US PATENT SUBCLASS 604 / 238
.~.~.~.~.~.~.~ Removable plug


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}
187  DF  .~.~.~.~ Injector or aspirator syringe supported only by person during use (e.g., hand held hypodermic syringe, douche tube with forced injection, etc.) {13}
218  DF  .~.~.~.~.~ With piston or plunger for expelling material from body or injector reservoir {15}
236  DF  .~.~.~.~.~.~ Material flow controlled by valve or movable closure (e.g., plug in orifice, etc.) {2}
238.~.~.~.~.~.~.~ Removable plug


DEFINITION

Classification: 604/238

Removable plug:

(under subclass 236) Subject matter including a detachably mounted blocking bead or plug which prevents any flow until detached or removed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

89+, for closure means between mixing compartments which is moved to permit flow therebetween.