US PATENT SUBCLASS 600 / 157
.~.~.~ With window cleaning means

Current as of: June, 1999
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600 /   HD   SURGERY

101  DF  ENDOSCOPE {29}
153  DF  .~ Having auxiliary channel {3}
156  DF  .~.~ Fluid channel (e.g., suction, irrigation, aspiration) {3}
157.~.~.~ With window cleaning means

DEFINITION

Classification: 600/157

With window cleaning:

(under subclass 156) Subject matter wherein the fluid channel is utilized to apply washing fluids to the distal most portion of the viewing means of the endoscope to increase vision therethrough.