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

1991-05-17

1993-10-26

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

A61H 2500

Patent

active

052561585

ABSTRACT:
A plastic catheter and a method for making the same, the catheter having radiopaque marker ring placed within a tube, whereby the radiopaque ring is inserted into the expanded section of the tube, followed by the relaxation of the tube to its original dimensions, such that there is no protusion of the ring on the tube inner-diameter, where the ring inner-diameter is equal or greater than the tube inner-diameter, and the ring outer-diameter protrudes a distance into the tube but not beyond the thickness of the tube; thereby, creating a smooth outer surface and an obstruction free inner surface.

REFERENCES:
patent: 4195637 (1980-03-01), Gruntzig
patent: 4292970 (1981-10-01), Hession, Jr.
patent: 4323071 (1982-03-01), Simpson et al.
patent: 4516970 (1985-05-01), Kaufman et al.
patent: 4545390 (1985-10-01), Leary
patent: 4661094 (1987-04-01), Simpson
patent: 4863442 (1989-09-01), De Mello et al.
patent: 4920980 (1990-05-01), Jackowski
patent: 4967753 (1990-11-01), Haase et al.
patent: 5045071 (1991-09-01), McCormick et al.
Cook Urological Endoureterotomy Stent Sets data sheet, 1990.

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