EMS Physio INTERFERENTIAL 960 User Manual
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EMS Physio INTERFERENTIAL 960 User Manual

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User Manual
INTERFERENTIAL 960 &
MULTIDYNE 970
Model 122/123

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Summary of Contents for EMS Physio INTERFERENTIAL 960

  • Page 1 User Manual INTERFERENTIAL 960 & MULTIDYNE 970 Model 122/123...
  • Page 2 Interferential 960/Multidyne 970...

  • Page 3: Table Of Contents

    Warranty Introduction and indications for use Contraindications Accessories Controls and markings Installation Operating instructions Maintenance Appendix A – overview of treatment modality Appendix B - technical specification Appendix C - EMC Tables Appendix D - essential performance Interferential 960/Multidyne 970...

  • Page 4: General Information

    No part of this manual may be photocopied, reproduced or translated into another language without the prior written consent of EMS Physio Ltd. The Interferential 960 is an interferential electrotherapy unit. The Multidyne 970 unit is a multiple waveform electrotherapy unit.

  • Page 5: Declaration Of Conformity To 93/42/Eec

    EC Declaration of Conformity Product Name Primo Interferential 960/Multidyne 970 Model Number 122/123 EMS Physio Ltd Grove Technology Park, Downsview Road Wantage, Oxfordshire , OX12 9FE, United Kingdom Declares that the device listed above is in conformity with the essential requirements and provisions of the following EC...

  • Page 6: Warranty

    Warranty This EMS Physio Ltd., (hereinafter called the Company) product is warranted against defects in materials and workmanship for a period of two years from the date of shipment. The Company will at its option, repair or replace components which prove to be defective during the warranty period, provided that the repairs or replacements are carried out by the Company or its approved agents.

  • Page 7: Introduction And Indications For Use

    Introduction The Interferential 960 provides 4-pole and 2-pole Interferential electrotherapy only. The Multidyne 970 provides a complete range of low and medium frequency waveforms (including Interferential) for electrotherapy and electro-diagnostics. Indications for use Therapeutic voltage and current waveforms may be applied to a wide range of conditions with successful outcomes.

  • Page 8: Contraindications

    Severe hypotension/hypertension, do not treat in the region of the lower cervical spine. If in doubt the patient's physician should be consulted. Electrodes should never be placed so that the applied current crosses the chest. Interferential 960/Multidyne 970...

  • Page 9: Accessories

    A range of single-patient self-adhesive electrodes is available Catalogue Description Number RB410 33 x 54 mm (pack of 4) RB430 50 x 50 mm (pack of 4) RB440 80 x 100 mm (pack of 2) RB450 25 mm diameter round (pack of 4) Interferential 960/Multidyne 970...
  • Page 10 6-112 European mains lead 6-119 North America mains lead For other countries contact EMS Physio Ltd. or the agent from whom the unit was purchased. E M S P h ys i o L td . Grove Technology Park Downsview Road...

  • Page 11: Controls And Markings

    Controls and markings Interferential 960/Multidyne 970 front panel IEC Symbol 348 Attention, Stimulator consult accompanying Output documents IEC symbol 878-01-37 Output IEC symbol 878-02-03 Type IEC symbol 7000-1641 BF Equipment Instructions for use Interferential 960/Multidyne 970...
  • Page 12 IEC symbol 7000-1641 Name and and date of Instructions for use manufacture Address of Manufacturer Do not dispose of as unsorted waste 2006/96/EC WEEE Directive) Model number classification Stimulation output levels IEC symbol 348 Attention, consult accompanying documents Interferential 960/Multidyne 970...
  • Page 13 Multidyne 970 top (The Interferential 960 is identical except for the model label) LCD touch panel On/Off button IEC symbol 848- 01-26 variability in steps Output control knob Interferential 960/Multidyne 970...
  • Page 14 Patient Lead (PMA3055) Electrode connecting cables FOR USE WITH EMS STIMULATORS Interferential 960/Multidyne 970...

  • Page 15: Installation

    Company or its agent from whom the unit was purchased. The Interferential 960/Multidyne 970 must only be used with an EMS SLA9000 power supply (as supplied with the unit). Units fitted with an internal rechargeable battery may be used powered by the battery only.

