Ceramic acetabular cup with metal coating

US6319285A · kind A · utility

Assignee

• Ceramtec AG, Innovative Ceramic Engineering · DE

Inventors

• Wilfried Von Chamier · Stuttgart, DE
• Kartmut Kalberer · Biberach an der Riß, DE
• Hans-Georg Pfaff · Esslingen am Neckar, DE

Key dates

• Filing date: Sep 28, 2000
• Grant date: Nov 20, 2001
• Expiry date: Sep 28, 2020

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61L2430/24
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A hip-joint socket of a hip-joint endoprosthesis is provided, in which the bearing shell of the socket that mounts the ball head of the shaft is made of a ceramic material. The bearing shell (2) of the hip-joint socket (1; 11), in the region of its surface (4) with which it is inserted into the hip bone, is covered with a coating (5; 15) that is made of a biocompatible metal or a biocompatible metal alloy.