Multipart radiopaque and/or magnetically detectable tube cathete

Details Multipart radiopaque and/or magnetically detectable tube cathete Multipart radiopaque and/or magnetically detectable tube cathete

1996-11-22

1998-07-21

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

128658, A61M 2500

Patent

active

057828105

ABSTRACT:
An improved readily fabricated catheter having a detectable marker incorporated therein wherein the catheter is a conventional flexible and transparent polymeric tube of any usual or desired length, but wherein one end of which is relieved to define a socket or counterbore of an internal diameter somewhat greater than the normal fluid flow bore of the tubing. The catheter further includes a shorter length of tubing having at one end a usual angled or cut face, and having at its other end a short neck of reduced diameter carrying thereon a detectable metallic, magnetic, or radiopaque marker element. The two components are easily telescoped together over their relatively short lengths to confine the marker between the inside and outside walls of the tubing, and the telescoped portions are sealed together to prevent fluid flow or leakage therethrough.

REFERENCES:
patent: 4063561 (1977-12-01), McKenna
patent: 4244362 (1981-01-01), Anderson
patent: 4361152 (1982-11-01), Patel
patent: 4431005 (1984-02-01), McCormick
patent: 4571240 (1986-02-01), Samson et al.
patent: 5045071 (1991-09-01), McCormick et al.
patent: 5045072 (1991-09-01), Castillo et al.
patent: 5160559 (1992-11-01), Scovil et al.
patent: 5203777 (1993-04-01), Lee
patent: 5256158 (1993-10-01), Tolkoff et al.

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