Endoscope and handle operation unit
US11653821B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 2, 2022 |
| Grant date | May 23, 2023 |
| Priority date | — |
| Expiry date | Jun 2, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/07
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An endoscope includes a handle operation unit. The handle operation unit includes: an outer ring; a cam ring accommodated in the outer ring to rotate in accordance with rotation of the outer ring about a central axis and having a pair of guide holes; a pair of slide members accommodated in the respective guide holes and fixed to a force transmission member; and a support portion having a pair of slide grooves extending along a longitudinal direction of the endoscope, the support portion being accommodated in the cam ring to support the pair of slide members. The slide members slide in the respective slide grooves in accordance with the rotation of the outer ring. The field of view of the image-capturing unit is changed in accordance with sliding of the pair of slide members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.