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Proceedings Paper

Single-camera three-dimensional laparoscopic system
Author(s): Edwin R. Jones; A. Porter McLaurin
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Paper Abstract

A fully operational single-camera system for 3D medical laparoscopy has been developed. We optimized the optical design to increase the amount of light through the system, and we improved the image quality through an increase in resolution and a reduction of the flicker. We report the details of the present embodiment of the laparoscope and note the specific differences between the current version and those previously described. In order to improve image stability this model was built retaining the single camera but with the two viewpoints presented field-sequentially at 60 Hz. Shuttered glasses are used for viewing the monitor. The present embodiment retains the single-camera concept and the shuttered glasses, but now switches at 120 Hz to present a flickerless image. Light losses in the original laparoscope have been overcome through improved placement of fiber bundles, modifications to the optics to achieve higher f/number for the system, and better cameras that respond well at low light levels. Although the latest scope has twisted-nematic liquid-crystal shutters, mechanical shutters will be tried in the next generation.

Paper Details

Date Published: 15 April 1994
PDF: 5 pages
Proc. SPIE 2177, Stereoscopic Displays and Virtual Reality Systems, (15 April 1994); doi: 10.1117/12.173872
Show Author Affiliations
Edwin R. Jones, Univ. of South Carolina (United States)
A. Porter McLaurin, Univ. of South Carolina (United States)


Published in SPIE Proceedings Vol. 2177:
Stereoscopic Displays and Virtual Reality Systems
Scott S. Fisher; John O. Merritt; Mark T. Bolas, Editor(s)

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