1 - ERS Biomedical
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1. Problem Solving Through Innovation A CHATTANGOGA b GROUP Sisa ISO 13485 CERTIFIED gt Vect by Chattanooga Group User Manual STIM and COMBO Electroluminescent LCD Clinical Protocol System User Defined Protocols Gel Warmer Table of Contents FOG WOE fied potato tae de elon ies titi ta MCS hatte ce NM LR cape Pe NS Ne wet o a Stata ee cn Solis a 5 ProductiDescription te at a a em A eo o e e al a de e es 5 Precautionary INStructions pra A A A BOG ee eee tie aa ee 6 linStallatiOnisin z rr ca ost eee ete brotha at Sas ote lad aaa dene heat E os Whe coe da ee LE 8 Package Contents Me usos rev dee ae da Ds ele de Les suite oe tn a DU dS ates Wi Pa er Wie a ou 9 Indications Contraindications and Adverse Effects for Electrical Stim 2 0 0 0 000000 eee 10 Hand Held Probes sxe tad ei eral eats ese heed Ra ie Ea oy eae Ee ae EIA 13 User Maintenance lt a tdt aia erase eee Wet ate De O ais eee he ET day adits ce ate a 14 Technical Maintenance nerina eA edana ro bledo A CON elt roo Hiab Ul nN ae e a t O Nabe 2 14 Unit Orientations ns eu ta Qo biG GAR ae waa Ad Phe A herded lt 15 Operator IAtenace ns o 6 23 til BAA te RAS AG Beton DAA ba dd ante eG ARE Booted So hee A tee Os 17 Pain Management ret sasas dors acid as bak wine ewe a a We Ache aa dea hod eb aa 19 Interterential ts generan war mScat od haved E a sah sl taa e Mtge 20 Premod latedi e e A A o tec e a rs leo ha RRM tea oem cata eo 24 Miciocurrent ens2. All repairs must be performed by a service center authorized by Chattanooga Group Any modifications or repairs performed by unauthorized centers or groups will void this warranty To participate in warranty coverage the warranty registration card included with Product must be filled out and returned to Chattanooga Group by the original owner within ten business days of purchase This Warranty Does Not Cover 1 Replacement parts or labor furnished by anyone other than the Company the dealer or an approved Company service agent 2 Defects or damage caused by labor furnished by someone other than Company the dealer or an approved Company service agent 3 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 unreasonable use including the failure to provide reasonable and necessary maintenance VECTRA USER MANUAL STIM AND COMBO 41 Company Shall Not Be Liable for Incidental or Consequential Damages to Property or Business Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you TO OBTAIN SERVICE from Company or the selling dealer under this warranty the owner must do or abide by the following 1 A written claim must be made within the warranty peri
3. NOT operate the Vectra when connected to any unit other than Chattanooga Group devices DO NOT operate the unit in an environment of short wave diathermy use AN CAUTION Text with a CAUTI ON indicator will explain The Ultrasound generator should be routinely checked before each use to determine that possible Safety infractions that could have all controls function normally especially that the intensity control does properly adjust the the potential to cause minor to moderate intensity of the ultrasonic power output in a stable manner Also determine that the injury or damage to equipment treatment time control does actually terminate ultrasonic power output when the timer reaches zero A WARNING Text with a WARNING indicator will This unit generates uses and can radiate radio frequency energy and if not installed and explain possible Safety infractions that will used in accordance with the instructions may cause harmful interference to other devices potentially cause serious injury and in the vicinity However there is no guarantee that interference will not occur in a particular equipment damage installation Harmful interference to other devices can be determined by turning this unit on and off or trying to correct the interference using one or more of the following Reorient or A DANGER Text with a DANGER indicator will relocate the receiving device increase the separation between the equipment connect the A x unit to
4. The Vectra provides multiple waveforms and a Clinical Protocol Library to help you select the appropriate waveform and parameter settings Three waveforms are available for Pain Management therapy Interferential Premodulated and Microcurrent Ch 1 Available Ch 2 Available Ch 3 Available Ch 4 Available US Available VECTRA USER MANUAL STIM AND COMBO 000090 Interferential The Interferential waveform consists of two channels each with a sinusoidal waveform one of fixed frequency and one of variable frequency Beat Frequency Balance 0 150 Hz S When the four electrodes are positioned so that the two channels cross each other the two waveforms mix within the tissue to produce a train of pulses whose frequencies and amplitude are dependent on the sweep mode beat frequency and amplitude settings respectively Press the Interferential button to select this waveform 0 0 Time Volts CV Volts CV 20 minutes Ch 1 IFC Ch 2 IFC 20 00 Ch 3 Available 0 0 Ch 4 Available Volts CV Volts CV US Available 0000090 6000090 20 VECTRA USER MANUAL STIM AND COMBO When you press the Beat Frequency button 5 options are displayed They are 80 150 Hz default 1 150 Hz 1 10 Hz Fixed and Variable The Fixed option allows you to select a fixed frequency from 1 200 Hz The selected option is highlighted To change the Fixed frequency press the Fixed button then press the Back button press the
5. a sweep mode For example when using a sweep of 80 150 Hz 80 Hz is the lowest frequency To change the Beat Low frequency press the Beat Low button then use the up or down arrows to change the frequency Beat High describes the highest frequency in the range of a sweep mode For example when using a sweep of 80 150 Hz 150 Hz is the highest frequency To change the Beat High frequency press the Beat High button then use the up or down arrows to change the frequency 24 VECTRA USER MANUAL STIM AND COMBO Cycle Time parameter controls the on off cycle time of the current There are 7 available options Continuous default 10 50 5 5 10 10 10 20 4 12 and 10 30 Treatment Time if the allotted time for treatment To change the time parameter press the Time button then use the up or down arrows to change the time Amplitude is displayed under the time display and when viewing a channel on the lower left side of the screen Constant Format Constant Current CC Default or Constant Voltage CV output is available on Premod VMS and Russian current only These waveforms are commonly used to elicit a muscle contraction and clinically one may wish for current output to be in either format High Volt and IFC are set on CV and Microcurrent on CC without the ability to change this setting Refer to page 18 for more detail Channel The bottom section of the left side of the screen is reserved for channel display The Vec
