Patent application number | Description | Published |
20080228189 | Distal femoral cutting guide - A system locates a femoral cutting guide on a distal end of a femur. The femoral cutting guide establishes at least a first reference plane to perform a distal femoral planar cut. The system generally includes a mounting rod operable to insert into the distal end of the femur. An index member is operable to abut the distal end of the femur. A bridge member extends from the index member. A cutting guide member extends from the bridge member. The cutting guide member includes a first channel that establishes the first reference plane. A mounting mechanism releasably couples the cutting guide member to the bridge member. The mounting mechanism is operable to generate a sliding resistance between the bridge member and the cutting guide member that is generally overcome to position the cutting guide member relative to the femur. | 09-18-2008 |
20080257363 | Method And Apparatus For Manufacturing An Implant - An orthopedic implant manufacturing method. The method includes preparing a preliminary pre-operative surgical plan for a specific patient, communicating the plan to a surgeon of the patient, and receiving an orthopedic implant design recommendation of the surgeon. The implant design recommendation can include selecting one of first, second or third options, the first option being a patient-specific implant, the second option being a semi-custom implant, and the third option being an off-the-shelf implant. The method further includes sending a request for manufacturing the selected implant to a manufacturing center, receiving the implant, and forwarding the implant for implantation. | 10-23-2008 |
20080262624 | Patient-Modified Implant And Associated Method - An orthopedic implant. The implant has a first portion including at least one patient-adjustable feature, and a second portion including at least one standard feature. | 10-23-2008 |
20080312659 | PATIENT SPECIFIC ALIGNMENT GUIDE AND INTER-OPERATIVE ADJUSTMENT - A method of preparing a joint for a prosthesis in a patient. The method includes obtaining scan data associated with the joint of the patient, preparing a three-dimensional image of the joint based on the scan data, preparing a pre-operative surgical plan based on the scan data, and preparing an image of a patient-specific alignment guide, and intra-operatively modifying the surgical plan. | 12-18-2008 |
20090024131 | PATIENT SPECIFIC GUIDES - A device for an orthopedic knee procedure. The device includes a drill guide having a body portion and first and second posts extending from the body portion, the first and second posts defining first and second internal through-bores, the first post having a first cross-sectional shape and the second post having a second cross-sectional shape different than the first cross-sectional shape of the first post. | 01-22-2009 |
20090036993 | Patellar implant - A patellar implant for a knee joint prosthesis including a femoral component and a tibial assembly having a post. The patellar implant includes an anterior anchoring surface, and a posterior surface articulating with the femoral component. The posterior surface has an articulating portion and a non-articulating portion, and the non-articulating portion defines a depression that substantially prevents impingement of the patellar implant on the post during flexion. | 02-05-2009 |
20090062924 | KNEE JOINT PROSTHESIS - A knee joint prosthesis including a femoral component for attachment to a femur. The femoral component includes an anterior portion, first and second condylar portions extending from the anterior portion and having first and second bearing surfaces, the first and second condylar portions having first and second posterior ends, and a third condylar portion defined between the first and second condylar portions and extending anteriorly beyond the first and second posterior ends. | 03-05-2009 |
20090084491 | Cementless Tibial Tray - The present teachings provide a tibial tray and a method for making the same. According to one example, a substrate having a superior surface can be formed. Porous metal material can be attached onto the superior surface of the substrate. Selected areas of the substrate can be removed to form first features of the tibial tray. Selected areas of the polymer portion can be removed to form second features of the tibial tray. | 04-02-2009 |
20090149859 | Femoral Guide For Implanting A Femoral Knee Prosthesis - Disclosed is a modular femoral sizing guide which facilitates the selection and rotational orientation of a femoral prosthetic for a resected femur. The femoral sizing guide has a base which is coupled to the resected femur. An extension portion which is configured to have a pair of feet which are coupled to the posterior surface of the resected femur is rotatably coupled to the base portion. A superstructure having a pair of drilling guides and a stylus is slidably coupled to the base. | 06-11-2009 |
20090151736 | Method And Apparatus For Manufacturing An Implant - An orthopedic implant manufacturing method. The method includes preparing a pre-operative surgical plan for a specific patient, the surgical plan including a three-dimensional image of a patient's joint indicating at least one resection plane, communicating the surgical plan to a surgeon of the patient, and receiving approval of the surgical plan and the resection plane by the surgeon. The method also includes providing automated osteophyte/protrusion removal control for surgeon manipulation, receiving a modified three-dimensional image of a patient's joint indicating an osteophyte/protrusion removal and a recommendation for a corresponding selected orthopedic implant from the surgeon, and requesting manufacture of the selected orthopedic implant. | 06-18-2009 |
20090254367 | Method and Apparatus for Manufacturing an Implant - An orthopedic implant manufacturing method. The method includes preparing a pre-operative surgical plan for a specific patient, the surgical plan including a three-dimensional image of a patient's joint indicating at least one resection plane, communicating the surgical plan to a surgeon of the patient, and receiving approval of the surgical plan and the resection plane by the surgeon. The method also includes providing automated osteophyte/protrusion removal control for surgeon manipulation, receiving a modified three-dimensional image of a patient's joint indicating an osteophyte/protrusion removal and a recommendation for a corresponding selected orthopedic implant from the surgeon, and requesting manufacture of the selected orthopedic implant. | 10-08-2009 |
20090299482 | Knee Joint Prosthesis System and Method for Implantation - A prosthesis for replacing a knee joint between a femur and a tibia can include a femoral component having a first condylar portion, a second condylar portion, a first sidewall and a second sidewall that collectively comprise a first hinge portion. A tibial component can have a first engagement portion formed thereon. A bearing can have an articulating inferior surface adapted to articulate along the bearing. The bearing can have an opening. A yoke can have an inferior portion and superior portion, the superior portion having an axle that comprises a second hinge portion. The inferior portion can have a second engagement portion and be configured to at least partially pass through the opening. The femoral component is operable to rotate relative to the tibial component about a superior/inferior axis a first rotational distance until the first and second engagement portions engage each other and inhibit further rotation. | 12-03-2009 |
20100087829 | Patient Specific Alignment Guide With Cutting Surface and Laser Indicator - A patient-specific guiding system for guiding an instrument relative to a portion of an anatomical feature of a patient. The patient-specific guiding system includes a patient-specific guide. The guide includes a first portion having a first patient-specific inner surface that conforms to a first surface of the anatomical feature and an outer surface opposite the first patient-specific inner surface. The first portion also includes a guide surface for use in guiding the instrument relative to the anatomical feature. The guide also includes a second portion having a second patient-specific inner surface that conforms to a second surface of the anatomical feature and an outer surface opposite the second patient-specific inner surface. The second portion is removably connected to the first portion. | 04-08-2010 |
