Combined With Surgical Tool Patents (Class 623/22.12)
  • Patent number: 10456270
    Abstract: An implant extraction device and method are provided that are designed for the direct anterior approach method of hip implant removal. The device includes a proximal end having a first aperture for receiving the neck of a femoral implant, and a second aperture through which a clamp shaft is delivered on an axis approximately perpendicular to the longitudinal axis of the first aperture. An arcuate column extends from the proximal end. The shape of the arcuate column effectively orients the extraction device and an attachable impaction frame relative to one another such that the force applied to the frame to remove the implant is essentially parallel to the longitudinal axis of the hip implant, thus minimizing the likelihood of damage to the femur bone caused by excessive or unbalanced forces.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: October 29, 2019
    Assignee: Shukla Medical
    Inventor: Stephen M. Slater
  • Patent number: 10433965
    Abstract: An orthopedic system for delivery of a therapeutic agent to a bone includes an elongate stem adapted to be inserted into an intramedullary canal, an inlet configured to receive the therapeutic agent, and one or more outlets configured to deliver the therapeutic agent to the bone. The elongate stem may comprise one or more protrusions to engage the bone, and one or more channels extending longitudinally therein, fluidly coupled to the inlet. The therapeutic agent flows from the inlet through the one or more channels and exits into the intramedullary canal through the one or more outlets. The system may be configured to allow one or more dimensions of the system to be adjusted to accommodate the anatomy of a patient.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: October 8, 2019
    Assignee: Joint Purification Systems LLC
    Inventors: Brian C. de Beaubien, Brian Bowman, Benjamin Arnold, Erika Lin, Kristen Pena, Tina John
  • Patent number: 9820860
    Abstract: In an artificial joint that includes a head assembly attached by taper fit to a proximal portion of a surgically implanted stem, it may become necessary to surgically remove the head assembly. A puller can simultaneously apply a force distally to a non-peripheral portion of a proximal side of the head assembly and proximally to several locations spaced apart around a circumference of the distal side of the head assembly. In some examples, the proximal side of the head assembly includes a plug disposed at the non-peripheral portion. The puller can force the plug into contact with the proximal end of the stem, then apply the distal force through the plug to the stem. In other examples lacking a plug, the non-peripheral portion of the head can deform or break in response to the applied distal force, so that the distal force can apply to the stem.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: November 21, 2017
    Assignee: ZIMMER, INC.
    Inventors: Donald W. Dye, Steven Humphrey
  • Patent number: 9445888
    Abstract: An implant suitable for being anchored with the aid of mechanical vibration in an opening provided in bone tissue. The implant is compressible in the direction of a compression axis under local enlargement of a distance between a peripheral implant surface and the compression axis. The implant includes a coupling-in face which serves for coupling a compressing force and the mechanical vibrations into the implant, which coupling-in face is not parallel to the compression axis. The implant also includes a thermoplastic material which, in areas of the local distance enlargement, forms at least a part of the peripheral surface of the implant.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: September 20, 2016
    Assignee: WOODWELDING AG
    Inventors: Marcel Aeschlimann, Laurent Torriani, Mario Lehmann, Jorg Mayer
  • Patent number: 9381096
    Abstract: A prosthetic system is disclosed that can have a feature for identifying an aspect of the prosthetic member and related instruments. The identification feature can identify cooperating components of the prosthetic system, such as an implant and instruments for use with the implant.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: July 5, 2016
    Assignee: Biomet Manufacturing, LLC
    Inventors: Austen Davenport, Tyler D. Witt, Seth Nash, W. Jason Slone, Nikie Becknell
  • Patent number: 9119601
    Abstract: A kit for use in joint arthroplasty that includes a first component of a prosthesis, a second component of the prosthesis, and an assembly tool for assembling the first component to the second component. The tool includes a housing for contact with the first component and an internal component connected to the second component. The internal component includes an actuating device and an actuator rod. The actuating device has at least one scissor arm. The housing and the internal component are adapted to provide for the assembly of the first component of the prosthesis to the second component of the prosthesis.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: September 1, 2015
    Assignee: DEPUY SYNTHES PRODUCTS, INC.
