIENT-SPECIFIC ACETABULAR COMPONENT ALIGNMENT IN TOTAL HIP ARTHROPLASTY - An acetabular component alignment device for total hip arthroplasty comprises a calibration component ( | 07-05-2012 |
20120184963 | Straight Cup Impactor - A surgical tool device for effecting implantation of an implant such as an acetabular cup during a hip replacement surgery is described. The surgical tool holder has a strike plate, a body, a proximal fixed handle, a distal rotate handle, an insert handle with threads, an impactor head, a shaft, the shaft pin, a shaft ring, and a spring. In use, when a surgical implant device is threaded onto the shaft, the surgeon merely rotates the assembly comprising the distal rotate handle and the insert handle with threads in one direction, which causes a distal threaded area of the shaft to rotate in a second, opposite direction to act as a lock-nut for the surgical implant. This movement simultaneously pulls the shaft toward the surgical tool holder proximal end. The pulling motion ensures the surgical implant device is positioned against the impactor head's contacting surface to provide a rigid assembly for good tactile feel during the implantation of the cup. | 07-19-2012 |
20120184964 | ADAPTER FOR EXPLANT SYSTEM - The present disclosure provides an improved osteotome instrument for removing an acetabular cup from an acetabulum, including an explant adapter connectable to an elongated handle shaft of the instrument. The explant adapter is sized and shaped to connect any one of a set of a plurality of different sized interchangeable pivot elements, such as spherical heads, to the osteotome instrument for use in removing the acetabular cup from the acetabulum. The pivot heads may be relatively large diameter pivot heads. | 07-19-2012 |
20120209277 | Depth of Impaction - A method for determining a depth of impaction of a prosthetic cup into an acetabulum using an end effector and a movable impactor shaft is provided, wherein the prosthetic cup may be positioned at a distal end of the impactor shaft. The method may position the distal end of the impactor shaft at a known pose relative to the end effector, track a spatial pose of the end effector relative to a spatial pose of the acetabulum, determine a spatial pose of the prosthetic cup based on the spatial pose of the end effector and the known pose between the distal end of the impactor shaft and the end effector, and determine the depth of impaction based on the spatial pose of the prosthetic cup and the spatial pose of the acetabulum. | 08-16-2012 |
20120277752 | USE OF MICRO- AND MINIATURE POSITION SENSING DEVICES FOR USE IN TKA AND THA - A system for assisting in a surgical process, comprising: (a) a surgical device taken from a group consisting of a surgical tool and a surgical implant; (b) a positional sensor carried by the surgical device, the positional sensor including a wireless transmitter and associated circuitry for transmitting sensor data from the transmitter; and (c) a computer system including a wireless receiver and signal conditioning circuitry and hardware for converting sensor data received by the wireless receiver into at least one of (i) audio feedback of positional information for the surgical device and (ii) visual feedback of positional information for the surgical device. | 11-01-2012 |
20120303035 | GUIDING INSTRUMENTS AND IMPACTORS FOR AN ACETABULAR CUP IMPLANT, COMBINATIONS THEREOF, METHODS FOR MANUFACTURING AND USES THEREOF - The invention relates to guiding instruments ( | 11-29-2012 |
20120316569 | INSTRUMENT FOR POSITIONING A CUP COMPONENT OF AN ORTHOPAEDIC JOINT PROSTHESIS - An instrument for positioning a cup component of an orthopaedic joint prosthesis includes a shaft, a housing attached to the distal end of the shaft, at least two flange portions carried on the shaft on which the cup component can be fixed, and a unitary spring element disposed about the shaft axis and disposed between the at least two flange portions and the axis of the shaft. The housing includes a base plate and extends from the shaft transversely relative to the shaft axis. The at least two flange portions can move relative to the base plate in a direction transverse to the shaft axis between an in-use position, where at least a portion of each of the at least two flange portions contacts the inner surface of the cup component, and a retracted position where the at least a portion of each of the at least two flange portions is moved towards the shaft axis so as to allow the cup component to be released from the instrument. The spring element biases each of the at least two flange portions towards the in-use position. | 12-13-2012 |
20120323247 | SURGICAL ALIGNMENT USING REFERENCES - Methods, systems, and apparatus, including computer-readable storage media, for surgical alignment using references. In one general aspect, a method includes coupling a guide to a joint, the guide defining an axis and having an outer contour formed to substantially conform to a portion of the joint. The first reference is attached at a fixed position relative to the joint. A positioning system is used to determine a position of the axis relative to the first reference, where the position of the axis is determined based upon the position of the guide while the guide is coupled to the joint. The guide is removed from the joint, and after the guide is removed from the joint, an instrument is positioned relative to the axis based on a position of a second reference relative to the first reference. | 12-20-2012 |
20120330319 | ALIGNMENT GUIDE WITH SPIRIT LEVEL - An alignment guide is described that includes a shaft having a longitudinal axis and a housing attachable to the shaft and rotatable about a first axis that is substantially perpendicular to the longitudinal axis. A guide arm the extends from the housing at a predetermined angle along a second axis. A spirit level is connected to the housing on a plane aligned with the predetermined angle. | 12-27-2012 |
20130006255 | METHOD AND APPARATUS FOR DETERMINING ACETABULAR COMPONENT POSITIONING - An instrument for establishing orientation of a pelvic prosthesis comprises a tripod having an angularly adjustable guide rod on it. The tips of the legs define a plane, and the guide rod is set by the surgeon to a defined orientation with respect to this plane on the basis of preoperative studies. In use, two of the legs of the instrument are positioned by the surgeon at defined anatomical locations on the pelvis (e.g., a point in the region of the posterior/inferior acetabulum and a point on the anterior superior iliac spine). The third leg then lands on the pelvis at a point determined by the position of the first two points, as well as by the separations between the third leg and the other two legs. The position of the guide rod then defines with respect to the actual pelvis the direction for insertion of a prosthesis. | 01-03-2013 |
