Micro catheter shaft
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 29, 2000
Grant Date -
N/A
app pub date -
Jul 3, 1997
filing date -
Jul 3, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
This is a catheter having a shaft, the layers of which are coextruded in an intermittently changing pattern that produces particular mechanical and frictional properties in the structure. The outer layer of the catheter shaft is comprised of a material which has greater flexibility than the material which comprises the inner layer of the catheter shaft. The stiffer material which comprises the inner layer has frictional properties which facilitate guidewire passage and control. The invention includes the substituent shaft per se and a method of making the shaft.
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