US PATENT SUBCLASS 604 / 270
.~.~.~.~ Having weighted tip means on conduit promoting advance thereof through alimentary tract

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}
264  DF  .~.~.~ Body inserted tubular conduit structure (e.g., needles, cannulas, nozzles, trocars, catheters, etc.) {7}
270.~.~.~.~ Having weighted tip means on conduit promoting advance thereof through alimentary tract

DEFINITION

Classification: 604/270

Having weighted tip means on conduit promoting advance thereof through alimentary tract:

(under subclass 264) Subject matter including a relatively heavy mass mounted on the insertion end of a body inserted conduit for aiding the conduit by the use of increased gravitational attraction in advancing the conduit downward into the stomach or small intestine.