Apparatus and method for cutting tissue
US10321929B2 · kind B2 · utility
5Cited by
23References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 2015 |
| Grant date | Jun 18, 2019 |
| Priority date | — |
| Expiry date | Aug 21, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2217/005
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A cutting instrument comprising: an outer tube; an inner tube rotatably disposed within the outer tube; the inner tube comprising an opening having a leading edge and a trailing edge; and the outer tube comprising a window having a leading edge and a trailing edge; at least one of the leading edge of the opening, the trailing edge of the opening, the leading edge of the window and the trailing edge of the window comprising a canted edge; and the window of the outer tube being adapted to be completely blocked by the inner tube during a phase of the rotation of the inner tube within the outer tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.