US PATENT SUBCLASS 604 / 133
.~.~.~.~ Material exhausted from body by expansion of contracted elastic receptacle or resilient means therein

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}
133.~.~.~.~ Material exhausted from body by expansion of contracted elastic receptacle or resilient means therein

DEFINITION

Classification: 604/133

Material exhausted from body by expansion of contracted elastic receptacle or resilient means therein:

(under subclass 131) Subject matter including a resilient chamber which under compression is allowed to expand, either from its own natural resiliency or from resilient means within the chamber, to draw or suck material into the chamber.