Inverted embolic protection filter
US8070769B2 · kind B2 · utility
128Cited by
140References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 6, 2002 |
| Grant date | Dec 6, 2011 |
| Priority date | — |
| Expiry date | Jan 19, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2230/0067
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An embolic protection filter having an inverted membrane with improved blood perfusion characteristics is disclosed. An embolic protection filter in accordance with the present invention comprises a filter frame disposable about a guidewire, a support hoop coupled to a plurality of expandable struts, and an inverted membrane for filtering embolic debris. The inverted membrane has a tapered proximal section and an enlarged diameter distal section. Features of the present invention permit the perfusion of blood through the filter irrespective of embolic debris entrained therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.