MAUDE Adverse Event Report: Philips Medizin Systeme Böblingen GmbH IntelliVue MX550 Patient Monitor; Monitor, Physiological, Patient(With Arrhythmia Detection Or Alarms)

Model Number	IntelliVue Patient Monitor MX550
Medical Device Problem Code	Imprecise or Erratic Results (4059)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	08/24/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
E1: reporting institution (b)(6) a philips field service engineer (fse) evaluated the device and could not replicate the reported issue.The fse performed accuracy, leakage, and pressure tests using a manual pressure gauge, as well as calibration and accuracy testing per the service manual.All test results were within specified limits, and the system was found to be functioning properly.The device met specifications for the performed service and was returned to use.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.
Event or Problem Description
Philips received a complaint on the intellivue mx550 patient monitor indicating there a variation with the nibp.The device was in use at the time of the event.No adverse event occurred.

• Brand Name: IntelliVue MX550 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 ; +49(703)14632031
• MDR Report Key: 50790179
• Report Number: 9610816-2026-101922
• Device Sequence Number: 9415458
• Product Code: MHX
• UDI-Device Identifier: 00884838038783
• UDI-Public: (01)00884838038783
• Combination Product (Y/N): N
• Initial Reporter Country: IN
• 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
• Report Date (Section B): 09/16/2026

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 MX550
• Device Catalogue Number: 866066
• Was Device Available for Evaluation?: Yes
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 08/24/2026
• Initial Report FDA Received Date: 09/16/2026
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 11/14/2025
• 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