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Dynatron

®

 850plus & 550plus 

 

Ultrasound Technical Information 

107 

recommended for use (refer to the operation manual for these devices for instructions on their 
use). 
 
Water Quality:  Water used in the testing procedure must be degassed water with an 
oxygen content of four parts per million (4ppm) or less. 
 
The following steps are provided to assist the technician with the calibration procedure.  A 
calibration program is built into the software for the device.  The procedure utilizes keys and 
displays on the key pad that are normally used for other purposes, but which have specialized 
applications in the Calibration Mode.   
 
If you have any questions about the following instructions, contact Dynatronics’ Customer 
Service Department before proceeding.   
 
STEPS 
 
1.  Begin with the machine turned off.  Plug 

the soundhead to be calibrated into the 
Dynatron 850plus ultrasound output jack 
and center the soundhead over the cone in 
the ultrasound power meter. 

 
2.  Enter the Dynatron 850plus’ Calibration 

Mode by pressing and holding the PAUSE 
key while turning the machine on.  The 
display windows first show the soundhead 
type that is plugged into the machine (see 
Soundhead Types Table below). 

 
 

The soundhead type is displayed for about 
one second.  Next, the display shows the 
stored frequency values for the soundhead 
that is being calibrated.  The output power 
display is set to a value of zero.  The LED 
for 1 MHz should be illuminated indicating the soundhead is now ready to be calibrated 
for this frequency.  If it is not, press the toggle key to select 1 MHz now. 

 
3.  Press STOP and the TIME UP ARROW simultaneously to enter the Temperature Mode.  

The temperature of the soundhead is displayed in the Time display window.  The 
soundhead must be at a temperature between 72 and 75 degrees.  If the sound-head is not 
within this range, warm the water and/or the head before continuing.  Press STOP to get 
out of the temperature mode.  At this point there is zero output from the device.  Zero the 
scale on your ultrasound power meter now.  When the scale is at zero on your power 
meter, press the START key to begin. 

 
4. Press 

the 

UP/ DOWN arrow keys located next to the Power display window on the 

Dynatron 850plus until the power meter shows the target value for the specific soundhead 
size (consult the table “Target Value - Power Meter” for target power meter readings). 

 
5.  When the watts reading on the meter is at target value for the soundhead and the reading 

is stable, press the Duty Cycle toggle key (this is the key that selects 10%, 20%, 50% or 
Continuous).   

 

Soundhead Types Table 

 
 

SmartHeads™:   

 

 

Time Display = HS 

  Power 

Display: 

 

 

 

2cm2   =   2 

 

 

 

5cm2   =   5 

   10cm2 

= 

10 

 
 

Older Sound Heads:  

  Time 

Display 

only: 

 

 

 

1cm2   =  H 1 

 

 

 

2cm2   =  H 2 

 

 

 

5cm2   =  H 5 

   10cm2 

= 

 

H10 

Soundhead Types 

 

Содержание Dynatron 550 Plus

Страница 1: ...i SERVICE MANUAL Dynatron 850plus Dynatron 550plus ...

Страница 2: ...atrophy 3 increasing local blood circulation 4 muscle re education 5 immediate postsurgical stimulation of calf muscles to prevent venous thrombosis and 6 maintaining or increasing range of motion Interferential premodulated high volt and microcurrent therapy are indicated for providing temporary relief of chronic intractable pain INDICATIONS FOR ULTRASOUND USE Ultrasound therapy is intended to ge...

Страница 3: ... 7 Instructions for Using Toggle Keys 13 Time and Power Displays 15 Ultrasound Heads Dynatron 850plus only 15 Microcurrent Probes optional accessory 16 High Volt Probe optional accessory 17 Quick Reference of Special Key Presses 18 Section II Operation and Treatment Instructions General Operating Instructions 20 Power On Off 20 Basic Treatment Setup 20 Conductance Bar Graph 21 LEAD Warning No Pati...

Страница 4: ...p 42 Microcurrent Treatment Time 43 Detailed Microcurrent Setup 43 Audio Tone 46 Microcurrent Default Settings 46 How To Use Microcurrent Probes 46 Ultrasound Instructions 48 Soundhead Warming 48 Turn Soundhead Warming Off On 49 Basic Ultrasound Setup 49 Detailed Ultrasound Setup 49 Ultrasound Default Settings 51 Patient Coupling 51 Poor Coupling 52 Ultrasound Coupling Bar Graph 52 Head Temperatur...

Страница 5: ... Default Settings 66 Combination Default Settings 66 Battery Operation 67 Battery Requirements 68 Battery Life 68 Section III General Modality Information Interferential and Premodulated Therapy 70 Interferential Quadpolar Therapy 70 Premodulated Bipolar Therapy 70 Target 71 Why Is Target Better 71 Sweep 72 Interferential Electrode Placement 72 Russian Biphasic Therapy 73 Russian Stimulation 73 Bi...

Страница 6: ...hasic and High Voltage Pulsed Stimulation 82 Contraindications 82 Warnings 82 Precautions 83 Treatment Setup Warnings 84 Adverse Effects 84 Use Only Dynatronics Accessories With This Device 84 Contraindications Warnings Precautions for Microcurrent Treatment 85 Indications for Use 85 Contraindications 85 Warnings 85 Precautions 86 Adverse Reactions 86 Contraindications Warnings Precautions for Ult...

Страница 7: ...dhead Parameters 104 New SmartHeads 104 Using Older Model Soundheads With the 50 Series Plus 104 Calibration Procedure 106 Problem Solving 109 Soundhead Temperature Too Hot 109 Cooling the Soundhead 109 Whirlpool Treatments 109 Soundhead Temperature Too Cold 110 No Soundhead 110 Other Error Messages in the Display 110 Section VI Technical Information General Specifications 114 Dynatron 850plus and...

Страница 8: ...nal Technical Information Available for Technicians Only 120 FDA Compliant Electrodes and Lead Wires 120 Medical Device Reporting Requirements 121 Reporting any Incident of Patient Discomfort 121 Section VII Service Processor Interaction 124 Processor Interaction with the Keyboard and Displays 124 Processor Interaction with Oscillators 124 Processor Interaction with the Output Jacks 124 Processor ...

