MPS450 SERVICE MANUAL FUNCTIONAL DESCRIPTION
7
BLOOD PRESSURE
BP sensitivity
BP zeroing
Static-pressure levels
Dynamic BP waveforms
BP respiration artifact
Swan-Ganz simulation
The MPS450 simulates static and dynamic invasive
pressures, providing complete blood-pressure simulation.
The MPS450 also provides calibrated static pressures
and dynamic waveforms to simulate signals such as
pulmonary-artery, left- and right-ventricle and
Swan-Ganz (RA-RV-PA-PAW) pressures.
TEMPERATURE
Temperature settings
The MPS450 provides four preset temperature
simulations: 0 °C, 24 °C, 37 °C, and 40 °C. All
temperature simulations are compatible with Yellow
Springs, Inc. (YSI) Series 400 and 700 thermistors.
CARDIAC OUTPUT (OPTION)
Injectate temperature
Blood-flow rate
Faulty-injectate curve
Left-to-right-shunt curve
Calibrated pulse
The MPS450 simulates cardiac-output waveforms for
testing the accuracy and sensitivity of cardiac-output
computational devices equipped with Baxter-Edwards-
type catheters. Injectate temperature can be set either to
“iced” or to room-temperature conditions; blood-flow
rate is selectable from three different rates (2.5, 5.0, or 10
liters-per-minute) for each of the two temperature
selections. The MPS450 also simulates a faulty-injectate
curve, as well as a left-to-right-shunt curve.
FETAL / MATERNAL ECG (OPTION)
Fixed/periodic FHR
IUP simulation
The MPS450 simulates a combined fetal and maternal
ECG occurring during labor, as well as a selection of
direct-pressure waveforms produced by uterine
contractions. The contraction period is adjustable and
includes a manually generated waveform.
REMOTE OPERATIONS
RS-232 serial port
Computer control
MPS450 features include a built-in RS-232 serial port
that, when connected to a computer, enables instrument
control through remote commands. In addition, a special
command can be used to operate the MPS450 remotely
in the numeric-control mode.
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