Aroma Operation Manuals
Contents
1. O mesma DIODE LASER SYSTEM OPERATOR S MANUAL FDA Approval CHAPTER 1 Introduction Chapter Contents Section Title No Use ES P E E ET 1 1 NEETER 1 2 c RR 1 3 THO 25 4c r uuu l u 1 4 Abbreviations and Acronyms 1 5 1 1 Use of this Manual The AROMA Diode Laser System is designed to meet international safety and performance standards Personnel operating the system must have a thorough understanding of the proper operation of the AROMA diode laser This manual has been prepared to aid medical and technical personnel to understand and operate the system Do not operate the system before reading this manual and gaining a clear understanding of system operation If any part of this manual is not clear please contact your Aroma laser s representative for clarification Warning Use of controls or adjustments or performance of procedures other than those specified herein may put the operator and or the patient at risk Therefore before attempting to use or operate the system personnel operating the AROMA system should read this manual and become thoroughly familiar with all its safety requirements and operating procedures The information provided in this manual is not intended to replace the professional training on the clinical use of the system Please contact your AROMA laser s representativ2. 5 minutes This feature is included to prevent undesired condensation of water drops on the tip To reactivate the tissue cooling system the handOpiece trigger must be activated In addition to the integrated contact cooling the Aroma handOpiece is equipped with an adapter that is designed to connect a big capacity of chiller Cryo 5 to further enhance the cooling capabilities 2 6 5 Hand piece Design Several aspects of the hand piece design contribute to the safety of the Aroma system Since the laser beam 15 generated in the hand piece itself and not in the console as in conventional lasers there is no need for an articulated arm or other beam delivery system with inherent beam quality and alignment concerns Instead Aroma hand piece has a one piece light mixer that combines the emission from thousands of emitters to produce a uniform square beam Since laser emission 15 confined to the hand piece there 15 no hazardous optical radiation in the console or the umbilical cable The sapphire tip is placed against the patient s skin during the system use reducing stray light while increasing the therapeutic effect CHAPTER 3 Installation Chapter Contents Section Title Page ner 5 ene were s 3 1 J iii n tl ul uu REE ere ee ICI 3 2 L LU u 3 3 on piece srn A 3 4 Remote Interlock COnneetionm LLULLU Fir uta sapasazssqaykasakanqas 3 5 Filling the Coolant BOSCEVO
3. International Electro technical Commission J Joule s J em2 Joule s per square centimeter Kg Kilogram s LCD Liquid crystal display LED Light emitting diode M Meter s Mm Millimeter s Msec Millisecond Nm Nanometers OD Optical density Rep Rate Repetition rate FHR fast hair removal HR hair removal SR skin rejuvenation V Volt s VAC Volt s AC W Watt s CHAPTER 2 Safety Chapter Contents Section Title No lili Til IO MES 2 1 oy NI ASCE croanccevszcesswnseesensaniawesnenprsvenerstaatesanincaeaiones 2 2 Ji Teamen Koon u sss 2 3 General Precautions and Cautions u 2 4 Warnings Related to Laser Emission 2 5 B UH NL a F u u oe 2 6 2 1 Introduction This chapter describes general safety issues regarding the use of the Aroma Diode Laser System with special emphasis on optical and electrical safety Warning Hazardous voltages are energized when the emergency stop button is engaged Note Federal USA and EU law restricts this device to sale by or on the order of a physician or any practitioner licensed by the law of the state in which he or she practices or intends to use or order the use of the device The Aroma is a diode laser system operating at a wavelength of 810 nm The system has been specially designed to minimize accidental exposure to hazardous radiation With proper operation and maintenance trai
4. circuitry takes place after the system is turned on The test circuits continuously monitor system operation during treatment 2 2 2 Laser Safety 1 Closed light guide geometry 15 used to transmit light to the treatment site Light 1s emitted only through the front plane of the light guide Di The system incorporates a safety remote interlock connector for connecting an external interlock on the entrance door to the treatment room The external remote interlock 15 serially connected with the footswitch therefore when installed disables the system and prevents operation when the entrance door 15 opened 3 An emergency shutoff knob expedites shutdown when necessary When pressed it immediately shuts down system operation 4 A password on the service screen prevents unauthorized changes to the system s basic operating parameters 5 Laser emission from the laser hand pieces 1s enabled only if both the footswitch and the hand piece trigger are pressed at the same time The trigger reduces the risk of unintentional laser emission 6 Water 15 circulated through the hand piece as soon as the system 15 turned on in order to cool the laser source 7 The flow and temperature of the water are monitored In order to eliminate the risk of hand piece overheating Laser beam emission is not permitted if the water flow stops or if the water temperature is equal to or higher than 40 C 104F 8 The system 1s equipped with a pneumatic fo
