Apparatus for sampling blood

Details Apparatus for sampling blood Apparatus for sampling blood

1992-03-31

1993-11-30

Pellegrino, Stephen C.

Surgery

Truss

Pad

128766, A61B 500

Patent

active

052656217

ABSTRACT:
An apparatus for taking a blood sample after a catheter has been inserted into a patient including a syringe-type apparatus provided with a control collar which cooperates with radially extending portions of the plunger to selectably fix the axial position of the plunger. Retainer means is provided to prevent total withdrawal of the plunger from the syringe body. The plunger of the syringe may be provided with a center bore to permit flow of saline solution through the syringe to the patient.

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