Endoscope
US11992189B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 17, 2020 |
| Grant date | May 28, 2024 |
| Priority date | — |
| Expiry date | Dec 18, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B23/24
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An endoscope includes: a first bending wire that is connected with a first connection part of a bending portion of an insertion portion inserted into a subject and bends the entire bending portion in a first bending direction by pulling; a second bending wire that is connected with a second connection part of the bending portion positioned on a proximal end side of the first connection part and bends a proximal end side part of the bending portion on the proximal end side of the second connection part in the first bending direction by pulling; an operation lever that pulls the first bending wire to the proximal end side; an operation lever that pulls the second bending wire to the proximal end side; and a coil pipe into which the first and second bending wires are inserted at a position on the proximal end side of the bending portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.