20130046310 | METHOD FOR ORIENTING AN ACETUBULAR CUP AND INSTRUMENTS FOR USE THEREWITH - A patient-specific acetabular guide for use in orienting an acetabular component with respect to an acetabulum of a patient as part of a surgical procedure includes a body having a bottom contact surface that has a portion that is shaped and configured to initimately receive and interlockingly mate with an acetabular notch of the patient's acetabulum in accordance with a three-dimensional image of the acetabulum of the specific patient. The three-dimensional image can be in the form of a three-dimensional virtual model of the patient's acetabulum that is constructed at least in part on 3D image data of the pelvic region of the patient. | 02-21-2013 |
20130053856 | PRECISION HIP REPLACEMENT METHOD - A method for accurately positioning the acetabular cup in a minimally invasive total hip arthroplasty (THA), comprising the steps of (a) placing the cup in roughly the correct position in the acetabulum using a acetabular component placement tool, (b) taking a first abduction reading and a first anteversion reading using a gyroscopic positioning unit aligned with the acetabular component placement tool, (c) taking an image of at least a portion of the cup using a radiography unit, (d) using the image to determine the actual orientation of the cup and required position of the cup to properly orient the acetabular component, (e) incrementally altering the position of the cup by using a striking tool, (f) taking new abduction and anteversion readings using the gyroscopic unit to determine the relative movement of the cup caused by the tapping, and (g) repeating any of the steps as necessary. | 02-28-2013 |
20130053857 | INSIDE-OUT GUIDE FOR HIP REPLACEMENT METHOD - A tool and method for locating a proper position for a portal incision for hip arthroplasty, the tool being a tubular body having a first portion defining a first axis, a second portion defining a second axis non-parallel to the first axis, the second portion having a directional tool and a lead coaxially aligned, wherein when the tubular body is placed adjacent to an acetabulum with the directional tool aimed at the acetabulum and perpendicular to a plane of the face of the acetabulum, the lead points to location on the skin that would be the proper location for the portal incision. The lead may have a blunt tip, a cutting instrument, or an opening through which a flexible tool can be inserted to forge a path towards the proper location for the portal incision. | 02-28-2013 |
20130053858 | PRECISE HIP COMPONENT POSITIONING FOR HIP REPLACEMENT SURGERY - A device for accurately positioning the acetabular cup in a minimally invasive total hip arthroplasty (THA), comprising the steps of (a) placing the cup in roughly the correct position in the acetabulum using a acetabular component placement tool, (b) taking a first abduction reading and a first anteversion reading using a gyroscopic positioning unit aligned with the acetabular component placement tool, (c) taking an image of at least a portion of the cup using a radiography unit, (d) using the image to determine the actual orientation of the cup and required position of the cup to properly orient the acetabular component, (e) incrementally altering the position of the cup by using a striking tool, (f) taking new abduction and anteversion readings using the gyroscopic unit to determine the relative movement of the cup caused by the tapping, and (g) repeating any of the steps as necessary. | 02-28-2013 |
20130053859 | TELESCOPIC GUIDE FOR HIP REPLACEMENT METHOD - A tool and method for locating a proper position for a portal incision for hip arthroplasty, the tool having at least one generally straight body defining an axis, the generally straight body having a slot at one end, the slot being angled at an approximately 45 degree angle relative to the axis of the generally straight body, the slot configured to receive a cutting member or guide tool. A second generally straight body may be connected to the first generally straight body to form a right angle. If the lengths of the two generally straight bodies are substantially equivalent, then when the second generally straight body is inserted into the acetabulum, the first generally straight body positions the slot in the proper location such that sliding a guide tool or cutting member through the slot allows a portal incision to be created in the proper location. In some embodiments, the generally straight bodies may have adjustable lengths. | 02-28-2013 |
20130066322 | SURGICAL POSITIONING APPARATUS - A surgical positioning apparatus ( | 03-14-2013 |
20130066323 | Method And Apparatus For Aligning And Securing An Implant Relative To A Patient - A surgical apparatus includes an orientation sensor that detects an actual orientation of a surgical tool. The apparatus also includes a tactile orientation feedback device that selectively provides a tactile orientation feedback signal. Moreover, the apparatus includes a controller that causes the tactile orientation feedback device to provide the tactile orientation feedback signal when the actual orientation of the surgical tool detected by the orientation sensor is substantially equal to a predetermined target orientation of the surgical tool. | 03-14-2013 |
20130072940 | POSITION OF HIP JOINT PROSTHESES - Apparatus for guiding a shaping tool for shaping an acetabulum comprises locating means ( | 03-21-2013 |
20130079785 | Ceramic Implant Holder - An orthopedic prosthetic impactor used for the implantation of double mobility cup implants is described. The impactor consists of a drive train, a C-shaped housing, and a prosthetic cup engaging subassembly. The subassembly comprises an impaction plate, a primary cup contacting member, a secondary cup contacting member and a wedging assembly. The primary and secondary cup contacting members, contactable with an interior surface of the prosthetic cup implant. When activated by the drive train, the wedging assembly moves in a proximal direction towards the impaction plate, positioning the wedging assembly in a contactable relationship with the primary and secondary members thereby preventing the members and a connected prosthetic implant cup from moving during implantation. | 03-28-2013 |
20130110114 | DEVICE AND METHOD FOR DETERMINING PROPER SEATING OF AN ORTHOPAEDIC PROSTHESIS | 05-02-2013 |
20130158558 | INSERTION INSTRUMENT FOR INSERTING SOCKET INSETS INTO HIP SOCKETS FOR HIP ENDOPROSTHESES - An insertion instrument for instrumented insertion of a socket inset ( | 06-20-2013 |
