Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
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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Horzewski Michael J.
Matani Nitin P.
Cermak Adam J.
Danforth Biomedical Inc.
Yasko John D.
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