the Forte Ultrasound
Contents
1. Forte CPS Series USER MANUAL ULTRASOUND A CHATTANOOGA GROUP INC Table of Contents Remember When Operating the Forte Ultrasound 1 mis ae oe ee eee Er tee ec rn Eris Dan Qe ieee ET 2 Welcome to the Forte Ultrasound ooo 2 Features of the Forte Ultrasound asia ee 2 FOLC WONG ta nn Wud By A oe oss ae ten es eee ee Be nla he a es Ohad ee Ge ey 3 Precautionary InStructiONS 2 o 2 04 66e4 86 9084 Shed bbe Be ba bua ded Ee ee beaded de 3 Prineiples OF Operation bak sus ddd SL eRe wa Phone ee oY ha aha eek REM eee eee 5 Initial Set pINStrUCUONS seste 00 a a aoe eRe a ee a eee Penne dien rel 5 System COMPONENTS ssepe aN aia case te HAG oh ak ED la BO ee gd LR Ee Ml eee 5 Optional Accessories 2 ee eee 5 Operator lintertace 24 2 cade bi gets 895 Bie oA bd whee GAS heheh A Pe be bees hs 5 Operating Controls 222 2024524 Kun Bees an Yee hw BARS Bae Oe DAG eee ran ed EES 6 Indications and Contraindications saka kk a ka eee 7 Imdieations aa ig 2 See a Bele eon Aide tad let oad of he koe ee fs bod we x ee aed ER Eee aD 7 CONTAINGICATIONS AA NG RAP RANG PA KAN Bede Se a ee ee dan daran 7 PRECAUTIONS Ane snout a ees ae ee Sales BE es See ee fae eee a coke es aes 7 VVALHIDGS agar oie PEO eee ah Bo A cen a Fe ie ee Ge 8 Potential for BUMS siberi 222 2545 ehh bodes Rho ed cA Phe een eS ee SRE Dee eh Eee 8 To Prevent Overheating of Soundhead eee 8 Preventing Adverse Effects 8 Handle Applicator with Cale2. crystal at 1 0 MHz O watts at 3 3 MHz Variable from O watt to 10 watts 5 cm crystal Variable from O watt to 4 watts 2 cm crystal 15 Output Meter Accuracy 20 for any output above 10 of maximum Temporal Peak t Average Intensity Ratio 2 1 20 for 50 Duty Cycle 5 1 20 for 20 Duty Cycle 9 1 20 for 10 Duty Cycle Output Continuous 1 MHz or 3 3 MHz nominal signal that is activated as long the timer is operating Pulsed 1 MHz or 3 MHz signal modulated 100 by the 100 Hz rectangular wave with the selected Duty Cycle Timer Accuracy 0 2 minute Power Input 100 250V 1 0 A 50 60 Hz Output m 4 12V 4 1 A Fuse 40A Battery Power Option When purchased as an accessory the Forte ultrasound can operate with the provided rechargeable power supply Rechargeable Nicad batteries for approximately five hours of continuous use Please follow the provided instructions included with your battery power option regarding connecting to unit and recharging procedures Note When operating with wall power if you then change to battery power all parameter settings will be reset to the power up preset values Installation e On the bottom of the Forte ultrasound you will see a strip of silver tape labeled BATTERY DRAWER SCREW Peel off this strip to expose the screw See A e Remove screw with a regular screw driver e Remove the back panel dra
3. rai a ER an ek ew na an a ran ee OES 9 USAS QUA fs a hero da a E er ee 10 Introduction to Ultrasound Therapy 10 Forte Clinical Features 22 2 04 20 02 2 Em an E OSE UR OE EL Ee de ee 10 General Setup STEPS corrio Gaede d bak ag a ed e epa a Red ede ed dad ae debe ees 10 Power Up Preset Parameters saa aa aa Wak Wa eee 10 QUICK St it 5 a0 2220 miem gi ag a ie a da ss hee a eee 11 Detailed Setup Steps u 2 u a a a a es eee wd a 11 Clinical Protocol System Setup Procedures_ aaaea 11 OPEN AMAN RAN BARENGA AAN he ee a ne pe eso oye Gee 12 Iwo Year Limited Warranty 2 ser se ss Saeed PERA eS es heed 12 System Utilities 34 4 4 2 2 22 24 42H 3460 he bbe baw eb et ee 13 Maintenance INStructlonS 2 4 2 2 ts a Woe a a a ada rk 14 System IFOUBDIESHOOUNG drama sga ana an anne Phe alee a aa ad 14 Technical Specifications for Ultrasound 15 Description of Ultrasound Field 18 Glossary ne Pens ida do ne ES ds 21 Power Cord Illustration cr A ek ee da 22 Remember when Operating the Forte Ultrasound Changing Stored Protocols The following power up protocols can be changed and stored as new protocols Frequency Duty Cycle Treatment Time and Intensity To modify first make the desired changes the press and hold the INTENSITY KEY followed by the DISPLAY KEY ic until a click is heard W cm tensity Display Brightening or Dimming LCD Screen To brighten or dim the LCD Screen first press and hold down the INTEN
4. US Abbreviation Meaning Area Effective Radiating Area Coll Collimating BNR Beam Non Uniformity Ration Freq Frequency Beam Profile of the 10 cm Transducer Operating at 1 MHz Spatial distribution of the radiated field is essentially a collimated beam of the ultrasonic energy having a cross sectional area of 8 5 cm for the 10 cm sound head when measured at a point 5 mm from the transducer face Energy distribution within the radiated field is 2 4 W cm maximum and it takes a generally conic shape having decreasing intensity at progressively increasing distance from the face of the transducer This field distribution applies for the radiation emitted into the equivalent of an infinite medium of distilled degassed water at about 30 C and with power line variations in the range of 10 of the rated voltage PLOT OF ULTRASONIC FIELD SPACIAL DISTRIBUTION 10cm 1MHz PERCENT OF POWER RADIAL DISTANCE FROM CENTER OF APPLICATOR HEAD millimeters 18 Beam Profile of the 5 cm Transducer Operating at 1 MHz and 3 3 MHz Spatial distribution of the radiated field is essentially a collimated beam of the ultrasonic energy having a cross sectional area of 4 0 cm for the 5 cm sound head when measured at a point 5 mm from the transducer face Energy distribution within the radiated field is 2 5 W cm maximum and it takes a generally conic shape having decreasing intensity at progressively increasing distance from the face
