Hypodermic syringe operable with double-looped ring

Details Hypodermic syringe operable with double-looped ring Hypodermic syringe operable with double-looped ring

1980-09-09

1982-04-13

Yasko, John D.

Surgery

Respiratory method or device

Ozone or ion generation

A61M 500

Patent

active

043242413

ABSTRACT:
An improved syringe assembly is provided in which a double-looped ring member comprising an index finger loop and a stem loop, permits the index finger of one hand to be inserted in the index finger loop so as to actuate withdrawal of the plunger of the syringe. Utilization of the index finger allows the exertion of a withdrawal force on the plunger along a much flatter arc than if the thumb of the same hand is used. The different articulation of the index finger of a person's hand, compared with the articulation of the thumb, allows even an elderly person to utilize the syringe assembly with one hand, without binding the plunger in the barrel of the syringe. The double-looped ring member is made of wire stock, is removably positioned on the stem of the syringe, and the stem loop is necessarily movable with respect to the stem of the plunger. Further, though the wire loops are stiff, they are manually deformable.

REFERENCES:
patent: 4217896 (1980-08-01), Behnke

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