End curving device for endoscope
US4617914A · kind A · utility
1,026Cited by
4References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 12, 1985 |
| Grant date | Oct 21, 1986 |
| Priority date | — |
| Expiry date | Jun 12, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/0052
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An end curving device for an endoscope of a type having a pair of wires connected at one end to a curving end portion of the endoscope adapted to be inserted into a body cavity, and an operating lever in an operating section which pushes and pulls the wires upon manual activation by the operator. An internal gear is formed on the shaft of the operating lever and is rotatably supported in the operating section. First and second pinions, which are made integral with one another, are engaged with respective racks to which the wires are coupled. The first pinion is engaged with the internal gear.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.