6. aAa a ae cette tht teas ace AR ea e a A aaa hate a dt da og al ey 26 Muscl Contracts Werte Rae eg ean ds A hee tt dai 27 PUIG WOME teks se ae E A Monee ana eae unl Gi sata cease aks on 8 Wht cat NA 28 RUSS lai Lan A GAs al Naa E dnt te Te A A A in tan A oe han Seatac te Wats Be Me Kates E 29 AN NA A dls ALA 31 Ultrasound Indications and ContraindicationsS eee eee 33 CIITA SOU Oo tities Be eet SS CE CaS i cay E 34 Combination Therapy siak daa ows we rAd cod te taud cate ddd Oo een legs Ae berthed pa dd rada 35 Vectra UTE vidas a as Ok tat Sotelo danse a te Gi ae 36 Technical Specifications ts E Ande ty eae ee A ee E ta a ees 37 Warranty Saeco stot aint A atin on Aes Gates atone Ale hae ele Bae Giana tao ODA 41 Foreword This manual has been written for the owners and operators of the Vectra 4C Vectra 4S Vectra 2C and Vectra 2S It contains general instructions on operation precautionary practices maintenance and parts information In order to maximize use efficiency and the life of your unit please read this manual thoroughly and become familiar with the controls as well as the accessories before operating the unit Specifications put forth in this manual were in effect at the time of publication However owing to the Chattanooga Group policy of continual improvement changes to these specifications may be made at any time without obligation on the part of Chattanooga Group Product Description The Vectra Ser
7. an outlet on a different circuit from that to which the other device s are connected explain possible Safety infractions that are and or consult the factory field service technician for help imminently hazardous situations that would E Use of controls or adjustments or performance of procedures other than those specified result in death or serious injury herein may result in hazardous exposure to ultrasonic energy Aly EXPLOSION HAZARD This unit is not designed to prevent the ingress of water or liquids Ingress of water or m r TS IS liquids could cause malfunction of internal components of the system and therefore Text with an Explosion Haza rd indicator create a risk of injury to the patient will explain possible safety infractions if this DO NOT use sharp objects such as a pencil point or ballpoint pen to operate the buttons equipment is used In the presence of on the control panel as damage may result flammable anesthetics This unit should be operated transported and stored in temperatures between 59 F and NOTE Throughout this manual NOTE may be found These 104 F 15 C and 40 C with Relative Humidity ranging from 30 60 Notes are helpful information to aid in the particular Handle ultrasound applicator with care Inappropriate handling of the ultrasound applicator f b d ay adversely affect its characteristics area O unctio e g esc ibed yav y Before each use inspect treatme ead for cracks whic ay
8. channels output and time information A group of three navigation buttons is located near the bottom of the overlay Start Starts the treatment and initiates the treatment timer Stop Stops the treatment of the selected channel Pause This will pause the selected channel s There are two additional navigation buttons one on each side of the overlay Back Moves you back one screen in the software Home Takes you directly to the main or home screen of the Vectra software Vectra 4C Interferential Premodulated Microcurrent View Edit Channel Select Channel Ch 1 Available Ch 2 Available Ch 3 Available Ch 4 Available US Available High Volt Russian B 0000 Protocols This button gives you access to the both the User and Clinical Protocols Y Function Buttons Ultrasound Combination PROTOCOLS EXi Navigation Buttons 2 Clinical Protocols This library is a series of over 100 protocols where you identify the needs and desired results you wish from a waveform or ultrasound application and the Clinical Protocols algorithm will select the parameter settings All Clinical Protocols can be edited to suit patient comfort VECTRA USER MANUAL STIM AND COMBO 17 User Protocols This is a library that you create You may store up to 24 protocols in the User Protocol library To create a User Protocol simply select a waveform make the
9. conductive medium or an alternative electrode placement e Effectiveness of this treatment is dependent upon patient selection Adverse Effects e Skin irritation and burns beneath the electrodes have been reported with the use of therapeutic electrical stimulation VMS RUSSIAN HIGH VOLT only Indications e Relaxation of muscle spasms e Prevention or retardation of disuse atrophy e Increasing local blood circulation e Muscle re education e Maintaining or increasing range of motion e Immediate postsurgical stimulation of calf muscles to prevent venous thrombosis Contraindications e This device should not be used on patients with demand type cardiac pacemakers e This device should not be used on cancer patients Warnings e The long term effects of chronic electrical stimulation are unknown e Safety has not been established for the use of therapeutic electrical stimulation during pregnancy e Adequate precautions should be taken when treating individuals with suspected or diagnosed heart problems VECTRA USER MANUAL STIM AND COMBO 11 e Adequate precautions should be taken in the cases of persons with suspected or diagnosed epilepsy e DO NOT stimulate over the carotid sinus nerve especially in persons with a known sensitivity to the carotid sinus reflex e Severe spasm of the laryngeal and pharyngeal muscles may occur if the electrodes are placed over the neck or mouth The contractions may be strong enough to caus
10. if Vectra is used in the presence of flammable anesthetics mixture with air oxygen Patients with an implanted neurostimulation device must not be treated with or be in close proximity to any shortwave diathermy microwave diathermy therapeutic ultrasound diathermy or laser diathermy anywhere on their body Energy from diathermy shortwave microwave ultrasound and laser can be transferred through the implanted neurostimulation system can cause tissue damage and can result in severe injury or death Injury damage or death can occur during diathermy therapy even if the implanted neurostimulation system is turned off Note Before administering any treatment to a patient you should become acquainted with the operating procedures for each mode of treatment available as well as the indications contraindications warnings and precautions Consult other resources for additional information regarding the application of electrotherapy Dispose of all products in accordance with local and national regulations and codes Installation Initial Setup Instructions Remove the Vectra 4C Vectra 4S Vectra 2C or Vectra 2S 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 system power supply in to a 100 Volt to 220 240 Volt AC outlet as required CAUTION e DO NOT attemp
