Pleated trocar seal
US7789861B2 · kind B2 · utility
49Cited by
54References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 18, 2006 |
| Grant date | Sep 7, 2010 |
| Priority date | — |
| Expiry date | Jun 2, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/3464
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A trocar seal comprising an elastomeric membrane having an opening adapted to receive a surgical instrument. The membrane is configured with a plurality of pleats circumscribing the opening and extending laterally from opening. The pleats comprise a plurality of pleat walls increasing in height as the pleats extend laterally from the opening. In one embodiment, the pleats are conically arranged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.