Device having a radiopaque marker for endoscopic accessories and

Details Device having a radiopaque marker for endoscopic accessories and Device having a radiopaque marker for endoscopic accessories and

1994-09-08

1996-02-06

Maglione, Corrine M.

Surgery

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

Treating material introduced into or removed from body...

A61M 2500

Patent

active

054892775

ABSTRACT:
A catheter and a method for making the same, the catheter having a radiopaque marker ring placed within a tube, whereby the radiopaque ring is inserted into an expanded section of the tube, followed by the relaxation of the tube to its original dimensions, where the ring inner-diameter is equal or greater than the tube inner-diameter, and the ring outer-diameter is less than the tube outer-diameter, such that said inner surface of said ring is exposed to said lumen of said tube such that said inner surface provides a pathway through which other devices pass through said tube without obstruction, and said outer surface of said ring is embedded within said tube, under conditions such that the bump on the outer surface of said tube which would otherwise be present is reduced to allow said tube to pass through other devices without obstruction, said embedding condition also minimizing the overall thickness of said tube.

REFERENCES:
patent: 4552127 (1985-11-01), Schiff
patent: 4661094 (1987-04-01), Simpson
patent: 4863442 (1989-09-01), DeMello et al.
patent: 4920980 (1990-05-01), Jackowski
patent: 4967753 (1990-11-01), Haase et al.
patent: 5135486 (1992-08-01), Eberle et al.

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