Rigid video endoscope having a detachable imaging unit
US4905082A · kind A · utility
122Cited by
9References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 1988 |
| Grant date | Feb 27, 1990 |
| Priority date | — |
| Expiry date | May 5, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/0623
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An electronic endoscope system has an elongated rigid inserting section and a relay optical system disposed therein. The relay optical system transfers an optical image. A imaging device is disposed at a focus position of the relay optical sysetm in a face-to-face relationship with the imaging surface thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.