Reinforced multilumen catheter for axially varying stiffness

Details Reinforced multilumen catheter for axially varying stiffness Reinforced multilumen catheter for axially varying stiffness

1994-04-15

1995-11-28

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604282, A61M 2500

Patent

active

054703220

ABSTRACT:
Multilumen catheters are provided with an axially decreasing stiffness by the incorporation of a hollow tube formed of a relatively stiff material into the catheter construction. The tube may either encircle the catheter as an external shell or reside inside one of the lumens as a liner. The stiffness variation may be attained by extending the hollow tube only part of the distance from the proximal to the distal ends of the catheter or by varying the construction of the hollow tube.

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