Endoscope
US11596296B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2019 |
| Grant date | Mar 7, 2023 |
| Priority date | — |
| Expiry date | Nov 23, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/0057
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An endoscope includes an insertion portion provided with a controllable curved tube. The controllable curved tube includes a plurality of circular tube sections connected in series. A first C-shaped engaging portion is arranged at one end of each tube section. A first included angle is formed between the opening direction of the first C-shaped engaging portion and the axial direction of the tube section to which the first C-shaped engaging portion belongs. A first C-shaped notch is arranged around the outside of the first C-shaped engaging portion. The other end of the tube section is provided with a second C-shaped engaging portion that is engaged with the first C-shaped notch of another tube section. The inner side of the second C-shaped engaging portion is provided with a second C-shaped notch and a spherical protrusion which are engaged with a first C-shaped engaging portion of another tube section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.