Fundus Camera - augenarztbedarf.de & ophthalworld.de
Contents
1. Turn control clockwise Replace lamp acc to chapter Replacing lamps Halogen lamp defective Fuse of halogen lamp control circuit Replace fuse F4 on flash unit blown Brightness of halogen lamp Connector of instrument base not Establish connection cannot be adjusted connected to flash unit No continuous adjustment Lamp control circuit defective Call service technician possible over setting range of brightness control No response when releasing Connector of instrument base not Establish connection photographs on instrument base connected to flash unit joystick No release of photographs error Camera or BAS not properly connected message appears Check and make connections Care and maintenance 43 Troubleshooting table for FF 450 and BL 450 Trouble Possible cause Remedy No flashes when releasing No electric connections between fundus Connect flash cable to flash unit photographs camera and flash unit EM ee Flashbulb defective Have it replaced by se service technician Fixation light does not tight Bulb of fixation light defective innen Replace fuse F5 on flash unit Connector of head rest cable not connected to flash unit Establish connection ee Supplementary lamp does not Connecting cable not connected to flash Establish conne2. 4 ee ee front lens patient s eye 42 mm operator patient s eye 470 mm Compensation of ametropia 30 D continuous Flash rate x per second 7 i ee a Filters red free and filter for fluorescein angiography ICG filter only with FF 450 IR 26 mm diameter vertically limited to 24 mm Image size on 35 mm film Swivel range 45 horizontally 15 10 vertically by hand wheel Instrument table motorised asymmetrical design suitable for wheelchair patients 2 5 min short term operation Ambient conditions Permissible ambient temperature 10 35 C 50 95 F Permissible humidity Q 80 no condensation EEEIEE E EEEN A EEEE nennen nenn m nn Electric system Compliance with standards DIN EN 60601 1 IEC 601 1 Line voltage IT 350 115 V 60 Hz 4 8 A 230 V 50 Hz 2 4 A BL 450 100 1 10 120 125 220 230 240 V Line frequency 150 60 Hz Performance 600 VA Fuses according to page 41 Earthing conductor instrument to be connected onlyto sockets with perfect earthing conductor Dimensions u FF 450 Fundus Camera 430x310x800 mms E BL 450 Flash Unit 480x190x470 mm3 O IT 350 Instrument Table 880x650xmax 1030 mm3 Control console 150x150x30 mm Ti Table 3 Specifications 45 46 Conformity with EC Rules The FF 450 FF 450 IR Fundus Camera com
3. The instrument is factory set to the standard mains voltage of the user s country OntheBL450 flash unit you can read the setting in the window below the power connector on the rear panel Make sure this value corresponds with the local line voltage If not have the instrument set to the available line voltage by service staff In tis case the fuses must also be changed gt Chapter Care and maintenance Replacing fuses 1 Je Nur for 11350 For IT350 EEA F3 Fe FS lt 127V 11 64 T 4A T 404 gt 220V T0 8A TO SAT 5A OOO F1 F2 lt 127V T 12A H gt 220V T 6A H ZEN 1 Display window indicating the set line voltage Fig 26 Location of line voltage display window Caution The user is responsible for maintaining the above mentioned require ments for operation Operation General notes on handling After you have installed and used the fundus camera and its accessories you should if possible maintain a regular procedure including the following operations Preparing the eyepiece e fyou are emmetropic pull out the eyecup of the super high eyepoint eyepiece If you wear glasses push it in e Set the diopter setting ring of the eyepiece to 0 D e To compensate for your ametropia up to 4 D turn the diopter setting ring accordingly By looking through the eyepiece and turning the setting ring until the double cross hair is sharply defined Preparing the BL 450 Flash Unit e Operate power swit
4. ae 42 Notes on safety Warning Risk of injuries Strictly observe warning labels Q Do not look into the light source for instance into the objective O When replacing the halogen lamp ensure the power cable is discon nected Only replace halogen lamps only with original types with holder Lamps are to be replaced by trained staff only Q The flashbulb may only be replaced by service staff Instrument safety a Proper operation of the instrument is imperative for its safe function Therefore read this manual thoroughly before using the instrument If you need supplementary information please contact our service or authorised agents O Make sure the set operating voltage corresponds with local mains Q Do not cover ventilation slots O Never leave the instrument switched on and unattended DO Disconnect the power cord by grasping its plug Never pull at the cord OD Operate the power switch to turn off the instrument Q Make sure the instrument is turned off when it is not in use DO The power cord must be connected to a socket with an earthing contact Avoid the use of an extension cable Do not interrupt the earthing contact either inside or outside the instrument as this may endanger operator patient and instrument If the protection is reduced or any cables are damaged discontinue using the instrument Take care that it cannot be used by others and contact service department O The instrument may only be opened by
5. 2 Knurled screw SSB 3 Electric connector 4 Holder 5 Knurled screw 6 Head rest Fig 15 Mounting the fixation light SEHEN Installation Making electric connections The power switch of the flash unit serves as main switch of the instru ment system All subassemblies of the fundus camera are powered through the flash unit Caution Before making the electric connections between flash unit fundus cam era and control console make sure to disconnect the power cord ofthe flash unit from mains e On patient side lay the cables of fundus camera flash cable control cable as well as those of instrument base halogen lamp supply and head rest fixation light between the guide rods of the head rest For the cable of the control console select the shortest possible way to the flash unit depending on which side of fundus camera it is set up e Connect the cables to the corresponding connectors to establish the connections between instrument and flash unit The connectors on the flash unit are labelled accordingly Fig 16 mp Note Each connector is different to avoid wrong connections Make the following connections to the BL 450 Fig 16 Cable of fixation light Cable of instrument base Cable of control console FF 450 control cable FF 450 flash cable Sonu kb a mp Note Make sure the safety clip is closed properly For power supply of the instrument table a special power cable must be conn
