Temporary device for capturing embolic material
US7044958B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 1, 2001 |
| Grant date | May 16, 2006 |
| Priority date | — |
| Expiry date | Mar 17, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2230/0076
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention is a temporary device for capturing and removing embolic material during interventional procedures, such as angioplasty or stent deployment. A self-closing, tubular capture element, which may be either a filter or an occluder, is mounted near the distal end of a guidewire. The guidewire is capable of guiding a therapeutic catheter. Relative displacement of the capture element ends causes transformation of the capture element between a closed configuration and a deployed configuration that spans the vessel to be treated. A latch fixed to the guidewire temporarily retains the capture element in the deployed configuration. A first hollow rod slides over the guidewire to deploy the capture element and engage the capture element proximal end with the latch. A second hollow rod slides over the guidewire to release the latch and close the capture element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.