Surgery – Instruments – Internal pressure applicator
Patent
1990-03-26
1991-08-20
Yasko, John D.
Surgery
Instruments
Internal pressure applicator
604 96, A61M 2902
Patent
active
050411250
ABSTRACT:
A balloon catheter in which its inflatable and collapsible balloon is of larger diameter than adjacent portions of the catheter body. The balloon defines transition zones at the respective ends which are of fluted shape. Thus, the balloon can assume a collapsed position in which the collapsed transition zones collapse in a substantially star-shaped cross section rather than in a flat-collapsed configuration. Central portions of the catheter follow suit on collapse of the balloon, to avoid the undesired "winging" phenomenon in balloon catheters, particularly PTCA catheters.
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Cermak Adam J.
Cordis Corporation
Yasko John D.
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