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Additional information: cook spectrum minocycline/rifampin impregnated triple lumen central venous catheter set.Investigation-summary: a review of dimensional verification, complaint history, device history record, drawing, ifu, manufacturing instructions, and quality control data was conducted during the investigation.Cook spectrum minocycline/rifampin impregnated triple lumen central venous catheter set" (lot 7792182), was returned for evaluation.Visual inspection and dimensional verification of the returned device was performed.The device was returned in used condition; the extension tube with the red hub was separated at the manifold.There was no material inside the manifold.There was a smooth transition of the pin gage through the lumen.The length, outer diameter (od) and inner diameter (id) of the red extension tube were measured and all were within specification.The tubing is insert molded to the manifold and the image of the separation appears to be sheared rather than pulled.A document-based investigation evaluation showed no evidence to suggest the product was not made to specifications.Review of the device history record shows no nonconforming events which could contribute to this failure mode.A review of complaint history for the product lot revealed this complaint to be the only reported complaint associated to complaint lot number 7792182.Based on the available information and evaluation of the returned device, it is not clear if the leading cause to this event might be associated with intense mobilization of the patient (which could determine an eventual catheter disconnection), the medical procedure or a potential malfunction of the device.However, there is no definitive evidence that the device was not manufactured to specification.While it is feasible that the device may have become kinked or folded or was power injected above predetermined limits causing the tubing to break, the root cause is inconclusive per the quality engineering risk assessment, no further action is required.Cook medical has notified the appropriate personnel and will continue to monitor this device via the complaints database for similar complaints.
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