Bending tube for endoscope, endoscope and method for manufacturing bending tube for endoscope
US9770160B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2016 |
| Grant date | Sep 26, 2017 |
| Priority date | — |
| Expiry date | Jun 6, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/06
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A bending tube for an endoscope, which is provided inside a bending portion of an insertion portion of an endoscope and includes a plurality of bending pieces covered by a flexible tube body, the bending tube including a distalmost end bending piece connected to a distal end portion of an insertion portion, a proximalmost end bending piece connected to a flexible tube portion of the insertion portion, and a net-like tube covering an outer periphery of the plurality of bending pieces except the distalmost end bending piece and the proximalmost end bending piece and including a distal end part fixed to a first bending piece joined to the distalmost end bending piece and a proximal end part fixed to a second bending piece joined to the proximalmost end bending piece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.