Femoral Head Patents (Class 606/89)
  • Patent number: 10327694
    Abstract: Devices and methods are disclosed for quantifying temporal changes in human anterior cruciate ligament (ACL) structural properties, such as Anterior-Posterior tibial shear force (TSF) and Anterior-Posterior tibial shear displacement (TSD) for testing ACL overuse injury during training and minimizing or preventing ACL injury.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: June 25, 2019
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventor: David Hawkins
  • Patent number: 10307174
    Abstract: An apparatus for providing a reference indication to a patient tissue includes a primary locating block having a patient-specific primary mating surface contoured for mating contact with a portion of the patient tissue in a predetermined primary mating orientation custom-configured responsive to preoperative imaging of the patient tissue. At least one mounting feature is provided to the primary locating block. At least one secondary item is configured for selective engagement with the primary locating block. The secondary item is at least one of a noncustomized secondary item and a patient-specific secondary item. The secondary item provides a reference indication to at least a portion of the patient tissue. The mounting feature of the primary locating block is configured for engagement with at least one secondary item in a predetermined secondary mounting relationship. The secondary mounting relationship is custom-configured for the patient tissue responsive to preoperative imaging of the patient tissue.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: June 4, 2019
    Assignee: THE CLEVELAND CLINIC FOUNDATION
    Inventors: Joseph P. Iannotti, Wael K. Barsoum, Jason A. Bryan
  • Patent number: 10278711
    Abstract: 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.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: May 7, 2019
    Assignee: Biomet Manufacturing, LLC
    Inventors: Jason D. Meridew, Tony Siebeneck, Robert Metzger
  • Patent number: 10034754
    Abstract: A surface protection system comprising a protective sleeve positionable over an orthopedic tool or implant, for example the tapered end of an orthopedioc femoral stem implant to shield the covered surface from exposure to abrasive particles during an automated polishing process is described. The protective sleeve comprises a body having an annular sidewall that extends from a proximal end to a distal end and is composed of a polymeric material. A cavity resides within the body extending through the distal end to a proximal end sidewall positioned perpendicular to the annular sidewall. The protective sleeve further comprises at least one annular recess intermediate at least two annular ridges that reside along an interior surface at the distal end of the sleeve. These series of annular ridges and recesses form a removably tight seal around the exterior surface that minimizes the migration of abrasive polishing particles to the exterior surface of the orthopedic tool or implant.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: July 31, 2018
    Assignee: Greatbatch Medical S.A.
    Inventor: Luc Vautrin
  • Patent number: 9839434
    Abstract: An orthopedic guide for preparing a particular patient's bone to receive a prosthesis using a milling tool with a rotating burr comprises a platform having a top surface and a bottom surface adapted to face the patient's bone. The platform defines an elongate milling track that extends through the platform from the top surface to the bottom surface of the platform, the milling track being sized and shaped so as to be adapted to guide the milling tool across the patient's bone with the burr of the milling tool rotating beneath the bottom surface of the platform to be adapted to remove a first bone portion from the patient's bone. A plurality of legs are coupled to the platform and each comprise a referencing end that is contour-matching fabricated as a function of the patient's bone data to be adapted to abut the patient's bone, the referencing ends of the plurality of legs adapted to cooperate to locate the orthopedic guide at a single predetermined location of the patient's bone.
    Type: Grant
    Filed: October 19, 2010
    Date of Patent: December 12, 2017
    Assignee: ZIMMER, INC.
    Inventors: Anthony P. Romano, Justin J. May
  • Patent number: 9668757
    Abstract: Embodiments of devices, apparatuses, kits, and methods for repairing and/or augmenting the articular surface and/or articular rim of a joint (e.g., repairing the anterior glenoid rim after an anterior shoulder dislocation).
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: June 6, 2017
    Assignee: ARTHROSURFACE, INC.
