Otto Bock DynamicArm Plus Instructions For Use Manual page 61

7.3.2.5 Start Switched Joint
7.3.2.6 Switching mode using muscle signals
This function is used to control the desired prosthetic component.
Indication
Control
Version
Myoevents (item 1)
The myoevents are generated via the colours of the corresponding channel. If an event is performed successfully,
the button flashes red.
MyoTimer (item 2)
Time setting for the "Myo-switching" function: the MyoTimer setting is used to differentiate between a short and
long co-contraction.
Co-contractions that are shorter than the configured value are recognised as a short co-contraction.
•
Co-contractions that are longer than the configured value are recognised as a long co-contraction.
•
If the "4 Channel" and "Impulse" myoevents are activated simultaneously, the MyoTimer setting decides between
the switching of "Impulse" and "4 Channel".
Myosignals that are shorter than the configured value are recognised as impulse switching.
•
Myosignals that are longer than the configured value are recognised as four-channel switching.
•
The default setting of the MyoTimer is 800 ms (0.8 seconds).
Switch rule (item 3)
Short co-contraction
Indication
Control
Version
Long co-contraction
Indication
Control
Version
DynamicArm Plus 12K110N=*
This function allows the preferred prosthetic component to be determined when
switching on the elbow joint.
For the Start Switched Joint setting, each component that was activated with
the Switch Matrix must be selected.
For patients with strong myosignals.
Via MyoBock electrodes on inputs 1–6.
Switching is via a short, strong signal ("4 Channel" or "Impulse" button) and/or a long-
short co-contraction.
The sequence of the prosthetic components to be operated can be determined
Auswahl durch
Anklicken
with this function.
Umschaltrichtung
auswählen
Aktive Ebene ist
rot markiert
For patients who can execute a co-contraction.
Two electrodes
Switching takes place via short co-contraction.
Both myosignals have to exceed the corresponding, configurable co-contraction threshold
within 80 ms. Subsequently the signals have to fall below the ON threshold within the
MyoTimer setting.
For patients who can execute a co-contraction.
Two electrodes
Switching takes place via long co-contraction.
Both myosignals have to exceed the corresponding, configurable co-contraction threshold
1. Myoevents
2. MyoTimer
3. Switch rule
Handling
61