Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1996-05-06
1999-04-06
Stright, Jr., Ronald
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604 96, 604101, 606194, 600 3, A61M 2900
Patent
active
058910913
ABSTRACT:
A catheter for use with a radioactive source within the catheter to irradiate a selected area of a blood vessel in combination with angioplasty procedures, to prevent restenosis of that area of the blood vessel. The catheter has a guidewire channel formed near its distal end to facilitate use of the catheter as a rapid exchange catheter, allowing insertion of the catheter over a guidewire also used in performance of an angioplasty procedure. The catheter can also have a guidewire channel formed near its proximal end to provide an O-ring sealing surface and to facilitate free guidewire movement. The catheter also has a closed end to retain the radioactive source within the catheter. The catheter can also be provided with a centering balloon or a set of centering wire loops to center the radioactive source radially within the blood vessel.
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Spinks Gerald W.
Stright, Jr. Ronald
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