Uretheral catheter stent

Details Uretheral catheter stent Uretheral catheter stent

1978-04-07

1980-07-15

Michell, Robert W.

Surgery

Truss

Pad

A61M 2500

Patent

active

042123046

ABSTRACT:
An ureteral catheter stent comprises an elongated, flexible tubular member of uniform outside diameter throughout its length which has proximal and distal ends which are in the form of hooks. Openings extend through the wall of the member to provide passages for fluid to enter the lumen of the tubular member and the proximal end of the member is closed to facilitate its introduction into a body passage. Since the stent is straightened for introduction into a body passage by inserting a wire stylet in the lumen of the stent, the stent is provided with indicating means which show the direction the proximal hook will form when the stylet is removed so that proper placement is insured.

REFERENCES:
patent: 2212334 (1940-08-01), Wallerich
patent: 2857915 (1958-10-01), Sheridan
patent: 3419010 (1968-12-01), Williamson
patent: 3726269 (1973-04-01), Webster, Jr.
patent: 3890977 (1975-06-01), Wilson
patent: 3920023 (1975-11-01), Dye et al.
patent: 3938529 (1976-02-01), Gibbons
"Ureteral Indwelling Pigtail Stent Set", Cook, Inc.
"Indwelling Ureteral Stent", Heyer-Schulte Corp., 1974.

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