AU2002220026A1 - Floating bearing knee joint prosthesis with a fixed tibial post - Google Patents

Floating bearing knee joint prosthesis with a fixed tibial post

Info

Publication number
AU2002220026A1
AU2002220026A1 AU2002220026A AU2002602A AU2002220026A1 AU 2002220026 A1 AU2002220026 A1 AU 2002220026A1 AU 2002220026 A AU2002220026 A AU 2002220026A AU 2002602 A AU2002602 A AU 2002602A AU 2002220026 A1 AU2002220026 A1 AU 2002220026A1
Authority
AU
Australia
Prior art keywords
bearing
bearing surface
femoral
tibial
knee joint
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2002220026A
Inventor
David Ray Brown
Kevin Cox
Troy Hershberger
Robert Metzger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Biomet Inc
Original Assignee
Biomet Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Biomet Inc filed Critical Biomet Inc
Publication of AU2002220026A1 publication Critical patent/AU2002220026A1/en
Abandoned legal-status Critical Current

Links

Classifications

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005—The prosthesis being constructed from a particular material
    • A61F2310/00011—Metals or alloys
    • A61F2310/00029—Cobalt-based alloys, e.g. Co-Cr alloys or Vitallium
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005—The prosthesis being constructed from a particular material
    • A61F2310/00353—Bone cement, e.g. polymethylmethacrylate or PMMA

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)

Abstract

This invention relates to a floating bearing knee joint prosthesis having a fixed tibial post used for replacing the articulating knee portion of a femur and a tibia. The floating bearing knee joint prosthesis includes a femoral component, a tibial component, a guide post and a bearing member. The femoral component includes an engagement member, a first femoral bearing surface and a second femoral bearing surface. The tibial component includes a tibial bearing surface. The guide post extends from the tibial component and is operable to be engaged by the engagement member of the femoral component. The bearing member includes a first bearing surface that articulates with the first femoral bearing surface, a second bearing surface that articulates with the second femoral bearing surface and a third bearing surface that articulates with the tibial bearing surface. The bearing member further includes a posterior lip extension that substantially inhibits the bearing member from dislocating upon flexion of the knee joint prosthesis. The bearing member also defines an opening that receives the guide post where the opening is configured to substantially inhibit rotational movement of the bearing member relative to the tibial component in extension.
AU2002220026A 2000-10-24 2001-10-24 Floating bearing knee joint prosthesis with a fixed tibial post Abandoned AU2002220026A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/695,448 2000-10-24
US09/695,448 US6413279B1 (en) 1999-03-01 2000-10-24 Floating bearing knee joint prosthesis with a fixed tibial post
PCT/US2001/045264 WO2002034156A2 (en) 2000-10-24 2001-10-24 Floating bearing knee joint prosthesis with a fixed tibial post

Publications (1)

Publication Number Publication Date
AU2002220026A1 true AU2002220026A1 (en) 2002-05-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002220026A Abandoned AU2002220026A1 (en) 2000-10-24 2001-10-24 Floating bearing knee joint prosthesis with a fixed tibial post

Country Status (5)

Country Link
US (1) US6413279B1 (en)
EP (1) EP1333785B1 (en)
AT (1) ATE539712T1 (en)
AU (1) AU2002220026A1 (en)
WO (1) WO2002034156A2 (en)

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WO2002034156A2 (en) 2002-05-02
EP1333785A4 (en) 2007-12-05
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WO2002034156A3 (en) 2003-01-23
US6413279B1 (en) 2002-07-02
EP1333785B1 (en) 2012-01-04

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