US PATENT SUBCLASS 604 / 45
.~.~.~ Having air or gas venting passage

Current as of: June, 1999
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604 /   HD   SURGERY

19  DF  MEANS FOR INTRODUCING OR REMOVING MATERIAL FROM BODY FOR THERAPEUTIC PURPOSES (E.G., MEDICATING, IRRIGATING, ASPIRATING, ETC.) {7}
27  DF  .~ Material introduced into and removed from body through passage in body inserted means {7}
43  DF  .~.~ Body inserted conduit with separate ingress and egress passages {2}
45.~.~.~ Having air or gas venting passage

DEFINITION

Classification: 604/45

Having air or gas venting passage:

(under subclass 43) Subject matter wherein one of the channels or lumens is a passage for introducing gas or air into the body.

(1) Note. Devices for introducing air or gas only into the conduit, usually for cleaning, are classified in this class, subclasses 266+. To be classifiable in this subclass, a patent must claim that one of the passages is for gas or air venting into or from body, usually for preventing collapse of body member about the conduit.

SEE OR SEARCH THIS CLASS, SUBCLASS:

266+, for conduits having means for admitting air or suction into the tube interior only.