Endoscopic optical adapter freely attachable to and detachable from endoscope
US6554767B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 4, 2002 |
| Grant date | Apr 29, 2003 |
| Priority date | — |
| Expiry date | Apr 4, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/00193
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An endoscopic optical adapter freely attachable to and detachable from an endoscope according to the present invention includes an adapter-side observational optical system facing an endoscope-side observational optical system provided with a solid-state image device placed in a tip constituent member of the endoscope, a unit body in which the adapter-side observational optical system is fixedly placed, an adapter body on which a first concave portion with the unit body placed therein while being free to rotate and a second concave portion with at least a part of the tip constituent member placed therein are formed, and a positioning portion which is provided in each of the adapter body and the tip constituent member and which adjusts the positional relationship between the tip constituent member and the adapter body to be a predetermined positional relationship.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.