title: An improved needle adaptor for central venous catheters.
mesh_terms: D002404:Catheterization / Q000295:instrumentation*; D002408:Catheters, Indwelling / Q000295:instrumentation; D006801:Humans; D009339:Needles / Q000295:instrumentation; D010288:Parenteral Nutrition / Q000295:instrumentation*; D010289:Parenteral Nutrition, Total / Q000295:instrumentation*