    Inventors: Larry G McCleary, Jonathan E Carr, Joel C Rhoades, David W Daniels
  • Patent number: 9095452
    Abstract: A disassembly tool for disassembly of a first component of a prosthesis to a second component of the prosthesis for use in joint arthroplasty. The tool includes a first member having a radial portion operably associated with the first component and adapted to exert a radial force on the first component. A second member operably associated with the second component is also included and the second member has a second member longitudinal axis. A drive mechanism is coupled to the second member, such that as the drive mechanism is activated, the second member exerts a force against the second component in the direction of the longitudinal axis. Such exertion of force against the second member further causes the second member to move relative to the first member along the second member longitudinal axis.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: August 4, 2015
    Assignee: DEPUY SYNTHES PRODUCTS, INC.
    Inventors: Daniel N. Huff, Jeffrey A. McAnelly, Lauren E. Penley, Rodney E. Satterthwaite
  • Publication number: 20150127113
    Abstract: An orthopedic instrument for installing a new reverse hip prosthesis, particularly the acetabular cup thereof, wherein the cup can be affixed to the pelvis with or without screws. The acetabular cup is releasably attached to the instrument and the instrument is used to position the cup in the pelvis. Optional screw guides are provided in the instrument in case the surgeon wishes to use screws to affix the cup to the pelvis.
    Type: Application
    Filed: July 19, 2012
    Publication date: May 7, 2015
    Applicant: Hip Innovation Technology, LLC
    Inventor: Zafer Termanini
  • Patent number: 9017335
    Abstract: A computer assisted surgical navigation system and method is disclosed for registering the position of prosthetic hip joint components. Elements are applied to the pelvis and femur, generating a three-dimensional array. These two arrays combine to derive a reference point representing the native joint. A tracking device with a pre-determined shape and dimensions that precisely articulate with an acetabular cup component generates a third three-dimensional array. The device has a further shape and dimensions that independently articulate precisely with a neck portion of a femoral component, which represents a prosthetic joint center that is independently registered in the system. The tracking device concurrently registers the three dimensional positions of the femoral and acetabular prosthetic components, along with the prosthetic joint center and the native joint center, respectively enabling alterations in three dimensional location of the leg length and offset prior to reduction of the prosthetic joint.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: April 28, 2015
    Assignee: Blue Ortho
    Inventor: James B. Stiehl
  • Patent number: 9017415
    Abstract: A prosthetic acetabular cup impaction plate comprising an annular cup engaging surface comprising an annular array of first shape portions adapted to substantially complement portions of the natural shape of the right side acetabulum, which first shape portions are intersected by an annular array of second shape portions adapted to substantially complement the natural shape of the left side acetabulum.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: April 28, 2015
    Assignee: Stryker Ireland Ltd.
    Inventors: Antoine Coustance, Loic Pinot
  • Patent number: 9005304
    Abstract: An acetabular prosthetic device comprising at least one acetabular augment coupled to an acetabular cup by an augment coupling element to secure the acetabular prosthetic device in place wherein the acetabular cup comprises a shell having at least one groove formed on the outer surface thereof to slidably receive the augment coupling element therein and the acetabular augment comprises an augment body configured to engage the shell and the ilia bone such that the augment coupling element is moved along the groove to position the acetabular body to engage both the shell and ilia bone to secure the acetabular prosthetic device in place.
    Type: Grant
    Filed: August 15, 2013
    Date of Patent: April 14, 2015
    Inventor: George J. Haidukewych
  • Patent number: 9005303
    Abstract: The present disclosure relates to prosthetic knee implants (100), components (101,102,103,104,105) of prosthetic knee implants, and methods of fixating the components to one another and, especially fixation of the implants to bone.
    Type: Grant
    Filed: April 16, 2008
    Date of Patent: April 14, 2015
    Assignee: Smith & Nephew, Inc.
    Inventors: Graeme I. Howling, Michael Dean Hughes, Jeffrey N. Yeager, Malcolm Brown, Rhianna Moss, Mason James Bettenga, Horacio Montes De Oca Balderas
  • Patent number: 8992531
    Abstract: A total hip femoral prosthesis provides a shortened neck and more proximal coating level. Additionally, a means for strengthening the neck may be incorporated to increase stress transfer to the native bone. A method for reducing potential impingement that results from a high neck resection level includes instrumentation for cutting chamfered surfaces into the bone surrounding the proximal end of the implant. Instrumentation and methods of creating chamfered cuts are disclosed.