5. which 15 invisible to the human eye and can cause third degree burns 2 5 2 Direct and Reflected Eye Exposure Hazards It is essential that all people present in the treatment room during the treatment patient and medical personnel protect their eyes by wearing recommended protective eyewear It is good practice to instruct the patient to close their eyes during treatment even when wearing protective eye glasses If the patient cannot wear the protective eyewear fit the patient with opaque eye protection that completely blocks light from the eyes If the treatment area 15 very close to the eyes e g eyelids protect the eyes with corneal shields Warning Diode laser radiation can cause serious eye damage or blindness For maximum safety the patient must wear metal eye goggles for all facial treatments 2 5 3 Safety Eyewear Diode laser radiation 1s hazardous to the human eye All personnel must use safety eyewear and must ascertain that the eyewear provides adequate protection OD gt 5 at 810nm radiation Safety glasses and opaque eye protectors are supplied with the system and more can be ordered from your Aroma laser representative 2 5 4 Explosion and Fire Hazards The absorption of optical energy raises the temperature of the absorbing material Take precautions to reduce the risk of igniting combustible materials in and around the treatment area The system is not suitable for use in the presence of flammable mixtures
6. with air or oxygen Do not operate in the presence of volatile solvents such as alcohol gasoline or other Solvents Do not use any flammable substances such as alcohol or acetone in the preparation of the skin for treatment If necessary use soap and water to clean before treatment If alcohol 15 used to clean and disinfect any part of the Aroma system allow it to dry thoroughly before operating the system Flammable materials must be kept at a safe distance from the system 2 5 5 High Voltage Hazards The system utilizes 110 230 VAC To avoid personnel injury do not operate the system before ensuring that the exterior panels are properly closed Do not attempt to remove or disassemble the exterior panels The Aroma system produces very high voltages In various components Some components may retain a charge after the power supply has been turned off so no part of the exterior housing should be removed except by authorized personnel Whenever system maintenance is performed never leave the Aroma laser system turned on open or unattended 2 5 6 Grounding the System The system is grounded through the grounding conductor in the power cord and internal grounding pin 2 6 System Safety Features The Aroma laser system is equipped with a number of safety features All treatment room personnel should be familiar with the location and operation of these safety features 2 6 1 Emergency Shut Off Knob This red knob is used
7. ILE u u w 3 6 MED y a G 3 7 3 1 Introduction The Aroma Diode Laser System 15 designed for installation in an office or a clinic and requires minimal site preparation When the Aroma system 15 purchased complete on site installation including initial system testing and calibration 1s included System transportation and installation is carried out by authorized technical personnel who will do the following Unpack the system and position it in its pre selected location Verify the integrity of the system and its components Connect system components hand pieces footswitch interlock connector Plug the system into a designated electrical outlet Fill the cooling system reservoir with de ionized water Test the system for proper calibration and functional operation of all components and software Coordinate the performance of an on site safety inspection if required Note Any damage to the packaging or to the system found prior to opening the package should be reported to your Aroma laser representative and to the insurance carrier 3 2 Equipment List The Aroma diode laser platform includes the following Aroma diode laser laser system console Hand piece Set of keys Remote interlock connector Laser protective glasses Opaque eye protectors Operator s manual Laser radiation danger sign Hand piece line hanger 3 3 Facility Requirements Befor
8. ainst accidental exposure to these pulses either directly from the hand piece or indirectly from a reflecting surface To protect against eye damage and discomfort make sure that everyone present in the room is wearing recommended protective eyewear Never look directly at the pulse coming from the hand piece even when wearing appropriate protective eyewear Never point the hand piece so that it discharges into free space Make sure that the hand piece is pointed at the treatment site during actual treatment CHAPTER 5 System Description Chapter Contents Section Title Page nee ae eee ann Seen een ee 5 1 General System Description 224 425 5 2 JODA OUO 5 3 eer er 5 4 E EE uuu 5 5 T cr T eee 5 6 5 1 Introduction This chapter provides a detailed description of the Aroma Diode Laser System The description covers the system s main components controls and functional sub systems and system amp hand piece specifications 5 2 General System Description 5 2 1 Diode Laser Hand piece Caution The hand piece contains delicate optical components which may suffer severe damage if dropped Except during treatment the hand piece should be kept in its cradle at all times The diode laser hand piece is shown in Figure as below It incorporates the laser diode array with the light guide the protective sapp
