Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1996-04-04
1999-05-04
McDermott, Corrine
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604 19, 604280, A61M 2900
Patent
active
058998829
ABSTRACT:
Apparatus and method are described for delivery of a treating element, such as a radiation source, through a catheter to a desired site in the intraluminal passageways of a patient, such as a coronary artery, for inhibiting the formation of scar tissue such as may occur in restenosis following balloon angioplasty. The apparatus includes an elongated flexible catheter tube having proximal and distal end portions, with a lumen extending therebetween, and a diameter sufficiently small for insertion in to a patient's intraluminal passageways. One or more treating elements, such as a capsule or pellet containing radioactive material, is positionable within the lumen and movable between the proximal and distal end portions under the force of liquid flowing through the lumen. A method for using such apparatus, including a method for using such apparatus simultaneously with a balloon angioplasty procedure, is disclosed.
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Bonnoitt, Jr. George K.
Crocker Ian R.
Halpern David S.
Hillstead Richard A.
Larsen Charles E.
Emory University
McDermott Corrine
Novoste Corporation
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