20100100189 | HIGH FLEXION TIBIAL TRAY - Various assemblies for replacing at least a proximal portion of a tibia are provided. One assembly includes a tibial tray including a superior bearing engaging surface and an inferior bone engaging surface and having a truncated posterior region; a bearing including an articulating surface, a tray mating surface, and an overhang. The tray mating surface of the bearing is in mating engagement with the inferior bone engaging surface of the tibial tray such that the overhang of the bearing extend beyond the tibial tray truncated posterior region. Related surgical methods are also provided. | 04-22-2010 |
20100152782 | Patient Specific High Tibia Osteotomy - A surgical kit includes a patient-specific alignment guide having a three-dimensional engagement surface custom-made by computer imaging to conform to a corresponding portion of a patient's tibial bone. The patient-specific alignment guide defines an elongated planar slot for guiding a blade. The planar slot is oriented at a selected angle and at a selected position relative to an anatomic axis of the patient when the engagement surface engages the corresponding portion of the tibial bone. The selected angle and selected position are determined during a pre-operative planning stage. | 06-17-2010 |
20100160918 | Method for Performing Bone Cutting - A guide for cutting a bone comprising an anterior portion and a distal portion orientated at about a right angle to the anterior portion. The distal portion includes a guiding side, a distal surface at the guiding side, a box-cut shaped opening defined by the guiding side, a plurality of first cutting surfaces disposed at the guiding side at an acute angle relative to the distal surface of the guiding side operable to guide a cutting device to the bone to form chamfer cuts in the bone, and a second cutting surface disposed at the guiding side at least about a right angle to the distal surface operable to guide a cutting device to the bone to form a posterior cut in the bone. | 06-24-2010 |
20100174378 | Knee Joint Prosthesis System and Method for Implantation - A prosthesis system for replacing a knee joint between a femur and a tibia can include a femoral component, a tibial component, a bearing, a first yoke, and a first key. The femoral component can include a first condylar portion, a second condylar portion, a first sidewall extending superiorly from the first condylar portion, a second sidewall extending superiorly from the second condylar portion where the first and second sidewalls collectively comprise a first hinge portion. The tibial component can have a bone engaging inferior surface and a bearing engaging superior surface. The bearing can have an inferior that engages the bearing engaging surface and a superior femoral engaging surface. The bearing can define an opening. The first yoke can have an inferior portion, a superior portion and a yoke keyway extending through the therethrough. | 07-08-2010 |
20100198224 | Prosthesis and Implementation System - A prosthesis for replacing a selected portion of the anatomy is disclosed. Also disclosed is an exemplary method and apparatus for performing a procedure. The procedure can be minimally or less invasive. | 08-05-2010 |
20100241236 | Modular Radial Head Prosthesis - A prosthesis system for replacement of a head portion of a proximal radius can include an articulation component having a first connection portion. A first head component can have a second connection portion that connects to the first connection portion. A second head component can have a third connection portion that connects to the first connection portion. The second head component can have a distinct dimension from the first head component. A stem component can include a fourth connection portion that connects with either of the first or second head components. The stem component can have a stem anchoring portion that connects to the radius. | 09-23-2010 |
20100292792 | Prosthetic Ligament System for Knee Joint - A system for a knee joint includes a first fastener and a second fastener operable to be connected to the tibia and femur, respectively. Furthermore, the system includes a flexible prosthetic ligament member. The ligament member is operably coupled to the first and second fasteners to support the tibia and the femur for relative movement. The ligament member extends from a first end to a second end, and includes an outer wall that defines a hollow longitudinal passage portion. The first end extends into and out of the longitudinal passage portion through the outer wall to define a first adjustable loop, and the second end extends into and out of the longitudinal passage portion through the outer wall to define a second adjustable loop. | 11-18-2010 |
20100305698 | Knee Prosthesis Assembly With Ligament Link - A prosthetic knee joint assembly includes a femoral component that engages a femur and at least one bearing that supports articulation of the femoral component thereon. Also, the assembly includes a tibial tray that engages a tibia and that supports the bearing. A ligament link coupling component is included on the femoral component or the tibial tray. The ligament link coupling component is operable to couple to a ligament link to couple the ligament link to the femoral component or the tibial tray. Moreover, the assembly includes an opening included on the other of the femoral component or the tibial tray. The ligament link is received in the opening to bypass the other of the femoral component or the tibial tray to operably couple to the respective one of the femur or the tibia. | 12-02-2010 |
20100305709 | Knee Prosthesis Assembly With Ligament Link - A prosthetic knee joint assembly includes a femoral component and a bearing that supports articulation of the femoral component. The assembly further includes a tibial tray. Furthermore, the assembly includes a ligament link operably coupled to the tibial tray or the femoral component via a coupling component. The ligament link extending through the other of the tibial tray or the femoral component to couple to the respective one of the femur or tibia. The ligament link extends between first and second ends and includes an outer wall defining an interior longitudinal passage portion. First and second apertures extend through the wall. The first end extends through the first and second apertures and the longitudinal passage portion to define a first adjustable loop, and the second end extends through the first and second apertures and the longitudinal passage portion to define a second adjustable loop. | 12-02-2010 |
20100305710 | Knee Prosthesis - A knee joint prosthesis assembly can include a femoral component that has a medial and a lateral condyle portion connected by a patellar track portion. The femoral component can form an opening between the medial and lateral condyles. A tibial component can have a medial portion that includes a first engagement structure and a lateral portion that includes a second engagement structure. A medial bearing can have a third engagement structure formed thereon that selectively engages the first engagement structure. A lateral bearing separately formed and independent from the medial bearing can have a fourth engagement structure formed thereon that selectively engages the second engagement structure. | 12-02-2010 |
20100318089 | METHOD AND APPARATUS FOR LESS INVASIVE KNEE RESECTION - Various method and apparatuses may be used to perform a procedure, such as a resection of a portion of the anatomy for preparation of the implants of a prosthetic. Various resecting member, including saw blades having selected geometries and shapes, can be used to assist in the resection of an anatomy to provide for implantation of a prosthetic. In addition, a cutting block assembly may be used to guide the resecting member. The cutting block assembly may be moveably mounted relative to the portion to be resected. | 12-16-2010 |