    Inventors: Steven Ek, Anthony Miniaci
  • Patent number: 9526514
    Abstract: A patient-specific total hip arthroplasty system including surgical guide and jig instrumentation modeled by computer aided design using image data derived from a specific patient's relevant anatomy. Patient-specific jigs fit surface topography of portions of the acetabulum and femur of the patient and are designed to guide surgical implantation at very precise geometries unique to each patient. Patient-specific pin-locating jigs, pin-rail and spacer systems, acetabular reaming and impacting jigs, and femoral resection and version jigs are fabricated pre-operatively according to the models. Methods for fabricating jig components of the system and methods of performing a total hip arthroplasty utilizing the system are also disclosed.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: December 27, 2016
    Assignee: University of Cincinnati
    Inventors: Todd Kelley, Vasile Nistor, Earnest Christopher Casstevens, Justin Miller, Jacob James Stegman
  • Patent number: 9339281
    Abstract: The present application relates to surgical guiding tools that may be used for guiding a surgical instrument during bone surgery. A surgical guiding tool may include a body including one or more clamps configured to attach the surgical guiding tool to one or more portions of the bone, wherein a first clamp of the one or more clamps includes a snap-fit portion including a flexible structure for increasing a clamping force of the first clamp and allowing ease of removal of the surgical guiding tool from the bone. The surgical guiding tool may further include at least one aperture for guiding a surgical instrument. The present application further provides methods for manufacturing surgical guiding tools and uses of the tools for placement onto a bone.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: May 17, 2016
    Assignee: Materialise N.V.
    Inventors: Louis Keppler, Nele Daeman, Katerina Nikonenko
  • Patent number: 9326781
    Abstract: An apparatus for providing a reference indication to a patient tissue includes a primary locating block having a patient-specific primary mating surface contoured for mating contact with a portion of the patient tissue in a predetermined primary mating orientation custom-configured responsive to preoperative imaging of the patient tissue. At least one mounting feature is provided to the primary locating block. At least one secondary item is configured for selective engagement with the primary locating block. The secondary item is at least one of a noncustomized secondary item and a patient-specific secondary item. The secondary item provides a reference indication to at least a portion of the patient tissue. The mounting feature of the primary locating block is configured for engagement with at least one secondary item in a predetermined secondary mounting relationship. The secondary mounting relationship is custom-configured for the patient tissue responsive to preoperative imaging of the patient tissue.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: May 3, 2016
    Assignee: THE CLEVELAND CLINIC FOUNDATION
    Inventors: Joseph P. Iannotti, Wael K. Barsoum, Jason A. Bryan
  • Patent number: 9248002
    Abstract: An alignment system for aligning an acetabular cup insertion instrument utilizes pre-operative preferably standing x-rays and intra-operative x-rays to allow the surgeon to compensate for the position of a patient on an operating room table. The system uses a programmable computer connected to a digital x-ray system and an navigation tracking system to provide input for calculating the inclination and anteversion angles of an acetabular cup impactor based on a pre-operative plan developed from the standing x-rays. The system calculates changes in lengths and angles between anatomic landmarks on the pelvis to alter the intra-operative orientation of the acetabular reaming and impacting instruments to produce the desired inclination and anteversion angles when the pelvis is reoriented as the patient is placed on an operating table.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: February 2, 2016
    Assignee: Howmedica Osteonics Corp.
    Inventor: Thomas Francis McCarthy
  • Patent number: 9241745
    Abstract: An orthopedic device includes a monolithic patient-specific guide. The patient-specific guide includes a three-dimensional contact surface preoperatively configured from medical scans of a specific patient as a negative surface of a medial portion of a proximal femoral bone of the patient according to a preoperative surgical plan for the patient. The guide also includes a proximal planar surface configured for guiding a resection of a femoral neck of the patient, and a scale formed on the planar surface. The scale is configured for indicating a preoperatively planned femoral version of a femoral stem implant and deviations therefrom.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: January 26, 2016
    Assignee: BIOMET MANUFACTURING, LLC
    Inventors: Aaron P. Smith, Jason D. Meridew
  • Patent number: 9204884
    Abstract: A device and method for resecting a distal portion of a femur comprises a distal cutting guide [98], a valgus guide [102], and a variable collet [10]. The distal cutting guide [98] is configured to overlie an anterior portion of the femur and comprises a slot for guiding a cutting tool across a distal portion of the femur. The valgus guide [102] is configured to connect to the distal cutting guide [98]. The valgus guide [102] is configured to align the slot of the distal cutting guide [98] at the proper varus/valgus angle. The variable collet [10] is configured to attach to an intramedullary rod and the valgus guide [102]. The variable collet [10] comprises a port [30] for receiving the intramedullary rod. The port [30] is angularly adjustable with respect to the valgus guide [102] such that adjusting the port [30] adjusts the varus/valgus angle of the distal cutting guide [98].
    Type: Grant
    Filed: October 4, 2007
    Date of Patent: December 8, 2015
    Assignee: Smith & Nephew, Inc.
