English manual - augenarztbedarf.de & ophthalworld.de
Contents
1. juo 2 7757 5 105 pue nss 09 JOU Jayem asury 5 0 _ Samulu OL RK A uonnjos g gt gt gt Jayem Jo 7777777777777 Japjoy y VSN y ul EPojsulsip 0 MOH ENGLISH For further questions please contact your HAAG STREIT representative at http www haag streit com contact contact your distributor html ce HAAG STREIT INTERNATIONAL Certified Quality Management System HAAG STREIT AG Gartenstadtstrasse 10 Sas 1250 3098 Koeniz Switzerland Phone 41 31 978 01 11 ENEO TAIN Fax 41 31 978 02 82 Reg Nr 11956 eMail info haag streit com internet www haag streit com2. INTERNATIONAL 900 INSTRUCTIONS FOR USE Applanation Tonometer AT 900 D 12 Edition 2010 07 LF eS HAAG STREIT INTERNATIONAL ENGLISH ENGLISH INSTRUCTIONS FOR USE Applanation Tonometer AT 900 D 12 Edition 2010 07 Preface Thank you for choosing HAAG STREIT equipment By observing these instructions carefully you can assure the reliable and straightforward use of our product Purpose of use The Applanation Tonometer AT 900 D is an accessory for use with the slit lamp se ries 900 and serves for the measurement of intraocular pressure Due to its adap tion possibilities it is optimised for use with HAAG STREIT slit lamps Thanks to its versatility the Applanation Tonometer can also be assembled on other slit lamps Applanation Tonometer serves to examine and diagnose patient s eye conditions They are mainly used in doctor s practices infirmaries and universities under normal environmental conditions Applanation tonometry may only be carried out by qualified and suitably trained medical staff Caution Federal law restricts this device to sale by or on the order of a physician or practitioner Table of Contents 3 11 3 12 3 13 3 14 3 15 3 16 3 17 HAAG STREIT 3098 Koeniz Switzerland HS Doc no 1500 7220067 04120 12 Edition 2010 07 Sale a 4 naai 4 Transpor
3. HAAG STREIT AG 3098 Koeniz Switzerland HS Doc no 1500 7220067 04120 12 Edition 2010 07 As far as possible do not out examination when eye infections or cornea injuries are present There is no absolute contraindication for the execution of the tonometry Professional assessment and caution are appropriate 1 5 Cleaning disinfection of the measuring prism WARNING Use only clean undamaged and disinfected measuring prisms The instructions in chapter 5 regarding disinfecting must be followed unconditionally e Measuring prisms are dispatched in non disinfected condition Examinations may only be carried out with measuring prisms that are cleaned and disinfected correctly Diseases can be transferred to patients and measuring prisms can be damaged by incorrect disinfection Disinfectant residues the patient s eyes can lead to irritation or chemical burns Therefore prisms must be thoroughly rinsed after disinfection The measuring prisms must be removed from their mountings and placed in the disinfectant solution The measuring prisms may not be disinfected together with other instruments and devices danger of mechanical damage Foran optimal cleaning and disinfection the measuring prisms must be submerged and must move freely in the fluid Prior to disinfection the measuring prisms must be rinsed under cold running water for 30 to 60 seconds Ex
4. alteration of the corneal thickness leads to changes in the measured IOP A corneal thickness is considered to be within the area of 530 to 560 microns Incase of inaccurate measuring results please observe the functional verifications according to chapter 3 15 Maintenance 17 ENGLISH 18 3 15 Maintenance Checking the Tonometer AT 900 D This check should be carried out once a month When getting wrong results the following points must be checked 1 15 the measuring prism set correctly 2 Is the control weight correctly set 3 Repeat the check Defective equipment must be sent without delay to the HAAG STREIT representative NOTE gt HAAG STREIT offers a repair and service packet For further information refer to your HAAG STREIT representative NOTE ko Important inspection because the measurement of the intraocular pressure is very significant in this range Starting position 20 mm Hg The control weight is intended to do this On the control weight there are 5 rings The middle position is 0 mm Hg both directly to the left and right correspond to 20 mm Hg and the two extremes to 60 mm Hg Adjust the control weight on one of the starting positions 40 or 60 mm Hg exactly on the control support a Then insert the control weight in the opening of the tonometer so that the longest part of the bar points in the direction of the examiner Checking position 19 5 The feeler arm must not leave