Страница 9: ...Dynatron 850plus 550plus 1 Section I Introduction ...

Страница 10: ... ultrasound and combination treatments apply only to the Dynatron 850plus model All other sections of this manual apply to both devices Sections of this manual that apply only to the Dynatron 850plus are clearly marked New Features For models having software greater than Rev 1 01 or later the following new features have been added effective January 1998 Conductance Bar Graph A graphical representa...

Страница 11: ...le on off cycle times and ramp times and customizable pulse rate and pulse width High Voltage Pulsed Stimulation This traditional electrotherapy modality offers a pulsed monopolar current with pulse widths in the microsecond range and pulse rates ranging from 1 to 200 Hz utilizing a twin peak monophasic waveform Polarity on off cycle time and ramp time are selectable and pulse rate may be customiz...

Страница 12: ...cations warnings and precautions for that modality You should also read in this manual general information about each of the modalities In addition to the information provided in this manual consult other published sources for additional application and safety instructions regarding use of each type of therapy How to Use This Manual This manual is organized to help you learn how to use your Dynatr...

Страница 13: ...the device will automatically switch to 220 240V 50 Hz when connected to a power source with that voltage The power cord must also be firmly plugged into the device itself When the cord is properly connected it can not be easily pulled out Do not place the cord or the device in a place where the cord could be tripped over or accidentally pulled out of its socket during a treatment Read the operati...

Страница 14: ...tors 8E0017 High volt applicator 2 round 8E0018 High volt applicator 5 8 round 8E0019 High volt applicator 2 x1 1 2 8D0007 Microcurrent active probe 8D0027 Microcurrent ground probe 7B0208 7B0209 2 diameter carbon electrodes red and gray 7B0063 7B0065 3 diameter carbon electrodes red and gray 7B0059 7B0061 3 x 5 carbon electrodes red and gray 7B0067 7B0069 1 5 x 2 0 carbon electrodes red and gray ...

Страница 15: ...ures in the diagrams correspond to the numbered descriptions Before administering treatment to a patient read the sections later in this manual that provide specific instructions for performing treatments discussions of each modality definitions of the available options along with contraindications warnings and precautions for all modalities Note that some options use toggle keys for making select...

Страница 16: ...Dynatron 850plus only This key is also used to pause an ultrasound treatment First press the channel toggle CH to select SOUND then press PAUSE FUNCTION the ultrasound output is stopped the treatment time is paused and the light on the Pause key is on When this key is pressed again the ultrasound treatment resumes and the light on the Pause key is off The PAUSE option is not available with the Dyn...

Страница 17: ...nel s intensity and other treatment parameters may only be modified when it has a green indicator light Press the Channel Toggle key CH to select a channel to be viewed 8 TIME TOGGLE KEY Press this key to display various treatment parameters in the Time display including Time treatment time Freq frequency Rate pulse rate and Width pulse width Available options during a given treatment or treatment...

Страница 18: ... settings for the device may also be saved See treatment setup instructions later in this manual for a complete description of the options that may be selected 14 TARGET SWEEP TOGGLE This key is pressed to select either Target Target Sweep or static treatment for an interferential treatment The Target pad is used to locate the exact treatment site if the Target option is selected during an interfe...

Страница 19: ... TREATMENT MODE TOGGLE for biphasic and Russian treatments Press this key one or more times to select Normal Co Contraction or Reciprocal contraction The output channel is automatically selected When Normal is selected one output jack only is selected 1 or 2 When Co contraction or Reciprocal is selected channels 1 and 2 are selected Connect the patient lead wire s to the output jack s for the chan...

Страница 20: ...key one or more times to select positive only the LED is lighted negative polarity only the LED is lighted or dual polarity both LEDs are lighted 25 OUTPUT JACK CHANNELS 1 and 2 These are the output jacks for delivering interferential premodulated Russian biphasic and microcurrent treatments Consult treatment instructions later in this manual for appropriate channels and treatment setup for each m...

Страница 21: ...plus ONLY not available on the Dynatron 550plus The applicator soundhead plugs into this jack for ultrasound therapy 32 MICROCURRENT OUTPUT JACK The microcurrent probe plugs into this jack for microcurrent probe therapy Instructions for Using Toggle Keys Toggle keys are used to make selections from two or more options in a given area Toggle keys are pressed one or more times to make a desired sele...

Страница 22: ... Microcurrent intensity is displayed in microamperes Stim Intensity Display The intensity display is intended as an incremental value only for the convenience of the practitioner Increasing the intensity does increase current delivery However intensity and current are not a 1 1 comparison Actual current delivered to the patient depends upon the intensity setting and the current density affected by...

Страница 23: ... treatment CHANNEL OUTPUT INDICATOR LIGHTS GREEN Solid You CAN see this channel s parameters displayed on Time and Power Intensity displays The channel IS delivering current GREEN Flashing You CAN see this channel s parameters displayed on Time and Power Intensity displays The channel IS NOT delivering current YELLOW Solid You CANNOT see this channel s parameters displayed on Time and Power Intens...

Страница 24: ... to a short length the cotton must touch the probe s metal ring Use water or a conductive electrolyte spray to wet the cotton swab before treating Active Probe To deliver the current to the patient through the active probe press and release the button on the probe Press and release the button again to stop the current The active probe should touch the patient s skin at the treatment site and the g...

Страница 25: ...with placement of the active probe during treatment The banana to pin adapter is an optional accessory available from Dynatronics High Volt Probe optional accessory An optional probe may be purchased which allows you to deliver an attended high volt treatment The high volt probe is connected to the dedicated high volt jack HV on the front of the machine The probe is used in conjunction with a larg...

