Guide or diagnostic catheter for right coronary artery
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United States of America Patent
Stats
-
Jul 22, 2003
Grant Date -
Aug 1, 2002
app pub date -
Dec 7, 2000
filing date -
Dec 7, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A torqueable, three-dimensionally preformed guide or diagnostic catheter to selectively engage the ostium of a right coronary artery in a human includes: a torque-transmitting proximal shaft that receives manipulation by a user outside a human body in which the catheter is used; and a distal shaft that is responsive to torque transmitted by the proximal shaft. The distal shaft includes a preformed support section having at least a segment that abuts a posterior interior surface of the ascending aorta of the human body. The distal shaft also includes a preformed ostium entry section extending from the support section. In one implementation, the ostium entry section transitions from the support segment abutting the aortic wall to a distal tip end by way of at least two angles which provide smoother transition than a single sharp angle.
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