Endoscope angling mechanism
US5025804A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 10, 1990 |
| Grant date | Jun 25, 1991 |
| Priority date | — |
| Expiry date | Jul 10, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/0057
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An endoscope angling mechanism which is provided with: an angle operating means including a pair of first and second operating wires to be pulled to and fro for arcuately bending an angle portion of joint ring structure at the distal end of an insert section extending contiguously from an operating section of an endsoscope, the first operating wire having the fore end thereof securely stopped on an angle ring in the foremost position in the angle portion or to a rigid portion at the distal end of the angle portion and the second operating wire having the fore end thereof securely stopped on an angle ring in a position posterior to and spaced from the foremost angle ring by a predetermined number of angle rings; and a restraining means for restraining forward movement of the second operating wire in angling operation until operated with a predetermined increased force.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.