    Type: Grant
    Filed: June 26, 2012
    Date of Patent: March 31, 2015
    Assignee: Chow IP, LLC
    Inventors: James C. Chow, Bjorn N. Rindal, Nicholas Slater, Joshua A. Butters
  • Patent number: 8926621
    Abstract: A surgical instrument for acetabular cup implantation includes an acetabular cup, a shell body and a drive shaft. The drive shaft includes a drive rod and a handle bar. The handle bar engages the pivot for angular displacement having forward position and backward position. In the forward position the drive rod rotates the acetabular cup forward, and in the backward position the drive rod shifts backward resulting in the acetabular cup engaged the extension portion. Accordingly, the operator rotates the handle bar to control the acetabular cup inserting into the position of acetabulum. The rotation of the handle bar results in the gripping or releasing of the acetabular cup or insert from the invention. Thus the invention provides a clear and ergonomic instrument for medical personnel concerning the operation of acetabular cup implantation.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: January 6, 2015
    Assignee: United Orthopedic Corporation
    Inventor: Chih Ming Liang
  • Publication number: 20140350689
    Abstract: Devices, systems and methods for performing arthroscopic evaluations and procedures in and near the hip joint are provided. An arthroscopic assisted arthroplasty system is useful in the treatment of arthritic hip conditions, conserving healthy tissue, and limiting iatrogenic injury associated with traditional surgical exposures. A guide wire system employing retrograde and antegrade reamers along the femoral neck is useful in anatomic placement of instrumentation without formal hip dislocation. Fluoroscopy and computer assisted navigation enhance the system, methods, and apparatus. Acetabular and femoral collapsible prosthetic forms are useful in arthroscopic assisted placement. The devices, systems, and methods are effective to assist an operating surgeon in the addressing mild to moderate arthritic conditions of the femoral head and acetabulum where tissue conservation and surgical exposure morbidities should be limited.
    Type: Application
    Filed: August 12, 2014
    Publication date: November 27, 2014
    Inventor: Allston J. Stubbs
  • Publication number: 20140324182
    Abstract: A computer-aided control system, a computer-based method and a computer program or a computer program product control an implant positioning of an endoprosthesis. Planning data are generated on the basis of a preoperatively acquired first image data set. The endoprosthesis is provisionally positioned intraoperatively. A second image data set representing the current ACTUAL position of the endoprosthesis is thereupon acquired. Control data are thereupon generated, the control data serve for the fine positioning of the endoprosthesis and being based on a comparison between DESIRED and ACTUAL states.
    Type: Application
    Filed: April 24, 2014
    Publication date: October 30, 2014
    Applicant: SIEMENS AKTIENGESELLSCHAFT
    Inventors: RAINER GRAUMANN, GERHARD KLEINSZIG
  • Publication number: 20140324181
    Abstract: Embodiments of the invention are directed to a prosthetic hip system that includes acetabular alignment structures and methods. Acetabular alignment structures and methods may include use of patient-matched components configured to reduce tissue disruption during implantation.
    Type: Application
    Filed: April 24, 2014
    Publication date: October 30, 2014
    Applicant: SMITH & NEPHEW, INC.
    Inventors: Alisha W Bergin, Nathaniel M Quinn, Jackie G Carter-Horne
  • Publication number: 20140316531
    Abstract: A scalable modular hip resurfacing arthroplasty system includes (1) an alignment guide for precise guide pin insertion, (2) a modular cannulated cylindrical reamer assembly for accurate femoral head cylindrical reaming and central bone channel drilling, (3) a saw guide for an accurate femoral head osteotomy, (4) a soft tissue protector with a stepped design to shield and retract tissues, (5) a hip retractor that seats onto a prepared femur, (6) an outer hole drill guide aiding drilling of peripheral holes, and (7) a femoral resurfacing implant with a cap portion and central stem adapted for multiple modular attachments including plates. A method for preparing the proximal femur for hip resurfacing with novel stepped cylindrical femoral head osteotomy and central bone channel drilling, leaving an intact collar of cortical bone above the femoral head articular rim.
