Injection syringe

Details Injection syringe Injection syringe

1993-08-30

1994-10-11

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604207, 604218, A61M 500

Patent

active

053542851

ABSTRACT:
The injection syringe which is particularly used for medical purposes. The syringe has a body, a piston which is disposed in the syringe body for displacement therein and an injection needle. The piston has at least two piston elements, 3 which are displaceable in relation to each other along the longitudinal axis of the syringe body.

REFERENCES:
patent: 778879 (1905-01-01), Molinari
patent: 2515956 (1950-07-01), Greenberg
patent: 3477492 (1969-11-01), Shaw
patent: 3749084 (1973-07-01), Cucchiara
patent: 3838689 (1974-10-01), Cohen
patent: 4188949 (1980-02-01), Antoshkiw
patent: 4583978 (1986-04-01), Porat et al.
patent: 4702737 (1987-10-01), Pizzino
patent: 4915695 (1990-04-01), Koobs

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