Philips HP 50XM M1360b Fetal Monitor

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Philips HP 50XM Features

The Philips Series 50 XM Fetal/Maternal monitor is designed for suitably trained healthcare professionals for use in the patient environment to monitor fetal and maternal condition prior to and during labor and delivery.

Fully integrated fetal and maternal monitoring system
For use with high risk patients or patients receiving anesthesia during labor and delivery
Power Requirements: Operating Voltage 100 - 120 V (± 10%), 220 - 240 V (±10%), Line Frequency 50 to 60 Hz, Power Consumption 60 VA max
Dimensions and Weight without transducers

Height 147 mm (5.8in)
Width 422mm (16.6in)
Depth 392mm (15.4in)
Weight 14.6kg (31.96lb)

Philips HP 50XM Specifications

Fetal Dispay

Maternal Non-invasive Blood Pressure
Heart Rate Range US 50 to 240 bpm, DECG 30 to 240 bpm, MHR 30 to 240 bpm (not displayed)
External Toco Range 0 to +127 relative units
IUP Range -99 to +127 mmHg
Fetal SpO2 Range 0 - 99%
Pressure Transducer Accuracy 15°C to 25°C ±3 mmHg, 10°C to 35°C ±3 mmHg (±0.6% of reading), 0°C to 55°C ±3 mmHg (±1.7% of reading)
Measurement Ranges Systolic 30 to 270 mmHg Diastolic 10 to 245 mmHg
Cuff Inflation Rate Typically less than 10 seconds
Auto Mode Repetition Time 2, 5, 10, 15, 30, 60 minutes
Stat Mode Duration 5 minutes Maternal Non-invasive Blood Pressure
Cycle Time (Typical at HR over 60 bpm) Auto/manual 35 seconds, Stat 17 seconds, Maximum 120 seconds
Limit Alarms Adjustment 5mmHg steps, Diastolic 10 to 245mmHg, Systolic 30 to 270mmHg, Overpressure Safety Limit 300 mmHg for more than 2 seconds
Pulse Rate Range Measurable within heart rate range of 30 to 240 bpm, averaged during NIBP measurement
Maternal Pulse Oximetry Maternal ECG and Heart Rate Percentage Range 0 to 100%
BPM Range 30 to 300 bpm
Accuracy ± 1%
Resolution 1 bpm
Pulse Rate Limit Alarms Range 70% - 90%, Adjustment 1% steps
Accuracy at 1 standard deviation M1191A 70 to 100% ± 2.5%, M1192A 70 to 100% ± 2.5%, M1194A 70 to 100% ± 4%, Nellcor sensors 80 to 100% ± 3%
Heart rate Measurement Range 30 to 240 bpm, Accuracy ±1 bpm, Resolution Recorder: 0.25 bpm, Display: 1 bpm
Heart rate Alarm Limits (excluding NIBP) Range 30 to 250 bpm, Adjustment 5 bpm steps
Maternal Display Section Numerical Display Two heart rate displays (orange) and one uterine activity display (green). Type: (10mm) 7 segment LEDs

Maternal Dispay

Systolic measurement
Diastolic measurement
SpO2 level
Maternal heart rate (if derived from MECG), pulse rate (if derived from pulse oximetry) or average pulse rate (if derived from NIBP)
Alarm status for each parameter (except NIBP pulse rate)
Warning message (if any)

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General Information About Fetal Monitors

Fetal Monitoring

Fetal monitoring is extensively used in birthing facilities for measuring fetal well being and assessing labor progress. Electronic Fetal Monitors are used to detect and trace the fetal heart rate and uterine contractions. These are usually monitored at the same time however, each one can be obtained separately.

Terminology used for Fetal Monitors

Ultrasound(U/S Transducer): A transducer is placed on the abdomen to direct an ultrasonic beam towards the fetal heart and to sense Doppler shifted echoes created by moving cardiac structures.
Uterine Activity(Toco or U/A Transducer): Uterine contractions are recorded from a pressure-sensitive device that is placed on the abdomen and held by a lightweight stretchable band or belt.

Different features in Fetal Monitors

Monitoring Modes:
- Antepartum: occurring or existing before birth; "the prenatal period”.
- Intrapartum: Occurring during labor and delivery.

Philips HP 50XM M1360b Fetal Monitor