Full numbered depth markings from 1 cm to hub for more accurate placement. Related Products. Arterial lines: Figure 2: Vygon PVC umbilical catheters and product characteristics Venous lines : Figure 2: Vygon dual lumen UVC and product characteristics NOTE: The median diameter of the ductus venosus DV , which is the narrowest point in the hepatic venous circulation, has a linear relationship with gestation 2. Product Description Single lumen polyurethane umbilical 3. Documentation Brochures and Catalogues.
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