5. 4 Installation Warning 68 044 4 ODS 4 Cleaning disinfecting the Measuring prism 5 Visual inspection of the measuring prism for damage 6 PERO OP USC 6 DUNS ES COM 7 Cleaning the housing isernia 7 Guarantee and third party product 7 Pictographs and type plate 7 DNS CaN ACEO 8 AT 2 8 AT900 D mod l 8 AT 9900 D model 8 Magnet unit for automated L R eye recognition 8 10 0 6 110 re 9 E 9 General E R Rn E 9 Which slit lamp is suited to which 10 Description Of models 0 4 24 4 10 OPETAN 11 Preparing the patient siessen 11 Preparing the 11 Activation battery test and configuration of the 12 Patient 14 Correct measurement 14 OMICS aoine n m
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7. 6 Visual inspection of the measuring prism for damage A WARNING Do not use damaged measuring prisms Prior to each use the contact surface of the measuring prism must be checked for contamination or damage scratches cracks or sharp edges This must be carried out using the slit lamp microscope at a 10 to 16 x magnification When found to be damaged the measuring prism may no longer be used to avoid damage to the patient s cornea Disinfectant can penetrate into cracks in the measuring prism and lead to chemical burns on the patient s eye during tonometry 1 7 Period of use A WARNING How long may measuring prisms be used Due to the large number of variables to be taken into account type and concentration of the disinfectants used number of patients handling etc it is practically impossible to make a statement as to how often and or how long a measuring prism can be safely used The measuring prisms are engraved with an expiry date YYYY MM They must not be used beyond this date HAAG STREIT recommends a maximum service life of two years before the expiry date This service life applies subject to normal conditions of use i e in compliance with the instructions contained in these instructions for use The period of use begins with the first application The given time periods are not valid for damaged measuring prisms they must be immediately replaced year 0 year 1 year 2 year 3 year 4 year 5 first
8. A warning indicates the user that he has left the measuring range and that the sensor is operating in the allowable range The measuring range is from 3 to 75 mm Hg Above this range the display will show HI and below lo Adjust the display brightness 3 The brightness of the display can be changed with the function button Hold down the function button for about 2 seconds The display shows three dashes and an audible signal sounds Release the button again The display shows br and a level from 1 to 3 By briefly pressing the button you can adjust the brightness It is recommended to use the device on the basic attitude br1 to ensure long operating time of the batteries HAAG STREIT AG 3098 Koeniz Switzerland HS Doc 1500 7220067 04120 12 Edition 2010 07 Adjust the volume 4 The volume can be changed with the function button Hold down the function button for about 2 seconds The display shows three dashes and an audible signal sounds Release the button again The display shows Ld and a level from 1 to 6 By briefly pressing the button you can adjust the volume Bluetooth function 5 Hold down the function key for about 2 seconds to enter the Bluetooth function menu By briefly pressing the button you can switch the Bluetooth function on bon or off This feature works only with the Bluetooth adapter 102623 from HAAG STREIT and the appropr
9. Shipping and unpacking Before you unpack the instrument check whether the packing shows traces of improper handling or damage If this is the case inform the haulier which has delivered the product to you Unpack the instrument together with a representative of the haulier Prepare a protocol describing the parts that are possibly damaged This must be signed by you and by the representative of the haulier Leave instrument in the packing for several hours before unpacking condensation The Applanation Tonometer must be checked for damage after unpacking Return faulty instrument in proper packing The permanent magnets for automatic detection L R available as an option may be used only with the AT 900 D Other measuring instruments in particular mechanical tonometers can be influenced by the magnetic field 1 3 Installation warning notices The installation is carried out according to section 2 maintenance and control and according to segment 3 15 maintenance NOTE gt For assembly other manufacturer s equipment the connection mass of the different tonometer models must be taken into account Check Do the connecting parts fit correctly tonometer on the slit lamp measuring prism 1 4 Operation environment NOTE ko The instrument may only be operated by qualified and trained staff Training is the responsibility of the user Only HAAG STREIT accessories may be used Moisture must be avoided