Страница 26: ...DES ARE ATTACHED TO PATIENT FUNCTION MICRO CHANGE MICROCURRENT POLARITY Change microcurrent polarity Repeat to change again MICRO AUDIO TONE ON OFF During a microcurrent treatment turn audio tone on and off FUNCTION INTENSITY UP DOWN ARROW KEYS CHANGE VOLUME Change loudness of tone during microcurrent treatment only START SAVE NEW DEFAULT SETTINGS Hold for 2 seconds to save defaults for current tr...

Страница 27: ...Dynatron 850plus 550plus Operation Treatment Instructions 19 Section II Operation and Treatment Instructions ...

Страница 28: ...e soundhead must be connected to the device before selecting Sound or Combo 2 Plug lead wires or probe cable into the appropriate jack s on the device for the modality to be delivered Observe which channels the device selected for this treatment channels are selected automatically by the device Attach the electrodes to the leads and affix the electrodes to the patient For unattended stim treatment...

Страница 29: ...the treatment intensity The graph allows you to see whether conductance is good for that treatment setup and if current is being delivered efficiently through the electrodes The display reverts to the Time display when you press any other key after setting the intensity You may again view this conductance graph at any time during an interferential premodulated or microcurrent treatment by pressing...

Страница 30: ... default to the disabled mode each time the device is powered on However you may still view the conductance graph at any time after the treatment has started as described above If you wish to reset the default to re enable the bar graph to appear automatically during treatment setup again press and hold the FUNCTION and TIME mode keys while powering the device on and select the desired setting LEA...

Страница 31: ...cted for display Disable the Lead Warning If you find the lead warning feature is too sensitive for your treatment setup and is detecting conditions that are not truly open you can adjust the sensitivity To do this press and hold the IFC key while powering the device on NEVER TURN THE DEVICE ON OR OFF WHILE LEADS ARE CONNECTED TO A PATIENT The word OPEN is displayed in the Time display and the def...

Страница 32: ... mA RMS or greater for any output circuit For use in Canada and Japan this device is limited to 50mA output An interferential treatment uses both channels 1 and 2 and four electrodes The device will automatically select these channels when you select IFC A premodulated treatment uses one channel and two electrodes The device will automatically select the first available channel 1 or 2 when you sel...

Страница 33: ...o 10 Hz These ranges may be changed for a single treatment if desired or new default settings may also be saved to apply to all future treatment setups The same default setting applies to both interferential and premodulated treatments You may change the frequency settings for the range you plan to select for this treatment if desired see illustration next page Each premodulated treatment may have...

Страница 34: ...ge CH Modify frequency ranges in Interferential or Premodulated treatments 4 Choose HIGH LOW HIGH LOW alternating or HIGH LOW consecutive Press the HIGH LOW toggle key one or more times to select the high frequency range the low frequency range or both The lights next to the toggle key show what you have selected Select from the following options a High only Toggle until only the High light is on ...

Страница 35: ...patented Target feature to automatically move the point of interference in a somewhat spiral fashion covering 75 to 80 percent of the area within the electrodes This allows you to bathe a more general area with the interferential current while retaining the full interferential beat STATIC This option is applied when neither Target nor Sweep are selected Press the toggle key one or more times to un...

Страница 36: ...t to stop treatment The remote cord should be plugged into the machine prior to starting the treatment When the remote stop button is pressed all output from the device is stopped time is set to zero and a tone sounds briefly STOP ONE TREATMENT ONLY If you have more than one treatment in progress you can stop one treatment by either of the following methods First press the channel toggle key to se...

Страница 37: ...tion Normal Reciprocal and Co Contraction You will need to decide which mode is to be used and attach the appropriate number of leads needed when setting up the treatment You may set up two Biphasic or two Russian treatments with Normal mode You may not set up one Russian and one Biphasic at the same time as both channels share frequency settings during these treatments NORMAL Use one channel with...

Страница 38: ...sired 7 Raise the INTENSITY to the desired level 8 For co contraction or reciprocal treatments toggle to the SECOND CHANNEL and set the INTENSITY for this channel 9 Press START 10 Press STOP if you need to stop a treatment before its time has expired stops all current treatments Detailed Biphasic Russian Setup If you do not understand the terms contraction rest ramp time pulse width or pulse rate ...

Страница 39: ...reatment Press the Time toggle key to select either pulse width or pulse rate The indicator lights next to the Time toggle key show you which option is currently selected When either pulse width or pulse rate is selected the current setting for that option is displayed in the Time display only You can change the setting by using the Time up down arrow keys You can press the toggle key again to ret...

Страница 40: ...up you use you can save the treatment parameters as new defaults for your own machine After setting up the treatment simply press and hold the START key for two seconds At the end of two seconds you will hear a beep indicating the treatment parameters have been saved The next time you select this modality these parameters are selected automatically 10 MODIFY settings While the treatment is in prog...

Страница 41: ...ended therapy a patient stop button is provided to allow the patient to stop treatment The remote cord should be plugged into the machine prior to starting the treatment When the remote stop button is pressed all output from the device is stopped time is set to zero and a tone sounds briefly STOP ONE TREATMENT ONLY If you have more than one treatment in progress you can stop one treatment by eithe...

Страница 42: ...Biphasic Stimulation Default Setting Valid Range Pulse Rate 50 Pulses per second 1 to 500 Pulse Width 200 µSec 50 to 400 µSec Russian Stimulation Default Setting Valid Range Pulse Rate 50 Pulses per second 1 to 500 depends on Pulse Width Pulse Width 10 mSec 4 to 50 mSec ...

Страница 43: ...volt treatments with the Dynatron 550plus and 850plus may be delivered using electrodes or an optional hand held probe The device provides a dedicated channel for high volt treatment HV This channel is used to deliver high volt treatments only The device s other output channels CH1 2 remain available for other stim treatments simultaneously with the high volt treatment Set Up High Volt Treatment w...

Страница 44: ...s delivered using a hand held probe optional accessory in conjunction with a dispersive electrode The hand held probe is connected to the selected High Volt output jack on the front of the machine With a probes treatment intensity is controlled on the front panel of the device keep the device nearby so you can change the intensity as needed If you select an on off cycle rather than continuous you ...

