US PATENT SUBCLASS 604 / 140
.~.~.~.~ Material impelled by pressurized charge of gas or vacuum


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}
140.~.~.~.~ 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}
145  DF  .~.~.~.~.~> Pressurizing gas generated by chemical reaction
146  DF  .~.~.~.~.~> Pressurizing gas or vacuum charge produced by mechanical actuator (e.g., air pump, etc.) associated with injector
147  DF  .~.~.~.~.~> Pressurizing gas or vacuum charge supplied by external storage source
148  DF  .~.~.~.~.~> Means broken, cut, pierced, or torn to permit material flow


DEFINITION

Classification: 604/140

Material impelled by pressurized charge of gas or vacuum:

(under subclass 131) Subject matter wherein body treating material is forced into the body by means of a super atmospheric pressurized charge of gas or removed from the body by a releasable trapped charge of negative pressure.