Video endoscope
US5235965A · kind A · utility
27Cited by
4References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 15, 1991 |
| Grant date | Aug 17, 1993 |
| Priority date | — |
| Expiry date | Feb 15, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/05
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A video endoscope provided in the insertable tip in parallel with an imaging apparatus and a treating instrument channel through which a laser treating instrument can be inserted and provided with a light intercepting part so that a leaking light of the laser treating instrument inserted through the treating instrument channel as well as reflected laser light may not enter the light receiving part of the imaging device through the other course than the optical course leading to the light receiving part of the imaging device through the image forming optical system from the observing window.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.