10. of the slit lamp and open the slit diaphragm fully 5 Snap the sensor arm into place so that the axis of the measuring device and the microscope coincide 6 Switch the tonometer on and adjust it to a value between 5 to 10 mm Hg HAAG STREIT AG 3098 Koeniz Switzerland HS Doc 1500 7220067 04120 12 Edition 2010 07 11 ENGLISH 12 3 8 Activation battery test and configuration of the tonometer Turn On Off 1 Turn the tonometer on by briefly pressing the function button It is recommended that you regularly check the proper functionality of the display while activated 8 8 8 appears briefly then each segment of the display is lit followed by the software version 3 digits At the same time a LED blinks alternately red and green The tonometer is ready for use when the digital display lights up and displays the last set tonometer value The tonometer turns off automatically after 90 seconds if no other adjustment has been made If the BluetoothTM function is disabled Section 5 you can also turn off the tonometer by pressing the function key LED Display 2 The LED below the display is to check whether the measuring prism works in the allowable range during the measurement As long as it glows red the tonometer is not in contact with the cornea and changes to green when the measuring prism is in a good distance to the cornea If the tonometer is too close to the eye the LED color changes to red again
11. the area of free movement prior to the indication of 19 5 mm Hg and no later than 20 5 mm Hg to move forward in the direction of the examiner Checking position 20 5 The feeler arm must not leave the area of free movement prior to the indication of 20 5 mm Hg and no later than at 19 5 mm Hg to push against the thrust in the direction of the patient The feeler arm must move to make contact with the stop limiter on the patient side gt 60 mm Hg 20 20 Hg 75 60 mm HAAG STREIT AG 3098 Koeniz Switzerland HS Doc 1500 7220067 04120 12 Edition 2010 07 Check at 60 mm Hg Adjust the control weight at starting position 60 so that the longest part of the bar points in the direction of the examiner Checking position 59 The feeler arm must not leave the area of free movement prior to the indication of 59 0 mm Hg and no later than at 61 0 mm Hg to push against the thrust in the direction of the examiner Checking position 61 The feeler arm must not leave the area of free movement prior to the indication of 61 0 mm Hg and no later than at 59 0 mm Hg to push against the thrust in the direction of the patient 3 16 Replacement of the batteries 1 Drag carefully the HAAG STREIT logo HS to the bottom and remove the battery compartment cover while tilting it back 2 Pull carefully the tab and remove the cells Always replace all ba
12. use replacement Period of use maximum 2 years first use replacement fabrication HAAG STREIT AG 3098 Koeniz Switzerland HS Doc 1500 7220067 04120 12 Edition 2010 07 1 8 Inspection The tonometer must be maintained every month according to point 3 15 Physically damaged by outside influences e g by impacting dropping requires an inspection in any case NOTE ko Should a refurbishing be necessary then contact your HAAG STREIT representative 1 9 Cleaning the housing Use only a cloth that has been moistened slightly and if necessary a little soap No fluids abrasive mediums or caustic substances may be used The instrument is not to be sprayed 1 10 Guarantee and third party product liability Instrument and accessories are produced from high quality materials using the most modern methods They have left our factory in a faultless condition Nevertheless if you should have any complaints please consult your representative The manufacturer grants a guarantee on the instrument For information regarding guarantee conditions please refer to your local HAAG STREIT representative The manufacturer guarantee covers breakdowns and defects that are caused by materials and design Breakdowns and defects that are caused by improper use or outside influences are excluded from the guarantee Should non authorised persons handle the instrument then all guarantee liabilities are
