Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1985-09-03
1986-09-02
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604249, A61M 508
Patent
active
046093710
ABSTRACT:
Dual syringe for either simultaneous or sequential injection of two different injectable liquids. The syringe includes two barrels, each having a plunger for the injection of liquid, and a manually operable three-position rotary valve which controls the filling of the syringe and the outflow of liquid from the syringe. The three positions of the valve permit liquid to be dispensed either from the first barrel only, the second barrel only, or both barrels simultaneously.
REFERENCES:
patent: 4044757 (1977-08-01), McWhorter et al.
patent: 4109653 (1978-08-01), Kozam et al.
patent: 4359049 (1982-11-01), Redl et al.
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