Apparatus and method for percutaneous catheterization
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United States of America Patent
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-
Oct 25, 1983
Grant Date -
N/A
app pub date -
Nov 30, 1981
filing date -
Nov 30, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for percutaneous catheterization of a vascular or other body compartment employs a shape memory alloy cylindrical cannula which expands after introduction into the body compartment with sufficient radial force to dilate the vascular member. A cylindrical plastic sheath embracing the cannula facilitates introduction and insulates the vascular compartment from contact with the metal of the cannula.
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