5. WARNING WARNING WARNING CAUTION CAUTION CAUTION ATTENTION CAUTION CAUTION Explosion hazard if used in the presence of flammable anesthetics The warning symbol for this hazard is prominently displayed on the cabinet For continued protection against fire hazard replace fuses only with ones of the same type and rating Make certain that the unit is electrically grounded by connecting only to a grounded electrical service receptacle conforming to the applicable national and local electrical codes This device should be kept out of the reach of children This device should be used only under the continued supervision of a licensed practitioner Meets IEC EN 60601 1 2 Electromagnetic Compatibility Interference safety standard Care must be taken when operating this equipment around other equipment Potential electromagnetic or other interference could occur to this or to the other equipment Try to minimize this interference by not using other equipment in conjunction with it e k Type B Equipment This unit should be operated transported and stored in temperatures between 15 40 C with relative humidity ranging from 30 60 Consult Accompanying Documents Where the integrity of the external protective Earth conductor arrangement is in doubt equipment shall be operated from its internal electrical power source Batteries should be removed when storing the unit for extended periods of time Prin
6. effective radiating area watts per centimeter squared W cm 21 AI be GROUP INC esse ISO 9001 Certified www chattgroup com 2000 Chattanooga Group Inc 78126 D
7. of the transducer This field distribution applies for the radiation emitted into the equivalent of an infinite medium of distilled degassed water at about 30 C and with power line variations in the range of 10 of the rated voltage PERCENT OF POWER PLOT OF ULTRASONIC FIELD SPACIAL DISTRIBUTION 5 cm 1 MHz r i han i RADIAL DISTANCE FROM CENTER OF APPLICATOR HEAD millimeters 19 PERCENT OF POWER 5 cm 3 3 MHz PLOT OF ULTRASONIC FIELD SPACIAL DISTRIBUTION oe ES FE 0 4 4 pa lt A i ee ER 1 r ctr PA ia ae DES IN ES 60 ta 4 a oa Kh F ra 1 4 o i WAAS Ba a a a ra A et 0 1 a 1 i vr f a i 20 i 1 pedos la tho daraka a baascdog sta opos ea isa RADIAL DISTANCE FROM CENTER OF APPLICATOR HEAD millimeters 20 Beam Profile of the 2 cm Transducer Operating 3 3 MHz Spatial distribution of the radiated field is essentially a collimated beam of the ultrasonic energy having a cross sectional area of 1 8 cm for the 2 cm sound head when measured at a point 5 mm from the transducer face Energy distribution within the radiated field is 2 22 W cm maximum and it takes a generally conic shape having decreasing intensity at progressively increasing distance from the face of the transducer This field distribution applies for the radiation emitted into the equivalent of an infinite medium of di
8. supply Check to be sure all connections are secure and there is no build up of material in the connection area e Soundhead cable Check to make sure the cable is flexible free of kinks not frayed and the insulation is intact e Soundhead face Check to see that there is no build up of gel or foreign material on the aluminum face Cleaning Ultrasound Applicators e To clean these accessories use only soap and water Alcohol may be used to disinfect the aluminum surface but avoid the gray plastic area e CAUTION When cleaning plug input cable into unit to prevent wetting electrical contacts Cleaning Forte US Case e The Forte Ultrasound case may be cleaned by wiping with a damp cloth or mild cleaning solution Avoid abrasive cleansers e Do not immerse unit or power supply and do not spray directly on unit or power supply It is best to dampen cloth then wipe surface System Trouble Shooting Display Messages The following messages are displayed in the Status Area of the screen under the following conditions Message Displayed When Head Over Temp Applicator head reaches a temperature which could damage the crystal No Head Detected Applicator not plugged in or faulty applicator Command Write Fail Failure of communication with applicator Data Read Fail Failure of communication with applicator Programming Failed Failure of communication with applicator Unknown Head Type Failure of communicati
