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Maternal/ Fetal Monitor Product Detail
Model: 120 Series
Comprehensive maternal/fetal monitoring
Every pregnancy is unique. So…the monitor you choose needs to
help you manage the total pregnancy – from antepartum monitoring
through labor, delivery and recovery. The compact and easy-to-use
Corometrics 120 Series is a comprehensive maternal/fetal monitor,
giving you the ability to address every monitoring need for both the
mother and the foetus. You can begin by using the external
monitoring modes and add non-invasive BP, FECG, IUP, maternal
and/or fetal pulse oximetry, as the patient’s needs change, without
switching to another monitor or external device.
Corometrics 120 Series sets new standards for
maternal/fetal care
-
Our unique Spectra Alerts™ transforms the powerful 120 Series
into a “Smart” monitor, complete with alert functions. This
feature analyzes the fetal heart rate (FHR) and uterine activity
(UA) patterns, as well as trend characteristics of variability,
baseline, decelerations, and signal quality to assist the clinicians
in evaluating the fetal strip.
- Smart BP™, a patented feature that works in conjunction with
DINAMAP® non-invasive blood pressure technology, automatically
delays a blood pressure measurement while a contraction is in
progress thus assuring more clinically significant assessment and
documentation of the maternal status.
- 3-Level-Heart Beat Coincidence (HBC) alerts the care provider
with both visual and recorded messages when there is a possibility
that you may be recording the same heart rate with two modes
of monitoring. The monitor compares up to three heart rates
and provides additional information for fetal assessment.
- Fetal Pulse Oximetry (FSpO2) is an optional parameter that
provides a real-time oxygen status of the fetus. In combination
with other fetal parameters, FSpO2 helps in the early detection of
fetal hypoxia and provides additional information in the presence
of non-reassuring fetal heart rate patterns.
- Integrated Masimo SET or Nellcor Maternal SpO2 make it easy for
the clinician to monitor, document or even view the waveform.
Patient Monitoring
Specification Sheet
Other Features:
- Maternal ECG SpO2 real-time 3-lead adult QRS waveform display and a snapshot printout.
- Vital Signs History at a glance. Documents 8 hours of maternal parameters in flowchart summary format…
a time-saver during recovery.
- Software upgrade, via PC or laptop computer, allows easy flash reprogramming as new features become available.
- Expandability built in. System architecture allows for the addition of future parameters without purchasing a new unit.
- High/Low Fetal Alarms notify clinicians if the fetal heart rate is out of the user-configurable range.
- Selectable Font Size on the recording strip allows the font size to be adjusted quickly and easily
(small, medium or large) for optimum viewing efficiency.
- Song Player serenades both mother and child to celebrate the new arrival. Three popular tunes are
available with the turn of the Trim Knob®.
- Our ChartLight allows the clinician to easily read the fetal strip, while patients remain relaxed in their low light setting.
Performance Specifications
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; Intensity: < 5 mW/cm2 (Isata);
- Heart Rate Counting Range: 50-210 BPM;
- Leakage Current: < 10 µA at 120-240 VAC, isolated by transducer
FECG Mode
- 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;
- 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: 1-100 Hz;
- Common Mode Rejection:
- Balanced: > 120 dB at mains frequency, with patient cable; Unbalanced: 5 kΩ 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: < 60 µA @ 254 VAC, electrically isolated;