Страница 45: ...TART 9 Press STOP if you need to stop a treatment before its time has expired Detailed High Volt Setup 1 Press the HI VOLT key When you press HI VOLT the high volt channel and the default settings for high voltage pulsed stimulation are automatically selected If you have not already done so attach leads and place electrodes on the patient now and plug the lead wire or probe cable into the HV jack ...

Страница 46: ...o select the high range only or the low range only this toggle key is found next to the IFC PREMOD key The lights next to the toggle key show you what you have selected In a high volt treatment High or Low only must be selected the combined High Low option is not available for High Volt Default High and Low pulse rate ranges for High Volt The HIGH range is 80 to 120 Hz The LOW range is 1 to 10 Hz ...

Страница 47: ...deliver a treatment at a single PULSE RATE rather than sweep through a range For example set both the upper and the lower limits at 100 for a 100 Hz treatment Use these arrow keys to change the lower limit of the range Use these arrow keys to change the upper limit of the range Use this toggle key to select the HIGH or LOW range CH When you are finished setting the pulse rate range press the Time ...

Страница 48: ...tarted 10 Press STOP if it is necessary to end the treatment before the treatment time has expired When the treatment time has elapsed current to the patient is stopped and a tone sounds notifying you of the treatment end Treatments in progress may be stopped at any time using one of the following methods STOP Press this key to stop treatment at all channels You may prefer to stop treatment at one...

Страница 49: ...acturer and are selected when you select High Volt You may change these defaults to your own preferred settings See Setting Defaults in this manual Continuous on cycle Treatment time 10 minutes Ramp up and down time 5 sec Polarity Negative Pulse Rate High Range Default High Range 80 120 Hz Default Low Range 1 10 Hz Available Range 1 200 Hz ...

Страница 50: ... on the patient before setting up the treatment For treatment with probes plug the microcurrent probe into its own output jack on the left side of the device During the microcurrent treatment the current is delivered to both Channel 1 and to the probe outputs simultaneously Therefore Channel 1 is unavailable for any other treatment while any microcurrent treatment is in progress including during p...

Страница 51: ...use other settings do the following 2 Choose the output desired CH1 for electrodes treatment or MICRO for probes treatment The default for this option is treatment with electrodes Press the channel toggle key to select MICRO for treatment using the optional probe if desired 3 Choose POLARITY Press and hold the FUNCTION key and press the MICRO key at the same time to select the desired polarity Rep...

Страница 52: ...stop the current through the probe the treatment timer returns to zero and the device beeps twice to signal that current delivery has stopped Continue starting and stopping current delivery in this way NOTE SAVE DEFAULTS If the treatment you have just set up is the most common microcurrent setup you use you can save the treatment parameters as new defaults for your own machine After setting up the...

Страница 53: ...d Treatments in progress may be stopped at any time using one of the following methods STOP Press this key to stop treatment at all channels You may prefer to stop treatment at one channel only see explanation below STOP ONE TREATMENT ONLY If you have more than one treatment in progress you can stop one treatment by either of the following methods First press the channel toggle key to select the c...

Страница 54: ...nts of 10µA The ranges of 1 to 500 Hz frequency and between 10 and 990 micro amperes intensity are available for setting up both electrodes and probes treatments For guidance in selecting the appropriate frequency and intensity for a given probes or electrodes treatment consult published medical literature How To Use Microcurrent Probes The microcurrent active and ground probes are optional access...

Страница 55: ...natronics dealer then attach an electrode to the pin Place the electrode on the patient at a site where it will not interfere with placement of the active probe during treatment TREAT Press and release the button on the active probe to start current delivery The unit beeps once to indicate current delivery has started When the active probe and a ground probe touch the patient s skin the current is...

Страница 56: ... in the device CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous exposure to ultrasonic energy Make sure a soundhead is firmly plugged into the device before turning the device on When changing to a different size soundhead turn the machine off first remove the soundhead plug in the desired soundhead then turn the machine ...

Страница 57: ...e to select SOUND 2 Choose the FREQUENCY 3 Choose the DUTY CYCLE 4 Change the treatment TIME if desired 5 Raise POWER 6 Press START 7 Press STOP if you need to stop a treatment before its time has expired Detailed Ultrasound Setup 1 Press the SOUND COMBO key once When you press the SOUND COMBO key once the SOUND LED is lighted and the ultrasound treatment default settings are automatically selecte...

Страница 58: ... know when coupling is not adequate This feature is discussed later in this section SAVE DEFAULTS If the treatment you have just set up is the most common ultrasound setup you use you can save the treatment parameters as new defaults for your own machine After setting up the treatment simply press and hold the START key for two seconds At the end of two seconds you will hear a beep indicating the ...

Страница 59: ...lt Settings The following default settings are set by the manufacturer and are selected when you press the Sound key You may change these defaults to your own preferred settings See Setting Defaults in this manual 1 MHz for 2 5 and 10cm2 soundheads and 2 MHz for the 1cm2 soundhead Continuous Time 5 minutes Patient Coupling The Dynatron 850plus provides the feature of patient coupling detection whi...

Страница 60: ...nductance In the illustration below eight of the eight segments are lighted indicating good coupling POWER INTENSITY TIME START STOP PAUSE WIDTH RATE FREQ TIME SOUND MICRO HV 1 2 1 FUNCTION Press the SOUND and the TARGET keys simultaneously during an ultrasound treatment to view a graph showing soundhead coupling Press Time to return to the treatment time display CH Ultrasound Coupling Bar Graph P...

Страница 61: ...D the output power is stopped the treatment time stops counting down both the Time and Power displays flash continuously The soundhead must then be cooled down before the treatment can resume For devices having software greater than Rev 1 01 With software revisions greater than Rev 1 01 the Time and Power displays do not flash but the Time display shows the error message HOT see Page 2 of this man...

Страница 62: ...dication when the soundhead is becoming too hot To return to the treatment time display press the TIME key POWER INTENSITY TIME START STOP PAUSE WIDTH RATE FREQ TIME SOUND MICRO HV 1 2 1 FUNCTION Press the SOUND and the HI LO keys simultaneously during an ultrasound treatment to view a graph showing relative head temperature Press Time to return to the treatment time display CH Head Temperature Ba...

