Multi-vial blood collection system

Details Multi-vial blood collection system Multi-vial blood collection system

1994-06-13

1996-04-16

Rimell, Sam

Surgery

Truss

Pad

128760, A61B 500

Patent

active

055072992

ABSTRACT:
A blood collection system is provided for collecting multiple samples of blood into evacuated vials from a single needle insertion site, and comprises a capillary tube system which acts as a regulator so that samples of blood can be collected at a controlled rate, thereby reducing the risk of vein collapse or other patient trauma. The capillary tube system includes a flexible catheter which mounts an intravenous cannula which can be positioned within a blood vessel from which is drawn the blood sample. A plurality of fittings are located along the length of the capillary tube system, and define openings for interfitting needles, which lie within a series of bores that extend axially from the blood collection system. Samples of blood are taken by inserting covered, evacuated vials into the bores of the blood collection system until a needle pierces the cover of a vial. A blood sample drawn from the patient will flow through the flexible catheter and into the capillary tube system and through the attached needles, and is collected into the multiple evacuated vials, while requiring only a single needle insertion into a patient.

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