US PATENT SUBCLASS 604 / 246
.~.~.~ Means for controlling material flow to or from body, or metering a predetermined dose or amount

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}
48  DF  .~ Treating material introduced into or removed from body orifice, or inserted or removed subcutaneously other than by diffusing through skin {9}
93  DF  .~.~ Material introduced or removed through conduit, holder, or implantable reservoir inserted in body {30}
246.~.~.~ Means for controlling material flow to or from body, or metering a predetermined dose or amount {6}
247  DF  .~.~.~.~> Having fluid responsive means (e.g., check valve, etc.)
248  DF  .~.~.~.~> Rotatable type valve
249  DF  .~.~.~.~> Slide or reciprocating valve
250  DF  .~.~.~.~> Conduit deforming clamp
251  DF  .~.~.~.~> Drip meter {4}
256  DF  .~.~.~.~> Having flow closing or opening means (e.g., plug, cap, seal, etc.)

DEFINITION

Classification: 604/246

Means for controlling material flow to or from body, or metering a predetermined dose or amount:

(under subclass 93) Subject matter having means for regulating flow of material to or from body, or supplying or removing a predetermined amount of material to or from body.

SEE OR SEARCH THIS CLASS, SUBCLASS:

207+, for handheld devices for metering flow to or from body.