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user manual

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Summary of Contents for FREEEMG 300

Page 1: ...BTS FREEEMG version 3 1 0e user manual english ...

Page 2: ...Document Number ERFNC 00782 01e Published October 2010 Copyright 2010 BTS SpA All Rights Reserved ...

Page 3: ...mponents 19 physical description 19 acquisition unit 20 PDA Personal Digital Assistant 22 wireless EMG probes 24 wireless FSW EGN probes 28 on off analysis optional 29 electrogoniometers optional 30 charger 31 docking station 33 installation 38 user PC minimum configuration 38 installation of the Wi Fi interface 38 description of the software on the user PC 40 switching on BTS FREEEMG 300 41 conte...

Page 4: ...ng the work mode 59 description of the main bars and menu 60 protocol 63 probes setup 64 digital oscilloscope gane 67 digital oscilloscope cross check 70 footswitches 72 Local button holter mode 74 Remote button lab mode 86 Download button 90 Config button 92 Exit button 101 BTS FREEEMG 300 updating 102 updating the onboard software 102 creating a backup image 103 maintenance and cleaning 105 appe...

Page 5: ...tions 109 appendix C power supply and switch off 110 appendix D battery 111 appendix E declaration of conformity 113 appendix F troubleshooting guide 114 1708 error Incorrect IP address or port set up 114 1709 error Impossibility to connect to the unit 115 backup restoring 115 ...

Page 6: ......

Page 7: ...uctions for the function This icon makes reference to a more detailed discussion of the subject in hand Symbol on the equipment and in the users instructions Symbol for the separate disposal of electrical and electronic equipment in accordance with Directive 2002 96 CE WEEE The equipment belongs to Group 8 medical equipment In force in the nations of the European Union Norway and Switzerland ...

Page 8: ...ta appearing next to the manufacturer s symbol refer to the place of manufacture of the equipment itself Symbol on the equipment The figure in the square indicates the insulation class and the part types used In accordance with Standard ISO 60601 1 the equipment has an internal power supply and the parts used are type BF Symbol on the equipment Symbol located next to the series number on the equip...

Page 9: ...C ID YQH BTSWEMG IC 9188A BTSWEMG FSWEGN probes FCC ID YQH BTSWAUX IC 9188A BTSWEMG Acquisition Unit contains FCC ID TFB MATRIXLP IC 5969A MATRIXLP This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undes...

Page 10: ...sified in the Business to Business sector The symbol of the crossed out rubbish bin indicates that the equipment must not be disposed of in normal domestic waste The regulations for disposal may differ between individual countries in the EU In cases of doubt refer to the respective sales outlet This is a battery powered equipment See Appendix D for information about the batteries used Operate and ...

Page 11: ...device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation FCC ID YQH BTSWEMG IC 9188A BTSWEMG XX XX XX BTSWAUX Internally powered device 0123 BTS SpA V le Forlanini 40 Garbagnate M se I 20024 Ital...

Page 12: ...ions must be assessed by people legally authorised by national law who possess the suitable necessary knowledge of anatomy and muscular function The uses of the device for other purposes and with methodologies different from of those indicated in this manual are not to be considered congruent with the precise use of the device Use the product according to the usage that it has been intended Avoid ...

Page 13: ...ance of the device in case of need always address to authorized technical support The use of any components different from the original ones declines the conformity of the device The instrument must be used in a medical environment since it has a high level of sensitivity measured voltage levels of between 1 microvolt and 6 millivolt During the preparation of the patient take particular care that ...

Page 14: ... is of course limited by the battery duration and by the memory available for the acquisition data storing the device uses lithium ion battery For the battery replacement and disposal please contact the technical support At any rate ensure that device component i e probes receiving unit integrity is never compromised The information contained in this manual is subject to change without notice and ...

Page 15: ...n from BTS S p A Unless otherwise specified any reference to companies names data and addresses used in the reproduction of the screens and the examples are purely incidental and has the sole purpose of illustrating the use of the BTS product All trademarks are registered by the respective owners This publication contains reserved information which is the property of BTS S p A The recipient acknow...

Page 16: ... FREEEMG 300 can be applied in research sports occupational medicine gnatology neurology and orthopaedics With the software tools available BTS FREEEMG 300 becomes an advanced diagnostic tool to evaluate neurological and orthopaedic disorders pharmacological therapy progression of motor deficits use of ortheses rehabilitative follow up and to optimize sports training programmes BTS FREEEMG 300 is ...