6. Fig 3 Controls of fundus camera Instrument description In the view from the left Fig 3 the following controls of the FF 450 are illustrated 1 2 3 6 8 9 Forehead rest strap Chin rest vertically adjustable for reliable fixation of the patient s head Internal focusing control Filter wheel with three positions C for colour photographs RF for red free photographs A for fluorescein and ICG angiograms ICG only with FF 450 IR Clamp screw for swivelling the fundus camera about its vertical axis Knurled sleeve for vertical adjustment of chin rest Cover of lamp unit Field angle selector with three settings 50 30 and 20 corre sponding to viewing magnifications of 11x 19x and 29x Cover for camera port 2 10 Lock screw to clamp 35 mm camera to the dovetail mount of the fundus camera 11 Cover for astigmatism compensator mount 12 Cover for internal fixation device mount 10 instrument description IT 350 Instrument Table The IT 350 is a motorised instrument table specially designed for oph thalmic instruments An electric motor drive allows optimum adjustment to the height neces sary for patient comfort Fig 4 IT 350 Instrument Table Fig 4 illustrates the following main components of the IT 350 1 2 3 wi Tabletop supporting instrument base and control console Rocker switch for vertical adjustment of table Lifting column containing el
7. a ee a G 24 e 1 Fig 22 Internal fixation device Fig 23 Astigmatism compensator Options Internal fixation device The internal fixation device is arranged in the plane of the first inter mediate image of the retina This plane lies immediately behind the ophthalmoscopy lens The manipulator allows free movement of the fixation mark in this plane By moving the mark axially along the optical axis an ametropia of 10 D of the patient can be compensated Every point of the field of view is accessible by moving the control handle e To mount the internal fixation device remove cover plate 12 Fig 3 from the fundus camera by loosening the two fastening screws Replace it with the plate containing the fixation device Astigmatism compensator The astigmatism compensator provides continuous compensation of a patient s astigmatism This applicable particularly to astigmatism of oblique bundles when examining peripheral fundus areas The compen sating range is from O D cyl to about 20 D cyl at optional angle e To mount the astigmatism compensator remove cover plate 8 Fig 3 after loosening the two fastening screws e Put the astigmatism compensator into the opening and screw it down e Use detent lever 1 Fig 23 to swing the astigmatism compensating optics into the optical path By pushing the lever in and swing it upward until it clicks in e Swivel adjusting screw 3 to set the axis of astig
8. other fuses are multifuses mounted to printed circuit boards and thus not replaceable by the user Table 1 User replaceable fuses of BL 450 Flash Unit and IT 350 Instrument Table F1 and F2 are thermal circuit breakers that need not be replaced 41 Fig 32 Fuses on lifting column of IT 350 ees Nur f r 11350 For 1350 Be F3 i F5 lt 127V T1 6A T4A TA10A 220V T 0 8A T OSAT 5A OOO F4 5 F2 lt 127V T 12A H gt 220V T GAH Fig 33 Fuses on BL 450 ETON TEE 42 Care and maintenance Troubleshooting table for FF 450 and BL 450 Trouble Possible cause Remedy Press power key LED must be on No electrical function power Power key set to OFF indicator LED of key does not power cord not connected _ Hi ht a a I en Teun Naht Local mains voltage is different from factory set operating voltage Connect control cable of fundus camera with flash unit No response of fundus camera No electric connection between fundus power indicator LED does not camera and flash unit light Fuse F3 on flash unit blown Fuse F1 or F2 on instrument table blown Push in key of F1 or F2 again Halogen lamp and flashbulb not Connector disconnected working All functions OK except for Lamp voltage control set to Min halogen lamp Replace fuse F3 on flash unit Connect control cable of fundus camera with flash unit
9. service staff employed with or authorised by Zeiss Exception Replacement of halogen lamp Q Clean optical components only externally following the instructions given in this manual A Notes on safety Notes on installation and usage Q Do not use the instrument in hazardous environments Do not oper ate it in the presence of flammable anaesthetics and volatile solvents such as alcohol benzine or similar agents Q Do not set up the instrument in humid rooms Avoid dripping or splashing water near the instrument G Only use accessories described in this manual If you intend to use other accessories consult Zeiss service or sales department prior to use Caution This instrument is a high quality technical product To ensure perfect and reliable operation have it checked at least every 12 months by authorised service technicians intended use The FF 450 Fundus Camera is a monocular retina camera designed for routine use It is suitable for clinical diagnosis The fundus camera also provides documentation of findings by using the appropriate options photographic equipment electronic image sensors with digital basic Station O The instrument may not be modified and repaired except by Zeiss service staff or other authorised persons The user is responsible for any consequences resulting from using the instrument for applications other than those described in this manual Q Read and observe the highlighted
