GE Corometrics 259CX Series Maternal/Fetal Monitor - Nellcor

The GE Corometrics 259cx is an advanced system used for monitoring the health of both the mother and fetus during pregnancy and childbirth. This unit is designed to provide healthcare professionals with innovative features that ensure a high-quality birthing experience and improved patient care. The GE Corometrics 250 series offers comprehensive monitoring of uterine and fetal activity, including fetal heart rate, as well as enhanced maternal monitoring features such as temperature, oxygen saturation, ECG, and non-invasive blood pressure.

By utilizing the Corometrics 259CX Fetal Monitor, healthcare providers can access detailed information in real-time during labor and delivery, enhancing their ability to provide a positive birthing experience for both the mother and baby. This medical device is equipped with a color LCD display that simultaneously shows fetal and maternal parameters, along with maternal waveforms. On the front of the unit, there is a recorder that prints continuous trends and alphanumeric data on a strip chart.

The GE Corometrics 259CX is compatible with Centricity Perinatal Clinical Information Systems and other information systems, allowing for streamlined capture and archiving of patient data. The 250cx model supports two fetal heart rate (FHR) channels, uterine activity monitoring (TOCO or IUP), maternal non-invasive blood pressure (NIBP), maternal pulse oximetry (MSpO2), fetal ECG (FECG), and maternal ECG (MECG).

The back of the GE fetal monitoring system is equipped with various input and output ports for data and power management. These ports include a Telemetry Connector, Data Entry Connector, Nurse Call System, Central Systems Connector, External VGA Connector, Communication Connectors, ECG Out Connector, Fetal Acoustic Stimulator Connector, Remote Event Marker Connector, and a Power Inlet Module.

Upon powering up the GE Corometrics 259CX Fetal Monitor, the unit automatically performs multiple tests to verify the system's memory, processor, and voltage levels before entering normal operation mode. The pulse oximetry module is also tested and calibrated automatically during power-up or whenever the unit is reset.

FEATURES:

• Maternal Blood Pressure
• Maternal Temperature
• Maternal Oxygen Levels
• <>MECG
• Centricity Perinatal (CPN)
• Telemetry Interface)
• Smart BP
• Backlit keys
• Dimmable display
• 9-crystal ultrasound technology
• One-touch hot keys.
  

SPECIFICATIONS:

• Manufacturer: GE
• Part Number (OEM):
• Category: Fetal Monitors
• SpO2 Technology: Nellcor
• Accessories:
• Functional Condition: Refurbished
• Cosmetic Condition: Good
• Warranty: 90 Days
  
  
• Dimensions:
• Height: 6.7" (17 cm)
• Width: 16.7" (42.4 cm)
• Depth: 17.5" (44.4 cm)
• Weight: 22lbs (10.9 kg)
  
  
• Power:
• Nominal Line Voltage: 100 VAC, 120 VAC, 220 VAC, 230 VAC, 240VAC
• Line Frequency: 50/60Hz
• Power Consumption: 100 W, 100 W, 0.4 A, 0.4 A
• Chassis Leakage: <300 μA
  
  
• Environmental:
• Operating
• Ambient Temperature: 50°F to 104°F (10°C to 40°C)
• Relative Humidity: 10% to 95%, non-condensing
• Atmospheric Pressure: 700–1060 mbar (525–795 mmHg)
• Storage:
• Ambient Temperature: 14°F to 131°F (–10°C to 55°C)
• Relative Humidity:0% to 95%, non-condensing
• Atmospheric Pressure:700–1060 mbar (525–795 mmHg)
  
  
• Recorder Drive:
  
• Speed: 1, 2, and 3 cm/min
• Speed Accuracy: ± 1%
  
  
• FECG:
• Technique: Peak detecting, beat-to-beat cardiotachometer
• Heart Rate Counting Rage: 30-240 bpm
• Heart Rate Resolution: ± 1 bpm
• Artifact Elimination: Selectable, ± 25 bpm artifact rejection
• Countable Input Signal Range: 15 μV to 2 mV peak-to-peak
• Offset Voltage Tolerance (Differential): ± 300 mVdc maximum
• Maximum Common Mode Voltage: 20 V peak-to-peak
• Preamplifier Bandwidth: 1–90 Hz
• Common Mode Rejection:
• Balanced: > 120 dB at mains frequency, with a patient cable
• Unbalanced 5kΩ RA or LA: > 110 dB at mains frequency
• Input Equivalent Noise: < 10 μV peak-to-peak
• Input Impedance:
• Differential: > 10 MΩ
• Common Mode: > 20 MΩ
• Mains Frequency Rejection: > 40 dB
• Leakage Current: < 10 μA at 100-240 VAC, electrically isolated
• Isolation, Mains-to-Patient: > 4 kVAC
  
