PROMETHEUS MR-20 Operator'S Manual Download | Manualshive

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MR-20™

USB Operator’s Guide

Page 6 of 39

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This device is not intended for use with anesthetic gases mixed with air, oxygen or
nitrous oxide. Danger of electrical ignition.

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Be sure to read this operator’s manual before using this device.

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Use only electrodes from The Prometheus Group with your Pathway device. Any other
electrodes may not be compatible with the Pathway device.

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Do NOT immerse any part of this device in any fluid.

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To reduce the risk of electrical shock, do NOT connect any preamplifier, lead wire, electrode,
or any other component to a wall outlet.

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Do NOT leave electrodes attached when device is not in use.

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To reduce the risk of electrical shock, do NOT open the instrument’s housing. Refer servicing
to qualified personnel only.

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Disassembly of equipment by unauthorized personnel will void the instrument’s warranty.

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The following practices may be dangerous and void any guarantee(s) and obligations for The
Prometheus Group: (1) The device is not used according to the enclosed manuals and other
accompanying documentation; (2) The device is modified by persons other than The
Prometheus Group Service Technicians; (3) Do not use accessories, consumables and
components not supplied or approved by The Prometheus Group.

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Use only batteries with this device, do not use any type of line-powered adapter.

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For the treatment of incontinence do not attempt to use this device concurrently with
stimulation being supplied from an electrical muscle stimulator.

Equipment & Accessories

Before using the MR-20 for the first time, carefully open the packing carton and confirm that all
equipment and accessories listed below are included and agree with the packing List/Invoice. If there
are questions about the contents or you wish to order additional supplies, call Customer Service, Toll-
Free: 1-

800-442-2325

in the U.S.A. and Canada,

+1 (011) 603-749-0733

international, or Fax:

1-

603-749-0511

. Customer Service Representatives are on duty between 9:00 a.m. and 5:00 p.m.,

Eastern Time.

Contents

The Pathway MR-20 kit contains the following items:

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The Pathway MR-20 module

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Two preamplifier cables for EMG A & EMG B

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One USB cable

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One 9 volt alkaline battery

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One sample package of 6750 electrodes

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One carrying case

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Operator's Manual

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Summary of Contents for MR-20

Page 1: ...ire 03820 FOR ASSISTANCE CALL YOUR LOCAL SALES REPRESENTATIVE DISTRIBUTOR OR THE PROMETHEUS GROUP AT 800 442 2325 IN THE U S AND CANADA OR 603 749 0733 INTERNATIONAL FOR TELEPHONE TECHNICAL SUPPORT CALL 800 272 8492 IN THE U S AND CANADA OR 603 742 6053 INTERNATIONAL WEBSITE www theprogrp com E MAIL info theprogrp com ...

Page 2: ...ICE SESSION 12 CABLE CONNECTIONS 12 CHAPTER 2 14 OPERATION 14 Start up Display 14 MR 20 Overview of Features and Operation 15 Running Training Sessions 17 Continuous Mode 17 Work Rest Mode 17 Training Session 19 SETTING A GOAL 19 Selecting WORK REST MODE 20 RUNNING SESSIONS 21 VIEWING A SESSION 21 CLEARING ALL SESSIONS 21 Setting the Feedback Mode 22 Feedback Modes 22 Above and Below Goals 23 Chan...

Page 3: ...The Prometheus Group Inc and is protected by the copyright laws of the United States international copyright treaties and all other applicable national laws Any unauthorized use reproduction or transfer of any information in this document is strictly prohibited This document contains information regarding technology that is protected under one or more United States patents and other pending United...

Page 4: ...evice The user should not attempt to service the instrument beyond that described in the MR 20 Operator s Guide Refer all other servicing to qualified service personnel Please call 1 800 272 8492 in the U S A and Canada or 1 011 603 742 6053 international or e mail S SE ER RV VI IC CE E I IN NF FO OR RM MA AT TI IO ON N support theprogrp com The instrument should be serviced by qualified service p...