9. SITY KEY Next press either the UP OR DOWN KEY A Y to brighten or dim the screen Introduction e Welcome to the Forte Ultrasound e Features of the Forte Ultrasound e Foreword e Before Using the Forte Ultrasound e Precautionary Instructions Welcome to the Forte Ultrasound The Forte US designed and manufactured by Chattanooga Group Inc offers a new dimension in portable ultrasound therapy made possible by advanced software design and digital signal processing The result is a unit with extraordinary versatility based on simplicity of operation The Forte US allows you to select a frequency of 1 or 3 3 MHz without changing sound heads Sound heads are available in 2 cm 5 cm and 10 cm and include the patent pending Electronic Signature rm feature Duty cycle may be set at 10 20 50 or Continuous Features of the Forte Ultrasound e Clinical Portable Battery Powered Option The world s first truly portable ultrasound system that does not confine you to a wall socket to operate Dual frequency application in the clinic or on the road e Clinical Protocol System An efficient approach for setting up a treatment using preset parameters e Electronic Signature Patent Pending Automatically calibrate the system to any size Forte sound head e Ergonomic Applicators A new ergonomic design that offers a 20 degree contour in the applicator hand grip This ergonomic extra will help deliver uniform ultrasound with greater clinic
10. a of the body where a malignancy is known to be present e The eyes e The reproductive organs e An acute infection or sepsis e A pregnant uterus e A deep vein thrombosis e An arterial disease e An anesthetized area or condition that causes impairment of sensation such as chemotherapy e The epiphyses of skeletally immature children e The thoracic area if the patient is using a cardiac pacemaker e A healing fracture e Ischemic tissues in individuals with vascular disease where the blood supply would be unable to follow the increase Precautions Precautions should be taken when used e For acute conditions of bursitis and tendonitis that can be exacerbated by the use of ultrasound e Over an area of the spinal cord following a laminectomy i e when major covering tissues have been removed e On patients with a tendency toward hemorrhaging Warnings e Always keep the applicator sound head in constant motion e Always keep the sound head in full contact with the patient s skin or submerged under water when setting intensity e Use ample conductive gel to ensure good coupling throughout the treatment If needed apply when setting intensity e Be sure to read all instructions for operation before treating a patient e DO NOT drop the sound head on hard surfaces DO NOT cool the sound head with ice water or ice packs DO NOT allow the sound head to overheat repeatedly All of these conditions are like ly to damage the soun
11. ciples of Operation e Initial Setup Instructions e System Components e Standard and Optional Accessories e Operator Interface e Operating Controls Initial Setup Instructions Remove the Forte US unit and any additional items ordered from the carton and inspect for damage that may have occurred during shipment Check the voltage rating on the serial decal located on the bottom of the unit Plug the unit into a 120 Volt A C outlet or 220 240 Volt A C outlet as required DO NOT attempt to use Direct Current D C DO NOT attempt to use the unit if it is not properly grounded DO NOT place unit in a location where the power supply or power cord could be tripped over or pulled out during treatment Follow the procedures listed in the precautionary instructions located later in this section System Components The following accessories are included standard with your Forte Ultrasound 4248 Conductor Gel 78047 Applicator Ultrasound 5 cm 78126 Operator s Manual Optional Accessories The following is a list of optional accessories 78046 Applicator Ultrasound 10 cm 78048 Applicator Ultrasound 2 cm Operator Interface The operator interface consists of an illustrated control panel next page with a liquid crystal display LCD The LCD is divided into a parameter display field and an active display field The operator is able to view parameter options on the display and make selections by touching the designat
