Devices and methods for removal of acute blockages from blood vessels
US10357265B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2014 |
| Grant date | Jul 23, 2019 |
| Priority date | — |
| Expiry date | Jun 5, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/3966
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A clot retrieval device comprises an elongate shaft 104 and an expandable clot retrieval element 2101 on the shaft, the clot retrieval element comprising a framework formed from a substrate material such as Nitinol and having a plurality of struts 2105 and crowns 2102, at least some of the struts 2105 comprises at least one widened portion 2104 of the substrate material to provide enhanced radiopacity. The framework is coated with a radiopaque material such as gold. The device is rendered radiopaque with reduced damping effects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.