Advance and retreat assist tool for endoscopic treatment instrument
US9538905B2 · kind B2 · utility
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0References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 4, 2014 |
| Grant date | Jan 10, 2017 |
| Priority date | — |
| Expiry date | Sep 4, 2034 |
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 so that the base unit is rotatable around a central axis of a treatment instrument insertion hole portion, and a first tubular member. The advance and retreat assist tool further includes a rotary portion and an advance and retreat mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.