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28

6.2.8.4. Adjusting the Orientation of the Pattern

Turn the smart wheel clockwise or counterclockwise to 

equivalently change the orientation of the pattern to suit the 

selected location.

By turning the manual control button the physician can e.g. 

produce a figure composed of several sectors to the retina.

6. Using Valon

Summary of Contents for Multispot Laser

Page 1: ...User s Manual Document No 3500151 N 08 2012...

Page 2: ...Use 18 6 1 1 Ensuring the Basic Safety 18 6 1 2 Turning the System on 19 6 1 3 Adjusting the Binocular Lenses 20 6 1 4 Selecting the Spot Size 20 6 2 Using the software 21 6 2 1 Graphical user interfa...

Page 3: ...ion of unauthorized use 41 8 6 Requirements for the treatment room 41 9 Maintenance 42 9 1 User Maintenance 42 9 2 Essential performance and maintenance 42 10 Errors 43 10 1 Confirmable Errors 43 10 2...

Page 4: ...plates and serial numbers 48 12 1 1 Valon 48 12 1 3 Eye safety filter 48 12 2 Warning symbol definitions 49 13 Disposal of Waste 52 14 Electromagnetic compatibility 53 User Manual Revision history 57...

Page 5: ...d size of the figure formed by the single spots the duration and intensity of the laser pulse the mutual distance of spots and the intensity of the aiming beam The program also produces a preview of t...

Page 6: ...easuring 5 Laser class treatment IV Pulse duration 10 650 ms 10 30 ms in pat tern mode Aiming laser 635 nm adjustable bright ness Laser class aiming 3R limited to class I Available Patterns Square Cir...

Page 7: ...ser coupled to a slitlamp delivery system in 1970 The three separate but interdependent variables available to the clinician are the beam size power and duration of the pulse Typically for diabetic re...

Page 8: ...alon is solely intended for treating the lesions mentioned above Complications reasonable foreseeable Properly conducted laser photocoagulation rarely causes serious complications The adverse effects...

Page 9: ...including sectors squares arcs and circles These modes of operation are a new approach to the treat ment of diabetic retinopathy retinal tears vascular occlu sions and other retinal pathologies The la...

Page 10: ...ct sunlight or subjected to other UV radiation for long periods of times System does not contain components that could be ser viced by the user In case the system needs service please contact the manu...

Page 11: ...e trolley The trolley is on wheels and is easily mov able The foot switch is connected to the laser console Functions and connections between different parts of the trolley are described in the follow...

Page 12: ...en resolution 1024 x 768 Operating system Windows XP embedded sp2 Software MultiSpot 1 05 1 06 d2x Driver versio 3 01 0 RBC9 driver for smart wheel Laser service software 3 06 Elo touch screen driver...

Page 13: ...ode press the Menu button 1 and choose the setting you want to change by the Select button 2 Use the arrow buttons 3 to adjust The side panel also contains the Power button 4 of the moni tor If the sc...

Page 14: ...Monitor connections The connections of the monitor are presented in image 1 1 Power cable 2 Monitor cable 3 USB cable for touch screen 5 System Description The connections the monitor viewed from bel...

Page 15: ...ved or there is any doubt about the function of the system The system terminates the drawing of the pattern instantly when the foot switch is released If the foot switch stays pressed after the patter...

Page 16: ...o various upper light source type slit lamps e g Haag Streit slit lamp models 900BM and 900BQ and CSO SL 990 5 4 1 Revolver The SLA also includes a focusing unit that enables the adjustment of the spo...

Page 17: ...during the treatment without having to use the touch screen The smart wheel is connected to the USB port of the com puter which is located under the screen 5 6 Laser Aperture Laser aperture is situate...

Page 18: ...lens 4 Red aiming beam path 635nm 5 Red aiming beam laser 635nm 6 Beam splitter 7 Coupling lens 8 Fiber connector 9 Fiber of delivery device 10 Output beam 532 nm 635 nm aiming beam 11 Green power la...

Page 19: ...al 1 Laser unit 7 Scanner No 2 2 Fiber 8 Focusing lens 3 Collimating lens 9 Slit lamp 4 Scanner No 1 10 Beam splitter 5 Slit lamp adapter 11 Slit lamp optics 6 Transferring lenses 12 Slit lamp mirror...

