Seal assemblies for surgical access assemblies
US11413065B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2019 |
| Grant date | Aug 16, 2022 |
| Priority date | — |
| Expiry date | Apr 8, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2039/0626
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Surgical access assemblies include an instrument valve housing and a valve assembly disposed within the cavity of the instrument valve housing. The valve assembly includes a guard assembly, a seal assembly disposed adjacent to the guard assembly, and a centering mechanism for maintaining the seal assembly and guard assembly centered within a cavity of the instrument valve. The seal assembly includes a multi-petal seal member and upper and lower support members. The upper and lower support members sandwich the multi-petal seal member therebetween to reduce and/or eliminate leaks through the multi-petal seal member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.