Stent securement sleeves and optional coatings and methods of use
US6478814B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 28, 1999 |
| Grant date | Nov 12, 2002 |
| Priority date | — |
| Expiry date | Sep 28, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0029
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A stent delivery system which has a catheter including an inflatable portion. A stent being disposed about the inflatable portion of the catheter, the stent having a contracted state and an expanded state. A pair of stent retaining sleeves which are partially composed of PTFE, each sleeve having a first end portion overlying a respective end of the stent, each sleeve having a second end portion respectively attached to the catheter, the sleeves retaining the stent to the catheter when the stent is in the contracted state, the stent being freed from the sleeves when the stent is placed in the expanded state. The sleeves being placed on the stent by heat shrinking. The inflatable portion of the balloon optionally having stepped compliant characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.