Page 20: ...r is located as shown in image below In Haag Streit BQ left and CSO 990 right the ring shaped filter is located between microscope and binocu lars 5 8 2 Eye safety goggles A pair of goggles OD 5 for 5...

Page 21: ...e 2 m No I O Slit lamp power cabel 2 m No AC Scanner cable 1 m No I O Smart wheel cable 1 7 m Yes DC Spot size recognizion cable 1 m Yes I O 5 System Description Warning Use only the cables that come...

Page 22: ...yewear OD 5 for 532nm is re quired 6 Using Valon Warning Never use Valon if there is any doubt about the pres ence of the eye safety filter Warning Dot not re move the eye safety filter under any cir...

Page 23: ...em on by turning the key switch clockwise The system starts automatically and the GUI of the prog ram appears on the touch screen 6 Using Valon Note If the screen is not active even though the system...

Page 24: ...ble spot size by rolling the revolver A larger spot size is chosen by turning the revolver clock wise 2 Available spot sizes are 50 m 100 m 200 m 300 m and 400 m 3 The resulting spot size is shown on...

Page 25: ...on the GUI of the program ap pears on the touch screen 2 The black bar 1 on the top part of the menu shows the current laser status Laser disabled The pilot laser and the treatment laser are both ina...

Page 26: ...and buttons to adjust suitable power for the aiming beam 4 Selected Pattern Select the shape of the figure at Selected Figure 4 by pressing the image of the desired 5 Interval The single spot mode all...

Page 27: ...ize 8 To change the spot size see section 6 1 4 9 Real Spot Size The size of the spot on the retina depends on the used contact lens When the lens is selected the real spot size on the retina is displ...

Page 28: ...ut disabling the laser by us ing the touch screen or the smart wheel see section 6 2 8 1 Laser status The top bar 1 shows the laser status Currently the status is Laser enabled If the the treatment is...

Page 29: ...the selected pattern or the spots of the selected pattern 4 Laser Counter The Laser Counter field 4 shows the number of the co agulated spots It can be reseted by pressing the Reset button 6 Using Val...

Page 30: ...e The program begins to coagulate the spots from the outer edge of the figure and continues to the center to ensure the safety of the treatment A warning sound is produced when the treatment laser is...

Page 31: ...iangle Circle Arc line Single spot 6 2 8 2 Changing the pattern size Tilt the smart wheel left or right to in crease or decrease the size of the pat tern 6 2 8 3 Using the micromanipulator The smart w...

Page 32: ...e smart wheel clockwise or counterclockwise to equivalently change the orientation of the pattern to suit the selected location By turning the manual control button the physician can e g produce a fig...

Page 33: ...the power press right button and to decrease the power press the left button When the power is changed with the smart wheel it is shown by the aiming beam for 1 s During this time the foot switch and...

Page 34: ...pot size as chosen from SLA without lens magnification and the percentage of all spots The average power and pulse duration for each spot size The total area on the retina calculated with the real spo...

Page 35: ...eated area Available lenses are presented below Spot size 200 m Spot size on the retina Magnification Volk Area Centralis 200 1 Goldmann Three Mirror 216 1 08 Volk Transequator 286 1 4 Rodenstock Panf...

Page 36: ...pulator and power adjustement features available on the smart wheel can be turned off by unmark ing the boxes in the upper section of the setup screen Select the language of the software by pressing t...

Page 37: ...33 6 2 12 Service The service window is meant only for trained service per sonnel and it is therefore protected with a password 6 Using Valon...

Page 38: ...off the software by selecting shut down from the menu and then by pressing ok 3 When Windows has shut down turn the key switch and remove the key 6 Using Valon Attention Make sure the key is not avail...

Page 39: ...tern size and orientation of the pattern optimal for the target tissue These settings can be changed both with the GUI by press ing the or by touching the pattern on the screen and with the smart whee...

Page 40: ...es 50 m 100 m and 200 m and 1 4 for spot sizes 300 m and 400 m 7 2 Sector On Sector mode the laser draws a triangular shaped figure which can be used as a sector of a circle by turning it The vertex p...

