Endoscope valve and endoscope
US11369256B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2019 |
| Grant date | Jun 28, 2022 |
| Priority date | — |
| Expiry date | Mar 24, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B8/12
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An endoscope valve for switching connection states of a plurality of conduits formed in an endoscope includes: a cap including a leak hole through which a gas flowing via the conduit is dischargeable to an outside; and a shaft whose one end is connected to the cap, the shaft having a rod shape, extending in a longitudinal direction, and including: a main body portion including a hole portion forming a hollow space and a communication hole extending in a direction intersecting the longitudinal direction of the shaft and communicating with the hole portion and an outside; and a seal member including a protrusion portion provided in the hole portion and the communication hole, the protrusion portion protruding in the intersection direction from the communication hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.