- Isolation, Mains-to-Patient: > 4 kVAC; Leg Plate Tester Jack: Simulated R-Wave at 120 ± 1 BPM
Fetal Alarms (for ultrasound or FECG modes)
- Audio: Alternating 1.5 second chimes (773 Hz and 523 Hz); Visual: Flashing heart rate numeric;
- Limits: User-Selectable high and low fetal heart rate; Technical: Signal Quality;
- Tachycardia Response Time: 5 minutes at 100 % limit violation;
- Bradycardia Response Time: 30 seconds at 100 % limit violation;
- Signal Quality Response Time:
- 100 % Signal Loss: 1.25 minutes; 70 % Signal Loss: 5 minutes; 65 % Signal Loss: 10 minutes
Uterine Activity Mode
- Range: IUPC: 0-100 mmHg, Tocotransducer: 0-100 relative units;
- Resolution: IUPC: 1 mmHg, Tocotransducer: 1 relative units;
- Bandwidth: IUPC: dc to 0.5 Hz, Tocotransducer: dc to 0.5 Hz;
- Excitation Voltage: IUPC: + 4.0 Vdc;
- Zero Set Temperature Drift: Strain Gouge: < 0.1 mmHg/°C (0.013 kPa/°C), excluding transducer
- Leakage Current: Strain Gauge: < 60 µA at 254 VAC, electrically isolated
Fetal Pulse Oximetry Mode
- Technique: Spectrophotometry and plethysmography
- Sensor Type: Nellcor OxiFirst Foetal Oxygen Sensor (Series FS14C) only
- Saturation Range: 10 – 100%
- Saturation Accuracy: Reproducibility is one standard deviation = 4.7%. Nominally, 67 of the measurements
across the population will be within ± standard deviation
- Wavelengths: Red: 735 µM, nominal; Infrared: 890 µM, nominal
- Response Time: User-selectable: slow and fast averaging modes
- Transmitter Frequency: 1.151 mHz
- Spatial-Peak Temporal Average Intensity: Ispta < 10 mQ/cm2
Maternal Blood Pressure Mode with Smart Technology
Technique: Oscillometric; Blood Pressure Range: 20-255 mmHg (2.7-34.0 kPa);
Pulse Rate Range: 40-240 BPM;
Blood Pressure Accuracy: ± 5 mmHg (0.7 kPa) with a standard deviation no greater than 8 mmHg (1.1 kPa);
Pulse Rate Accuracy: ± 2 BPM or ± 2 % (whichever is greater);
Cuff Inflation: Initial inflation to 160 mmHg (21.3 kPa). Subsequent inflation approximately 30 mmHg (4.0 kPa)
greater than the previous systolic pressure.
Cuff Deflation: Automatic;
Safety Features: Automatic cuff deflation if: cuff pressure exceeds 280 mmHg (37.3 kPa); maximum
measurement time exceeded (not to exceed AAMI SP 10 limit of 180 s); or 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 venous return.;
Display/Record: Systolic, diastolic, and mean pressure; pulse rate;
Alarms (audible and visual): Audio: Alternating 1.5 seconds chimes (773 Hz and 523 Hz);
Visual: Flashing numeric or message;
Limits: User-selectable high and low systolic, diastolic, and mean pressures, user-selectable high and low pulse rate.
Technical: Cuff/hose errors, connection errors, insufficient signal, excessive inflation/motion or determination
times, overpressure, communication problem, or self-test failure.
The blood pressure module complies with the American National Standard for Electronic or Automated
Sphygmomanometers (AAMI/ANSI SP 10-1992).
Maternal Pulse Oximetry Mode Nellcor
- Sensor Type: Nellcor adult finger sensors DS 100-A (reusable) or Max-A (disposable);
- Saturation Range: 0-100 %;
- Pulse Rate Range: 30-250 BPM;
- Saturation Accuracy: % SpO2 ± 1 standard deviation*: (w/Nellcor Puritan Bennett™ D-25 Sensor)
70-100 % ± 2 digits; 50-69 % ± 3 digits; 0-49 % (unspecified);
- Pulse Rate Accuracy: ± 3 BPM;
- Alarms (audible and visual): Audio: Alternating 1.5 seconds chimes
- Visual: Flashing % SpO2 numeric or message;
- Limits: User-selectable high and low SpO2 and high and low pulse rate.;
- Technical: Sensor errors, connection errors, insufficient signal, excessive motion, communication problem,
internal calibration error, or self-test failure.
