Sealed trocar assembly for stapling device
US11622767B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 19, 2021 |
| Grant date | Apr 11, 2023 |
| Priority date | — |
| Expiry date | Jun 24, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/0813
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A stapling device includes a handle assembly and an adaptor assembly extending from the handle assembly and including a sealed trocar assembly. The trocar assembly includes a trocar housing defining a lumen, an annular seal having an inner annular surface defining an inner opening, and a trocar disposed within the lumen of the trocar housing, through the inner opening of the annular seal, and movable through the lumen of the trocar and the inner opening of the annular seal, and a seal retainer operably coupled to the trocar housing and the annular seal. The trocar includes an elongate body portion having a distal end and a trocar member extending distally from the distal end of the elongate body portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.