Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1997-07-03
2000-02-29
McDermott, Corrine
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604523, 604525, A61M 500, A61M 2500
Patent
active
060303697
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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Carter Mark
Engelson Erik T.
Hayer Michael J.
McDermott Corrine
Target Therapeutics Inc.
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