Interacoustics Nydiag 200 Operation Manual
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Interacoustics Nydiag 200 Operation Manual

Interacoustics Nydiag 200 Operation Manual

Rotary chair
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Operation Manual
Rotary Chair Nydiag 200
80705402 ver. 05/2009

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Summary of Contents for Interacoustics Nydiag 200

  • Page 1 Operation Manual Rotary Chair Nydiag 200 80705402 ver. 05/2009...

  • Page 3: Table Of Contents

    Contents Rotary Chair Nydiag 200 Operation Manual Introduction ............................ 1 Precautions ................................1 Warranty ............................3 Safety Information .......................... 4 General information ..............................4 Electrical safety ................................4 Ambient conditions ..............................5 Hygiene ..................................6 Maintenance................................6 Installation ............................7 Putting the Unit into Operation ....................

  • Page 5: Introduction

    CAUTION, used with the safety alert symbol, indicates a hazardous situation which, if not avoided, could result in minor or moderate injury. NOTICE is used to address practices not related to personal injury Rotary Chair Nydiag 200 Page 1...

  • Page 7: Warranty

    INTERACOUSTICS warrants that:  The Nydiag Rotary Chair is free from defects in material and workmanship under normal use and service for a period of 24 months from the date of delivery by Interacoustics to the first purchaser.  Accessories are free from defects in material and workmanship under normal use and service for a period of ninety (90) days from the date of delivery by Interacoustics to the first purchaser.

  • Page 9: Safety Information

    Always be sure to disconnect the power supply before cleaning or disinfecting mains operated instruments. Interacoustics A/S only guarantees for the safety, reliability and function of the instrument, if: installation, extensions, modifications and repair are exclusively carried out by personnel authorized by Interacoustics A/S;...

  • Page 10: Ambient Conditions

    IEC 60601-1-1. If in doubt, contact your service technician or local representative for help Should any further information be required, please do not hesitate to contact your Interacoustics representative.

  • Page 11: Hygiene

    We recommend renewing the driving belts after five years. The operator is responsible for the perfect state of the instrument. It is recommended by Interacoustics to have safety checks carried out at one-year intervals. Immediate maintenance is required if: the instrument was subjected to extreme mechanical stress (impact, defective cable due to inadmissible traction);...

  • Page 13: Installation

    Never pull the backrest or the armrests to move the chair. Before attempting to move the chair, the four side panels must be unscrewed to provide access to the frame. With the panels removed, the chair can be lifted and moved by the frame. Rotary Chair Nydiag 200 Page...
  • Page 14 (use a 3.0 mm hexagon key): 2. Unscrew the curved side panels. Each panel is fixed with 4 screws. Use a 3.0 mm hexagon key to loosen the screws: Rotary Chair Nydiag 200 Page...
  • Page 15 After removing all four curved panels, the bared frame can easily be gripped to lift and move the chair. Once the instrument has been positioned in its final location, re-mount the side panels and the top cover, and secure with correct type of hexagon screws. Rotary Chair Nydiag 200 Page...

  • Page 17: Putting The Unit Into Operation

    5 Putting the Unit into Operation 5.1 Examination Room Layout The Rotary Chair may be installed using the following guidelines for room size and hardware installation: Rotary Chair Nydiag 200 Page...

  • Page 18: Hardware Installation

    Connect only if all data agrees! Inspect the mains connection cables for visible damage prior to establishing the connection. Damaged cables or plugs must immediately be replaced by Interacoustics service technicians, an authorized person or specialist. Connection Panel The backrest features a connection panel with purpose specific connections: 2 x 6-pM FireWire ports 1 x USB 2.0 port...