Page 5: ... assessed or treated using this technique include stress incontinence mixed incontinence and urge incontinence C CO ON NT TR RA AI IN ND DI IC CA AT TI IO ON NS S Do not use this device for treatment of incontinence in the presence of any bladder infection vaginal infection or during pregnancy C Ca au ut ti io on ns s Prior to using this device be sure to read the Pathway Device Operator s Guide f...

Page 6: ...ng to the enclosed manuals and other accompanying documentation 2 The device is modified by persons other than The Prometheus Group Service Technicians 3 Do not use accessories consumables and components not supplied or approved by The Prometheus Group Use only batteries with this device do not use any type of line powered adapter For the treatment of incontinence do not attempt to use this device...

Page 7: ...our LEDs to enhance goal success Two up and down arrow keys to position the goal arrow on the LCD for each channel and An A and B key to define EMG A and B goal type direction and control special functions THE REAR PANEL On the rear of the unit A clip for attaching the MR series unit to belt or clothing 9 volt battery compartment the unit s serial number is located inside To install or change the ...

Page 8: ...n the display becomes active Phone This output allows the user to connect an optional headset with a mono mini plug and will allow the audio feedback to be heard only by the person wearing the headset Stim Out This output will accept any functional stimulator that has an accessory or manual input jack for activating EMG controlled stimulation A Functional Stimulator Interface Cable connects betwee...

Page 9: ...l pad to avoid high impedance artifact Wipe dry with a tissue or cloth Snap the Pathway Preamplifier part 2583 onto one of the Pathway Electrodes part 6750 taking care to orient the snaps correctly Verify all three snaps are secure Carefully remove the backing of the Pathway part 6750 Electrode and place the two labeled ACT active over the bulk of the muscle with the length of the electrode parall...

Page 10: ... of the Pathway Adapter part 3660 INTRACAVITY VAGINAL RECTAL EMG STIMULATION SENSORS Pathway 6330 Vaginal Sensor Pathway 6340 Rectal Sensor Internal Connect either the Pathway 6330 Vaginal EMG Stimulation Sensor or the Pathway 6340 Rectal EMG Stimulation Sensor into the Pathway Adapter see previous image Make certain orientation of connector matches input jack push firmly do not twist Refer to the...

Page 11: ...lectrodes part 6801 Remove the Easytrode Pregelled electrodes part 6801 individually As shown in the example below place the two red active lead wires at the 4 and 10 o clock positions around the anus Place the green reference ground lead wire over the ischial tuperosity or buttocks muscle Make certain orientation of 24 electrode lead wire connector matches Pathway Adapter input jack push firmly d...

Page 12: ...ations Rest your target muscle arm The channel A bargraph should read 5 or under 2 or 3 is not uncommon Contract your muscle The reading on the bargraph should increase The continuous mode could be used to check a patients Resting Baseline by instructing the patient to relax and reading the bargraph C CA AB BL LE E C CO ON NN NE EC CT TI IO ON NS S Use illustrations to connect cables electrodes an...

Page 13: ...MR 20 USB Operator s Guide Page 13 of 39 w ww ww w t th he ep pr ro og gr rp p c co om m ...

Page 14: ...r If the Pathway MR 20 is to be used in an unsupervised environment such as the home it can be LOCKED so that none of these parameters may be changed Thus the patient must perform the preset training protocol In this case the MR 20 would display MODE LOCKED Locking and unlocking the MR 20 is explained in the Special Functions section On the display see above example the VER 3 00 refers to the curr...

Page 15: ...moved the saved training session data will be preserved as will all LOCKED mode parameters M MR R 2 20 0 O Ov ve er rv vi ie ew w o of f F Fe ea at tu ur re es s a an nd d O Op pe er ra at ti io on n MR 20 Operation in a nutshell To Set an A Channel Goal press the A key Repeatedly To Change Goal Press the Up and Down Arrows To Set B Channel Goal Press the B key Repeatedly To Change Goal Press the ...

Page 16: ...MR 20 USB Operator s Guide Page 16 of 39 w ww ww w t th he ep pr ro og gr rp p c co om m ...

