US PATENT SUBCLASS 604 / 525
.~.~.~.~.~.~ Providing varying degrees of flexibility along longitudinal axis


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  DF  .~.~.~.~.~ With reinforcing structure {2}
525.~.~.~.~.~.~ Providing varying degrees of flexibility along longitudinal axis


DEFINITION

Classification: 604/525

Providing varying degrees of flexibility along its longitudinal axis:

(under subclass 524) Subject matter wherein either (a) the material is treated such that the physical properties of a cannula differ along the entire length of the lumen or (b) a plurality of materials with differing physical properties are used so that the hardness is not uniform along the length of the lumen.