10. FF 450 FF 450 IR Fundus Camera User s Manual Contents Page Notes On safety ccc var 3 labellngs an rete eeees eee ae E E NA 3 instrumentsafety san en 3 Notes on installation and usage nnerenennenn nenne 4 Intended se nase 4 Instrument description 0 0c cece nenn nn nn nenn 5 Construction of basic Unit us anal 5 Controls of fundus camera a 6 IT 350 Instrument ablesen 10 Notes on the use of the IT 350 sussssunuannansressse 11 Standard photographic equipment 0eeeeeees 11 BEASO Flash Unit sa ss ee 12 Control Console ans 13 Display URII iss tel esneene seas 14 Key GrOUPS sg 14 Installation u nieren akuin tiie eseuweeees 16 Removing transport lOCkS ma nn a vas 16 Setting up the fundus camera s a snesssesenuensnsnsar 17 Mounting the fixation light a na 18 Making electric connections 1 cece eee ence eee eeeeenee 19 Mounting the 35 mm Camera cceneeeeneeneeeeeness 21 OPUONS 5620 2 eier 22 Photographic equipment for top camera port ee000 22 Mounting the 35 mm camera to Port 2 seeeeeee 22 FF 450 video adapter nn nn 23 Mounting a video camera to Port 2 znnneenennenn nn 23 Internal fixation device ass aa 24 Astigmatism compensator ae 24 Demonstration eye with holder asasassensesrsnssene 25 1 75x converter ERS ern 25 Supplementaly lamp uva rent 25 2 Contents Page Operation va na 26 Checking the voltage setting un 26 General notes on handling sssces
11. ORT 2 top por a 1a tan he a a a J Set fil d By selecting the recording medium film speed is preset to a default SN er tim spee value To adjust film speed in steps to the actual speed of the film used press and keys _____ J Entry of patient identification number through numerical keys of control console You can vary the displayed patient ID continuously by pressing and keys Enter Patient ID no For visual observation and adjustment of the object to be recorded you can move appropriate filters into the optical path This selection has no effect on program controlled automatic filter selection in FLUO mode __ Select filter By pressing the button on the joystick and the ENTER key of the control console single flashes are released Serial flashes FLUO ICG are released at 1 s intervals as long as you keep the release button of the joystick depressed _ Release film exposure p g g g g F REEERE VA EEAS TE FIET E ANAE E EES E Y o E ET DE A E A Next patient or ea the E a I a a F ee Enter Patient initial state ID press it once or Initial state press it twice 3 Operation Program flow in FLUO mode with 35 mm camera The description of operations below is based on the following prerequisites Fundus camera has been adjusted to the fundus to be recorded Initial state of program has been set by pressing reset key C CE twice
12. The displays appearing at the individual program steps are shown in the adjacent column e Turn filter wheel to position A e Press FLuo key The display requests you to select one of the available camera types through key group 6 Fig 8 green lighting keys e Press 35 mm key for b w photographs If you use only one 35 mm camera for recording it is better to mount it to the bottom camera port Port 1 The top camera port Port 2 should be reserved for an additional 35 mm camera gt Section Program flow in COLOR mode e Select PORT 1 Film speed is preset by default to 400 ASA If the speed of the used film is different press or keys to set this value e To confirm the film speed setting press ENTER In the next program step enter the Patient s identification no for exposure on the film e Use numerical keys to enter Patient ID To increment or decrement Patient ID continuously use and keys e To confirm the entered Patient ID press ENTER The instrument is ready now for photographic records The display shows the applied flash energy E 13 and the current frame number F 000 Color accept Fluo 35mm 64 Select Camera Fluo Select Port Fluo Speed Fluo Pat Id Ready 35 mm 35 mm 400 35 mm 000000 E 13 Port 2 Port Port 1 Port 1 F 000 Wi 36 Operation E13 F 000 The preset flash energy has been based on experience Ready You can increa
13. al fixation light non examined eye or fixation target of the internal fixation device examined eye Turn the brightness control 4 Fig 29 on the instrument base to adjust observation brightness Move instrument base back and forth to focus the light ring of the fundus camera onto the patient s pupil Operation e f necessary select appropriate filter of the filter wheel 2 gt Section Operating modes e Turn focusing control 3 to focus onto the fundus oculi e Eliminate any residual reflections or vignetting by fine adjustment of the instrument base For this move the joystick 5 or turn its control knob for vertical adjustment 1 Fixation light 2 Filter wheel 3 Focusing control 4 Brightness contro of halogen lamp 5 Joystick with release button 6 Field angle control Fig 29 Fine adjustment of fundus camera 29 30 Operation Operating modes The fundus camera version with photographic equipment allows the following operating modes to be employed Fluorescein angiography FLUO with red free option True color photography COLOR The ICG mode is not available in the photographic version as the techni cal requirements for the use of infrared film are extremely high There fore the ICG mode is provided only for the FF 450 Fundus Camera version with image archiving system The recording cycles are controlled and menu guided via the control console The basi
14. c program flow is illustrated by a flow chart in the section Documentation The operations for taking photographic re cords in the COLOR and FLUO modes are described in the section Program flow Fluorescein angiography FLUO In the FLUO mode b w photographs are taken of the patient s eye dilated for fluorescein angiography For this the patient s eye is illuminated by blue light exciting the injected solution to emit fluorescence light The emitted green light is filtered out in the documentation path of light The keyboard contains control keys to move the exciter filter blue and barrier filter yellow in and out before taking the photographs In this way the operator can view the patient s eye the way it will be recorded subsequently on film or image sensor For every image record in FLUO mode the exciter and barrier filters are moved in and out automatically Fluorescein angiography is a diagnostic method extending over a longer period Therefore documentation of the process is by serial photo graphs gt Section FLUO Preparing the patient In the FLUO mode software allows for both single and serial photographs Images are taken by pushing the button on the joystick gI Operation Red free photographs Usually red free photographs are taken before angiography These photographs provide high contrast b w photographs of the vascular system of the fundus before injection For this turn filter wheel 2 Fig 29 to
