MAUDE Adverse Event Report: MAQUET CRITICAL CARE AB BASE UNIT SERVO-U; VENTILATOR, CONTINUOUS, FACILITY USE

Model Number	6694800
Medical Device Problem Codes	Failure of Device to Self-Test (2937); Improper Flow or Infusion (2954)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	05/27/2026
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that the ventilator generated an alarm indicating low positive end expiratory pressure (peep).Moreover, during the inspection of the ventilator it was discovered that the ventilator failed internal leakage test during pre-use check.There was no patient harm.Manufacturer's ref.#: (b)(4).

• Brand Name: BASE UNIT SERVO-U
• Common Device Name: VENTILATOR, CONTINUOUS, FACILITY USE
• Manufacturer (Section D): MAQUET CRITICAL CARE AB; roentgenvagen 2; solna
• Manufacturer (Section G): MAQUET CRITICAL CARE AB; roentgenvagen 2; solna
• Manufacturer Contact: caroline kabbabe ; roentgenvagen 2; solna
• MDR Report Key: 25591981
• Report Number: 8010042-2026-0000849
• Device Sequence Number: 5444982
• Product Code: CBK
• UDI-Device Identifier: 07325710001110
• UDI-Public: (01)07325710001110(11)200924
• Combination Product (Y/N): N
• Initial Reporter Country: HK
• PMA/510(K) Number: K201874
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Foreign,User Facility,Company Representative
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 06/23/2026

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: 6694800
• Was Device Available for Evaluation?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 06/02/2026
• Initial Report FDA Received Date: 06/23/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 09/24/2020
• Is the Device Labeled for Single Use? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Patient Sex: Unknown