11. parameter changes press the Protocols button and select User Protocols Your protocol will be saved in the first available slot Combination This button 4C and 2C only combines ultrasound therapy with Premodulated High Volt VMS or Interferential waveforms Channel The bottom section on the left side of the screen is reserved for channel display The Vectra 4C will display Channel 1 Channel 2 Channel 3 Channel 4 and Ultrasound The Vectra 4S will display Channel 1 Channel 2 Channel 3 and Channel 4 The Vectra 2C will display Channel 1 Channel 2 and Ultrasound The Vectra 2S will display Channel 1 and Channel 2 When the individual channel displays the word Available this indicates they are currently unused and available for use When you select a waveform the Vectra assigns the channel for you As you select a waveform the word Available in the channel box will change to display the waveform you have selected The Channel Select button is used to select the channel you wish to view or modify Current Format Constant Current CC or Constant Voltage CV output is available on Premod VMS and Russian current only These waveforms are commonly used to elicit a muscle contraction and clinically one may wish for current output to be in either format High Volt and IFC are set on CV and Microcurrent on CC without the ability to change this setting Constant Current CC The output waveform maintains its set curren
12. reference e Note Place the reference device as close to the treatment site as possible where it will not interfere with placement of the active treating electrode for example do not place the reference electrode on the leg if you are treating the arm e Use the end of a moistened cotton swab inserted into the ends of both the active treating probe and the reference probe The cotton must touch the probe s metal ring use water to wet the cotton swab before starting the treatment VECTRA USER MANUAL STIM AND COMBO 13 HIGH VOLT Probe The High Volt probe is used to deliver stimulation manually Select the High Volt Waveform then simply plug the Red lead wire active treating into the connector of the Probe The Black lead wire from the same channel should be attached to an electrode and placed near the treatment site The red lead wire is the active treating probe and the black lead wire reference is the reference probe or electrode e Select the parameters you wish to change then press the start button to begin treatment Note Place the reference electrode as close to the treatment site as possible where it will not interfere with placement of the active treating electrode for example do not place the reference electrode on the leg if you are treating the arm User Maintenance To clean turn unit off and unplug the power supply Clean the unit with a damp cloth Do not use abrasive cleaners A small amount of mild household d
13. time parameter press the Time button then use the up or down arrows to change the time Russian Ch Mode Set Intensity Single Channel Channel 1 Duty Cycle Cycle Time 50 10 50 The Russian current is a 2 500 Hz sinusoidal carrier wave interrupted to create pulse trains or bursts The number of bursts per second is determined by the burst frequency and the length of the bursts is determined by the duty cycle Channel Mode provides three methods of treatment including Single channel application Reciprocal application where stimulation alternates between agonists O gt y C t Fi t Burst Freq and antagonists and Co Contract where the timing of stimulation can be coordinated through two channels to simultaneously co contract agonist and antagonist or differing sections of a larger muscle group Pressing the Channel 2 0 seconds Mode button will toggle between Single default Reciprocal and Co Contract Duty Cycle is the ratio of on time to total time of the burst and is expressed as a percentage The options are 10 20 30 40 and 50 default Ch 1 Russian 8000090 Ch 2 Availabli Set Intensity button allows you to set the intensity independently for each A Ch 3 Available individual channel or Both Channels simultaneously This is important when using US Available Reciprocal and Co Contract modes When selecting the Reciprocal mode adjust the intensity for channel 1 default press the Set Intensit
14. Beat Fixed button then use the up or down arrows to change the frequency IFC Ch 1 2 IFC Beat Frequency Beat Frequency Balance Balance Press the 100 Hz lt A gt BACK button to return to Scan the treatment Beat 40 review screen 80 150 Hz 80 150 Hz Press the BACK button Press the BACK button 1 150 Hz to return to the treatment review screen to return to the treatment review screen oro Variable 0 o0 Volts CV Volts CV Volts CV Volts CV 0 0 Time 0 0 Time PA UdG tapi 20 minutes Ch 1 IFC Ch 1 IFC Ch 1 IFC i Ch 1 IFC Ch 2 IFC 20 00 EIEC 20 00 Ch 2 IFC 20 00 Ch 2 IFC 20 00 Ch 3 Available 0 0 Ch 3 Available 0 0 Ch 3 Available 0 0 Ch 3 Available 0 0 Ch 4 Available AN N Ch 4 Available O eR Ch 4 Available Volts CV Volts CV Ch 4 Available Volts CV Volts CV US Available US Available US Available US Available VECTRA USER MANUAL STIM AND COMBO 21 The Variable option allows you to select a Low Beat frequency from 1 199 Hz and a High Beat frequency from 2 200 Hz To make changes in the Variable frequency press the Variable button the Back button then Beat Low or High and select the frequency of your choice IFC Sweep IFC Ch 1 2 IFC Beat Frequency IFC Ch 1 2 Beat Frequency Balance Beat Beat Frequency Balance soo 2 Press the Balance gt Press the 80 Hz Balance gt BACK button Ca BACK button ES to return to
15. OMBO HAND HELD PROBES Optional Microcurrent Probes Active Treating Probe with switch e Plug the Microcurrent probe with switch into the port marked Microcurrent Probe e To deliver Microcurrent to the patient hold the active treating probe as you would hold a pencil press the button near the tip of the probe to start delivery of current e You must also use a Reference Probe or a reference electrode as described below e The active treating probe should touch the patient s skin at the treatment site and the reference probe should touch the patient s skin elsewhere to complete the circuit e Once you press and release the button current will be delivered for the treatment time which has been set in the Microcurrent parameter change screen When the time has elapsed a tone will sound and the device will return to the GSR mode default e The active treating Microcurrent probe senses skin impedance levels when not delivering stimulation This method of skin impedance sensing is referred to as the GSR mode When low levels of impedance are found the number of audible tones per second will increase Reference Probe e The purpose of the reference probe is to complete the circuit allowing flow of current through patient tissue The reference probe should touch the patient s skin away from the location of the active treating probe e Attach the Black lead wire from channel one to the Reference Probe or you may use an electrode as a
16. R MANUAL STIM AND COMBO Technical Specifications Vectra Unit Dimensions 16 W x 21 4D x 8 H 40 6 cm W x 54 6 cm D x 20 3 cm H Weight 13 Ibs 5 9 kg Power Input 100 240V 1 0A 50 60 Hz Fuse 1 0A TIME LAG Electrical Class CLASS Electrical TYPE TYPE BF ATTENTION Consult Accompanying Documents Suitable for continuous operation Ordinary equipment as far as harmful ingress of water VECTRA USER MANUAL STIM AND COMBO 37 Stimulator Output Parameters Parameter Interferential Premodulated Microcurrent Function Electrodes Electrodes Electrodes Probes Carrier Frequency 5000 Hz 5000 Hz N A Beat Frequency 0 200 Hz 0 200 Hz 0 1 1000 Hz Scan Mode On Off N A N A Scan Time 15 sec N A N A Sweep Time 15 sec 15 sec N A Duty Cycle N A N A N A Ramp Up Ramp Down N A N A 1 sec Cycle Time N A 5 5 10 10 10 20 4 12 10 30 10 50 Continuous N A Alternating Time in Seconds N A N A 2 5 sec Polarity N A N A Fat Amplitude CC N A 0 50 mA RMS 10 1000 uA Voltage max CV 200 Volts 200 Volts N A Treatment Time 1 to 60 min 1 to 60 min 1 to 60 min N A Not Applicable 38 VECTRA USER MANUAL STIM AND COMBO Stimulator Output Parameters Parameter Russian High Volt VMS Function Mode Electrodes Electrodes Probes Electrodes Probes Single Recipr Single Recipr Single Recip Co Contraction Co Contra