Страница 63: ...or your machine You can tell when you have selected WATTS display by the decimal in the display window A steadily lighted decimal means the power is displayed in W cm2 A blinking decimal means the power is displayed in WATTS Press and hold the PAUSE FUNCTION key for two seconds The machine will beep once to indicate you have changed the display POWER INTENSITY PAUSE FUNCTION STOP START A non blink...

Страница 64: ...hould remain in full contact of the skin until current output is stopped Be alert for any sign of periosteal bone pain Comboplus Dynatronics new Comboplus feature means you have almost unlimited options in setting up a combination treatment with the Dynatron 850plus Now you can Combine an ultrasound treatment with any electrotherapy modality provided by this device single channel options only Prem...

Страница 65: ...nd plugs into the stim input on the back of the device The pin end of the lead wire attaches to an electrode Stim Through the Soundhead With combination therapy the soundhead is used in place of one electrode for a stim treatment and electrotherapy current is delivered through the soundhead This means that for a normal 2 electrode stim treatment therapy you would place one electrode on the patient...

Страница 66: ...the electrotherapy parameters The treatment timer does not begin until you press Start after both modalities have been set up 1 Press the SOUND COMBO key twice to select COMBO If desired you may now set up the Sound portion of the treatment Then toggle to the stim channel by pressing START or the channel toggle key or press the appropriate key to select the desired electrotherapy modality Premod B...

Страница 67: ...ay will begin flashing and you will be unable to start the treatment until you set the intensity Remember that you must set both the intensity for the stim treatment and the power for the sound treatment NOTE SAVE DEFAULTS The default combination treatment includes ultrasound with premodulated treatment for five minutes The stim treatment parameters are derived from the defaults for that modality ...

Страница 68: ...atment that remains in progress if any NOTE Pausing a Combo Treatment In Combo mode if a treatment is paused by any means either by pressing the PAUSE key or as a result of a soundhead that has become too hot the ultrasound output is stopped and the treatment timer is paused However the stim current continues to be delivered Therefore the pause condition should be corrected as quickly as possible ...

Страница 69: ...he stim modality that is selected for the current combo treatment is saved as the default stim treatment for combo Stim parameters for this setup are saved and become the default settings for that stim modality both during combo and during separate treatments Ultrasound parameters for this setup are saved and become the default ultrasound settings for combination treatments only non combination ul...

Страница 70: ...treatments may be set up regardless of any other treatments that may be currently running A separate Ultrasound treatment may be set up or a combination treatment using ultrasound and a single channel modality with any available channel The device allows only ONE attended therapy to be delivered at one time Attended therapies include ultrasound microcurrent probe and high volt probe treatments Whi...

Страница 71: ...ering current while the light is flashing YELLOW Solid You CANNOT see or modify this channel s parameters at this time The channel is delivering current YELLOW Flashing You CANNOT see or modify this channel s parameters at this time The channel is not delivering current while the light is flashing Stop One Treatment STOP ONE TREATMENT ONLY If you have more than one treatment in progress you can st...

Страница 72: ...aved with the default settings This step is optional 4 PRESS and HOLD the START key for two full seconds to SAVE the new settings You will hear a beep to signal that the new settings have been saved If the intensity was set before you pressed the START key the treatment will begin upon pressing START You may proceed with delivering the treatment now or you may stop the treatment Example If for exa...

Страница 73: ...lable Range 0 150 Hz Premodulated Default Settings High The first available channel 1 or 2 Time 10 minutes Frequency Ranges for both Interferential and Premodulated Default High Range 80 150 Hz Default Low Range 0 10 Hz Available Range 0 150 Hz NOTE The default frequency ranges and the High Low option you set will be the default settings for both Interferential and Premodulated treatments However ...

Страница 74: ...ctrodes and Probes Frequency Between 1 and 500 Hz Intensity Between 10 and 990 microamps in increments of 10µA NOTE For Microcurrent treatments you may save separate default settings for a probe treatment and for a treatment with electrodes You may also indicate the most preferred option between probes and electrodes The last default setting saved probes or electrodes becomes the primary default w...

Страница 75: ...nto the jack labeled BATT on the back of the Dynatron 850plus or the 550plus device Turn the battery pack on 4 Set up and deliver treatments as you normally do 5 When available battery power is reduced to a certain level the device will flash a message BATT LO to indicate low battery power The treatment can continue but you will probably be unable to set up and deliver another treatment when the c...

Страница 76: ... blow fuse Note If a low quality gauge cord is used you can get the BATT LO error when the battery is not low Battery Life The length of time that a unit can be used with a battery pack is dependent on several factors The amperage of the battery pack A larger amperage will provide longer use The modality used Ultrasound requires more power than stim modalities The intensity of the treatments The h...

Страница 77: ...Dynatron 850plus 550plus General Modality Information 69 Section III General Modality Information ...

Страница 78: ...lizes one output jack and two electrodes The current delivered is a composite wave form In order to produce this composite current two frequencies are mixed within the device prior to output One frequency is 4000 Hz while the second frequency covers a range between 4000 to 4150 Hz With the Dynatron 850plus and 550plus either of the two channels may be used simultaneously to deliver two separate in...

Страница 79: ...nce actually occurs at another point In these illustrations the point of interference is shown in a cloverleaf shape as interferential treatment affects a cloverleaf shaped area Using the Target pad the point of interference in easily moved to the desired treatment area Why Is Target Better The Dynatron 850plus and 550plus employ a unique patented method which actually moves the center of interfer...

Страница 80: ...urrent Interferential Electrode Placement When performing interferential therapy with a two channel four electrode setup it is important to arrange the electrodes in a criss cross manner so the current from one channel will intersect with the current from the second channel at the point where treatment is to be delivered Consult published literature for electrode placements for specific sites and ...

