Magstim BiStim²🔗
The BiStim² is a paired-pulse stimulator combining 2 monophasic stimulators to deliver paired pulses through 2 separate or through a single coil. The paired pulses can be delivered with independent stimulation intensities and variable inter-pulse intervals.
Magstim devices share common features that are detailed in the common features section of the guidelines.
Start-up🔗
The BiStim² can be started by (1) setting the power switch to ON behind both
units, and (2) pressing the power button on the front panel of both units.
Note
Contrary to the Super Rapid² Plus¹, the BiStim² power consumption is handled through a single power outlet.
Coils🔗
TODO
To use the BiStim² as a paired-pulse stimulation with a single coil,
the 2 stimulators must be connected to the appendix on the left side of the
stimulator A, and the coil must be connected to the same appendix.
Important
If the coil(s) are connected to a stimulator directly, the stimulators work independently one from another.
Settings🔗
When both stimulators are connected to the same coil, the stimulator A
controls the intensity of both pulses (and stimulators) and the inter-pulse interval.
The pulses can be set to different intensities.
Press on the nob to circle between the 3 settings and turn the nob to set the desired value.
Intensity is set as a percentage of the maximum stimulator output. The intensity should be defined based on the individual motor threshold.
The inter-pulse interval is set in milliseconds and defines the delay between the pulse delivered by both stimulators.
When setting the inter-pulse interval to 0, then pressing the red button and
turning the nob counter-clockwise, the BiStim² will enter mode ε,
displaying an E in the inter-pulse interval display. In this mode, the pulse
delivery is controlled by the triggers only. The first trigger will deliver a
pulse on stimulator A, the second trigger will deliver a pulse on stimulator
B.
Tip
To exit the mode ε, press the red button and turn the nob clockwise.
Important
The BiStim² stimulators need time to recharge between pulses. Thus, after a pulse has been delivered on a stimulator, it is up to the user to ensure no new trigger attempts to deliver a pulse on the same stimulator before it is ready. Usually, the stimulator requires around 1 second to recharge (depends on the pulse intensity).
If a trigger is sent to a stimulator that is not ready, the BiStim² will wait until it is recharged before delivering the pulse. Thus, the inter-pulse interval will not be respected.
Datasheets & Manuals🔗
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