Syringe holding and ejecting assembly

Details Syringe holding and ejecting assembly Syringe holding and ejecting assembly

1992-04-21

1993-04-13

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604232, 604263, A61M 532

Patent

active

052017206

ABSTRACT:
A syringe holding and ejecting assembly which has an open ended cylindrical syringe holder with a syringe holder cap rotatable mounted on the rear end of the syringe holder and an elongated plunger slidable along the axis of the holder and its cap. The syringe holder has a spring biased cylindrical shield slidably mounted on the outside of the syringe holder. The elongated syringe filled with liquid medicant has a hypodermic needle axially mounted on its front end and a medicant-sealing piston at its rear end operated by the plunger. The syringe is designed and sized to fit into the open end of the holder and by rotation of the cap, locked into the syringe holder. Means activated by the forward movement of the plunger in administering the injection of the needle and then the medicant into a patient's body causes the shield to slide forward and lock into a position surrounding the withdrawn needle. The entire assembly can now to taken to and held over a waste disposal box. By rotation of the cap to unlock the syringe from the holder, which action will permit the used syringe from coming in contact with the potentially hazardous, recently withdrawn needle.

REFERENCES:
patent: 1892993 (1933-01-01), Nevin
patent: 2537550 (1951-01-01), Roos
patent: 2646798 (1953-07-01), Brown
patent: 2855931 (1958-10-01), Brown
patent: 4702739 (1987-10-01), Milorad
patent: 4820275 (1989-04-01), Haber et al.
patent: 4863434 (1989-09-01), Bayless
patent: 4894055 (1990-01-01), Sudnak
patent: 5088985 (1992-02-01), Deras
patent: 5116319 (1992-05-01), van den Haak
patent: 5163918 (1992-11-01), Righi et al.

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