Device for removal of intraluminal occlusions
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United States of America Patent
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Sep 27, 1994
Issued Date -
N/A
app pub date -
Jun 30, 1993
filing date -
Mar 25, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method and device for removal of intraluminal occlusions which includes a catheter having a cutting head in a distal end thereof. The cutting head undergoes a simultaneous longitudinal and rotational movement by means of fluid pressure applied to a distal piston to which the cutting head is attached, The proximal end of the catheter includes a reciprocating pump which applies the fluid pressure to the distal piston. The cutting head is retractable to a sheathed or retracted position during insertion and movement in a patient. Material removed by the cutting head can either be collected in a chamber located between the distal piston and the cutting head or aspirated through the proximal end of the catheter.
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