Interacoustics
Orion Auto-Traverse Rotary Chair
The Orion Auto-Traverse is an enclosed rotary chair for vestibular assessment. It delivers computer-controlled rotational stimuli and off-axis centripetal acceleration for dynamic subjective visual vertical testing.
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Key Features
- Enclosed rotary chair with off-axis centripetal acceleration
- Test battery includes Sinusoidal Harmonic Acceleration (SHA), step velocity testing, VOR suppression testing with a built-in laser fixation target, visual VOR using the built-in optokinetic drum, and static and dynamic subjective visual vertical (SVV) tests
- Dynamic SVV uses an XY-axis laser-projected line in a fully darkened environment, with a handheld remote allowing the patient to adjust the line
- Customizable SVV protocol for desired line offset and number of trials
- When combined with VE525 VNG: full-field optokinetics, optokinetic after nystagmus (OKAN), horizontal and vertical saccades, smooth pursuit and gaze testing
- Optional pediatric add-on package with car seat adapter, in-booth observation camera and a small-face goggle
- Optional EOG add-on for recording without infrared camera goggles
Technical Specifications
SHA Frequency Range0.01 to 1.28 Hz
Step Velocity TestingUp to 350 deg/sec
VOR Suppression Test Range0.01 to 1.28 Hz
Maximum AccelerationUp to 200 deg/sec2
Dynamic SVV Velocity300 deg/sec, on or off-axis
Lateral MovementComputer-controlled step motor provides up to plus or minus 7 cm lateral movement from centre axis
SVV Laser Adjustment Increment0.1 degrees
Maximum Patient Weight400 lbs
SoftwareVisualEyes 525
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