  • Page 16: Operating Instructions

    Operating instructions Power on sequence and general information When the Interferential 960/Multidyne 970 is turned on, the EMS company logo is displayed on the LCD along with the company web address, the model name and the firmware version. The unit will then give a short beep and display the System Menu screen.
  • Page 17 3 minutes if there has been no operator activity and the unit is running off the battery. Scrolling up or down using the More ▲ or More ▼ buttons will reveal more stimulation options, such as – (Multidyne 970 only) or – Interferential 960/Multidyne 970...
  • Page 18 Key-click allows you to turn on or off the beep that happens whenever the screen is touched. Touching the About button displays the model name and the installed firmware version. Interferential 960/Multidyne 970...
  • Page 19 User programs The Interferential 960/Multidyne 970 can store up to 10 user defined set- ups. Touch the User button (or the User Programs button in the System Menu screen) to go to this screen - The LCD shows the 10 user programs as file cards with numbered tabs. To select a program card just touch its tab.
  • Page 20 Standard user interface functions Throughout the operation of the Interferential 960/Multidyne 970 the various modes and parameter settings are all accessed and changed by pressing the graphic buttons on the LCD touchscreen. The rotary control is used to increase and decrease the stimulation intensity.
  • Page 21 The Base and Peak frequencies may be set in 1 Hz increments from 0 to 250 Hz. Press OK when the desired frequencies have been chosen to return to the 4-pole Interferential set-up screen. Interferential 960/Multidyne 970...
  • Page 22 Protocols: The Prot button (interferential mode only) gives access to a range of pre-set parameter settings aimed at treating various listed conditions – these are explained in more detail later in this manual. Interferential 960/Multidyne 970...
  • Page 23 Two channels are available, with independent intensity control, corresponding to electrode pairs A (yellow) and B (blue). Adjustment is achieved by pressing and holding the relevant button (A or B) and then turning the rotary control. Interferential 960/Multidyne 970...
  • Page 24 1:1 and 1:5. When running, the burst status is displayed in the top right corner of the display - CC/CV: The output may be set to be constant current (CC) or constant voltage (CV) by pressing the CC/CV button. Interferential 960/Multidyne 970...
  • Page 25 Selection is achieved by pressing the Type button. Width: pressing this button opens a new window in which the pulse width may be set from 20 to 400 µs in 5 µs increments by pressing the numerical digits and then pressing OK. Interferential 960/Multidyne 970...
  • Page 26 Mode control: The TENS output may be continuous, burst or surged. Each modulation type is selected by pressing the Mode button. CC/CV: The output may be set to be constant current (CC) or constant voltage (CV) by pressing the CC/CV button. Interferential 960/Multidyne 970...
  • Page 27 If the Autorev option is selected, the polarity of the output will automatically reverse half way through the selected treatment time. CC/CV: The output may be set to be constant current (CC) or constant voltage (CV) by pressing the CC/CV button. Interferential 960/Multidyne 970...
  • Page 28 When running the surge status is shown in the top right corner of the display – CC/CV: The output may be set to be constant current (CC) or constant voltage (CV) by pressing the CC/CV button. Interferential 960/Multidyne 970...
  • Page 29 When running the surge status is shown in the top right corner of the display – CC/CV: The output may be set to be constant current (CC) or constant voltage (CV) by pressing the CC/CV button. Interferential 960/Multidyne 970...
  • Page 30 Polarity: Pressing this button changes the electrical polarity of the galvanic current Pos (+), Neg (-), or Autorev (half way through the selected treatment time) CC/CV: The output may be set to be constant current (CC) or constant voltage (CV). Interferential 960/Multidyne 970...
  • Page 31 (auto-reverse occurs half way through the selected treatment time). When running, the output state is represented by a graphic in the top right corner of the display - CC/CV: The output may be set to be constant current (CC) or constant voltage (CV). Interferential 960/Multidyne 970...
  • Page 32 The available options are treatment time, polarity and CC/CV. These are set in exactly the same way as in the other operating modes. Medi-Wave set-up Freq: pressing this button opens this window:- The frequency may be set from 2 to 60 Hz in 1Hz increments. Interferential 960/Multidyne 970...
  • Page 33 Polarity: This may be Pos (+), Neg (-), or Autorev (half way through the selected treatment time) CC/CV: The output may be set to be constant current (CC) or constant voltage (CV). Interferential 960/Multidyne 970...
  • Page 34 20/min. Once muscle contraction has just been detected press Next. The first point of the S/D curve will be plotted and the pulse width will decrement to the next width setting. It will now be necessary to Interferential 960/Multidyne 970...
  • Page 35 Rheobase and Chronaxie to be calculated and displayed. Pressing OK will return to the S/D curve set-up screen to allow another test to be run. Pressing Menu at this point will return to the main System Menu screen. Interferential 960/Multidyne 970...
  • Page 36 If the unit detects an electrode impedance too high to safely deliver the required current, then the output of the Interferential 960/Multidyne 970 is terminated, an error message is displayed on the bottom line of the LCD and an intermittent alarm is sounded.
  • Page 37 During the last 5 seconds of any treatment, both outputs are smoothly reduced to zero. During any treatment, a ‘Stop’ button appears in the bottom right-hand corner of the screen – Pressing this causes both outputs to reduce smoothly to zero over a period of 5 seconds. Interferential 960/Multidyne 970...
  • Page 38 When the treatment time reaches zero, a three second alarm is sounded. From any of the set-up screens, pressing the menu key when the output is off returns to the system menu. Interferential 960/Multidyne 970...
  • Page 39 (970) will call up a list of pre-sets tailored for treating various conditions. The condition to be treated can be selected using the up/down buttons and then pressing select to call up the treatment settings for that particular condition. Interferential 960/Multidyne 970...
  • Page 40 Electrodes It is recommended that only electrodes supplied by EMS Physio Ltd. are used with the Interferential 960/Multidyne 970. Three sizes of conductive rubber electrodes are available. These are small (70 x 50 mm), medium (100 x 70 mm) or large (130 x 100 mm). Replacement sponge covers are available for each electrode.

