Risk of uncontrolled IV bolus when using non-recommended syringes


Alaris syringe pumps are manufactured by CareFusion – using non-recommended syringes in Alaris syringe pumps that have a broken spring in the plunger assembly may cause unintended bolus of medication” MHRA (2016).


  • If the pump keeps showing ‘check syringe’ alarms, contact CareFusion to discuss how to check the springs housed in the plunger holder.
  • Use only the recommended syringes listed in the instructions for use for these pumps.
  • Ensure all syringe pumps are regularly maintained and serviced in accordance with the manufacturer’s recommendations.
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