    Inventors: Roger Ryan Dees, Jason Sean Jordan
  • Patent number: 9186154
    Abstract: Patient-specific instruments for preparing bones for receipt of orthopedic prostheses, such as the distal tibia and the talus in a total ankle arthroplasty (TAA) procedure. A tibial guide and a talar guide are manufactured based on patient-specific anatomical data obtained using imaging technology, and each guide includes a surface conforming to selected anatomical surfaces or regions of the tibia or talus, respectively. Each guide includes at least one cut referencing surface, such as a cut slot, to guide a resection, and may also include a guide aperture sized to guide a reaming tool for reaming the distal tibia or talus. The guides may also include pin holes positioned within a periphery defined by the cut referencing surfaces such that, when the resections are made and the resected tibial bone portion or talus bone portion is removed, the guide and its associated pins are removed along with the resected bone portion.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: November 17, 2015
    Assignee: ZIMMER, INC.
    Inventor: Jia Li
  • Patent number: 9113914
    Abstract: A resection guide locator includes a bone engagement portion with surfaces that are complementary to the surface topographies of a bone to be resected during surgery. A housing includes a socket defined by a resilient annular wall that is sized and arranged so to accept a resection guide by press-fit to thereby position and hold the resection guide within the socket. The resection guide is maintained in a predetermined, preferred position while the surfaces are releasably locked in position on the bone. A method is disclosed for forming and using the resection guide locator.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: August 25, 2015
    Assignee: Microport Orthopedics Holdings Inc.
    Inventors: Michael Carroll, Richard Obert, Paul Stemniski
  • Patent number: 9066805
    Abstract: An arthroplasty plate and method of use to repair a fractured end of a bone are described. The arthroplasty plate comprises a fixation plate (2) arranged to be secured to a surface of a bone and a connector assembly (6) comprising a barrel (18) extending from the fixation plate and having a bore which opens through the fixation plate. A connector rod (22) is arranged to slide within the bore of the barrel. An articulation component (4) comprises a bearing surface coupled to or arranged to couple to an end of the connector rod which extends from the barrel away from the fixation plate. The connector assembly incorporates an adjustment mechanism (24) arranged to cause the connector rod to slide into or out of the barrel and a locking mechanism (26) arranged to lock the position of the connector rod within the barrel to rigidly space the articulation component apart from the fixation plate.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: June 30, 2015
    Assignee: DEPUY (IRELAND)
    Inventors: David Berchoux, Sylvain Gauthier, Anders Ekelund
  • Patent number: 9066727
    Abstract: An orthopedic device for joint arthroplasty includes a patient-specific alignment guide constructed and configured for a specific patient from medical scans that show a bone surface of a bone of the patient without any overlying soft tissue. The patient-specific alignment guide includes a patient-specific inner surface configured to be offset from and mimic the bone surface and form a clearance for soft tissue overlying the bone surface. The alignment guide also includes a plurality of patient-specific contact areas configured to mate and register directly on the bone surface without intervening soft tissue for direct bone registration. The plurality of patient-specific contact areas includes non-contiguous surface contact areas.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: June 30, 2015
    Assignee: MATERIALISE NV
    Inventors: Joshua B. Catanzarite, Ryan J. Schoenefeld
  • Patent number: 9044345
    Abstract: A method for placing a pelvic implant including a cup and a femoral stem includes planning at least one of a location of the cup within a pelvis and a location of the stem within a femur such that a combined anteversion between a predetermined cup component and a predetermined femoral stem component satisfies a predetermined combined anteversion.
    Type: Grant
    Filed: May 22, 2007
    Date of Patent: June 2, 2015
    Assignee: Brainlab AG
    Inventors: Blaine Warkentine, Heiko Mueller
  • Publication number: 20150148807
    Abstract: Aspects of the present disclosure involve systems, methods, computer program products, and the like, for utilizing a series of images of a patient's anatomy to determine a cut plane for use during a hip replacement procedure. To determine a cut plane for use during the procedure, the computer program determines a best fit line through the center of the neck of the femur, as well as a best fit line through the femoral shaft. In one particular embodiment, a cut plane through the femur may then be determined as perpendicular to the center line through the neck of the femur. Further, the location of these features in the images may be determined by analyzing the gray scale value of one or more pixels around a selected point on the image. The pixel with the lowest gray scale value may then be assumed to be the edge of the cortical bone in the 2D image.
