Endoscope
US7267647B2 · kind B2 · utility
83Cited by
12References
19Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 10, 2004 |
| Grant date | Sep 11, 2007 |
| Priority date | — |
| Expiry date | Feb 27, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/05
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An endoscope has an inserting tube to be inserted into a human body, first and second optical systems integrally secured to a tip end portion of the inserting tube. The first and second optical systems are for observing the in vivo tissues at different magnifications. A front end portion of the second optical system is protruded by a predetermined amount with respect to a front end portion of the first optical system so that the front end portion of said second optical system is located within a field of view of said second optical system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.