Haag-Streit Clement Clarke Ophthalmic BA 904 Instructions For Use Manual Download Page 2

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Introduction

Thank you for choosing the BA 904 portable slit lamp device. Provided you comply

carefully with the instructions for use, we guarantee the reliable and unproblematic use

of the product.

Intended purpose

A slit lamp bio-microscope is intended for use in eye examinations. A light source is

projected towards the eye, this is then viewed using binocular magnification. It is used

to aid the diagnosis and documentation of diseases or trauma that affect the structural

properties of the eye.

Contraindications

There are no known contraindications for tests with this device. Appropriate

professional judgement and caution are necessary.

Manufacture

The BA 904 portable slit lamp is manufactured in the UK by Haag-Streit UK (HS-UK).

Clement Clarke Ophthalmic is a brand of HS-UK, collectively representing the company’s

own range of manufactured ophthalmic diagnostic devices and products. Information on

the Clement Clarke Ophthalmic product range can be found on the HS- UK website at

https://hsuk.co/CCO.

Servicing & maintenance

For information on the servicing or repair of the BA 904 portable slit lamp, users will need

to contact the HS-UK Service Division, at [email protected]. Information on the

HS-UK Service Division can be found on the HS-UK website at

www.haagstreituk.com/service

Please read this instructions for use manual carefully before commissioning this

product. It contains important information regarding the safety of the user and

patient.

Federal law restricts this device to sale by or on the order of a physician

or licensed practitioner.

Summary of Contents for Clement Clarke Ophthalmic BA 904

Page 1: ...BA 904 PORTABLE SLIT LAMP Instructions for use ...

Page 2: ... is manufactured in the UK by Haag Streit UK HS UK Clement Clarke Ophthalmic is a brand of HS UK collectively representing the company s own range of manufactured ophthalmic diagnostic devices and products Information on the Clement Clarke Ophthalmic product range can be found on the HS UK website at https hsuk co CCO Servicing maintenance For information on the servicing or repair of the BA 904 p...

Page 3: ...pliance assembly installation 4 Operation 5 Decommissioning 6 Technical data 7 Maintenance Appendix A Accessories consumables spare parts upgrades Appendix B Legal Appendix C Classification Appendix D Disposal Appendix E Standards Appendix F EMC declaration 3 ...

Page 4: ...age after it is unpacked Do not use damaged equipment Return defective appliances in the appropriate packaging Failure to comply with these instructions for use may result in material damage and or pose a danger to patients or users These warnings must absolutely be complied with to guarantee safe operation of the product and to avoid any danger to users and patients Transport Temperature 10 C to ...

Page 5: ...osive environment where volatile solvents alcohol petrol etc and flammable anaesthetics are in use This equipment must only be operated by qualified personnel The owner is responsible for any training on the device The BA 904 may only be used in accordance with the intended purpose 5 The slit lamp is not designed to have direct contact with the patient For more information please refer to section ...

Page 6: ...Recycle Electrocution Direct current alternating current Authorised Representative Date of manufacture European mark of conformity Follow instructions for use Serial number Caution warning Class II equipment Transport temperature Storage temperature LOT Quantity 55 10 45 5 Transport Storage 55 10 45 5 Transport Storage LOT QTY 6 REP EC ...

Page 7: ...base The illumination offers a range of setting possibilities for making the practically invisible areas of the eye visible The BA 904 slit lamp is available in 2 models Set A and Set C The device can be operated as a table mounted joystick controlled model or in a hand held mode A general arrangement of the two systems accompanied by accessories is shown in Figures 1 and 2 Figure 1 shows Set A an...

Page 8: ...ystick platform 12 Chin rest 13 Chin rest retaining dial 14 Joystick 15 Rise and fall control 16 Slit lamp mounting 17 Retaining bracket 18 Locking tubes 19 Eye level indicator 20 Battery charger 21 Mains power supply 22 Rechargable battery pack 23 Alternative plugs 24 Focusing rod 25 Bulb extractor tool 26 Spanner 27 Spare bulb 28 Spacer 27 23 23 Figure 1 BA 904 Set A 8 11 14 26 25 7 24 21 17 18 ...

Page 9: ...ror 7 Filter control 8 Aperture control 9 Slit control 10 Forehead rest 11 Parking unit 12 Battery charger 13 Mains power supply 14 Energy pack 15 Alternative plugs 16 Disc focusing rod 26 17 Bulb extractor 18 Spanner 19 Spare bulb 20 Spare energy pack 2 Figure 2 BA 904 Set C 1 10 6 8 9 7 3 17 18 19 11 15 12 4 5 14 13 16 20 ...

Page 10: ...04 Set A Figure 3 3 1 Set up Remove the BA 904 slit lamp and the joystick platform from the suitcase see figure 3 10 SUITCASE Assemble the combined head rest chin rest and joystick platform by pivoting the head and chin rest up see figure 4 ...

Page 11: ...lps reduce shake and wander while the BA 904 slit lamp is in use When using the slit lamp in hand held mode the forehead rest is placed on the patient s forehead and the lock is released by turning it anti clockwise Lock the headrest posts in position by screwing the locking tubes Insert the location pin into the slit lamp mounting hole Mount the BA 904 slit lamp over the location pin and locate t...

Page 12: ...Figure 5 Figure 6 Mounting the slit lamp Parking unit Pivot hole nut Location pin 12 BRIEFCASE ...

