PS320

PS320 Fetal Simulator

The PS320 Fetal Simulator simulates fetal and maternal ECG as well as uterine activity to test and troubleshoot fetal electronic monitors and to train clinical staff.

The unit is battery operated and small enough to fit in a pocket so mobile technicians and clinical instructors can take it anywhere.

The PS320 simulates several fetal parameters including twins, and it simulates a wide range of clinical scenarios for training labor-and-delivery staff in how to recognize normal and abnormal responses. An optional mechanical heart creates fetal heart sounds for testing fetal monitors' ultrasound cables and transducers.

PS320 offers an easy user interface providing a 2 x 16-character LCD display with adjustable contrast. The unit operates on a 9-volt battery with low-battery monitoring or functions with the supplied battery eliminator.

Key Features

Mechanical heart for ultrasound simulation
TOCO simulation (External or IUP)
Ultrasound simulation (including twins)
Maternal ECG simulation
Fetal ECG (tracks ultrasound #1)
Internal (DECG) and external fetal ECG
Uterine-activity selections
Fetal beat-to-beat variability
Periodic and non-periodic fetal ECG changes
Arrhythmia selections
Compact, lightweight, pocket-size plastic housing
Battery operated with status indications
Special kits available with all required accessories and cables to test fetal monitors for specified manufacturers

Specifications

Fetal ECG

Static Rates:

	30, 60, 90, 120, 150, 180, 210,
	and 240 BPM

ECG Sensitivity:

	50 µV, 100 µV, 200 µV, 0.5 mV, 1 mV, and 2 mV
	US-1 tracks primary fetal ECG rates. US-2 tracks secondary fetal activity for either independent “normal” or “twins” simulation, US-2 rate fixed at 140 BPM

Fetal Patterns:

Note: US-1 fetal ECG track these selections. US-2 is in normal pattern, except during TREND #1 selection.

Variability selections (added to fetal ECG)

Absent variability, low variability, mild variability, high variability, severe variability, and long-tern variability

Note:

These patterns repeat and toco channel will perform toco wave selected

Optional mechanical fetal heart

Provides a mechanical interface to the ultrasound transducer; can be connected to either ultrasound channels. This option, due to its power consumption, requires an ac power adapter to be connected.

Trend #1: Twin Fetal Patterns

NORMAL:

Normal pattern

TACHYCARDIA:

Tachycardia pattern

BRADYCARDIA:

Bradycardia pattern

ARRHYTHMIAS:

Arrhythmia pattern

LATE DECELERATION:

Late deceleration

EARLY DECELERATION:

Early deceleration

MODERATE DECELER:

Moderate variable deceleration

ACCELERATION #1:

Acceleration wave #1

ACCELERATION #2:

Acceleration wave #2

SINUSOIDAL (HIGH):

Sinusoidal pattern, large change

SINUSOIDAL (LOW):

Sinusoidal pattern, small change

SEVERE VAR. DEC. #1:

Severe deceleration wave #2

SEVERE VAR. DEC. #2:

Severe variable deceleration

PROLONGED DECELERATION:

Prolonged deceleration

BIPHASIC DECELERATION:

Biphasic deceleration

EXAGGERATED DECELERATION:

Exaggerated deceleration

NON-UNIFORM DECELERATION:

Non-uniform deceleration

VAR. DECELERATION (U):

Variable deceleration "U" shaped

VAR. DECELERATION TACH:

Variable deceleration with high-rate BPM

VAR. DECELERATION (V):

Variable deceleration "V" shaped

VAR. DECELERATION (POST):

Variable deceleration post exaggerated

VAR. DECELERATION:

Variable deceleration

DECELERATION (POSITION):

Variable deceleration with position changes

LONG DECELERATION:

Long deceleration

COMPENSATORY ACCELATION:

Compensatory acceleration

Maternal ECG

ECG Static Rates:

60, 80, 100, 120, 140, 160 BPM

ECG Sensitivity:

0.5 mV, 1 mV, and 2 mV

Note:

Pattern selected during Trend #1 selection

Uterine Activity

Note:

Toco waveform selection not available during Trend #1

EXECUTE WAVEFORM:

Start toco waveform

UTERINE WAVE OFF:

Stop toco waveform

ANALOG 0 TO 1 VOLT:

Analog range 0 to 1 V (1 V = 100 mmHg)

ANALOG 0 TO -1 VOLT:

Analog range 0 to -1 V (1 V = 100 mmHg)

UTERINE WAVE 0 TO 25:

Range of toco waveform

UTERINE WAVE 0 TO 50:

Range of toco waveform

UTERINE WAVE 0 TO 100:

Range of toco waveform

SHORT DURATION:

Toco waveform of short duration

NORMAL DURATION:

Normal duration of toco waveform

INCREASED DURATION:

Long duration of toco waveform

UTERINE LEVEL = ZERO:

Zero toco channel (automatic on power up)

UTERINE STATIC + 20:

Increase toco static level by 20 mmHg (0 to 100 mmHg)

INCR. RESTING TONE:

Resting tone increases

COUPLING:

2 close toco waves

TRIPLING:

3 close toco waves

UTERINE PRESSURE SENSITIVITY:

5 or 40 µV on power up

Important Notes:

	US-1 tracks the fetal ECG rates.
	US-2 is the second ultrasound channel with a
	normal fetal ECG pattern.
	On the fetal and maternal ECG, the fetal ECG
	is 1/4 the size of the maternal ECG.
	The PS-320 turns on in the following state:
	• Fetal ECG static rate @ 150 BPM
	• US-1 tracks @ 150 BPM
	• US-2 normal pattern
	• Pressure sensitivity @ 5 µV/mmHg
	• Pressure/Toco set to zero
	• Maternal ECG rate @ 80 BPM
	• ECG sensitivity @ 1 mV
	• Toco wave is normal duration @ 0 to 50 divisions (i.e. 0 to 50 mmHg)

Controls

Display:

2-line x 16-character LCD with keypad

RS232:

Bidirectional interface, 9600 Baud

General Information

Power:

9V battery/battery eliminator; low battery indication set at 6 V

Housing:

Plastic case

Dimensions:

6.1 " L x 3.7 " W .x 1.3 " H (15.6 cm L 9.4 cm W x 3.4 cm H)

Weight:

0.9 lb (0.4 kg)

Temperature:

59 to 95 ˚F (15 to 35 ˚C), operating; 32 to 122 ˚F (0 to 50 ˚C), storage

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