Page 17: ...w to use in very short time The friendly and intuitive interface makes the analysis laboratory immediately productive BTS EMG Analyzer is the most complete software solution for analysing electromyographic signals It includes predefined templates for evaluations in the clinical sports and research field Jump plyometrics walking fatigue analysis isokinetic etc BTS EMG Analyzer also has an editor fo...

Page 18: ...s Receiving Unit Acquisition Unit HP iPAQ hx4700 Pocket PC Belts for attachment to patient Stylus located in the Pocket PC Probes Kit up to 16 wireless probes identificative labels available in 4 different colors Access Point Set of disposable electrodes Acquisition Unit Pocket PC ...

Page 19: ...nd 2 FSW EGN The second unit is included in the standard kit only for FREEEMG with at least 12 probes or available as an option The optional Docking Station version is also available Accessories USB PDA cable AC adaptor RoHS conform Manuals BTS FREEEMG 300 user HP iPAQ PocketPC manual manual complete of CD and Companion CD ...

Page 20: ...ireless Probes 2 Connectors of 4 Switches 10 single Switches Electrogoniometer Kit 1 FSW EGN Wireless Probe 1 Electrogoniometer 1 Connector Supplementary Receiving Unit Secure Digital You will receive the instructions for use for other possible op tional components not mentioned in this manual ...

Page 21: ...esync connector battery door lock in lock position to switch on BTS FREEEMG 300 1 2 power button on off Compact Flash CF slot type II Secure Digital SD slot stylus pen 1 2 3 4 1 2 3 4 5 6 wireless probes system components LED WIFI solid blu WiFi Active LED charging and notification indicators blinking amber charging solid amber full charge VGA color display antenna service slot grip 1 2 2 5 2 4 3 ...

Page 22: ...al card is connected to the palmtop via the Compact Flash port when this is made to slide in the proper guide When the acquisition unit is connected to the palmtop the card communicates describing itself to the driver in operation and thereby allowing the system to self configure and to carry out a self diagnosis In addition to serving as a Compact Flash interface the card allows control ...

Page 23: ...n unit is able to handle up to 16 probes used for acquisition of the activity of the same number of electromyographic signals up to two probes of 4 auxiliary channels for switch connection used for the basographic acquisition As an alternative to the EMG channels it is possible to acquire up to 4 electrogoniometers each EGN occupies 2 analogue channels In particular the following probe combination...

Page 24: ...e exceptional graphics power and performance to display large dimension images at highest quality resolution HP hx4700 is fitted with excellent expansion capacity Compact Flash Type II and SD slot to provide more storage space and greater function range 64 MB of SDRAM and 128 MB of ROM memory allow a greater number of programmes and files to be stored while the 1800 mAh lithium ion battery ensures...

Page 25: ...23 BTS Bioengineering BTS FREEEMG system components For further details please refer to the HP iPAQ hx4700 Pocket PC Manual included ...

Page 26: ...e total absence of cables enables a much faster patient preparation drastically reducing the time of each session Each receiving unit can control up to 16 probes for a total therefore of 16 analysable muscles in a single exam standard configuration with one receiving unit Each probe consists of a mother electrode and a satellite electrode each fitted with a clip The two parts connected via a flexi...

Page 27: ...ED is on the probe is completely passive and does not respond to any command When the battery is fully recharged or when the probe is removed from the charger if sufficiently recharged it passes to the Inactive mode Inactive green LED which cyclically lights with a steady light for a few seconds every 3 minutes In the Inactive mode the probes cannot be used directly by the patient unit but are in ...

Page 28: ...tion the green LED flashes at regular intervals of approximately one second At the conclusion of the acquisition the probe returns to the Active Connected condition If during the acquisition connection to the receiver unit is lost the probe continues to acquire storing the data locally for one minute and at the same time scans the assigned channel trying to reconnect to the receiving unit If after...

Page 29: ...nal by means of Fine Wire electrods With this aim there are available in option adaptors allowing for the connection with Fine Wire electrods The EMG probes can be connected to them using the clips Each adaptor can be fixed to the subject by means of proper elastics For these applications the acquisition frequency must be setted on 4 KHz the giudelines recommend for Fine Wire electrods an acquisit...

Page 30: ... with one or the other probe and will receive from the same receiving unit information on its work modality during activation The probe consists of a single parallelepiped shaped block The upper face has an ID tag characterized by a colour Green Red Yellow Blue and a letter A B C D E or F and a status LED which operates similar to that described for the EMG probes see previous paragraph The two la...

