Bendable portion of endoscope
US5394864A · kind A · utility
81Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 1992 |
| Grant date | Mar 7, 1995 |
| Priority date | — |
| Expiry date | Oct 14, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/0055
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A bendable portion which is provided at the distal end of an insert part of an endoscope and bent by remote control. The bendable portion includes an elastic and flexible double walled tube comprising a pair of inner and outer tubes for covering the bendable portion. A device for preventing enlargement of the diameter of the inner tube is sandwiched between the inner and outer tubes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.