Страница 81: ...use of just one output jack Channel 1 or 2 The Reciprocal and Co Contraction modes utilize both channels 1 and 2 Biphasic Stimulation The biphasic stimulation feature is similar to Russian stimulation in the parameters that are selected and in the available options It differs from Russian stimulation in the pulse width and rate ranges Additionally the biphasic pulse includes just one cycle includi...

Страница 82: ... number of pulses per second means a shorter pulse width is allowed The Dynatron 850plus and 550plus will not allow you to circumvent this rule Ramp Rate Contraction Width Rest Russian Stimulation If a given Russian stimulation treatment has a 50 percent duty cycle this means the output cycle is continuously repeating for half of the pulse duration see Rate in the diagram above followed by a zero ...

Страница 83: ...me time with this device You can deliver two Russian or two biphasic treatments at once NOTE If a biphasic or Russian stimulation treatment is in progress on one channel you may not customize the pulse rate and width for the second channel When you customize the pulse rate and width it affects all simultaneous biphasic or Russian stimulation treatments for both channels 1 and 2 If you are modifyin...

Страница 84: ...ecommended that the dispersive electrode be at least double the size in area of the active electrode The lead for the active electrode may be bifurcated allowing placement of two active electrodes However the area of the dispersive electrode is recommended to be at least double the combined total area of the active electrodes High Volt with Optional Probes High volt therapy with probes accommodate...

Страница 85: ...natron 850plus and 550plus allow you to choose a muscle contraction relaxation cycle from options of 10 10 ten seconds on and ten seconds off 10 30 10 50 or continuous cycle Selectable Ramp Speed You can choose a ramp speed of 1 2 to 2 1 2 seconds in half second increments For patient comfort the ramp occurs both before and after the On segment of the pulse Pulse Width The pulse width is fixed at ...

Страница 86: ... probes are used to treat very small areas or to easily deliver treatment to a number of different areas in succession This therapy utilizes the active probe and the ground probe If desired a dispersive electrode may be substituted for the ground probe The active and ground probe are optional accessories for this device Microcurrent Waveforms Three different output waveforms polarity may be select...

Страница 87: ...he soundhead The 2 cm2 5 cm2 and 10 cm2 soundheads each operate at 1 2 and 3 MHz The 1 cm2 soundhead operates at 2 and 3 MHz The desired frequency is easily selected both before and during treatment setup SmartHeads The Dynatron 850plus includes Dynatronics new SmartHead ultrasound applicator These soundheads have calibration numbers programmed into them allowing the soundheads to be freely exchan...

Страница 88: ...perature water to cool the head more quickly NEVER USE ICE OR ICE PACKS TO COOL THE SOUNDHEADS as this is likely to cause thermal shock to the electronic components of the soundhead and may necessitate a costly repair Heads damaged by thermal shock are not covered by the warranty When the temperature is again satisfactory press the START key to resume the treatment output power resumes the display...

Страница 89: ...Dynatron 850plus 550plus Ultrasound Technical Information 81 Section IV Contraindications Warnings and Precautions ...

Страница 90: ...e clinician should not expose the patient to risk if possible heart problems are suspected Bacterial Infections The effect on bacteria is uncertain and it is advisable that bacterial infections should not be treated Malignancy The use of Interferential Premodulated High Volt Biphasic or Russian Stim treatment is contraindicated in patients with clinically diagnosed cancer Additional warning from t...

Страница 91: ...anger of injuring the patient Do not treat such areas unless you have sufficient training and experience in applying this therapy for such cases and you are confident you can deliver the treatment safely without injuring the patient When treating any conditions contributing to loss of sensation or any time the patient cannot feel the electrical stimulation do not exceed an intensity setting of 12 ...

Страница 92: ...rs the most important being patient susceptibility and current density The practitioner has little control over patient susceptibility other than to observe first time patients carefully However current density is totally controllable It is important to note that the intensity displayed is not a measurement of the current delivered For interferential premodulated and biphasic stim this is a relati...

Страница 93: ...ow transcerebrally through the head 4 The use of TENS whenever pain syndromes are undiagnosed until etiology is established Warnings 1 The safety of TENS devices for use during pregnancy or delivery has not been established 2 TENS is not effective for pain of central origin This includes headache 3 TENS devices should be used only under the continued supervision of a physician 4 TENS devices have ...

Страница 94: ...nsitized by medication Do not use in general area where high powered high frequency transmitting surgical units are being operated Short wave diathermy should not be turned on or used at the same time as this Dynatron device Do not use the same power outlet or line with a whirlpool and certain traction machines In areas which are carpeted and static electricity is present it may be necessary to us...

Страница 95: ...a loss of normal skin sensation The Dynatron 850plus ultrasound should not be applied to the following areas Transcerebrally To the eye To the ear Over a carotid sinus To the heart To major subcutaneous nerves and blood vessels To the spinal cord Around the bulbar area of the spinal cord To reproductive organs Over viscera stomach spleen liver Over epiphyseal areas of the bones in growing children...

Страница 96: ... where high powered high frequency transmitting surgical units are being operated Short wave diathermy should not be turned on or used at the same time as this Dynatron device Do not use the same power outlet or line with a whirlpool and certain traction machines In areas which are carpeted and static electricity is present it may be necessary to use a conductive mat to remove any static charge fr...

Страница 97: ...herapy currents This can cause a reaction similar to a heat rash Electrotherapy treatment can result in a rash burn or blister The tendency to do this is dependent upon the factors listed above and can be minimized by applying the following guidelines 1 Use only moderate current It is not always necessary to raise the treatment intensity to just short of the patient s pain threshold to achieve ade...

Страница 98: ...ectrode The area where the leads attach to the electrode either through a lead or a snap should not be damaged such that the connection to the foil backing behind the adhesive is broken Carbon electrodes should be deep black and should be free of cracks in the electrode surface Any electrode which is suspect should be discarded it s not worth the price of an electrode to risk harming a patient 4 S...

Страница 99: ...a general rule carbon electrodes that are used regularly should be replaced at least every six months Do not take chances with patient safety Discard worn carbon electrodes If you think your carbon electrodes are showing wear you can send them to Dynatronics to be tested with an ohm meter Good carbon electrodes should test at between 40 and 200 ohms Unfortunately practitioners frequently send us e...

