Noraxon MyoMOTION 682 Manuel utilisateur

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Noraxon U.S.A., Inc. myoMOTION Data Logger

P-6828 Rev A (Oct 2014)

For questions, concerns or additional assistance please contact Noraxon or its Authorized

Representative as specified below.

MManufacturer:

Noraxon U.S.A. Inc.

15770 North Greenway-Hayden Loop, Suite 100

Scottsdale, AZ 85260

Tel: (480) 443-3413

Fax: (480) 443-4327

Email: [email protected]

Support Email: [email protected]

Web Site: www.noraxon.com

PAuthorized European Representative:

Advena Ltd.

Pure Offices,

Plato Close, Warwick CV34 6WE, UK

Telephone +44(0)1926 800153

+44(0) 845 094 3307

Email: [email protected]

Website: http://www.advenamedical.com

Skype: advenamedical

No part of this document may be copied, photographed, reproduced, translated, or reduced to any electronic medium or

machine-readable form without the prior written consent of Noraxon U.S.A. Inc.

contained herein may be trademarks or registered trademarks of their respective companies and are sole property of their

respected owners.

Noraxon U.S.A., Inc. myoMOTION Data Logger

P-6828 Rev A (Oct 2014)

Table of Contents

Section1:Introduction

Brief Description ...................................................................................................... 1

Intended Use .......................................................................................................... 1

Contraindications...................................................................................................... 1

Section2:Definitions

Graphic Symbols and Meanings............................................................................... 2

Glossary of Terms ................................................................................................... 3

Section3:Identification

Model Designation ................................................................................................... 4

Product Versions and Configurations ...................................................................... 4

Section4:GeneralWarningsandCautions

Risks and Benefits.................................................................................................... 5

Safety Information Summary ................................................................................... 5

Section5:GettingStarted

Quick Start Guide .................................................................................................... 6

myoMOTION Quick Start Tutorial-Addendum ......................................................... 8

Section6:PreparingtheProductforUse(SetupInstructions)

Unpacking and Component Identification ................................................................10

Component Inputs, Outputs and Indicators..............................................................11

Component Interconnections ...................................................................................12

Device Communication (Driver) Software Installation .............................................13

Companion Software Installation .............................................................................13

Software Configuration ............................................................................................13

Section7:Pre‐useCheck‐out

Normal Appearance of Signals.................................................................................14

Attaching to Patient or Subject.................................................................................14

Calibration.................................................................................................................14

Section8:OperatingInstructions

Safety Information Summary....................................................................................15

Normal Functions with Interface in PC.....................................................................15

Secondary Functions without PC Interface..............................................................15

Exceptional Functions/Situations (error messages).................................................16

Shutdown after Use..................................................................................................16

Storage and Protecting Between Usages ................................................................17

Section9:AccessoriesandOptionalModules

Accessories ..............................................................................................................18

Section10:Cleaning

Safety Precautions When Cleaning..........................................................................19

Cleaning by Users....................................................................................................19

Section11:Maintenance

Safety Precautions When Performing Maintenance.................................................20

Maintenance by Users..............................................................................................20

Maintenance by Qualified Individuals.......................................................................20

Section12:Trouble‐shooting,FaultDiagnosis

Troubleshooting Chart..............................................................................................22

Website Link to FAQ.................................................................................................22

Radio Considerations...............................................................................................23

Setting the Sensor RF Channels..............................................................................23

Noraxon U.S.A., Inc. myoMOTION Data Logger

P-6828 Rev A (Oct 2014)

iii

Section13:ServiceandRepair

Availability of Circuit Diagrams and Component Lists .............................................24

Submitting Service Requests ...................................................................................24

Returning Equipment................................................................................................24

Section14:ListofSparePartsandConsumables

Consumable Items (electrodes and sensor elements).............................................25

Replaceable Items (fuses, batteries, lead sets) ......................................................25

Section15:TakingProductOutofOperation

Disposal of Equipment and Batteries.......................................................................26

Section16:SpecificationsoftheProduct

Expected Useful Lifetime..........................................................................................27

Dimensions and Weight ...........................................................................................27

Performance Characteristics ...................................................................................27

Energy Consumption, Condition of Use ..................................................................27

Environmental Conditions for Storage and Transport .............................................27

IP (Ingress Protection) Rating..................................................................................27

Section17:TechnicalInformation

Block Diagram .........................................................................................................28

Theory of Operation .................................................................................................28

Electro-Magnetic Compatibility (EMC Tables) .........................................................28

Section18:Appendices

Appendix A—Interference Between WiFi & Sensor Radio Frequency Channels....31

Appendix B—Sensor RF Channel Frequencies.......................................................32

Appendix C—Radiation Exposure Information Regarding Use of DTS Sensors.....33

Appendix D—Radio Regulatory Statements ...........................................................34

Noraxon U.S.A, Inc. MyoMOTION System

P-6828 Rev A (Oct 2014)

Section 1: Introduction



BriefDescription

Noraxon’s myoMOTION™ System is a combination of hardware and software that enables the

capture of human motion in three degrees of freedom (3 DOF). A compact Inertial Measurement

Unit (IMU) placed on any segment of the body precisely tracks the 3D angular orientation of that

body section. By positioning individual IMU sensors on two contiguous body segments, the

intervening joint Range of Motion (ROM) can be determined. This concept is easily expandable

from a single joint of interest to a simultaneous 16 sensor full body measurement across all major

articulations.

The myoMOTION sensors transmit the motion of the human body directly to the myoMOTION

receiver or data logger to quantify the angular changes of the selected body segments. The

captured data may then be analyzed using Noraxon software.

