US PATENT SUBCLASS 604 / 142
.~.~.~.~.~.~ Reservoir prepressurized or exhausted by squeeze bulb

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}
141  DF  .~.~.~.~.~ Material impelled by means (e.g., diaphragm, piston) moved by gas or vacuum pressure {2}
142.~.~.~.~.~.~ Reservoir prepressurized or exhausted by squeeze bulb

DEFINITION

Classification: 604/142

Reservoir prepressurized or exhausted by squeeze bulb:

(under subclass 141) Subject matter wherein a manually operated resilient bulb is utilized to initially charge or remove air from the reservoir thereby pressurizing or vacuumizing the intermediate means to impel the material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

217, for continuous pressurization or exhaustion of handheld reservoirs by squeeze bulbs during injections.