Patient reported issue with cassettes.Patient has 5 defective cassettes lot number: 4329622/expiration date unspecified.This lot number is outside of the lot numbers that were recalled a month ago.Reviewed to quarantine cassettes and pharmacy would send return box and replacement patient said that usually she notices the cassette is defective prior to hooking up to pump but one of the cassettes malfunction and "pinched off" while in use.Patient was out at the movies and realized she wasn't getting any medication and was feeling short of breath, patient was able to switch to back up cassette that she brought with her and was able to continue treatment.Unsure how long she went without medication.Exact dates unknown.No other information known.Product lot number and expiration date were systematically retrieved from the dispensing system.Did the reported product fault occur while in use with the patient? yes.Did the product issue cause or contribute to patient or clinical injury? shortness of breath due to pause in infusion.If yes, was any medical intervention provided? no.Is the actual device available for investigation? yes.Did we replace product? yes.Did the patient have a backup product they were able to switch to? yes.Was the patient able to successfully continue their therapy? yes.(b)(6) by: patient/caregiver.
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