Page 41: ...1 4 for spot sizes 50 m 100 m and 200 m and 1 3 for spot sizes 300 m and 400 m 7 4 Arc The arc shaped pattern is resizable by quadrants The radius is resizable from 600 m to 1600 m Size can be adjust...

Page 42: ...on On single spot mode the system emits repeated laser puls es to the target tissue at a specified interval as long as the foot switch is pressed down If interval is set to 0 the laser emits only one...

Page 43: ...utton needs to be released Release the button bypulling and turning it clockwise according to the white ar rows 8 2 Double Control To increase treatment safety the laser emission is ensured with doubl...

Page 44: ...personnel in the treatment room 8 4 Caution for High Power The system enables treatment with a high laser power even up to 1500 mW Therefore it is essential to proceed carefully during treatment that...

Page 45: ...p ment may ignite some materials for example cotton wool when saturated with oxygen The solvents of adhesives and flammable solution used for cleaning and disinfectiong should be allowed to evaporate...

Page 46: ...screen of the monitor turn it off by pressing the power button and wipe the screen with a dry cloth Avoid liquids near the monitor Changing the Fuses The main fuses for Valon STA are placed next to th...

Page 47: ...a text box declaring the character of the error appears on the screen area that usually presents the pattern preview The message con tains instructions for solving the program and a Confirm button Wit...

Page 48: ...take a few minutes When the heatsink is cooled down the message disap pears 10 4 Warnings caused by the RTC4 card The RTC4 card that controls the scanners in the revolver may also produce error messa...

Page 49: ...een two spot size modes or one of the reed switches of the spot recognition is defected the system may not recognize any spots An error message appears on the screen If changing the spot size on the s...

Page 50: ...ng beam is not visible turn the aiming beam to maximum power Ensure the spot size is correctly selected Restart the system by shutting down the PC and starting it again Check the optical fiber is conn...

Page 51: ...distributor s service for help 11 6 Foot switch not active Set the system to Laser disabled mode and enable the laser again Check that the foot switch cable is connected to the laser console Restart...

Page 52: ...nd serial numbers 12 1 1 Valon 12 1 3 Eye safety filter 12 System Labeling Label showing the serial number is located behind the console The label showing the serial number of eye safety filter is pla...

Page 53: ...ys see also next page Eye safety filter declaration on the slit lamp Eye safety filter declaration the slit lamp other side Emergency stop button I O The switch symbols at the key switch ON OFF The ty...

Page 54: ...e defined in the array below The laser emission warning on the top bar of the GUI The laser aperture warning is placed at the laser output on the slit lamp mirror The laser radiation warning is placed...

Page 55: ...finitions The warning symbols of the system are defined in the array below Door interlock Foot switch Laser power Laser pulse duration Interval between pulses available only in single spot mode Aiming...

Page 56: ...rical components and therefore cannot be disposed as normal waste Different materials and components plastic metal electronics should be taken apart and recycled disposed in accordance with local regu...

Page 57: ...re suitable for use in all establishments other than domestic and may be used in domestic establishments and those directly connected to the public low voltage power supply network that supplies build...

Page 58: ...kV for power supply lines 1 kV for input output lines Mains power quality should be that of a typical commer cial or hospital environment Surge IEC 61000 4 5 1 kV line s to line s 2 kV line s to eart...

Page 59: ...n the compli ance level in each frequency range b Inter ference may occur in the vicinity of equip ment marked with the following Radiated RF IEC 61000 4 3 3 V m 80 Mhz to 2 5 Ghz NOTE 1 At 80 MHz and...

Page 60: ...Separation distance according to frequency of transmitter m 150 kHz to 80 MHz 80 MHz to 800 MHz 800 MHz to 2 5 GHz 0 01 0 12 0 12 0 23 0 1 0 37 0 37 0 74 1 1 17 1 17 2 33 10 3 69 3 69 7 36 100 11 7 1...

Page 61: ...9 Updated GUI Image on Page 20 Updated GUI Image on Page 22 Updated GUI Image on Page 23 Updated GUI Image on Page 25 Updated Page 26 Added Spots outline button Updated all software images on pages 33...

Page 62: ...include Valon TT CSO Version M 19 3 2012 Separate manual for Valon TT and Valon STA New feature Fixation light Update GUI images and text to reflect new features Version N 2 8 2012 Removed all referen...

Page 63: ...59...

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