Comen C22 Maternal Cardoitocograph – CTG

$4,950 + GST

Base Config:

Main unit with 12.1 Touchscreen
FHR1 probe
TOCO probe
Event Marker
Maternal Monitoring with adult accy Set (NIBP/SpO2/5-Lead ECG/Temp)
Built-in Printer

Please allow 3-5 weeks for delivery

SKU COM-C21-1 Categories ,


Comen C22 Maternal Cardoitocograph – CTG

The Comen C21 cardiotocograph features advanced technology for real-time fetal heart rate recognition and measurement. Its key features include:

  1. Color Touch Screen: The 12.1″ LED-backlit color touch screen is user-friendly and can tilt up to 90 degrees for flexible examination.
  2. Automatic Head Recognition: The monitor can automatically recognize and adjust for different fetal head positions.
  3. Waterproof Heads: The included fetal monitoring heads are waterproof.
  4. Built-in Thermal Printer: The monitor has a built-in thermal printer (150 mm) for convenient printing of reports.
  5. CTG Waveform Storage: It can store and monitor the CTG waveform of the fetus for up to 60 hours, with automatic storage in case of power failure.
  6. 1-KLOK Technology: This feature detects changes in physiological parameters and notifies staff with indicator lights and alarms.
  7. Sliding Screen Technology: Facilitates easy switching between interfaces.
  8. Customizable Interface Layout: Users can arrange the interface to their preference.
  9. Smart Interference Signal Recognition: Ensures accurate fetal heart rate detection.
  10. Simultaneous Printing: Prints heart rates of both mother and fetus.
  11. External Printer Support: Connects to an external printer via USB.
  12. Intelligent Alarm System: Automatically determines alarm levels based on physiological changes.

Comen C22 Maternal Cardoitocograph – CTG Specifications

Standard Configuration:
FHR1, TOCO, FM, Recorder

Optional Configuration:
Maternal Monitoring (C22) Fetal Stimulator, FHR2, Trolley

Safety Standards:
ISO 13485:2003 approved, CE marking according to MDD93/42/EEC


Physical Characteristics
Product Size: 340mm*270mm*95mm
Net Weight: 5.5kg

Operation Environment
Working: Temperature: 0-40°C / Humidity: 15%-80%
Power Supply: 100-240V~, 50/60Hz±1Hz
Battery Type: Rechargeable & Lithium-ion battery
Battery Capacity: 4400mAh

Battery Recharging
Time: Maximum 5.5 hours for charging;
Battery backup: 4 hours for continuous working
Display: 12.1” color TFT touch screen
Resolution: 800*600
Trace: 6 Waveforms (Max)

Two Alarm indicators
Power indicator
Battery indicator
QRS beep and alarm sound & FHR Sound

Operating key sound
Parameter cable interface
AC power input socket
Two USB port

Data storage
RJ45 port
Alarm Event Review: 300 groups
Full Disclosure 120 mins Waveform Review:
Trend Graph: 120 hours
Trend Table: 120 hours

Freeze Review:
240s waveform review (Maternal); 60 hours waveform review (Fetal)

Power-off storage: Yes

Alarm: User-adjustable High and Low 3-level Limits;
Prioritized audible and visual alarm

Network: Connected to Central Monitoring System by hardwire/wireless

Type: Built-in; thermal array
Channel: 6 channel waveforms
Mode: Fast, real time
Speed: 1/2/3cm/min selectable, 25mm/s(review)
Record width: 150mm

Technique: Ultrasound Pulse Doppler
Pulse Repetition
Rate: 1.32KHz
Frequency: 1.0MHz ±1%

FHR Measurement:
Range: 30bpm ~ 250bpm
Resolution: 1bpm
Accuracy: ±1 bpm

Alarm Measurement
Range: 31bpm ~ 249bpAlarm time: ≤30s
Alarm Accuracy: ±1 bp
Iob: <5mW/cm2

TOCO Range: 0-100%
Resolution: 1%
Zero Mode Auto/Manual
Non-linear error: ±8%

Auto Fetal Movement (AFM)
Technique: Ultrasound Pulse Doppler

Mark Mode: Auto/Manual fetal movement mark

Method: RA-LL Impedance Method

RR measurement
range: Adult: 6-120rpm
Pediatric/Neonate:6-150rpm Accuracy: 7~150rpm, ±1rpm or 1%, whichever is greater;
0-6rpm unspecified
Resolution: ±1 rpm
RESP Apnea 10s-60s
Alarm: Audible and visual alarm; alarm events reviewable
Sweep Speed: 6.25,12.5,25mm/s
Gain Selection: X0.25, X0.5, X1, X2,

Lead Type: CardioTecTM3-leads ECG Analysis, 5-Lead and 12-leads selectable
Lead selection 12-Lead I; II; III; aVR; aVL; aVF; V1-V6.
5-lead: I; II; III; aVR; aVL;aVF; V
3-lead: I; II; III
Gain Selection X0.25, X0.5, X1, X2, Auto
Sweep Speed: 6.25,12.5, 25, 50mm/s
Heart Rate Range: Adult: 15-300bpm
Resolution: 1 bpm
Protection: Withstand 4000VAC/50Hz voltage in isolation;
Against electrosurgical interference and defibrillation;
Accuracy: ±1% or ±1bpm (whichever is greater)
Bandwidth: MON Mode:0.5 Hz~40 Hz


OPE Mode:1 Hz~20 Hz
Method Automatic Oscillometric
Work mode: Manual / Automatic/Continuous
Measurement time: Adjustable(1-480min)

measurement time Adu/Ped: 120s; Neo: 85s
Measurement Unit: mmHg / kPa selectable
Measurement types: Systolic, Diastolic, Mean

Range of systolic
pressure: Adult Mode:40-270mmHg
Pediatric Mode:40-200mmHg

Range of diastolic
pressure: Adult Mode:10-215mmHg
Pediatric Mode:10-150mmHg

Range of mean
pressure: Adult Mode:20-235mmHg
Pediatric Mode:20-165mmHg

protection: Both hardware and software
over pressure protection

Accuracy: ±3mmHg
Resolution: 1mmHg
Alarm: Systolic, Diastolic, Mean


Nellcor SpO2
Measurement range 0-100%
Resolution: 1%
±2% (70-100%, Adu/Ped, non-motion)
±3% (70-100%, Neo, non-motion) 1-69% unspecified

Alarm range: 20-100%

PR Measurement Range: Resolution: Accuracy: 20-300bpm
Accuracy: ±3bpm (20-250bpm); Unspecified (251-300bpm) 20-300bpm


Masimo SpO2
Measurement & alarm range 1~100%
Resolution: 1%

±2% (70-100%, Adu/Ped, non-motion)
±3% (70-100%, Neo, non-motion)
1-69% unspecified

PR Measurement Range: Resolution Accuracy:
Alarm Range: PI value: Resolution:
Accuracy: 25~240bpm

1bpm ±3bpm(non-motion) ±5bpm(motion) 20-300bpm 0.02~20%
0.01% (0.02%~9.99%) 0.1% (10.0%~20.0%) unspecified


Comen SpO2
Measurement & alarm range 0~100%
Resolution: 1bpm
Accuracy: +/-1bpm
±2% (70~100%, Adu/Ped, non-motion)
±3% (70-100%, Neo, non-motion)
Unspecified (0-69%)
Alarm Range: 20-254bpm 1bpm ±1bpm 20-300bpm


Measurement & alarm range: 0-50°C
Sensor: Skin/rectal TEMP sensor
Resolution: 0.1°C
Accuracy: ±0.1°C (exclusive of error of sensor)

Additional information
Weight10 kg



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