There has been three separate events in the nicu involving the use of the icu medical b1729 luer lock extension set with 0.2 micron filter.The first event ((b)(4)) noted the malfunctioning of a b1729 iv ext set connected to an umbilical venous catheter (uvc).When the micron filter was placed at the same level as the newborn patient, the uvc bled back into the iv line and tubing.The micron filter worked as expected when held in the "house up" position.The iv flow rate during this event was 17.5 ml/hr.The issue with the b1729 ext set started when the filter had to be added to the no-port iv tubing.The 0.2 filter is shorter than the filters used in the past which are 14 cm in total length.The second event ((b)(4)) involved blood backing up in the uvc line using the b1729 micron filter connected to a bd alaris iv infusion set.The bd iv pump was used to infuse fluids at a rate of 7.3 during a total parenteral nutrition (tpn) procedure.Rn noted the presence of blood in the line and called the physician.Health care providers noted that fluid started to flow normally on the iv set when the filter was held in a vertical position (up higher in the air).Blood started backing up in the line immediately after the filter was lowered back down despite using a 7.3 pump rate.A large amount of backed up air was noted on the filter as well.The filter is being used a substitute product to a shortage of the regular product due to covid-19.The third event ((b)(4)) involved the use of a dual lumen uvc, large volume bag and a syringe pump infusing fluids into a patient.The issue started with the infusion of gentamicin.All pumps began alarming occlusion and neither the outgoing nurse nor the neonatal nurse practitioner were able to flush line/lumen.It is unclear if the infusion into the lumen was from the large volume bag or syringe pump.Physician was called to assess line.Physician was able to get line to flush sluggishly.Physician ordered fluids to be infused by syringe pump only, and to loosen sutures on uvc for being too tight.Fluids were able to infused into uvc without incident afterwards.
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