17. allow the ingress o conductive fluid before each use Inspect treatment head cables and associated connectors before each use 6 VECTRA USER MANUAL STIM AND COMBO A 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 Keep electrodes separated during treatment Electrodes in contact with each other could result in improper stimulation or skin burns Use of controls or adjustments or performance of procedures other than those specified herein may r esult in hazardous exposure to Itrasonic energy For continued protection against fire hazard replace fuses only with ones of the same type and rating Make certain that the unit is electrically referenced by connecting only to a referenced electrical service receptacle conforming to the applicable national and local electrical codes This device should be kept out of the reach of children 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 VECTRA USER MANUAL STIM AND COMBO 44 DANGER or nitrous oxide The warning symbol for this hazard is prominently displayed on the cabinet e Explosion hazard
18. annel 2 then set the intensity for channel two The last option is Both Channels which allows the intensity of both channels to be adjusted simultaneously VECTRA USER MANUAL STIM AND COMBO 31 Cycle Time parameter controls the on off cycle time of the current There are 7 available options Continuous default 10 50 5 5 10 10 10 20 4 12 and 10 30 Frequency is the number of pulses per second pps and the available range is 10 pps to 120 pps Ramp controls the amount of time required to bring the stimulation up to the selected amplitude When you press the Ramp button it will toggle between 5 seconds 1 second 2 seconds default and 5 seconds Treatment Time is the time allotted for treatment To change the time parameter press the Time button then use the up or down arrows to change the time Constant Format Constant Current CC Default or Constant Voltage CV output is available on Premod VMS and Russian current only These waveforms are commonly used to elicit a muscle contraction and clinically one may wish for current output to be in either format High Volt and IFC are set on CV and Microcurrent on CC without the ability to change this setting Refer to page 18 for more detail 32 VECTRA USER MANUAL STIM AND COMBO Ultrasound 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 m
19. apy Products Measurement Instruments Dynamometers Goniometers etc Myossage Massage Lotion Nylatexe Elastic Wraps OptiFlex amp OptiFlex S Continuous Passive Motion Opti Ice Cold Therapy System Para Care Paraffin Wax Unit Pillow Perfect Cervical Pillow Line Pivotal Therapy System Orthotics for the Spine ProPower Pillow Power Massage Pillow PresSsion ntermittent Compression Pron Pilloe Positioning Pillow SensaFlex Hot and Cold Compress SPORT PAC Soccer Ball Shaped Cold Pack Theratherm Digital Moist Heating Pad Therma Wrap Hot and Cold Compression Triton Treatment and Traction Equipment TX Treatment and Traction Equipment Vectra Series Ultrasound and Electrotherapy products Versa Bath Seat Aid to Daily Living Wellness Ist Back Support Women s Contour Back Support Back Support 79542F Problem Solving Through Innovation CHATTANOOGA A GROUP s ISO 13485 CERTIFIED 4717 Adams Road PO Box 489 Hixson TN 37343 u s a 1 423 870 2281 1 800 592 7329 u s a 1 800 361 6661 canapa 1 423 870 2046 outTsIDE u s A FAX www chattgroup com 2004 Encore Medical
20. ction Co Contraction Carrier Frequency 2500 Hz N A N A Pulse Frequency N A 10 120 pps 5 200 pps Burst Frequency 20 100 Hz N A N A Phase Duration N A N A 20 300 microseconds Interphase Interval N A N A 100 microseconds Duty Cycle 10 50 N A N A Ramp Up Ramp Down 5 1 2 5 sec N A 5 1 2 5 sec Cycle Time 5 5 10 10 10 20 5 5 10 10 10 20 5 5 10 10 10 20 4 12 10 30 10 50 4 12 10 30 10 50 4 12 10 30 10 50 Continuous Continuous Continuous Polarity N A Pos Neg N A Amplitude CC 0 100 mARMS N A 0 200 mA Peak into 500 ohm load into 500 ohm load Voltage max CV 200 Volts 0 500 Volts 200 Volts Peak to Peak Treatment Time 0 60 min 0 60 min 0 60 min N A Not Applicable 4S and 4C only VECTRA USER MANUAL STIM AND COMBO 39 Ultrasound Channel US ultrasound Frequency 1 MHz 5 amp 3 3 MHz 5 Duty Cycle 100 continuous mode 50 20 10 pulsed mode Pulse Duration 5 msec 20 50 duty cycle pulsed mode 2 msec 20 20 duty cycle pulsed mode Ultrasonic Power Variable from 1 20 watts 10 cm2 crystal Variable from 0 4 10 watts 5 cm2 crystal Variable from 0 2 4 watts 2 cm2 crystal Output Meter Accuracy 20 for any output above 10 of maximum Temporal Peak 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 ac
21. e breathing difficulty or even close the airway e Do not perform therapeutic electrical stimulation transcerebrally through the head e Therapeutic electrical stimulation should not be applied over swollen infected or inflamed areas of skin eruptions e g phlebitis thrombophlebitis and varicose veins e Use extreme caution in transthoracic application of therapeutic electrical stimulation introduction of electrical current into the heart may cause arrhythmia e This device should only be used under medical supervision for adjunctive therapy for the treatment of medical diseases and conditions e This device should be kept out of the reach of children Precautions should be observed in the presence of the following e Following recent surgical procedures especially when muscle contractions could disrupt the healing process e Where sensory nerve damage is present by a loss of normal skin sensation e When there is a tendency to hemorrhage following acute trauma or fracture e Over the menstruating uterus e Some patients may experience skin irritation or hypersensitivity due to the electrical stimulation or the electrical conductive medium The irritations can usually be reduced by the use of an alternate conductive medium or alternative electrode placement Adverse Effects e Skin irritation and burns beneath the electrodes have been reported with the use of therapeutic electrical stimulation 12 VECTRA USER MANUAL STIM AND C
22. econd 2 seconds default and 5 seconds Display provides two options of viewing output The options are Voltage default and Peak Current The ability to assess peak current can help determine tissue response and an indication of impedance to current at the electrode skin interface Method gives you the option of delivering High Volt to the patient either by Pads default or Probe application High Volt Ch1 Polarity Positive Display Frequency Voltage 100 pps Cycle Time Continuous Time 20 minutes Ch 1 High Volt Ch 2 Available Ch 3 Available Ch 4 Available US Available 000090 Q Q Polarity of the active treating electrode can be changed from Positive default to Negative by pressing the Polarity button When Positive default polarity is selected the Red leadwire is positive polarity and the Black leadwire is negative polarity IF YOU SELECT NEGATIVE POLARITY the Red leadwire becomes negative polarity and the Black leadwire becomes positive polarity 28 VECTRA USER MANUAL STIM AND COMBO Frequency is the number of pulses per second of the waveform To change the Frequency press the frequency button then use the up or down arrows to change the frequency Cycle Time parameter controls the on off cycle time of the current There are 7 available options Continuous default 10 50 5 5 10 10 10 20 4 12 and 10 30 Treatment Time is the time allotted for treatment To change the