12. d The ERA is always smaller than the geometric area of the sound head but should be as close as possible This measurement is used to calculate the ultra sound intensity in W cm Frequency Selectable to 1 or 3 3 MHz with the 5 cm or 2 cm sound head The lower the frequency the longer the wavelength the deeper the penetration of ultrasound Lead Zirconate Titanate A synthetic crystal used to create the ultrasound beam by vibrating 1 000 000 1 MHz to 3 300 000 3 3 MHz times per second This type of crystal is both durable and efficient in its functions Power A measure of the intensity of the ultrasound delivered to the patient Unit of measure is watts VV Pulse Duration Refers to the amount of time the ultrasound is being delivered in the pulsed mode For example in the 20 duty cycle mode the ultrasound is delivered for 2 msec and off for 8 msec through out the treatment period Pulsed Mode The output of the ultrasound is automatically interrupted during the treatment time This limits the amount of energy delivered to the tissues Sound head The applicator used for delivery of ultrasound to the patient An aluminum face contacts the patients skin lt covers a transducer mechanism that converts electrical energy to mechanical energy in the form of a vibrating crystal Ultrasound Intensity Ultrasound power delivered to the patient expressed in total power as watts VV or in terms of the sound head s
13. d applicator is too slow the patient may feel periosteal pain characterized by a deep ache or pain If motion is too fast or if the applicator head does not maintain good contact with the skin the therapeutic effect of the sound waves will be reduced and the sound head may overheat e Patient Susceptibility Some patients are more sensitive to ultrasound output and may experience a reaction similar to a heat rash Be sure to inspect the treatment area during and following treatment and discontinue if an adverse reaction does occur e Output Power Choose a lower watt setting to reduce output or select a pulsed duty cycle Higher output levels have a greater potential for patient discomfort e Coupling Coupling is described as contact between the sound head and the treatment site and may be accomplished through the use of a coupling agent such as gel lotion or water underwater treatments only Anything used as a coupling agent must be highly conductive Air is a very poor conductor of ultrasonic waves e Head Max Temp Disclaimer Note Head Max Temp is for the protection of the equipment not for the protection of the patient Handle the Ultrasound Applicator s with Care e DO NOT drop the sound head on hard surfaces e DO NOT allow the sound head to reach maximum temperatures repeatedly e DO NOT cool an overheated sound head with ice water or ice packs e All of these conditions are likely to damage the sound head crystal e Da
14. d back again as long as the icon is being pressed An audible tone will be heard when changes are made Note With 2 and 5 cm head switching from 1 to 3 3 MHz results in no change in power When using a 10 cm head at 11 watts or greater changing from 1 to 3 3 MHz reduces power 50 Select Duty Cycle Press the Duty Cycle icon to select 10 20 50 or Continuous duty cycle When the icon is pressed an audible tone will be heard as the duty cycle toggles through the options on the LCD display Select Treatment Time Press the Time icon then raise or lower treatment time using the up and down arrow keys Note The time section of the parameter display field displays set values only Increase Intensity Press the Intensity icon then raise or lower power using the up and down arrow keys Select Start Press Start the timer will count down and ultrasound power will ramp up Note When treatment time has expired a tone will sound Wipe excess coupling media from patient s skin and ultrasound head Clinical Protocol System Setup Procedure 1 2 3 Press Preset button Move highlight box to desired Preset Press ENTER to begin treatment 11 Appendix e Warranty e System Utilities e Maintenance e System Trouble Shooting e Battery Option e Technical Specifications Two Year Limited Warranty The Chattanooga Group Inc Company warrants that the Forte US Product excl
15. d head crystal e CAUTION Use of controls or adjustments or performance of procedures other than those speci fied herein may result in hazardous exposure to ultrasonic energy Potential for Burns It is possible for ultrasound therapy to cause burns if the therapy is not performed properly Skin burns can result from one or more of the following e f the intensity power is too high e f you are using too low a frequency e Using a stationary technique holding the sound head in one place e Moving the sound applicator head too slowly e Treating an area with sensory nerve damage or the loss of normal skin sensations e Desensitized areas can be overheated or burned without the patient knowing it Use extreme caution with these patients e g diabetes neural damage etc e Bony prominences are especially vulnerable they reflect sound waves and increase intensity to the periosteum To Prevent Overheating of the Sound Head e Check to be sure proper contact is being made throughout the treatment e When treating in water make sure that the applicator head is completely under water e For direct coupling you may need to apply more conductive gel or lotion during the treatment to achieve better coupling e You can also reduce the power or duty cycle during the treatment if you are treating an area where it is difficult to obtain good coupling Preventing Adverse Effects e Applicator Movement If movement of the ultrasoun
