Ultrasonic crimping of a varied diameter vascular graft

Details Ultrasonic crimping of a varied diameter vascular graft Ultrasonic crimping of a varied diameter vascular graft

2007-12-18

2007-12-18

Johnson, Christina (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Direct application of electrical or wave energy to work

Using sonic, supersonic, or ultrasonic energy

C264S442000, C264S506000, C623S001280, C623S001300

Reexamination Certificate

active

10822955

ABSTRACT:
A method of crimping a varied diameter graft is includes the steps of (i) providing a flat-woven tubular graft having an enlarged woven bulbous portion disposed between flat-woven tubular ends, wherein the flat-woven diameter of the bulbous section is greater than the flat woven diameters of the tubular ends; (ii) providing a mandrel shaped and sized to the woven bulbous section and having a curved crimping surface; and (iii) positioning the curved crimping surface within the bulbous woven section so that the bulbous woven section contours to the curved crimping surface.

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Dukane Corporation Ultrasonic Division, Ultrasonic Processing of Fabric and Films, Dec. 2003, pp. 1-4.

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