23. erapy Twin Peak High Volt Russian and VMS The appropriate selection of a waveform for relaxing muscle spasms increasing local circulation re educating muscles that have been atrophied from disuse or injury or to maintain or improve joint range of motion can be difficult Vectra provides multiple waveforms to address these clinical problems and a Clinical Protocol mode that will help direct you to the appropriate waveform and parameter setting as a starting point VECTRA USER MANUAL STIM AND COMBO 0000090 Interferential Premodulated View Edit Channel Select Channel Ch 1 Available Ch 2 Available Ch 3 Available Ch 4 Available US Available High Volt Russian Ultrasound Combination 000090 27 High Volt High Volt stimulation has output ranges between 300 and 500 volts True Twin Peak High Volt is designed to deliver very short duration pulses which are very low in pulse charge High Volt is available on all channels of the 4S 4C 2S and 2C Sweep is frequency modulation of the High Volt current When you press the Sweep button 4 options are displayed They are 80 120 pps 1 120 pps 1 10 pps and Fixed default at 100 pps The Fixed continuous option allows you to select a continuous fixed frequency from 1 120 pps Ramp controls the amount of time required to bring the stimulation up to the selected amplitude When you press the Ramp button it will toggle between 0 5 seconds 1 s
24. etergent may be used if desired Between patient uses patient applied parts should be wiped clean with a clean damp cloth then use another clean cloth to clean with a hospital grade germicide Follow germicide manufacturer directions Some highly concentrated germicide mixtures could damage the product if not diluted in accordance with directions of the germicide manufacturer Technical Maintenance No attempt should be made to disassemble the unit Maintenance and all repairs should be made by authorized personnel only The manufacturer will not be held responsible for the results of maintenance or repairs by unauthorized persons To fully maintain compliance with Federal Regulation Title 21 21 CFR this unit must be recalibrated annually It is recommended that all Chattanooga Group ultrasound products be returned to the factory or an authorized servicing dealer for repairs or recalibration It is also recommended after the replacement or repair of any major component 14 VECTRA USER MANUAL STIM AND COMBO The following items should be checked at least monthly to ensure proper operation of this unit Power cord and plug Check to make sure the cord is not frayed kinked or does not have torn or cut insulation Sound head cable Check to make sure the cable is flexible free of kinks not frayed and the insulation is intact Sound head face Check to see that there is no build up of gel or foreign material on the aluminum face Lead Wi
25. hod provides two options Pads default and Probes The Probes option allows the use of the optional Microcurrent Probes For more detail of microcurrent probe set up refer to page 13 Frequency 1 0 Hz Time 20 minutes Ch 1 Microcurrent Ch 2 Available Ch 3 Available Ch 4 Available Polarity of the Microcurrent waveform can be Positive default Negative or ws elie Alternating The Polarity of the active treating electrode can be changed from Positive default to Negative by pressing the Polarity button When Positive default polarity is selected the Red leadwire is the positive polarity and the Black leadwire is negative polarity IF YOU SELECT NEGATIVE POLARITY the Red leadwire becomes negative polarity and the Black leadwire becomes positive polarity In the Alternating mode the polarity alternates between positive and negative every 2 5 seconds 0000090 000090 Frequency is the number of cycles delivered per second The number of cycles per second is expressed in Hertz Hz The range of frequency options is 1 to 1000 0 Hz To change frequency press the Frequency button then use the up or down arrows to change the frequency Frequency Tuning provides two options Course and Fine The Course tuning option increases the frequency by 1Hz and the Fine tuning option increases by 1 tenth of 1 Hz 26 VECTRA USER MANUAL STIM AND COMBO Muscle Contraction Three waveforms are available for muscle contraction th
26. ide of the button to decrease contrast pressing the right side of the button to increase contrast Gel Warmer The Vectra 2C and 4C includes a built in gel warmer as a standard feature Gel is warmed to a soothing temperature to increase patient comfort To deactivate the gel warmer use the Utilities screen Utilities To access the Utilities screen press and hold the Home button for three seconds Accessory Port Used for the patient switch or optional manual stimulation switch Mains Plug This is where your main power supply is connected Upgrade The Vectra Series can be easily upgraded The 4S can be upgraded to add ultrasound The 2S can be upgraded to include two more channels of stimulation and or ultrasound The 2C can accept two more channels of electrical stimulation All Vectra Stim or Combo models can be fully upgraded to a Vectra Pro4 model MAINS PLUG 16 VECTRA USER MANUAL STIM AND COMBO Operator Interface The Vectra main screen also called the Home Screen contains buttons for all functions and applications The area overlay surrounding the screen has 10 function buttons 5 navigation buttons and a separate button for Clinical Protocols Top of screen This contains a Title Bar that indicates the waveform or modality being used and the output channels Center of screen This contains the Waveform or Modality parameter options Bottom of screen This displays
27. ies offers a new dimension in electrotherapy ultrasound and combination treatments They offer seven Pain Management and Muscle Contraction waveforms Ultrasound and Combination therapy 4C 2C only The Clinical Protocol System offers over 100 protocols With user defined protocols the clinician can create up to 9 unique electrotherapy and ultrasound protocols Vectra 4C 2C and Vectra 4S 2S are prescription devices used under the supervision or by the order of a physician or other licensed healthcare provider 2004 Encore Medical Corporation or its affiliates Austin Texas USA Any use of editorial pictorial or layout composition of this publication without expressed written consent from the Chattanooga Group of Encore Medical L P is strictly prohibited This publication was written illustrated and prepared for print by the Chattanooga Group of Encore Medical L P VECTRA USER MANUAL STIM AND COMBO 5 Precautionary Instructions A CAUTION The precautionary Instructions found in this section and e Read understand and practice the precautionary and operating instructions Know the throughout this manual are indicated by specific symbols limitations and hazards associated with using any electrical stimulation or ultrasound Understand these symbols and their definitions before operating device Observe the precautionary and operational decals placed on the unit this equipment The definition of these symbols are as follows DO
