US PATENT SUBCLASS 604 / 164
.~.~.~ Body piercer, obturator rod, or stylet axially movable within body entering conduit while latter is disposed in body

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}
164.~.~.~ Body piercer, obturator rod, or stylet axially movable within body entering conduit while latter is disposed in body {6}
165  DF  .~.~.~.~> Having means preventing relative movement between elements during their insertion into body
166  DF  .~.~.~.~> Having groove or reduced portion on piercer, rod, or stylet for receiving distal end of conduit
167  DF  .~.~.~.~> Having resealable closure means for conduit
168  DF  .~.~.~.~> Having telltale for showing entry of blood into conduit
169  DF  .~.~.~.~> Flow control means in conduit operable after removal of piercer, obturator, or stylet from conduit
170  DF  .~.~.~.~> Having blunt tip on obturator rod or stylet

DEFINITION

Classification: 604/164

Body piercer, obturator rod, or stylet axially movable within body entering conduit while latter is disposed in body:

(under subclass 93) Subject matter wherein the body entering conduit is mounted around a stiffening support element which is slidable removable from the conduit.

(1) Note. The stiffening element may or may not be provided with a sharpened tip for piercing the body, e.g., the element may be employed as a plug to prevent flow through the conduit and may have blunt ends. See subclass 170 indented hereunder for devices with blunt ends.

SEE OR SEARCH THIS CLASS, SUBCLASS:

506+, for methods of introducing material through piercing conduits