Page 31: ...iameter 18 mm and thickness less than 0 5 mm expressly designed for applications in the analysis of movement The compact size of the instrument permits a maximum of flexibility in positioning on the patient s foot For applications other than gait analysis there are available on request smaller diameter 8 mm switch probes appliable for example to the finger and square useful for tapping tests 44 mm...

Page 32: ...pes of electrogoniometers the potentiometer and the strain gauge BTS FREEEMG 300 uses the strain gauge electrogoniometer of Biometrics LTD There are single axle models for the neck axial rotation and the forearm prone supination and biaxial models for other main joints wrist elbow knee ankle hip and back The strain gauge electrogoniometers are made up of two sensors connected to each other that ar...

Page 33: ...r Each receiving unit can handle up to 4 electrogoniometers The electrogeniometer channels are not supplementary to the 16 electromyographic channels but each electrogoniometer used engages 2 EMG channels Refer to Acquisition unit for the detailed list of probe combinations possible Charger The Charger included with the product charges the FREEEMG probes The Charger can simultaneously charge 8 EMG...

Page 34: ...n in the figure below For correct connection simply follow the outline of the probes shown on the base of the Charger The Charger comes with an output short circuit protection system also in case of reversed recharging poles At any rate poles connected incorrectly will not recharge To recharge connect all the probes that you would like to charge to the Charger follow the instructions described abo...

Page 35: ...y reset to use them again for acquisitions you need to repeat the activation procedure Docking Station optional As in alternative to the Charger an optional Docking Station is available This unit has additional features that are described below Each Docking Station can simultaneously charge 8 EMG probes and 2 FSW EGN probes Unlike the standard Charger each Docking Station will have to be powered s...

Page 36: ...case of reversed recharging poles At any rate poles connected incorrectly will not recharge The Docking Station also allows for recharging the receiving unit by connecting it with the relevant cable USB PDA cable in the USB port located on the rear panel It should be noted that you can use the Docking Station to recharge the PDA only when by pressing the power button the palmtop turns on Otherwise...

Page 37: ...so the internal batter of the unit itself The second method lets you recharge the probes and or the receiving unit when you are not at the laboratory and a mains power network is unavailable In particular with the battery fully charged you can fully recharge all the probes and receiving unit or fully charge the probes only twice To recharge a probe simply connect it as described in the method abov...

Page 38: ...ing indicates that the probes are charging Two situations can be verified in this case Status LED of the RED probe on The probe is charged less than 90 Status LED of the RED probe off The probe is more than 90 charged but still not complete It is important to remember that RED LED of the probe stays on until it is 90 charged This function allows you to have an indication on the full charge of the ...

Page 39: ...problem The Power LED is on GREEN light when the switch located on the rear panel of the Docking Station is ON and it is connected to the mains or if this is not the case the auxiliary battery is sufficiently charged The Docking Station has a lid which opens automatically by means of a spring brake mechanism which works by pressing close to the word Push located on the left shoulder of the unit Th...

Page 40: ...s to the Wi Fi network This type of connection is permitted using an Access Point supplied with the system An AP is an Ethernet device which works with devices present in a small area The AP starting point of the service operates from bridges between the wireless devices and the systems physically connected to the network with an RJ45 connector The AP transmits the signals to the surrounding area ...

Page 41: ...ded in the system is already configured with the network name SSID BTSFREEEMG300 with transmission on channel 6 The base configuration prepared in BTS factory settings uses the following IP addresses Access Point 192 168 1 1 BTS FREEEMG 300 192 168 1 2 Workstation assigned automatically by the Access Point You should always use the AP included even if the Workstation is equipped with a Wi Fi inter...

Page 42: ...ional A complete and highly flexible solution for making advanced elaborations of electromyographic signals and angular measurements of body segments Includes predefined templates for evaluations in clinics sports and research and an editor to develop customized elaboration protocols However BTS FREEEMG 300 is manageable by all BTS applications of SMART family dedicated to the motion analysis with...

Page 43: ...ut being forced or receives any sudden impact and avoid any excessive pressure on the palmtop screen To avoid damaging the Compact Flash we suggest only to remove the PDA from the AU only if necessary and in any case even if expressly requested it is suggested not to move it completely from its place but to let it slip just enough to disconnect it from the digital card more or less 1 cm event that...

Page 44: ... the BTS FREEEMG 300 shown in the diagram is in the position closest to the closed lock symbol If not move it to this position Switch on by actuating the button on the opposite side of the BTS FREEEMG 300 as shown here At this point wait until the application BTS FREEEMG 300 is completely charged On the BTS FREEEMG 300 display the following screen will be visualized ...