    Type: Application
    Filed: March 24, 2014
    Publication date: October 23, 2014
    Applicant: RevOrtho LLC
    Inventors: Craig Eric Klinger, Jose Bernardo Toro Arbelaez
  • Patent number: 8845748
    Abstract: A cotyle including a metallic insertion acetabular shell having an outer, essentially hemispherical, convex anchoring face formed in such a way as to be anchored in a cotyloid cavity of the pelvis of a patient, and a concave receiving face. The cotyle also includes a fixed definitive articular ceramic insert having an outer face engaging in the concave receiving face of the metallic insertion acetabular shell, and an inner receiving face including a concave, essentially hemispherical, articular surface for allowing the engagement and pivoting of a femoral prosthesis head or a mobile articular insert. The cotyle is packed in its assembled sterile state, with the definitive fixed articular ceramic insert engaged in the metallic insertion acetabular shell having a peripheral receiving structure that can receive means for fixing an impacter for positioning a cotyle and is designed in such a way that the impacter can be fixed to the cotyle in the presence of the definitive fixed articular ceramic insert.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: September 30, 2014
    Inventor: Thomas Gradel
  • Patent number: 8845749
    Abstract: A case for modular neck components for hip implants. The case may include indicators based on independent variables associated with physical characteristics of the implant, including leg length, offset, and anteversion. During surgery, the surgeon may be confronted with a need to change a preoperatively-chosen modular neck. For example, the surgeon may desire a change in at least one of the variables, e.g., leg length, offset, and/or anteversion. The case allows the surgeon to quickly and easily select a different modular neck based on an evaluation of one of the variables without requiring reevaluation of the other variables. A method described herein may include preoperative planning in which a template including a grid coordinate system is used, which advantageously provides an intuitive system for the surgeon both preoperatively and during surgery.
    Type: Grant
    Filed: May 7, 2012
    Date of Patent: September 30, 2014
    Assignee: Zimmer, Inc.
    Inventors: Steven L. Meulink, Ryan D. Schlotterback, Barish Banerjee, Steven J. Vankoski
  • Patent number: 8845747
    Abstract: A cup prosthesis includes a cup, a band disposed about the outer circumference and adjacent to the rim of the cup, an impaction cap disposed at least partially within the space defined by the inner surface and the rim of the cup, and at least one flange extending from the band connected on one end to the impaction cap.
    Type: Grant
    Filed: June 18, 2010
    Date of Patent: September 30, 2014
    Assignee: Finsbury (Development) Limited
    Inventors: Andrew Clive Taylor, Michael Anthony Tuke, Jonathan Robert Thomas Jeffers
  • Publication number: 20140277555
    Abstract: A method of implanting a hip joint prosthesis into a patient can include obtaining image data of hip joint anatomy of the patient. Physical activities that the patient desires to participate in subsequent to implanting the hip prosthesis can be determined. A size and an initial placement of the hip joint prosthesis based on the image data can be determined. A desired range of motion of the hip joint prosthesis based on the determined physical activities can be determined. A plan can be created comprising a desired implanted location of the hip joint prosthesis and based on the desired range of motion. The plan can be incorporated onto a guide. The plan can be executed with the guide thereby implanting the hip joint prosthesis into the patient at the desired implanted position.
    Type: Application
    Filed: November 1, 2013
    Publication date: September 18, 2014
    Applicant: BIOMET MANUFACTURING CORP.
    Inventors: Jason Meridew, William Jason Slone, Mark Scrafton, John White, Seth Nash
  • Publication number: 20140277556
    Abstract: Apparatus and methods of protecting modular implant connection portions are provided. A guard includes an outer sidewall and an inner sidewall defining a cavity that covers a modular implant connection portion. The modular implant connection covered with the guard can facilitate test-fitting of other modular implant components and allows reaming of the tissue around the guard.
    Type: Application
    Filed: June 2, 2014
    Publication date: September 18, 2014
    Applicant: Biomet Manufacturing, LLC
    Inventor: Aaron P. SMITH
  • Publication number: 20140236310
    Abstract: Improved tools and procedures relate to the immobilization of the sacroiliac joint for the treatment of pain associated with the joint. Kits comprise, for example, a guide element and an immobilization element of a biocompatible material with a size and shape suitable for placement within the sacroiliac joint. Suitable immobilization elements include, for example, pins, nails, screws, darts, wedges, shims and hardening material. A bioactive agent can be delivered into the joint to compliment the immobilization and promote healing. Suitable procedures can be done in a less invasive procedure through a cannula or the like.
    Type: Application
    Filed: April 17, 2014
    Publication date: August 21, 2014
    Applicant: Ilion Medical LLC
    Inventor: John G. Stark
  • Publication number: 20140188240
    Abstract: This application relates to hip replacement systems and methods. Disclosed include patient-adapted (patient-specific or patient-engineered) hip replacement systems including patient-adapted implants and patient-adapted surgical instrumentation. Related methods of making and using the systems are also disclosed.