Страница 100: ...hrough the soundhead the following are the recommended maximum stim intensities refers to premodulated biphasic or Russian stimulation only Maximum Recommended Intensity Head Size for Electrotherapy 1cm2 head 3 6 2cm2 head 4 7 5cm2 head 10 15 10cm2 head 15 20 Lead Wires Even with good care lead wires will eventually develop breaks open connections simply from normal usage and they must be replaced...

Страница 101: ...urely together move the leads around wiggle the cord especially at the jack end of the cord If the tone sounds even for a short time check to be sure you are holding the pins together If the tone continues to sound and you are certain the pins are touching the leads are probably bad and should be replaced 4 After the test remove the lead from Channel 1 Plug in the next lead to be tested and contin...

Страница 102: ...u increase the intensity ensure that the patient feels the current as expected If the patient is unable to feel the current you could unintentionally raise the current to a level much too high and risk causing unnecessary possibly severe discomfort to the patient Keep the intensity very low if the patient has little or no feeling in the treatment area see Contraindications Warnings and Precautions...

Страница 103: ...current density than when using electrodes Therefore low to moderate intensity settings will be much more comfortable for the patient especially when treating sensitive areas 3 When using electrodes ensure that the area on the patient s skin where the electrode is to be placed is clean and free of all foreign matter This includes powders perfumes and the like as well as body oils or dirt and grime...

Страница 104: ...nt may feel periosteal pain bone ache pain If the rate is too fast or if the applicator head becomes uncoupled with the skin the amount of energy delivered is reduced and the soundhead can overheat Patient Susceptibility Some patients skin is more sensitive to ultrasound output This can cause a reaction similar to a heat rash Potential for Burns It is possible for a patient to suffer a burn from u...

Страница 105: ...select a penetration level that does not cause periosteal bone pain Coupling The term coupling refers to the ability to deliver ultrasonic waves from the soundhead to the skin surface with as little impedance or dissipation of power as possible The best coupling is achieved when the ultrasound head has full direct contact over the treatment site or when the treatment site and soundhead are separat...

Страница 106: ...Dynatron 850plus 550plus Ultrasound Technical Information 98 ...

Страница 107: ...Dynatron 850plus 550plus Ultrasound Technical Information 99 Section V Ultrasound Technical Information For the Dynatron 850plus Only ...

Страница 108: ...maximum emission FDA 21CFR 1050 10 c 2 The treatment timer must be accurate to within 0 5 minute of the preset duration of emission for settings less than 5 minutes to within 10 percent of the preset duration of emission for settings of from 5 minutes to 10 minutes and to within 1 minute of the preset duration of emission for settings greater than 10 minutes NOTE The Dynatron 850plus is accurate t...

Страница 109: ...following diagrams show the typical spatial distribution of the radiated field for each size of Dynatron 850plus sound head This applies to the radiation emitted into the equivalent of an infinite medium of distilled degassed water at 30 C and with line voltage variations in the range of 10 percent of the rated value 1 MHz 2 MHz 3 MHz 10 cm2 Head Near Field ...

Страница 110: ...Dynatron 850plus 550plus Ultrasound Technical Information 102 1 MHz 2 MHz 3 MHz 5 cm2 Head Near Field ...

Страница 111: ...Dynatron 850plus 550plus Ultrasound Technical Information 103 1 MHz 2 MHz 3 MHz 2 cm2 Head Near Field ...

Страница 112: ... for you to enter the unique parameters for that soundhead into the Dynatron 850plus before using the soundhead The following instructions are provided only in the event you need to enter soundhead parameters Be sure to follow these steps carefully to ensure you have entered all parameters correctly The procedure utilizes keys and displays on the key pad that are normally used for other purposes b...

Страница 113: ...The CONT and 1 MHz LEDs are lighted Enter the value for F1 1 MHz by pressing the time selection keys until the desired value is displayed in the Time display Use the Time Selection up down keys to enter the desired number The value you enter is displayed in the TIME display Press and hold the up or down key to move more quickly to the desired number or press and release the key to step up or down ...

Страница 114: ...ation Procedure New soundheads that accompany a new device are calibrated at the factory and do not require calibration before initial use However new soundheads purchased separately to add to an existing device may require re calibration before use Also soundheads must be calibrated with the device every six months to a year to ensure proper operation The calibration procedure is provided for use...

Страница 115: ...ows the stored frequency values for the soundhead that is being calibrated The output power display is set to a value of zero The LED for 1 MHz should be illuminated indicating the soundhead is now ready to be calibrated for this frequency If it is not press the toggle key to select 1 MHz now 3 Press STOP and the TIME UP ARROW simultaneously to enter the Temperature Mode The temperature of the sou...

Страница 116: ...ough 5 above 8 Press the frequency toggle key to select 3 MHz The 3 MHz LED will light indicating the soundhead is now ready to be calibrated at this frequency Repeat steps 3 through 5 above 9 If you wish to cancel the calibration procedure without storing any new calculations press the PAUSE key 10 This completes the calibration of one soundhead For devices that use more than one soundhead you mu...

Страница 117: ... is stopped and the soundhead must be cooled down before the treatment can resume Once the soundhead is cooled press Pause or Start to resume the treatment See Ultrasound Instructions in this manual for more information regarding warnings for a hot soundhead and the new soundhead temperature graph available for software revisiong 1 02 1 03 or later as well as more complete information for cooling ...

Страница 118: ...f an ultrasound treatment the error message HEAD is displayed in the Time display If this error occurs check to be sure the soundhead is firmly plugged into its connector If you are unable to clear the message by reconnecting the soundhead contact Dynatronics customer service department at 1 800 874 6251 for assistance Other Error Messages in the Display Certain conditions can cause an error in op...

Страница 119: ... is gone ERROR 13 The Error 13 message can occur if you plug in a soundhead while the device is on If you get this error make sure the soundhead is firmly plugged in then turn the device off and on again The message should be cleared If you have tried all of these suggestions and the error is still displayed on the LEDs the device may require service by the manufacturer Make a note of the error me...