13. Digital display 9 Function key NO OP WD HAAG STREIT AG 3098 Koeniz Switzerland HS Doc 1500 7220067 04120 12 Edition 2010 07 9 ENGLISH 3 3 Which slit lamp is suited to which tonometer 10 model R model T model BQ BC 900 BD 900 BM 900 BM 900 V 9006 9006 BX 9009 3 4 Description of models The Applanation Tonometer AT 900 D model R is produced for those who wish the tonometer to remain permanently on the slit lamp It is mounted on a pivot on the microscope and for examination is swung forward in front of the microscope The applanation surface is to be examined in a monocular manner through the left ocular The Applanation Tonometer AT 900 D model T is mounted on the guide plate over the slit lamp axis during tonometric examinations For examinations through the right or left ocular the appliance can be mounted in two positions on the guide plate The feeler arm protrudes from below with the measuring prism into the beam path of the microscope and the illumination unit Apart from the working position the Applanation Tonometer AT 900 D model BQ has also two resting positions For perfect tonometric examination the tonometer is swung in front of the microscope and the illumination unit moved from the left to touch the bracket of the tonometer this position the left and right eye of the patient be examined without difficulties no 60 posi
14. REIT AG 3098 Koeniz Switzerland HS Doc 1500 7220067 04120 12 Edition 2010 07 3 13 Astigmatism If the cornea is spherical measurements can be made on any meridian but it is most convenient to do it on the 0 meridian This is not so when eyes with higher corneal astigmatism than 3 dioptres are examined as the flattened areas are not circular but elliptic been calculated that in cases of larger corneal astigmatisms a surface of 7 354 mm2 3 06 mm is to be applanated when the measuring prism is at an angle of 43 to the meridian of the greatest radius Example If the corneal astigmatism amounts to 6 5 mm 30 52 0 D 30 and 8 5 120 40 0 0 120 the graduation value 120 of the prism is set at the red 43 mark of the prism holder If there is a corneal astigmatism of 8 5 mm 30 40 0 D 30 and 6 5 mm 120 52 0 D 120 the graduation value 30 is set at the red 43 mark In other words set the axial position of the greatest radius which is the axis of a minus cylinder on the prism graduation at the red mark on the prism holder 3 14 How the pressure is measured The Applanation Tonometer functions according to the Goldmann method The measuring of the pressure required to maintain a uniform applanation of the surface of the cornea The readings obtained are based on the assumption that a cornea with a thickness is being measured
15. brations can occur in the feeler arm that the patient may find to be unpleasant Observation with AT 900 D model R in the left ocular with AT 900 D model BQ in the right ocular AT 900 D model T 6 Patient preparation 1 For an examination through the tonometer s left or right ocular the angle Anaesthetize both eyes with each e g 2 3 drops of an anaesthetic within half a between the illumination device and the microscope should be ca 60 so that minute Always anaesthetize both eyes as otherwise blinking is unavoidable the image is bright and reflection free Other possibilities Illumination from 2 Place a Fluorescein paper strip in the outer external canthus in the lower behind at about 10 conjunctival sac After a couple of seconds the tear fluid has taken on sufficient fluorescein The paper strip can be removed When using drops a 0 25 to 0 5 sodium Fluorescein solution is recommended Should a 1 or a 2 Fluorescein solution be instilled a small drop is introduced to the conjunctival sac using a glass rod 4 correct eye height of the patient be set at the chin rest 3 Preparation of the equipment For all HAAG STREIT slit lamps and tonometers 1 The ocular adjustment is to be checked before the examination 2 Set magnification to 10x 3 Set equipment power supply the potentiometer to the lowest setting 4 Position the blue filter in the optical path of the illumination device
16. ce by leverage weight AT 900 D model R AT 900 D model T Fits on the microscope Fits on the guide plate on the swivel pin for the microscope and illumination arm AT 900 D Model BQ assembly on the microscope arm Assembly Measurement range 0 80 mmHg Measurement deviation The measurement deviation in the measuring prism is in the measurement range from 0 58 84 mN amounts to a maximum of 1 5 This is a minimum of 0 49 mN of the nominal value Reversal error lt 0 49 mN AT 900 D model R 0 500 kg without accessories AT 900 D model T 0 410 kg without accessories AT 900 D model BQ 0 680 kg without accessories Net weight AT 900 D model R AT 900 D model T AT 900 D model BQ HAAG STREIT AG 3098 Koeniz Switzerland HS Doc no 1500 7220067 04120 12 Edition 2010 07 Statutory regulations According to the 93 42 EEC guidelines the Applanation Tonometer belongs to the medicine products Class with measurement functions The Applanation Tonometer meets the ISO 8612 standard of the declaration of conformity for this instrument can be requested at any time at HAAG STREIT National calibration rules for measuring equipment are to be observed 0 mN 32 66 mN 2 6 Classification CE guidelines 93 42 EEC class Im measuring function FDA class 7 Environment Electric and electronic equipment must be separated from house waste This equipment has been in
