Clear lumen of umbilical venous catheter (uvc) was beeping occluded steadily from when lines were hung after insertion.Blue lumen functioning properly.Multiple nurses and providers involved with troubleshooting.Line flushed and had good blood return.We pulled the uvc out <0.5cm, line remained patent with blood return.Repeat x-ray showed lines remained in good position.We removed the transducer, but it did not fix the problem.Finally we switched out the filter for a new one and the pressure on the alaris pump immediately went to zero.When the filter was unscrewed from the iv tubing, there was a little spray of fluid as though there had been pressure backing up.Defective filter placed in bag and left in office.Lot number unavailable, number provided below is from current stock on hand.Photos attached to file.No obvious defect in tubing on visual inspection, flushes normally now.Manufacturer contacted via product complaints email.Device will remain available in office pending request form manufacturer to have it returned.This event was categorized as minimal temporary harm.
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