Trocar seal with retraction induced hinge
US8257315B2 · kind B2 · utility
14Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 11, 2010 |
| Grant date | Sep 4, 2012 |
| Priority date | — |
| Expiry date | Oct 11, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/3464
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A trocar comprising an alignment channel and an instrument seal comprising a bending portion and a base portion. The bending and base portions of the instrument seal are spaced relative the alignment channel such that when a surgical instrument is retracted the bending portion inverts and the lip does not enter the alignment channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.