Page 13: ...hen fitting for the first time you may need to push it down with some force to align the connectors Switch on the power using the brightness control knob and the BA 904 is ready for use When detaching the energy pack press the small knob at the base back and up to release the pack from the unit see figure 8 Figure 7 Figure 8 CONNECTING THE ENERGY PACK DETACHING THE ENERGY PACK MAINS POWER SUPPLY E...

Page 14: ...en before the fast charge commences It then changes to orange The rechargeable battery pack is fully charged when the LED turns green with a short intermittent yellow flash 4 Connect the rechargeable battery pack to the BA 904 slit lamp by pushing it down to align the connectors 5 Maximum duration of illumination using one fully charged battery pack is 45 minutes The green LED illuminates when the...

Page 15: ...rning the knurled ocular refraction ring see figure 11 so that the projected slit can be seen in focus The pupil distance can then be set on the binocular microscope Adjust the interpupillary distance by gently rotating the stereo microscope until a full binocular image is attained Greater magnification from the microscope can be achieved using the 16x eyepieces available as an optional accessory ...

Page 16: ...onents that come into contact with the patient should be cleaned prior to every use to prevent cross infection The lamp must be switched off after every examination to preserve the life of the battery and bulb and to minimise operating temperatures 4 3 Operating the instrument Use the chin rest retaining dial to set the chin rest ensuring the patients eyes are at the same height as the level on th...

Page 17: ...ition the entire device up and down forwards and backwards left and right until the slit appears approximately focused on the eye Fine tuning can be achieved whilst looking through the stereo microscope If an oblique viewing angle is required from the microscope the BA 904 slit lamp must be raised using the spacer so that the microscope arm may be rotated The slit width is selected using the diaph...

Page 18: ... storing away the joystick platform in its carrying suitcase always release the head rest upright column locking tubes and chin rest retaining dial before folding down the head and chin rest Once the joystick platform is folded up the chin rest retaining dial may be tightened for transportation Set C When storing the parking unit inside the briefcase the location pin should be inserted into the cu...

Page 19: ...at Schott Bk7 Blue Hazard yellow Schott GG495 Blue Schott OB12 6 2 Stereo microscope 6 3 Electrical requirements Stereo angle 13 Magnification 10 x standard 16 x optional Range of adjusting eye piece 8 to 5 Dioptres Pupil distance 54mm 94 mm Object field diameter 18 mm 11 3 mm Mains input voltage 110 240V AC 50 60 Hz Battery charger input voltage 110 240V AC Output voltage 6 V DC Output current ra...

Page 20: ...stment of optional instrument base 95mm length 50mm side 50mm height Rated load for chin rest 5 9kg Set A Set C Weight packed 10kg 7 5kg Dimensions packed Set A 61 x 50 x 17 5cm Set C 50 x 49 x 14cm Packaging Set A 61 x 58 x 18 cm Set C 50 x 49 x 15 5 cm ...

Page 21: ...mination at 50 Set the eyepieces so that the test rod is in sharp focus Close the slit edge to 0 5 mm The borders must be sharp This device has no metrology aspects and does not require calibration To ensure the device maintains a long service life Haag Streit UK the manufacturer recommend the device is serviced annually Turn off the illumination control rheostat and disconnect the power supply be...

Page 22: ... To replace the G4 6v 10W halogen bulb remove the protective bulb cover using the tool supplied see Figure 15 Rotate a quarter turn counter clockwise Engage the bulb and pull it outwards Insert the replacement bulb into the tool ensuring the pins are horizontal Insert the pins into the lamp housing and release the tool by pressing the plunger see Figure 16 Replace the protective bulb cover reconne...

Page 23: ...or must be cleaned and disinfected using 70 isopropyl alcohol or ethanol alcohol prior to every examination The outer covers may be cleaned and disinfected using a soft lint free cloth dampened with a disinfectant Do not spray directly onto the surface During use the external optical surfaces of the slit lamp may become soiled particularly the outside surface of the eyepiece lens Normally this is ...

Page 24: ...he statutory guidelines and which does not affect other devices in the vicinity The device has immunity as stipulated in the standard Statutory accident regulations are to be observed 5606474 Energy pack 5606480 Charger UK 5606175 Charger EU 5606174 Charger US 5606489 Parking unit includes location pin 5606493 Location pin 5606478 Power supply assembly UK 5606332 Pair of 16x eyepieces 5606477 Larg...

Page 25: ...rdous substances will enter the environment and that valuable raw materials are recycled The battery may contain toxic or hazardous material and must be disposed of as Waste Electrical Electronic Equipment WEEE For all applicable devices under the WEEE directive which have reached their end of life please contact the BA 904 manufacturer Haag Streit UK on 44 0 1279 414969 who will instruct you how ...

Page 26: ... and a summary of EMC tests in accordance with IEC 60601 1 2 is available at https hsuk co quality Appendix F Electro Magnetic Compatibility EMC The BA 904 slit lamp is designed to illuminate the eye with a halogen bulb to allow examination of the structure of the human eye EMC disturbances to the essential performance of the BA 904 slit lamp could be displayed by a loss or reduction in the illumi...

Page 27: ...27 ...

Page 28: ...Haag Streit UK website at www haagstreituk com ifu HAAG STREIT UK Edinburgh Way Harlow Essex CM20 2TT Phone 44 0 1279 414969 ba904 haag streit uk com www haagstreituk com ba904 HAAG STREIT SURGICAL GmbH Co KG Rosengarten 10 22880 Wedel Germany Phone 49 4103 709 01 Fax 49 4103 709 350 REP EC ...

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