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Mettler Electronics Sys*Stim 294, Instruction Manual

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Sys*Stim 294 Instruction Manual—

 

Rev.F_09/13/17 

23 

 

Interferential—

Continuous

 

Premodulated—

Continuous,

 

Surge and Reciprocation

 

Medium Frequency, 

Russian

—

Continuous,

 

Surge and 

Reciprocation

 

Biphasic—

Continuous,

 

Surge and Reciprocation

 

High Volt—

Continuous and Surge

 

Microcurrent—

Continuous 

 

1 0   1 0

min              s

s

s

Hz

 

Surge Mode—

Press Surge selector until you see the On/Off duty cycle that 
you would like to use. Press the

 key to accept the values. 

Preset On/Off choices are 10  10, 10  20, 10  30, 10  40,  
10  50 and 10  60.  
If you press the Surge selector one more time after “10  60” is 
displayed, a single number is displayed. This represents the 
last On time that was programmed. To change the number, 
use the numeric keypad to enter a new value followed by the 

 key. The Off time is then displayed, enter a new value 

followed by the 

 key. 

 

           1 0

min              s

s

s

Hz

 

Reciprocation Mode—

To setup a Reciprocation program you must have stimulation 
setup for two-channel operation. If Channel 1 is lit, press 
Channel 2. If Channel 3 is lit, press Channel 4. 
Press the Reciprocation key. Enter a value from 2 to 240 and 
press the 

 key. 

 

Surge + Reciprocation—

Press Reciprocation key. Press the 

 key. Press the Surge 

key until you see the On/Off time you want to use. Press the 

 key. 

1 5. 0 0

min              s

s

s

Hz

1

2 3

4 5 6
7 8 9

0

 

6.

 

Enter the treatment time using the numeric keypad. The 
maximum treatment time is 60 minutes. If you do not enter a 
time, the time will count up during a treatment session, but 
will not exceed 60 minutes. 

 

7.

 

Apply the electrodes to the patient. Attach the electrode 
cables to the electrodes. 
 
 
 
 
 
 

Summary of Contents for Sys*Stim 294

Page 1: ...na Street Anaheim CA 92805 U S A Toll Free 800 854 9305 Telephone 714 533 2221 FAX 714 635 7539 Web Site http www mettlerelectronics com Email mail mettlerelectronics com IR7 98 Rev F_09 13 17 Copyright 1999 2017 by Mettler Electronics Corp Anaheim CA ...

Page 2: ...Mettler Electronics Corp Rev F_09 13 17 2 ...

Page 3: ...ation Set up Procedure 21 4 4 Electrode Positioning 25 5 Indications Contraindications Precautions and Adverse Reactions 29 5 1 Indications for Neuromuscular Electrical Stimulation 29 5 2 Contraindications for Neuromuscular Electrical Stimulation 29 5 3 Warnings for Neuromuscular Electrical Stimulation 30 5 4 Precautions for Neuromuscular Electrical Stimulation 30 5 5 Side Effects Adverse Reaction...

Page 4: ... membrane panel and LED indicators 19 4 2 Electrode Sizes and Current Density 20 4 3 Quadpolar Electrode Placement Technique 25 4 4 Bipolar Electrode Placement Technique 26 4 5 Monopolar Electrode Placement Technique 26 4 6 Using the Pencil Electrode 27 8 1 Interferential Waveform 37 8 2 Premodulated Waveform 38 8 3 Medium Frequency Russian Waveform 39 8 4 Biphasic Waveform 39 8 5 High Volt Wavefo...

Page 5: ...ated modes offer frequency modulation as well as a static frequency option Figure 1 1 Sys Stim 294 The membrane panel provides both tactile and audio feedback when buttons are pressed Blinking LED s guide you through the easy setup routine The new Treatment Status Indicator shows you which stimulation waveform has been chosen for treatment The status display moves when treatment output is active L...

Page 6: ... The specifications and instructions presented in this manual are in effect at the time of its publication These instructions may be updated at any time at the discretion of the manufacturer Please fill in the warranty card to assure that you will be updated on changes should that become necessary You may also go to our website at http www mettlerelectronics com product registration to register yo...

Page 7: ...etain all shipping materials in the event that you will need to return your unit for servicing NOTE All warranty repairs are to be performed by Mettler Electronics Corp or an authorized Mettler Electronics warranty repair center 1 6 Package Contents Your new Sys Stim 294 comes complete with all the necessary components to perform neuromuscular electrical stimulation Below is a list of items that a...

