Endoscope
US9521948B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2013 |
| Grant date | Dec 20, 2016 |
| Priority date | — |
| Expiry date | Mar 23, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/0676
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An endoscope includes a first flat surface formed at a distal end portion of an insertion part to be inserted into a subject, and orthogonal to an axial direction of the insertion part an observation window provided at the distal end portion for allowing image light of the subject to be taken therethrough, with the surface of the observation window as a light incidence plane, an illumination window provided at the distal end portion to irradiate a subject with illumination light, a fluid jetting nozzle arranged at the first flat surface to jet a fluid toward the observation window, and an inclined surface formed around the observation window and arranged at a position that faces the fluid jetting nozzle, wherein the distal end portion is formed with a second flat surface arranged on the distal end side of the first flat surface and parallel to the first flat surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.