Published in Medical Devices and Surgical Technology Week, February 8th, 2004
The TOPS operates over standard steerable guidewires to assist crossing difficult occlusions. Once the occlusion is crossed, TOPS is withdrawn while maintaining guidewire position and an angioplasty balloon is delivered through the pilot lumen that was formed across the occlusion.
Since TOPS operates over standard guidewires, in either fully over-the-wire or rapid exchange versions, it can be easily incorporated into an on-going procedure at any time without needing an exchange length guidewire.
Of the 7 million coronary and...
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