Surgical microscope for conducting computer-supported stereotact

Details Surgical microscope for conducting computer-supported stereotact Surgical microscope for conducting computer-supported stereotact

1992-10-15

1994-10-25

Evans, F. L.

Optics: measuring and testing

By polarized light examination

With light attenuation

2502013, 359389, G02B 2122, G02B 1114, G01B 1114

Patent

active

053594177

ABSTRACT:
A defined determination of the field of view observed through a surgical microscope is made. To achieve this determination, the relative current position of the plane of the field of view to the position of an object detail of interest is detected in a sighting method with the aid of a position detection system operating according to the laser triangulation principle. As soon as the plane of the field of view and the object detail are coincident, then with the aid of detected optical system data, the position of the object detail with reference to the surgical microscope is determined and, with the detected coordinates of the surgical microscope, the position of the field of view is determined in space. The position detecting system required for this purpose operates on an optical basis and can be integrated into the optics of the surgical microscope.

REFERENCES:
patent: 4722056 (1988-01-01), Roberts et al.
patent: 5273039 (1993-12-01), Fujiwara et al.

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