Access portal including silicone foam three layer seal
US8449459B2 · kind B2 · utility
0Cited by
20References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2010 |
| Grant date | May 28, 2013 |
| Priority date | — |
| Expiry date | Mar 5, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/3437
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical access portal includes a seal housing, a sleeve mountable to the seal housing, and a seal disposed within the seal housing. The seal includes a first layer having an opening for the reception and passage of a surgical instrument, a second continuous layer for providing a fluid tight seal in the seal housing in the presence and/or in the absence of a surgical instrument, and a third layer having an opening for the passage of a surgical instrument therethrough. The first and third layers have a higher density than the second layer for maintaining the second layer in an axially compressed state therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.