US PATENT SUBCLASS 604 / 254
.~.~.~.~.~ Having float controlling or indicating material flow from chamber


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  DF  .~.~.~ Means for controlling material flow to or from body, or metering a predetermined dose or amount {6}
251  DF  .~.~.~.~ Drip meter {4}
254.~.~.~.~.~ Having float controlling or indicating material flow from chamber


DEFINITION

Classification: 604/254

Having float controlling or indicating material flow from chamber:

(under subclass 251) Subject matter wherein a float in the light permeable chamber either controls flow from the chamber or indicates the material flow rate.

(1) Note. The float can act as a flow cutoff once the material level has passed below the outlet seat.

SEE OR SEARCH THIS CLASS, SUBCLASS:

127, for devices preventing air injection into the body by means of a low level cutoff float.