FR2445137A1 - Knee prosthesis permitting rotary and bending motion - has hinge joint between tibial and femoral components with cammed, profiled surfaces cooperating with tibial stem - Google Patents

Knee prosthesis permitting rotary and bending motion - has hinge joint between tibial and femoral components with cammed, profiled surfaces cooperating with tibial stem

Info

Publication number
FR2445137A1
FR2445137A1 FR7836869A FR7836869A FR2445137A1 FR 2445137 A1 FR2445137 A1 FR 2445137A1 FR 7836869 A FR7836869 A FR 7836869A FR 7836869 A FR7836869 A FR 7836869A FR 2445137 A1 FR2445137 A1 FR 2445137A1
Authority
FR
France
Prior art keywords
tibial
cammed
knee prosthesis
hinge joint
profiled surfaces
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.)
Pending
Application number
FR7836869A
Other languages
French (fr)
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.)
DEAUX ETS
Original Assignee
DEAUX ETS
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 DEAUX ETS filed Critical DEAUX ETS
Priority to FR7836869A priority Critical patent/FR2445137A1/en
Publication of FR2445137A1 publication Critical patent/FR2445137A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/38—Joints for elbows or knees
    • A61F2/3836—Special connection between upper and lower leg, e.g. constrained
    • A61F2/384—Special connection between upper and lower leg, e.g. constrained hinged, i.e. with transverse axle restricting the movement

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

The knee prosthesis has two articulating stems, fixed in the femur and the tibia respectively. The tibial component has a central bore and a cammed, profiled surface which co-operates with a complementary surface on one of the hinge-joint components. Extending from the latter surface is a stem which fits into the bore. Rotation of the tibia relative to the femur causes the two profiled surfaces to ride up over each other so transforming to rotary movement into an axial displacement.
FR7836869A 1978-12-29 1978-12-29 Knee prosthesis permitting rotary and bending motion - has hinge joint between tibial and femoral components with cammed, profiled surfaces cooperating with tibial stem Pending FR2445137A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7836869A FR2445137A1 (en) 1978-12-29 1978-12-29 Knee prosthesis permitting rotary and bending motion - has hinge joint between tibial and femoral components with cammed, profiled surfaces cooperating with tibial stem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7836869A FR2445137A1 (en) 1978-12-29 1978-12-29 Knee prosthesis permitting rotary and bending motion - has hinge joint between tibial and femoral components with cammed, profiled surfaces cooperating with tibial stem

Publications (1)

Publication Number Publication Date
FR2445137A1 true FR2445137A1 (en) 1980-07-25

Family

ID=9216731

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7836869A Pending FR2445137A1 (en) 1978-12-29 1978-12-29 Knee prosthesis permitting rotary and bending motion - has hinge joint between tibial and femoral components with cammed, profiled surfaces cooperating with tibial stem

Country Status (1)

Country Link
FR (1) FR2445137A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4714476A (en) * 1987-01-27 1987-12-22 New York Society For The Relief Of The Ruptured And Crippled Wrist joint prosthesis
WO1990004369A1 (en) * 1988-10-18 1990-05-03 University College London Knee prosthesis
EP0420460A1 (en) * 1989-09-27 1991-04-03 University College London Knee prosthesis
USRE44476E1 (en) 2001-01-29 2013-09-03 Zimmer, Inc. Constrained prosthetic knee with rotating bearing
US8888857B2 (en) 2001-01-29 2014-11-18 Zimmer, Inc. Constrained prosthetic knee with rotating bearing

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4714476A (en) * 1987-01-27 1987-12-22 New York Society For The Relief Of The Ruptured And Crippled Wrist joint prosthesis
WO1990004369A1 (en) * 1988-10-18 1990-05-03 University College London Knee prosthesis
GB2223950B (en) * 1988-10-18 1992-06-17 Univ London Knee prosthesis
EP0420460A1 (en) * 1989-09-27 1991-04-03 University College London Knee prosthesis
USRE44476E1 (en) 2001-01-29 2013-09-03 Zimmer, Inc. Constrained prosthetic knee with rotating bearing
US8888857B2 (en) 2001-01-29 2014-11-18 Zimmer, Inc. Constrained prosthetic knee with rotating bearing

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