20130165941 | GUIDE FOR ACETABULAR COMPONENT POSITIONING - Apparatus for aligning a surgical instrument, such as an acetabular cup inserter, with a direction guide that defines an orientation in space for insertion of the cup. The apparatus comprises a parallel guide having a first arm for alignment with the direction guide and a second arm spaced from the first arm but maintained in parallel relationship with it. The cup inserter can be aligned with the first arm by aligning it with the second arm. | 06-27-2013 |
20130190770 | Instrument for use in minimally invasive surgery - An instrument for use in minimally invasive hip surgery, the instrument being for use in forming and using a portal incision in a hip arthroplasty procedure to implant an acetabular implant. In particular, the instrument is useful for both alignment and insertion/impaction of an acetabular shell. Furthermore, the instrument is suitable for assuring the shell is impacted with the proper abduction and version in left or right hips. | 07-25-2013 |
20130226186 | Straight Cup Impactor - An orthopedic impactor device for positioning an orthopedic prosthetic cup implant during a hip replacement surgery is described. The impactor is designed with a “one piece” elongated body portion, having a distal prosthetic cup engagement portion which is separated from a proximal strike plate by an elongated body and handle portions. A connection rod, connectable to an orthopedic prosthetic cup, is positioned longitudinally within the through-bores of the body and handle portions. A lever arm, having a linkage member, is pivotally connected to the rod such that when the lever arm is pivoted towards the exterior surface of the annular sidewall of the handle portion, the distal end of the rod moves within the body portion. | 08-29-2013 |
20130231672 | METHOD AND SYSTEM FOR TRACKING OBJECTS IN COMPUTER-ASSISTED SURGERY - A computer-assisted surgery system comprises instruments adapted to be used to perform tasks related to surgery. A reference device is in a fixed relation to a bone. A rotating magnet creates a magnetic field plane, the rotating magnet being connected to one of the instrument and the reference device. A magnetometer on the other of the instrument and the reference device produces signals as a function of at least its orientation relative to the magnetic field plane. A processing unit tracks said orientation of the instrument relative to the bone using said signals from the magnetometer subjected to the magnetic field plane. | 09-05-2013 |
20130245631 | SURGICAL GUIDES - A surgical guide can include a first portion comprising an outer surface configured to conform to a portion of an acetabulum of a particular patient. The first portion can be configured to accommodate the ligamentum teres of the patient. The surgical guide can be configured to receive a second portion that includes an alignment portion defining an alignment axis such that when the surgical guide is coupled to the acetabulum, the alignment axis is oriented at a predetermined orientation relative to the acetabulum. The second portion can include a depth-limiting feature configured to limit insertion of a guide rod along the axis to a patient-specific insertion depth. | 09-19-2013 |
20130261632 | SURGICAL INSTRUMENT AND METHOD OF POSITIONING AN ACETABULAR PROSTHETIC COMPONENT - An orthopaedic surgical instrument for positioning an acetabular prosthetic component in a patient's surgically-prepared acetabulum includes a surgical tool configured to be coupled to the acetabular prosthetic component, and a gravity-based position indicator removably coupled to the surgical tool. The position indicator includes a first marking indicating a first position of the acetabular prosthetic component, and a second marking indicating a second position. | 10-03-2013 |
20130261633 | COMPUTER-GUIDED SYSTEM FOR ORIENTING A PROSTHETIC ACETABULAR CUP IN THE ACETABULUM DURING TOTAL HIP REPLACEMENT SURGERY - A computer-guided system for orienting an insert during a surgical procedure, the computer-guided system comprising: | 10-03-2013 |
20130282014 | METHOD FOR PLANNING POSITIONING OF A BALL JOINT PROSTHESIS - The present invention relates to a method for planning the positioning of a ball joint prosthesis, in particular a hip joint prosthesis, wherein the prosthesis includes a stem and a cup and the method comprises the following steps: determining the geometric shape of the joint socket, particular the acetabulum, and the geometric shape of the cup which is to be placed; defining target areas where the cup has to abut the bony structure of the joint socket, in particular the acetabulum, in order for the cup to be sufficiently fixed; determining actual areas of the cup which will abut the bony structure of the joint socket, in particular the acetabulum, when the cup is placed; defining a requirement for the position and/or orientation of the cup on the basis of the position and/or size of the target areas and/or actual areas. The present invention also relates to a method for optimising the positioning of a ball joint prosthesis, in particular a hip joint prosthesis, wherein the prosthesis includes a stem and a cup and the method comprises the following steps: defining at least one requirement for the position and/or orientation of the cup; calculating an optimum position and/or orientation of the cup on the basis of all the defined requirements being fulfilled. | 10-24-2013 |
20130304072 | PROSTHETIC ACETABULAR CUP INSERTER AND IMPACTOR - A prosthetic acetabular cup inserter and impactor has an expandable annular cup engaging element to engage the inner surface of a cup to be inserted in the acetabulum. An expander is provided for expanding the cup engaging element which is connected to one end of a handle via a hollow or partly hollow extension portion. The other end of the handle is provided with an anvil. An elongate operator is located within the extension portion and connected to the cup engaging element. A device is provided for moving the elongate operator to pull the cup engaging element towards the expander. | 11-14-2013 |
20140052137 | PATIENT-MATCHED ACETABULAR ALIGNMENT TOOL - Systems, devices, and methods are provided for aligning acetabular implants. A patient-matched acetabular alignment tool is used to orient tools and implants intraoperatively. The patient-matched acetabular alignment tool includes a mounting member and leg members which are configured based on the particular patient's anatomic landmark sites (e.g., acetabular bony landmarks). The leg members are attached to the mounting member and configured to connect with a respective anatomic landmark site to achieve a desired implant angle and axis. For example, the leg members may form a tripod support base through which an acetabular shell may be inserted into the patient's acetabulum at desired angles of version and inclination. In some embodiments, the leg members may be retractable and expandable with respect to the mounting member, thereby providing a tool with reduced profile for inserting the device in the patient's soft tissue. | 02-20-2014 |
