Method of making ultra small diameter catheters and of reinforce

Details Method of making ultra small diameter catheters and of reinforce Method of making ultra small diameter catheters and of reinforce

1993-03-15

1994-08-09

Vo, Peter Dungba

Metal working

Method of mechanical manufacture

Assembling or joining

29 33D, 29DIG24, 264173, 264174, B23P 1102, B32B 3130, D01D 524

Patent

active

053354109

ABSTRACT:
An ultra small diameter reinforced catheter or tubular product is produced by winding reinforcing stands on the surface of a plastic tube and introducing the same into a heated die which compresses the strands against the tubing and at the same time heats and softens superficial portions of the tubing wall with simultaneously applying both conductive and radiant heat. This allows the strands to sink into the tubing wall. Following this, the compression and the conductive heating a removed while the tubing continues to be exposed to radiant heat from the die. During this last stage, the tension in the strands induces the strands to assume a predetermined position between the inner and outer surfaces of the tubing.

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