    Type: Application
    Filed: March 15, 2013
    Publication date: July 3, 2014
    Applicant: CONFORMIS, INC.
    Inventors: Philipp Lang, John Slamin, Bruce Khalili
  • Patent number: 8764843
    Abstract: A cotyle including a metallic insertion acetabular shell having an outer, essentially hemispherical, convex anchoring face formed in such a way as to be anchored in a cotyloid cavity of the pelvis of a patient, and a concave receiving face. The cotyle also includes a fixed definitive articular ceramic insert having an outer face engaging in the concave receiving face of the metallic insertion acetabular shell, and an inner receiving face including a concave, essentially hemispherical, articular surface for allowing the engagement and pivoting of a femoral prosthesis head or a mobile articular insert. The cotyle is packed in its assembled sterile state, with the definitive fixed articular ceramic insert engaged in the metallic insertion acetabular shell having a peripheral receiving structure that can receive means for fixing an impacter for positioning a cotyle and is designed in such a way that the impacter can be fixed to the cotyle in the presence of the definitive fixed articular ceramic insert.
    Type: Grant
    Filed: January 8, 2008
    Date of Patent: July 1, 2014
    Inventor: Thomas Gradel
  • Patent number: 8758446
    Abstract: Apparatus and methods of protecting modular implant connection portions are provided. A guard includes an outer sidewall and an inner sidewall defining a cavity that covers a modular implant connection portion. The modular implant connection covered with the guard can facilitate test-fitting of other modular implant components and allows reaming of the tissue around the guard.
    Type: Grant
    Filed: March 23, 2009
    Date of Patent: June 24, 2014
    Assignee: Biomet Manufacturing, LLC
    Inventor: Aaron P. Smith
  • Publication number: 20140156019
    Abstract: 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.
    Type: Application
    Filed: February 6, 2014
    Publication date: June 5, 2014
    Applicant: Biomet Manufacturing, LLC
    Inventors: Robert Metzger, Duke A. Fox
  • Publication number: 20140156018
    Abstract: A modular acetabular cup assembly (10, 100, 200, 300, 350) for use with multiple bearing liners (32, 110, 212, 310, 354) is disclosed. The acetabular cup assembly includes a shell (12) having a tapered inner wall (28) and two circumferential grooves (24, 26). The shell (12) may be used with polyethylene, ceramic, metal, and other types of liners.
    Type: Application
    Filed: February 4, 2014
    Publication date: June 5, 2014
    Applicant: SMITH & NEPHEW, INC.
    Inventors: Charles Wayne ALLEN, Jason A. CAPRIOTTI, Michael A. CROXTON, Roger William Frank ASHTON, Justin M. WAUGH, Jeffrey J. SHEA, Sureshkumar SRINIVASAN, William L. WALTERSDORFF, Terry W. MCLEAN
  • Patent number: 8734457
    Abstract: An instrument for use in a joint replacement procedure includes a trial head that corresponds to the head of an orthopaedic joint component having an upper surface defined by a curved surface and a bore formed in a lower surface and a trial connector for connecting the trial head to a stem part of the orthopaedic joint component which is intended for location in the intramedullary cavity of a bone. The trial connector can be fitted into the bore in the trial head at a variable angular orientation.
    Type: Grant
    Filed: February 5, 2009
    Date of Patent: May 27, 2014
    Assignee: Depuy International Limited
    Inventors: Andrew Bailey, Steven Gowers
  • Publication number: 20140128987
    Abstract: Devices and methods for use in a hip replacement surgical procedure. One aspect includes methods and devices for reaming selective regions of the femoral canal. This may include reaming distal and proximal sections of the femoral canal prior to reaming a middle region of the canal. Another aspect includes a dummy implant and methods of use. The dummy implant is inserted into the femoral canal and may be used for one or more of retraction of the femur, gauging a space with the acetabulum, and further revising the femoral cut. The aspects may be used together in a single surgical procedure or separately in different surgical procedures.
    Type: Application
    Filed: November 7, 2012
    Publication date: May 8, 2014
    Inventor: Scott Kelley
  • Patent number: 8709092
    Abstract: A variety of options for for fracture fixation after total hip arthroplasty or total knee arthroplasty. The ability to pre-engineer fracture fixation contingent solutions into femoral or tibial components provides a distinct clinical advantage in the planning and execution for periprosthetic fracture fixation. Methods and apparatus include targeting devices allowing for intimate association of fixed angle locking screws in pre-drilled holes in an existing prosthetic, femoral nail, or other components including additional fixation components. Such apparatus and methods further include alignment devices and other components to allow for ease of repair of periprosthetic fractures utilizing the pre-engineered solutions.