15. ch to switch on the unit e f the fundus camera has not been used for more than two months switch on the power supply two hours before starting examinations to allow the electrolytic capacitors to charge 27 1 Power switch Fig 27 BL450 Flash Unit 28 Fig 28 Objektivschutzkappe Operation Preparing the fundus camera Insert film into 35mm camera gt Operating instructions of NIKON F3 HP Mount 35mm camera to camera port gt chapter Installation Photographic equipment and establish electric connections Pull fundus camera with instrument base away from patient Turn control 6 Fig 29 to set the desired field angle This will speed up positioning to the patient eye Adjustment to the patient Preparing the patient Dilate patient s pupil Sit the patient down Adjust the height of the instrument table Have patient rest their chin on chin rest and forehead against forehead rest Turn knurled sleeve gt pp 8 and 9 until the patient s eye is level with the marks on the head rest Have patient lean slightly forward so that their forehead and chin are firmly positioned If necessary adjust your seat Setting the fundus camera Move the instrument base laterally for alignment to either left or right eye Remove objective cap now Not before Note The objective cap is connected to the fundus camera with a bead chain Have patient look to either the extern
16. cording mode and operating State Q Key does not light The function assigned to this key is not available QO Key lights green yellow The function key can be activated for the selected program O Key lights red In the selected program this function is active 14 Fig 9 Numerical keys Fig 10 Reset key Fig 11 Key group with and ENTER key Instrument description Display unit The display unit consists of a two line luminous vacuum fluorescence display It allows convenient and reliable reading in almost all conditions The following information is displayed O Next program step to be executed QO Operating mode Q Photographic port PORT 1 PORT 2 Q Flash energy Q Patient ID no 0 Frame no O Current time after timer release Key groups Numerical keys These keys serve for entering numerical data e g Patient ID in the respective menus Reset key The Reset key provides the following functions Q Cancelling a previous numerical entry Q Aborting the menu at any point of program execution and returning in steps to the initial state C By pressing the Reset key once in the Ready state gt Program flows the program will return to the menu Entry of Patient ID gt Section Program flow By pressing the key twice the program returns to the initial state Key group with and enter key Use the and keys to change the parameter
17. ction light junit l In the case of malfunctions of mechanical and optical subassemblies call service technician Table2 Troubleshooting table Care and maintenance Notes on instrument care Because of its simple enclosed design the fundus camera is almost maintenance free It is however necessary to clean optical components occasionally ophthalmoscopy lens eyepieces To remove dust from accessible surfaces use a soft brush Clean very dirty painted surfaces with a cloth moistened with weak detergent If necessary clean the front surface of the lens with an ether spirit mixture 1 1 applied to a cotton swab For cleaning switch on the illumination so that you can check the cleaning effect Clean the surface by moving the cotton swab or another appropriate tool of the optics cleaning kit circularly from the lens centre to the edge When not in use cover the instrument to protect it from dust using the dust cover provided Store 35mm camera body and all other accessories in their storage boxes Cover camera port and ophthalmoscopy lens with the plastic caps provided Store the original packing material for future transportation or repair If you wish it can be returned to the supplier Specifications Field ange Be 300 20 C Viewing magnification si x 20K Visual observation through special 10x eyepiece with reticle monocular Distance itst S
18. e After you have selected FLUO or COLOR mode turn filter wheel 4 Fig 3 to position RF to move the red free filter into the optical path e To take the photographs proceed as described under Program flow in FLUO and COLOR mode Operation 37 Program flow in COLOR mode The description of operations below is based on the following Color 35 mm Port prerequisites accept 64 Fundus camera has been adjusted to the fundus to be recorded The program has been reset by pressing reset key C CE twice e Turn filter wheel to position C e Press coLor key The display requests you to select one of the available camera types Color through key group 6 Fig 8 green lighting keys Select Camera Press 35 mm key for 35 mm photographs Col 35 Port If you have mounted a 35 mm camera for b w photographs to the a Port a a bottom port Port 1 take the colour photographs with a second 35 mm camera mounted to the top port Port 2 e Inthis case select PORT 2 Color 35 mm Port 2 Speed 64 Film speed is preset by default to 64 ASA If the speed of the used film is different press or keys to set this value e To confirm the film speed setting press ENTER In the next program step enter the Patient s identification no for exposure on the film Color 35 mm Port 2 e Use numerical keys to enter Patient ID Pat Id 000000 To increment or decrement Patient ID continuously use and keys e To confirm the entered Pa
19. ected between IT 350 and flash unit 15 Fig 16 Fig 17 Fig 16 illustrates other connectors for accessories e Donottothe mains supply until all instrument connections have been made Connect the power cable 9 Fig 16 to an earthed mains socket 19 20 installation 11 12 wWOn au hb WN 14 RCA connector cinch for fixation light Flange socket 3 pin for supplementary lamp Flange socket 5 pin for foot switch Flange socket 5 pin for instrument base Serial port Connector for control console Connector for FF 450 control cable Connector for FF 450 flash cable Instrument connector with line filter for mains connection Display window for set line voltage Fuse holders Thermal circuit breakers Warning label Disconnect power cable before opening Nameplate instrument connector for connection of IT 350 Instrument Table 16 Connectors of flash unit Installation 21 Mounting the 35 mm camera The NIKON F3 HP camera is supplied unmounted The dovetail mount for connection to the FF 450 and the data back for exposing defined data are already mounted to the camera When handling the 35 mm camera observe the operating instructions provided with the NIKON F3 HP EEE 1 Clamp screw 2 Dovetail mount 3 Nikon F3 HP camera 4 Connectors for 35 mm camera Fig 18 Mounting the 35 mm camera to the bottom port Port 1 e Adjust the 35
