Fixed focal balloon for interactive angioplasty and stent implantation catheter with focalized balloon
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United States of America Patent
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Feb 22, 2000
Issued Date -
N/A
app pub date -
May 13, 1997
filing date -
Feb 24, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is a focal balloon having at least one reference zone and a focal zone. In one embodiment, the reference zone and focal zone are inflatable to a first generally cylindrical profile at a first pressure. At a second, greater pressure, the focal section expands to a second, greater diameter, while the reference zone remains substantially at the first diameter. In an alternate embodiment, the focal zone and the reference zone are inflatable to their respective predetermined diameters at the inflation pressure, in the absence of constricting lesions or anatomical structures. Both balloons may be utilized to conduct interactive angioplasty to provide real-time feedback about the morphology of the lesion, and both balloons may be utilized to implant or size intravascular stents.
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