16. ed area of the control panel The active display field will provide continuous information during the treatments concerning power and elapsed time Parameters are adjusted using control panel buttons on the front of the unit The ultrasound output can be stopped by pressing the PAUSE or STOP buttons locat ed on the right side of the control panel Forte US 5cm Frequency 1 MHZ Duty Cycle 20 Parameter Protocols Intensity Time sen we Cycle Display 0 0 Field jai W cm2 Active We cm Display 5 a Field Head Warm Display Pause Start agra Cg umoa b GROUP INC Operating Controls 1 LCD Screen Display Top Parameter Display Field Bottom Active Display Field e The following are displayed on the LCD Frequency Duty Cycle Power Treatment Time and Presets Top half of LCD is the parameter display field bottom is the active display field 2 Protocols Clinical Protocol System e Select this prompt to access the internal library of presets 3 Intensity Power e Select this prompt to set or modify output power intensity 4 Time e Select this prompt to set or modify treatment time in minutes 5 Frequency e Select this prompt to change to a frequency of 1 MHz or 3 3 Mhz 6 Duty Cycle e Select this prompt to change to a duty cycle of 10 20 50 or Continuous 7 Stop e Select this prompt to stop a treatment session 8 Up Down Arrows e To modify Intensity or Time select
17. ed by someone other than Company the dealer or an approved Company service agent Any malfunction or failure in the Product while it is in the possession of the owner during the warranty period if the malfunction or failure is not caused by a defect in material or workmanship or if the malfunction or failure is caused by unreason able use applications in which the product was not intended or the failure to prove reasonable and necessary maintenance The Company Shall Not Be Liable for Incidental or Consequential Damages Warranty Registration Complete the warranty registration card and return it to Chattanooga within 10 days of purchase The warranty registration card should be filled out completely with the system serial number and serial number of the included ultrasound applicator Warranty registration will ensure that you will not be billed for services that are covered by the warranty policy Complete the entire card included with your system and return postage paid to the Chattanooga Group Inc 12 To Obtain Service from Company or the selling dealer under this warranty the owner must do or abide by the following e A written claim must be made within the warranty period to Company or the selling dealer e f the claim is made to the Company the written claim should be sent to 4717 Adams Rd PO Box 489 Hixson TN 37343 USA Phone 800 592 7329 from outside the US 423 870 2281 The Product must be returned to Company or
18. ian comfort e Head Warming A feature traditionally available in more expensive brands of ultrasound This will help curb the anxiety of patients during the first moments of treatment e Clear LCD display Guide the operator through the setup process providing continuous feedback about treatment settings Gives you optimal visibility during attended procedures e Easy as One Two Go In just two steps you are ready to begin treatment Foreword This manual has been written for the operators of the Forte Ultrasound It contains general instruc tions for operation precautionary instructions and maintenance recommendations In order to obtain maximum life and efficiency from your Forte Ultrasound and to assist in the proper operation of the unit read and understand this manual thoroughly The specifications put forth in this manual were in effect at the time of publication However owing to Chattanooga Group s policy of continuous improvement changes to these specifications may be made at any time without obligation on the part of Chattanooga Group Inc Liability Disclaimer Before administering any treatment to a patient you should become acquainted with the operating procedures as well as the indications contraindications warnings and precautions Consult other resources for additional information regarding the application of therapeutic ultrasound Precautionary Instructions 1 CAUTION Read understand and practice the precau
