Trocar device
US9186177B2 · kind B2 · utility
0Cited by
116References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2011 |
| Grant date | Nov 17, 2015 |
| Priority date | — |
| Expiry date | Aug 6, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/3458
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical device is described. The surgical device may comprise a rotatable cutter configured to cut tissue for insertion of a cannula, and a first driver configured to be driven by a motor arrangement and to rotate the cutter. The surgical device may further include, for example, the cannula, at least one of the rotatable cutter and the first driver being disposed in a bore of the cannula. In one embodiment, the rotatable cutter may include an auger having a cutting thread. In another embodiment, the rotatable cutter may include a disk-shaped blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.