Medical implant with piezoelectric material in contact with body tissue

US6571130B1 · kind B1 · utility

Assignee

• ST. JUDE MEDICAL AB · SE

Inventors

• Karin Ljungström · Nordstraße, SE
• Kenth Nilsson · Åkersberga, SE
• Johan Lidman · Stockholm, SE
• Charlotte Kjellman · Stockholm, SE

Key dates

• Filing date: Oct 20, 2000
• Grant date: May 27, 2003
• Expiry date: Oct 20, 2020

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61N1/0565
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A medical implant has an element with at least a part thereof which is composed of piezoelectric material. The piezoelectric material is suitable for contact with body tissue and/or body fluids, and has the formula NaxKyNbO3, with 0≦x≦0.8, 0.2≦y≦1, and x+y=1.