Finger-pressure cushioning and indicating device, and syringe in

Surgery – Respiratory method or device – Ozone or ion generation

Patent

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Details

128218PA, 128234, A61M 500

Patent

active

043400515

ABSTRACT:
A device for application to a syringe, or other finger-pressure actuated article, includes a member to be received on the pressure-applying element of the article so as to be engaged by the user's finger when actuating the article, the finger-engaging member being effective to soften the pressure transmitted from the user's finger and to provide an indication to the user when a predetermined pressure has been applied. A number of embodiments are described wherein the indication of the predetermined pressure is produced by the yielding of the finger-engaging member at a greatly increased rate when the predetermined pressure is reached. Other described embodiments include a rigid element having a pointed tip engaged by the user's finger when the predetermined pressure is reached; and a still further embodiment is described wherein the indication of the predetermined pressure is provided by graduation markings.

REFERENCES:
patent: 1523068 (1925-01-01), Hein
patent: 3302462 (1967-02-01), Pursell
patent: 3380450 (1968-04-01), Adelberger
patent: 3494201 (1970-02-01), Roach

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