Endoscope
US5022382A · kind A · utility
49Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 1989 |
| Grant date | Jun 11, 1991 |
| Priority date | — |
| Expiry date | May 23, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/555
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An endoscope including a scope for observing an object, in which at least one of sucking, gas feeding and liquid feeding operations is conducted at the scope, and a time elapsed after a start of the operation is detected by a time detector, and in which the time detected by the time detector is compared with a predetermined reference value, and then the operation is canceled by a canceling device when the time detected by the detected means is at least equal to the predetermined reference value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.