    Type: Application
    Filed: November 21, 2014
    Publication date: May 28, 2015
    Applicant: Somersault Orthopedics Inc.
    Inventor: Ilwhan Park
  • Publication number: 20150133943
    Abstract: A bone resection guide, which includes a profiling guide. The profiling guide includes a first planar bone contact surface, a first guide surface and at least one outline corresponding to at least a portion of a first implant.
    Type: Application
    Filed: November 8, 2013
    Publication date: May 14, 2015
    Applicant: Stryker Corporation
    Inventors: Stuart L. Axelson, JR., Michael A. McGovern, Rahul Ramachandran
  • Publication number: 20150100059
    Abstract: Methods, systems and devices are provided for facilitating a surgical procedure on a knee, particularly, a revision total knee replacement procedure. Prior femoral and tibial prostheses are removed. A cut end of a distal femur is engaged with a femoral adjustment member, which will typically center itself about an intermedullary rod placed into the femur. The lateral and medial forces exerted by lateral and medial sides of the femoral adjustment member and the cut tibial plateau against each other are measured. The femoral adjustment member is adjusted to apply and or adjust tension to the lateral collateral ligament and/or the medial collateral ligament based an the measured forces, for example, such that the measured lateral force and the measured medial force are matched. Based on the position of the adjusted femoral member, guided clean-up cuts for placement of a new femoral prostheses are made on the cut end of the distal femur.
    Type: Application
    Filed: December 9, 2014
    Publication date: April 9, 2015
    Inventors: Barjinder S. Chana, Michael G. Fisher
  • Patent number: 8998916
    Abstract: New apparatuses and methods for their design and use are disclosed that can be used to assist a surgeon in placing a guide pin during hip surgery. Specifically, a hip surgery method is disclosed in which an image of a patient's femur can be obtained and used to design and prepare a mold that contains an aperture for guiding a drill at the desired location and angle. During surgery the mold can be quickly and accurately positioned on the exposed femur head. Then, a drill bit can be inserted through the aperture and an opening for a pin can be drilled into the femur head. The mold can have a unique contoured surface adapted to fit to the femur head in a single unique position such that the opening is made in a unique desired position. The apparatuses and methods facilitate faster, more accurate surgery and are less invasive.
    Type: Grant
    Filed: May 2, 2011
    Date of Patent: April 7, 2015
    Assignee: Smith & Nephew, Inc.
    Inventor: Robert J. Daley
  • Patent number: 8961527
    Abstract: Disclosed herein is a method of defining a mating surface in a first side of an arthroplasty jig. The mating surface is configured to matingly receive and contact a corresponding patient surface including at least one of a bone surface and a cartilage surface. The first side is oriented towards the patient surface when the mating surface matingly receives and contacts the patient surface. The method may include: a) identifying a contour line associated with the patient surface as represented in a medical image; b) evaluating via an algorithm the adequacy of the contour line for defining a portion of the mating surface associated with the contour line; c) modifying the contour line if the contour line is deemed inadequate; and d) employing the modified contour line to define the portion of the mating surface associated with the contour line.
    Type: Grant
    Filed: December 31, 2012
    Date of Patent: February 24, 2015
    Assignee: OtisMed Corporation
    Inventor: Ilwhan Park
  • Patent number: 8956366
    Abstract: A prosthetic acetabular cup inserter and impactor has an expandable annular cup engaging element to engage the inner surface of a cup to be inserted in the acetabulum. An expander is provided for expanding the cup engaging element which is connected to one end of a handle via a hollow or partly hollow extension portion. The other end of the handle is provided with an anvil. An elongate operator is located within the extension portion and connected to the cup engaging element. A device is provided for moving the elongate operator to pull the cup engaging element towards the expander.
    Type: Grant
    Filed: June 20, 2013
    Date of Patent: February 17, 2015
    Assignee: Benoist Girard SAS
    Inventors: Arnaud Aux Epaules, Antoine Coustance
  • Publication number: 20150039095
    Abstract: Disclosed are systems, methods, devices and surgical techniques for joint arthroplasty, including implant components that facilitate the position and implantation of a hip replacement using cutting guides and various femoral implant arrangements.
