Method and apparatus for making coude catheters

Details Method and apparatus for making coude catheters Method and apparatus for making coude catheters

1979-06-22

1981-09-29

Pavelko, Thomas P.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264296, B29C 104

Patent

active

042922704

ABSTRACT:
A method of making a elbowed end (coude) catheter which comprises: inserting an end of a flexible, thermoplastic tube into the bore of a closed-end, hollow, tubular die which defines the desired curve of the elbowed end catheter. The tubular die is heated to a temperature above the plastic melt temperature of the thermoplastic tube, while advancing the tube into the die, to cause at least about 0.5 cm. of the tube end to collapse into a generally solid, curved mass. The die and tube contained therein are then cooled to a temperature below the plastic melt temperature, and the tube is withdrawn having a closed, formed coude tip.

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patent: 4085185 (1978-04-01), Adair

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