Page 45: ...ith the BTS FREEEMG 300 by means of Wi Fi protocol trought the Access Point see Installation of the Wi Fi Interface Verify that the local net resources are laid out like assumed in the configuration of default according to BTS the PC user IP address must assigned automatically by the Access Point Verify the software configuration installed on the PC To do so launch the program that you want to con...

Page 46: ...set up with the following connection parameters IP Address 192 168 1 3 Port 9000 If the values do not correspond change them and click on Update before closing the window Switch on the BTS FREEEMG 300 see switching on BTS FREEEMG 300 wait until the application of the acquisition management is completely loaded and select the remote application clicking on Remote If the Wi Fi connection between the...

Page 47: ...s in use and the correct display of data on the BTS FREEEMG 300 To do this activate all the EMG probes and if the system is also provided with footswitches two FSW EGN probes enabled as FSW to be tested all previously charged as indicated in Active Button When all the probes are shown to be active on the display select the Remote mode by clicking on the Remote button Select the defaul protocol and...

Page 48: ...abling as EGN a number of FSW EGN probes equal to the number of electrogoniometers included maximum 4 refer to Active Button When all the probes required are active go back to Remote mode by clicking on the Remote button From the Workstation prepare an acquisition protocol that entails the use of a number of EGN equal to those provided with your system and transfer it on the receiving unit see Cre...

Page 49: ...re standard equipment The procedure may be different if performed with other applications In this case refer to the specific manual of the software you are using To create a new protocol select Prepare protocol from the menu voice FREEEMG of Myolab A window will open which allows to create or modify protocols acquisition protocol ...

Page 50: ... analog channel electrogoniometer signals EGN each EGN employs 2 analog channels 8 on off analysis areas FSW Refer to Acquisition unit for the detailed list of probe combinations possible If you are working with two receiving units the FSW will always be assigned to the first unit In this case the protocol preparation window will appear as shown below To create a new protocol ...

Page 51: ...ield 1 enable the field putting the check near Enable choose the probe type Channel type to associate to the field selected among the available options Note that the protocols to use with BTS FREEEMG 300 must contain only EMG EGN FSW however if you select EMG it can only be the Surface type specify the field Signal description clicking on the arrow to enter the list select the body side which the ...

Page 52: ...elete the information in one field choose the equivalent Field and click on the Clear field button To modify an existing protocol in the box Select Protocol the protocols previously created on the PC are saved click on the arrow and select the desired protocol for the addition or modification of the signals follow the procedures recommended for the protocol creation to return to the original proto...

Page 53: ...displayed only the respective signals from the channels they are connected to For example if a protocol with 10 EMG channels has been created 8 associated with the first unit 2 with the second and the footswitches the protocol on the first unit will register 8 EMG channels and the FSWs while the protocol on the second unit will register only 2 EMG channels Only the enable signals Enable checked wi...

Page 54: ...tach the probes previously activated see Active Button to the electrodes using the appropriate clips Thanks to the special hardware architecture of the probes and the much reduced weight normally no extra fixing is required If the analysis protocol being used requires it proceed to the positioning of the footswitches to the respective contact areas When FSWs are used these are fixed to the skin of...

Page 55: ...ane parallel to the axes of the two body segments that make up the joint under investigation securing them to the patient s skin using the plaster or hypoallergenic double sided tape After positioning the sensors connect them by means of the appropriate connector to the corresponding preactivated probe Finally attach the probe and the switch box with the hypo allergenic adhesive tape close to the ...

Page 56: ...54 BTS Bioengineering BTS FREEEMG acquisition protocol After making all the checks it is possible to procede with the acquisition session ...

Page 57: ...and Exit In the lower right hand corner of the main screen there is the version num ber of the software installed on board Active button The Active button allows only those probes to be activated which are to be used during the acquisition and to assign each of these to a specific channel Click on this button to call up the following display guide to the use of onboard software ...

Page 58: ...gnals up to 2 can be selected at the same time and EGN up to 4 probes for collecting signals from the electrogoniometers A number or letter and the colour corresponding to the ID tag of the probe is shown next to each probe By clicking on Options and then Show probe ID you can pass from viewing by label to that for viewing by ProbeID identification code the code shown on the clip of each probe and...

Page 59: ...obe configurations can be activated for the detailed list of possible configurations see acquisition unit This procedure will be guided by the software disabling upon reaching a configuration limit all the checkboxes that can no longer be selected furthermore in the notification area at the bottom any time the maximum configuration for a type of probe EMG EGN or FSW is reached a warning message wi...

