Endoscope system and endoscope
US7914444B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2006 |
| Grant date | Mar 29, 2011 |
| Priority date | — |
| Expiry date | Jan 27, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/00188
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An endoscope system includes a first endoscope that includes a first distal end portion, a first observation window provided at the first distal end portion, a first objective optical system optically coupled to the first observation window and having a first viewing angle, and a first treatment instrument channel opening positioned at a first distance away from the first observation window; and a second endoscope that includes a second distal end portion, a second observation window provided at the second distal end portion, a second objective optical system optically coupled to the second observation window and having a second viewing angle wider than the first viewing angle, and a second treatment instrument channel opening positioned at a second distance longer than the first distance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.