20. ectric motor drive for vertical adjustment of table Power connection with female connector and fuse compartment Table base with 4 adjusting screws for tabletop levelling Instrument description Notes on the use of the IT 350 Instrument Table For detailed notes on the operation of the IT 350 see the separate manual of the IT 350 The features below should be observed for safe operation Caution Thermal overload The motor of the lifting column is not designed for continuous duty Only move the table up or down when it is necessary A continuous duty time of gt 2 5 min may result in overheating of the motor In this case a thermal circuit breaker will automatically switch off the motor Only after an appropriate cooling time the motor and thus the lifting column will operate again Standard photographic equipment The photographic equipment of the FF 450 comprises the NIKON F3 HP 35 mm camera incl winder 2 and data back 1 The camera is mounted to the bottom camera port Port 1 as shown in Fig 18 The operations required for mounting the photographic equipment are described in section Mounting the 35 mm camera The data back serves for exposing data Patient ID frame no and date onto the film Optionally it is possible to mount a second camera of the same type to the top camera port Port 2 for instance for taking colour photographs For details of the use of the NIKON F3 HP camera such as inserting film
21. l of a 10 solution for adults Prof Dr A Wessing Fluoreszenzangiografie der Re tina Textbook and atlas Do not remove the injection needle until the angiogram is finished gt Incidents after fluorescein injections Procedure for a series of fluorescein angiograms First focus onto the patient s eye without any filters Carefully check the focus setting as it is difficult to correct it during the angiogram series It is recommended that the patient is informed of the intended angiogram series and ask her him to keep the eye steady and open wide Set up the menu in the FLUO mode to menu item Ready gt Program flow in FLUO mode Swiftly inject the fluorescein solution When the contrast medium reaches the eye s vessels after an arm to retina time of about 10 s start the angiogram series and con tinue for about 20 seconds Then take single exposures at increasing intervals Operation incidents after fluorescein injections Notes were taken from specialist literature Though incidents after injection of fluorescein sodium are rare they occur occasionally In the literature some serious incidents have been described Q Paravenous injection of smaller volumes of fluorescein sodium is not uncommon Q Vertigo and vomiting occurring shortly after the injection may occur Both will subside within a few minutes without any lasting impair ment of the patient s general well being Caution C
22. matism The axis is continuously adjustable in the range 0 180 Read the set axis value from scale 4 e For setting the cylindrical power turn knurled knob 2 of adjusting screw The scale of the knurled knob is provided with a diopter scale Options 25 Demonstration eye with holderr For training purposes a demonstration eye is available In use mount the holder with the demonstration eye to the rod of the head rest Ametropia is adjustable 5 D by sliding the unit longitudinally Fig 24 Demonstration eye with holder 1 75x converter lens The 1 75x converter lens is available for increasing the lateral magnifica tion The converter lens is mounted between the camera port of the fundus camera and the 35 mm camera e First remove 35 mm camera from fundus camera e Unscrew the dovetail mount from the T2 adapter of the camera Store it in an appropriate box e Screw the converter lens into the T2 adapter e You can mount the camera to the desired port of the fundus camera using the dovetail mount of the converter lens Fig 25 1 75x converter lens Supplementary lamp This lamp serves for illuminating the patient s arm during the injection for fluorescein angiography The supplementary lamp mounts to the head rest 26 Operation Caution Before operating the instrument read and observe the instructions given in the chapter Instrument safety Checking the voltage setting
23. mm camera 3 to 1 15 sec and attach it to dovetail mount 2 of fundus camera and fasten it by clamp screw 1 nz Note When attaching the camera turn the camera by about 45 Otherwise the slightly projecting winder would hinder connec tion to the dovetail mount When thecamera mount hasengaged in the dovetail mount turn the camera back to normal use position 1 Connector for camera control e Make the electric connections between 35 mm camera data back 2 Connector for data back and fundus camera Fig 19 illustrates the corresponding connectors Fig 19 Connectors for 35mm on the fundus camera camera 22 Options Photographic equipment for top camera port On the top the fundus camera has a second port for image recording Port 2 Via a FF 450 adapter on this port various recording systems can be connected For the FF450 Fundus Camera with photographic equipment a NIKON F3 HP 35 mm camera without data back is offered as an option Mounting the 35 mm camera to Port 2 NIKON F3 HP Dovetail mount FF 450 camera adapter Cover plate for Port 2 Connector for camera control Connector for data back Clamp screw Mounting threads NS AW bP WN Fig 20 Mounting a 35 mm camera to Port 2 e Loosen the screws of cover plate 4 and remove the plate e In place of the cover plate mount the FF 450 camera adapter 3 e Attach the NIKON F3 HP camera to dovetail mount 2 and fasten the camera by means
24. n light swan s neck design freely movable Instrument description Controls of fundus camera Fig 2 Controls of fundus camera SSSR Instrument description In the view from the right Fig 2 the following controls of the FF 450 are illustrated wi Bb WN a ewan a Connector for data back of a camera mounted to Port 2 Connector for camera control of a camera mounted to Port 2 Eyepiece Release button Joystick for horizontal X Y and vertical Z by rotation adjustment of the instrument base For coarse horizontal adjustment hold on to the joystick and push the instrument base into the desired direction Control for adjusting halogen lamp brightness Knurled knob for locking the instrument base Hand wheel for tilting the fundus camera Knurled knob for internal focusing covering a diopter range of 30 dpt 10 Slide for pupil reduction The pupil of the optical system can be reduced when focusing the fundus The thus extended depth of field at the same time provides improved reflex free adjustment 11 Protective cap for protecting the objective from dirt and damage when the instrument is not in use The protective cap is firmly connected to the fundus camera through a bead chain It should be replaced after use 12 Clamp screw to lock the fixation light in its mount Instrument description f A VA ANEX We I
