This is because frequent blood collection from patients with low blood volume can result in anemia. safeCLINITUBES—the capillary tubes from Radiometer—are made of plastic, not glass.

IF a capillary tube, A, Fig. 1, with a wedge-shaped cut in it at a distance of about 10 mm. from its upper end, at right angles to, and deep enough to make a breach in one side of its aperture ...

increasing the volume of liquid in the Visking tubing, which forces liquid up the capillary tube. The Visking tubing is the selectively permeable membrane. Water moves by osmosis from the high ...