Ultrasonic endoscope
US4757819A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 14, 1987 |
| Grant date | Jul 19, 1988 |
| Priority date | — |
| Expiry date | May 14, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B8/445
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An ultrasonic endoscope according to the present invention comprises an insertion portion having a hard distal end portion. A first holding member is provided to the hard distal end portion, and an ultrasonic vibrator is mounted on the first holding member. A second holding member, detachably mounted with respect to the first holding member, is provided at the hard distal end portion, and an observation optical system is mounted on the second holding member. The second holding member is fixed to the first holding member by a fixing means. In the ultrasonic endoscope with the above arrangement, the first holder for holding the ultrasonic vibrator can be separated from the second holder for holding the observation optical system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.