20140081278 | ACETABULAR CUP INSERTER HANDLE - Disclosed is an acetabular positioning and insertion instrument. Additionally, a method of positioning an acetabular prosthesis with an insertion instrument is disclosed. The positioning instrument can include engaging members to contact an acetabular prosthesis and holding it relative to a portion of the instrument for both rotational and positioning of the prosthesis. | 03-20-2014 |
20140088603 | ACETABULAR ORTHOPAEDIC SURGICAL INSTRUMENT AND METHOD OF USING SAME - A method of reproducing a central axis of a femoral neck prior to resection during an implantation process includes the step of attaching a frame to the acetabulum of a patient, wherein the frame includes first and second movable arms and a lockable swivel bearing. The method further includes the steps of orienting and locking the swivel bearing in position and utilizing the position of the swivel bearing to position acetabular instrumentation to match a planned acetabular implant orientation. | 03-27-2014 |
20140094816 | Patient-Specific Shoulder Guide - A method for inserting an acetabular implant into the acetabulum of a patient. The method includes engaging a patient-specific surface of acetabular alignment guide to a complementary rim surface and periacetabular area of a patient. A plurality of alignment pins are inserted through corresponding alignment apertures of the acetabular alignment guide and into the periacetabular area of the patient. The acetabular alignment guide is removed without removing the alignment pins from the patient. An alignment adapter is coupled to an acetabular inserter over the alignment pins and an acetabular implant is implanted using the acetabular inserter. | 04-03-2014 |
20140100579 | PROSTHESIS GUIDE COMPRISING PATIENT-MATCHED FEATURES - Disclosed herein are systems, devices, and methods for guiding placement, orientation, and fixation of an orthopedic implant. Examples include a surgical guide having a first surface structured to fit within a prosthetic cup, at least one guide hole through the first surface, and an alignment structure having a contour formed from data indicative of the patient anatomy. The contour of the alignment surface is complementary to a portion of the patient anatomy in a unique orientation that aligns the guide hole with tissue suitable for receiving a fastener. The alignment structure preferably includes an arm with a first end coupled to a rim of the guide and a second end coupled to the contour. In certain implementations, the guide includes a plurality of alignment structures. Further disclosed are methods of making and using a surgical guide for aligning an orthopedic implant. | 04-10-2014 |
20140114321 | Method And Apparatus For Implanting A Prosthesis - Disclosed is a system for engaging and holding a prosthesis both axially and rotationally relative to an inserter assembly. The inserter assembly can engage an acetabular prosthesis in a selected position, such as axially, with a first portion and then or subsequently engage the acetabular prosthesis with a second portion in a rotationally fixed manner. The acetabular prosthesis can then be inserted into a prepared acetabulum according to a disclosed method with the inserter assembly. The inserter assembly can then be removed from the acetabular prosthesis to allow for reduction of a femur. | 04-24-2014 |
20140135777 | MEDICAL DEVICE AND METHOD - A device for attaching to an object including a portion attached to an object, and a vacuum generating means for generating a vacuum between the object and the portion, to thereby attaching the object to the device. | 05-15-2014 |
20140163564 | Patient-Specific Acetabular Guide For Anterior Approach - An orthopedic device includes a patient-specific acetabular guide that can be used for preparing an acetabulum of a patient to receive an acetabular implant. The acetabular guide has a dome-shaped body with a peripheral annular rim and an outer three-dimensional surface configured to match an acetabulum of a specific patient's hip joint from three-dimensional medical images of the patient's hip joint. A patient-specific registration guide is removably attached to the peripheral rim and has a longitudinal bore defining a patient-specific alignment axis with an alignment orientation configured for guiding an acetabular implant for the patient. The registration guide has a patient-specific undersurface configured to mate with a corresponding surface of periacetabular surface of the acetabulum of the patient. | 06-12-2014 |
20140163565 | Patient-Specific Acetabular Guide For Anterior Approach - An orthopedic device includes a patient-specific acetabular guide that can be used for preparing an acetabulum of a patient to receive an acetabular implant. The acetabular guide has a body with an outer three-dimensional surface configured to match an acetabulum of a specific patient's hip joint designed from data of the patient's hip joint. The acetabular guide can further include a peripheral annular rim. | 06-12-2014 |
20140236160 | APPARATUS AND METHOD FOR AIDING VISUALIZATION AND/OR PLACING A LANDMARK DURING A SURGICAL PROCEDURE - An apparatus for aiding visualization of a prosthetic implant and concurrently landmarking a patient tissue includes a center post having proximal and distal post ends longitudinally separated by a post body. The post body defines a post axis coaxially therewith. An implant emulator embodies a reference feature of a prosthetic implant. The implant emulator is carried on an outer surface of the center post at a predetermined longitudinal spacing from the distal post end. A guiding device is removably attached to the implant emulator. The guiding device includes an attachment structure attached to the implant emulator. A spacing arm is connected to the attachment structure and extends laterally outward from the post axis. A landmark guiding structure is connected to the spacing arm, spaced apart from the center post, and embodies at least one of a location and a trajectory for placement of a landmark. | 08-21-2014 |
