Externally grooved ureteral stent

Details Externally grooved ureteral stent Externally grooved ureteral stent

1980-02-08

1981-12-29

Apley, Richard J.

Surgery

Truss

Pad

A61M 2500

Patent

active

043077234

ABSTRACT:
The stent is an elongated, flexible generally cylindrical member. One of the ends of the stent is closed and set in the form of a hook and the other end is set in the form of a hook with a long intermediate portion connecting the hook ends. The stent is provided with at least one longitudinally extending groove to provide a passage for fluid and a wire stylet. The stylet is used to straighten the curved ends so that the stent can be cystoscopically inserted within the patient, the stylet being removed when the stent is properly positioned so that upon removal the hooks will reform and prevent the stent from migrating.

REFERENCES:
patent: 1060665 (1913-05-01), Bell
patent: 2043630 (1936-06-01), Raiche
patent: 2118631 (1938-05-01), Wappler
patent: 2221138 (1940-11-01), Hendrickson
patent: 2320157 (1943-05-01), Raiche
patent: 3419010 (1968-12-01), Williamson
patent: 3630206 (1971-12-01), Gingold
patent: 3890977 (1975-06-01), Wilson
patent: 4033331 (1977-07-01), Guss et al.
patent: 4117836 (1978-10-01), Erickson

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