Page 8: ...ey are limited in duration to one year Mettler Electronics Corp shall not be liable for any indirect special consequential or incidental damages resulting from any defect in or use of the Product Any legal action brought by the buyer relating to this warranty must be commenced within one year from the date any claim arises and must be brought only in the state or federal courts located in Orange C...

Page 9: ... The time or the frequency will be displayed in the numeric time display Treatment Status Indicator 1 2 3 4 Channel display indicator and selector 1 Numeric keypad for time frequency or phase duration entry Starts treatment and stimulation output Stops treatment for the treatment displayed in timer window or acts as an Enter button during treatment setup Stops all stimulation output Interferential...

Page 10: ... microcurrent waveforms Amplitude modulation Vector rotation used for interferential waveform only Continuous stimulation selector Surge selector to set on and off times Reciprocation selector use for channel pairs 1 2 or 3 4 Stimulation output displays 00 0 LED s that display the output intensity during a treatment When the unit is in the Hold mode for electrical stimulation will be displayed 1 3...

Page 11: ...r waveform type to be selected Interferential waveform selected Display will move to the right when the outputs are active Interferential vector rotation control selected Display appears to rotate Premodulated waveform selected Display will move to the right when the outputs are active Medium frequency Russian waveform selected Display will move to the right when the outputs are active Biphasic wa...

Page 12: ...l move to the right when the outputs are active 2 3 List of Abbreviations Hz Hertz pulses per second LED Light Emitting Diode A Microampere 1 x 10 6 ampere s Microsecond 1 x 10 6 second mA Milliampere 1 x 10 3 ampere ms Millisecond 1 x 10 3 second min Minutes s Seconds S N Serial Number ...

Page 13: ...of attaching to a wall outlet 4 Plug the electrode cables ME 2260 into the electrode cable connections as seen in Figure 3 2 5 The Sys Stim 294 may be susceptible to interference originating from shortwave diathermy units operating in close proximity to it Avoid operating the Sys Stim 294 adjacent to and simultaneously with operating shortwave devices 6 Do not use sharp objects to operate the memb...

Page 14: ...ernal components may result in increased EMISSIONS or decreased IMMUNITY of the Sys Stim 294 Guidance and manufacturer s declaration electromagnetic emissions The Sys Stim 294 is intended for use in the electromagnetic environment specified below The customer or the user of the Sys Stim 294 should assure it is used in such an environment Emissions Test Compliance Electromagnetic environment guidan...

Page 15: ...1000 4 5 1 kV differential mode 2 kV common mode 1 kV differential mode 2 kV common mode Mains power quality should be that of a typical commercial or hospital environment Voltage dips short interruptions and voltage variations on power supply input lines IEC 61000 4 11 5 UT 95 dip in UT for 0 5 cycle 40 UT 60 dip in UT for 5 cycles 70 UT 30 dip in UT for 25 cycles 5 UT 95 dip in UT for 5 seconds ...

Page 16: ...s from fixed RF transmitters as determined by an electromagnetic site survey a should be less than the compliance level in each frequency range b Interference may occur in the vicinity of equipment marked with the following symbol NOTE 1 At 80 MHz and 800 MHz the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorp...

Page 17: ...Hz d 2 3 P 0 01 0 12 0 12 0 23 0 1 0 38 0 38 0 73 1 1 2 1 2 2 3 10 3 8 3 8 7 3 100 12 12 23 For transmitters rated at a maximum output power not listed above the recommended separation distance d in meters m can be estimated using the equation applicable to the frequency of the transmitter where P is the maximum output power rating of the transmitter in watts W according to the transmitter manufac...

Page 18: ...Mettler Electronics Corp Rev F_09 13 17 18 ...

Page 19: ...ly encourage careful maintenance of the electrode system This includes the lead wires as well as the pads themselves Worn cables and or poor pads or the wrong sized pads can have a significant impact upon treatment results 2 For best performance use Mettler Electronics brand electrodes 3 Do not exceed the number of recommended uses listed on the instructions for EZ Trodes or other reusable self ad...

Page 20: ...nch diameter Figure 4 2 Electrode Sizes and Current Density 4 2 General Operating Instructions Before you start a Review precautions contraindications and side effects adverse reactions listed in Section 5 b Use Mettler Electronics electrodes to ensure safe and effective operation c Verify connection of the line cord to a grounded wall receptacle and the Sys Stim 294 d For electrical stimulation c...