19. mage resulting from these conditions is not covered under the warranty US Ultrasound e Introduction to Ultrasound e Forte Clinical Features e General Setup Steps and Quick Start e Detailed Setup Steps e Clinical Applications Introduction to Ultrasound Therapy Utilizing ultrasound waves through muscle nerve and connective tissue has been well documented as effective in reducing pain muscle spasms and joint contractures There are several items that affect the penetration of ultrasound on the target tissues Please refer to the literature as a reference on the appropriate frequency for your clinical needs There are 3 ultrasound applicators available with the Forte US 2 cm 5 cm and 10 cm You may select either 1 or 3 3 MHz frequencies for each ultrasound applicator Frequency may be selected either before or during treatment Forte Clinical Features Clinical Portable Battery Powered Option The world s first truly portable ultrasound system that does not confine you to a wall socket Dual fre quency application in the clinic or on the road Clinical Protocol System An efficient approach for establishing treatment based on a library of preset programs Electronic Signature Patent Pending Automatically calibrates the system to any size Forte sound head Head Warming A feature traditionally available in more expensive brands of ultrasound This will help curb the anxiety of patients during the first moments of trea
20. ng Head Warm Touch this option prior to starting a treatment session and the sound head will warm using a percent age of the units power A small icon of a thermometer will appear and a fan will turn on indicating head warming is on Note Head Warm is only possible prior to touching the Start button initiating a treatment When the Start button is pressed Head Warm is turned off Battery Option During battery operation if the unit is left on but not active for more than one 1 minute it will enter a sleep mode to conserve battery power The sleep mode is characterized a blank LCD screen To exit the sleep mode touch the Start key LCD Intensity Contrast If the intensity of the LCD display diminishes press and hold down the Intensity button and touch either the Up or Down key to increase or decrease the display intensity 13 Maintenance Instructions To fully maintain compliance with Federal Regulation Title 21 21 CFR this unit must be recalibrated annually It is recommended that all Chattanooga Group Inc ultrasound products be returned to the factory or an authorized servicing dealer for repairs or recalibration Recalibration is also recommended after the replacement or repair of any major component The following items should be checked at least monthly to ensure proper operation of this unit e Power cord and plug Check to make sure the cord is not frayed kinked or does not have torn or cut insulation e Power
21. on with applicator EPROM Full No more calibration memory left Bad Calibration Data Uncalibrated applicator or corrupted calibration values 14 Technical Specifications For Ultrasound Dimensions 8 25 x 11 x 2 5 Weight 8 lb w out batteries Applicators 2 5 amp 10 cm 2 cm Applicator 5 cm Applicator Frequency MHz 1 0 MHz 3 3 MHz all 5 Frequency MHz 1 0 MHz 3 3 MHz all 5 Power watts O watt to 4 watts Power watts O watt to 10 watts ERA cm 1 8 cm ERA cm 4 0 cm Effective Radiating Area 1 8 cm 0 4 cm Effective Radiating Area 4 0 cm 1 0 cm for the 2 cm crystal for the 5 cm crystal Maximum beam non uniformity ratio 6 0 1 Maximum beam non uniformity ratio 6 0 1 Beam type Collimating Beam type Collimating 10 cm Applicator Frequency MHz 1 0 MHz 3 3 MHz all 5 Power watts 1 MHz O watt to 20 watts 3 3MHz 0 10 watts ERA cm 8 5 cm Effective Radiating Area 8 5 cm 1 5 cm for the 10 cm crystal Maximum beam non uniformity ratio 6 0 1 Beam type Collimating Duty Cycle Pulsed 10 20 50 Continuous 100 Pulse Duration 5 msec 20 50 duty cycle pulsed mode 2 msec 20 20 duty cycle pulsed mode 1 msec 20 10 duty cycle pulsed mode Ultrasonic Power Variable from O watt to 20 watts 10 cm
22. stilled degassed water at about 30 C and with power line variations in the range of 10 of the rated voltage PLOT OF ULTRASONIC FIELD SPACIAL DISTRIBUTION 2cm 3 3 MHz HOT ee Ar PERCENT OF POWER RADIAL DISTANCE FROM CENTER OF APPLICATOR HEAD millimeters 20 Glossary Beam Non uniformity Ratio By nature an ultrasound beam is not homogeneous The BNR is a ratio of the highest intensity found in the beam field to the average intensity as indicated on the output dis play of the unit This measure may not exceed 6 0 1 Because of the areas of increased intensity the sound head is moved continuously during the treatment Continuous Mode The output of the ultrasound is not interrupted during the treatment time This mode imparts the most energy to the tissues and is used when a maximal effect is desired See Duty Cycle Coupling Media An agent used to insure that the ultrasound is transmitted from the sound head to the tissue to be treated Gels or lotions labeled for therapeutic ultrasound use are recommended Duty Cycle This is the ratio of the On time to Total time of the cycle expressed as a percentage The duty cycle describes the pulsed modes of ultrasound The lower the percentage the lower temporal average intensity 100 is continuous ultrasound Effective Radiating Area ERA A measure of the ultrasound beam made underwater 5 mm from the radiating surface of the sound hea