Page 60: ... reset any previously activated probes which will not be used An already active probe can be reused and does not require reactivation In this case it must be selected in the activation program but do not connect it to the Charger or Docking Station so it doesn t reset It is in any case necessary that the probes are sufficiently charged for the activation to succeed Click Start to initiate the prob...

Page 61: ...tivation probe will be automatically activated and all the other probes will be reset regardless of the charge level When a probe has been recognised and activated it will be highllight by a green rectangle as showen in the following figure When all the EMG EGN and FSW probes selezionate risultano attive are indicated as activated click Stop to terminate the activation procedure Finally click Exit...

Page 62: ...the desired mode you can enter the software of relative management In particular by clicking on the Local and Remote buttons you will see the following screens Description of the main bars and menu All of the BTS FREEEMG 300 pages have a button bar on the right and a status bar at the top Button Bar Local Acquisition Holter Mode Remote Acquisition Lab Mode ...

Page 63: ...f the 4 transmitters indicated with A B C D One transmitter can serve more than one probe When a probe is transmitting the LED of its corresponding transmitter turns steady green The status of the FSWs steady green LED if at least 1 FSW probe is active and recognised by the system battery level Main Menu Clicking on the menu button of the buttons bar you enter the main menu There are two menus one...

Page 64: ...o enter a page select the corresponding icon by clicking with the stylus on the desired function or by usnig the Up and Down Buttons lock up the palm by clicking with the stylus on the icon Lock Accomplishing this function will result in the following screen To unlock the palm clik on the Unlock button this will Lab Mode Menu Holter Mode Menu ...

Page 65: ...om the ones that you can find both in the Holter Mode and in the Lab Mode that have the same characteristics Protocol This item allows the user to select a protocol from the ones previously created by the user see Acquisition protocol In any case if a protocol hasn t yet been created it is possible to use the default protocol Selecting a protocol is achieved by scrolling through the list on the le...

Page 66: ... see the following screens In particular we can identify two zones the probe protocol association table The Probes area The table for each signal of the acquisition protocol previously selected in the protocol section shows the identifier of the assigned probe comprised of the colour and number letter of the label if no probe has been assigned the field is set on the type of probe Surface Footswit...

Page 67: ... Probes area rectangle at the bottom where the selected probes in the activator are listed and the state is described In particular the boxes associated to channels can have different colours Green the selected probe in the activator is connected to the RU and is assigned to a protocol signal the Status field of the protocol is OK Grey the selected probe in the activator is connected to the RU but...

Page 68: ... select the Probe field 3 choose among the available ones all the probes present in the probe area will be proposed the probe to pair to the highlighted signal 4 use toggle to select the description the whole row 5 move on the next description with the arrow Down and restart from point 2 to assign the channel to the next item Active fields Toggle Value range Select Description Signals List Probe 1...

Page 69: ... A 1 A 2 A 3 A 4 for the Right foot and B 1 B 2 B 3 B 4 for the Left foot Before starting acquisition the user needs to confirm that the Status of each protocol voice is OK Digital Oscilloscope gain With BTS FREEEMG 300 the user can set up to 3 different ranges of values to see the muscular contractions better To setting this value see Config Button The selectable values are S1 6 34mV S2 3 17mV S3...

Page 70: ...ring the contraction there are peaks in the orange zone or beyond it is necessary to increase the range the system will reduce the signal gain accordingly Keep in mind that the base range value will be the same for all signals acquired Therefore select the value that lets you best see the channels simultaneously without saturation If the selected range is insufficient to contain the entire signal ...

Page 71: ...scroll the diferent signals click on the Toggle to activate the Signal active field and select the protocol item desired by actuating the Up and Down buttons To make the signal visualization easier it is possible to use the Time active field by selecting it with the Toggle this allows to adjust the speed at which the signals run on the screen this is only for display purposes and will have no effe...

Page 72: ... prior to the actual acquisition of the signals that the electrodes have been positioned correctly The possibility of displaying two traces simultaneously prevents the problem of cross talk this phenomenon occurs as a detection of electrical activity on the trace of a muscle during a movement which should not involve the muscle in question Cross talk is occurring if for example during the movement...

Page 73: ... then Signal 2 field with the Toggle and scroll the signal list included in the protocol using the Up and Down buttons The current display can be enlarged or reduced via the zoom function this does not affect in any way the data being read The Time field can be used to vary the speed at which the signal runs on the screen again this has no effect on the reading but only on the display It is possib...