    Type: Grant
    Filed: February 16, 2012
    Date of Patent: April 29, 2014
    Assignee: Genesis Medical Devices, LLC
    Inventors: Daniel Nick Segina, James A. Proctor, Jr., James A. Proctor, III
  • Patent number: 8702805
    Abstract: An acetabulum surgical resurfacing aid that includes a body conformed to fit an acetabulum of a patient is presented. A portion of the body is further conformed to fit an acetabular fossa of the patient. One or more arms extend outward from the body and are configured to fit the surface of the acetabulum. A support extends from the body beyond the acetabulum. An alignment tube guide connects to the support.
    Type: Grant
    Filed: July 2, 2009
    Date of Patent: April 22, 2014
    Inventor: Harutaro Trabish
  • Patent number: 8700198
    Abstract: Systems, devices, and methods are provided for orthopedic implants. The implants may include a base member, such as an acetabular shell or an augment, that is configured to couple with an augment, flange cup, mounting member, or any other suitable orthopedic attachment. Any of the implantable components may be include one or more porous surfaces. The porous surface may be textured by protrusions that connect to and extend from the surface. The sizes and concentration of the protrusions may be varied for specific applications to accommodate different implants and patient anatomies. A porous implant may also include one or more internal or external solid portions that strengthen the implant.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: April 15, 2014
    Assignee: Smith & Nephew, Inc.
    Inventors: Justin Steve Conway, Ryan L. Landon, Jeffrey Joel Shea
  • Publication number: 20140094925
    Abstract: An orthopaedic surgical instrument and method for positioning an acetabular prosthetic component in a patient's surgically-prepared acetabulum is disclosed. The orthopaedic surgical instrument has a base configured to engage the patient's pelvis, a first linkage pivotally coupled to the base, a locking mechanism operable to lock the first linkage in position relative to the base, and a second linkage removably coupled to the first linkage. The second linkage has an alignment axis corresponding to a desired abduction angle and a desired anteversion angle of the acetabular axis of the acetabular prosthetic component.
    Type: Application
    Filed: March 6, 2013
    Publication date: April 3, 2014
    Inventor: Rodney E. Satterthwaite
  • Publication number: 20140074248
    Abstract: The instrument has a collet (19) that has at least two clamping jaws (18, 18?) for engaging an engaging means (4) on an implant body (1). The collet is received in a sleeve portion (20), the free end (21) of which has a support portion (22) that can be supported on the surface of the implant. A tension element (23) that engages the collet is used as an actuating means for actuating the collet. The outer faces of the clamping jaws interact with the inner face of the sleeve portion such that the collet can be closed and moved relative to the free end of the sleeve portion by pulling the tension element.
    Type: Application
    Filed: April 23, 2012
    Publication date: March 13, 2014
    Inventors: Andreas Meyenhofer, Christian Gugler
  • Patent number: 8568487
    Abstract: 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.
    Type: Grant
    Filed: December 23, 2010
    Date of Patent: October 29, 2013
    Assignee: Biomet Manufacturing, LLC
    Inventors: Tyler D. Witt, Jason D. Meridew, John R. White, Troy W. Hershberger, Robert Metzger
  • Publication number: 20130245779
    Abstract: A femoral prosthesis. The femoral prosthesis includes an implant body having a proximal end and a distal end and a shoulder at the proximal end, the shoulder being structured and dimensioned for a tight press fit into the neck of a femur. The implant body includes a trunk at the distal end, the trunk having a wedge formed by a tapered portion extending in the direction of the distal end of the implant body. The implant body also includes a medial column extending from the shoulder toward the distal end and a lateral column extending from the shoulder toward the distal end. The wedge, the medial column, and the lateral column to provide multi-planar stability for the implant body and surface area for fixation of the implant body.
