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The Corometrics 118 Fetal Monitor is a twin capable unit that includes one toco and two ultrasound transducers, fetal EKG, event marker and a chart recorder. Data storage and transmission Integrated Maternal Pulse Oximetry NIBP. Extends upon the advanced technology of the Model 116 with integrated maternal pulse oximetry and/or noninvasive blood pressure monitoring.
Features
Easy operation
Intuitive controls and menus
Simplified operation of all functions
Controls are tailored for labor and delivery to make operation user friendly
Visual/Audible Maternal Alarms
The unit provides visual and audible alarms when maternal SpO2, NIBP or pulse rate values exceed user-defined high/low limits
Audible alarms can be disabled
Individual audio/visual alarms can be temporarily canceled
SPECIFICATIONS
Physical Weight & Dimensions
Height: 7 inches (17.8 cm)
Width: 16.5 inches (41.9 cm)
Depth: 17 inches (43.2 cm)
Weight: Approx. 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 impendence: differential mode > 10 M?, common mode > 20 M?.
Main frequency rejection: >40 dB.
Leakage current: < 10 µA at 120 VAC.
Isolation mains to patient connection: >2kV.
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, 2 kHz in dual ultrasound mode.
Pulse duration: 92µs.
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; international: chart width 8 cm, scaling 20 BPM/cm, range 50-210 BPM, resolution 1 BPM
