US PATENT SUBCLASS 604 / 31
.~.~.~ By self-acting means or condition responsive sensor

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}
30  DF  .~.~ Flow control {4}
31.~.~.~ By self-acting means or condition responsive sensor

DEFINITION

Classification: 604/31

By self-acting means or condition responsive sensor:

(under subclass 30) Subject matter wherein the flow of the body treating material into and out of the body is arrested by a means not requiring any action by a person or by a detector means responsive to some variable in the body or the flow control means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

65+, for similar devices controlling flow of a body effecting agent into or out of the body by condition responsive sensor.

245+, for devices terminating flow into or out of the body by self-acting means.