The main advantage of this technology is it is easy and quick to use, fully portable and can be

used with independent external cameras. This unique concept gives the user flexibility to operate

the myoMOTION system without limitations.

The myoMOTION data logger brings even more portability to the system. With the myoMOTION

data logger, users can apply the sensors and, using the data logger, record data anywhere during

any activity. This recorded data can then be imported from the data logger into the software for

processing and analysis.



IntendedUse

Noraxon’s 3-D myoMOTION system is intended to measure and quantify angular changes of

selected body segments. The data logger is used to make the system truly portable by offering an

option for recording data without the use of a myoMOTION receiver or a computer. Recorded

data can then be imported into the software for data analysis and reporting.

Intended Users

Researchers and individuals trained in physical medicine, physical therapy or ergonomics

Subject Populations – Medical

Individuals with cerebral palsy, physical injuries, post-surgical or post stroke conditions

Subject Populations – Non medical

Athletes, workers at their worksite, subjects in new product trials

Common Applications

Movement Technique analysis, gait analysis; tracking over time the outcome of surgical,

therapeutic or orthotic interventions; identification of ergonomic stress factors in the workplace or

new product designs; sports performance analysis, and postural assessment.



Contraindications

Use of the myoMOTION analysis system and data logger is contra-indicated in individuals who

have implanted pacemakers.

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Noraxon U.S.A., Inc. myoMOTION Data Logger

P-6828 Rev A (Oct 2014)

GlossaryofTerms

myoMOTION Sensor -- A small individual radio transmitter typically worn on the body used to

measure and transmit motion related signals. The myoMOTION System can accommodate up to

8 body worn myoMOTION Sensors on one receiver, or can be configured with two receivers for

up to 16 sensors.

myoMOTION Serial Number – A unique four-character tag used to identify each myoMOTION

Sensor. The members of any myoMOTION network are determined by their serial numbers.

RF – (Abbreviation for Radio Frequency) Wireless communication takes place on assigned radio

frequencies or channels. For the myoMOTION System, RF transmissions occur at frequencies

between 2.4 GHz and 2.5 GHz. Other wireless systems including WiFi and Bluetooth commonly

operate at the same frequencies and can be a source of interference.

RF Channel – RF transmissions for the myoMOTION System can be selected to occur on one of

24 different radio frequencies. The ability to operate over several different frequencies allows the

myoMOTION System to reposition its radio operation if needed to avoid interference.

RF Traffic – The presence of radioactivity present on a given frequency similar to the number of

cars on an expressway. Several users (wireless devices) may be communicating using the same

frequency. Best operation of the myoMOTION System occurs when the RF Traffic is low (no

other users) on the selected RF Channel.

Serial Number – A unique four-character tag used to identify the myoMOTION Data Logger.

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Noraxon U.S.A., Inc. myoMOTION Data Logger

P-6828 Rev A (Oct 2014)

Section 4: General Warnings and Cautions



RisksandBenefits

There is no identified risk of physical harm or injury with use of the myoMOTION Data Logger

product. The benefit provided by use of the device is the provision of objective measures to

assess the severity of pathological human movement conditions and gauge any subsequent

improvement offered by therapy, training, prosthetic alterations or ergonomic design changes.



SafetyInformationSummary

Cautions



Never use the myoMOTION System on a person with an implanted pacemaker

Never operate the myoMOTION System within 1 meter of any critical medical device

Never use the myoMOTION System in the presence of flammable anesthetizing agents

or substances.

Never use the myoMOTION System in the presence of strong magnetic fields such as

occurs in the vicinity of MRI (magnetic resonance imaging) equipment.

Never use the myoMOTION System in the presence of heavy electrical machinery such

as close proximity to large motors, elevators, compressors, etc.



Warnings



Do not immerse the myoMOTION Data Logger in any water or liquid

Do not use the myoMOTION equipment on individuals undergoing MRI, Electro Surgery

or Defibrillation

The myoMOTION Data Logger produces results that are informative, not diagnostic.

Qualified individuals must interpret the results



Attention



The operator must be familiar with typical characteristics of the signals acquired by the

myoMOTION equipment and be able to detect anomalies that could interfere with proper

interpretation.

Noraxon U.S.A., Inc. myoMOTION Data Logger

P-6828 Rev A (Oct 2014)

Section 5: Getting Started



QuickStartGuide

To begin using the Data Logger, the user must charge the device using the USB A to mini-B

cable provided with the data logger. Once charged, it is necessary to setup the sensors, time and

date before a measurement can be taken.

Note: It is important to press the Save button after each step to ensure the data logger stores

the changes and it will work properly.

For the initial setup: turn the Data Logger on and Press OK to enter the Setup screen.

1. Setup Sensors

Assign Sensors

Enter the serial number of each sensor into the body

segment it will be attached to. This is also where the

footswitch sensors will be entered, if they are going to

be used.

Enable Sensors

Selects which sensors will be used in the recording

by selecting “ON”. Any sensors not enabled

(switched “OFF”) will not have any data recorded.

Note: Any sensors mistakenly enabled but not being used,

will either create an inaccurate record or give an error if the

data logger is not able to communicate with the sensor.

Footswitches

Adjust the sensitivity of the footswitches

Configuration

a. RF Channel – the radio frequency (RF)

channel can be set to anything from A to F.

This determines the frequency at which the

sensors will communicate with the data

logger.

b. Sample Rate – the sample rate can be set to

100 or 200Hz.

c. Enable Accel – turns acceleration on and off

Note: Research myoMOTION can measure 16 sensors at

100Hz with acceleration enabled, or 8 sensors at 200Hz

with acceleration enabled. Clinical myoMOTION can only

sample at 100Hz and does not have acceleration

capabilities.

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