Patent · US Expired

Orthopaedic and prosthetic joint

US5201776A · kind A · utility

23Cited by
8References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 15, 1991
Grant dateApr 13, 1993
Priority date
Expiry dateOct 15, 2011

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2005/0179
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An orthopaedic or prosthetic joint comprising a linkage having a number of fixed-length links and a spring link of variable length, wherein there are five fixed-length links which are pivotally connected together in a geometric pattern such that the spring link acts to hold the joint in any one of a number of angles of flexion.

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