20100324692 | Method and Apparatus for Manufacturing an Implant - An orthopedic device includes a femoral implant having a non-custom internal bone engagement surface. The femoral implant includes at least nine parameters adjusted preoperatively to correspond to a specific patient. The parameters can include patient-specific lengths, such as, for example, medial and lateral condyle widths and notch height, and patient-specific medial and lateral angles. | 12-23-2010 |
20110015636 | Patient-Specific Elbow Guides and Associated Methods - A patient-specific alignment guide includes a three-dimensional engagement surface customized in a pre-operating planning stage by computer imaging to closely mate and conform to a corresponding bone portion of a patient's elbow joint. The patient-specific alignment guide defines a first longitudinal guiding bore aligned with a reference axis associated with the elbow joint of patient when the alignment guide is mounted onto the corresponding bone portion. | 01-20-2011 |
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 |
20110015740 | Pyrocarbon Orthopedic Implant - An orthopedic prosthetic device having at least one pyrocarbon insert is provided. The prosthetic device can include a prosthetic component having an articulating surface and a bone engagement surface. The articulating surface can be formed of a material that is distinct from pyrocarbon and is arranged to receive the at least one pyrocarbon insert so as to position a pyrocarbon articulating surface of the at least one pyrocarbon insert relative to the prosthetic component articulating surface. | 01-20-2011 |
20110022053 | Method and Apparatus for Assembling Implants - An apparatus and method for implanting a prosthesis includes implanting a first component into a recess in a bone. The first component defines a main body defining a receiving portion and a locating bore. A second component is located into engagement with the first component, the second component defining a passage therethrough. A rod is inserted through the passage defined on the second component and into the locating bore of the first component. A handle associated with the rod is slidably actuated into contact with the second component to matingly lock the first component to the second component. | 01-27-2011 |
20110046735 | Patient-Specific Implants - An endoprosthetic device includes a monolithic meniscal implant having a three-dimensional patient-specific tibial engagement surface nesting in and complementary to a proximal surface of the proximal tibia of a patient and a femoral articulating surface opposite to the tibial engagement surface for articulating with a femoral condyle of the patient. The meniscal implant includes a first portion and a second remainder portion, wherein the first portion is compressible relative to the second remainder portion. | 02-24-2011 |
20110054478 | Patient-Specific Shoulder Guide - An orthopedic device for a shoulder joint includes a patient-specific alignment guide. The alignment guide includes a cap having a three-dimensional engagement surface customized in a pre-operative plan by computer imaging to be complementary and closely mate and conform to a humeral head of a proximal humerus of a patient. The alignment guide includes a tubular element extending from the cap and defining a longitudinal guiding bore for guiding an alignment pin at a patient-specific position and orientation determined in the pre-operative plan, and an orientation feature on the cap. The orientation feature is designed to orient the cap relative to the humeral head when the orientation feature is aligned with a landmark of the proximal humerus. | 03-03-2011 |
20110071533 | Patient-Specific Orthopedic Instruments - An orthopedic device includes a patient-specific alignment guide operable for preparing a bone of a patient for resection during joint arthroplasty. The alignment guide includes a patient-specific bone engagement surface complementary to a surface of the bone of the patient and imaged from a bone scan of the patient. The alignment guide includes a plurality of guiding bores, and a plurality of alignment pins received through corresponding guiding bores for attaching the alignment guide to the bone. The alignment pins are resorbable and can be cut off during a resection of the bone. | 03-24-2011 |
20110092804 | Patient-Specific Pre-Operative Planning - A method for pre-operative orthopedic planning includes obtaining only a high-resolution knee-joint scan of a patient, determining hip rotation center and ankle rotation center from anthropometric data based on personal data of the patient, and determining a mechanical axis of the knee joint based on the anthropometric data. The method also includes preparing at least a two-dimensional image model of the knee joint using the knee-joint scan and the determined mechanical axis, and preparing a pre-operative surgical plan based on the image of the knee joint. | 04-21-2011 |
20110093086 | Patient-Specific Hip Joint Devices - A patient-specific acetabular resection guide includes a dome-shaped surface bounded by a periphery. The dome-shaped surface is a three-dimensional patient-specific surface designed to anatomically match and be received into an acetabulum of the patient, based on a three-dimensional image of a hip joint of the patient reconstructed from a medical scan of the hip joint. The resection guide includes a plurality of guiding formations defined on the resection guide and having patient-specific shapes and orientations for guiding corresponding osteotomies relative to the acetabulum for correcting hip dysplasia. | 04-21-2011 |
20110130762 | Method for Less Invasive Knee Resection - Various method and apparatuses may be used to perform a procedure, such as a resection of a portion of the anatomy for preparation of the implants of a prosthetic. Various resecting member, including saw blades having selected geometries and shapes, can be used to assist in the resection of an anatomy to provide for implantation of a prosthetic. In addition, a cutting block assembly may be used to guide the resecting member. The cutting block assembly may be moveably mounted relative to the portion to be resected. | 06-02-2011 |
20110160736 | PATIENT-SPECIFIC FEMORAL GUIDE - A medical device for preparing an elongated bone, such as a proximal femoral bone, for receiving an implant includes a patient-specific femoral guide and an elongated alignment element. The femoral guide has a patient-specific three-dimensional bone-engaging surface configured according to a preoperative plan based on a three-dimensional image model of the femoral bone to mate complementarily with the surface of the proximal femoral bone extending between the greater trochanter, the femoral neck and the femoral shaft of the proximal femur. The femoral guide includes a first guide end forming a planar guide configured for guiding a neck resection. The alignment member can be removably attached to the femoral guide and defines a reference axis for guiding a cutting tool into the femoral bone through a resected surface of the femoral neck. | 06-30-2011 |
20110160867 | PATIENT-SPECIFIC TOOLS AND IMPLANTS - A method for preparing a femoral neck for receiving a neck implant includes obtaining image data of a proximal femoral bone and femoral neck of a patient by a medical imaging method and constructing a three-dimensional image model of the proximal femoral bone and neck of the patient using the image data. The method further includes identifying a three-dimensional cortical boundary surface at an interface between cortical and cancellous bone of the patient using the image model. A patient-specific broach having a three-dimensional cutting surface closely matching and complementary to the cortical boundary surface of the patient using the image model is designed and manufactured. | 06-30-2011 |