28. n amplitude and the output display will also reflect the change in amplitude Scan Percentage is the percentage of decrease from the maximum amplitude Scan is amplitude modulation expressed as a percentage of the amplitude The options available are 40 default 100 and Static no scan The rhythmical varying of the amplitude of each channel produces the perceived movement of the Interferential field Treatment Time is the time allotted for treatment To change the time parameter press the Time button then use the up or down arrows to change the time Amplitude is displayed under the time display and when viewing a channel on the lower left side of the screen Channel The bottom section of the left side of the screen is reserved for channel display The Vectra 4C will display Channel 1 Channel 2 Channel 3 Channel 4 and Ultrasound The 4S will display Channel 1 Channel 2 Channel 3 and Channel 4 The Vectra 2C will display Channel 1 Channel 2 and Ultrasound The 2S will display Channel 1 and Channel 2 The individual channel displays have the word Available in them This means they are currently unused and available for use When you select a waveform the Vectra assigns the channel for you As you select a waveform the word Available in the channel box will change to the waveform you have selected Channel Select button is used to select the channel you wish to view or modify View If you wish to view the parameters of an active
29. ns are 10 20 50 and 100 Continuous default Display shows ultrasound output in Watts or Watts Per Centimeter Squared Treatment Time s the allotted time for treatment To change the time parameter press the Time button then use the up or down arrows to change the time 34 VECTRA USER MANUAL STIM AND COMBO Combination Therapy Models 4C and 2C Only In the Combination mode available only on the 4C and 2C ultrasound therapy is combined with Premodulated High Volt VMS or Interferential waveforms to generate a therapeutic effect In this mode of therapy the aluminum face Sm Duty Cycle of the ultrasound applicator becomes one half of the electrical circuit An electrode attached to the Channel 2 Red lead wire completes the circuit O E The benefits of ultrasound as expressed in the ultrasound section are coupled Kigh No Wiem2 with electrical stimulation a typical application of combination therapy is for the reduction of muscle spasm Combination mode is limited to Channel 2 of both the Vectra 4C and 2C Step By Step Instructions e Select Combo Ch 1 Available e Make any desired parameter changes A Ch dear e Set ultrasound intensity act e Select Edit Stim e Set Stimulation intensity e Press Start to begin treatment 000090 Head Warming is a unique feature of the Vectra that allows the aluminum surface of the Ultrasound applicator to warm up to room temperature enhancing patient comfor
30. od to the Company or the selling dealer If the claim is made to the Company written claim should be sent to 4717 Adams Road P O Box 489 Hixson TN 37343 Phone 800 592 7329 Outside US 1 423 870 2281 Fax 423 875 5497 2 The Product must be returned to the Company or 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 42 VECTRA USER MANUAL STIM AND COMBO More Trusted Products from Chattanooga Group Achiever Supports Adaptae Treatment Tables A E R Boot Auto Edema Reduction Boot Cambion Shock Dampening Foot Care Products Carpal Trac Carpal Traction Accessory ColPaC Chilling Units and Reusable Cold Therapy Products Conductor Gel Highly Conductive Ultrasound Gel Contracture Products Contracture Management Orthotic Products cts Carpal Tunnel Stretching Device DURA STICK Electrodes Self Adhesive Electrodes EMG Retrainer EMG Retrainer IR Dual Channel Surface EMG Flexi Pace and Il Reusable Hot and Cold Compresses Gel Medex Gel Mattress Overlay Hydrocollatore Heating Units and HotPacs Intelect Legend Ultrasound and Electrother
31. ost traumatic or postoperative conditions Contraindications e This device should not be used for symptomatic pain relief unless etiology is established or unless a pain syndrome has been diagnosed This device should not be used on patients with demand type cardiac pacemakers This device should not be used over cancerous lesions e Electrode placements must be avoided that apply current to the carotid sinus region anterior neck or transcereberally through the head Warnings e The long term effects of chronic electrical stimulation are unknown Safety has not been established for the use of therapeutic electrical stimulation during pregnancy e Adequate precautions should be taken when treating individuals with suspected or diagnosed heart problems or epilepsy e Benefits of Interferential stimulation have not been established for pain of central origin e This device is to be used as a symptomatic treatment for pain and has no curative value Patients should be cautioned and their activities regulated if pain is suppressed that would otherwise serve as a protective mechanism e Electronic monitoring equipment such as ECG monitors and ECG alarms may not operate properly when electrical stimulation is being utilized 10 VECTRA USER MANUAL STIM AND COMBO Precautions e Isolated cases of skin rash may occur at the site of electrode placement following long term applications The irritation may be reduced by use of an alternate
32. res Check that the cables are not frayed kinked or do not have torn or cut insulation Unit Orientation 2 MENS Operating Channels The Vectra 4C provides four channels of electrical stimulation TTT and one channel of ultrasound while the 4S provides four channels of electrical A K stimulation The Vectra 2C has two channels of electrical stimulation and one nI g Qe J channel of ultrasound while the 2S has two channels of electrical stimulation ca a Probe Port Connect the Microcurrent probe to the Microcurrent Probe port LE Ultrasound Port The Vectra 4C and 2C include a 5 cm applicator which connects A lt a beara to the ultrasound port The advanced electronics of the Vectra reads the calibration data of the ultrasound applicator every time you plug it in or access the ultrasound mode This sophisticated Electronic Signature assures accurate calibration when you apply ultrasound therapy pected Amplitude Control To increase intensity turn the knob clockwise To decrease intensity turn the knob counter clockwise On Off Controls The Power on LED will illuminate when the On button has been pressed indicating that the unit has power and is operational Pressing the Off button will is powered off and not ready for use ULTRASOUND APPLICATOR VECTRA USER MANUAL STIM AND COMBO 15 Contrast Controls Use this button to change the contrast of the display Pressing the left s