    Type: Application
    Filed: August 5, 2014
    Publication date: February 5, 2015
    Inventor: William B. Kurtz
  • Patent number: 8945130
    Abstract: The present invention relates to a tool attachment for medical applications, comprising: a connecting section which is at rest relative to the part of the bone while the part of the bone is being machined; at least one machining section for machining a part of the bone; a fastening facility for fastening the tool attachment to a control device, wherein the connecting section is designed to connect the tool attachment, such that it is stationary, to a tool attachment guide.
    Type: Grant
    Filed: June 4, 2010
    Date of Patent: February 3, 2015
    Assignee: Brainlab AG
    Inventor: Gregor Tuma
  • Publication number: 20150032114
    Abstract: A cutting guide with a sagittal guide plate is made available for generating an outer contour on a bone in order to apply a joint endoprosthesis, in particular a femoral component of a knee endoprosthesis. The cutting guide according to the invention can be oriented relative to the bone and has at least two sagittal guide slits for guiding a bone-cutting tool, wherein the sagittal guide slits extend through the sagittal guide plate and are arranged at an angle to each other.
    Type: Application
    Filed: August 24, 2012
    Publication date: January 29, 2015
    Applicant: WALDEMAR LINK GMBH & CO. KG
    Inventor: Klaus Dmuschewsky
  • Publication number: 20140378979
    Abstract: 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.
    Type: Application
    Filed: September 11, 2014
    Publication date: December 25, 2014
    Inventors: Kevin T. STONE, Thomas J. MAUCH, Robert METZGER
  • Publication number: 20140364857
    Abstract: Various devices, surgical tools, molds, methods and/or surgical techniques are disclosed herein that incorporate a variety of features to improve and/or simplify the preparation of a patient's anatomical surfaces for installation of joint implant replacement and/or resurfacing components.
    Type: Application
    Filed: February 7, 2013
    Publication date: December 11, 2014
    Inventors: Raymond A. Bojarski, Thomas Minas, Wolfgang Fitz
  • Publication number: 20140358149
    Abstract: Various exemplary embodiments relate to a method of performing an anterior approach hip replacement. The method may include: exposing a surgical site including the femoral neck and acetabulum using a plurality of retractors secured to the plurality of accessory arms; cutting the femoral neck to remove the femoral head; preparing the acetabulum for insertion of an acetabular cup; preparing the femur for insertion of a femoral implant by lifting the femur using a femur hook and the femur distractor; and closing the surgical site. In various alternative embodiments, the method may include using a lesser trochanteric retractor corning from a direct medial approach and a greater trochanteric retractor coming from a lateral, posterior, proximal approach.
    Type: Application
    Filed: August 18, 2014
    Publication date: December 4, 2014
    Inventors: Lawrence Richard Menendez, Daniel C. Allison, Daniel Bass, Bob Mastny, Terry Johnston
  • Patent number: 8900246
    Abstract: A modular femoral prosthesis for use during performance of a hip revision procedure includes a proximal body component, a distal stem component, and a locking bolt. Surgical instruments and methods for use in implanting such a modular femoral prosthesis are disclosed.
    Type: Grant
    Filed: April 5, 2012
    Date of Patent: December 2, 2014
    Assignee: DePuy Synthes Products, LLC
    Inventors: Daniel E. Lashure, Larry G. McCleary, William Muhammad, Michael J. Fortin, Jonathan E. Carr, Rodney E. Satterthwaite
  • Patent number: 8900241
    Abstract: In some examples, a method for at least one of preparation or machining of a femoral head formed on a neck of a femur includes selecting an instrument including probing forceps and a guide element including a centering axis. The guide element is coupled to the probing forceps at first and second coupling points disposed along the centering axis such that the centering axis is disposed in a central plane of the probing forceps independent of an opening angle of the probing forceps. The probing forceps are closed with probing jaws symmetrically contacting the neck of the femur at opposite sides with respect to an axis of the neck of the femur. The guide element self-adjusts with closing of the probing forceps so that the centering axis is automatically aligned in the middle with respect to the two oppositely disposed sides of the neck of the femur.
    Type: Grant
    Filed: July 26, 2012
    Date of Patent: December 2, 2014
    Assignee: Zimmer GmbH
    Inventors: Roland Willi, Marcel Hinder, Andreas Marchione
  • Patent number: 8882780
    Abstract: New apparatuses and methods for their design and use are disclosed that can be used to assist a surgeon in placing a guide pin during hip surgery. Specifically, a hip surgery method is disclosed in which an image of a patient's femur can be obtained and used to design and prepare a mold that contains an aperture for guiding a drill at the desired location and angle. During surgery the mold can be quickly and accurately positioned on the exposed femur head. Then, a drill bit can be inserted through the aperture and an opening for a pin can be drilled into the femur head. The mold can have a unique contoured surface adapted to fit to the femur head in a single unique position such that the opening is made in a unique desired position. The apparatuses and methods facilitate faster, more accurate surgery and are less invasive.