  • Page 41: Maintenance

    Regularly (at least monthly) inspect all treatment leads, cables and connectors for signs of damage. The Interferential 960/Multidyne 970 has the option of an internal NiMh rechargeable battery. Whenever the unit is connected to the power supply the battery is monitored and charged as necessary. This type of battery has a limited life (typically 500 charge / discharge cycles).

  • Page 42: Appendix A - Overview Of Treatment Modality

    The Medi-Wave signal is a bipolar exponential decaying wave, which emulates the H waveform found in nerve signals (Hoffman reflex). At low repetition frequencies (2 Hz), Medi-Wave offers profound muscle stimulation and at higher frequencies (60 Hz) deep analgesic pain control. Interferential 960/Multidyne 970...
  • Page 43 Transcutaneous electrical nerve stimulation (TENS) refers to the application of low-intensity, short-duration pulses for the purpose of relieving pain. The Multidyne 970 provides two channels of asymmetric, symmetric or sequential output with a wide range of pulse widths and repetition rates. Interferential 960/Multidyne 970...

  • Page 44: Appendix B - Technical Specification

    1|1, 6|6 or 6^6 Output type 0-100mA peak 0-70V peak Output channels Russian stimulation (970 only) Carrier frequency 2.5 kHz Modulation frequency 1 – 100 Hz Surges 1:1 to 1:5 Output type 0-100mA peak 0-70V peak Output channels Interferential 960/Multidyne 970...
  • Page 45 Rectangular, triangular or trapezoidal Output type 0-70mA peak 0-140V peak Output channels Faradic (970 only) Frequency 50 Hz Surge rate 2 to 30 /minute Surge pattern Rectangular, triangular or trapezoidal Output type 0-70mA peak 0-140V peak Output channels Interferential 960/Multidyne 970...
  • Page 46 2 – 60 Hz Modulation None, burst, surged Output type 0-50mA peak 0-60V peak Output channels Microcurrent (970 only) Waveform Square wave (50% duty cycle) Frequency 1-1000Hz Output type CC 0-1mA Polarity Positive, negative or auto-reverse Output channels Interferential 960/Multidyne 970...
  • Page 47 100 mA peak (70 mA rms). The maximum load impedance in ohms at any given output current is given by: Maximum impedance = 70000/(peak output current in mA) In constant voltage mode, the maximum output voltage is 70Vpeak or (load impedance x 0.1) V peak whichever is the smaller. Interferential 960/Multidyne 970...
  • Page 48 0.5s (1 Hz burst) to 5 ms (100 Hz burst). The maximum output voltage and current are the same as for 4-pole interferential operation. Two channels of output are available with independent intensity control Interferential 960/Multidyne 970...
  • Page 49 0.5 s (hold) and returns to zero during the next 0.5 s (fall) giving a surge rate of 15 / minute. Below 5 Hz, the rest, rise, hold and fall times are 10, 5, 3 and 2 pulse periods respectively. Two channels of output are available with independent intensity control Interferential 960/Multidyne 970...
  • Page 50 CPiso - modulé en courtes périodes isodynamique This is the same as the CP waveform except that the amplitude of the MF signal is 12.5% less than the amplitude of the DF signal. Interferential 960/Multidyne 970...
  • Page 51 Neg (-) so that the above waveforms would be rendered ‘upside-down’ (both channels are inverted). A third option is Auto-reverse, in which the polarity automatically reverses half way through the selected treatment time. Interferential 960/Multidyne 970...
