US PATENT SUBCLASS 604 / 147
.~.~.~.~.~ Pressurizing gas or vacuum charge supplied by external storage source

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}
131  DF  .~.~.~ Treating material forced into or out of body by self-acting fluid pressure, motor-driven, or mechanical energy storing means (e.g., pressure infusion or aspiration, etc.) {8}
140  DF  .~.~.~.~ Material impelled by pressurized charge of gas or vacuum {5}
147.~.~.~.~.~ Pressurizing gas or vacuum charge supplied by external storage source

DEFINITION

Classification: 604/147

Pressurizing gas or vacuum charge supplied by external storage source:

(under subclass 140) Subject matter wherein the material reservoir is pressurized by gas or vacuum delivered from a supply remote from the injector or aspirator, such as a tank or motor-driven pump, which is connected to the reservoir by a conduit.