Controlled volume blood sampling syringe

Details Controlled volume blood sampling syringe Controlled volume blood sampling syringe

1979-01-29

1981-05-19

Howell, Kyle L.

Surgery

Truss

Pad

128766, 128218C, A61B 514

Patent

active

042678463

ABSTRACT:
A syringe useful for taking samples of blood includes a barrel with a hollow needle at one end and a plunger positioned inside the barrel for regulating the amount of fluid inside the barrel. In order to control the volume inside the barrel which receives and contains the blood sample, a control element is associated with the plunger and the barrel to control the distance which the plunger can move in both inward and outward directions.

REFERENCES:
patent: 772114 (1904-10-01), Pappenheim
patent: 3237660 (1966-03-01), Hill
patent: 3281023 (1966-10-01), Bruck et al.
patent: 3770026 (1973-11-01), Isenberg
patent: 3815785 (1974-06-01), Gilmont
patent: 3831602 (1974-08-01), Broadwin
patent: 3835835 (1974-09-01), Thompson et al.
patent: 4073321 (1978-02-01), Moskowitz
patent: 4178941 (1979-12-01), Raitto

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