MAUDE Adverse Event Report: PHILIPS MEDIZIN SYSTEME BÖBLINGEN GMBH INTELLIVUE MX500 PATIENT MONITOR; MONITOR, PHYSIOLOGICAL, PATIENT(WITH ARRHYTHMIA DETECTION OR ALARMS)

Model Number	INTELLIVUE PATIENT MONITOR MX500
Medical Device Problem Code	Device Alarm System (1012)
Health Effect - Clinical Code	Insufficient Information (4580)
Date of Event	02/16/2026
Type of Reportable Event	Death
Event or Problem Description
It was reported the pressure alarms were configured as yellow alarms and not red, which resulted in the patient death.The staff does not respond to yellow alarms due to the volume of alarms the unit receives.It was determined the patient was paced at 60bpm and the monitor measured the qrs when patient was in pea.The specific alarm that was alleged to not be functioning was the arterial invasive blood pressure.The alarm setting was found on two monitors, but it remains unknown how this configuration was applied.The configuration was reviewed, revealing the extended alarms (red alarms) were never turned on unless this was manually changed at the customer site.
Additional Manufacturer Narrative
E1: (b)(6).Philips is in the process of obtaining additional information concerning this event and the complaint is still under investigation.A final report will be submitted once the investigation is complete.
Additional Manufacturer Narrative
A philips product support engineer (pse) evaluated the logs and confirmed the device did not malfunction.The audit log shows that abp alarms were generated as yellow alarms and were acknowledged by the user.The device was confirmed to be operating per specifications and no failure was identified.The investigation concludes that no further action is required at this time.If additional information is received the complaint file will be reopened.

• Brand Name: INTELLIVUE MX500 PATIENT MONITOR
• Common Device Name: MONITOR, PHYSIOLOGICAL, PATIENT(WITH ARRHYTHMIA DETECTION OR ALARMS)
• Manufacturer (Section D): PHILIPS MEDIZIN SYSTEME BÖBLINGEN GMBH; hewlett-packard-str. 2,; b1-3/d6; boblingen 71034 ; GM 71034
• Manufacturer (Section G): PHILIPS MEDIZIN SYSTEME BÖBLINGEN GMBH; hewlett-packard-str. 2,; b1-3/d6; boblingen 71034 ; GM 71034
• Manufacturer Contact: hauke schik ; hewlett-packard-str. 2,; b1-3/d6; boblingen 71034 ; GM 71034 ; 70314632031
• MDR Report Key: 24570978
• Report Number: 9610816-2026-100489
• Device Sequence Number: 20928743
• Product Code: MHX
• UDI-Device Identifier: 00884838038776
• UDI-Public: (01)00884838038776
• Combination Product (Y/N): N
• Initial Reporter Country: GM
• PMA/510(K) Number: K131872
• 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
• Initial Reporter Occupation: Biomedical Engineer
• Type of Report: Initial,Followup
• Report Date (Section B): 04/02/2026

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: Yes
• Operator of Device: Health Professional
• Device Model Number: INTELLIVUE PATIENT MONITOR MX500
• Device Catalogue Number: 866064
• 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: 02/16/2026
• Supplement Date Received by Manufacturer: 03/11/2026
• Initial Report FDA Received Date: 03/11/2026
• Supplement Report FDA Received Date: 04/02/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 11/23/2017
• 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
• Outcome Attributed to Adverse Event: Death
• Patient Sex: Unknown