23. t depending on the power duty cycle and frequency used To save battery power each Forte is equipped with a sleep mode The sleep mode is activated when the unit is powered on and has been left idle for approximately 60 seconds at which time the LCD screen display will become blank To exit the sleep mode press the START button Note With batteries intact and operating with the external power supply connected to a wall outlet the power to the Forte is defaulted to the external power source If the external power supply is dis connected in the middle of a treatment the system will reset and treatment time and intensity will be brought to the power up values 17 Description of Ultrasonic Field The spatial distribution of the radiated field is essentially a collimated beam of the ultrasonic energy having a cross sectional area of 8 5 cm for the 10 cm sound head when measured at a point 5 mm from the transducer face The energy distribution within the radiated field is 2 4 W cm maximum and it takes a generally conic shape having decreasing intensity at progressively increasing distance from the face of the transducer This field distribution applies for the radiation emitted into the equivalent of an infinite medium of distilled degassed water at 30 C and with the line voltage variations in the range of 10 of the rated line voltage Abbreviations The following abbreviations are used on the sound head of the Forte
24. the appropriate button on the control panel and then use the up and down arrows to make changes e To access a Clinical Protocols press the Presets button and then use the up and down arrows to navigate through the available options 9 Head Warm e Select this button to warm the head of the ultrasound applicator prior to treatment Note Turning Head Warm on will be accompanied by a fan turning on and the display of a ther mometer icon adjacent to the active display of Power The fan and icon will stop when Head Temp is turned off A low level of output will be displayed in the active display and not the parameter display field 10 Display e Select this button to change display from w cm Intensity to Watts Power 11 Pause e Select this prompt to pause a treatment session 12 Start e Select Start to begin a treatment session or to accept a preset Indications and Contraindications Indications Ultrasound for use in applying deep heat can be used for treatment of selected medical conditions such as the relief of pain muscle spasms and joint contractures These conditions may be associated with adhesive capsulitis bursitis with slight calcification myositis and soft tissue injuries The Forte Ultrasound can provide therapeutic deep heating between 40 and 45 C in all of its operating modes while using any of the applicators available for this device Contraindications Ultrasound should not be used over e An are
25. the selling dealer by the owner This warranty gives you specific legal rights and you may also have other rights which vary from state to state The Company does not authorize any person or representative to create for it any other obligation or liability in connection with the sale of the Product Any representation or agreement not contained in the warranty shall be void and of no effect System Utilities Audible Tones Audible tones will be heard in the following conditions Changing Frequency or Duty Cycle Max Head Temp is exceeded Low Battery icon is displayed or any error message is displayed Changing Power Up Preset Parameters Change the parameters to your desired settings Next press and hold the Intensity key then touch the Display key At this point your power up presets have been changed Changing a Treatment Parameter Prior to or during a treatment session any parameter may be changed To change Frequency or Duty Cycle press the respective buttons to scroll through the provided options As you scroll an audible tone will be heard to make you aware of the change Intensity and Treatment Time changes are made by touching their respective buttons then using the up or down arrow keys to advance to the desired settings Note Intensity display will first be viewed in the smaller Intensity display box of the parameter display field After touching Start the in treatment display of Intensity will ramp up to your desired setti
26. tionary and operating instructions Know the limitations and hazards associated with using any ultrasound device Observe the precautionary and operational decals placed on the unit 2 CAUTION DO NOT operate this Forte when connected to any unit other than Chattanooga Group Inc devices Contact Chattanooga Group s service department at 800 592 7329 for recommendations before connecting to other devices DO NOT operate the unit in an environment of short wave diathermy use 3 WARNING Federal law restricts this device to sale by or on the order of a physician or licensed practitioner This device should be used only under the continued supervision of a physician or licensed practitioner 4 CAUTION The Ultrasound generator should be routinely checked before each use to determine that all controls function normally especially that the intensity control does properly adjust the intensity of the ultrasonic power output in a stable manner Also determine that the treatment time control does actually terminate ultrasonic power output when the timer reaches zero 5 CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous exposure to ultrasonic energy 6 CAUTION DO NOT use sharp objects such as a pencil point or ball point pen to operate the buttons on the control panel as damage may result 10 11 12 193 14 15 16 17 WARNING WARNING
