Thrombolysis device
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United States of America Patent
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Aug 30, 2005
Issued Date -
N/A
app pub date -
Nov 1, 2000
filing date -
May 19, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A catheter suitable for dissolving blockages in tubular tissue provides a combination of low frequency (1-100 Hz) vibratory motion and injection of a lysing agent. The tubular tissue may be veins, arteries, ducts, intestines, or any other blocked body lumen. For vascular thrombi, the catheter may induce a vibrating, stirring action in and around the thrombus in combination with dispensing of a thrombolytic agent, such as urokinase, into the thrombus. An inflatable or expandable member may be provided near a distal tip of the catheter to prevent release of dislodged thrombus.
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