Distal end unit of endoscope, and endoscope
US12089811B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 13, 2021 |
| Grant date | Sep 17, 2024 |
| Priority date | — |
| Expiry date | Oct 26, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/555
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A distal end unit includes: an image pickup unit made using a wafer level optics technique; a distal end frame forming an external shape of an insertion portion, the distal end frame being constituted by a resin molded article; an image pickup unit containing room containing the image pickup unit in an interior of the distal end frame, the image pickup unit containing room including a first opening portion and a second opening portion that are continuously formed, the first opening portion being positioned on the distal end surface of the distal end frame, the second opening portion being positioned on a side surface of the distal end frame; and a filler having light blocking property, the image pickup unit containing room being filled with the filler, the filler forming the external shape of a distal end portion with the distal end frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.