MAUDE Adverse Event Report: MALLINCKRODT DAR SRL DAR; FILTER, BACTERIAL, BREATHING-CIRCUIT

Model Number	350/5879
Medical Device Problem Code	Use of Device Problem (1670)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	05/20/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.
Event or Problem Description
It was reported that the filter failed a leak test at a hospital.There was no obvious surface damage noted, but the item did not pass the leakage test.There was no patient involved.
Additional Manufacturer Narrative
Additional information: d9, g3, h3 and h6.H3 evaluation summary: medtronic conducted an investigation based upon all information received.The device and a photo were available for evaluation.Visual inspection noted that the filter's lid was cracked and the housing partially detached.It was reported that the filter failed a leak test at a hospital.There was no obvious surface damage noted, but the item did not pass the leakage test.The reported issue was confirmed.The most likely cause could not be established from the information available.The manufacturing records for each device are thoroughly reviewed prior to release to ensure that it meets all medtronic quality specifications.A secondary review of the device history records found no potentially contributing factors.Medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.

• Brand Name: DAR
• Common Device Name: FILTER, BACTERIAL, BREATHING-CIRCUIT
• Manufacturer (Section D): MALLINCKRODT DAR SRL; via giacomo bove 2/4/6/8; mirandola 41037 ; IT 41037
• Manufacturer (Section G): MALLINCKRODT DAR SRL; via giacomo bove 2/4/6/8; mirandola 41037 ; IT 41037
• Manufacturer Contact: justin ellis ; 8200 coral sea st ne; mounds view, MN 55112 ; 7635265677
• MDR Report Key: 22073065
• Report Number: 2936999-2025-00326
• Device Sequence Number: 8702546
• Product Code: CAH
• UDI-Device Identifier: 20884522041888
• UDI-Public: 20884522041888
• Combination Product (Y/N): N
• Initial Reporter Country: HK
• PMA/510(K) Number: K941536
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,Health Professional,Company Representative
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 08/25/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Model Number: 350/5879
• Device Catalogue Number: 350/5879
• Device Lot Number: 24L0811FAX
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 05/20/2025
• Supplement Date Received by Manufacturer: 08/22/2025
• Initial Report FDA Received Date: 05/22/2025
• Supplement Report FDA Received Date: 08/25/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 12/02/2024
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Sex: Unknown