Winged retention needle

Details Winged retention needle Winged retention needle

1981-03-04

1982-10-05

Truluck, Dalton L.

Surgery

Respiratory method or device

Ozone or ion generation

A61M 500

Patent

active

043523544

ABSTRACT:
A winged retention needle comprising a hollow needle having a beveled edge, a rigid cylindrical hub for fixing and supporting the needle, a flexible winged cylinder for rotatably supporting the hub inserted thereinto, and a means for restricting the rotation of the hub inserted through the winged cylinder so that the hub can rotate only 180.degree.. The rear end portion of the hub protruding from the rear end of the winged cylinder is inserted into a flexible tube as used in blood dialysis or continuous fluid administration so as to prevent forward and backward movements with respect to the winged cylinder, and edge surface facing up of the hollow needle inserted in a blood vessel is easily and surely faced down by 180.degree. rotation of the hub.

REFERENCES:
patent: 3064648 (1962-11-01), Bujan
patent: 3640275 (1972-02-01), Burke
patent: 4170993 (1979-10-01), Alvarez

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