US PATENT SUBCLASS 604 / 524
.~.~.~.~.~ With reinforcing structure

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}
523  DF  .~.~.~.~ Flexible catheter or means (e.g., coupling) used therewith {5}
524.~.~.~.~.~ With reinforcing structure {2}
525  DF  .~.~.~.~.~.~> Providing varying degrees of flexibility along longitudinal axis
526  DF  .~.~.~.~.~.~> Lumen enforced by embedded or coiling strands {1}

DEFINITION

Classification: 604/524

With reinforcing structure:

(under subclass 523) Subject matter including wall fortifying means to prevent collapse of the conduit during or after insertion into the body.

(1) Note. The reinforcing structure should assist in retaining the desired shape of the catheter lumen, per se.

(2) Note. Means to retain cannula to the body are not included herein.