Page 74: ...spondence between the contact points indicated on the display and the movements done by the subject for example if with the right foot in stance the areas under the left foot of the display became red we suggest you to review the FSW channels setup selecting the menu voice Probes Setup Usually the Footswitches are used for studying the sole of the foot during ambulation Four points have been ident...

Page 75: ... body where you would like to record the moment of contact for example on a finger during pointing exercises In this case you should use a general Contact Area 1 Contact Area 2 in the protocol and in the FSW page refer to the rectangles located under the figure showing the foot to check that the probes are properly activated Local button Holter Mode In this mode the RU is completely independent an...

Page 76: ...mation about the patient To insert the patient data move up to the field to insert insert the value with the keypad each tap on the gender field will change from F to M and viceversa press OK to insert the patient into the database List of patients already included in the database of the BTS FREEEMG 300 List of sessions for the highlighted patient List of the tests of the highlighted session ...

Page 77: ...in light blue and the Delete and Modify buttons will appear Clicking on Modify a window will open that allows to modify the general information of this patient Click on Delete and immediately a window with the request to confirm the deletion will appear Clicking on Yes the trial will be removed from the database with all the related sessions and trials while if you choose No the deletion will be a...

Page 78: ...he session Press OK to add the session of the selected patient The default protocol is linked to the session to change the protocol click on the Menu button and enter the Protocol item see Protocol Cautious that it is not possible rather than to change protocol of a session when this has already got some acquisitions To continue working with the same patient but with a different protocol it is nec...

Page 79: ...odify buttons will appear Clicking on Modify a window will open that allows to modify the data related to this session Click on Delete and immediately a window with the request to confirm the deletion of the session and the relate trials will appear Clicking on Yes the session and the trials will be removed from the database with all the related sessions and trials while if you choose No the delet...

Page 80: ...e database with all the related sessions and trials while if you choose No the deletion will be aborted Acquisition to proceed with the acquisition in Local mode it is necessary to have created a new session and to have selected an analysis protocol or to have selected a session already in the database Proceed then with the operations described in the previous paragraphs Probes Setup Range Digital...

Page 81: ...possibile to indicate the Start and Stop mode the acquisition frequency and the type and notes of the test To edit the notes click on Edit Notes a window will open which allows you to edit the notes Introduce the note using the keyboard and then click on OK to confirm or on Cancel to come back to the previous screen without saving the text just typed ...

Page 82: ...ng Undefined Extra If you want to process the acquired tests using Myolab Clinic the Flag field must be different from Undefined All the other BTS Software don t make use of this data The acquisition starts by clicking on the Start button At the start up of the acquisition the BTS FREEEMG 300 automatically goes into Lock mode showing the following To unlock the palm click on the Unlock button this...

Page 83: ...osition Before quitting this mode the screen with the acquiring setup reappears but the Start or Arm button is substituted with the Unlock and Stop buttons The Unlock button allows to come back to the previous screen Clicking on Stop instead will end the acquisition At this point the following screen will be visualized ...

Page 84: ...ns just described If any other acquisition won t be executed select Exit from the menu Playback In the Holter mode it is possible to visualize a preview of the data acquired and saved in the database To do that from the menu select the voice Database and select the patient the session and the trial that you want to visualize clicking with the stylus on the correspondent line that will be underline...

Page 85: ...o improve the signal visualization adjust the active fields Zoom and Time selecting them with the Toggle and changing their value with the Up and Down buttons In particular the Zoom field allows increasing or reducing the current view area it acts on the axis of ordinates while the Time field allows changing the temporal value range showed on the axis of the abscissas choosing among a range of val...

Page 86: ...ole trial in the point correspondent to the first frame to visualize On the grey band at the two extremities are indicated the beginning of the trial that is 0 00 and the total length of it like in the example in the figure 0 34 that means 0 minutes and 34 seconds In the spot in which you tap a grey rectangle will appear in which will be indicated the correspondent time of the selected first frame...

Page 87: ...with the request to confirm the deletion will appear Clicking on Yes the trial will be removed from the database while if you choose No the deletion will be aborted Importing data to Myolab The data acquired in Holter mode is saved in a local database in the BTS FREEEMG 300 To execute the elaboration and the analisys of the data you need to import the test using the software Myolab software To do ...

Page 88: ...tion in the remote oscilloscope available in the applicative software data transfer at the end of acquisition the duration of acquisition and the Start Stop are controlled by the PC Selecting Capture from the main menu the following screen appears This screen displays some information concerning the system Status Ready mode Mode Stand Alone Data None To make an acquisition in Lab mode there must b...