  
• Ultrasound Mode:
• Technique: Pulsed Doppler with autocorrelation processing
• Transducer Type: 9-crystal
• Pulse Repetition Frequency:
• Single Ultrasound Mode: 4 kHz
• Dual Ultrasound Mode: 2 kHz
• Pulse Duration: 92 μs
• Transmitter Frequency: 1.151 MHz
• Spatial-Peak Temporal Average Intensity: Ispta < 10 mW/cm2
• Spatial-Average Temporal Average Intensity: Isata< 5 mW/cm2
• Focal 20 dB Beam Area: 16.6 cm2 , at a range = 7 cm
• Peak Instantaneous Intensity: 1.8 mW/cm2
• Peak-Negative Acoustic Pressure: p < 10.0 kPa
• Heart Rate Counting Range: 50–210 bpm
• Leakage Current: < 100 μA at 100-240 VAC, isolated by the transducer
  
  
• Uterine Activity Mode:
• Toco transducer
• Range (typical): 0–100 mmHg (0–13.3 kPa)
• Resolution: 1 mmHg (0.13 kPa)
• Bandwidth: dc to 0.5 Hz
• Excitation Voltage:
• Zero Set Temperature Drift: < 0.1 mmHg/°C (0.013 kPa/°C), excluding transducer
• Leakage Current: < 100 μA at 100-240 VAC, electrically isolated
• MECG:
• Technique: Peak detecting, beat-to-beat cardiotachometer
• Maternal ECG Electrode Type: Medtronic 1700-003 or equivalent
• Leads Available: I, II, and III
• Heart Rate Counting Range: 30–240 bpm
• Heart Rate Resolution: ± 1 bpm
• Heart Rate Update Rate: > 1 update per second
• Countable Input Signal Range: 0.5 mV to 5 mV peak-to-peak
• Baseline Drift: < 0.5 mV RTI
• Tall T-wave Rejection: 0.8 x QRS amplitude
• Heart Rate Meter Response Time:
• 80–120 bpm Step Increase: < 2 seconds
• 80–40 bpm Step Decrease: < 3 seconds
• Alarm Time for Tachycardia 80–200 bpm: < 10 seconds (high alarm limit at 100 bpm)
• Offset Voltage Tolerance (Differential): ± 300 mVdc maximum
• Maximum Common Mode Voltage: 20 V peak-to-peak
• Preamplifier Bandwidth: 0.6 to 40 Hz
• Common Mode Rejection:
• Balanced: > 80 dB at mains frequency, with a patient cable
• Unbalanced 5K RA or LA: > 50 dB at mains frequency
• Input Equivalent Noise: Input Impedance: < 30 μV peak-to-peak
• Differential: > 2.5 MΩ
• Common Mode: > 10 MΩ
• Mains Frequency Rejection: > 40 dB
• Mains Frequency Rejection: > 40 dB
• Leakage Current: < 10 μA at 100-240 VAC, with cable, electrically isolated
• Isolation, Mains-to-Patient: > 4 kVAC
• Leads Off Detection: dc current < 0.1 μA
  
  
• Alarms:
• Audio: Alternating 1.5-second chimes
• Visual: Flashing heart rate numeric or message
• Limits: User-selectable high and low maternal heart rate
• Technical: Leads of
• Tachycardia Response Time: < 8 seconds
  
  
• Maternal Blood Pressure Mode:
• Technique: Oscillometric w/DINAMAP; SuperSTAT algorithm
• Blood Pressure Range: Systolic 30-290 mmHg, Diastolic 10-220 mmHg, Mean arterial pressure 20-260 mmHg
• Pulse Rate Range: 30-200 BPM
• Blood Pressure Accuracy: ±5 mmHg with a standard deviation no greater than 8 mmHg
• Pulse Rate Accuracy: ±2 BPM or ±2% (whichever is greater)
• Cuff Inflation: Initial inflation to 135 mmHg; user-selectable from 100 to 250 mmHg. Subsequent inflation is approximately 10 mmHg greater than the previous systolic pressure.
• Cuff Deflation: Automatic
• Safety Features: Automatic cuff deflation if the pressure exceeds 315 mmHg or max. measurement time exceeded (AAMI SP10 limit of 180 sec; set to 120 sec). The safety timer detects microprocessor failure. Auto mode minimum 30-second delay from the end of one determination to the beginning of another to allow for a venous return, indicated by WAIT on the user interface in lieu of auto mode timer.
• Display/Record: Systolic, diastolic, mean pressure, and pulse rate

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