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

Portable slit lamp
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BA 904 PORTABLE SLIT LAMP
Instructions for use

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Summary of Contents for Haag-Streit Clement Clarke Ophthalmic BA 904

  • Page 1 BA 904 PORTABLE SLIT LAMP Instructions for use...
  • Page 2 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.

  • Page 3: Table Of Contents

    Contents 1. Safety 2. Introduction & general description 3. Appliance 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...

  • Page 4: Safety

    Safety 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. Some portable radio frequency equipment, like mobile phones or RF telephone equipment, including antennas, may cause interference with medical devices.
  • Page 5 Store packaging material carefully so that it can be used if the device needs to be moved or returned for servicing. 1.4 Installation warnings Repairs may only be performed by fully-trained Haag-Streit UK accredited engineers. Any third-party device must be connected in compliance with the EN 60601-1 standard.
  • Page 6 1.9 Description of symbols Waste Electrical & Electronic Keep dry Equipment (WEEE) Reference number Fragile Manufacturer This way up Date of manufacture Recycle European mark of conformity Electrocution Follow instructions for use Direct current/alternating current Serial number Authorised Representative Quantity Caution/warning Class II equipment 55 ˚...

  • Page 7: Introduction & General Description

    Introduction & general description General description The BA 904 slit lamp consists of the illumination of a binocular microscope which can be moved, in front of the eyes, either in hand-held operation or with an optional instrument base. The illumination offers a range of setting possibilities for making the practically invisible areas of the eye visible.
  • Page 8 Figure 1 - BA 904 Set A 1. Stereoscopic bio-microscope 15. Rise and fall control 2. Illumination projection unit 16. Slit lamp mounting 3. Illumination control dial 17. Retaining bracket 4. Interchangeable eyepieces 18. Locking tubes 5. Bulb cover 19. Eye level indicator 6.
  • Page 9 Figure 2 - BA 904 Set C 1. Stereoscopic bio-microscope 11. Parking unit 2. Slit lamp projection unit 12. Battery charger 3. Brightness control 13. Mains power supply 4. Eyepieces 14. Energy pack 5. Lamp cover 15. Alternative plugs 6. Illumination mirror 16.

  • Page 10: Appliance Assembly/Installation

    Appliance assembly/installation 3.1 Set-up BA 904 Set A • Remove the BA 904 slit lamp and the joystick platform from the suitcase (see figure 3) Figure 3 SUITCASE • Assemble the combined head rest, chin rest and joystick platform by pivoting the head and chin rest up (see figure 4)
  • Page 11 Figure 4 PIVOTING HEAD & CHIN REST • 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 the body of the slit lamp into the retaining bracket.
  • Page 12 Figure 5 BRIEFCASE Figure 6 - Mounting the slit lamp Pivot hole/nut Parking unit Location pin...
  • Page 13 3.2 Power supply This device must only be operated with the provided mains power supply lead and rechargeable battery power supplies. Connect the energy pack to the BA 904 slit lamp as shown in figure 7. When fitting for the first time you may need to push it down with some force to align the connectors.
  • Page 14 Mains operation The mains power supply (figure 9) is used to power the BA 904 slit lamp from the mains. • Attach the appropriate mains plug to the power supply • Connect the power supply to the BA 904 slit lamp by pushing it down, to align the connectors.

  • Page 15: Operation

    Operation 4.1 Setting the eyepieces The BA 904 slit lamp is factory set to allow a small amount of convergence through the device, in order to achieve optimum stereopsis. In some users this convergence may induce a small amount of accommodation. The eyepieces must be individually set prior to the first examination in accordance with the refraction of the examiner.
  • Page 16 • Head and chin rest components 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 4.3.1 Headrest configuration (figure 12) •...
  • Page 17 4.3.2 Handheld configuration (figure 13) • Adjust the eyepieces in accordance with the examiners refraction, by turning the eyepieces and set the inter-pupillary distance • Switch the illumination on by rotating the illumination control dial clockwise • Manually position the entire device up and down, forwards and backwards, left and right until the slit appears approximately focused on the eye.

  • Page 18: Decommissioning

    Decommissioning The lamp must be switched off after every examination. The illumination can be switched off by rotating the illumination control anticlockwise, until the end of travel. Lift the slit lamp slightly to disconnect it from the parking unit or retaining bracket.

  • Page 19: Technical Data

    Technical data 6.1 Slit illumination Illumination source 6v 10w Halogen Slit image width 0.12, 0.25, 0.5mm Slit image length 3, 5, 8, 14mm Illumination field circle Slit image rotatability ±90° Filters Flat (Schott Bk7), Blue Hazard (yellow Schott GG495), Blue (Schott OB12) 6.2 Stereo microscope Stereo angle 13°...
  • Page 20 6.4 The joy stick platform Loading Adjustment of optional instrument base 95mm (length), 50mm (side), 50mm (height) Rated load for chin rest 5.9kg Dimensions 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...

  • Page 21: Maintenance

    Calibration 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. 7.2 Device inspection In order to correctly check the slit lamp, proceed as follows: •...
  • Page 22 Please follow national and local infection control laws, standards or guidelines. Please observe the manufacturer’s instructions for all cleaning and disinfecting agents. The manufacturer, Haag-Streit UK, only approves the following cleaning and disinfecting procedure. Other procedures and cleaning agents must be validated.
  • Page 23 Some parts of the device are not meant for frequent cleaning and disinfection, and may become damaged after some time. These include; • Eyepieces • Illumination mirror • Device labels. The device labels are not designed for frequent cleaning and disinfection. These may degrade if the process is repeated multiple times.

  • Page 24: Appendix A: Accessories, Consumables. Spare Parts & Upgrades

    • 5606410 Lamp extractor tool • 6000310 Replacement bulb To order any of the above spare parts, please contact the Haag-Streit UK Customer Service Team on +44 (0)1279 414969. Appendix B - Legal regulations • The BA 904 slit lamp was designed and developed to conform with EN-60601-1 and EN ISO 10939 standards •...

  • Page 25: Appendix E: Standards

    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 to return your device for disposal.
  • Page 26 The use of accessories and cables, other than those specified by Haag-Streit UK, the manufacturer, with the exception of cables sold by Haag-Streit UK as replacement parts for internal components, may result in increased emission or decreased immunity of the device.
  • Page 28 Fax: +49 4103 709 350 HAAG-STREIT UK Edinburgh Way Harlow Essex CM20 2TT Phone +44 (0) 1279 414969 ba904@haag-streit-uk.com For full Instructions for use see the Haag-Streit UK www.haagstreituk.com/ba904 website at www.haagstreituk.com/ifu © HAAG-STREIT UK 2021 1639 1902546/ISSUE 9/MAY 2021...

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