Biodex 950-430 Manuale utente

BIODEX VIBROTACTILE SYSTEM

For use with the Balance System SD and BioSway (Win CE versions)

INSTALLATION AND OPERATING MANUAL

950-430

FN: 15-462 Rev A 5/16

This manual contains operating procedures for the following Biodex products:

950-430 VibroTactile System, 115 VAC

940-440 Balance System SD, 12.1” Display, 115 VAC

950-460 BioSway 12.1” LCD with Tabletop Stand and Case, 115V/230V 50/60V

950-461 BioSway 12.1” LCD with Tabletop Stand, 115V/230V 50/60V

Contact Information

Biodex Medical Systems, Inc.

20 Ramsey Road, Shirley, New York, 11967-4704

Tel: 800-224-6339 (Int’l 631-924-9000)

Fax: 631-924-8355

email: supportservices@biodex.com

www.biodex.com

VIBROTACTILE SYSTEM FOR WINDOWS CE BALANCE DEVICES 3

Table of Contents

1 OVERVIEW..............................................................................................................................4

2 INSTALLATION .......................................................................................................................5

3 BATTERY AND WIRELESS CONNECTION STATUS......................................................................8

4 COORDINATING LINKBOXES AND TACTILEBELT BOXES..........................................................10

5 CLINICAL APPLICATIONS ......................................................................................................15

6 SUPPORTING RESEARCH AND SUGGESTED READING .............................................................19

APPENDIX A - SPECIFICATIONS .............................................................................................20

APPENDIX B – CONFORMANCE TO STANDARDS ....................................................................21

1. Overview

Vibrotactile Feedback

Biodex has incorporated vibrotactile feedback into our balance products. Vibrotactile

feedback—or “cueing”, as it may be thought of in this application—adds a new element to

postural sway biofeedback. Vibrotactile cueing incorporates a position triggered, localized

vibrating sensation that provides patients with additional sensory enrichment to therapy tasks.

Therapists commonly emphasize their verbal cues to patients by gently tapping them as well.

Tapping contact can be arbitrary and not reproducible. With vibrotactile cueing, vibrations are

activated on various parts of a belt worn by the patient; these vibrations can be either positively

reinforcing or negatively reinforcing, based on the positional feedback.

Real-time biofeedback about one’s performance is an important aid for rehabilitation. Feedback

can be based on visual, audio and/or tactile inputs. Tactile feedback is unique in that it directly

engages the motor learning system. In balance training, to really focus on the vestibular

system, one’s visual system input needs to be temporarily eliminated. When patients close their

eyes during a balance training session, the Biodex VibroTactile System provides biofeedback in

the form of a “buzz” or vibration-cued signal.

The origin for this technology is in the military, where it was used to enhance spatial awareness

for jet pilots. (Sensors embedded into flight suits activate when disoriented pilots steer their

aircraft towards the ground.) Since then, the technology has been adapted to balance

rehabilitation training practices with excellent results. There are several published papers

supporting the technology, application and benefits. Please see the last section of this

document for more information on these studies.

VIBROTACTILE SYSTEM FOR WINDOWS CE BALANCE DEVICES 5

2. Installation

Software Download and Installation

If you purchased your Biodex balance device in late 2015, the VibroTactile System functionality

will be part of the device’s software—you just have to activate it (see below). If you have an

earlier model, you can download the updated software with the VibroTactile System

functionality from the Biodex website.

On the Updates page, find the link for the most recent release of either the Balance System SD

or BioSway software, which will have a version number of 3.04 or higher:

http://biodex.com/physical-medicine/products/software-updates

Save the software .exe file on the root directory of a USB flash drive, and then place the USB

flash drive into one of the USB ports on your Balance System SD or BioSway display.

Figure 2.1 Save the TactileBelt software file within the root directory of a USB flash drive.

Once the USB flash drive has been inserted into the USB port, your device should automatically

recognize the software file and ask you if you want to install it. Follow the on-screen prompts to

install the software on the device.

Once the VibroTactile System software is installed, you need to enable the vibrotactile

functionality on your device. From the Main Screen of the interface, choose the <Utilities>

button, followed by the <Configuration> button. Then touch the <VT> button, which acts as an

on/off toggle.

NOTE: The “VT” button (Fig 2.2) will be a light blue when it is toggled ON and a dark blue when

toggled OFF.

Figure 2.2 The “VT” button acts as a toggle switch for the device’s vibrotactile functionality. When the button is light blue—as

shown here—the vibrotactile functionality is activated.

Installing the LinkBox

The LinkBox mechanism is attached to the back of your device’s display with a fastener strip.

The LinkBox provides for a wireless link between the TactileBelt on the patient’s waist and the

biofeedback seen on the display.

