Corometrics 116 Fetal Monitor

The Corometrics 116 is a twin capable unit and comes with the following features:

• One Toco
• Two ultrasound transducers
• Event marker
• Fetal EKG
• Printer

FEATURES

• Toco, Ultrasound Transducer and ECG
• Provides simultaneous, noninvasive monitoring of twins as well as internal/eternal monitoring and maternal ECG
• Data storage and transmission

SPECIFICATIONS

Physical Characteristics

• Height: 7 inches (17.8 cm)
• Width: 16.5 inches (41.9 cm)
• Depth: 17 inches (43.2 cm)
• Weight: Approximately 34 lbs (15.5 kg)

Power Requirements

• Voltage: 100/120/220/240 VAC selectable
• Frequency: 50/60 Hz
• Power Consumption: 100 Watts max

Direct ECG

• Technique: Peak detecting beat-to-beat cardiotachometer.
• Heart Rate Counting Range: 30-240 BPM
• Heart Rate Resolution: ± 1 BPM
• Artifact Elimination: Switch selectable ± 25 BPM artifact rejection
• Input Signal Range Differential:
  - 15 µV to 2 mV peak-to-peak (fetal)
  - 100 µV to 2 mV peak-to-peak (maternal)
• Common Mode: 20 VDC (max)
• Preamplifier Bandwidth: 1.0 Hz to 100 Hz
• Common Mode Rejection: >120 dB balance
• With Patient Cable: 110 dB 5k RA or LA unbalance
• Input Equivalent Noise: >10 µV peak-to-peak
• Input Impedence:
  - Differential mode: >10 MΩ
  - Common Mode: >20 MΩ
• Main Frequency Rejection: >40 dB
• Leakage Current: >10 µA at 120 VAC
• Isolation Mains to Patient Connection: >2 kV
• Leg Plate Tester: Simulated r-wave at 120 ± 1 BPM

Ultrasound

• Technique: Pulsed doppler with autocorrelation processing
• Pulse Repetition Frequency:
  - 4kHz in single ultrasound mode
  - 2kHz in dual ultrasound mode
• Pulse Duration: 92 µs
• Center Frequency: 1.151 MHz
• Intensity: < 10 mW/cm²
• Heart Rate Counting Range: 50-210 BPM
• Leakage Current: < 10 µA at 120 VAC

Pressure

• Range: 0-100 mmHg
• Tocotransducer: 0-100 relative units (0-120 grams)
• Excitation Voltage: +4.0 VDC
• Resolution: 1 mmHg
• Bandwidth:
  - Tocotransducer DC to 0.5 Hz
  - Strain gauge DC to 3 Hz
• Zero Temperature Drift: <0.1 mmHg/C° (electronics only
• Leakage Current: < 10 µA at 120 VAC (transducer isolated)

Recorder

• Uterine Activity:
  - Chart Width: 4 cm
  - Scaling: 25 mmHg/cm (3.33 kPa/cm)
  - Range: 0-100 mmHg
  - Resolution: 1 mmHg
• Chart Drive:
  - Speeds: 1, 2 and 3 cm/min - Accuracy: ± 1%
• Heart Rate Scale - Domestic:
  - Chart Width: 7 cm
  - Scaling: 30 BPM/cm
  - Range: 30-240 BPM
  - Resolution: 1 BPM
• Heart Rate Scale - International:
  - Chart Width: 8 cm
  - Scaling: 20 BPM/cm
  - Range: 50-210 BPM
  - Resolution: 1 BPM