Page 21: ... be run simultaneously The Treatment Status Indicator will show you the icon for the selected waveform 1 2 3 4 3 For the interferential waveform the Sys Stim 294 will automatically pick channel pairs 1 2 or 3 4 For the premodulated medium frequency and biphasic waveforms the next available channel will be selected If a two channel treatment is desired pick the second member of the channel pair by ...

Page 22: ...ency 1 120 Hz Enter a numeric value followed by the key Hz High Volt Set the treatment polarity The LED that is lit indicates the red lead wire s polarity Set Hz for the frequency 1 120 Hz Enter a numeric value followed by the key Hz Microcurrent Set the treatment polarity The LED that is lit indicates the red lead wire s polarity Pressing the button twice will allow the polarity to alternate in a...

Page 23: ...ber use the numeric keypad to enter a new value followed by the key The Off time is then displayed enter a new value followed by the key 10 min s s s Hz Reciprocation Mode To setup a Reciprocation program you must have stimulation setup for two channel operation If Channel 1 is lit press Channel 2 If Channel 3 is lit press Channel 4 Press the Reciprocation key Enter a value from 2 to 240 and press...

Page 24: ... press to start the Surge cycle The timer will then begin counting NOTE 2 For the reciprocation mode adjust the intensity for Channel 1 or 3 and then press Then adjust the intensity for Channel 2 or 4 and press 10 In the interferential mode press the amplitude modulation vector rotation key after the output intensity is adjusted Adjust intensity Up only at the peak and Down at any time 11 Press th...

Page 25: ...rent conduction efficiency could result in skin irritation relating to an increase in current density at the electrode site Using reusable electrodes for longer periods of time than those recommended by the package insert could result in ineffective treatments or cause skin irritation Care should be taken to ensure application of the total electrode surface area to the patient s skin prior to comm...

Page 26: ... of the quad riceps Figure 4 5 Monopolar Electrode Placement Technique 5 Monopolar electrode application techniques Monopolar techniques may be used with the High Volt Microcurrent Premodulated Medium Frequency and Biphasic waveforms The smaller active electrode black and negative is placed over the muscle motor point In treatments designed to relieve pain the active electrode is placed over the p...

Page 27: ...rode will allow treatment currents to be delivered to the patient Four tips o f different sizes are included with the pencil electrode The figure on the left shows an application of the pencil electrode Please Note If you are using the pencil electrode with the microcurrent waveform you must press the button on top of the pencil electrode to establish contact prior to starting a treatment or a con...

Page 28: ...Mettler Electronics Corp Rev F_09 13 17 28 ...

Page 29: ...e treatment area all waveforms except Microcurrent 5 Prevention or retardation of disuse atrophy in post injury type conditions all waveforms except Microcurrent 6 Muscle re education all waveforms except Microcurrent 7 Maintaining or increasing range of motion all waveforms except Microcurrent 5 2 Contraindications for Neuromuscular Electrical Stimulation 1 Electrical neuromuscular stimulation sh...

Page 30: ...y over the eyes or inside body cavities 15 Do not use electrical stimulation in conjunction with high frequency surgical equipment or microwave or shortwave therapy systems 5 3 Warnings for Neuromuscular Electrical Stimulation 1 Electrical stimulation is ineffective for pain of central origin 2 Electrical stimulation must be applied by a physician or other qualified practitioner and should be used...

Page 31: ...e to report discomfort or pain 7 Use caution in applying electrical stimulation over areas where there is a loss of normal skin sensation 8 Adequate precautions should be taken in the case of persons with suspected or diagnosed epilepsy 9 Patients should not be left unattended during any treatment 10 Care should be taken following recent surgical procedures when muscle contraction may disrupt the ...

Page 32: ...Mettler Electronics Corp Rev F_09 13 17 32 ...

Page 33: ... dry after cleaning 6 2 Routine Maintenance 1 Standard medical electrical safety checks should be performed annually by qualified biomedical engineers or technicians trained to perform these procedures 2 Inspect electrode cables and associated connectors for damage 6 3 Troubleshooting the Sys Stim 294 Symptom Action 1 Nothing lights when main power switch is turned on Is line cord connected to out...

