Tissue-removing catheter and tissue-removing element with depth stop
US10314664B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 7, 2015 |
| Grant date | Jun 11, 2019 |
| Priority date | — |
| Expiry date | Apr 10, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/034
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A tissue-removing catheter includes a tissue-removing element operably connected to a drive shaft for rotation of the tissue-removing element about an axis of rotation in a cutting direction. The tissue-removing element includes a cutting edge that extends around the axis of rotation and a depth stop that extends around the axis of rotation radially inward of the cutting edge relative to the axis of rotation. The depth stop defines an engagement surface adapted to engage a hard object and thereby limit the depth at which the cutting edge cuts into the hard object. In use, when the cutting edge cuts into a hard object, the depth stop engages the hard object to limit the cutting depth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.