Deep cavity binocular loupe
US4807987A · kind A · utility
17Cited by
4References
4Claims
0Family size
Inventors
Key dates
| Filing date | Oct 27, 1986 |
| Grant date | Feb 28, 1989 |
| Priority date | — |
| Expiry date | Oct 27, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/502
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A binocular instrument consisting of a binocular viewing system with convergence optics for reducing the parallax angle to one degree in combination with a fiber optics illumination system with adjustable lens and mirror system for projecting a spot of light to the surgical site, and detachable lenses for magnifying an observed image. The instrument is headband mounted. The magnification lenses are prefocused and easily attached or detached during a surgical procedure. The radial size of the projected light beam is adjustable by means of a manually controlled iris.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.