25. of clamp screw 7 e Establish electric connection between fundus camera and 35 mm camera by connecting the cable for camera control to connector 5 and the data back cable to connector 6 Note When handling the NIKON F3 HP observe the operating instructions provided with this camera Options 23 FF 450 video adapter Port 2 also allows connection of the FF 450 video adapter This adapter accommodates two additional cameras Preferably the Ports A and B of the adapter are provided for video cameras However after connection of an appropriate relay lens you may also mount a second 35 mm camera to the video adapter Control 3 serves for selecting Port A or B Mounting a video camera to Port 2 Video camera Dovetail mount A Port A B selector control Cover plate for Port 2 FF 450 video adapter Clamp screw for dovetail mount A Clamp screw for dovetail mount B Dovetail mount B en OM R WN a Fig 21 Mounting a video camera to Port 2 e Loosen the screws of cover plate 4 and remove the plate e In place of the cover plate mount the FF 450 video adapter 3 e Attach the video camera to dovetail mount 2 Port Aor 8 Port B and fasten the camera by means of clamp screw 6 or 7 e Establish electric connections between video camera and the corresponding camera supply and image analysis unit Note When handling the video camera observe the operating instructions provided with the camera a
26. onsiderably more severe are sensitisation effects extending from a quickly subsiding urticaria to a severe anaphylactic shock Other inci dents include circulatory syncopes respiratory disorders and generalised convulsive fits Before carrying out fluorescein injections take appropriate precautions for possible incidents Q Nearby keep everything at hand required for resuscitation and shock treatment oxygen apparatus cardiovascular drugs cortisone drugs Q To enable rapid injection of required drugs do not remove the injection needle used for fluorescein injection until the angio gram has been finished O In case of serious incidents it is recommended to keep the patient under observation for at least 24 hours If necessary consult an internal specialist 33 34 Operation Documentation Flow diagram of photographic documentation Initial stat The initial state is automatically set after switch on or after pressing reset ee are o o ikey C CE isasi A On instrument versions with photographic equipment you can choose seleri mode between COLOR and FLUO mode gt For the ICG mode a suitable camera system is required _ _______ RSE oo m nn a a Select camera type a camera types are available STILL still image on CCD camera VIDEO continuous video observation J Select port You can select between nm elect por t PORT 1 bottom port and P
27. ould be retained for reuse whenever you want to change the instrument site Remove the following items Q 2 foamed plastic pads in the guide rails of the instrument base Q 1 small wooden board arranged underneath the locks for horizontal motion Q 1 foamed plastic pad under the joystick Installation 17 Setting up the fundus camera e Mount the instrument base onto the instrument table and fasten it to the tabletop e Turn clamp screw 7 Fig 2 to lock instrument base e Loosen clamp screw 2 on housing 1 of guide sleeve e Carefully lower the FF 450 onto the instrument base Take care that the guide sleeve of the carrier arm smoothly slides onto the mounting pivot 3 and clamp screw 2 fits into the recess of the mounting pivot This screw limits the swivel range Caution Hold the fundus camera vertically when mounting to avoid its canting on the pivot 1 Housing of guide sleeve 2 Clamp screw 3 Mounting pivot Fig 14 Mounting the fundus camera to the instrument base 18 installation Mounting the fixation light e Take fixation light 1 out of packing e Remove knurled screw 2 This screw is required for mounting the fixation light to older versions of the head rest e Plug fixation lamp onto holder 4 on the head rest bracket e Turn knurled screw 5 to lock the fixation light ES Q X S S N 0 UY t N i w SUS 1 Fixation light
28. plies with the O EC Directive 89 336 EEC of the Council of 03 05 1989 for the harmo nisation of the regulations of the member states on electromagnetic compatibility and the a German Law on the electromagnetic compatibility of instruments of 09 11 92 The instrument satisfies the requirements of the following standards Radio noise suppression EN 55011 07 92 Class B Noise immunity EN 60601 1 2 RSPAS OTE Oe EET EY REE EEE TET a Carl Zeiss Jena GmbH Zeiss Group Ophthalmic Instruments Division D 07740 Jena Phone 49 36 41 64 28 07 Fax 49 36 41 64 28 15 319400 7044 201 FF 450 FF 450 IR 07 10 1996
29. position RF A sensor detects the filter and prevents exciter and barrier filters from being moved into the optical path when you release a flash Colour photographs COLOR In the COLOR mode the patient s eye is recorded on a 35 mm colour film in true colours Usually only a few 1 3 photographs are taken in this mode Therefore software permits only single photographs to be taken released by pressing the button on the joystick When using the COLOR mode turn the filter wheel to position C Of course you can take red free photographs also in this mode gt Red free photographs 31 ERSETZEN 32 Q Operation Fluorescein angiography general notes Caution Observe contraindications To avoid any incidents carefully watch the patient and observe the existing contraindications for fluorescein injections Contraindications include among others Q Renal insufficiency Q Serious cardiovascular diseases Q Poor general state of health U Pregnancy Injection The manner of fluorescein injection is crucial for obtaining high contrast fluorescence images Maximum fluorescein concentration in the vessels of the fundus must be achieved within the shortest possible time For the injection process you can mount the optional 12V 5W lamp to the head rest To obtain a clearly visible fluorescence carry out the injection within 2 to 3 seconds The injected dose should be between 8 and 10 m
