Patent · US Active

Implant system with polymeric insert and two tray options

US9757242B2 · kind B2 · utility

5Cited by

4References

8Claims

0Family size

Assignee

Howmedica Osteonics Corp. · US

Inventors

Nicholas Nai Guang Dong · Little Falls, US
Matthew P. Poggie · Upper Montclair, US
Walter Schmidt

Key dates

Filing date	Mar 11, 2013
Grant date	Sep 12, 2017
Priority date	—
Expiry date	Jan 4, 2034

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61F2002/30616
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A tibial implant system has an ultra-high molecular weight polyethylene tibial insert which can engage with either one of two tibial trays through differing means of engagement. The tibial insert includes a locking wire and locking tab disposed along an anterior surface and a locking recess disposed along a posterior surface. A first polymeric tibial tray includes a bead along an anterior wall and an undercut area along a posterior wall. A second metallic tibial tray includes a plurality of barbs along an anterior wall and an undercut area along a posterior wall.

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