Patent · US Expired

Trocar device

US7905897B2 · kind B2 · utility

302Cited by
104References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 14, 2002
Grant dateMar 15, 2011
Priority date
Expiry dateSep 14, 2023

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B2090/0814
  • 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.