Page 17: ...ished beep will occur at the end of one minute to indicate this When the MR 20 is turned off and back on the next session will automatically begin The maximum length of each CONTINUOUS mode training session is 60 minutes At the end of this time the MR 20 will beep and the display will be TURN THE MR 20 OFF WHEN THIS MESSAGE APPEARS WORK REST MODE In the WORK REST mode the Pathway MR 20 will begin ...

Page 18: ...k period of each trial can be set between 3 and 180 seconds The rest interval between trials can be set between 0 and 180 seconds The number of trials in the WORK REST session can be set between 1 and 20 A WORK REST mode training session is defined very simply WHEN THE MR 20 IS TURNED ON AND THE FIRST WORK PERIOD IS COMPLETED A NEW TRAINING SESSION IS SAVED IN MEMORY This is true even though the f...

Page 19: ...escribed in the section Attaching the Preamplifiers Note how the moving bar display ascends and descends as the hand and wrist muscles are contracted and relaxed Because EMG is essentially a logarithmic function this type of scaling is used for the moving bar display As a result the movement of the bar relates directly to the change in muscle activity The changing digital numbers represent microvo...

Page 20: ...DE E Press the A key and the B keys at the same time for approximately 4 seconds A Patient Data B Setup will be displayed Press the B key Setup Press the A key Timing Press the A key Session Timing Press the A key Work Rest After 3 seconds you are prompted to change the Work Period 10 Seconds Select the desired work time by pressing the up or down arrow keys After 3 seconds you are prompted to cha...

Page 21: ...off unit to save session NOTE Always set goal FIRST V VI IE EW WI IN NG G A A S SE ES SS SI IO ON N then set Work Rest Mode Press the A and the B keys at the same time or approx 4 seconds Press the A key Patient Data Press the A key Review Data Press the A key Display Data Press the up down arrows to select proper session Current Session will be displayed Time of session will be displayed Average ...

Page 22: ... choices are 1 A ABOVE TONE audio feedback when contracting above goal 2 A BELOW TONE audio feedback when inhibiting below goal 3 A ABOVE STIM stimulator activation when contracting above goal 4 A BELOW STIM stimulator activation when inhibiting below goal 5 A MAX DISPLAY the maximum value measured is displayed in the digital display until reset by a keypress 6 A RATIO A B the ratio of EMG A divid...

Page 23: ...here is no confusion on the patient s or therapist s part as to what constitutes success Similarly if a STIM goal is selected for a single channel and the EMG activity meets or exceeds the goal for the SUCCESS TIME the stimulator will be activated If STIM goals are selected for BOTH channels and the EMG activity meets or exceeds the goals for BOTH channels simultaneously for the SUCCESS TIME then ...

Page 24: ...ll as the ratio This mode generates a very clear comparison of the activation of one muscle to another It may be used in bilateral training comparing a muscle on the left side to the same one on the right It also may be used to train activation of one muscle while inhibiting an opposing or substituting muscle The ratio goal is an ABOVE TONE type of feedback with a tone generated when the ratio goa...

Page 25: ...he data of up to thirty two training sessions in its memory storage area This memory is non volatile meaning it will be preserved EVEN IF THE BATTERY IS DISCONNECTED The battery can be replaced with no danger of losing the stored training sessions As discussed in the Running Training Sessions section a training session is generated when the MR 20 is on and in the real time EMG display for more tha...

Page 26: ...wnload the data from all stored training sessions access the special functions mode immediately after turning on the MR 20 R Re ev vi ie ew wi in ng g t th he e C Cu ur rr re en nt t S Se es ss si io on n D Da at ta a To review the current session data go into the special functions mode and select A PATIENT DATA As long as the MR 20 has been turned on long enough to create a valid current session ...

Page 27: ...or the number of trials completed on the second line The percent goal success represents a TONE goal selection If STIM were selected the display would show the number of times the stimulator was activated If MAX MODE were selected MAX DISP would be shown and if no goal were selected the display would read NO GOAL Press the B key to reveal the data for the same session for EMG B and press the A key...