9. anel and two pins secure the hand piece connector For insertion and removal of the connector the both left and right buttons must be pressed at the same time to release connection port lt Hand piece connector socket gt lt Inside of Hand piece gt 3 5 Remote Interlock Connection The Aroma system is equipped with a remote interlock connector to provide maximum safety The connector 15 situated on the service panel An external switch should be connected to this connector to create a remote interlock system This switch should be mounted on the entrance door so that if the door opens the switch contacts also open and disable system operation To connect the remote interlock 1 Turn the system off 2 Remove the connector from the port on the system rear panel 3 Open the connector cover 4 Solder the two wires from the door switch to pins 1 amp 2 short circuited on delivery with a white wire 5 Close the connector cover 6 Reconnect to the port on the service panel 7 Turn the system on 3 6 Filling the Coolant Reservoir The cooling system s reservoir must be filled with de ionized water It is imperative that the level of the water in the reservoir be checked every three months and de ionized water added if necessary gt 4 Air Diffusion Nipple Water Container Cap Pai foe site e d Back panel for Water exchange Water Infusion Nipple Wate
10. detail the operating instructions for the Aroma Diode Laser System Caution This system may only be operated by a licensed practitioner according to the local laws in every country A laser radiation danger sign supplied with this system should be placed at the entrance to the treatment room whenever the system 15 In use Improper use or adjustment of this system may invalidate the Aroma laser system s service warranty agreement Please contact your authorized distributor before attempting to use the system In any manner other than those specified in this manual 4 2 Error Detection This system is equipped with self testing software that continuously monitors system operation by means of watchdog software amp circuitry and by interrupts The software continuously checks the hardware for any error condition The LCD displays an error message and disables further operation The audible indicator sounds an alarm signal which is longer than the normal light or laser emission signals In such a case you should shut the system down and restart it If the problem still persists refer to Troubleshooting in Service Manual for further instructions 1 Wrong hand piece Connection Above Error message is shown when the hand piece is not connected in right way Once hand piece 15 reconnected again in right way it will disappear automatically 2 Interlock Error When remote interlock is not connected with console this message i
11. e for current information on available training For clinical information refer to the Clinical Guide in this manual which includes set up guidelines for each application This manual should always accompany the system and all operating personnel must know its location 1 2 Physician Responsibility Federal USA EU law restricts the use of this device for sale by or on the order of a physician The properly licensed practitioner will be responsible for the use and operation of the device and for all operator qualifications The physician is responsible for contacting his or her local licensing agencies to determine any credential required by law for clinical use and the operation of the device 1 3 Maintenance The Aroma system 15 a precision technical medical device that requires periodic routine maintenance service which must be performed by authorized technical personnel Failure to obtain service voids all warranties expressed and implied Please contact your local representative for details 1 4 Modification of the System Unauthorized modification of the hardware software or specifications of the Aroma system voids all warranties expressed and implied Manufacturer takes no responsibility for the use or operation of such a modified device 1 5 Abbreviations and Acronyms C Degree s Centigrade Celsius A Ampere s AC Alternating current CFR Code of Federal Regulations cm Centimeter s CW Continuous wave Hz Hertz IEC
