MAUDE Adverse Event Report: Maquet Critical Care AB BASE UNIT SERVO-U; Ventilator, Continuous, Facility Use

Model Number	6694800
Medical Device Problem Code	Infusion or Flow Problem (2964)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	09/17/2026
Type of Reportable Event	Malfunction
Event or Problem Description
It was reported that the o2 concentration was lower than the set value.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: 50947114
• Report Number: 8010042-2026-0001348
• Device Sequence Number: 10429584
• Product Code: CBK
• UDI-Device Identifier: 07325710001110
• UDI-Public: (01)07325710001110(11)181108
• Combination Product (Y/N): N
• Initial Reporter Country: FR
• 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,Health Professional,User Facility,Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial
• Report Date (Section B): 09/30/2026

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
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 09/17/2026
• Initial Report FDA Received Date: 09/30/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 11/08/2018
• Is the Device Labeled for Single Use? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Patient Sex: Unknown