Page 28: ...o regularly clear the memory storage area Before doing this make sure that the data from training sessions has been either written down or transferred downloaded to a PC computer After selecting B CLEAR DATA the display will read Pressing the A key will erase the data of all the training sessions stored in memory so be sure that this is the desired choice If this is not the desired choice simply w...

Page 29: ...ey is pressed the mode will not be changed and the screen will soon return to the active EMG display The WORK REST mode as described in the Running Training Sessions section is the mode which will include a set number of active work periods separated by rest intervals To select this mode press A WORK REST Note that the active selection indicator will shift and now point to the A WORK REST choice A...

Page 30: ... minimum and set to CONTINUOUS stimulation Once it is verified the stimulator is working correctly plug one end of the stim interface cable into the stimulator accessory jack and the other end into the STIM OUT jack of the MR 20 The stimulator should now be controlled by the MR 20 in the stim feedback mode If the stimulator is ON when it should be OFF change the polarity of the stim relay in the M...

Page 31: ... goal success necessary to activate the stimulator and may be set from 1 to 25 seconds Use the up and down arrow keys to increase or decrease the new GOAL SUCCESS time When no key is pressed for a few seconds the next screen will appear The STIM ON TIME is the number of seconds the stimulator will be activated when the GOAL SUCCESS time criteria is met Use the up and down arrow keys to increase or...

Page 32: ...N Note that the active selection indicator will shift and now point to the A OPEN This will allow the MR 20 and the functional stimulator to work properly together if the CLOSED setting did not work correctly The relay may be CLOSED in a similar manner In a few seconds the screen will return to the active EMG display S St ti im mu ul la at to or r A Ac ct ti iv va at ti io on n If STIM is selected...

Page 33: ...imilarly if no key is pressed the mode will not be changed and the screen will soon return to the active EMG display To select the LOCKED setting press A LOCK VALUES Note that the active selection indicator will shift and now point to the A LOCK VALUES If LOCK VALUES is chosen the display will read At this point turn the MR 20 off and then back on Note that the MR 20 start up screen now reads MODE...

Page 34: ...o alternative start up modes available Demonstration Mode Slow Mode and Custom Settings Mode These are activated by holding down one of the keys while turning the MR 20 on DEMONSTRATION MODE One of the modes is the Demonstration or Slow mode All of the menus in the Special Functions Mode have a time delay during which the choices remain on the screen The length of time is a tradeoff between allowi...

Page 35: ... 20 on while holding down the B key All of the goal and timing values will remain just as if the MR 20 were in the LOCKED MODE NOTE This must be done each time the unit is turned on to be active U Us si in ng g t th he e M MR R 2 20 0 w wi it th h a a C Co om mp pu ut te er r INSTALLING SOFTWARE Software requirements for Installations Widows XP Professional or Windows 7 0 Professional Synergy 3D S...

Page 36: ...performed for Real Time usage Connect the MR 20 to the computer using the USB Cable provided Connect the USB Cable into the port on the MR 20 labeled Serial and then connect the other end of the USB Cable into the computer utilizing an available USB port The MR 20 unit is now ready to use with the computer if the software has been installed ...

Page 37: ...___ _____ _____ _____ ______________________ 15 ______________________ _________ _____ _____ _____ ______________________ 16 ______________________ _________ _____ _____ _____ ______________________ 17 ______________________ _________ _____ _____ _____ ______________________ 18 ______________________ _________ _____ _____ _____ ______________________ 19 ______________________ _________ _____ _____...

Page 38: ... order electrodes for any Pathway device please call your dealer or The Prometheus Group sales office at 800 442 2325 For surface EMG applications the compatible electrodes order numbers are from The Prometheus Group 6750 Pathway Electrodes bag of 100 for the Pathway preamplifiers and 6801 Easytrode Electrodes bag of 150 for individual lead wires 24 Electrode lead wires For incontinence applicatio...

Page 39: ...r approved by The Prometheus Group or other cause other than normal usage including but not limited to operator error failure of other user supplied equipment and equipment operation in excess of design specifications is excluded from service under this warranty C Loss due to fire flood robbery burglary theft vandalism radioactive contamination or other natural disasters or Acts of God is excluded...

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