12. e unpacking the system ensure that the site meets the requirements described in the following sections 3 3 1 Space and Positioning Space should be allocated with adequate ventilation and free airflow The working area for the system should be prepared according to the system dimensions presented in Figure 35 em 14 W x 40 CM 16L 3 1 In order to guarantee proper ventilation always keep the sides of the system at least 20 0 5m from the wall or from other obstructions to air flow After positioning the system lock the breaks on the front wheels by pressing the pedals on top of each wheel 3 3 2 Electrical Requirements The system 15 factory pre wired for the local line voltage as ordered by the customer Accordingly the system will require a separate line supply of 120 VAC 10 20A 50 60 Hz single phase Or 230 VAC 10 10A 50 60 Hz single phase Input power lines should be free of transients voltage and current spikes sags and surges Consequently the system power line should not be shared with other heavy variable loads such as elevators air conditioning systems large motors etc The system 15 grounded through the grounding conductor in the power cable that 1s plugged into the wall power outlet Good grounding is essential for safe operation Caution Verify that the Aroma system 15 wired for the appropriate line voltage of your country 120 or 230V AC The system should be connected to a separate power line
13. for emergency shutdown When pressed it immediately shuts off power to the entire system To release the emergency shut off knob turn it clockwise Otherwise the system will remain off Caution Use the emergency shut off knob only in the event of an emergency 2 6 2 Remote Interlock Connector The system incorporates a safety remote interlock connector that should be connected to an external micro switch on the entrance door to the treatment room The external remote interlock 1s serially connected with the footswitch therefore when installed it disables the system and prevents operation when the entrance door is opened 2 6 3 Double Tiered Security for Laser Emission Laser beam emission is enabled only when the operator presses hand piece trigger therefore accidental lasing may only occur due to double error condition minimum risk 2 6 4 Tissue Cooling System The hand piece tip 1s cooled by a thermoelectric cooling method to reduce patient discomfort during treatment and to reduce post procedure side effects such as local skin redness and swelling The tissue is cooled through a metallic ring and a cold sapphire window The tip s temperature is reduced to 2 5 C in average 3 C during system operation A cooling sensor and monitors keep the temperature at this level to prevent over cooling of the treated area The tissue cooling system 15 designed to cease operation In case of a pause In operation lasting for more than
14. g to operate the Aroma system Any hand piece s light guide must be kept clean at all times Remember to clean the cooling gel from the light guides after each patient The system weighs approximately 50 kg and may cause injury if proper care is not used when moving it The system 1s well balanced and 15 designed to be moved but should always be moved carefully and slowly Never pull the system by the hand piece 2 4 2 Cautions Only authorized personnel may service the Aroma laser system This includes making internal adjustments to the power supply cooling system optics hand pieces etc Verify that the Aroma 15 wired for the appropriate electrical voltage of your country 110 VAC or 230 VAC Maintenance performed by the operator must only take place when the system 1s shut down and disconnected from the electrical power source Performing maintenance procedures with the system powered up can be hazardous to the operator and or destructive to the system Always turn off the system when it is not in use Never leave the system in Ready mode unattended Never allow untrained personnel to operate the system Never press the footswitch amp hand piece trigger unless the hand piece is safely oriented at a specific and intended target Never leave the system turned on open or unattended during system maintenance 2 5 Warnings Related to Laser Emission 2 5 1 Burn Hazards The Aroma radiation has the wavelength of 810 nm
15. hire window the cold plate the hand piece trigger housed in the handle Sapphire cooling and integrated Large spot 5 2 2 Hard Ware System Components PE Seon Emergency Shot off Operation Alarm signal Liaht Hand piece 5 2 LED Screen Controls HAIR REMOVAL FAST HAIR REMOVAL Aroma has adopted LED touch panel as an operating controls and are composed of by above buttons 1 Program 1 Fast Hair Removal In this stage the energy goes up to 110J cm2 with up to 10 7 2 Program 2 Hair Removal In this stage the energy goes up to 110J cm2 with up to 3 Hz Herz are automatically set in accordance with energy 3 Program 3 Skin Rejuvenation In this stage the energy goes up to 110J cm2 with up to 10 7 4 It shows Energy level and adjustable up to 110 J Cm2 5 Frequency can be adjustable up to 10Hz 6 Stan By and Ready button By activating of READY button laser can be emitted by pulling trigger 7 Save this function makes for user to save the previous data which set by user Total 5 data can be memorized 8 Snow Signal in blue means Cooling System is in activation where as snow signal in brown means Cooling System is not working since it 15 already enough to be cold to operate 9 Pulse Counter Upper line of number shows the total number of shots after turning on the machine But the bottom line of number shows the total accumulated
