Insertion apparatus for endoscope
US8114098B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2006 |
| Grant date | Feb 14, 2012 |
| Priority date | — |
| Expiry date | Apr 10, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/2931
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An insertion apparatus for an endoscope comprises a tubular body which is inserted into a surgical tool insertion channel of the endoscope, and a wire member which is inserted into an inside cavity of the tubular body. The tubular body includes a distal end coil which is provided in the distal end side of the tubular body, a proximal end coil which is provided at the proximal end of the distal end coil, and has an inside diameter smaller than an inside diameter of the distal end coil, and an inside diameter changed member which is provided between the proximal end of the distal end coil and the distal end of the proximal end coil, and changed in the inside diameter to connect the proximal end of the distal end coil and the distal end of the proximal end coil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.