Page 89: ...the Data field will be Ready If you want it is possible to recover the lost data saved in the RU before proceeding with the new acquisitions downloading them on the Workstation using the Myolab software To know the download procedure consult the manual of Myolab Otherwise the data will have to be deleted and cannot be retrieved in the future To delete the data click on the Delete button by doing t...

Page 90: ... possible to set the acquisition frequency using the Up and Down button of the button bar Active fields Toggle Value range Select Acq Frequency 1KHz 2KHz 3KHz 4KHz To prepare the system for capture it is necessary to arm it by simply tapping the Arm button that will be replaced by the Lock and the Cancel buttons now it is possible to make the acquisition via remote control At this level it is not ...

Page 91: ...y clicking on Lock directly by this window therefore at the beginning of the acquisition the BTS FREEEMG 300 locks automatically displaying The acquisition starts up through the remote control directly by the Workstation This display will remain on the BTS FREEEMG 300 until the acquiring session is over It s possibile to interrupt the acquisition remotely and proceed with the next ones At the end ...

Page 92: ...Finally to quit from the Armed status click on the Cancel button For the details of the remote management of the acquisition from the WS refer to the specific manual of the software meant to be used Download Button If the Holter mode is chosen local acquisition the acquisitions are saved in a local database to BTS FREEEMG 300 To elaborate the acquired data with the dedicate softwares installed on ...

Page 93: ... download all the files that you are interested in For further details concerning the data download refer to the user manuals of Myolab software The data import takes place with a wireless connection if the import operation fails you need to verify that the RU and WS are connected see Appendix C troubleshooting guide When the download is finished on the BTS FREEEMG 300 keep pressing the Exit butto...

Page 94: ...our and number letter setting of the signal range setting the radio channels utilising the probes Database Datbase managment Maintenance section permitted only to BTS Technician staff for assistance For this reason to access this area a Password is required To execute any changes of the parts that can type on it is possible to use the touch screen features of the display and where necessary activa...

Page 95: ...necessary to restart the BTSFREEEMG300 application to see these changes applied for example when you change the language Let s analyze now more in depth the four tabs that the user can modify Info Clicking on the Config button on the main screen it automatically selects the application screen in which the tab Info is selected On this page it is possible to read all the information about the versio...

Page 96: ...ut any noise instead of what normally happens when for example you Tap on a button or activate an acquisition Lock on Capture Checking this voice when an acquisition starts the BTS FREEEMG 300 will be automatically locked showing the Unlock button Video off on Capture if checked the display automatically will switch off at the acquisition beginning To activate the screen again a click on one of th...

Page 97: ...l The ID is shown on the clip of every EMG probe and on the back of every FSW EGN probe Up to 16 EMG probes and up to 4 FSW EGN probes can be registered Probes that are not registered in this section will not be recognized by the Receiving Unit and therefore may not be used for acquisitions Generally the system is distributed to the customer with this association already made However it could be u...

Page 98: ...to the label could cause an exchange of acquisition signals as well and therefore cause false results in the Electromyographic examination Follow the procedure below to register a probe that has not been introduced Enter the ID of the probe using the keypad that can be activated on the bottom right hand side of the page If the string entered is not admissible or has already been entered the softwa...

Page 99: ...ftware Finally select the number or letter shown on the probe s label number selection from 1 16 letter selection from A F If the label identified by the colour number or letter combination has already been used the software will highlight the ID string in red ...

Page 100: ...wo other sections may be accessed The Signal section allows to select the Range for electromyographic signals 3 different value are available 6 34mV 3 17mV 1 62mV From the Radio Channels section the ZigBee channel with which to work can be assigned to the activator and the four transmitters ...

Page 101: ... section it is possible to select the current database to create new databases to delete and rename existent databases There are two list boxes the first one Media allows the selection of the box in which the database can be found or to insert a new one In particular there are two possible medias the flash memory internal to the Pocket PC and the Secure Digital card If the latter is not present a ...

Page 102: ... the database to use Mind that if the selected Media is empty it is necessary to create a new one To create a new database click on New The new database will be created with the default name TrialsDB To change the name select it and click on Rename To delete a database select it and click on Delete This operation removes completely the database and all its content patients sessions and trials Fort...

Page 103: ...101 BTS Bioengineering BTS FREEEMG guidetotheuseofonboard software of the operative system installed on the PDA To do that it is enough to press and hold the Exit button for few seconds ...

Page 104: ...d Slide the PDA out of the methacrylate guide enough to disconnect the Compact Flash Connect the PDA via the dedicated cable to the USB port of the WS On the WS from Windows run the update program launching the BTSFREEEMG300Setup exe file and follow the video instructions till the update is complete Reinsert the PDA in the AU Restart the BTSFREEEMG300 application on the BTS FREEEMG 300 from the St...