20110166578 | ALIGNMENT GUIDES WITH PATIENT-SPECIFIC ANCHORING ELEMENTS - An orthopedic device for joint arthroplasty includes an alignment guide and a number of patient-specific anchoring elements. The alignment guide can be mounted on a bone of a patient during joint arthroplasty. The patient-specific anchoring elements extend from an inner surface of the alignment guide and have a patient-specific length relative to an outer bone surface of the bone of the patient. | 07-07-2011 |
20110172672 | INSTRUMENT WITH TRANSPARENT PORTION FOR USE WITH PATIENT-SPECIFIC ALIGNMENT GUIDE - A system for orienting objects relative to an anatomical feature of a patient includes a guide with a reference guide surface. The system also includes a referencing object that is guided by the reference guide surface toward the anatomical feature to be fixed to the anatomical feature in a reference orientation relative to the anatomical feature. Moreover, the system includes an instrument with at least a portion that is transparent. The referencing object is viewable through the transparent portion of the instrument to align the referencing object with the instrument and to orient the instrument in the reference orientation relative to the anatomical feature. | 07-14-2011 |
20110184419 | PATIENT-SPECIFIC ACETABULAR GUIDES AND ASSOCIATED INSTRUMENTS - A method for preparing a joint surface of a patient for an implant, such as, for example, an acetabular implant for a hip joint. According to the method, a patient-specific guide is attached to a complementary joint surface of the patient. The patient-specific guide includes a guiding element oriented along a patient-specific alignment axis. The alignment axis is determined during a preoperative plan of the patient for implant alignment. A shaft of a guiding tool is removably coupled to the guiding element of the guide. A three-dimensional orientation device is removably attached to the shaft of the guiding tool. A position of a bubble of the orientation device is marked with a mark on an outer transparent surface of the orientation device while the guiding tool is oriented along the alignment axis. The marked orientation device can be used for aligning other instruments during the procedure. | 07-28-2011 |
20110184526 | PATIENT-MODIFIED IMPLANT - An orthopedic implant includes a first portion including at least one feature modified to be patient-specific and match the anatomy of a specific patient from a three-dimensional digital image of a patient's joint using computer modeling. The orthopedic implant includes a non-custom inner bone-engaging surface including a plurality of planar surfaces configured for engagement with non-custom bone cuts. | 07-28-2011 |
20110190899 | PATIENT-SPECIFIC AUGMENTS - A patient-specific augment can be attached to an implant component for a bone of a joint of a patient. The patient-specific augment has first and second surfaces. The first surface is a three-dimensional patient-specific surface that closely matches and can mate to a substantially unaltered and unresected surface of a bone defect of the specific patient only in one position. The second surface is designed to engage a non-custom surface of the implant. | 08-04-2011 |
20110202139 | PROSTHETIC DEVICE WITH DAMPER - A prosthetic joint assembly supports articulation of a joint. The joint assembly includes a first component configured to be fixed to an anatomical feature. The first component includes a first impact surface and a second component that engages the first component. The second component includes a second impact surface that impacts the first impact surface as the first component moves relative to the second component. Furthermore, at least one of the first impact surface and the second impact surface includes a dampening member that dampens energy resulting from impact of the first and second impact surfaces. | 08-18-2011 |
20110202141 | METHOD AND APPARATUS FOR AUGMENTING BONE DEFECTS - A bone augment for repairing a bone defect. The bone augment includes a porous body and a metallic liner. The porous body defines a bore and is configured to be intraoperatively shaped to correspond to the bone defect. The metallic liner is injection molded within the bore such that portions of the liner interlock with pores of the porous body. The metallic liner is operable to mount an implant to the bone augment. | 08-18-2011 |
20110213376 | Patient-Specific Osteotomy Devices and Methods - An osteotomy method includes attaching a patient-specific osteotomy guide to a corresponding surface of a tibia of a patient and making an osteotomy at a patient-specific orientation through a resection slot of the osteotomy guide. The osteotomy guide is removed and first and second faces of the osteotomy are opened to form an implant insertion angle. The first and second faces of the osteotomy are secured at the implant insertion angle and an osteotomy implant having a patient-specific wedge angle that is smaller than the implant insertion angle is implanted. The first and second faces of the osteotomy are brought to the patient-specific wedge angle and in contact with the osteotomy implant. | 09-01-2011 |
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 |
20110230889 | DISTAL FEMORAL CUTTING GUIDE - A method of positioning a femoral cutting guide on a distal end of a femur establishes at least a first reference plane to perform a distal femoral planar cut. The method includes inserting a mounting member into an intramedullary canal of the femur and coupling a bridge member to the mounting member. The method also includes placing a cutting guide member over a medial anterior portion of the distal femur. The cutting guide member has a first channel that establishes the first reference plane. The bridge member has a bridge channel. A wall of the bridge channel is inserted into the first channel of the cutting guide member. A mounting mechanism generates resistance between the bridge member and the cutting guide member. The resistance is overcome by positioning the cutting guide member relative to the femur. | 09-22-2011 |
20110230972 | ELBOW RESURFACING PROSTHESIS - A method and apparatus for replacing a selected portion of the anatomy is described. In particular, a prosthesis can be provided to replace a portion of an articulating joint, such as an elbow. The apparatus can be modular for various reasons and each of the modular portions can include a different dimension to achieve a selected result. | 09-22-2011 |
20120065640 | PATIENT-SPECIFIC KNEE ALIGNMENT GUIDE AND ASSOCIATED METHOD - An orthopedic device for preparing a knee joint for a prosthesis in a patient includes a femoral alignment guide. The femoral alignment guide has a patient-specific three-dimensional curved inner surface preoperatively configured from medical image scans of the knee joint of the patient to nestingly conform and mate and match only in one position to a corresponding three-dimensional femoral surface of a joint surface of the patient. The femoral alignment guide has a first guiding aperture corresponding to a distal portion of the femoral surface and a second guiding aperture corresponding to an anterior portion of the femoral surface. | 03-15-2012 |
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 |
20120150307 | Pyrocarbon Orthopedic Implant - An orthopedic prosthetic device having at least one pyrocarbon insert is provided. The prosthetic device can include a prosthetic component having an articulating surface and a bone engagement surface. The articulating surface can be formed of a material that is distinct from pyrocarbon and is arranged to receive the at least one pyrocarbon insert so as to position a pyrocarbon articulating surface of the at least one pyrocarbon insert relative to the prosthetic component articulating surface. | 06-14-2012 |
