Balloon catheter

US6719720B1 · kind B1 · utility

Inventors

• Wolfram Voelker · Weinheim, DE
• Thorsten Siess · Aachen, DE
• Helmut Reul · St. Blasien, DE

Key dates

• Filing date: Aug 28, 2000
• Grant date: Apr 13, 2004
• Expiry date: Aug 28, 2020

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2025/1072
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

The balloon catheter comprises a catheter tube (10) provided with a high pressure balloon (14) designed for performing a vessel dilatation. Further provided is at least one low pressure balloon (17) joining the high pressure balloon (14) and expanded with a lower pressure. Thereby, the stress acting on the blood vessel at the ends of the high pressure balloon (14) or a stent (20) is decreased, thus reducing the danger of dissections of the vessel wall.