Advance and retreat assist tool for endoscopic treatment instrument
US9565991B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 29, 2014 |
| Grant date | Feb 14, 2017 |
| Priority date | — |
| Expiry date | Mar 6, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/0034
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An advance and retreat assist tool includes a base unit, an attachment portion which attaches the base unit to a treatment instrument insertion portion, a tubular member provided to advance and retreat relative to the base unit coaxially with a central axis of a hole portion and a fixing portion which fixes an endoscopic treatment instrument to the tubular member. The advance and retreat assist tool further includes a rotary portion which has an axis different from an axis of the tubular member and which rotates around the axis, and an advance and retreat mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.