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Combined active and passive breathing
simulator with digitally controlled piston
for simulation of compliances and
resistances via a pressure feedback loop.
(Part No. 31 00 100) |
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Modes of Operation
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Parameter file scripts
Interactive (parameters changed directly by
the user)
Time-varying parameters
(parameter changes adjusted breath by breath
in a pre-scripted fashion)
External interactive
(parameter change algorithms provided by
user-written software)
Pause
mode (user-definable idling state)
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Lung Model Types |
Passive (1 or 2 compartment)
Spontaneous
Combined (with adjustable response to
ventilator breaths)
Flow waveform generator
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Hardware
Total volume |
3.1 L |
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Tidal volumes |
2 to 2700 cm3
“FRC” setting adjustable (200 –
1500 cm3) |
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Spontaneous
Breath rate |
0 to 150 / min (infant Vt) |
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Peak flow |
180 L / min ± 10% (t90Flow < 50 ms) |
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Resistance settings |
3 to 500 cm H2O
/ L / s, (linear and parabolic resistor
types) |
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Compliance settings |
0.5 to 1000 mL /
cm H2O |
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Breath profiles |
user-defined pressure data files (breath
profiles)
or parameter-selected standard patterns |
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Leak settings |
possible through optional SBLVM Simulator Bypass and
Leak Valve Module |
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Small signal |
better than 15 Hz bandwidth
(10 cm3
response to HF ventilation) |
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Airway pressure |
uncertainty < than 1% fso measurement |
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Barometric pressure |
uncertainty < 1% (1 kPa) |
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Gas temperature |
uncertainty < 0.5 Co (20 – 45 Co) |
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Input/Output
Input |
2 channels analog input 0-10 V 16 bit
solution
(can be used for auxiliary pressure and flow
signals) |
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Output |
5 V TTL-signal
for breath phase recognition, (may be used
for synchronizing external data acquisition
system with the ASL 5000 simulator) |
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Software
Interface to PC Host |
via RS 232 at 57.6 kBaud |
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Host |
LabVIEWTM
based software environment
With an integrated set of applications for:
-modeling-simulation
-data analysis |
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Servo update rate |
2048 Hz |
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Electrical |
Universal input, 90…240 V AC |
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Dimensions |
425 x 219 x 315 mm |
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Weight |
10 kg (approx.) 22 lbs. |
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Patent |
Protected under US patent 5975748 |
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Simulator Bypass and Leak Valve Module (SBLVM)
External accessory for setting 3 levels of
leaks. Also switches between simulator and
an external breathing bag when no simulation
is running to avoid
alarming ventilator.
(Part No. 31 00 200) |
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Leak settings |
approximately 4, 9, 15 L/min at
20 cm H2O, leak orifices
exchangeable |
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Dimensions |
4.8 x 4.8 x 4.3 inches / 123 x 123 x 108 mm |
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Weight |
3.5 lbs. (1.6 kg) |
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Fast Oxygen Measurement (FOM)
For comprehensive ventilator evaluation.
Delivers reading almost instantaneously from
a highly accurate paramagnetic oxygen
sensor in sidestream configuration. Integrated sample
pump and barometric pressure sensor for
pressure correction.
(Part No. 31 00 300) |
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Measurement range |
0 to 100% |
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Uncertainty |
less than
+ 0.5% O2 |
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Response time |
<350 msec (t10/90
21 to 100% O2) |
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Cylinder Temperature Controller (CTC)
For simulations requiring realistic
physiological conditions. Foil heater with
auto-tune PID controller, wall temperature
probe, and independent safety thermostat
(120 or 240 V).
(Part No. 31 00 400) |
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Wall temperature
Setting |
ambient to 45o
C |
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Carrying Case
Hardshell transport case with foam insert,
retractable handle and wheels.
(Part No. 31 00 500)
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Dimensions |
25 x 20 x 14 inches / (63 x 51 x 36 cm) |
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Color: |
black |
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Auxiliary Gas Exchange Cylinder (AGEC)
Bag-in-bottle accessory for use of ASL 5000
with aggressive chemicals.
Designed to work with bags and bellows < 5”
OD.
(Part No. 31 00 600) |
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Volume |
approximately 3L |
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Mobile Cart
Ergonomic design holds laptop or a digital
projector and 17 or 18" LCD flat panel
display. Four twin wheel swivel castors for
maximum stability.
(Part No. 31 00 700)
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