Operation unit and treatment tool for endoscope provided with the same
US8469946B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 24, 2009 |
| Grant date | Jun 25, 2013 |
| Priority date | — |
| Expiry date | Apr 25, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2018/1407
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An operation unit of a treatment tool for an endoscope includes a first joining member configured to be joined to a rear end of a flexible sheath of the treatment tool, a second joining member configured such that the first joining member is fitted therearound rotatably around an axis line of the first joining member relative to the second joining member, and a pin fit hole formed between the first joining member and the second joining member such that a pin is fitted therein, the pin fit hole being configured to restrict rotational movement of the first joining member around the axis line relative to the second joining member when the pin is fitted in the pin fit hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.