Patent · US Expired

Hip prosthesis

US4842605A · kind A · utility

35Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 6, 1987
Grant dateJun 27, 1989
Priority date
Expiry dateMar 6, 2007

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16C2316/10
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

The invention has as its object an improved hip prosthesis in which the femoral prosthesis oscillates around a pin inclined approximately 20.degree. to the horizontal, characterized by the fact that this oscillation is provided inside the head of the femoral prosthesis by a double bearing comprising a row of rollers to support the radial loads and, a row of balls to support the axial loads.

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