Atherectomy catheter with serrated cutter
US11399863B2 · kind B2 · utility
6Cited by
257References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2018 |
| Grant date | Aug 2, 2022 |
| Priority date | — |
| Expiry date | Mar 4, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2217/007
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An atherectomy catheter device includes an elongate body, a drive shaft extending proximally to distally within the elongate body, and a cutter attached to the drive shaft. The cutter includes a serrated annular cutting edge formed on a distal edge of the cutter and a recessed bowl extending radially inwards from the annular cutting edge to a center of the cutter. The recessed bowl has a first curvature. The cutter further includes a plurality of grinding segments extending inwardly from the distal edge within the bowl. Each of the plurality of segments has a second curvature that is different from the first curvature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.