    Type: Grant
    Filed: July 10, 2008
    Date of Patent: November 11, 2014
    Assignee: Smith & Nephew, Inc.
    Inventor: Robert J. Daley
  • Publication number: 20140324054
    Abstract: An adjustable device for defining a cutting plane for bone resection comprising a base positionable on the bone and a cut-guiding element placeable on the base. The cut-guiding element includes a cut-guiding structure for guiding a cutting tool in the cutting plane, the cut-guiding element being tiltable relative to the base about at least one first axis by an adjustable tilt mechanism to adjust the angle of the cutting plane. The tilt mechanism includes a rectilinear guide and a slide that is linearly displaceable along the guide in the longitudinal direction. The tilt mechanism includes a guide portion relative to which an effective portion of the slide is displaced; the guide portion and the effective portion having interacting structures forming a sliding guide effective at a right angle to the longitudinal direction.
    Type: Application
    Filed: November 2, 2012
    Publication date: October 30, 2014
    Inventors: Klaus Dmuschewsky, Amos Balzarini
  • Patent number: 8858561
    Abstract: An orthopedic apparatus includes an alignment guide attachable to one of a femoral joint surface of a femur of a patient. The alignment guide has a patient-specific three-dimensional engagement surface, and at least one guiding portion defining a guiding passage. The engagement surface anatomically matches a corresponding portion of the femoral joint surface.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: October 14, 2014
    Assignee: Blomet Manufacturing, LLC
    Inventors: John R. White, Kurt Schmidt, Troy W. Hershberger, Thomas C. Raish, Ryan J. Schoenefeld, William J. Hamman, Jason D. Meridew, Tyler D. Witt, Robert Metzger, J. Scott Deming, Tim Clijmans, Frederik Gelaude
  • Patent number: 8852198
    Abstract: The present invention provides surgical guiding tools for surgery on a bone head comprising a cutting component, a guiding component and a collar comprising a patient-specific component, which are interconnected and which ensure secure and accurate placement of the guiding tool and thus guarantee accurate implementation of the pre-operative planning of the surgical intervention.
    Type: Grant
    Filed: July 16, 2010
    Date of Patent: October 7, 2014
    Assignee: Materialise N.V.
    Inventors: Karla De Smedt, Frederik Gelaude, Tim Clijmans
  • Patent number: 8840604
    Abstract: The present disclosure relates to a surgical aimer including a shaft having a proximal portion and a distal portion and a handle coupled to the proximal portion of the shaft. The handle includes a mechanism for coupling the shaft to the handle and releasing the shaft from the handle.
    Type: Grant
    Filed: December 22, 2008
    Date of Patent: September 23, 2014
    Assignee: Smith & Nephew, Inc.
    Inventors: Gary R. McCarthy, Michael C. Ferragamo, Susan L. Spear
  • Publication number: 20140276867
    Abstract: A patient-specific total hip arthroplasty system including surgical guide and jig instrumentation modeled by computer aided design using image data derived from a specific patient's relevant anatomy. Patient-specific jigs fit surface topography of portions of the acetabulum and femur of the patient and are designed to guide surgical implantation at very precise geometries unique to each patient. Patient-specific pin-locating jigs, pin-rail and spacer systems, acetabular reaming and impacting jigs, and femoral resection and version jigs are fabricated pre-operatively according to the models. Methods for fabricating jig components of the system and methods of performing a total hip arthroplasty utilizing the system are also disclosed.
    Type: Application
    Filed: March 13, 2014
    Publication date: September 18, 2014
    Applicant: University of Cincinnati
    Inventors: Todd Kelley, Vasile Nistor, Earnest Christopher Casstevens, Justin Miller, Jacob James Stegman
  • Publication number: 20140276866
    Abstract: A template operable to reestablish the center of rotation of a native femoral head at the head of an implanted prosthesis. The template includes a first member with a marking passage and optional cutting guide and a second member with a target. The first member of the template can be placed on a femur and the second member can be moved in the proximal-distal, medial-lateral and anterior-posterior directions to fix the center of the target at the center of rotation of a femoral head. The head of a prosthesis can be manipulated to come in contact with the target to reestablish the center of rotation of the native femoral head.
