MAUDE Adverse Event Report: PHILIPS MEDICAL SYSTEMS INTELLIVUE MX40 WLAN; MONITOR, PHYSIOLOGICAL, PATIENT(WITH ARRHYTHMIA DETECTION OR ALARMS)

Model Number	MX40 - WLAN
Medical Device Problem Code	Incorrect Measurement (1383)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	04/15/2026
Type of Reportable Event	Malfunction
Event or Problem Description
The customer reported that the heart rate was not correct as it measured 147 and the patient was only 70.The device was not in use on a patient at the time of event, there was no adverse event reported.
Additional Manufacturer Narrative
Analysis was performed by a philips remote service engineer (rse) who interviewed the customer and assisted with troubleshooting the unit.The rse gave the customer some troubleshooting instructions.The rse suggested pushing the configuration file which corrected the issue with the ecg readings.The rse explained by pushing configuration file of the wireless device, it usually fixes any changes that the end user may have done.It was not confirmed what changes the end user made to cause the issue.Based on the information available in the case and provided by remote service personnel, the cause of the reported problem was confirmed to be a user configuration issue ; however, the specific changes made by the user that led to the issue could not be confirmed.The alleged malfunction was confirmed.If additional information is received, the complaint file will be reopened for further investigation.

• Brand Name: INTELLIVUE MX40 WLAN
• Common Device Name: MONITOR, PHYSIOLOGICAL, PATIENT(WITH ARRHYTHMIA DETECTION OR ALARMS)
• Manufacturer (Section D): PHILIPS MEDICAL SYSTEMS; 3000 minuteman rd; andover MA 01810
• Manufacturer (Section G): PHILIPS MEDICAL SYSTEMS; 3000 minuteman rd; andover MA 01810
• Manufacturer Contact: deborah currlin ; 3000 minuteman rd; andover, MA 01810 ; 6172455900
• MDR Report Key: 25177032
• Report Number: 1218950-2026-100323
• Device Sequence Number: 15998004
• Product Code: MHX
• UDI-Device Identifier: 00884838030350
• UDI-Public: (01)00884838030350
• Combination Product (Y/N): N
• Initial Reporter State: CA
• Initial Reporter Country: US
• PMA/510(K) Number: K113125
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Health Professional,User Facility
• Initial Reporter Occupation: Biomedical Engineer
• Type of Report: Initial
• Report Date (Section B): 05/14/2026

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: MX40 - WLAN
• Device Catalogue Number: 865352
• 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: 04/15/2026
• Initial Report FDA Received Date: 05/14/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 05/18/2022
• 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