Carpule syringe with rapidly acting mechanism for controllably _

Details Carpule syringe with rapidly acting mechanism for controllably _ Carpule syringe with rapidly acting mechanism for controllably _

1983-08-22

1984-12-25

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

A61M 500

Patent

active

044901429

ABSTRACT:
A carpule syringe including a frame that receives a carpule the front end of which is closed by a thin elastomeric membrane which is pierced by a short rearwardly extending pointed end of a double ended hypodermic needle extending from the hub. The pointed front end of the needle is designed for injection into a patient. The hub of the needle has a rearwardly tapering socket for frictional engagement on a forwardly tapered tubular extension of a tubular plug that is secured into a threaded female bore at the delivery end of the carpule frame. To prevent accidental displacement of the needle hub, the same is detachably engaged by a pair of clamping arms that are pivotally mounted on a ring located at the front end of the syringe frame and are biased toward closed position.

REFERENCES:
patent: 1591761 (1926-07-01), Haines
patent: 2047512 (1936-07-01), Kauffman
patent: 2604890 (1952-07-01), Burnside
patent: 2695613 (1954-11-01), MacGregor
patent: 2806473 (1957-09-01), Lingley

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