title: New cannula for intermittent and continuous venous sampling without heparinisation.
mesh_terms: D001800:Blood Specimen Collection / Q000295:instrumentation*; D002408:Catheters, Indwelling; D002648:Child; D006493:Heparin / Q000627:therapeutic use; D006801:Humans; D012826:Silicone Elastomers; D013924:Thrombophlebitis / Q000517:prevention & control; D014680:Veins
chemical_list: D012826:Silicone Elastomers; D006493:Heparin