30. ra or standby O Use coor FLUO keys to select the desired operating mode ms Note The ica mode is applicable only for FF 450 versions with an image archiving system Q Use the 35 mm STILL Or VIDEO keys to select the recording medium 35 mm 35 mm film acc to DIN 4335 or ISO 1007 1977 smite Still image on CCD camera fitted at Port 2 VIDEO image switched by mirror to PORT 2 illumination by halogen lamp online observation on video camera 0 Use porr 7 bottom or port 2 top keys to select the port the 35 mm camera s or equivalent image sensor s are connected to we Note You can switch between Port 1 and Port 2 at every program step and operating mode Fig 12 Key group for auxiliary functions Fig 13 Recording mode selector keys 16 Installation Caution Before installation carefully read and observe the instructions given in the chapter Instrument safety The FF 450 Fundus Camera comes in three shipping containers They contain the following subassemblies O FF 450 Fundus Camera instrument base and head rest with fixation light in foamed plastic case Q BL 450 Flash Unit in foamed plastic case Q Accessories e g photographic equipment Before installation make sure all components are present The instru ment is to be installed by the user Removing transport locks For transport the movable parts of the fundus camera are secured by transport locks which sh
31. s a long life It is very unlikely that the flashbulb needs replacing between regular maintenance checks Replacing the filament lamp of the fixation light va Sore 1 Holder of filament lamp or red blinking LED 2 Filament lamp or LED 3 Cover sleeve Fig 31 Replacing the filament lamp or the LED of the fixation light e Disconnect mains supply e Pull off cover sleeve 3 from holder 1 of fixation light e Unscrew defective filament lamp or the LED 2 from its holder and replace it with a new one Only use original lamp types e Slip cover sleeve onto lamp holder e Finally connect instrument to mains again Care and maintenance Replacing fuses Caution Before changing fuses switch off the instrument and disconnect its power cord The fuses you can replace yourself are arranged on the rear panel of the BL 450 flash unit and on the base of the lifting column of the IT 350 Instrument Table directly above the mains socket e Use a screwdriver to unscrew the fuse link e Replace defective fuse screw in fuse link again Use the following fuses BL 450 Flash Unit Symbol Protected circuit Designation acc to Location IEC 127F1 Fuse cartridge in 2 fuses mains input circuit T 6 3A 220 240V table base T 10A 100 127V T 0 8A 220 240V T 1 6A 100 127V T 0 5A 220 240V E TES E EA e T 5A 220V 240V T 10A 100V 127V lifting system T slow blow All
32. s at predefined intervals and continuously increment or decrement the Patient ID Use the EwTER key to confirm the entered parameters call the next menu item or in the Ready state release single photographs Instrument description 15 Key group for auxiliary functions In the FLUO mode these keys are accessible to activate specific auxiliary functions for setting operations or viewing before recording is started You can press the excite and or Barr keys to swing the exciter filter or the barrier filter into the optical path thus obtaining photo realistic imaging in visual observation Independent of the current state of these keys the corresponding filters will always be swung into the light path when recording images in the FLUO mode fluorescein angiography except for red free records The rimer key starts the timer before the actual recording process If it is not pressed the timer starts with the first exposure With the ww key you can switch between viewing port eyepiece and documentation port 2 This function is useful when between single records you want to check the setting of the fundus camera or follow the course of an angiography by video camera Recording mode selector keys Use these keys to select the recording mode and activate the software controlled program steps The recording modes are characterised by three groups of functions that activate corresponding control functions of the fundus came
33. s will not be repeated Proceed as described under Program flow in FLUO mode or Program flow in COLOR mode Care and maintenance 39 Caution The instrument may be modified and repaired only by service N technicians employed with or authorised by the manufacturer The manufacturer is not liable for damages caused by unauthorised tampering with the instrument Such tampering will also forfeit any rights to claim under warranty The maintenance work you may carry out yourself is described below Replacing lamps Warning Risk of injuries Before changing the lamp switch off the instrument and disconnect its N power cord To avoid burns let the defective lamp cool down before replacing it Caution Avoid touching the lamp bulb with bare fingers Replacing the halogen lamp 1 Carrier with holder for halogen lamp 2 Halogen lamp 3 Flashbulb Fig 30 Location of halogen bulb and flash bulb e To make the lamps accessible remove cover 7 Fig 3 The location of the lamps is shown in Fig 30 e The defective halogen lamp is easily pulled out of its holder e Replace defective lamps only with original types Plug new lamp with its pins into the holder Lamp adjustment is not necessary e Re attach the cover before connecting the instrument to mains again 40 Care and maintenance Replacing the flashbulb Caution A The flashbulb may be replaced by trained service technicians only The flashbulb ha
