Esophageal varices injector

Details Esophageal varices injector Esophageal varices injector

1981-01-28

1982-09-21

Yasko, John D.

Surgery

Truss

Perineal

128215, A61B 100

Patent

active

043501486

ABSTRACT:
An injector is disclosed for treating esophageal varices and other disorders with injected medications. The injector includes a needle which has a tubular bore for injecting the medication into the varices. The needle has an exposed length which is sufficiently long to enter a vein wall but not sufficiently long to pass through the vein and esophagus walls. A tubular connector has an internal bore connected with the needle and has a flange for inhibiting the connector from following the needle through a puncture. The tubular connector has a shank portion which is connected with a flexible tube. The flexible tube, tubular connector, and needle are slidingly receivable in a biopsy channel of a flexible, fiberoptic endoscope. A syringe is connected to the other end of the flexible tube for selectively forcing medications through the tube, connector, and needle into the varices.

REFERENCES:
patent: 3380448 (1968-04-01), Sadove et al.
patent: 3659610 (1972-05-01), Cimber
patent: 3830225 (1974-08-01), Shinnick
patent: 4136695 (1979-01-01), DaFoe
patent: 4237871 (1980-12-01), Bonnet

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