20120226283 | PATIENT-SPECIFIC ACETABULAR GUIDES AND ASSOCIATED INSTRUMENTS - A patient-specific acetabular guide can be used for preparing an acetabulum of a patient to receive an acetabular implant. The acetabular guide includes a patient-specific engagement surface designed to be complementary and mateable with a corresponding surface of the patient's pelvic anatomy. The acetabular guide is designed during a pre-operative plan for the patient by a three-dimensional reconstruction of the anatomy of the patient using two-dimensional medical images. The patient-specific engagement surface has a first portion mateable with a portion of the acetabulum of the patient. The acetabular guide includes a guiding element that extends from the acetabular guide opposite to the first portion of engagement surface. The guiding element defines a bore designed to be oriented along an alignment axis for an acetabular implant when the acetabular guide is engaged to the acetabulum. | 09-06-2012 |
20120239159 | KNEE PROSTHESIS - A knee joint prosthesis assembly can include a femoral component that has a medial and a lateral condyle portion connected by a patellar track portion. The femoral component can form an opening between the medial and lateral condyles. A tibial component can have a medial portion that includes a first engagement structure and a lateral portion that includes a second engagement structure. A medial bearing can have a third engagement structure formed thereon that selectively engages the first engagement structure. A lateral bearing separately formed and independent from the medial bearing can have a fourth engagement structure formed thereon that selectively engages the second engagement structure. | 09-20-2012 |
20120265316 | Prosthetic Device With Damper - A prosthetic joint assembly supports articulation of a joint. The joint assembly includes a first component configured to be fixed to an anatomical feature. The first component includes a first impact surface and a second component that engages the first component. The second component includes a second impact surface that impacts the first impact surface as the first component moves relative to the second component. Furthermore, at least one of the first impact surface and the second impact surface includes a dampening member that dampens energy resulting from impact of the first and second impact surfaces. | 10-18-2012 |
20120265317 | PIVOTING TIBIAL TRAY - A tibial component for use with a resected tibia can include a medial tray portion adapted to engage a portion of the resected tibia and a lateral tray portion adapted to engage a portion of the resected tibia. A linkage can couple the medial tray portion to the lateral tray portion such that at least one of the medial tray portion and the lateral tray portion is pivotable relative to the other of the medial tray portion and the lateral tray portion to position the medial tray portion and the lateral tray portion at separate angles with respect to each other. | 10-18-2012 |
20120296438 | KNEE JOINT PROSTHESIS SYSTEM AND METHOD FOR IMPLANTATION - A prosthesis system for replacing a knee joint between a femur and a tibia can include a first femoral component including a first condylar portion, a second condylar portion, a first sidewall extending superiorly from the first condylar portion and a second sidewall offset from the first sidewall a first distance and extending superiorly from the second condylar portion. A tibial component can have a bone engaging inferior surface and a bearing engaging superior surface. A bearing can have an inferior surface that engages the bearing engaging surface and a superior femoral engaging surface. The bearing can define an opening and a bearing keyway. A first yoke and a second yoke can each have an inferior portion, a superior portion, and a yoke keyway extending therethrough. | 11-22-2012 |
20120303004 | BACKUP SURGICAL INSTRUMENT SYSTEM AND METHOD - A method for preparing surgical kits for use during a surgery includes preparing a pre-operative surgical plan for a patient and selecting a set of surgical instruments based on the pre-operative surgical plan. The set of surgical instruments includes at least a general instrument, a first size-specific instrument, a patient-specific instrument, and a surgeon-specific instrument. The general instrument is selected from a predetermined group of off-the-shelf instruments. The first size-specific instrument has a first size selected from predetermined sizes. The patient-specific instrument includes a three-dimensional contoured engagement surface configured to nest into a portion of a native anatomy in a single location. The surgeon-specific instrument is selected based on a surgeon preference and is a different instrument than the selected general instrument, first size-specific instrument, and patient-specific instrument. The method further includes preparing a surgeon instrument kit containing the set of surgical instruments in sterilized form. | 11-29-2012 |
20120310399 | PRE-OPERATIVE PLANNING AND MANUFACTURING METHOD FOR ORTHOPEDIC PROCEDURE - A pre-operative planning and manufacturing method for orthopedic surgery includes obtaining pre-operative medical image data representing a joint portion of a patient. The method also includes constructing a three-dimensional digital model of the joint portion and manufacturing a patient-specific alignment guide for the joint portion from the three-dimensional digital model of the joint portion when the image data is sufficient to construct the three-dimensional digital model of the joint portion. The patient-specific alignment guide has a three-dimensional patient-specific surface pre-operatively configured to nest and closely conform to a corresponding surface of the joint portion of the patient in only one position relative to the joint portion. The method further includes determining, from the image data, a size of a non-custom implant to be implanted in the patient and manufacturing the non-custom implant when there is insufficient image data to construct the patient-specific alignment guide therefrom. | 12-06-2012 |
20120316563 | BI-CRUCIATE KNEE SYSTEM - An instrument set and related method for preparing a proximal tibia during a bi-cruciate retaining procedure are disclosed. The instrument set can include a tibial resection block, a cut guide, and a locking arm. The tibial resection block can be configured to be fixed to an anterior portion of the proximal tibia. The tibial resection block can define a slot that extends in a medial-lateral direction when the tibial resection block is fixed to the proximal tibia. The cut guide can have a body, a medial arm, and a lateral arm. A medial cut slot can be defined between the body and the medial arm. A lateral cut slot can be defined between the body and the lateral arm. The cut guide can further comprise a tongue extending therefrom. The tongue can be configured to be received by and slidably translate along the slot of the tibial resection block. | 12-13-2012 |
20120323333 | REVISION KNEE TIBIAL LOCKING MECHANISM - A tibial prosthesis assembly can comprise a tibial tray and a tibial insert. The tibial tray can have an inferior bone engaging surface, a superior surface, and a first retaining feature. The tibial insert can have an inferior tray engaging surface, a superior bearing surface, and a second retaining feature. The first and second retaining features can cooperate to inhibit substantial lift-off of the tibial insert away from the superior surface of the tibial tray while permitting a predetermined amount of rotation of the tibial insert around the superior surface in an assembled position. | 12-20-2012 |
20130001121 | BACKUP KIT FOR A PATIENT-SPECIFIC ARTHROPLASTY KIT ASSEMBLY - A method for preparing a backup kit for a plurality of patient-specific arthroplasty procedures scheduled at the same medical facility includes providing a database with data from completed arthroplasty procedures using patient-specific arthroplasty kits. The database includes comparisons between preoperatively planned implant size and intraoperatively implanted implant size. The method includes determining a statistically expected implant size deviation from a planned implant size for each implant included in a plurality of patient-specific arthroplasty kits prepared for a shipment to the medical facility using the database. A backup kit of backup implants is assembled for the shipment. The number and size of the backup implants is determined from the statistically expected implant size deviations. | 01-03-2013 |