Page 34: ...tion or load unit requires servicing 5 E90_ displayed in Time window Output error for electrical stimulation has been detected Remove electrode cables from unit and restart Replace electrode cables onto unit Reprogram treatment and try starting treatment session again If powering unit OFF and restarting does not remove error the unit requires servicing 6 F1__ displayed in Time window There has bee...

Page 35: ...rferential Currents Australian Journal of Physiotherapy 31 225 230 1985 8 De Dominico G Pain Relief with Interferential Therapy Australian Journal of Physiotherapy 28 14 18 1982 9 DeLitto A and Snyder Mackler L Two Theories of Muscle Strength Augmentation Using Percutaneous Electrical Stimulation Physical Therapy 70 158 164 1990 10 Electrotherapy Standards Committee of the Section on Clinical Elec...

Page 36: ... E Therapeutic Modalities in Sports Medicine Times Mirror Mosby College Publishing 1990 26 Savage B Interferential Therapy Faber and Faber Boston 1984 27 Selkowitz D M Improvement in Isometric Strength of the Quadriceps Femoris Muscle After Training with Electrical Stimulation Physical Therapy 65 186 196 1985 28 Snyder Mackler L and Robinson A J eds Clinical Electrophysiology Electrotherapy and El...

Page 37: ...nts down to zero when a time is set or up to 60 minutes when no time is set The digital timer indicates time in minutes and seconds The timer also indicates the remaining or elapsed treatment time during the Hold period 8 2 Waveform Specifications Interferential Mode Figure 8 1 Interferential Waveform Waveform Type Sinewave Polarity None Volts 0 65 volts RMS 1 Kohm load Current 0 65 mA RMS 1 Kohm ...

Page 38: ...larity None Volts 0 50 volts RMS 1 Kohm load Current 0 50 mA RMS 1 Kohm load Average current at maximum intensity and frequency 50 mA RMS Maximum current density under 2 diameter electrode 2 5 mA cm Frequency 4 000 Hz Frequency Modulation 1 15 Hz 80 150 Hz 1 150 Hz xx xx Hx xx any value from 1 to 250 Hz Phase Duration 125 s internal sine wave 4 1 000 ms beat envelope Available Amplitude Modulation...

Page 39: ...d 10 ms off Frequency Modulation No Phase Duration 200 s Available Amplitude Modulation Options Continuous Surge Reciprocation Available Channels All Biphasic Mode Figure 8 4 Biphasic Waveform Waveform Type Symmetrical biphasic square wave Polarity None Volts 99 volts peak 1 Kohm load Current 0 99 mA peak 1 Kohm load Average current at maximum intensity and frequency 7 2 mA Maximum current density...

Page 40: ... Duration 8 s at 50 Vmax Polarity Positive or negative Available Amplitude Modulation Options Continuous Surge Available Channels Channel One only Microcurrent Mode or Figure 8 6 Microcurrent Waveform Waveform Type Monophasic or biphasic square wave Polarity Positive or negative or biphasic pulses Volts 1 Volt peak 1 Kohm load Current 10 990 A peak 1 Kohm load Average current at maximum intensity ...

Page 41: ...reset on off times 10 seconds on 10 seconds off 10 seconds on 20 seconds off 10 seconds on 30 seconds off 10 seconds on 40 seconds off 10 seconds on 50 seconds off 10 seconds on 60 seconds off Programmable On time 1 240 seconds Programmable Off time 1 240 seconds Reciprocation mode Premodulated Medium Frequency and Biphasic Pulsed Modes Up and down ramps 1 second reciprocation only Reciprocation t...

Page 42: ...Mettler Electronics Corp Rev F_09 13 17 42 ...

Page 43: ...e inserts 3 5 x 7 2006 1 Sponge electrode 8 x 10 2007 12 Sponge inserts 8 x 10 2008 4 Electrode straps 24 2009 4 Electrode straps 48 2023 Pencil electrode set with push button stimulation control includes handle 4 different sizes of stainless steel spot electrode tips and carrying case 2027 Pin to banana adapter plug set to be used with ME 2026 2260 or 2201 electrode cables Four each gray 2030 Bif...

Page 44: ... 2 x 4 oval electrodes with lead wires case of 10 packages four electrodes pkg 2705 V Trode 2 square electrodes with lead wires case of 10 packages four electrodes pkg 7293 Detachable U L listed hospital grade line cord 73 Three shelf mobile cart for all Sonicator Plus products Holds unit on the top shelf with lower shelves for accessories 9900 Electrical Stimulation Ultrasound Pocket Guide by Mic...

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