Class IIGMDN 35164
Philips IntelliVue MX450 Patient Monitor
Philips Healthcare · Model MX450
Compact multi-measurement vital signs monitor with touchscreen, part of the IntelliVue family, supports ECG, SpO2, NIBP, temperature, and more.
Intended use: Continuous monitoring of adult/pediatric/neonatal vital signs in hospital environments.
Key tips
- ·A no-signal/flatline alarm gets checked on the patient first, not the monitor - rule out a real clinical event before troubleshooting.
- ·Recalibrate NIBP against a reference manometer, not just a self-test pass.
- ·Reused patient cables (SpO2, ECG leads) are a common source of intermittent-fault complaints - swap the cable before the module.
Typical Failure Modes
Failure patterns typical of this equipment class - general BMET reference, not verified against this exact unit's own service history unless flagged. Severity is a category-level estimate.
SpO2 module intermittent readings
MediumSymptoms: '--' SpO2, frequent low-signal alarms
Root cause: Worn connector pins or damaged extension cable
NIBP hose/cuff leaks
LowSymptoms: NIBP measurement failures, over-pressure errors
Root cause: Cracked tubing, worn cuff bladder
ECG artifact from broken lead wires
HighSymptoms: Noisy ECG trace, false asystole alarms
Root cause: Fatigued shielded leadwires / dried electrodes
Battery no longer holding charge
LowSymptoms: Runtime < 30 min, battery warning icon
Root cause: Li-ion aging past ~500 cycles
Serviceable Parts & Consumables
The parts a BMET typically services on this class of equipment. Service class and relative cost are general engineering estimates for the category, not figures from this unit's documentation. Part numbers appear only when pulled from this unit's own service manual. Always confirm intervals and pricing against the manufacturer.
Rechargeable Li-ion battery pack
Class Periodic replacementRel. cost $150–$300R&R Easy
NIBP hose assembly
Class Periodic replacementRel. cost $60–$120R&R Easy
SpO2 extension cable
Class Frequent wear itemRel. cost $80–$160R&R Easy
ECG trunk cable (5-lead)
Class Frequent wear itemRel. cost $90–$200R&R Easy
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Rechargeable Li-ion battery pack | Periodic replacement | $150–$300 | Easy |
| NIBP hose assembly | Periodic replacement | $60–$120 | Easy |
| SpO2 extension cable | Frequent wear item | $80–$160 | Easy |
| ECG trunk cable (5-lead) | Frequent wear item | $90–$200 | Easy |
Relative cost: $ lowest · $$$$ highest service-part cost for this equipment class. Not a price.
PM Checklist
Preventive-maintenance tasks typical of this equipment class. Perform to the manufacturer's procedure and your facility's policy - this is general reference, not a schedule for this specific unit.
- ·Routine cable and lead-wire inspection for fraying/wear
- ·Battery conditioning cycle
- ·NIBP calibration check against a reference manometer
- ·ECG / SpO2 accuracy verification against a patient simulator
- ·Annual electrical safety test
Troubleshooting Approach
A structured starting point derived from the failure modes above. Follow the manufacturer's service documentation for the actual procedure.
Symptom: Monitor reports false low SpO2 alarms only on movement
- Confirm probe placement and perfusion at site.
- Swap to a different SpO2 technology probe (adhesive vs clip).
- Enable motion-tolerant FastSat mode in settings.
- Test probe on simulator/perfusion tester; log results.
- If simulator passes, issue is clinical application, not hardware.
Technical Specs
- Measurements
- ECG (3/5/12-lead), SpO2, NIBP, respiration, dual temp, IBP
- Display
- 12.1-inch touchscreen
- SpO2 tech
- FastSat motion tolerant algorithm
- Connectivity
- IntelliVue wired/wireless network
- Battery
- Lithium-ion, up to 4 h typical
Typical Location
Where this class of equipment is typically deployed - general reference, not this unit's own placement record.
- ICU / CCU
- Emergency Department
- OR / PACU
- General med-surg floors
- Step-down units
- Telemetry units
Documents & Manuals
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