MAUDE Adverse Event Report: DRÄGERWERK AG & CO. KGAA PERSEUS A500; ANESTHESIA UNITS

Model Number	MK06000
Medical Device Problem Codes	Gas Output Problem (1266); Decrease in Pressure (1490); Failure to Deliver (2338); Intermittent Communication Failure (4038)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/28/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The investigation has been started.Results will be provided within a follow-up report.
Event or Problem Description
It was reported that the perseus failed during use and continued operation after approx.10 seconds with an alarm message indicating that the flowsensor was not calibrated.There was no patient injury reported.

• Brand Name: PERSEUS A500
• Common Device Name: ANESTHESIA UNITS
• Manufacturer (Section D): DRÄGERWERK AG & CO. KGAA; moislinger allee 53-55; lübeck ; GM
• Manufacturer (Section G): DRÄGERWERK AG & CO. KGAA; moislinger allee 53-55; lübeck 23558 ; GM 23558
• Manufacturer Contact: moislinger allee 53-55; lübeck 23558 ; 4518822868
• MDR Report Key: 25109965
• Report Number: 9611500-2026-00194
• Device Sequence Number: 21400664
• Product Code: BSZ
• UDI-Device Identifier: 04048675253600
• UDI-Public: (01)04048675253600(11)220727(93)MK06000-41
• Combination Product (Y/N): N
• Initial Reporter Country: SZ
• PMA/510(K) Number: K133886
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: User Facility,Company Representative
• Initial Reporter Occupation: Other Health Care Professional
• Type of Report: Initial,Followup
• Report Date (Section B): 06/26/2026

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: MK06000
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: Yes
• Type of Report(Section G): Follow-Up
• Initial Date Received by Manufacturer: 04/29/2026
• Supplement Date Received by Manufacturer: 06/15/2026
• Initial Report FDA Received Date: 05/07/2026
• Supplement Report FDA Received Date: 06/26/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 07/27/2022
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Patient Sex: Unknown