16. ination for efficient skin reyuvenation SR Mode gives an instant firming up and tightening in treated area and can last longer as it treated again and again 5 4 2 User Selectable Operating Parameters The user may control system operation by setting values for the following parameters 1 Application Mode 2 Fluence 3 Repetition Rate 5 4 3 Save and Call Option To facilitate setting the operating parameters the Aroma system allows the user to save and call 5 different parameters Upon turn on the system loads the default last saved set of parameters Caution Saving the settings overwrites the current defaults or last saved parameters 5 4 4 Pause in Operation As a standard safety measure whenever laser emission is not immediately required the system should be set to Standby mode If the operator leaves the room the system should be turned off Note To stop laser emission release the hand piece trigger 5 5 System Specifications Laser Type CW GaAlAs diode laser array with convergence lens Wavelength 810nm Energy up to 110 J cm Application Modes FHR mode single pulse type HR mode 6 pulse types SR mode single pulse type Pulse Repetition Rate FHR mode 10 Hz HR mode 1 3 Hz SR mode 10 Hz Pulse Width 3 3ms 450ms Spot Size 14mm x 10mm Cooling Semiconductor 2 5 C 3 C in average Dimension 350mm x 400mm x 1 100mm Weight 60Kg 5 6 Clinical Data Before 1 Month Afte
17. ned and qualified medical practitioners can use the system safely The supervising physician and all other personnel operating or maintaining the Aroma system must be familiar with the safety information provided in this chapter The primary consideration should be for the safety of the patient the physician and other personnel Patient safety 15 mainly assured with a well trained staff and a well laid out treatment room Patient education 15 also important including information about the nature of the treatment 2 2 System Safety Measures The Aroma system was designed to maximize safety for both patient and personnel The following are some of the Aroma s preventive safety measures 2 2 1 Electrical Safety 1 A semi automatic circuit breaker located on the service panel protects the system by tripping when power overload occurs To resume normal operation lift the circuit breaker handle and restart the system 2 Software protection Including The software checks all safety related hardware after the system 15 switched on Emission timing is regulated by interrupts every msec A watchdog cycle continuously monitors operation of the system during treatment If an error occurs the system displays a warning message to the operator and disables further operation 3 A self test of the attached hand piece is performed when the system is turned on The test includes hand piece identification 4 A self test of the electrical
18. of shot number so far 10 Calling function makes user to recollect memorized data Total 5 data can be recollected 5 4 Application Modes The Aroma Diode Laser system emits a train of optical pulses as long as the hand piece trigger are activated The train frequency 15 the selected repetition rate Rep Rate The pulse fluence can be set by the operator for different tissue effects The system s application modes FHR HR and SR automatically selects the appropriate pulse duration for the selected fluence The user may select the pulse repetition rate within the limitations that are dictated by the software 5 4 1 Mode Description The Aroma Diode Laser System has three operating modes FHR HR and SR 1 The FHR Mode provides the ideal combination for efficient hair removal The FHR mode uses the optimal hair removal wavelength of 810nm diode for deep penetration into the dermis where the hair follicle is located The FHR mode has consistent high average power capabilities to enable the10 pulse per second repetition rate for hair removal in motion This mode enables a low fluence in motion approach for virtually painless hair removal 2 HR Mode Hair Removal The Aroma Diode Laser also includes the traditional higher fluence HR Hair Removal mode Aroma can be used safely on all skin types including tanned skin and has been shown to provide long term hair reduction 3 SR Mode Skin Rejuvenation provides the comb
19. otswitch for ease of use It is pneumatic to eliminate the possibility of any short circuiting in the footswitch s wiring and to increase its durability to fluids Warning Any laser emitting device can cause injury if used improperly High voltages are present inside the Aroma system Personnel who work with lasers must always be aware of the possible dangers and must take the proper safeguards as described in this manual 2 3 The Treatment Room The treatment room must be clearly labeled with signs indicating that high intensity laser energy is In use The treatment room sign that 1s supplied with the Aroma Diode laser system 1s shown in Figure as below The treatment room should not include any light reflecting objects such as a mirror Access to the Aroma treatment room should be allowed only to personnel essential to the procedure and who are well trained in the required safety procedures Assure that all of the treatment room personnel are familiar with the Aroma laser system controls and know how to shut down the system instantly INVISIBLE LASER RADIATION AVOID EYE OR SKIN EXPOSURE TO DIRECT OR SCATTERED RADIATION LASER PROTECTIVE EYEWEAR REQUIRED CLASS IV LASER PRODUCT 2 4 General Precautions and Cautions The following precautions cautions and warnings must be observed for the safe use of the Aroma Diode Laser system 2 4 1 Precautions Physicians and clinicians should read this manual thoroughly before attemptin
