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Device evaluation: (b)(4) unit of lot number: c2264103 of echo-bx-22 was returned, open not in its original packaging for evaluation.The device related to this occurrence underwent a laboratory evaluation on the 30th of october 2025.On evaluation of the devices the following observations were made: visual inspection: needle hub examined and observed to be cracked.Distal end of needle examined, and no issue observed.Functional inspection: sheath extender able to advance and retract with no issue.Needle handle able to advance and retract with no issue.The reported failure was observed.Manufacturing records: prior to distribution, all echo-bx-22 devices are subjected to a visual inspection and functional inspection to ensure device integrity.Based on the information available to date, there is no evidence to suggest that there are any manufacturing issues associated with lot number: c2264103.A review of the manufacturing records for echo-bx-22 of lot number: c2264103 did not reveal any discrepancies that could have contributed to this complaint issue.Review historical data: the review of relevant manufacturing records confirms the failure mode has not previously occurred for this work order.Instructions for use and / label: the warning section of the instructions for use, ifu0136, which accompanies this device instructs the user to inspect the device prior to use: "visually inspect with particular attention to kinks, bends and breaks.If an abnormality is detected that would prohibit proper working condition, do not use¿.Indication for use section: ¿the device is indicated for ultrasound guided tissue sampling of submucosal and extramural lesions, mediastinal masses, lymph nodes, and intraperitoneal masses within or adjacent to the gastrointestinal tract, which is used for subsequent pathological examination to aid in disease diagnosis and patient management.¿ there is evidence to suggest that the customer did not follow the instructions for use in relation to indication for use section.As per information provided the device was used for coelic plexus block.The device was used in a manner inconsistent with the product labelling and/or instructions, therefore it is unknown how the device will function.As per update to the management of complaints procedure, where information is reviewed and categorized as use related/off label use and where no adverse event is identified then no complaint is required.The event is documented in the pms tracker and reviewed as part of post market surveillance.Image review: an image was not returned for evaluation.Root cause analysis: a definitive cause could not be determined from the investigation.A potential root cause for the inability to attach the syringe using the standard luer lock fitting may be excessive force applied during connection or disconnection, which led to damage the needle hub and prevent the syringe from attaching properly.Confirmation of complaint: complaint is confirmed based on visual and/or functional inspection.Corrective action/correction: complaints of this nature will continue to be monitored for similar events.Summary of investigation: according to the customer: ¿when we attached the 10ml syringe the needle connector is not fix properly.¿ confirmed quantity, 01 device was confirmed used.According to the initial reporter, the patient did not experience any adverse effects due to this occurrence.Investigation findings conclude that a definitive root cause could not be determined.A potential root cause for the inability to attach the syringe using the standard luer lock fitting may be excessive force applied during connection or disconnection, which led to damage the needle hub and prevent the syringe from attaching properly.Complaints of this nature will continue to be monitored for similar events.Complaint is confirmed based on visual and/or functional inspection.
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