Searching and measuring endoscope
US4588294A · kind A · utility
192Cited by
4References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 27, 1984 |
| Grant date | May 13, 1986 |
| Priority date | — |
| Expiry date | Jun 27, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/1076
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A searching and measuring endoscope employing two image-transmitting systems in a common housing. One system is fitted with a wide angle, fixed focus objective lens with large depth of field for searching and the other system is fitted with a narrow angle, fixed focus objective lens having a small depth of field and a predetermined working distance and magnification for measuring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.