Surgical access port
US9833259B2 · kind B2 · utility
3Cited by
135References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2015 |
| Grant date | Dec 5, 2017 |
| Priority date | — |
| Expiry date | Feb 3, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M39/223
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical access port or trocar is provided. The trocar has a trocar seal housing and a trocar cannula with an optical obturator insertable through the trocar seal housing and the trocar cannula. The trocar is configured to access a body cavity, to maintain positive pressure and to prevent loss of surgical insufflation gas used in laparoscopic procedures. The trocar seal housing can be releasably attached to the trocar cannula. The trocar seal housing may also have a shield and/or alignment channel that provide protection or assist in operation of instrument and zero seals housed in the trocar seal housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.