Stent for placement in a body tube
US5601593A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 18, 1995 |
| Grant date | Feb 11, 1997 |
| Priority date | — |
| Expiry date | Aug 18, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0042
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A stent for placement in a body tube includes a flexible support structure of wires, wherein the wires are of a material having a shape memory function. The support structure of the stent is composed of wires which have different shape memories. In a method for changing the configuration of a stent of the above-described type which has been placed in a body tube, the stent is subjected over at least portions thereof to a specific application of heat or cold in order to influence the restoring force and/or the geometric shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.