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3.3
Intensity monitoring
During the development of the HiToP
you a Stimulator for nerve and muscle device of a new generation with regard to its
efficiency and operability, but also to set new standards with regard to the patient's
safety.
The intensity is increased at open circuits, i.e. no patient is connected to the device:
If the initial voltage is increased at open circuit and no current is measured, the
channel will be switched off for the patient´s safety. An acoustic signal is given and
the following message will be displayed: Therapy terminated by Intensity Monitoring
in channel 1. Please check for insufficiently attached electrodes or disconnected
patient cables.
!!
Note!
Please check the contact of the electrodes and the cables, resp., before
you set the intensity anew.
Abrupt resistance changes in the electrode application could cause problems:
1. Two electrodes touch each other and form a shunt during treatment. If the patient
moves during the therapy, that shunt can open and the patient becomes exposed to
an unintended high intensity of current.
2. The electrodes are shorted-out by a conductive part, such as a metallic temple in
case of a tinnitus treatment. If during the treatment that shunt is removed (e.g. the
glasses are taken off) this abrupt resistance change also leads to a severe
modification of the intensity of current.
3. Generally, please observe the notice regarding the electrode positioning (see
chapter 5.3).
We at gbo Medizintechnik AG expanded the device software by a special intensity
monitoring routine in order to get the application problems mentioned under control.
This safety circuit avoids an unintended high change in the intensity of current and
switches off the respective channel in such a case. On the display a note for the
respective channel is shown.
gbo Medizintechnik AG
4 touch we have endeavored not only to offer
13
Version 1.3
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