US PATENT SUBCLASS 604 / 183
.~.~.~.~ Material expelled from reservoir having separate external feed means and discharge outlet

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}
181  DF  .~.~.~ Means moved by person to inject or remove fluent material to or from body inserted conduit, holder, or reservoir {3}
183.~.~.~.~ Material expelled from reservoir having separate external feed means and discharge outlet {3}
184  DF  .~.~.~.~.~> Material fed to reservoir through hollow piston
185  DF  .~.~.~.~.~> Reservoir squeezed to expel material therefrom
186  DF  .~.~.~.~.~> Means for metering material flow to or from body

DEFINITION

Classification: 604/183

Material expelled from reservoir having separate external feed means and discharge outlet:

(under subclass 181) Subject matter wherein the material is introduced from a source into an external reservoir and is thereafter ejected from the reservoir through a separate outlet.