    Type: Application
    Filed: March 5, 2013
    Publication date: September 19, 2013
    Applicant: CONCEPT, DESIGN AND DEVELOPMENT, LLC
    Inventors: Bradley Walter, Declan Brazil, Timothy McTighe
  • Patent number: 8518050
    Abstract: An assembly tool for assembly of a first component of a prosthesis to a second component of the prosthesis. The tool includes a housing defining a housing longitudinal axis thereof. An internal component is also provided and is connected to the second component and includes an actuating device and an actuator rod defining a second longitudinal axis that is coexistent with the housing longitudinal axis. The internal component is adapted to provide relative motion of the internal component with respect to the housing when the actuating device is moved relative to the housing in at least a direction transverse to the housing longitudinal axis and the actuator rod of the internal component is moved relative to the housing in a direction parallel to the housing longitudinal axis.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: August 27, 2013
    Assignee: Depuy Synthes Products, LLC
    Inventors: Larry G. McCleary, Jonathan E. Carr, Joel C. Rhoades, David W. Daniels
  • Patent number: 8500744
    Abstract: A cap used during the insertion of an acetabular cup prosthesis. The cap includes impaction plate having an upperside and an underside. The impaction plate includes a plurality of separate sectors mutually connected at a connection point on the impaction plate by flanges. Each sector includes interlocking elements which in use enable the impaction plate to be connected to an introduction tool. The cap also includes at least one lug extending downwardly from the underside of each sector. The lug is located at the portion of the underside of the impaction plate which will in use enable the lug to be interconnected with a corresponding recess on an internal wall, an external wall or a rim of a prosthesis.
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: August 6, 2013
    Assignee: Finsbury (Development) Limited
    Inventors: Robert Michael Wozencroft, Michael Anthony Tuke, Nicholas Lee Hawson
  • Publication number: 20130190887
    Abstract: Presented are methods and systems for determining, monitoring, and displaying the relative positioning of two rigid bodies during surgery. In particular, the present disclosure relates to methods and systems for positioning a prosthesis relative to a bone during a surgery as well as to systems and methods for verifying resulting relative positioning of adjacent bones.
    Type: Application
    Filed: March 8, 2013
    Publication date: July 25, 2013
    Applicant: AVENIR MEDICAL INC.
    Inventor: AVENIR MEDICAL INC.
  • Patent number: 8449551
    Abstract: A device (10,10?,20,20?) for digitizing a center of rotation of a hip joint implant component (A,F) with respect to a bone element in computer-assisted surgery. The device (10,10?,20,20?) comprises a detectable member (12,22) trackable for position and orientation by a computer-assisted surgery system (30). A body (11,21) is connected to the detectable member (12,22) in a known geometry. The body (11,21) has a coupling portion (14,14?,24,25) adapted to be coupled to the hip joint implant component (A,F) in a predetermined configuration. The center of rotation of the hip joint implant component (A,F) is calculable in the predetermined configuration as a function of the known geometry and of the position and orientation of the detectable member (12,22).
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: May 28, 2013
    Assignee: Orthosoft Inc.
    Inventors: Louis-Philippe Amiot, Herbert André Jansen, Isabelle Fontaine, Daniel Odermatt
  • Patent number: 8444653
    Abstract: A system for implanting a prosthetic device with an opening into a bone includes a plug that is removably received within the opening of the prosthetic device. The system also includes a bone removal tool that advances into the bone from outside the bone and that removes a portion of the bone while advancing into the bone to reveal the plug. The bone removal tool includes a plug engaging portion that engages with the plug. The bone removal tool at least partially removes the plug from the opening of the prosthetic device while engaged with the plug. Moreover, the system includes an alignment system that detects whether the bone removal tool and the plug are substantially axially aligned.
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: May 21, 2013
    Assignee: Biomet Manufacturing Corp.
    Inventors: Jeffrey H. Nycz, Brian D. Salyer, Jon C. Serbousek
  • Patent number: 8428693
    Abstract: A method for selecting modular neck components for hip implants based on independent variables associated with physical characteristics of the implant, including leg length, offset, and anteversion. During surgery, the surgeon may be confronted with a need to change a preoperatively-chosen modular neck. For example, the surgeon may desire a change in at least one of the variables, e.g., leg length, offset, and/or anteversion. The present method allows the surgeon to quickly and easily select a different modular neck based on an evaluation of one of the variables without requiring reevaluation of the other variables. The method may include preoperative planning in which a template including a grid coordinate system is used.
    Type: Grant
    Filed: April 12, 2010
    Date of Patent: April 23, 2013
    Assignee: Zimmer, Inc.
