Small diameter video camera heads and visualization probes and medical devices containing them
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United States of America Patent
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Aug 12, 2014
Grant Date -
Mar 17, 2011
app pub date -
Sep 16, 2010
filing date -
Sep 16, 2009
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Abstract
In a first aspect the invention is a video camera head comprising an objective lens assembly and a solid state imager (SSI) comprised of a solid state pick up device and additional circuitry adapted to produce an output video signal. The video camera head has a maximum outer diameter of 1.1 mm or less and the length of the objective lens assembly is 2.5 mm or less. In a second aspect the invention is a visualization probe comprising illumination means, an objective lens assembly, and a solid state imager (SSI) comprised of a solid state pick up device and additional circuitry adapted to produce an output video signal. The visualization probe has a maximum outer diameter of 2.8 mm or less. In a third aspect the invention is a medical device comprising a visualization probe comprised of illumination means, an objective lens assembly, and a solid state imager (SSI) comprised of a solid state pick up device and additional circuitry adapted to produce an output video signal. The medical device has a maximum outer diameter of 3.2 mm or less.
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