MAUDE Adverse Event Report: PHILIPS MEDIZIN SYSTEME BÖBLINGEN GMBH INTELLIVUE MX400 PATIENT MONITOR; MONITOR, PHYSIOLOGICAL, PATIENT(WITH ARRHYTHMIA DETECTION OR ALARMS)

Model Number	INTELLIVUE PATIENT MONITOR MX400
Medical Device Problem Code	Incorrect Measurement (1383)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	02/05/2026
Type of Reportable Event	Malfunction
Event or Problem Description
Philips received a complaint on an intellivue mx400 patient monitor indicating the blood pressure readings on the monitors do not match manual measurements.It is unknown if the device was in use at time of event, and there was no adverse event reported.
Additional Manufacturer Narrative
Philips received a complaint on an intellivue mx400 patient monitor indicating the blood pressure readings on the monitors do not match manual measurements.It is unknown if the device was in use at time of event, and there was no adverse event reported.
Additional Manufacturer Narrative
Analysis was unable to be performed due to lack of response from the customer.The product malfunction was unable to be confirmed because the customer did not respond to requests for additional information.A review of the service history for this device shows the problem has not been reported again for this device.Based on the information available and results of additional analysis, no further action is necessary at this time.If additional information is received, the complaint file will be reopened for further investigation.

• Brand Name: INTELLIVUE MX400 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: 24333082
• Report Number: 9610816-2026-100296
• Device Sequence Number: 9754810
• Product Code: MHX
• UDI-Device Identifier: 00884838038752
• UDI-Public: (01)00884838038752
• Combination Product (Y/N): N
• Initial Reporter Country: GM
• PMA/510(K) Number: K130849
• 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: Nurse
• Type of Report: Initial,Followup,Followup
• Report Date (Section B): 07/20/2026

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: INTELLIVUE PATIENT MONITOR MX400
• Device Catalogue Number: 866060
• 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: 02/05/2026
• Supplement Date Received by Manufacturer: 04/27/2026; 07/10/2026
• Initial Report FDA Received Date: 02/13/2026
• Supplement Report FDA Received Date: 05/11/2026; 07/20/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 01/16/2020
• 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