Variable stiffness guide wire
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 5, 1980
Issued Date -
N/A
app pub date -
Aug 29, 1978
filing date -
Aug 29, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A guide wire capable of being adjusted to provide variable stiffness for catheterizing arterial branches comprises an elongated helical wire coil with a plurality of core wires contained within and joined to the outer wire coil at their distal ends; at their proximal ends there is a handle having two elements which are movable relative to each other connected respectively to the inner core wires and to the wire coil to vary the extent to which the coil may be flexed, by tensioning the core wires and limiting the longitudinal expansion of the coil.
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