Orientation indicator for a flexible fiberscope or endoscope including method of manufacture
US4902129A · kind A · utility
83Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 6, 1988 |
| Grant date | Feb 20, 1990 |
| Priority date | — |
| Expiry date | Sep 6, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C9/20
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An orientation indicator is disclosed for observing or reading the orientation of the distal end of an endoscope or of a fiberscope having an elongated flexible shaft relative to the proximate end thereof where the flexible shaft the fiber optic bundles of the scope are subject to torque or rotational stresses. The disclosure includes a method of making the orientation indicator and means for measuring the degree and direction of displacement resulting from said rotational stress or torque.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.