Endoscope apparatus
US4982724A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1988 |
| Grant date | Jan 8, 1991 |
| Priority date | — |
| Expiry date | Dec 19, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K11/355
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In an endoscope apparatus, an ultrasonic vibrating element is rotatably arranged at a distal end of a flexible inserting portion, this ultrasonic vibrating element is rotated by a motor provided in a subsidiary operating portion via a flexible cable extended through the inserting portion, the distal end portion of the inserting portion is bent by operating a handle provided on a primary operating portion, which is arranged at the proximal side of the subsidiary operating portion; a forceps channel is extended through the inserting portion and an opening of the forceps channel is formed in the subsidiary portion. According to such structure, the forceps can be inserted in the forceps channel easily and existing forceps having a standard length can be used as they are.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.