Surgery – Truss – Perineal
Patent
1989-05-22
1990-05-15
Grieb, William H.
Surgery
Truss
Perineal
358 98, A61B 104
Patent
active
049248537
ABSTRACT:
The invention concerns an endoscopic instrument having a three-dimensional optical viewing system. Images from an interior body region are transmitted through image transmission elements contained within the endoscope probe to a prism arrangement. The prism maintains the images in upright position regardless of the rotation of the instrument. A shutter system operating at a predetermined frequency alternately opens and closes the optical path of each image. These images are converted to electrical pulses in accordance with the requirements of the three-dimensional television system used to display an image of the body region.
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"The Binocular Microscope", F. Jentzsch.
The Microscope, by H. Gazu, pp. 32-35.
Jones, Jr. Edwin R.
McLaurin A. Porter
Grieb William H.
Medical Dimensions, Inc.
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