To install the LinkBox, peel off the protective coverings on both parts of the fastener strip, and

position it on back of the display as shown in Figure 2.3. There are two cables: a serial

communication cable and a short USB cable (for power). Once connected, a blue light will come

on indicating the LinkBox is powered.

Figure 2.3 Installing the LinkBox to the back of the display.

VIBROTACTILE SYSTEM FOR WINDOWS CE BALANCE DEVICES 7

Connecting and Applying the TactileBelt

Two belts are provided, sized 28”-36” (71-91 cm) and 36”-48” (91-122 cm). Select for best fit.

The TactileBelt Receiver boxes are the same for both and can be interchanged if needed.

Use the short cable to connect the TactileBelt Receiver box to the connector on the TactileBelt.

NOTE: Be sure to charge the batteries in the TactileBelt Receiver boxes for a minimum of 8

hours before use.

Figure 2.4 Attaching the TactileBelt Receiver box to the belt.

Clip the TactileBelt Receiver box to the belt fabric. Place the belt around the patient’s waist,

arranging it so the red arrow points up and aligns with the patient’s navel.

Press the LINK button to wirelessly connect with the LinkBox. RESET can be used to re-establish

communication with LinkBox should the connection be lost.

Figure 2.5 Align the red arrow on the TactileBelt with the patient’s navel.

3. Battery and Wireless Connection Status

LED Indicator Lights

The LinkBox is powered by the USB connection to the balance device’s display. The TactileBelt

Receiver boxes have rechargeable batteries. The batteries should provide more than enough

service for a full day of clinical usage.

There are two LED indicator lights on the TactileBelt Receiver boxes. The light on the left is for

the battery status. The light on the right is for USB power.

The battery indicator shows various states:

•Solid Green: Battery charged half capacity or greater, trickle or not charging

•Solid Orange: Battery charge less than half but not critical, not charging

•Solid Red: Battery charge is critically low, not charging

•Slow Blink Green: Battery charged half capacity or greater, actively charging

•Slow Blink Orange: Battery charge less than half but not critical, actively charging

•Slow Blink Red: Battery charge is critically low, actively charging

•Fast Blink Red: Temperature out of range (0-40C, 32-104F)

•Fast Blink Orange: Initializing (one second only)

USB power status:

•Solid Blue: USB port powered

•Dark: USB port not powered

LinkBox Indicators (see Fig. 2.3):

LED on Left:

Solid Blue: Receiver Board is/was connected

Slow Blink Blue: Building wireless network (searching)

LED on Right

Solid Blue: Active communications to application software

Dark: No communications to application software

NOTE: When connecting a TactileBelt Receiver box you may see the connection status light

alternating from green to red, but the screen does not display a channel selection. If the belt

has been idle for some time, it is “sleeping” and will not immediately connect. By clicking the

RESET button the belt receiver “wakes up” and should connect correctly.

Figure 3.1 TactileBelt Receiver box LED indicators.

VIBROTACTILE SYSTEM FOR WINDOWS CE BALANCE DEVICES 9

Charging / Power Options for TactileBelt Receiver Boxes

There are two ways to charge the TactileBelt Receiver boxes:

1.) Wall outlet charger (for quickest charge)

2.) USB connection to display

Figure 3.2 TactileBelt Receiver boxes can be charged with a connection to a wall outlet or to the display on the device.

On-Screen Indicators

The wireless reception and battery symbols on the upper left corner of the display indicate

TactileBelt/LinkBox communication and TactileBelt battery status.

Figure 3.3 On-screen indicator showing wireless connection and approximately 75% battery life.

NOTE: Be sure to charge the batteries in the TactileBelt Receiver boxes for a minimum of 8

hours before use.

4. Coordinating LinkBoxes and TactileBelt Boxes

Configuring Equipment in Facilities with One VibroTactile System

Your Biodex VibroTactile System comes with one LinkBox and two TactileBelt belts and Receiver

boxes. The LinkBox will be labeled with a sticker denoting “A0”, and the two TactileBelt Receiver

boxes will be labeled “A1” and “A2”.

The TactileBelt Receiver boxes will “time out” and power down after 2 minutes of non-usage. If

both are active, however, you will have to select which one the LinkBox should communicate

with.

Figure 4.1 The VibroTactile System will come shipped with labels denoting “A0” for the LinkBox and “A1” and “A2” for the

TactileBelt Receiver boxes.

On the screen shown below, the wireless/battery symbol denotes that no TactileBelt is

communicating with the LinkBox. Touch the wireless/battery symbol once to configure

TactileBelt A1 or A2. In this example, we will proceed with configuring A1.

Figure 4.2 The wireless/battery symbol is in the upper left corner.

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