20140249535 | ACETABULAR CUP POSITIONING DEVICE - An acetabular trialing system has a trial cup including a body comprising an outer surface, a part-spherical inner surface and a rim extending between the inner and outer surface with a plurality of spaced inwardly resiliently deflectable rim members each connected at a first end to the body outer surface. The part-spherical inner surface has a plurality of spaced resilient deflectable bearing members each forming part of the body part-spherical inner surface. The bearing members have a first end deflectable towards the body outer surface. Upon inward deflection, one of the plurality of deflectable rim members is capable of contacting the first end of a corresponding one of the plurality of deflectable bearing members and moving the bearing member towards the body outer surface and into contact an electrical signaling device mounted on the body intermediate the outer surface thereof and the deflectable bearing member. | 09-04-2014 |
20140276870 | Universal Acetabular Guide And Associated Hardware - An orthopedic device includes a patient-specific acetabular guide that may be used for preparing an acetabulum of a patient to receive an acetabular implant. The acetabular guide has a body with an outer three-dimensional surface configured to match an acetabulum of a specific patient's hip joint designed from data of the patient's hip joint. The acetabular guide may further include a peripheral annular rim. | 09-18-2014 |
20140276871 | ACETABULAR CUP PROSTHESIS ALIGNMENT SYSTEM AND METHOD - Technologies for aligning an acetabular prosthetic component in a patient's surgically prepared acetabulum are disclosed. The disclosed technologies include a reference sensor module securable to the patient's bony anatomy, an inserter sensor module securable to an acetabular prosthetic component inserter, and a display module. Each sensor module generates sensor data indicative of the orientation of the sensor module and/or structures to which the sensor module is coupled. The display module receives the sensor data from the sensor modules, determines the orientation of the acetabular prosthetic component relative to the patient's bony anatomy, and displays indicia of the determined orientation on a display. | 09-18-2014 |
20140276872 | CUSTOMIZED ACETABULAR CUP POSITIONING GUIDE AND SYSTEM AND METHOD OF GENERATING AND EMPLOYING SUCH A GUIDE - Implementations described and claimed herein provide an arthroplasty system positioning an acetabular cup implant. In one implementation, the system includes a shape-match hip guide having a patient specific mating region that is a negative of the surface contour of the inside surface of the patient's acetabular cup, and a directional rod that extends generally along the axis of the patient's femoral head and femoral neck. They system can additionally include an outrigger or silo device to aid in the alignment of surgical tools for preparing and implanting of the prosthetic acetabular cup in the patient's acetabular cup. Related methods are also disclosed herein for generating a shape-match guide and implanting an acetabular cup with the guide. | 09-18-2014 |
20140276873 | Guide Alignment System And Method - An orthopedic device includes a patient-specific acetabular guide that can be used for preparing an acetabulum of a patient to receive an acetabular implant and/or placement of an acetabular prosthesis. The acetabular guide has a body with an outer three-dimensional surface configured to match an acetabulum of a specific patient's hip joint designed from data of the patient's hip joint. The acetabular guide can further include a peripheral annular rim. | 09-18-2014 |
20140276874 | ACETABULAR CUP IMPACTOR - An acetabular cup impactor for surgery. The impactor has a handle, a bow arm and a prehension fastener secured to the bow arm opposite the handle. An elongated spine extends within the length of the bow arm between the handle and the prehension fastener. In use, the elongated spine rotates with respect to the bow arm and causes corresponding rotation of the prehension fastener with respect to the bow arm. | 09-18-2014 |
20140303631 | METHOD AND APPARATUS FOR DETERMINING THE ORIENTATION AND/OR POSITION OF AN OBJECT DURING A MEDICAL PROCEDURE - A computer-guided system for determining the disposition of an object, the computer-guided system comprising:
| 10-09-2014 |
20140336660 | PATIENT-MATCHED GUIDES FOR ORTHOPEDIC IMPLANTS - Systems, devices, and methods are provided for implanting and aligning orthopedic implants. A patient-matched alignment guide is used to orient tools and implants intraoperatively. In certain embodiments, the systems, devices, and methods include an orthopedic guide comprising a body having a bottom surface, wherein at least a portion of the bottom surface has predetermined surface characteristics that correspond to respective characteristics of a patient's bony anatomy, and a pliable flange that extends from the bottom surface and is shaped to be received within an undercut of an implant to releasably couple the orthopedic guide to the implant. | 11-13-2014 |
20140336661 | ANATOMIC SOCKET ALIGNMENT GUIDE AND METHODS OF MAKING AND USING SAME - This disclosure provides an anatomic socket alignment guide set, for total hip replacement arthroplasty. The guide set is created from patient-specific medical images, allowing the guide set components to recreate the native center of rotation of a patient's hip joint, thereby permitting accurate placement of the hip replacement prosthesis. | 11-13-2014 |
20140358151 | METHOD AND APPARATUS FOR PERFORMING ANTERIOR HIP SURGERY - An apparatus registers a patient's pelvis during surgery by establishing a patient-specific, supine pelvic reference plane. The apparatus may include an elongated support arm having three legs, at least two of which may be moveable along the arm. The first leg may contact the patient's right anterior superior iliac spines (ASIS), the second leg may contact the left ASIS, and the third leg may contact an anterior aspect of the ischium of the patient's pelvis below the acetabulum of the hip being operated on. The distances between the first leg and the second and third legs may be determined preoperatively so that the legs dock to the desired points. The apparatus may further include a direction indicator configured to point in a desired orientation for inserting an acetabular cup component in the patient's acetabulum. | 12-04-2014 |