33. t Stim button allows the selection of Premodulated default High Volt VMS or Interferential waveforms for combination with ultrasound VECTRA USER MANUAL STIM AND COMBO 35 Edit Stim button allows you to modify the selected waveform s parameters After selecting the Edit Stim screen an Edit US button appears allowing you to modify the ultrasound parameters Frequency of Ultrasound determines the depth of penetration One megahertz penetrates approximately 5 centimeters and 3 megahertz penetrates to 2 centimeters Both 1 and 3 3 MHz frequencies are available and can be changed throughout the course of treatment by pressing the Frequency button Duty Cycle is the ratio of on time to total time of the ultrasound and is expressed as a percentage The options are 10 20 50 and 100 Continuous default Display shows ultrasound output in Watts or W cm Treatment Time is the allotted time for treatment To change the time parameter press the Time button then use the up or down arrows to change the time Vectra Utilities To access the Utilities screen press and hold the Home button for three seconds After making selections press the Home button to return to the Home screen The Language option allows you to select the desired language that is displayed on the Vectra screen Supported languages include English Spanish and French The Gel Warmer turns the Gel Warmer feature on or off 2C and 4C only 36 VECTRA USE
34. t amplitude level as prescribed by the clinician If resistance increases during a treatment the unit will automatically increase the voltage to maintain the current amplitude The CC setting is commonly used when a goal of the selected waveform is to elicit a muscle contraction When CC is selected the clinician needs to monitor the skin and be sure good electrode contact is made throughout the course of therapy as any change in electrode contact or the conducting medium will cause the voltage and current density to increase Self adhesive electrodes are recommended when CC is selected 18 VECTRA USER MANUAL STIM AND COMBO Constant Voltage CV If the output waveform encounters resistance the set voltage remains the same causing the current amplitude to decrease The CV setting is commonly used when a goal of therapy is traditional pain management or sensory level stimulation With Constant Voltage as changes in electrode contact or levels of impedance increase during the course of therapy the output level can decrease potentially limiting the desired physiologic effect View If you wish to view the parameters of an active treating channel press the channel selection button until the channel you wish to view Is highlighted then press the view button Pain Management Interferential High Volt The management of post traumatic post operative or chronic intractable pain associated with many areas of the body can be a difficult task
35. t to use Direct Current DC e DO NOT place unit in a location where the power cord could be tripped over or pulled out during treatment e DO NOT attempt to use the unit if it is not properly referenced 8 VECTRA USER MANUAL STIM AND COMBO Package Contents Standard Accessories The following accessories are included with your Vectra Vectra 4S Vectra 2C and Vectra 25 78047 Applicator Ultrasound 5 cm2 2C and 4C only 4248 Ultrasound Gel 2C and 4C only 12213 Lead 120 Red Black Channels 1 and 2 12214 Lead 120 Red Black Channels 3 and 4 4C and 4S only 72853 Electrodes Carbonflex 3 Round Red 72852 Electrodes Carbonflex 3 Round Black 10648 Nylatex 2 4 x 24 Sewn 79542 Operator s Manual 79540 Patient Switch Optional Accessories The following is a list of optional accessories available for the Vectra 4C Vectra 4S Vectra 2C and Vectra 2S 78046 Applicator Ultrasound 10 cm2 78048 Applicator Ultrasound 2 cm2 57007 Microcurrent Probe with Switch 79977 High Volt Probe Kit 10832 Strap Nylatex Long 2 4 x 48 10648 Strap Nylatex Medium 214 x 24 10828 Strap Nylatex Short 2 x 18 79541 Manual Stim Switch 79571 Service Manual VECTRA USER MANUAL STIM AND COMBO Indications Contraindications Adverse Effects for Electrical Stimulation Interferential Premodulated Microcurrent Indications e Symptomatic relief of chronic intractable pain Management of pain associated with p
36. t treats the tissue under each electrode equally Its single pulses have the same physiologic function as the beat frequency of the Interferential waveform Phase Duration cycle Time ied Low total current makes this waveform good for comfortable sub maximal muscle contractions Frequency cc 50 pps Channel Mode provides three methods of treatment including Single channel application Reciprocal application where stimulation alternates between agonists and antagonists and Co Contract where the timing of stimulation can be coordinated through two channels to simultaneously co contract agonist Ramp 2 0 seconds 000090 and antagonist or differing sections of a larger muscle group Pressing the O men Channel Mode button will toggle between Single default Reciprocal and Co Contract Ch 2 Realable Ch 3 Available Phase Duration is adjustable from 20 300 usec Phase duration is the elapsed US Available time from the beginning to the termination of one phase To change Phase Duration press the Phase Duration button then use the up or down arrows to change the duration Set Intensity button allows you to set the intensity independently for each lt b gt YD Q individual channel or Both Channels simultaneously This is important when using Reciprocal and Co Contract modes When selecting the Reciprocal mode adjust the intensity for channel 1 default press the Set Intensity button and it will change from channel 1 to ch
37. ted neurostimulation system is turned off VECTRA USER MANUAL STIM AND COMBO 33 Ultrasound Head Warming Frequency Off 1 MHz Duty Cycle Continuous 5 minutes Ch 1 Available Ch 2 Available Ch 3 Available Ch 4 Available US Ultrasound 0000090 O gt Q 000090 Ultrasound is a form of mechanical energy that consists of high frequency vibrations delivered to the body by means of an ultrasound beam emitted out of an applicator These high frequency vibrations pass through the tissues of the body and are gradually absorbed and transformed into heat This temperature increase triggers biological changes to occur in tissues for the relief of pain relaxation of muscle spasms and reduction of joint contractures The ultrasound frequency duty cycle and level of intensity can all be adjusted to produce the desired therapeutic effect Head Warming is a unique feature of the Vectra 4C and 2C that allows the aluminum surface of the Ultrasound applicator to warm up to room temperature enhancing patient comfort Frequency of Ultrasound determines the depth of penetration One megahertz penetrates approximately 5 centimeters and 3 megahertz penetrates to 2 centimeters Both 1 and 3 3 MHz frequencies are available and can be changed throughout the course of treatment by pressing the Frequency button Duty Cycle is the ratio of on time to total time of the ultrasound and is expressed as a percentage The optio
