US PATENT SUBCLASS 600 / 154
.~.~ Channel seal (e.g., forceps stopcock)


Current as of: June, 1999
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600 /   HD   SURGERY

101  DF  ENDOSCOPE {29}
153  DF  .~ Having auxiliary channel {3}
154.~.~ Channel seal (e.g., forceps stopcock)


DEFINITION

Classification: 600/154

Channel seal (e.g., forceps stopcock):

(under subclass 153) Subject matter wherein the auxiliary channel has means for substantially closing the end of the channel which closing means is provided with a portion which admits the passage of instruments therethrough.