Retro-bulbar needle

Details Retro-bulbar needle Retro-bulbar needle

1987-05-14

1988-07-26

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604272, A61M 3100

Patent

active

047597461

ABSTRACT:
A needle for use in the administration of retro-bulbar or peri-bulbar anesthetics and a method for its use is set forth. The needle is composed of a hub portion having a central longitudinal axis therethrough, and a generally curved needle portion extending from the hub portion. The curved needle portion is made up of a first section extending generally outwardly away from the longitudinal axis of the hub, and a second section extending generally inwardly towards the longitudinal axis of the hub. The terminal section of the curved needle portion is oriented at a predetermined angle with respect to the longitudinal axis, which angle is normally about 30.degree.. The needle also includes a vane which is oriented in the same plane as the terminal section so that the orientation of the end of the needle may be determined after insertion.

REFERENCES:
patent: 762603 (1904-06-01), Witkowski
patent: 1384355 (1921-07-01), Smith
patent: 1503399 (1924-07-01), Webb
patent: 3097647 (1963-07-01), Roehr
patent: 4013080 (1977-03-01), Froning
patent: 4200096 (1980-04-01), Charvin
patent: 4496353 (1985-01-01), Overland et al.
patent: 4511356 (1985-04-01), Froning et al.
patent: 4518383 (1985-05-01), Evans
American Journal of Ophthalmology, Jan. 1961-"The Development of Ophthalmic Anesthesia", by Walter S. Atkinson, M.D.

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