Patent · US Expired

Knee arthroplasty

US3953899A · kind A · utility

74Cited by
2References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 16, 1974
Grant dateMay 4, 1976
Priority date
Expiry dateApr 16, 1994

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2002/3895
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A knee arthroplasty having two femoral implants, each for implantation into one of the femoral condyles and having a bearing surface shaped as a segment of a right circular cylinder, and a tibial portion, in the form of one or two implants, which provides a plane bearing surface for the bearing surface of each femoral implant.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.