Medical device and treatment method
US11090077B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 15, 2018 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Nov 3, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2217/005
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A medical device has a rotatable drive shaft, a rotary body whose distal end includes a cutting edge for applying a cutting force to a stenosed site, and that is disposed on a distal side of the drive shaft so as to be rotated in conjunction with rotation of the drive shaft, and a distal member disposed in the rotary body. The distal member has a support portion extending to a distal side beyond a distal end of the rotary body, and configured to be capable of supporting the rotary body with respect to a blood vessel. The support portion is configured so that a distance from the rotary body is variable in a first direction (height direction) in which the rotary body is moved close to the stenosed site.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.