17. e both rings coincide The width of the Fluorescein band at the contact point with the measuring prism should be about 1 10 of the surface diameter 0 3 mm 5 Reading the display in mm Hg NOTE ko If the tonometer is too close to the eye the LED color changes to red and a warning indicates the user that he has left the measuring range and that the sensor is operating in the allowable range B HAAG STREIT AG 3098 Koeniz Switzerland HS Doc no 1500 7220067 04120 12 Edition 2010 07 3 11 Sources of error Ocular images Fluorescein band incorrect 1 2 Wrong distance to patient 3 4 Position is too far to the right left 5 9 Position is too high low 10 14 Incorrect pressure 15 18 Fluorescein band too wide 1 1 The measuring prism was not dried after cleaning or the eyelids came into contact with the measuring prism The slit lamp must be pulled back and the measuring body dried with a cotton wool ball Fluorescein band too small 2 The tear fluid has dried during a longer lasting measuring 2 One lets the patient close the eyes a few times and then repeat the measurement Wrong distance to patient No semi circular image visible only markings 3 The measuring prism does not contact the cornea If the 3 patient retreats the head a little irregular pulsations are caused because the measuring prism touches the eye only at times If the patient retreats still further then the F
18. iate software Detailed information can be found in the user manual To avoid unnecessary power consumption of the batteries it is recommended to disable the function boF if you don t need it By pressing the button again for more than two seconds the tonometer returns to the normal measuring mode The normal measuring mode can also be obtained if you wait until the tonometer goes in the stand by mode it will automatically switch to the normal measuring mode Status of batteries If after the activation of the tonometer bAt appears on the screen display the batteries should be changed 4x 1 5V batteries type AAA You can continue to measure until the tonometer automatically shut down HAAG STREIT AG 3098 Koeniz Switzerland HS Doc 1500 7220067 04120 12 Edition 2010 07 ENGLISH 13 ENGLISH 3 9 Patient instructions 1 2 3 Press the head firmly the chin rest and forehead support If necessary use holding band to fix the head s position The patient must look straight forward If necessary the small fixing light can be used to steady the eyes It is recommended that the patient should be repeatedly requested to open the eyes wide during the examination The examiner must perhaps keep the eye open by splaying the eyelids with thumb and index finger This must be done without pressure to the eye In this case the angle between the AT 900 D model T is reduced to 10 between the m
19. icroscope and the illumination facility whereby the light beam is guided through the prism body Anon reflecting image is strived for 3 10 Correct measurement 1 14 Immediately before taking the measurements the patient should be made to close the eyes briefly so that the cornea becomes sufficiently moistened with the lacrimal fluid and fluorescein By moving the slit lamp the measuring head gets in contact with the middle of the cornea over the pupil field By contact with the cornea the limbus takes a bluish shine This can be best observed by direct sight from the opposite side of the illumination device When the limbus is seen to glow then one must stop moving the slit lamp immediately After contact is made the viewing is done through the microscope A constant pulsation of the two semicircle Fluorescein bands of different size at the drum position 1 could indicate a differing intraocular pressure and shows that the tonometer is in the right measuring position Anecessary correction is done using the slit lamp control lever until the two semicircles are seen to be similar in size in the middle of the visual field A Smaller changes in the depth of the slit lamp control lever do not have an influence on the size of the semicircles The pressure on the eye that is caused by turning the tonometer control knob increases until the inner border of both Fluorescein bands just touch correct setting B With pulsation of the ey