    Type: Application
    Filed: March 11, 2014
    Publication date: September 18, 2014
    Applicant: BIOMET MANUFACTURING, LLC
    Inventors: Jason M. ENDSLEY, Mark MOTTRAM, Peter Anthony BRYDON
  • Patent number: 8834470
    Abstract: A bone repairing kit including a drilling device, a pushing device, a clamping member and a hole saw. An end of a tube body of the drilling device is a knife portion. When the tube body rotates with respect to a femur, a bone column is cut by the knife portion and located in the tube body. The pushing device includes a hollow tube and a push bar. The hollow tube is for receiving the tube body. The push bar is for touching and pushing the bone column in the tube body. The clamping member is for clamping the bone column. The hole saw includes a receiving body and cutting knives. The receiving body has a recess for receiving an end of the bone column. The cutting knives surrounding on an inner wall of the recess are for cutting an edge of the end of the bone column.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: September 16, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Chun-Jen Liao, Ching-Chuan Jiang, Sung-Ching Chen, Pei-Chi Hsu, Shih-Jui Han
  • Publication number: 20140257300
    Abstract: An orthopaedic surgical instrument includes a polymer 4-in-2 cutting instrument having a number of metallic cutting guides secured thereto. An A/P femoral cutting block of the instrument is removably secured to the instrument's chamfer femoral cutting block.
    Type: Application
    Filed: March 5, 2013
    Publication date: September 11, 2014
    Inventors: Charles D. Christie, Duncan G. Young, Jon M. Edwards, Hasib Mohammed
  • Patent number: 8828016
    Abstract: A method and instrumentation for performing a patellofemoral arthroplasty orthopaedic procedure includes coupling an anterior cutting block to a femur of a patient such that the cutting block references local anatomy of the femur. The anterior cutting block is used to perform a number of bone cuts to establish a trochlear cavity in the femur. The trochlear cavity is formed such that a trochlear prosthesis may be inset into the cavity and substantially flush with the surrounding cartilage. A finishing burring guide and burr bit may be used to detail the shape and/or size of the trochlear cavity. Additionally, a trochlear drill guide may be used to facilitate establishing peg holes in the patient's femur to receive corresponding pegs of the trochlear prosthesis.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: September 9, 2014
    Assignee: DePuy Synthes Products, LLC
    Inventors: Lisa Major, Daniel Auger, Matthew Wallace, Jack Farr, Scott Brown, Dimitri Sokolov
  • Patent number: 8828014
    Abstract: An axial height adjustable, revision cutting in the shape of a final distal femur implant component. The revision guide includes a rod adapted for intimate contact within an intramedullary canal of a femur, and includes a threaded passageway. The revision cutting guide is adapted for removable attachment to a distal portion of the femur. A vernier-bolt is rotatably positioned through the shaped body of the revision cutting guide so as to be adjustably received within the threaded passageway thereby providing for movement of the shaped body of the revision cutting guide relative to the distal portion of the femur.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: September 9, 2014
    Assignee: Microport Orthopedics Holdings Inc.
    Inventor: Michael Gross
  • Patent number: 8828008
    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: Grant
    Filed: March 5, 2009
    Date of Patent: September 9, 2014
    Inventor: Allston J. Stubbs
  • Patent number: 8808176
    Abstract: Various exemplary embodiments relate to a method of performing an anterior approach hip replacement using a retractor assembly. The method may include: providing a retractor assembly including a first vertical post, a plurality of accessory arms mounted to the first post, a second vertical post, and a femur distractor mounted to the second post; exposing a surgical site including the femoral neck and acetabulum using a plurality of retractors secured to the accessory arms; cutting the femoral neck to remove the femoral head; preparing the acetabulum for insertion of an acetabular cup; preparing the femur for insertion of a femoral implant by lifting the femur using a femur hook and the femur distractor; and closing the surgical site. In various alternative embodiments, the retractors may include a lesser trochanteric retractor coming from a direct medial approach and a greater trochanteric retractor coming from a lateral, posterior, proximal approach.
    Type: Grant
    Filed: February 2, 2012
    Date of Patent: August 19, 2014
    Assignee: Tedan Surgical Innovations, LLC.
