PTCA catheter
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United States of America Patent
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-
Mar 26, 1991
Grant Date -
N/A
app pub date -
Nov 30, 1989
filing date -
Nov 30, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A PTCA catheter is provided in which the extreme distal end is reduced to a diameter of 3 thousandths of an inch and enclosed in a coiled spring which is welded to the guidewire of the catheter at its tip and at a thicker 8 thousandths diameter portion of the guidewire to increase the strength of the tip and reduce breakage when inserted in a coronary artery. A dual lumen catheter body is provided at the proximal end for capturing and actuating the guidewire and for inflating the balloon at the distal end.
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