Endoscope
US8465416B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2010 |
| Grant date | Jun 18, 2013 |
| Priority date | — |
| Expiry date | Feb 10, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/018
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An endoscope includes: a treatment instrument elevator base including a contact surface which contacts with a treatment instrument inserted into a treatment instrument insertion channel, and rotatably provided to a distal end to elevate the instrument; a contact portion provided to the distal end to contact with the instrument when the elevator base is elevated; a first leading portion provided to the contact surface to lead the instrument to a predetermined position on the contact surface as the elevator base is rotated; a holding portion provided to the contact surface and the contact portion, and including a grasping surface for sandwiching the instrument with a diameter not exceeding a predetermined value; and a second leading portion provided to the contact portion to lead the instrument larger than the grasping surface away from the holding portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.