ULTRASONICALLY VISIBLE BALLOON CATHETER ASSEMBLY AND METHOD OF IMAGING A MEDICAL BALLOON
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United States of America Patent
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Issued Date -
Mar 21, 2013
app pub date -
Sep 10, 2012
filing date -
Sep 16, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A balloon catheter assembly (10) includes a balloon (20) at a distal end (18) of a balloon catheter (14). The balloon (20) is inflated with a fluid (44) which has suspended therein a plurality of particles (46) which may be microcapsules or pellets. The particles (46) are echogenic and/or radiopaque, in the preferred embodiment to provide Rayleigh scattering of ultrasonic waves directed to the balloon (20). The balloon (20) thus becomes visible under ultrasonic imaging and by use of an inflation fluid (44) which can be of low viscosity and low toxicity.
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