Variable stiffness balloon dilatation catheters
US5499973A · kind A · utility
220Cited by
20References
82Claims
0Family size
Inventor
Key dates
| Filing date | Sep 8, 1994 |
| Grant date | Mar 19, 1996 |
| Priority date | — |
| Expiry date | Sep 8, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/0047
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A variable stiffness balloon dilatation catheter is disclosed in which one or more polymeric sleeves are heat-shrunk around portions of an inner tubular element so as to form stiffening bands that provide variable stiffness longitudinally along the catheter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.