Method of use for percutaneous material removal device and tip
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United States of America Patent
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-
Sep 14, 2004
Issued Date -
N/A
app pub date -
Mar 2, 2001
filing date -
Apr 30, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of removing material from a body lumen in a patient in need of such removal, comprising advancing a catheter-mounted device having a distal material removal tip including a hollow housing and a member rotatable therewithin, rotating the rotatable member, drawing the material into the housing, shearing the material in the housing between relatively rotating shearing members to reduce the clogging propensity of the material, and removing the sheared material from within said housing as the material removal tip is advanced through the vessel. In another embodiment, the rotatable member of the invention includes grinding member for grinding the material prior to the contact of the material with the shearing member. An article of manufacture that includes packaging material and instructions in the method of the invention contained within the packaging material is also taught.
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