20130006250 | PATIENT-SPECIFIC BONE-CUTTING GUIDANCE INSTRUMENTS AND METHODS - An orthopedic device for cutting or resurfacing an outer bone surface of a bone of a patient includes first and second guides. Each guide has a patient-specific surface preoperatively configured as a negative surface of a portion of the outer bone surface of the bone and a plurality of elongated slots. The elongated slots of the second guide are offset relative to the elongated slots of the first guide and configured for guiding a tool to resurface the outer bone surface. | 01-03-2013 |
20130006375 | KNEE PROSTHESIS - A knee joint prosthesis assembly according to the present disclosure can include a femoral component, a unitary tibial component, a medial bearing, and a lateral bearing. The femoral component can have a medial and a lateral condyle portion connected by a patellar track portion. The femoral component can form an opening between the medial and lateral condyles. The unitary tibial component can have a medial portion that includes a first posterior engagement lip and a first outer securing lip. The tibial component can further include a lateral portion that includes a second posterior engagement lip and a second outer securing lip. The medial bearing can have a first posterior groove formed thereon that selectively engages the first posterior engagement lip and a first outer groove that selectively engages the first outer securing lip. | 01-03-2013 |
20130030538 | Method And Apparatus For Positioning A Multiple Piece Prosthesis - A method and apparatus for positioning an implant system in anatomy is disclosed. The apparatus can include an alignment member operable to contact an implant portion, a bone, or other appropriate portion. The method can include using the apparatus to assist in positioning a single or multi-piece implant member. Also, a method of aligning a first implant position relative to another implant position is disclosed. | 01-31-2013 |
20130110251 | Knee Prosthesis Assembly With Ligament Link | 05-02-2013 |
20130131681 | Patient-Specific Elbow Guides And Associated Methods - A patient-specific alignment guide includes a three-dimensional engagement surface customized in a pre-operating planning stage by computer imaging to closely mate and conform to a corresponding bone portion of a patient's elbow joint. The patient-specific alignment guide defines a first longitudinal guiding bore aligned with a reference axis associated with the elbow joint of patient when the alignment guide is mounted onto the corresponding bone portion. | 05-23-2013 |
20130158671 | Method And Apparatus For Manufacturing An Implant - An orthopedic device includes a femoral implant having a non-custom internal bone engagement surface. The femoral implant includes at least nine parameters adjusted preoperatively to correspond to a specific patient. The parameters can include patient-specific lengths, such as, for example, medial and lateral condyle widths and notch height, and patient-specific medial and lateral angles. | 06-20-2013 |
20130178859 | Distal Femoral Cutting Guide - A method of positioning a femoral cutting guide on a distal end of a femur establishes at least a first reference plane to perform a distal femoral planar cut. The method includes inserting a mounting member into an intramedullary canal of the femur and coupling a bridge member to the mounting member. The method also includes placing a cutting guide member over a medial anterior portion of the distal femur. The cutting guide member has a first channel that establishes the first reference plane. The bridge member has a bridge channel. A wall of the bridge channel is inserted into the first channel of the cutting guide member. A mounting mechanism generates resistance between the bridge member and the cutting guide member. The resistance is overcome by positioning the cutting guide member relative to the femur. | 07-11-2013 |
20130184764 | PATIENT-SPECIFIC HIGH TIBIA OSTEOTOMY - A surgical method for tibia osteotomy includes attaching a patient-specific alignment guide to a corresponding surface of a tibia of a patient for whom the alignment guide is customized during a pre-operative planning stage and making a partial bone cut in the tibia through a planar slot of the alignment guide. The planar slot is oriented at a patient-specific angle relative to an anatomic axis of the patient and the angle is customized during the pre-operative planning stage. The method includes opening the bone cut to form an opening wedge, and inserting a patient-specific implantable wedge into the opening wedge. | 07-18-2013 |
20130190883 | Knee Joint Prosthesis System and Method for Implantation - A prosthesis for replacing a knee joint between a femur and a tibia can include a femoral component, a tibial component, a bearing and a yoke assembly. The yoke assembly can have a yoke disposed between the bearing and the femoral component and an axle having an axle axis. The axle can hingedly couple the yoke with the femoral component. Rotation of the femoral component about a rotation axis that is perpendicular to the axle axis causes concurrent rotation of the yoke about the rotation axis. | 07-25-2013 |
20130197529 | Patient-Specific Knee Alignment Guide And Associated Method - A method of preparing a knee joint for a prosthesis in a patient includes mating a patient-specific three-dimensional curved inner surface of a femoral alignment guide onto a corresponding three-dimensional femoral joint surface of the patient. The patient-specific three-dimensional curved inner surface is preoperatively configured from medical scans of the knee joint of the patient. First and second holes are drilled into an anterior portion of the femoral joint surface through corresponding first and second guiding apertures of the femoral alignment guide. | 08-01-2013 |
20130211536 | Method And Apparatus For Augumenting Bone Defects - A bone augment for repairing a bone defect and associated method. The bone augment includes a porous body and a reinforcement member. The porous body defines a plurality of pores and is configured to be intraoperatively shaped to correspond to the bone defect. The reinforcement member is mounted on an exterior surface of the porous body and is configured to be intraoperatively shaped to correspond to the bone defect | 08-15-2013 |
20130282132 | Patient-Modified Implant - An orthopedic implant includes a first portion including at least one feature modified to be patient-specific and match the anatomy of a specific patient from a three-dimensional digital image of a patient's joint using computer modeling. The orthopedic implant includes a non-custom inner bone-engaging surface including a plurality of planar surfaces configured for engagement with non-custom bone cuts. | 10-24-2013 |
20130317621 | Knee Prosthesis Assembly With Ligament Link - A prosthetic knee joint assembly includes a femoral component and a bearing that supports articulation of the femoral component. The assembly further includes a tibial tray. Furthermore, the assembly includes a ligament link operably coupled to the tibial tray or the femoral component via a coupling component. The ligament link extending through the other of the tibial tray or the femoral component to couple to the respective one of the femur or tibia. The ligament link extends between first and second ends and includes an outer wall defining an interior longitudinal passage portion. First and second apertures extend through the wall. The first end extends through the first and second apertures and the longitudinal passage portion to define a first adjustable loop, and the second end extends through the first and second apertures and the longitudinal passage portion to define a second adjustable loop. | 11-28-2013 |
