US PATENT SUBCLASS 604 / 30
.~.~ Flow control

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.~.~ Flow control {4}
31  DF  .~.~.~> By self-acting means or condition responsive sensor
32  DF  .~.~.~> Rotary valve
33  DF  .~.~.~> Slide or reciprocating valve
34  DF  .~.~.~> Deformable occluding tube valve

DEFINITION

Classification: 604/30

Flow control:

(under subclass 27) Subject matter including means for varying the amount or rate of body treating material entering and leaving a body.

SEE OR SEARCH THIS CLASS, SUBCLASS:

65+, for condition responsive flow control means.

236, for material flow control means associated with hand or body supported injectors.

246+, for means for metering or regulating flow of material to or from the body.

254, for a float type flow control device associated with a drip meter.