38. the treatment Beat Low Scan the treatment Beat Scan review screen review screen Low al 150 Hz to return to 0 0 i 0 0 Time 0 0 Time 0 0 Time Volts CV Volts CV Volts CV Volts CV Volts CV Volts CV Volts CV Volts CV 20 minutes Ch 1 IFC gt Ch 1 IFC o Ch 1 IFC E h 1 1F Ch 2 IFC 20 00 Ch 2 IFC 20 00 Ch 2 IFC 20 00 Ch TIRE 20 00 Ch 3 Available 0 0 Ch 3 Available 0 0 Ch 3 Available 0 0 Ch 3 Available o 0 Ch 4 Available Volts CV Volts CV Ch 4 Available Volts CV Volts CV Ch 4 Available Volts CV Volts CV Ch 4 Available Volts CV Volts CV US Available US Available US Available US Available 22 VECTRA USER MANUAL STIM AND COMBO Beat Low describes the lowest frequency in the range of a sweep mode For example when using a sweep of 80 150 Hz 80 Hz is the lowest frequency To change the Beat Low frequency press the Beat Low button then use the up or down arrows to change the frequency Beat High describes the highest frequency in the range of a sweep mode For example when using a sweep of 80 150 Hz 150 Hz is the highest frequency To change the Beat High frequency press the Beat High button then use the up or down arrows to change the frequency Balance controls the percent level of your set amplitude by channel If you wish the patient to have a greater level of stimulation intensity focused in a particular channel press the button associated with that channel A highlight bar will indicate the change i
39. tivated as long as 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 Sound Head Effective Radiating Area 8 5 cm2 1 5 cm for the 10 cm crystal 4 0 cm2 1 0 cm forthe 5cm crystal 1 8 cm2 0 4 0 2 cm2 for the 2 cm crystal Maximum Beam 5 0 1 Max Non uniformity Ratio Beam Type Collimating 40 VECTRA USER MANUAL STIM AND COMBO Warranty Chattanooga Group Company warrants that the Vectra 4C 4S 2C and 2S Product excluding accessories are free of defects in material and workmanship This warranty shall remain in effect for two 2 years from the date of original consumer purchase of this Product 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 cm2 5 cm2 or 10 cm2 as included with the Combo Combination units are warranted for one 1 year If this Product fails to function during the warranty period because of defect in material or workmanship 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 Company or the dealer will ship the replacement or the repaired Product to the consumer s facility
40. tra 4C will display Channel 1 Channel 2 Channel 3 Channel 4 and Ultrasound The 4S will display Channel 1 Channel 2 Channel 3 and Channel 4 The Vectra 2C will display Channel 1 Channel 2 and Ultrasound The 2S will display Channel 1 and Channel 2 The individual channel displays have the word Available in them This means they are currently unused and available for use When you select a waveform the Vectra assigns the channel for you As you select a waveform the word Available in the channel box will change to the waveform you have selected Channel Select button is used to select the channel you wish to view or modify View If you wish to view the parameters of an active treating channel press the channel selection button until the chan nel you wish to view is highlighted then press the view button VECTRA USER MANUAL STIM AND COMBO 25 Microcurrent Microcurrent is a monophasic rectangular wave with selectable or alternating polarity Many clinicians prefer microcurrent therapy because of the low amperage utilized with selectable polarity Polarity Positive For unattended therapy sessions electrodes are usually placed on each side of the affected area so treatment is administered through the affected area If attended hands on therapy is preferred simply use the optional microcurrent probe s Microcurrent is available through all channels on the 4S and 4C and channels 1 amp 2 on the 2S and 2C Met
41. treating channel press the channel selection button until the channel you wish to view is highlighted then press the view button VECTRA USER MANUAL STIM AND COMBO 23 Premodulated Premodulated Ch 1 Beat Frequency 80 150 Hz Cycle Time Continuous Current Format CV Time 20 minutes Ch 3 Available Ch 4 Available Volts CV US Available 0000090 6000090 Ch 1 Premodulated Ch 2 Available 20 00 0 gt Q Premodulated is an amplitude modulated sine wave This waveform is similar to the beat frequency created by Interferential current In some cases Premodulated therapy provides a good alternative for Interferential treatment especially when treating areas of the body where four electrodes can not be utilized When you press the Beat Frequency button 5 options are displayed They are 80 150 Hz default 1 150 Hz 1 10 Hz Fixed and Variable The Fixed option allows you to select a fixed frequency from 1 200 Hz To change the Fixed frequency press the Fixed button then press the Back button press the Beat Fixed button button then use the up or down arrows to change the frequency Variable option allows you to select a Low Beat frequency from 1 199 Hz and a High Beat frequency from 2 200 Hz To make changes in the Variable frequency press the Variable button the Back button then Beat Low or High and select the frequency of your choice Beat Low describes the lowest frequency in the range of
42. uscle spasms and joint contractures These conditions may be associated with adhesive capsulitis bursitis with slight calcification myositis and soft tissue injuries The Vectra 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 e An area 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 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 in metabolic demand and tissue necrosis might result e Patients with an implanted neurostimulation device must not be treated with or be in close proximity to any shortwave diathermy microwave diathermy therapeutic ultrasound diathermy or laser diathermy anywhere on their body Energy from diathermy shortwave microwave ultrasound and laser can be transferred through the implanted neurostimulation system can cause tissue damage and can result in severe injury or death Injury damage or death can occur during diathermy therapy even if the implan
43. y button and it will change from channel 1 to channel 2 then set the intensity for channel two VECTRA USER MANUAL STIM AND COMBO 29 The last option is Both Channels which allows the intensity of both channels to be adjusted simultaneously Cycle Time parameter controls the on off cycle time of the current There are 7 available options Continuous default 10 50 5 5 10 10 10 20 4 12 and 10 30 Burst Frequency is the number of bursts per second bps and the available range is 1 bps to 200 bps Ramp controls the amount of time required to bring the stimulation up to the selected amplitude When you press the Ramp button it will toggle between 5 seconds 1 second 2 seconds default and 5 seconds Treatment Time is the time allotted for treatment To change the time parameter press the Time button then use the up or down arrows to change the time Constant Format Constant Current CC Default or Constant Voltage CV output is available on Premod VMS and Russian current only These waveforms are commonly used to elicit a muscle contraction and clinically one may wish for current output to be in either format High Volt and IFC are set on CV and Microcurrent on CC without the ability to change this setting For more detail please refer to page 18 30 VECTRA USER MANUAL STIM AND COMBO gu VM VMS Ch 1 VMS is a symmetrical biphasic square waveform with an inter phase interval a Set Intensity tha
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