20140364858 | ACETABULAR CUP PROSTHESIS POSITIONING INSTRUMENT AND METHOD - A method for assisting in positioning the acetabular cup comprises orienting a cup positioning instrument with a cup thereon in an initial reference orientation relative to an acetabulum of a pelvis with the cup forming a joint with the acetabulum, the cup positioning instrument comprising an inertial sensor unit with pre-planned orientation data for a desired cup orientation based on at least one landmark of the pelvis, The cup positioning instrument is rotated to a desired abduction angle as guided by an interface of the cup positioning instrument, based on movements relative to at least one landmark. The cup positioning instrument is rotated to a desired anteversion angle as guided by the interface of the cup positioning instrument, based on movements relative to the at least one landmark. Upon reaching the desired cup orientation as indicated by the interface, the cup is impacted into the acetabulum. | 12-11-2014 |
20140378984 | ALIGNMENT GUIDE WITH SPIRIT LEVEL - An alignment guide is described that includes a shaft having a longitudinal axis and a housing attachable to the shaft and rotatable about a first axis that is substantially perpendicular to the longitudinal axis. A guide arm the extends from the housing at a predetermined angle along a second axis. A spirit level is connected to the housing on a plane aligned with the predetermined angle. | 12-25-2014 |
20150018833 | Cup Impactor - An orthopedic cup impactor for use in minimally invasive hip replacement surgical procedures is described. The impactor comprises a handle, residing at a proximal end portion, and a cup engagement sub-assembly located at a distal portion. A shaft resides therebetween. The shaft portion is designed with a large radius of curvature that provides added clearance when inserting the impactor in obese patients. The cup engagement sub-assembly features a drive train that comprises a series of “U” and “H” joints deigned to provide full rotational motion. The drive train may be designed to be removable from the cup impactor to provide more efficient and thorough cleaning. | 01-15-2015 |
20150045802 | Methods and Systems for Preparing the Acetabulum to Receive an Acetabular Component in a Hip Replacement Surgical Procedure - Methods and devices for preparing an acetabulum for receiving an acetabular component in a hip replacement procedure. The methods may include aligning a first guide in an acetabular notch of the acetabulum and determining a reference point in the acetabulum. The first guide is removed from the acetabulum and then a second guide is positioned in the acetabulum and oriented with the reference point. While the second guide is positioned in the acetabulum, the acetabular margin is reamed with a reamer. During reaming, the reamer is contacted against a rim of the second guide which prevents additional reaming of the acetabular notch below the rim of the second guide. | 02-12-2015 |
20150088145 | METHOD FOR ALIGNING AN ACETABULAR CUP - An alignment system for aligning an acetabular cup insertion instrument utilizes pre-operative preferably standing x-rays and intra-operative x-rays to allow the surgeon to compensate for the position of a patient on an operating room table. The system uses a programmable computer connected to a digital x-ray system and an navigation tracking system to provide input for calculating the inclination and anteversion angles of an acetabular cup impactor based on a pre-operative plan developed from the standing x-rays. The system calculates changes in lengths and angles between anatomic landmarks on the pelvis to alter the intra-operative orientation of the acetabular reaming and impacting instruments to produce the desired inclination and anteversion angles when the pelvis is reoriented as the patient is placed on an operating table. | 03-26-2015 |
20150088146 | METHOD FOR ALIGNING AN ACETABULAR CUP - A method is used for aligning an acetabular cup insertion instrument by taking a single lateral view pre-operative digital x-ray of a standing patient's pelvis. The natural pelvic tilt angle is determined by locating an anterior pelvic plane (APP) which is defined by first, second and third points on the anterior of the pelvis and determining the angle between the APP and a coronal plane perpendicular to the surface on which the patient is standing. The patient is then placed on a surface of an operating room table in a supine position. A position tracking device is placed on the patient's pelvis to track movement. Thereafter an operating room navigation or orientation system is used to relocate the APP defined by the first, second and third points. A cup insertion instrument having a position tracking device thereon is oriented using the navigation or orientation system. | 03-26-2015 |
20150094728 | INSTRUMENT FOR POSITIONING A CUP COMPONENT OF AN ORTHOPAEDIC JOINT PROSTHESIS - An instrument for positioning a hollow cup component of an orthopaedic joint prosthesis. The instrument includes a longitudinal member having a first end and a second end opposite the first end. The instrument further includes a resilient cup engaging member coupled to the first end. The resilient cup engaging member has a convex outer surface adapted to engage an interior of the hollow cup component. The entire outer convex surface is manufactured of a resilient material. An actuator in fluid communication with the resilient cup engaging member is also included. When the actuator is actuated, the suction force between the resilient cup engaging member and the hollow cup increases. | 04-02-2015 |
20150094729 | ACETABULAR CUP INSERTER - An instrument for positioning a hollow cup component of an orthopaedic joint prosthesis. The instrument includes an insertion end section, a handle end section opposite the insertion end section, and a shaft coupling the insertion end section to the handle end section. The insertion end section includes a cam wheel and a plurality of expanding pieces coupled to the cam wheel such that when the cam wheel is rotated in one direction, the expanding pieces expand out in a radial direction and frictionally engage an inner surface of the hollow cup component. | 04-02-2015 |
20150100060 | ACETABULAR CUP INSERTION INSTRUMENTS - An acetabular cup shell insertion system is provided for a shell having a threaded central opening and a part-spherical inner surface. The system includes an impactor having a strike plate at a first end and a first connection element at a second end. Also provided is a longitudinally extending adapter having a threaded first end adapted to threadably engage the threaded central opening in the acetabular cup. A second end of the adapter has a second connection element for engaging the impactor first connection element. An impaction flange extends radially outwardly of a longitudinal axis of the adapter. The flange has a first contact surface facing the second end of the adapter. A second contact surface surrounding the threaded first end of the adapter contacts the part-spherical inner surface of the acetabular cup surrounding the threaded central opening. | 04-09-2015 |
