Surgery – Instruments – Internal pressure applicator
Patent
1992-10-02
1994-06-07
Thaler, Michael H.
Surgery
Instruments
Internal pressure applicator
604 96, A61M 2902
Patent
active
053185870
ABSTRACT:
A balloon dilatation catheter is provided with a pleated balloon defining at least three pleats and alternating wings. When the balloon collapses, it tends to assume a pleated configuration which defines a lower profile and is better adapted to pass through narrow channels, such as a guide catheter. The balloon is formed from a polymeric material in a method that involves the steps of extruding a tube having at least three circumferentially spaced, longitudinally extending segments of less wall thickness than the remainder of the tube, and biaxially stretching the tube to a predefined shape while maintaining the longitudinal segments of reduced wall thickness.
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C. R. Bard Inc.
Thaler Michael H.
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