20130345819 | Prosthetic Device With No Damper - A prosthetic joint assembly supports articulation of a joint. The joint assembly includes a first component configured to be fixed to an anatomical feature. The first component includes a first impact surface and a second component that engages the first component. The second component includes a second impact surface that impacts the first impact surface as the first component moves relative to the second component. Furthermore, at least one of the first impact surface and the second impact surface includes a dampening member that dampens energy resulting from impact of the first and second impact surfaces. | 12-26-2013 |
20140018934 | Patient-Specific Tools And Implants - A method for preparing a femoral neck for receiving a neck implant includes resecting a femoral head from a femoral neck of a patient according to a pre-operative patient-specific plan. The method also includes removing only cancellous bone from the femoral neck and proximal femoral bone of the patient using a patient-specific broach. The patient-specific broach has a three-dimensional cutting surface matching as a negative mold a cortical/cancellous bone interface surface of the femoral neck of the patient. | 01-16-2014 |
20140018948 | Pre-Operative Planning And Manufacturing Method For Orthopedic Procedure - A pre-operative planning and manufacturing method for orthopedic surgery includes obtaining pre-operative medical image data representing a joint portion of a patient. The method also includes constructing a three-dimensional digital model of the joint portion and manufacturing a patient-specific alignment guide for the joint portion from the three-dimensional digital model of the joint portion when the image data is sufficient to construct the three-dimensional digital model of the joint portion. The patient-specific alignment guide has a three-dimensional patient-specific surface pre-operatively configured to nest and closely conform to a corresponding surface of the joint portion of the patient in only one position relative to the joint portion. The method further includes determining, from the image data, a size of a non-custom implant to be implanted in the patient and assembling a surgical kit including the non-custom implant when there is insufficient image data to construct the patient-specific alignment guide therefrom. | 01-16-2014 |
20140039507 | INSTRUMENTATION FOR KNEE RESECTION - A system for performing a resection of a selected portion of an anatomy with a resection instrument. The system includes a first member, a first movement defining portion defined by the first member, a second member, and a second movement defining portion of the second member. The first member is fixable to the selected portion of the anatomy. The second member is configured to cooperate with the first member. The first movement defining portion and the second movement defining portion are operable to allow the second member to be moveable relative to the first member from a first position to a second position. The resection instrument is positionable relative to the second member in the first position and in the second position to form a selected resection of the selected portion of the anatomy. | 02-06-2014 |
20140052270 | Patient-Specific Hip Joint Devices - An implant for a femoral head of a patient. The implant includes a shell implantable on the femoral head of the patient and correcting a defect of the femoral head. The shell is designed preoperatively to have a patient-specific first surface for articulation with the patient's acetabulum and a patient-specific periphery mateable with a periphery of the defect. The shell caps the defect and the first surface of the shell is continuous to a remaining healthy surface of the femoral head. The defect can be a bone defect, a cartilage defect or a combination thereof. | 02-20-2014 |
20140066934 | Bi-Cruciate Knee System - A tibial tray configured for use in a bi-cruciate retaining knee procedure can include a medial portion, a lateral portion, and an anterior connecting portion. The medial portion can have a medial superior bearing opposing surface, a medial inferior bone opposing surface, and a medial connecting surface. The lateral portion can have a lateral superior bearing opposing surface, a lateral inferior bone opposing surface, and a lateral connecting surface. The anterior connecting portion can connect the medial and lateral portions and cooperate with the medial and lateral portions to define a slot therebetween. The medial and lateral connecting surfaces can be formed on converging planes from respective inferior surfaces to superior surfaces of the tibial tray. | 03-06-2014 |
20140081275 | Patient-Specific Orthopedic Instruments - A method of preparing a distal femur for a knee joint implant includes mounting a patient-specific bone engagement surface of a femoral alignment guide on a complementary surface of a distal femur of a patient. A plurality of alignment pins is inserted through a corresponding plurality of guiding bores of the femoral alignment guide into the distal femur. A cutting guide is mounted on first and second alignment pins of the plurality of alignment pins, and a first resection of the distal femur is made using the cutting guide while cutting through the femoral alignment guide. | 03-20-2014 |
20140081412 | PIVOTING TIBIAL TRAY - A tibial component for implantation at a resected tibia. The tibial component includes a medial tray, a lateral tray, and a connection member between the medial tray and the lateral tray. A first fastener extends from the medial tray to the connection member along a first pivot axle to pivotably couple the medial tray to the connection member. A second fastener is spaced apart from the first fastener and extends from the lateral tray to the connection member along a second pivot axle to pivotably couple the lateral tray to the connection member. The medial tray and the lateral tray are configured to pivot independently of one another with respect to the connection member. | 03-20-2014 |
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 |
20140100578 | Patient-Specific Guides - A device for an orthopedic knee procedure. The device includes a tibial drill guide having a body portion and first and second posts extending from the body portion, the first post shorter in length than the second post. The device includes a patient-specific tibial alignment guide including a body with an inner anatomy-engaging surface shaped to closely conform and mate with a corresponding tibial joint surface. The first and second guiding receptacles define first and second inner channels sized and shaped to receive the first and second posts of the tibial drill guide. The first receptacle being shorter in length than the second receptacle, such that when the alignment guide is mounted on the tibial joint surface and the drill guide is mounted on the alignment guide, the first receptacle and the first post define a clearance gap between the tibia and the device for a patellar tendon. | 04-10-2014 |
20140107651 | Patient-Specific Acetabular Guides And Associated Instruments - A surgical kit for preparing a joint surface to receive an implant includes a patient-specific guide for a joint surface. The patient-specific guide has a patient-specific surface complementary to a surface of the joint for nesting engagement, and a guiding element oriented along a patient-specific alignment axis. The alignment axis is determined during a preoperative plan of the specific patient for implant alignment. The kit includes a guiding tool couplable to the guiding element of the patient-specific guide and a three-dimensional orientation device removably couplable the guiding tool for intra-operative calibration, such that, after calibration, the orientation device can be removably coupled to a shaft of a surgical instrument to align the shaft along the alignment axis. | 04-17-2014 |
20140114427 | REVISION KNEE TIBIAL LOCKING MECHANISM - A tibial prosthesis assembly including a tibial component and a tibial insert. The tibial component includes an inferior bone engaging surface, a superior surface, and a first retention feature. The tibial insert includes an inferior tibial component engaging surface, a superior bearing surface, and a second retaining feature. The first and the second retaining features cooperate to mate the tibial insert with the tibial component at one of a plurality of fixed rotational orientations relative to the tibial component. | 04-24-2014 |
