Flow apparatus for the disruption of occlusions
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United States of America Patent
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Mar 4, 2003
Issued Date -
N/A
app pub date -
Sep 6, 2001
filing date -
Jul 22, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention encompasses methods and apparatus for pumping fluid from one location to another through the repetitive expansion and collapse of bubbles generated as a result of the absorption of repetitive pulses of radiation in a fluid. This pumping phenomenon can be used to aid removal of a total or partial occlusion in a body passage by emulsifying the occlusion with acoustic shock and pressure waves or by causing mechanically disrupting the occlusive material.
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