Flexible stent-graft device having patterned polymeric coverings
US8062346B2 · kind B2 · utility
27Cited by
19References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2008 |
| Grant date | Nov 22, 2011 |
| Priority date | — |
| Expiry date | Mar 10, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0018
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention provides an endoprosthesis comprising a radially distensible, tubular stent comprising opposed open ends and a stent wall structure having opposed exterior and luminal surfaces; and a continuous and seamless ePTFE tubular covering having a node and fibril structure securably disposed to at least one of the stent surfaces, the graft covering comprising at least two laminated layers, wherein the laminated layers include at least one region where the laminated layers are not securely bonded; and the at least one region has a different bending flexibility from the tubular graft covering.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.