Patent · US Expired

Intramedullary centralizer

US5092892A · kind A · utility

36Cited by
4References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 23, 1990
Grant dateMar 3, 1992
Priority date
Expiry dateOct 23, 2010

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2310/00353
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A centralizer for the stem of a prosthetic orthopedic implant adapted for implantation into a medullary canal has a hollow annular body portion. The annular body portion has an interior for receiving the stem of the implant. The body portion also includes at least three spring elements extending outwardly from the exterior surface of the body portion. Each spring element has a portion thereof extending generally tangentially with respect to the axial extent of the tapered stem and deformable circumferentially and inwardly towards the stem upon insertion into the medullary canal.

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