Gas flow trocar arrangement
US7285112B2 · kind B2 · utility
67Cited by
29References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2003 |
| Grant date | Oct 23, 2007 |
| Priority date | — |
| Expiry date | Aug 31, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/064
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A trocar assembly for use in surgery in a patient, comprising an elongated outer tubular member having a first or proximal end and a second or distal end. The proximal end has a housing enclosing a fluid pressure chamber therein. The distal end of the outer tubular member has a gaseous fluid discharge arrangement therethrough, through which a medical instrument is disposed for surgical manipulation of the patient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.