Treatment tool for endoscope, and method for manufacturing treatment tool for endoscope
US10448807B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 11, 2017 |
| Grant date | Oct 22, 2019 |
| Priority date | — |
| Expiry date | Feb 2, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/0188
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A treatment tool includes a second sheath (12) having a slit (12e) through which a guide wire is configured to be taken in and out of a first lumen, and a sheath-retaining part having a guide wire insertion opening (20b) having a slit (20c) and a main opening (20d), wherein a first end portion of the second sheath (12) has a first side cut surface (12g) and a second side cut surface (12h) intersecting in an X-shape, an axially cut surface formed by cutting in parallel to a central axis (O12) from an end surface (12k), an opening surrounded by the first side cut surface (12g), the second side cut surface (12h), and the axially cut surface and communicating with the first lumen at a position overlapping the main opening (20d), and a piece-like part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.