Incising trocar and cannula assembly
US5522831A · kind A · utility
1,330Cited by
26References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 1994 |
| Grant date | Jun 4, 1996 |
| Priority date | — |
| Expiry date | Jun 13, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/00473
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An incising trocar and cannula instrument for incising the walls of a body cavity to facilitate inserting the cannula through the wall into the cavity including a trigger operated incising blade and means for driving the blade through body tissue; and, a cannula having a sealing assembly for sealing the instrument during the incising procedure and thereafter when the trocar is removed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.