    Inventor: Steven L. Meulink
  • Patent number: 8419743
    Abstract: An assembly tool comprises in an assembled configuration a proximal implant fastener, a distal implant fastener, and a compression member. The assembly tool is operable to hold in the assembled configuration a proximal implant partially engageable with a distal implant during implantation and axial impaction. Axial impaction is exerted through the compression member of the assembly tool. The assembly tool is also operable to securely lock the tapers of proximal and distal implants after impaction by rotating the compression member.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: April 16, 2013
    Assignee: Biomet Manufacturing Corp.
    Inventors: Aaron P. Smith, Tyler D. Witt, Andrew Freiberg
  • Patent number: 8419799
    Abstract: An assembly tool (1) for assembly of a first component (2) of a prosthesis (4) to a second component (6) of the prosthesis (4) for use in joint arthroplasty is provided. The tool (1) includes a first member (8) operably associated with the first component (2). The first member (8) defines a first member longitudinal axis (10) of the first member (8). The tool also includes a second member (12) operably associated with the second component (6). The second member (12) defines a second member longitudinal axis (14) of the second member (12). The second member (12) is adapted to provide relative motion of the second member (12) with respect to the first member (8) when the second member (12) is rotated relative to the first member (8) about the second member longitudinal axis (14).
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: April 16, 2013
    Assignee: DePuy Products, Inc.
    Inventors: Kimberly Ann Dwyer, David Wayne Daniels, Brad Alan Parker
  • Patent number: 8400312
    Abstract: An operation assisting system. When an operator manipulates an operation instrument to perform an operation for a joint surgery including a hip replacement, the operation assisting system provides the operator with information on the orientation of a bone such as a pelvis and an appropriate direction of the operation instrument relative to the bone to assist the operator so as to complete the operation in an easy and accurate manner, which ensures a high degree of operation accuracy and reduces the cost of the system.
    Type: Grant
    Filed: October 9, 2007
    Date of Patent: March 19, 2013
    Assignee: Saga University
    Inventors: Takao Hotokebuchi, Kenbu Teramoto, Masamori Shigematsu
  • Patent number: 8394106
    Abstract: A shroud for protecting exterior portions of a prosthetic implant from adhesive and a method for utilizing the same. The shroud includes a hub, a rim, and at least one bridge connecting the hub and the rim. The rim of the shroud may be sized to cover substantially the same area as a guard of the implant. The method of utilizing the shroud involves securing the shroud to the prosthetic implant. A quantity of adhesive is provided, and the prosthetic implant is secured thereto. The shroud is removed from the implant, and then the guard is secured to the implant.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: March 12, 2013
    Assignee: Zimmer, Inc.
    Inventors: Ryan T. Ward, Mark A. Wise
  • Patent number: 8361077
    Abstract: An insertion instrument comprising an elongate shaft, a suction head provided at the front end thereof for connection to a joint socket, a suction device with a piston guided in the shaft, a suction line opening out at the suction head, and an actuating element which is guided along a guiding track on the shaft. The guiding track can be helically shaped and have a locking arrangement, preferably in the form of a recess, for the actuating element in a suction position. Due to the helical shape of the guiding track, the actuating element executes a rotational and longitudinal movement during its displacement. The longitudinal movement produces a negative pressure in the suction line ensuring maintenance of the pressure, while the rotating movement causes rotation of the actuating element such that it reaches its locking position at the end of the guiding track, providing simplified handling of the instrument.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: January 29, 2013
    Inventor: Arnold Keller
  • Patent number: 8361162
    Abstract: This invention relates to an orthopaedic joint prosthesis implant kit (2). The implant kit comprises a stem component (4) of an orthopaedic joint prosthesis which is intended for articulation with a mating component of the joint. The stem component has a distal end (6) and a proximal end (8), and a neck part (10) at the proximal end, and is configured for fixation in a bone cavity-using bone cement material with the distal end within the cavity and the proximal end at the opening of the cavity, and with the neck part protruding from the cavity towards the mating component of the joint. The implant kit further comprises a positioning kit (18), at least one spacer (20, 22, 24) for location between the wall of the cavity and the stem component at its proximal end, and a delivery device (26).
    Type: Grant
    Filed: August 22, 2006
    Date of Patent: January 29, 2013
    Assignee: DePuy International Limited
    Inventors: Daniel Berry, Andrew Donn, Brian Griffiths, Fiona Haig, Graham Isaac, Thomas Schmalzried