US PATENT SUBCLASS 604 / 529
.~.~.~.~.~.~ Including radiopaque or electromagnetic marker

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}
528  DF  .~.~.~.~.~ With means to advance or steer catheter, excluding remotely controlled devices {1}
529.~.~.~.~.~.~ Including radiopaque or electromagnetic marker

DEFINITION

Classification: 604/529

Including radiopaque or electromagnetic marker:

(under subclass 528) Subject matter providing material incorporated into or attached to the catheter so that its movement within the body cavity or vessel may be accurately monitored through the use of electromagnetic wave detection devices.

(1) Note. Included herein are devices to detect all frequencies of electromagnetic waves, such as IR, UV, gamma, and x-ray.