Insert part of endoscope
US4971035A · kind A · utility
84Cited by
4References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 5, 1990 |
| Grant date | Nov 20, 1990 |
| Priority date | — |
| Expiry date | Feb 5, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/05
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A distal end part is connected to the distal end of a flexible tube, the distal end part having a larger outer diameter than that of the flexible tube. The distal end part has a substantially circular cross-sectional configuration that includes one or a plurality of flat peripheral portions. The distal end part is provided therein with an objective portion of an observation optical system which includes a solid-state image pickup device, for example.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.