20. r 1 Tx Before Before D N ied N gt 3 wks After 4 Tx Mar 3r3 2007 o O N me m N v 0 3 wks After 4 Tx gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt EN DS gt gt No part of this manual may be reproduced or copied in any form by any means graphic electronic or mechanical including photocopying typing or information retrieval systems without written permission of Infini Esthemed System specifications and the information contained in this document are subject to change without notice
21. r Exchange Back panel Screw Air Diffusion Nipple s Recommended level of water 80 Level of Water Container Water Pressure Check Sensor See Through Look for water level check 1 Open metallic back panel with hand 2 Insert a hose into the Air diffusion Nipple for air to come out from the water container 3 Check the level of water in water container 4 Connect a hose into water infusion nipple to pore of water 5 Infuse distilled water or de ionized water to the extent of 80 of container 6 Eliminate a hose which inserted into Air Diffusion Nipple 7 Close metallic panel in back side of console 8 This changing de ionized water is recommended to do in every 12 months 3 7 Moving the System To move the system within the clinic do the following 1 Seat the hand piece in its holder 2 Disconnect the power cable 3 Release the wheel breaks 4 Slowly push or pull the system using the handle Caution Never use the hand piece or umbilical cable to move the system If the system is to be moved to another facility consult your Aroma Laser service representative CHAPTER 4 Operating Instructions Chapter Contents Section Title Page Dun uuu uu u ux uuu 4 1 E E 4 2 Preparing the System for Operation 4 3 po atina TRE Dyis oli usni 4 4 4 1 Introduction This chapter describes in
22. s shown 3 Cooling system error caused by low water flow or air in hand piece When water flow is not normal for cooling system this message is automatically shown on LED screen Once the water flow and water pressure is return to normal condition it will be disappeared 4 3 Preparing the System for Operation 1 Plug the system into the mains power outlet 2 Insert the key into the key switch 3 Connect the remote interlock to the treatment room s entrance door if required 4 The patient and all personnel in the room should wear safety eyewear specific to the hand piece in use 5 Lift up the circuit breaker to the upper position 4 4 Operating the System To operate the system 1 Turn on the system refer to below figure DIODE LASER SYSTEM 2 Loading screen shows up automatically as above figure 3 Set the operating parameters refer to below figure DIODE LASER SYSTEM CoD LProgram2 Program HAIR REMOVAL SKIN REJUVENATION A ROM A FAST HAIR REMOVAL 20 k J cm2 10 CALL1 Hz 4 lt gt 3 1 Select mode among Fast Hair Removal Hair Removal Skin Rejuvenation 3 2 Adjust Jouls and Herz 4 Press STBY button on LCD screen to reach a Ready position 5 Activate the hand piece trigger to initiate laser emission Hand Piece Trigger Warning The Aroma diode laser system emits intense laser pulses through hand piece Make sure that all personnel are protected ag
23. with separate circuit breakers Infini Esthemed cannot guarantee adequate performance unless the system is connected to a dedicated circuit 3 3 3 Environmental Requirements Air Quality The system should operate in a non corrosive atmosphere Corrosive materials such as acids can damage electrical wiring electronic components and the surfaces of optical components Air borne dust particles should be kept to a minimum Dust particles absorb light and heat up Hot particles located on the optical lenses can damage them Metallic dust is destructive to electrical equipment Water Quality The system should be operated using de ionized water only Regular tap water contains sediments that may damage the cooling system Temperature To ensure that the system performs optimally maintain the following temperature and relative humidity levels Operating Temperatures 10C 25C 50F 77F Storage Temperatures 10C 55C 50F 131F Operating Relative Humidity up to 80 Storage Relative Humidity up to 90 Note When the system is used intensively it emits heat Therefore it 15 recommended to install air conditioning In the room in which the system will be used 3 4 Hand piece Connection The hand piece connector 1s equipped with a protective short circuiting plug that should always be in place It 1s designed to enable easy replacement of the hand piece when required The hand piece connection port 15 located in the system s back p
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