    Inventors: Lawrence Richard Menendez, Daniel C. Allison, Daniel Bass, Bob Mastny, Terry Johnston
  • Patent number: 8794100
    Abstract: A remote controlled actuator includes a spindle for holding a tool, a spindle guide section of an elongated configuration, a distal end member rotatably supporting the spindle, and a drive unit housing connected to a base end of the spindle guide section. The distal end member is fitted to the spindle guide section for alteration in attitude. The spindle guide section includes an outer shell pipe, a rotary shaft, and guide pipe. Within the guide pipe, an attitude altering member is inserted to alter the attitude of the distal end member. A connection device detachably connects the spindle guide section with the drive unit housing.
    Type: Grant
    Filed: October 3, 2013
    Date of Patent: August 5, 2014
    Assignee: NTN Corporation
    Inventors: Hiroshi Isobe, Takayoshi Ozaki
  • Patent number: 8790351
    Abstract: A system for calculating a position and orientation of an acetabular cup in computer-assisted surgery comprises a first trackable reference secured to a pelvis, with a frame of reference being associated with the first trackable reference. A device is positionable between a femoral neck and the acetabulum of the pelvis in a known relation, the device having a second trackable reference. Sensors track the trackable references for position and orientation. A position/orientation calculator calculates a position and orientation of the frame of reference and of the device and for determining an orientation of the neck axis with respect to the frame of reference from the known relation at a desired position of the femur. An implant position/orientation calculator provides cup implanting information with respect to the orientation of said neck axis as a function of the tracking for position and orientation of at least the first trackable reference.
    Type: Grant
    Filed: October 10, 2008
    Date of Patent: July 29, 2014
    Assignee: Orthosoft Inc.
    Inventors: Fran├žois Paradis, Louis-Philippe Amiot, Daniel Odermatt
  • Patent number: 8777955
    Abstract: Systems for manufacturing arthroplasty jigs are disclosed. The systems include positioning components for positioning an arthroplasty jig blank in a machining device (e.g., a computer numerical control (CNC) machine). Arthroplasty jig blanks that may be used in the systems can include an arm fixture component configured to be coupled to the positioning component. Coupling the arm fixture component to the positioning component positions the jig blank body for machining by the machining device. In addition, positioning components, arthroplasty jig blanks, and methods for making arthroplasty jig blanks are disclosed.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: July 15, 2014
    Assignee: OtisMed Corporation
    Inventor: Ilwhan Park
  • Patent number: 8758356
    Abstract: Methods and apparatus provide for modifying an intercondylar notch of a patient's femur, including cutting bone from the intercondylar notch using a hole saw having a hollow cylinder and a circular cutting edge, where the hollow cylinder of the hole saw defines a central longitudinal axis which is oriented with reference to the patient's femur such that the circular cutting edge of the hole saw removes a portion of material from the intercondylar notch of the patient's femur.
    Type: Grant
    Filed: September 24, 2010
    Date of Patent: June 24, 2014
    Assignee: Arthrex, Inc.
    Inventors: Kevin Fearon, Patrick Napolitano, James Tumer, John Kuczynski
  • Patent number: 8747406
    Abstract: A plug for plugging a hole of a bone or implant body during injection of an osteoregenerative material comprising, generally, a plug body, the plug body configured to plug a hole of the body to prevent osteoregenerative material from leaking through the hole, and a tail, the tail attached to the plug body for use in removing the plug body from the hole. In one embodiment, the plug body has an insertion cavity on a trailing end thereof for use in inserting the plug into a hole of the body. The plug body preferably has a frustoconical configuration. The plug body is preferably made of a resilient material, such as silicon.
    Type: Grant
    Filed: February 14, 2006
    Date of Patent: June 10, 2014
    Assignee: Wright Medical Technology, Inc.
    Inventors: Olaf Schulz, Kelly Schlachter
  • Patent number: 8734455
    Abstract: Disclosed herein is a tool for guiding a drill hole along a central axis of a femur head and neck for preparation of a femur head that is the subject of a hip resurfacing surgery. In one embodiment, the tool includes a mating region and a guide hole. The mating region is configured to matingly receive a predetermined surface of the femur. The mating region and guide hole are positionally correlated or referenced with each other such that when the mating region matingly receives the predetermined surface of the femur, the guide hole will be generally coaxial with a central axis extending through the femur head and the femur neck.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: May 27, 2014
    Assignee: OtisMed Corporation
    Inventors: Ilwhan Park, Michael Koehle, Lorenzo R. Deveza