20. luorescein rings disappear completely Use a headband as necessary HAAG STREIT AG 3098 Koeniz Switzerland HS Doc 1500 7220067 04120 12 Edition 2010 07 ENGLISH Only parts of both oversize semicircles are visible 4 If the slit lamp is pushed too far against the patient or the patient moves towards the slit lamp the feeler arm pushes against a spring stop The applanation surface is too large The image does not change when the control knob is moved Pull the slit lamp back until uniform pulsations show an appropriately smaller surface as the correct measuring position Pressure changes lead immediately to changes in area Position too far to the right left Only part of the upper semicircle 5 Measuring prism not centred on the eye eye much too far to the right Using the control lever move the slit lamp to the right Whole upper semicircle part of the lower semicircle 6 Measuring prism not centred on the eye eye is too far to the right Using the control lever move the slit lamp to the right All of the lower semicircle part of the upper semicircle 7 Measuring prism not centred on the eye eye is too far to the left DGO Qj Using the control lever move the slit lamp to the left ENGLISH 16 Only part of the lower semicircle 8 Measuring prism not centred on the eye eye too far to the left Using the control lever move the slit lamp to the left Correct setti
21. ng 9 Two semicircles appear exactly in the middle of the ocular Position too high low Only part of a semicircle in the upper half 10 Measuring prism not centred on the eye eye too high Using the control lever move the slit lamp upwards COE Complete circle in the upper half 11 Measuring prism not centred on the eye eye is still too high Using the control lever move the slit lamp upwards Nearly complete circles above incomplete circles below 12 Measuring prism not centred on the eye eye is still too high Using the control lever move the slit lamp upwards Two incomplete circles the larger above 13 Measuring prism 15 nearly centred on the eye eye is still too high Using the control lever move the slit lamp upwards Correct setting 14 Two semicircles appear exactly in the middle of the ocular Incorrect pressure Contact with the outside borders of the Fluorescein bands 15 Not enough pressure Increase the pressure slightly by turning the knob on the tonometer Fluorescein bands are superimposed to form a band 16 Pressure slightly too little Increase the pressure slightly by turning the tonometer adjustment knob Bands are not in contact 17 Pressure is clearly too high COOL Lower the pressure by turning the tonometer adjustment knob in the opposite direction Correct setting 18 The inner edges of the Fluorescein rings
22. null and void Should the instrument be used although damaged through incorrect use then this can lead to injury to persons In this case the manufacturer rejects all liability HAAG STREIT AG 3098 Koeniz Switzerland HS Doc 1500 7220067 04120 12 Edition 2010 07 1 11 Pictographs and type plate as Read very carefully in the instruction manual Manufacturer HS Part Number Date of manufacture HAAG STREIT AG Gartenstrasse 10 3098 Koeniz Switzerland REF XXXX mm N lt Cone SN XXXXX Re 61250 Caution Federal law restricts this device to sale by or on the order of a Physician or Practicioner so This appliance conforms to European Directive 2002 95 EC RoHS ENGLISH ENGLISH 2 Installation NOTE ko For the assembly on devices from other manufacturer s the connection mass of the various tonometer models must be taken into account 2 1 AT 900 D model R A mounting base is necessary for the use of the Applanation Tonometer AT 900 D model R It is assembled as follows 1 Unscrew the set screw to be found above and in the middle of the cylinder body of the microscope 2 Leave the spring in the aperture 3 Position the mounting base for the tonometer and tighten the set screw 4 Mount the tonometer bearer arm on the plug on the mounting base and swing the tonometer to the right until it snaps into position The tonometer remains in this po
