Trocar set
US10188424B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Apr 25, 2017 |
| Grant date | Jan 29, 2019 |
| Priority date | — |
| Expiry date | Apr 25, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/3486
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A trocar set includes a handle portion, a first sleeve, a second sleeve, and a gasbag. The handle portion includes a grip, a connection part, and a first gas valve. The connection part extends from the grip and includes an assembling channel. The first gas valve is connected to the connection part and communicates with the assembling channel. An assembling end of the first sleeve is assembled to the connection portion. A sleeving end of the first sleeve is provided with a first opening. The second sleeve is retractably connected to the sleeving end of the first sleeve. A sleeve wall of the second sleeve is provided with a second opening. The gasbag is connected to an end of the second sleeve away from the sleeving end and corresponds to the second opening. The design of the retractable sleeves is benefit to perform operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.