27. tment Ergonomic Applicators A new ergonomic applicator offers a 20 degree contour in the hand grip This ergonomic extra will help deliver uniform ultrasound with greater clinician comfort General Setup Steps The unique design of the front panel allows you to set up a treatment faster than ever Careful group ing of treatment options allow you to easily identify and select from the appropriate options for a spe cific mode of treatment Two simple steps are all that s needed prior to touching Start and initiating treatment Power Up Preset Parameters Frequency MHz Duty Cycle 20 Treatment Time 5 min Power Clinician Controlled 10 Quick Start The following is a quick step by step procedure for using ultrasound US Before proceeding refer to cautions Procedure Comments Turn power ON The unit will go through self diagnostics followed by the main menu Apply ultrasound gel Follow steps in preparation for treatment Set Intensity Set intensity level for your treatment Press Start To begin treatment End Treatment Clean area of residual gel Detailed Setup Steps 1 2 Turn system power ON The preset parameters as described above will be displayed on the LCD To change the power up presets see System Utilities page 13 Select Frequency Press the Frequency icon to select 1 or 3 3 MHz When the icon is pressed frequency will toggle from 1 to 3 3 MHz an
28. uding acces sories is free of defects in material and workmanship This warranty shall remain in effect for two 2 years from the date of the original consumer purchase of this and extends to any owner of the product during the warranty period Accessories that are included as standard with the product as listed in the users manual are warranted for 90 days Ultrasound applicators 2 cm 5 cm or 10 cm are warranted for one 1 year If this product fails to function during the two year warranty period because of a defect in material or workmanship the company or the selling dealer will replace or repair this product without charge within a period of 30 days from the date on which the defective product is returned to the company or the dealer The company or the dealer will ship the replacement or the repaired product to the owner All calibration and repairs must be performed by a service center authorized by the Chattanooga Group Inc Any modifications or repairs performed by unauthorized centers or groups will void this warranty To partic ipate in warranty coverage the products warranty registration card included with the product must be filled out and returned to the Chattanooga Group Inc buy the original owner within 10 business days of purchase This warranty does not cover Replacement parts or labor furnished by anyone other than the Company the dealer or an approved Company service agent Defects or damage caused by labor furnish
29. wer cover Retain this cover in a safe place for future use e Connect battery supply lead cable to the Forte power supply cable See B e Slide battery pack into Forte ultrasound until the rear door engages e Position screw with finger tips until threads engage Finger tighten until snug The screw must be reinstalled to prevent the battery from falling out NOTE Reverse Process for battery removal 16 Rear view of Forte Ultrasound showing back panel Power supply door removed and Forte power supply cable being connected to Battery Cable Bottom view of Forte US Rechargeable battery Battery cable within sliding drawer Caution Operating the Forte ultrasound with a rechargeable power supply different than provided by the Chattanooga Group Inc can damage your system Be aware that using a rechargeable power supply other than provided by the Chattanooga Group Inc will nullify the warranty Battery Pack Recharging e Remove batteries from the unit e Connect battery supply lead cable to charger supply cable e Plug recharger in to a wall outlet Battery recharger and connecting cable Rechargeable battery within sliding drawer Recharge batteries when the battery icon is displayed on the LCD display Recharge for a minimum of 10 to 12 hours for optimum performance Repeated recharging of over 12 hours will affect the charge time and life of the battery A fully charged battery will provide 2 5 hours of treatmen
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