Vascular filter system
US6511497B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 13, 2000 |
| Grant date | Jan 28, 2003 |
| Priority date | — |
| Expiry date | Jul 10, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2230/0067
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention comprises a vascular filter system for non-permanent application which is provided with a guide wire, a filter membrane having an inner area provided in the area of the proximal end of the guide wire and a free outer area, and an umbrella structure provided at least on the outer area of the filter membrane, made of a flexible material and permitting opening and closing of the umbrella formed by the umbrella structure and filter membrane, characterized in that the system has contactless structure for closing the umbrella. The structure can be of a magnetic nature or involve mechanisms based on temperature changes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.