Two-cannula syringe

Details Two-cannula syringe Two-cannula syringe

1986-04-30

1988-04-12

Truluck, Dalton L.

Surgery

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

Treating material introduced into or removed from body...

604239, 604411, A61M 532

Patent

active

047371501

ABSTRACT:
A two-cannula syringe for the aspiration and for the injection of medicaments in the form of liquids. The syringe includes a first cannula for the aspiration of the liquid into a cylinder of the syringe and for the possible mixing and/or degassing of the liquid and a second cannula for the actual injection. Both cannulae are present in a protected state, the first cannula being disposed so as to be displaced relative to the second and/or so as to be removable or displaceable in the longitudinal direction of the syringe, and both cannulae being disposed about the same longitudinal axis of the syringe.

REFERENCES:
patent: 2626603 (1953-01-01), Gabriel
patent: 2630803 (1953-03-01), Baran
patent: 3008570 (1961-11-01), Roehr et al.
patent: 3292624 (1966-12-01), Gabriel et al.
patent: 3940003 (1976-02-01), Larson
patent: 4059112 (1977-11-01), Tischlinger
patent: 4518383 (1985-05-01), Evans

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