23. oftware to transfer the measured intraocular pressure and the information on which eye the pressure has been measured to a PC FORBIDDEN It is not allowed to use the Magnet Unit in combination with a classic mechanical Goldmann Applanation Tonometer The magnetic fields may influence the measuring result of such a device HAAG STREIT AG 3098 Koeniz Switzerland HS Doc no 1500 7220067 04120 12 Edition 2010 07 ENGLISH NOTE ko The Magnet Unit is not usable in combination with the carriage for preset lenses with rail 1400100 If your head rest is equipped with a carriage for preset lenses dismantle the carriage before continuing If you are using a metallic chinrest A attach the Magnet Unit directly using the knurled screws in the back holes e If you are using chinrest in synthetic material fit the distance sleeves and mount the Magnet Unit to the sleeves using the knurled screws in the front holes e Check that you can see the sign underside if you look at the chin rest from the bottom Unterseite Nur mit von Haat Digital Tor 3 Operation Dessous Ton g Streit i Use only with Digital Tonometer approved U n d ersi d e by Haag Streit Tonom tre approuv 3 1 Overview 3 2 General set up Measuring prism Feeler arm Legend plate underside Control weight insertion Control knob Battery compartment cover Battery compartment locking mechanism
24. r 15 Tips for the 17 a 17 How the pressure is 22 2 2442422 2 17 Maintenan te escena 18 Replacement of batteries 00 204 4 444 2 29 15 19 20 Technical 20 Statutory 5 1 21 Classification 21 Environment crian 21 2525 22 ENGLISH ENGLISH 1 Safety Symbols Symbols correspond to EN 980 and ISO 15223 1 Other symbols that are used in these instructions FORBIDDEN Not observing these notes will lead to material damage and the endangering of patients WARNING These must be absolutely adhered to ensure safe operation of the instrument and to avoid endangering users and patients NOTE Important notes Please read carefully 11 Ambient conditions Transport Temperature 40 C to 70 Atmospheric pressure 500hPa to 1060 hPa Relative humidity 10 to 95 Storage Temperature 10 C fo Atmospheric pressure 700 hPa to 1060 Relative humidity 10 to 95 Operating Temperature 10 C fo 3576 Atmospheric pressure 800hPa to 1060 hPa Relative humidity 30 to 75 1 2
25. sition also when not in use 5 When using the BM 900 and BM 900 V the stop peg a must be fitted when using the BC 900 or BD 900 it is removed b 2 2 AT 900 D model The Applanation Tonometer is fixed to the tonometer base using a pin over the slit lamp axis and one of the holes in the horizontal guide plate 2 3 AT 900 D model BQ 1 A small screwdriver and a 5 mm hex wrench are needed for assembly 2 Push the slit lamp until it contacts the limit stop away from the examiner and block the instrument base and the microscope arm in middle position Swing the illumination facility fully to the right Remove the breath shield from the microscope arm Remove the cover screw at the bare right side surface of the microscope arm Stretch and position the tonometer swivel arm and the radial movement bearing in a straight line 7 Support the tonometer on the guide plate and tighten the set screw in the hole in the microscope arm Should a guide plate not be fitted Hold the tonometer in the horizontal position 8 Block the microscope arm and release the instrument base then assemble the breath protection again NOTE ko The cover screw on the left side of the arm is released by turning a screwdriver clockwise only applies to subsequent tonometer deliveries Model R Model T Model BQ 2 4 Magnet Unit for automated L R eye recognition The Magnet Unit allows in conjunction with EyeSuite tonometry s
26. tion The applanation surface is to be examined in a monocular manner through the right ocular of the stereo microscope AT 900 D model T AT 900 D model BQ HAAG STREIT AG 3098 Koeniz Switzerland HS Doc 1500 7220067 04120 12 Edition 2010 07 ENGLISH 3 5 Operation AT 900 D model Rand AT 900 D model BQ 1 Swing the illumination device to the left WARNING 2 Release the tonometer from the locking position to the right of the microscope It is imperative to read the chapter Safety to observe its precautions and it forwards until it locks in the position 3 Bring the illumination device from the left into contact with the tonometer bearer before operating the equipment on 2 arm This is the only illumination position in which both the patient s left and right NOTE eye can be examined no 60 position This arrangement simplifies the splaying ko Only the use of original HAAG STREIT measuring prisms can guarantee of the patient s eyelids should this be necessary to make measurements The trouble free function Sterilised Fluorescein paper strips should always illumination of the applanated surface through the prism head is generally be used as pathogenic exciters thrive well in Fluorescein solutions reflection tree Should the measuring prism come into contact with the cornea without the pressure having previously been correctly set some vi
