Filter retrieval catheter
US6974468B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2001 |
| Grant date | Dec 13, 2005 |
| Priority date | — |
| Expiry date | Feb 8, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2230/0006
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Methods and devices for retrieving a filter fixed to a guidewire disposed within a blood vessel are disclosed. A catheter for retrieving a filter fixed to a guidewire disposed within a blood vessel in accordance with the present invention includes an elongate shaft and a housing fixed to the elongate shaft proximate a distal end thereof. A tip member is slidingly disposed within a cavity defined by the housing. In a preferred embodiment, the tip member is configured such that the housing is substantially centered about the guidewire. In another preferred embodiment, the tip member is slidingly disposed within the housing, and the tip member may be moved between a first position and a second position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.