Страница 120: ...Dynatron 850plus 550plus Ultrasound Technical Information 112 ...

Страница 121: ...Dynatron 850plus 550plus Service 113 Section VI Technical Information ...

Страница 122: ...phasic Stimulation 50 to 400 µs pulse duration 1 200 Hz 50 levels see diagram Power output 0 to 100 milliamps into a 500 ohm load each channel NOTE Devices for Canada and Japan have a 0 to 50 milliamps range Devices with the 50 mA limit are available for any user specifying this limit Microcurrent Specifications Output Waveform Two different waveforms are provided 1 a monophasic pulse with equal o...

Страница 123: ... Transport and Storage This equipment is capable while packed for transport or storage of being exposed to environmental conditions not outside the following ranges a an ambient temperature range of 40 C to 70 C b a relative humidity range of 10 to 100 including condensation c an atmospheric pressure range of 500 hPa to 1060 hPa Operation This equipment complies with requirements for operation in ...

Страница 124: ...sharply or wrapping cords tightly Undue stress on cords can damage connections Keep all food and soft drinks away from the machine and its accessories spills can cause costly damage to the machine and repairs for this type of damage are not covered by the warranty Do not drop the unit or the soundheads as severe damage will occur Ultrasound heads should be cleaned with warm water Always keep the h...

Страница 125: ... household vacuum hose may be used to clean dust from air vents externally 6 Immediately report any device malfunction to Dynatronics Customer Service Department NOTE BEFORE sending a device to Dynatronics for service you must FIRST obtain a return authorization number Call Dynatronics Customer Service Department at 1 800 874 6251 and discuss any problems or required service to save time and ensur...

Страница 126: ...it in for repair and why It shows customer complaint or problem information and has the address where the unit should be shipped after repair When a service call is received by Dynatronics the following information must be supplied before an RA number can be issued 1 User name and address 2 User phone number 3 Serial number of the unit 4 A description of the problem with the unit This information ...

Страница 127: ...ipping damage resulting from a poorly packaged part or unit Definition of Symbols Some or all of the following symbols are included in the labeling for this device The meanings of the symbols are described here Alternating Current Attention consult accompanying documents Off power disconnection from the mains On power connection to the mains Type BF patient applied part Equipment Classification Th...

Страница 128: ... no pin Patient cable from device The FDA has issued a Public Health Advisory regarding Unsafe Electrode Lead Wires and Patient Cables Used With Medical Devices This warning pertains specifically to lead wires with unprotected pins that is leads with one end connected to the patient and the other end having pins that can be inserted directly to a power source such as a wall AC outlet The diagrams ...

Страница 129: ...bly cause death serious injury or serious illness Definition of serious injury A serious injury is an injury that 1 is life threatening 2 results in permanent impairment of a body function or permanent damage to body structure or 3 necessitates medical or surgical intervention by a health care professional to i preclude permanent impairment of a body function or permanent damage to body structure ...

Страница 130: ...Dynatron 850plus 550plus General Technical Information 122 ...

Страница 131: ...Dynatron 850plus 550plus Service 123 Section VII Service ...

Страница 132: ...trolled rate It chooses the rate and frequency from what is selected on the keyboard when the treatment is set up or when changes are made during the treatment It tracks and keeps the fixed frequency where it should be during the treatment It also keeps track of the 2500 Hz signal that creates the Russian therapy turns it on and off at a 50 Hz rate OSCILLATORS 1 4 KHz fixed 2 4000 4010 Hz Interfer...

Страница 133: ...patient lead and the connector that touches the small RING on the patient lead need to be soldered together there is no connection to the ground contact To measure the continuity of the leads turn the meter from OFF to the setting shown to 0000 figure this is the continuity checker of the meter Then plug the red and black leads of the DVM into the matching alligator clips so that the meter lead fi...

Страница 134: ...anty with the manufacturer you will be notified of any software updates that may become available in the future Installing Replacement Parts Since software updates for the Dynatron 950 plus and 650 plus are provided from an external connection it is not necessary to replace the EPROM in the device This device is not generally serviceable in the field If you wish to perform any service on the devic...

Страница 135: ...Dynatron 850plus 550plus Schematics and QC Check Lists 127 Section VIII Schematics and QC Check Lists ...

Страница 136: ... pairs c Two Channel Co contraction channel pairs d Verify current limit 50mA maximum 5 CHECK labels screws chime jacks remote stop micro probe conductance 6 FUSE verify rating 1 6 Amp slow blow 250v 7 VERIFY a Custom Presets b Check Lead Test target sweep upon power up or function target after power up c Check lead warning d Conductance bar graph 8 Microcurrent a Verify at 10 uA 10 and at 990 uA ...

Страница 137: ...gh soundhead using combo cable Verify ultrasound output power for each head per table below 5cm 2 5 Watts 0 5 5 Watts 1 0 10 Watts 2 0 1 MHz 2 4 2 6 4 9 5 1 9 8 10 2 2 MHz 2 4 2 6 4 9 5 1 9 8 10 2 3 MHz 2 4 2 6 4 9 5 1 9 8 10 2 10cm 5 Watts 0 5 10 Watts 1 0 20 Watts 2 0 1 MHz 4 9 5 1 9 8 10 2 19 0 20 4 2 MHz 4 9 5 1 9 8 10 2 19 0 20 4 3 MHz 4 9 5 1 9 8 10 2 XXXXXXX 2cm 1 Watt 0 5 2 Watts 1 0 4 Wat...

Страница 138: ...tion channel pairs d Verify current limit 50 mA maximum 6 CHECK labels screws chime jacks remote stop micro probe conductance 7 FUSE check rating 1 6 0 8 Amp slow blow 250v 8 VERIFY a Custom Presets b Check Lead Test target sweep upon power up or function target after power up c Check lead warning d Conductance bar graph e Labels 9 Microcurrent a Verify 10uA 10 and 990uA 1 b Conductance changes wi...

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