20140135775 | Patient-Specific Osteotomy Devices And Methods - An osteotomy method includes attaching a patient-specific osteotomy guide to a corresponding surface of a tibia of a patient and making an osteotomy at a patient-specific orientation through a resection slot of the osteotomy guide. The osteotomy guide is removed and first and second faces of the osteotomy are opened to form an implant insertion angle. The first and second faces of the osteotomy are secured at the implant insertion angle and an osteotomy implant having a patient-specific wedge angle that is smaller than the implant insertion angle is implanted. The first and second faces of the osteotomy are brought to the patient-specific wedge angle and in contact with the osteotomy implant. | 05-15-2014 |
20140156019 | PROSTHESIS AND IMPLEMENTATION SYSTEM - A method of positioning a femoral prosthesis relative to a femur. The method includes forming a first curved surface on a first condyle of the femur, and securing the femoral prosthesis to the femur such that a first curved bone-engaging surface of the femoral prosthesis mates with the first curved surface formed on the femur. | 06-05-2014 |
20140277535 | Knee Prosthesis System - A knee prosthesis system constructed in accordance to one example of the present disclosure can include a femoral component, a tibial component, a first femoral component insert, a second femoral component insert, a first tibial bearing, and a second tibial bearing. The knee prosthesis system may be configured in one of a non-hinged configuration and a second hinged configuration. In the first non-hinged configuration, the first femoral component insert is positioned relative to the femoral component and the first tibial bearing is positioned onto the tibial component. In the second hinged configuration, the second femoral component insert is positioned relative to the femoral component and the second tibial bearing is positioned onto the tibial component. | 09-18-2014 |
20140309644 | Patient-Specific-Bone-Cutting Guidance Instruments And Methods - An orthopedic device for cutting or resurfacing an outer bone surface of a bone of a patient includes first and second guides. Each guide has a patient-specific surface preoperatively configured as a negative surface of a portion of the outer bone surface of the bone and a plurality of elongated slots. The elongated slots of the second guide are offset relative to the elongated slots of the first guide and configured for guiding a tool to resurface the outer bone surface. | 10-16-2014 |
20140350674 | Ligament System For Knee Joint - A system for an anatomical joint includes a first fastener, a second fastener, a prosthetic ligament member, and a biasing member associated with at least one of the first and second fasteners. The first fastener is operable to be connected to a first bone portion. The second fastener is operable to be connected to a second bone portion. The prosthetic ligament member is flexible and is directly coupled to both the first and second fasteners to support the first bone portion and the second bone portion for relative movement. A portion of the prosthetic ligament member extends from the first fastener to the second fastener and has an adjustable length. The biasing member is operable to bias the prosthetic ligament member to thereby maintain tension in the prosthetic ligament member. | 11-27-2014 |
20140378979 | Alignment Guides With Patient-Specific Anchoring Elements - A method for preparing a bone of a joint during joint arthroplasty. The method includes mounting an alignment guide on the bone of a patient along an alignment direction. The method further includes anchoring the alignment guide into a cartilage of the bone using a plurality of patient-specific anchoring elements extending from an inner surface of alignment guide, each anchoring element having a patient-specific length extending between the inner surface and an end point of the corresponding anchoring element. | 12-25-2014 |
20150032216 | KNEE PROSTHESIS - A knee joint prosthesis assembly including a femoral component and a unitary tibial component. The femoral component includes a first condyle and a second condyle. The unitary tibial component includes an engaging structure configured to rigidly secure a stationary bearing thereto. The stationary bearing is configured to articulate with the first condyle. The unitary tibial component further includes a planar tibial bearing surface configured to slidably support a mobile bearing thereon. The mobile bearing includes an inferior planar surface configured to slide along the planar tibial bearing surface and a superior surface configured to articulate with the second condyle. | 01-29-2015 |
20150051602 | X-RAY BASED CUTBLOCK POSITIONING JIG - A cut block positioning jig including a first alignment member, a second alignment member, and both first and second guide members. The first alignment member is movable towards and away from a patient's bone to which the positioning jig is mounted to arrange the jig at a predetermined position relative to the bone based on x-rays of the patient. The second alignment member is movable towards and away from the bone to arrange the jig at the predetermined position relative to the bone. The first and second guide members are configured to direct cut block support members to the bone to couple a cut block to the bone to provide the bone with patient-specific cuts. | 02-19-2015 |
20150057757 | Knee Prosthesis Assembly With Ligament Link - A method of implanting a prosthetic knee joint assembly. The method includes: coupling a femoral component to a femur, and coupling a tibial component to a tibia; coupling a ligament link to one of the femur or the tibia; coupling the ligament link to a coupling component of one of the femoral component or the tibial component; arranging the ligament link in a first position relative to the tibial component when the prosthetic knee joint assembly is implanted in a left knee; and arranging the ligament link in a second position relative to the tibial component when the prosthetic knee joint assembly is implanted in a right knee, the second position is different from the first position. | 02-26-2015 |
20150073561 | MODULAR RADIAL HEAD PROSTHESIS - A method for implanting a prosthesis system for replacement of a head portion of a proximal radius includes determining a distance between a proximal radius and a humerus. The method also includes selecting one of a first head component or a second head component based on the determination. The first and second head components have unique heights. The method further includes connecting the selected first or second head component to an articulation component and connecting a stem component to the selected first or second head component. | 03-12-2015 |
20150088293 | Pre-Operative Planning And Manufacturing Method For Orthopedic Procedure - A pre-operative planning and manufacturing method for orthopedic surgery includes obtaining pre-operative medical image data representing a joint portion of a patient. The method also includes constructing a three-dimensional digital model of the joint portion and manufacturing a patient-specific alignment guide for the joint portion from the three-dimensional digital model of the joint portion when the image data is sufficient to construct the three-dimensional digital model of the joint portion. The patient-specific alignment guide has a three-dimensional patient-specific surface pre-operatively configured to nest and closely conform to a corresponding surface of the joint portion of the patient in only one position relative to the joint portion. The method further includes determining, from the image data, a size of a non-custom implant to be implanted in the patient and assembling a surgical kit including the non-custom implant when there is insufficient image data to construct the patient-specific alignment guide therefrom. | 03-26-2015 |