20150105783 | DEVICE FOR USE IN FACILITATING ALIGNMENT OF AN ACETABULAR COMPONENT - A device for use in facilitating alignment of an acetabular component relative to the pelvis of a subject, the device having a device body and at least a first locator for placement on a first predetermined mounting location on the acetabular rim of a subject, the device defining an orientation and/or position with respect to said subject when installed for facilitating alignment of an acetabular component. | 04-16-2015 |
20150105784 | PATIENT-SPECIFIC TOTAL HIP ARTHROPLASTY - Disclosed herein are systems and methods for performing total hip arthroplasty with patient-specific guides Pre-operative images of a pelvic region of a patient are taken in order to predefine the structure of the guides and corresponding implants. From the obtained image data an insertional vector for implanting an acetabular implant or component into an acetabulum of the patient is determined, wherein the insertional vector is coaxial with a polar axis of the acetabular component. Also from the obtained image data, a superior surface of the guides and implants can be shaped to match the acetabulum of the patient. A nub portion extending outwardly from the superior surface of the guides and implants is shaped to substantially match the shape of a fovea of the acetabulum. A guide portion of the guides forming a slot has a longitudinal axis coaxial with the determined insertional vector of a corresponding acetabular component. | 04-16-2015 |
20150148808 | PATIENT-SPECIFIC ACETABULAR ALIGNMENT GUIDE AND METHOD - A patient specific implant alignment guide assembly includes an anatomical reference component and a guide component. The anatomical reference component includes at least one matching feature shaped and dimensioned to match and complement a specific feature of an anatomic location. The anatomical reference component further has one or more protrusions and is fabricated based on one or more images of the anatomic location where the implant is to be implanted. The guide component includes one or more attachment protrusions that are shaped and dimensioned to match and interface with the one or more protrusions of the anatomical reference component. The guide component is attached to the anatomical reference component by matching and attaching the one or more attachment protrusions of the guide component to the one or more protrusions of the anatomical reference component. | 05-28-2015 |
20150289891 | METHOD AND APPARATUS FOR DETERMINING ACETABULAR COMPONENT POSITIONING - An instrument for establishing orientation of a pelvic prosthesis comprises a tripod having an angularly adjustable guide rod on it. The tips of the legs define a plane, and the guide rod is set by the surgeon to a defined orientation with respect to this plane on the basis of preoperative studies. In use, two of the legs of the instrument are positioned by the surgeon at defined anatomical locations on the pelvis (e.g., a point in the region of the posterior/inferior acetabulum and a point on the anterior superior iliac spine). The third leg then lands on the pelvis at a point determined by the position of the first two points, as well as by the separations between the third leg and the other two legs. The position of the guide rod then defines with respect to the actual pelvis the direction for insertion of a prosthesis. | 10-15-2015 |
20150289992 | APPARATUS AND METHOD FOR POSITIONING OF ACETABULAR COMPONENTS DURING HIP ARTHROPLASTY PROCEDURES - The present disclosure pertains to apparatus and methods for positioning the angular orientation and depth positioning of an acetabular component during hip arthroplasty procedures. The apparatus comprises a positioning member and guiding member set according to a preoperatively determined angular orientation derived from a pelvic radiograph or radiographs in accordance with the methods provided. | 10-15-2015 |
20150305891 | ORTHOPEDIC GUIDE SYSTEMS AND METHODS - Systems, devices, and methods are described for orthopedic guides. In certain embodiments, an orthopedic guide includes a first surface structured to fit within an implant, a sleeve component coupled to a second surface of the guide, and an alignment structure having a contour with predetermined surface characteristics that correspond to respective characteristics of a patient's bony anatomy and thereby aligns the guide. | 10-29-2015 |
20150313723 | ACETABULAR CUP IMPACTING USING PATIENT-SPECIFIC INSTRUMENTATION - A cup impactor assembly comprises a shaft. A cup coupler is at a cup end of the shaft and is releasably connecting a cup in fixed relation. A handle is at an impacting end of the shaft. A visual guide is mounted to at least one of the shaft and the handle, the visual guide producing visual guidance for pointing at at least two landmarks of the pelvis or fixed relative to the pelvis, based on a pre-planned patient-specific relation between the at least two landmarks and a desired acetabular cup orientation relative to the landmarks. A method for orienting an acetabular cup prior to impacting in an acetabulum of a pelvis is also provided. | 11-05-2015 |
20160008144 | PATIENT-SPECIFIC ACETABULAR GUIDE FOR ANTERIOR APPROACH | 01-14-2016 |
20160022284 | SURGICAL ACCESS TOOLS, GUIDE INSTRUMENTS AND ACCESSORIES FOR SUBCHONDRAL TREATMENT OF BONE - One embodiment disclosed provides a guide instrument for controlling the depth and trajectory of a surgical access device into a bone. | 01-28-2016 |
20160038161 | PATIENT SPECIFIC INSTRUMENTS - Disclosed herein are systems, devices, and methods for orthopedic surgical guides adapted to the anatomy of a patient and configured to align a bone shaping device or acetabular implant in a predetermined orientation. Certain embodiments constitute alignment guides for conducting hip surgery on a specific patient. Such guides include a first or inner surface structured to fit in a predetermined configuration relative to a portion of a patient's anatomy based on topography data of the patient's anatomy, a receiving surface configured to receive or constrain a bone shaping device or acetabular implant, and a reference surface with an alignment site that directs placement of the orthopedic device in a predetermined orientation relative to the patient's anatomy when the first surface is in the predetermined configuration. | 02-11-2016 |
