US PATENT SUBCLASS 604 / 132
.~.~.~.~ Material impelled into body by contraction of expanded elastic material reservoir

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
132.~.~.~.~ Material impelled into body by contraction of expanded elastic material reservoir

DEFINITION

Classification: 604/132

Material impelled into body by contraction of expanded elastic material reservoir:

(under subclass 131) Subject matter wherein a filled resilient reservoir chamber maintained in an overstressed condition returns to its original unstressed condition thereby forcing material out of the chamber during contraction of the chamber.