  • Page 19: Software Installation

     Desktop PC: Texas Instruments chipset PCI FireWire® board with dual 6-pM ports  Three USB ports available  One VGA port available  Monitor resolution 1024 x 768 or better  WindowsXP™ Operating system Rotary Chair Nydiag 200 Page...
  • Page 20 Power up the PC and insert the VNG 7.x installation CD. Double click the EKIDA folder to access the rotary chair installation programs. The following window appears: Double-click the Kvaser driver icon to install the can bus-to-USB driver. Rotary Chair Nydiag 200 Page...
  • Page 21 Next, double-click the Rotary Chair Control folder to access the EKIDA setup installer package: Double-click the EKIDA setup installer package icon - this will lead you to the RCC Setup Wizard: Rotary Chair Nydiag 200 Page...
  • Page 22 Click „Next‟ to select installation folder: Again, click „Next‟ - this time to confirm installation: Rotary Chair Nydiag 200 Page...
  • Page 23 The software will be installed, and after a few seconds a message appears that the installation has been completed: Click „Close‟ to exit the installation program. Right-click the Rotary Chair Control-bar and create a shortcut from your Desktop. Rotary Chair Nydiag 200 Page...

  • Page 25: Operating Instruction

    6.1 Starting the program After switching on the power of the rotary chair, double-click the icon on your Desktop. The following window appears. Functions: Set Position Tab Set Velocity Tab Sinusoidal Tab Triangular Tab Trapeze Tab Rotary Chair Nydiag 200 Page...

  • Page 26: Set Position Function

    100 °/s produce fast movements.  Testing the Set Position Function:  Position – target of chair movement  Velocity – speed of rotation to the intended position  Acceleration – time to reach velocity Rotary Chair Nydiag 200 Page...

  • Page 27: Set Velocity Function

    Once the acceleration phase is completed the chair will have reached its target velocity which it will keep until the “Stop” button is activated.  Set Velocity Relevant VO25 test protocol: Data from can be recorded and analyzed in the StepRotation test  VNG toolbar icon: Rotary Chair Nydiag 200 Page...

  • Page 28: Sinusoidal Test Function (Smooth Pursuit, Shat)

     Stimulus: Acceleration up to peak velocity, followed by deceleration of similar proportions.  Sinusoidal Relevant VNG test protocol: Data from can be recorded and analyzed in the SinusPendular test  VNG Toolbar icon:  Rotary Chair Nydiag 200 Page...
  • Page 29 Velocity Change dv: values >1 produce faster movements whereas values >1 produce slower movements Cycles: check that the chair rotates the number of cycles ordered. One cycle is half the pendular movement; i.e. from zero, acceleration phase and then de-acceleration into zero again. Rotary Chair Nydiag 200 Page...

  • Page 30: Triangular Test

    Acceleration °/s² – time to reach velocity  Acceleration change – steady or increasing/decreasing acceleration from cycle to cycle  Velocity change – steady or changing velocity from cycle to cycle  Number of cycles Rotary Chair Nydiag 200 Page...

  • Page 31: Trapeze Test

    Velocity v Stable time t1 final of 100°/s is reached. This velocity is kept for 60 seconds with set at 60 – then the chair decelerates with 60°/s². The deceleration is the stimulus for the patient. Rotary Chair Nydiag 200 Page...
  • Page 32 Cycles: check that the chair performs the number of cycles ordered. One cycle is the combined duration of acceleration, stable time and de-acceleration. After clicking the ok-button the program must be left pressing the EXIT and save button. The program now saves the parameters which have been used last. Rotary Chair Nydiag 200 Page...

  • Page 33: Technical Specifications

    Weight 175 kg Shipping weight 210 kg Dimensions 90 cm x 70 cm x 160 cm Shipping dimensions 100 cm x 120 cm x 190 cm Power supply 110-230 V~ (50/60 Hz)/ 4A max Rotary Chair Nydiag 200 Page...
  • Page 35 Please note that the goods must be carefully packed, preferably in original packing, in order to avoid damage during transport. (Packing material may be ordered from Interacoustics). EC Medical Device Directive rules require immediate report to be sent, if the device by malfunction deterioration of performance or characteristics and/or by inadequacy in labelling or instructions for use, has caused or could have caused death or serious deterioration of health to patient or user.

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