Fluidic lens laparoscopic zoom camera for minimally invasive surgery

Frank S. Tsai; Daniel Johnson; Cameron S. Francis; Sung-Hwan Cho

doi:10.1117/1.3420192

1 May 2010 Fluidic lens laparoscopic zoom camera for minimally invasive surgery

Frank S. Tsai, Daniel Johnson, Cameron S. Francis, Sung-Hwan Cho

Author Affiliations +

Journal of Biomedical Optics, Vol. 15, Issue 3, 030504 (May 2010). https://doi.org/10.1117/1.3420192

Abstract

This work reports a miniaturized laparoscopic zoom camera that can significantly improve vision for minimally invasive surgery (MIS), also known as laparoscopic surgery. The laparoscopic zoom camera contains bioinspired fluidic lenses that can change curvature and focal length in a manner similar to the crystalline lenses in human eyes. The traditional laparoscope is long, rigid, and made of fixed glass lenses with a fixed field of view. The constricted vision of a laparoscope is often an inconvenience and plays a role in many surgical injuries. To further advance MIS technology, we developed a new type of laparoscopic camera that has a total length of less than 17 mm, greater than 4× optical zoom, and 100 times higher sensitivity than today's laparoscope allowing it to work under illumination as low as 300 lux. All these unique features are enabled by the technology of bioinspired fluidic lenses having a dynamic range over 100 diopters and being convertible between a convex and concave shape.

©(2010) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Frank S. Tsai, Daniel Johnson, Cameron S. Francis, and Sung-Hwan Cho "Fluidic lens laparoscopic zoom camera for minimally invasive surgery," Journal of Biomedical Optics 15(3), 030504 (1 May 2010). https://doi.org/10.1117/1.3420192

Published: 1 May 2010

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KEYWORDS

Laparoscopy

Cameras

Zoom lenses

Surgery

Light sources and illumination

Fluid dynamics

LED lighting

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