Catheter for introduction into blood vessel
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United States of America Patent
Stats
-
Apr 19, 1994
Grant Date -
N/A
app pub date -
Feb 26, 1990
filing date -
Aug 28, 1987
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Disclosed is a catheter which is introduced into a blood vessel for the treatment or inspection of a diseased portion in the blood vessel. For facilitating the introducing operation of the catheter, a super-elastic wire is housed in the catheter body in a manner to extend in the longitudinal direction of the catheter body. The super-elastic wire may be fixed within the lumen of the catheter body, may be detachably provided, or may be embedded in a part of the catheter body. The exposed surface of the catheter body or the super-elastic wire may be covered with a layer of a watersoluble high molecular weight material. Also, an X-ray intransmissible material may be applied to the exposed surface of the catheter body or the super-elastic wire.
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