User Manual ToFscan 12
“Big Toe” sensor
The stimulation electrodes are to be positioned on the tibial nerve above the ankle. The
distance between the electrodes ranges from 2 to 5 cm (1 to 2 inches).
Note:
It is essential to correctly position the electrodes in order to stimulate a nerve and not a
muscle.
Placing of the sensor
When positioning the sensor, the sensor cable must not apply any pressure to the
sensor or the sensor clamp. It must allow the sensor to move freely according to muscle contractions.
Positioning the sensor in contact with the patient must not cause excessive pressure or stress that
could injure the patient.
“Thumb” sensor
The splint must follow the shape of the hand as closely as possible and be positioned so
that it makes contact with the last phalanx of the thumb.
Positioning of the sensor splint
on the patient’s hand.
Positioning by adhesive
«Thumb» sensor for paediatric patient «Thumb» sensor for small paediatric patient
‘Eyebrow’ sensor
The positioning must allow the free movement of the sensor. The sensor is positioned on
the corrugator supercillii muscle. The sensor cable exert no tension on the sensor. The sensor is xed
with a double sided tape on the patient’s skin. This tape must be adapted to a medical usage and
allow a reliable xing during the whole duration of the monitoring.
Positioning of the ‘eyebrow sensor’
on the patient’s eyebrow
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