27. touch each other HAAG STREIT AG 3098 Koeniz Switzerland 1500 7220067 04120 12 Edition 2010 07 3 12 Tips for the measurement NOTE ko The measurements should be carried out as quickly as possible Should the cornea epithelium show signs of dryness then check visual acuity and visual field measurement be repeated Excited and anxious patients frequently have a higher intraocular pressure on the first measurement In the first minute falling tension occurs as the patient notices that a tonometry does not cause any unpleasant feelings With an appropriate anaesthesia and fully opened eyes the patient does not notice anything This is why a test measurement is carried out on both eyes The results are discarded and then three further measurements are carried out on both eyes The values are correct when the pressure has stabilised The scattering results correspond to 0 5 mmHg with the correct procedure t can come to drying of the cornea epithel in both eyes when the measurement takes a long time A ring containing Fluorescein is formed on the eye to be measured where the measuring prism contacts the cornea On the other eye dry irregular Fluorescein patches are formed that are unsuitable for taking measurements Extensive dryness disappears quickly without any particular treatment The visual acuity 15 influenced by this light epithelium defect HAAG ST
28. tremely dirty measuring prisms can additionally be cleaned using a mild soap and a cotton wool ball After disinfection the measuring prisms must be rinsed thoroughly under running cold drinking water for 10 to a maximum of 60 minutes The measuring prisms should then be dried with a clean soft single use cloth and stored in a clean dry closable container Only clean and undamaged measuring prisms may be used Residues can lead to irritation of the patient s eye or chemical burns HAAG STREIT AG 3098 Koeniz Switzerland HS Doc no 1500 7220067 04120 12 Edition 2010 07 Disinfection may only be carried out using disinfectants that have been checked for material compatibility by HAAG STREIT The current compa tibility list is enclosed with every tonometer and every measuring prism It can also be found HAAG STREIT AG homepage www haag streit com The exact effectiveness concentration and stand times can be ta ken from the manufacturer s recommendations and references FORBIDDEN The measuring prism is made from PMMA material The following restrictions are valid disinfection with alcohol cleaning with acetone disinfection with UV irradiation Sterilisation with steam or ethylene oxide immersion in fluid for longer than one hour temperatures over 60 C NOTE We recommend our DESINSET for efficient disinfection and storage ENGLISH ENGLISH 1
29. troduced into the market after 3 4 the 13 of August 2005 Illustration e Disposal via your local collecting point or your HAAG STREIT 1 Nominal value representative ae 2 Maximum limiting deviation Please take the old batteries to a professional disposal 3 Limiting deviation of 0 to 32 66 mN Maximum 0 49 mN e Thus it is ensured that no harmful materials get into the 4 Limiting deviation from 32 67 mN Maximum 1 5 of nominal value environment and that valuable raw materials can be used again HAAG STREIT AG 3098 Koeniz Switzerland HS Doc 1500 7220067 04120 12 Edition 2010 07 21 SJUB IAJUISIP pas JO 191 ayeyy ON lt 50 109 UONN OS JOU 01 ISNINYVM 2209 Inoy uey 104 05221 19 5 AN QUOJOIY 104021 14 91158 sayajesos asneo UOHIAJUISIP 10 ay 10 asn 00 0 02 deos 19 99 ANISU SN 10 y UI 5 deya 1468
30. tteries with new ones do not combine old batteries with new batteries Always use sealed 1 5V AAA batteries 3 Pay attention to the polarity of the batteries Please take the old batteries to a professional disposal Pay attention to respect the correct order according the inscription in the battery compartment See illustration 3 4 Once the batteries are exchanged put the tabs on the underside of the lid into the grooves of the housing and close it by tilting upwards 5 Press gently on the cover and lock the battery compartment by pushing the HAAG STREIT logo back in its place HAAG STREIT AG 3098 Koeniz Switzerland HS Doc 1500 7220067 04120 12 Edition 2010 07 1 Bat 4x1 5V AAA 1 ON ENGLISH 19 ENGLISH 3 17 Error messages Description Actions The measurement value exceed If this error appears permanently _ _ _ the allowed tolerance send the tonometer to the corres Bad position of the feeler arm _ ponding service centre EL 7 The minimum operating voltage Replace the battery is too low the tonometer automatically shuts off 208 Battery voltage is too high Use the correct type of battery Wrong type of battery The electronic of the tonometer If this error appears permanently o is defective send the tonometer to the corres ponding service centre 20 4 Technical data Applanation Tonometer AT 900 D Measuring for
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