Page 105: ...software and bring the BTS FREEEMG 300 to the standard configuration it will be enough to proceed with the restore of the last backup done see Appendix D Troubleshooting guide To do the backup proceed as follow exit from the BTSFREEEMG300 application holding the button Exit for some seconds select Start and then Programs among the installed programs choose iPAQ Backup with the stylus tap on Restor...

Page 106: ...en Programs among the installed programs choose File Explorer click on the arrow that appears on the grey bar under the title File Explorer and choose Device open the folder iPAQ File Store look for the backup file just created that will have a name like Backup_2007 07 15 where the date is the one during the backup time with the stylus tap and hold for few seconds on the backup file icon till when...

Page 107: ...l electrodes which being single use disposable intrinsically guarantee a sufficiently high level of hygiene Generally you use hypoallergenic band aid or hypoallergenic double sided tape to apply the Footswitches in correspondence of the foot contact points At the end of each work session it is important to carefully remove every glue or gel residual from these parts and from the probes After each ...

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Page 109: ...m ion Dimensions 17x36x8mm mother electrode diameter 17 x 8mm satellite electrode Weight 9g battery included Frequency used ISM band 2 4GHz standard IEEE802 15 4 Input impedance 10 GOhm CMMR 110 dB 50 60Hz Resolution 16bit Acquisition frequency up to 4KHz Sensitivity 1μV Accuratezza di misura 2 Receiving Unit Autonomy up to 24h with rechargeable battery up to 9h with single battery Battery recharg...

Page 110: ...ring BTS FREEEMG appendix Weight 360 grams Frequency used ISM band 2 4GHz standard IEEE802 15 4 and IEEE802 11b Display 4 VGA colour touch screen The system is calibrated at the factory No further calibration is required ...

Page 111: ...e Operating Temperature 20 45 Operating Humidity 50 80 Relative non condensing Storage and Transport Temperature 0 40 Storage and Transport Humidity 50 80 Relative non condensing Altitude 0m 2000m Degrees of protection provided by the dengerous enclosures of water and dust IEC 60529 IPX0 ...

Page 112: ...ts battery Guarantee the galvanic insulation of the Receiving Unit from the power To switch off the system the following operation must be done Stand By of the Receiving Unit 1 push the graphical button MENU and then select Exit to quit the application 2 set the Receiving Unit state on stand by by clicking on the switch on off button of the PDA Stand By of the Probes place the probes on the Charge...

Page 113: ...e equipped with battery protection circuit to over voltage threshold 4 3V under voltage threshold 2 8V short circuits The specific characteristic of the different components of the system equipped with the battery are Receiving Unit Quantity 1 per each unit Technology lithium ion Li Ion Removable yes by removing the PDA from the acquisition unit Wireless Probes Quantity 1 per each EMG or FSW EGN p...

Page 114: ...112 BTS Bioengineering BTS FREEEMG appendix Docking Station opzional Quantity 1 for each unit Technology lithium polymer Li Poly Removable NO BTS technical service is required ...

Page 115: ...113 BTS Bioengineering BTS FREEEMG appendix E declaration of conformity ...

Page 116: ...ter values need to be re input To do this launch the software that you are going to use and then by the menu voice FREEEMG select IP and Port Config Verify that the IP address and the port setting are correct The values to specify are the following IP Address 192 168 1 2 Port 8000 and if a second receiving unit is available IP Address 192 168 1 3 Port 9000 If necessary correct the values and click...

Page 117: ...it may be necessary to remove and reinsert the power cable If on the rear of the model there is a selection button verify it is on position AP Workstation If the Workstation is fitted with a Wi Fi interface check it is active and connected to BTSFREEEMG300 As the connection is through the AP check that the LAN local area network is active BTS FREEEMG 300 The Wi Fi connection is active only when th...

Page 118: ...operations required by the system that consists in the execution of some simple exercises like the stylus pointing to execute a copy and paste etc for further details refer to the PDA manual When all these operation are finished the windows main screen will be visualized and it will be possible to proceed with the restoring of the last backup To restore the backup follow these instructions select ...

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Page 120: ...Forlanini 40 20024 Garbagnate M se MI Italy tel 39 02 366 490 00 fax 39 02 366 490 24 R D centre via della Croce Rossa 11 35129 Padova PD Italy tel 39 049 981 5500 fax 39 049 792 9260 www btsbioengineering com info bts it ...

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