34. safety instructions and notes with particular attention and care Q The instrument may only be operated by trained or instructed staff Q The FF 450 Fundus Camera was designed in compliance with the Standard DIN VDE 0750 Part 1 and IEC 601 1 Manufacture testing installation maintenance and repair are subject to relevant German and international regulations Q According to the German Ordinance on Medical Instruments the FF 450 Fundus Camera is a Group 3 instrument Q When using the instrument observe the respective national regula tions on the prevention of accidents Instrument description Construction of basic unit Fig 1 Construction of basic unit The main subassemblies of the FF 450 with photographic equipment include 1 Fundus camera including illuminating and viewing system with filters as well as ports for documentation systems 2 Photographic equipment including NIKON F3 HP camera and data back 3 IT 350 Instrument Table with motorised table height adjustment 4 Instrument base with 3D joystick for positioning the fundus camera brightness control for halogen lamp and head rest 5 BL 450 Flash Unit comprising connectors for powering fundus camera fixation light supplementary lamp control console and instrument table 6 Control console comprising display and keyboard 7 Head rest comprising vertically adjustable chin rest forehead rest strap and mounting holes for fixation light 8 Fixatio
35. se or decrease the energy by steps to adapt it to the currently existing object related conditions For this use and keys i Note In the Ready state you can reselect the port Port lt gt Port2 e Torelease the flash and activate the camera press the release button of the joystick or the ENTER key 1 001 E13 F 001 On flash release timer is starting and the number of frames taken so far Okay 70 appears on the display If you wish the timer to start before the first flash start it manually by pressing the rimer key gt Fluorescein angiography we Note Single photographs are released by short presses of the button of the joystick You may also release single photographs by pressing the ENTER key To take serial photographs at 1 s intervals keep the release button depressed e After you have taken the photographs you can return to the program item Entry of Patient ID by pressing the reset key cice once To return to the initial state of the program press the cice key twice Fluo 35 mm Port 1 e To start another photographic cycle with the same recording accept 400 conditions and instrument parameters press the ENTER key The program will then maintain the previous settings and activate the Ready state Program flow for red free photographs Red free photographs are possible in both FLUO and COLOR modes the program flow is analogous to that of these modes gt pp 35 38
36. see the provided separate operating instructions of the camera 1 Data back 2 Winder Fig 5 35 mm camera 11 12 Instrument description BL 450 Flash Unit The BL 450 Flash Unit contains all electric supplies for the FF 450 Fundus Camera IT 350 Instrument Table control console fixation lamp and the optional supplementary lamp The connectors are located on the rear panel of the unit Power switch 1 is the main switch of the fundus camera Operation of this switch connects all supply units or disconnects them from the mains supply The power switch is the only control on the flash unit required for operation of the fundus camera 1 Power switch Fig 6 BL 450 front view nn Instrument description 13 Control console Photographic recording cycles are controlled and menu guided through the keyboard of the control console The keyboard is subdivided into 5 groups of keys They serve for pro gram menu execution according to the selected operating mode The current program item and the corresponding parameters are dis played on the alphanumeric display Fig 7 Control console Display Numerical keys Reset key Keys for continuous variation of parameters ENTER key Group of keys for auxiliary functions before image recording Ovi A WN 6 Keys for recording mode selection Fig 8 Operating panel of control console The keys light differently depending on re
37. tient ID press ENTER The instrument is ready now for photographic records E4 F 000 The display shows the applied flash energy E 4 and the current frame Ready number F 000 The preset flash energy is based on experience You can increase or decrease the energy by steps to adapt it to the currently existing object related conditions For this use and keys gt Note In the Ready state you can select the port again Port lt gt Port2 38 Color accept 35 mm 64 Port 2 Operation To release the flash and activate the camera press the release button of the joystick or the Enter ewrer key np Note In the COLOR mode you can only take single photographs by single presses of the release button on the joystick e After you have taken the photographs you can return to the program item Entry of Patient ID by pressing the reset key cice once e To return to the initial state of the program press the cce key twice e To start another photographic cycle with the same recording conditions and instrument parameters press the ewrer key The program will then maintain the previous settings and directly activate the Ready state Program flow in ICG mode Records in ICG mode require the use of a suitable camera system for the wavelengths to be evaluated The program flow in this mode is analogous to that of FLUO and COLOR modes Therefore description of the individual program step
38. tveaveneaeeeseeweees 27 Preparing the eyepiece cece cece cee ecceecuuee 27 Preparing the BL 450 Flash Unit ceeeeeeeeeeees 27 Preparing the fundus camera 2 eee ee eeeee eee cence 28 Adjustment to the patient ee cece cee eeeees 28 Operating modes ni ei 30 Fluorescein angiography FLUO ceeuneneaee 30 Red free photograpns aaa 30 Colour photographs COLOR ce cess een eeees 31 Fluorescein angiography ssssnanessenenanesnensnne 31 CONTAINGICATIONS ea 31 Injection See een 31 Procedure for a series of fluorescein angiograms 32 Incidents after fluorescein injections eseeeeneeee 33 DOCUMENTAUOM an net 34 Flow diagram of photographic documentation 34 Program flow in FLUO mode with 35 mm camera 35 Program flow for red free photographs eseeee 36 Program flow in COLOR mode eeceeeeeeeenee 37 Program flow in ICG mode a asien 38 Care and maintenance sssessssrsnesesrenenunnure gt 39 Replacing lamps saws sires eins EES 39 Replacing the halogen lamp n usuausnsssssnenensnsane 39 Replacing the flashbulb 1 3 u ne Seen sine eas 40 Replacing the filament lamp of the fixation light 40 Replac ng f ses nee 41 Trouble shooting table a ea 42 Notes on instrument are na ee 44 Specifications ae 45 Declaration of EC Conformity 22222202 00 eee nennen nun 46 Important for safety Notes on safety nn ann 3 Care and maintenance sa eee eae ce eWe 39 Trouble shooting table Au
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