  • Page 52 Three standard surge patterns are provided. The rest, rise, hold and fall times for each pattern as a percentage of the complete surge cycle are shown below. Pattern Rest Rise Hold Fall Rectangular Triangular Trapezoidal Two channels of output are available with independent intensity control. Interferential 960/Multidyne 970...
  • Page 53 2 to 30 pulses per minute. Two channels of output are available with independent intensity control, and their polarity may be selected as Pos (+), Neg (-), or autorev (half way through the treatment time). Interferential 960/Multidyne 970...
  • Page 54 10 for frequencies less than 20 Hz. The duty cycle of the burst is 50%. In surge mode the surge rate is 10 per minute. Two channels of output are available with independent intensity control Interferential 960/Multidyne 970...
  • Page 55 Atmospheric pressure 500 to 1060 hPa Output display The Interferential 960/Multidyne 970 display shows the peak current or peak voltage of each output channel depending on whether constant current (CC) or constant voltage (CV) has been selected for the treatment.

  • Page 56: Appendix C - Emc Tables

    Appendix C – EMC tables Guidance and manufacturers declaration – electromagnetic emissions The Primo Interferential 960/Multidyne 970 is intended for use in the electromagnetic environment specified below. The customer or the user of the 960/970 should assure that it is used in such an environment.
  • Page 57 Interferential 960/Multidyne 970...
  • Page 58 Guidance and manufacturers declaration – electromagnetic immunity The Primo Interferential 960/Multidyne 970 is intended for use in the electromagnetic environment specified below. The customer or the user of the 960/970 should assure that it is used in such an environment.
  • Page 59 RF transmitters, an electromagnetic site survey should be considered. If the measured field strength in the location in which the Primo Interferential 960/Multidyne 970 is used exceeds the applicable RF compliance level above, the Primo Interferential 960/Multidyne 970 should be observed to verify normal operation.
  • Page 60 Recommended separation distances between portable and mobile RF communications equipment and the Primo Interferential 960/Multidyne 970 The Primo Interferential 960/Multidyne 970 is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or user of the...

  • Page 61: Appendix D - Essential Performance

    Appendix D – Essential performance The performance characteristics essential to the correct operation of the Interferential 960 and Multidyne 970 are: Power input 100-240V ac Treatment time 0 – 30 minutes Interferential 4-pole Carrier frequency 2 kHz, 4 kHz or 8 kHz ) (± 5%) 0 –...
  • Page 62 5 sequence 1 ms to 1 s (± 5%) for other shapes Waveform Rectangular, Triangular or Trapezoidal Pulse rate 1 to 30 /minute (±10%) Output type 0-70mA peak (10%) into 500 0-140V peak (±10%) into 2 k Interferential 960/Multidyne 970...
  • Page 63 2 – 60 Hz (± 5%) Output type 0-50mA peak (±10%) into 500 0-60V peak (±10%) into 2 k Microcurrent (Multidyne 970 only) Waveform Square wave (50% duty cycle) Frequency 1-1000Hz Output type CC 0-1mA(±20%) Polarity Positive, Negative or Auto-reverse Interferential 960/Multidyne 970...
  • Page 64 Interferential 960/Multidyne 970...
  • Page 65 E : s a l e s @ e m s p h y s i o . c o . u k W e b s i t e : h t t p : / / w w w. e m s p h y s i o . c o . u k Interferential 960/Multidyne 970...

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