Prosthesis with resorbable collar

US7261741B2 · kind B2 · utility

Assignee

• DePuy Products, Inc. · US

Inventors

• Marc Weissman · Derby, US
• J. Brock Vanmeter · Leesburg, US
• Thomas S. Camino · Warsaw, US
• Thomas S. Thornhill · Dover, US
• Thomas Schmalzried · Rancho Palos Verdes, US
• Daniel J. Berry · Rochester, US
• John Callaghan · Cherry Hill, US
• David Fisher · Hornsby, AU

Key dates

• Filing date: May 24, 2002
• Grant date: Aug 28, 2007
• Expiry date: Nov 10, 2022

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2310/00952
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A articulating hemiarthroplasty prosthesis (10) for use in arthroplasty is provided. The prosthesis includes a stem (12) for implantation at least partially within the medullary canal (14) of a long bone (16) and a collar (20). The collar (20) is operably associated with the stem (12) and extends outwardly therefrom. At least a portion of the collar (20) includes a resorbable material. The prosthesis includes a head (30) and a cup (46) for engagement with the head (30).