Fluid dispensing device

Details Fluid dispensing device Fluid dispensing device

1983-11-14

1984-10-30

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

044798016

ABSTRACT:
A device in the form of a syringe having a barrel with a cylindrical neck portion in the end thereof and a plunger axially displaceable therein, a hollow needle and a hub securing the hollow needle to the open end of the barrel with a chamber in between dimensioned to have a cross section greater than the cross section of the bore and a sealing disc within the neck of the barrel mounted for displacement between sealing position for separating the needle from the barrel and unsealing position enabling fluid to flow from the barrel through the chamber to the needle.

REFERENCES:
patent: 2893390 (1959-07-01), Lockhart
patent: 3076456 (1963-02-01), Hunt, Sr.
patent: 3659749 (1972-05-01), Schwartz
patent: 4233975 (1980-11-01), Yerman

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