Deflective objective for flexible and semi-flexible endoscopes
US9151877B1 · kind B1 · utility
1Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2012 |
| Grant date | Oct 6, 2015 |
| Priority date | — |
| Expiry date | Aug 7, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B3/00
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An objective assembly for use with small endoscopes like uretheroscopes, the objective assembly including a lens having an optical surface that includes a partial wedge. The partial wedge directly faces an aperture stop thereby limiting the F-number of the objective.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.