20160038307 | SURGICAL ALIGNMENT USING REFERENCES - Methods, systems, and apparatus, including computer-readable storage media, for surgical alignment using references. In one general aspect, a method includes coupling a guide to a joint, the guide defining an axis and having an outer contour formed to substantially conform to a portion of the joint. The first reference is attached at a fixed position relative to the joint. A positioning system is used to determine a position of the axis relative to the first reference, where the position of the axis is determined based upon the position of the guide while the guide is coupled to the joint. The guide is removed from the joint, and after the guide is removed from the joint, an instrument is positioned relative to the axis based on a position of a second reference relative to the first reference. | 02-11-2016 |
20160058576 | Instrument for use in minimally invasive surgery - A method of providing a minimally invasive hip arthroplasty in conjunction with a main incision formed through a patient's skin and soft tissue in the patient's hip, including providing an instrument having a main body and an arrangement for guiding the formation of a portal incision and a small path to the patient's acetabulum along an impaction axis. A trocar is placed through a guide ring on an arm of the instrument to form the portal incision and small path. Impaction of an acetubular shell is carried out along the impaction axis thus formed. | 03-03-2016 |
20160074176 | DEVICES AND METHODS FOR HIP REPLACEMENT - A device for use in placing a prosthesis in a patient during joint replacement surgery is disclosed. The device may comprise a body formed using medical imaging data corresponding to an anatomic structure of the patient and a final installation position of the prosthesis. The body may extend between a lower surface and an upper surface and may have an aperture extending therethrough. The body may also have an anatomic alignment member extending outward from an outer surface of the body and include an inner surface opposite the outer surface. The inner surface may define at least part of the aperture. The prosthesis alignment member may extend from the inner surface and the prosthesis alignment member may include a prosthesis alignment surface configured to align with a prosthesis in the final installation position. | 03-17-2016 |
20160081819 | ACETABULAR IMPLANT ALIGNMENT DEVICES AND METHODS - A trial medical instrument for aligning an acetabular component, comprising: a first portion configured to fit within a patient's acetabulum; and a second portion extending from the first portion; wherein the second portion extends from the first portion in a direction that mimics a shape formed by a femoral implant component coupled with an acetabular implant component when a femur to which the femoral implant component is coupled is in a position relative to an acetabulum to which the acetabular implant component is coupled that is near an extent of a typical range of motion of the femur. As used herein, the phrase “extent of a typical range of motion” describes typical angular displacements of a femur as usually limited by patient anatomy. | 03-24-2016 |
20160089165 | ANTHROSCOPIC JOINT REPAIR - The present disclosure relates to a guide. The guide includes a handle and a shaft coupled to the handle, the shaft including a lip located at a distance from the longitudinal axis of the shaft and extending a distance from an end of the shaft. A method of tissue repair is also disclosed. | 03-31-2016 |
20160100956 | ORTHOPAEDIC IMPACTOR WITH RADIALLY EXPANDING THREADING - An orthopaedic impactor includes an elongate member having a first end and a second end; a striking surface connected to the first end; an actuator held by the elongate member; and an impaction assembly held by the elongate member at the second end. The impaction assembly includes a collar that has an opening formed through; an interfacing member that has a threaded end and is split into at least four sections held partially within the opening, the interfacing member having an expansion opening formed to the threaded end that defines a center; and a separator held in alignment with the expansion opening and connected to the actuator. The separator is configured to radially expand the at least four sections away from the center when advanced through the expansion opening by the actuator. | 04-14-2016 |
20160100958 | PROSTHESIS POSITIONING SYSTEMS AND METHODS - A system and method for improving an actual installed rotation of a prosthesis, particularly prostheses having a preferred rotation with respect to a frame of reference of a patient. | 04-14-2016 |
20160135963 | METHOD OF ATTACHMENT OF IMPLANTABLE CUP TO A CUP IMPACTOR - An orthopaedic impactor includes an elongate member having an interface end; an impact head connected to the elongate member; an implant interface held at the interface end that is configured to connect to an acetabular cup; and a securing mechanism attached to the elongate member that includes an actuator and a pressing member at least partly covering the implant interface. The pressing member is connected to the actuator and slidable relative to the implant interface. The actuator is configured to slide the pressing member along the implant interface. | 05-19-2016 |
20160158027 | ALIGNMENT GUIDE - An alignment guide is provided having a shaft having a longitudinal axis. The guide includes a housing configured to be attached to the shaft and rotatable about a first axis substantially perpendicular to the longitudinal axis. The housing includes a base and a plate. The base is attached to the shaft, and the plate is rotatable about the first axis relative to the base. The guide also includes a guide arm having a first portion and a second portion, the first portion being attached to the housing and extending from the housing along a second axis, the second portion extending from the first portion at a first predetermined angle. | 06-09-2016 |
20160175111 | PATIENT-MATCHED ACETABULAR ALIGNMENT TOOL | 06-23-2016 |
20160184109 | PROSTHESIS ALIGNMENT SYSTEM - An alignment plate can comprise a body having an exterior-facing surface and an implant-facing surface, at least one adjustable finger extending in a direction transverse to a plane defined by the body, and at least one patient-engaging surface positioned on the at least one adjustable finger. The adjustable finger can be adjustable to vary the distance between the patient-engaging surface and the implant-facing surface. The patient-engaging surface can be configured to engage a portion of a patient to align the alignment plate relative to the patient in a selected orientation. Additional apparatus, methods, and systems are disclosed. | 06-30-2016 |
20160249968 | ALIGNMENT APPARATUS FOR USE IN HIP ARTHROPLASTY | 09-01-2016 |
20160250039 | Methods and Tolls for Hip Replacement with Supercapsular Percutaneously Assisted Total Hip Approach | 09-01-2016 |
20160250040 | MEDICAL INSTRUMENTATION | 09-01-2016 |