Torque controlled tubing

Details Torque controlled tubing Torque controlled tubing

1990-11-21

1992-02-04

Jaworski, Francis

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604264, 128658, A61M 2500

Patent

active

050856499

ABSTRACT:
Catheter tubing suitable for medical uses is disclosed, comprising an interior tubular portion and a concentric outer shell, wherein said interior portion extends beyond said concentric outer shell on at least one end of the longitudinal axis, and wherein the hardness of the concentric outer shell exceeds the hardness of the interior tubular portion, the interior tubular portion further comprising at least two resins co-tapered with respect to each other, the hardness of the innermost of which exceeds the hardness of the outermost.

REFERENCES:
patent: 3618614 (1971-11-01), Flynn
patent: 4282876 (1981-08-01), Flynn
patent: 4385635 (1983-05-01), Ruiz
patent: 4425919 (1984-01-01), Alston
patent: 4627844 (1986-12-01), Schmitt

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