Maternal Pulse Oximetry Mode Masimo
- Sensor Type: Masimo Oximetry Sensors for SpO2 measurements (LNOP recommended)
- Saturation Range: 1-100%
- Saturation Accuracy: 70-100% ± 2 digits; 0-69% (unspecified)
- Pulse Rate Range: 25-240 BPM
- Pulse Rate Accuracy: ± 3 digits (no motion); ±5 digits (motion)
- Alarms: Audio: Alternating 1,5 second chimes; Visual: Flashing % SpO2 numeric or message
- Limits: User-selectable high and low SpO2 and high and low pulse rate
- Technical: Sensor errors, connection errors, insufficient signal, excessive motion, communication problem,
internal calibration error, or self-test failure
MEGG Mode
- 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 Averaging: 1 second average;
- Countable Input Signal Range: < 0.5 mV to 5 mV peak-to-peak;
- Tall T-wave Rejection: > 0.8 x QRS amplitude; Offset Voltage Tolerance (Differential): ± 300 mVdc maximum;
- Maximum Common Mode Voltage: 30 V peak-to-peak; Preamplifier Bandwidth: 0.6 to 40 Hz;
- Common Mode Rejection: Balanced: > 80 dB at mains frequency, with patient cable;
- Unbalanced: 5 K RA or LA: > 50 dB at mains frequency;
- Input Equivalent Noise: < 30 µV peak-to-peak;
- Input Impedance: Differential: > 2.5 MΩ, Common Mode: > 10 MΩ;
- Mains Frequency Rejection: > 40 dB;
- Leakage Current: < 60 µA at 254 VAC, with cable, electrically isolated;
- Isolation, Mains-to-Patient: > 4 kVAC; Leads Off Detection: dc current < 0.1 µA
- Alarms: Audio: Alternating 1.5 seconds chimes; Visual: Flashing heart rate numeric or message;
- Limits: User selectable high and low maternal heart rate;
- Technical: Leads off;
- Tachycardia Response Time: < 8 seconds;
- Pacemaker Detection/Rejection: Input Voltage Range: ± 2.5 mV to ± 700 mV; Input Pulse Width: 0.1 to 2 ms;
- Pulse Rise/Fall Time: < 10 % of pulse width; not greater than 100 µs;
Over-, Under-shoot: 2 mV
- Baseline Drift: < 0.5 V with a ± 700 mV, 2 ms
pacemaker pulse applied. Excessive over shoot time of pacemaker pulse may cause false QRS detection.
- Maternal Vital Signs History: Storage/Recall (8 hrs maximum)
Physical Specifications
-
Height x Width x Depth: 17,0 x 41,9 x 43,9 cm; Weight: 10,9 kg approx.
Strip Chart Recorder
- Heart Rate Scale: US-Format or International
- Chart Width: 7 cm 8 cm
- Scaling: 30 BPM/cm 20 BPM/cm
- Range: 30-240 BPM 50-120 BPM
- Resolution: 1 BPM 1 BPM
- Uterine Activity Scale IUPC Tocotransducer
- Chart Width: 4 cm 4 cm
- Scaling: 25 mmHg/cm 25 relatives units/cm
- Range: 0-100 mmHg 0-100 relative units
- Resolution: 1 mmHg 1 relative unit
- Pulse Oximetry
- SpO2 Scale US-Format International
- Chart Width: 4 cm 4 cm
- Scaling: 10 %/cm or 25 %/cm 2.5 %/cm or 25 %/cm
Resolution: 1 % 1 %
- Recorder Drive: Speeds: 1, 2, and 3 cm/min; Speed Accuracy: ± 1 %
Power Requirements
- Line Voltage: 100, 120, 220, 230, 240 VAC; Line Frequency: 50/60 Hz; Power Consumption: 100 VA/0.4 A Maximum
Physical Characters
- Height x Width x Depth: 17 cm x 41.9 cm x 43.9 cm; Weight: approx. 10.9 kg
Environmental Characteristics
- Monitor:
- Ambient Temperature: Operating: 10 °C to 40 °C, Storage: -10 °C to 55 °C
- Relative Humidity: Operating: 10 % to 95 %, non-condensing, Storage: 0 % to 95 %, non condensing
- Atmospheric Pressure: Operating: 700-1060 mbar (525-795 mmHg), Storage: 700-1060 mbar (525-795 mmHg)
- Strip Chart Paper**:
- Ambient Temperature: Operating: 10 °C to 40 °C, Storage: < 26.5 °C
- Relative Humidity: Operating: 30 % to 70 %, non-condensing, Storage: 45 % to 65 %, non-condensing
- Atmospheric Pressure: Operating: 700-1060 mbar (525-795 mmHg), Storage: 700-1060 mbar (525-795 mmHg)
Certification
- ANSI/AAMI EC 13-1992:
- Complies with all areas except those listed below:
- 3.1.3.1e: Heart Rate Meter Accuracy and Response to Irregular Rhythm (not tested)
- 3.2.6.1: Range of CRS wave amplitude and duration
- 3.2.8.1: Lower Alarm Limit (The lowest alarm limit on the 120 Series is 35 BPM.)
- AAMI/ANSI Sp 10-1992: The blood pressure module complies with the American National Standard for
- Electronic or Automated Sphygmomanometers (AAMI/ANSI SP10-1992).
- UL-260-1: Designed to meet UL-2601-1 Medical electrical equipment classified by Underwriter’s Laboratories, Inc.,
with respect to fire, shock and mechanical hazards in accordance with UL-2601-1
- CE: CE marking indicating compliance with the Medical Device Directive 93/42/EEC
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