D-0125111-A – 2020/04
TRV chair – Instructions for Use - EN Page 5
2 System description and performance
The TRV chair has a seat equipped with supports (four-point harness, headrest with headband and leg
strap) and has two axes of rotation, which are lockable in pre-set positions.
The horizontal axis is locked by the means of an electromagnetic lock (footswitch operated), with the
patient in one of the following positions:
1. Standard (vertical, head at top).
2. 30° above the horizontal plane for caloric tests.
3. 0° or 180° (supine decubitus, left or right decubitus or ventral decubitus).
)
4. Immobilization -45° or +225° (45° below the horizontal plane, head to left or right) for ‘potentiated’
Epley maneuver:
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