Double wall catheter with internal printing and embedded marker

Details Double wall catheter with internal printing and embedded marker Double wall catheter with internal printing and embedded marker

1989-01-19

1991-09-03

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

12820714, A61M 2500

Patent

active

050450719

ABSTRACT:
A catheter and a method of making the same, which catheter has a means for interferring with an electromagnetic field to allow accurate detection of the catheter through tissue, the catheter comprising a first tube extruded over a continuous, solid core material having a diameter equivalent to the desired diameter of the inner passageway of the catheter, bands of metal fused to the first tube at various locations, and a second tube which is extruded over the first and the metal bands. The double-walled continuous tube is then cut into individual tubes and the core material is removed to form the catheter of this invention, which has a smooth outer surface and an embedded metal band.

REFERENCES:
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patent: 3618613 (1971-11-01), Schulte
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patent: 3854229 (1974-12-01), Morgan
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patent: 4445501 (1984-05-01), Bresler
patent: 4447239 (1984-05-01), Kruetten
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Surgitek.RTM. Advertisement from Medical Engineering Corp., Aug. 16, 1976.

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