Haag-Streit AT 870 Instructions For Use Manual
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Haag-Streit AT 870 Instructions For Use Manual

Applanation tonometer
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SVENSKA
NEDERLANDS
PORTUGUÊS
ESPAÑOL
ITALIANO
FRANÇAIS
DEUTSCH
ENGLISH
INSTRUCTIONS FOR USE
Applanation tonometer
AT 900
/ 870
®
22. Edition / 2016 – 06
© HAAG‑STREIT AG, 3098 Koeniz, Switzerland – HS‑Doc. no. 1500.7006000.04220 – 22. Edition / 2016 – 06
1

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Summary of Contents for Haag-Streit AT 870

  • Page 1 SVENSKA NEDERLANDS PORTUGUÊS ESPAÑOL ITALIANO FRANÇAIS DEUTSCH ENGLISH INSTRUCTIONS FOR USE Applanation tonometer AT 900 / 870 ® 22. Edition / 2016 – 06 © HAAG‑STREIT AG, 3098 Koeniz, Switzerland – HS‑Doc. no. 1500.7006000.04220 – 22. Edition / 2016 – 06...
  • Page 2 PORTUGUÊS NEDERLANDS SVENSKA Introduction INSTRUCTIONS FOR USE Thank you for choosing a HAAG-STREIT device. Provided you comply carefully Applanation tonometer with the regulations in this instructions for use, we can guarantee the reliable and AT 900 / 870 unproblematic use of our product.

  • Page 3: Table Of Contents

    Disinfection .................... 4 Checking the Tonometer AT 900 ............14 1.6.1 Cleaning and disinfection of the measuring prism ......... 5 Checking the Tonometer AT 870 ............15 1.6.2 Visual inspection of the measuring prisms for damages ......5 1.6.3 Service life of reusable measuring prisms ..........6 Appendix ..............17...

  • Page 4: Safety

    ENGLISH DEUTSCH FRANÇAIS ITALIANO ESPAÑOL PORTUGUÊS NEDERLANDS SVENSKA • Store packaging material carefully, so that it can be used for possible returns or Safety when moving. DANGER! NOTE! Failure to comply with these instructions may result in material damage Check the calibration of the instrument before first use according to the or pose a danger to patients or users.

  • Page 5: Cleaning And Disinfection Of The Measuring Prism

    SVENSKA NEDERLANDS PORTUGUÊS ESPAÑOL ITALIANO FRANÇAIS DEUTSCH ENGLISH • Residue from cleaning agents and disinfectants may irritate and burn 1.6.1 Cleaning and disinfection of the measuring prism the patient’s eye. DANGER! • As a rule, the measuring prisms may be prepared together with each The measuring prisms are made of PMMA.

  • Page 6: Service Life Of Reusable Measuring Prisms

    HAAG‑STREIT recommends a maximum • Haag-Streit products must be used only for the purposes and in the manner des- service life of two years before the expiry date. This service life applies cribed in the documents distributed with the product.

  • Page 7: Introduction

    1. Unscrew the mounting screw found at the top, on the microscope's middle cyl‑ inder housing. 3.4 Tonometer AT 870 2. Leave the spring in the aperture. NOTE! 3. Position and screw on tightly the pivot for the tonometer.

  • Page 8: Which Slit Lamp With Which Tonometer

    ESPAÑOL PORTUGUÊS NEDERLANDS SVENSKA • The Applanation Tonometer AT 870 is positioned over the slit lamp's (from oth‑ 3.5 Which slit lamp with which tonometer er manufacturer) microscope. The feeler arm projects into the microscope and Model R Model T...

  • Page 9: Astigmatism

    30° graduation mark is set on the mark (A), meaning that simply the axis 5.6 Preparation of the tonometer position of the largest radius is placed on the mark (A). For all HAAG-STREIT slit lamps and tonometers 5.3 How pressure is measured 1. The eyepiece adjustment is to be checked before the examination.

  • Page 10: Measuring Correctly

    1/10 of the diameter of the applanation surface (0.3 mm). behind at about 10°. 11. Reading the scale value: AT 870 • Reading the value 1. Swing the sensor arm with the measuring prism into the beam path of the micro‑...

  • Page 11: Sources Of Error

    SVENSKA NEDERLANDS PORTUGUÊS ESPAÑOL ITALIANO FRANÇAIS DEUTSCH ENGLISH 5.8 Sources of error Only parts of both oversize semicircles are visible (4) If the slit lamp is pushed too far against the patient, or if the Ocular images patient moves toward the slit lamp, the sensor arm will push Fluorescein band incorrect 1 ‒...

  • Page 12: Position Too High / Low

    ENGLISH DEUTSCH FRANÇAIS ITALIANO ESPAÑOL PORTUGUÊS NEDERLANDS SVENSKA Correct setting! (9) 5.8.4 Incorrect pressure Two semicircles appear exactly in the middle of the eyepiece. The outside borders of the fluorescein bands are in contact with each other (15) Not enough pressure. Increase the pressure slightly by rotating the knob on the 5.8.3 Position too high / low tonometer.

  • Page 13: Applanation Tonometer At 870

    • Do not use any liquids, corrosive substances or alcohol. AT 900 model R AT 900 model T AT 900 model BQ 6.2 Applanation tonometer AT 870 Measuring force generated Via spring force Installation On / over the microscope Measurement range 0 ―...

  • Page 14: Checking The Tonometer At 900

    Defective equipment must be sent immediately to your HAAG‑STREIT represen‑ tative. AT 900 model R AT 900 model T AT 900 model BQ AT 870 NOTE! HAAG‑STREIT offers a repair and service package. For further informa‑ tion, please contact your HAAG‑STREIT representative directly. Check the drum position 0 •...

  • Page 15: Checking The Tonometer At 870

    The check point is at 6.1. Move the measuring drum's calibration mark 6 upwards, opposite the index, by a ½ interval. The feeler arm must move towards the patient. 7.4 Checking the Tonometer AT 870 NOTE! This check must be carried out once a month. If the check yields errone‑...
  • Page 16 ENGLISH DEUTSCH FRANÇAIS ITALIANO ESPAÑOL PORTUGUÊS NEDERLANDS SVENSKA Check the drum position 0 In working position, the feeler arm is swivelled and the measuring drum is set to 0. The arm carrying the measuring prism must swing freely between the limit stops on contact.

  • Page 17: Appendix

    A.2 Accessories – Tonosafe Tonosafe disposable prisms are a comfortable and effective For correct disposal, please contact your HAAG-STREIT representati- solution to reduce the risk of cross‑infection in patients. To‑ ve. This will guarantee that no hazardous substances enter the envi- nosafe is available in sterile packages with 5 supports and 100 ronment and that valuable raw materials are recycled.
  • Page 18 ENGLISH DEUTSCH FRANÇAIS ITALIANO ESPAÑOL PORTUGUÊS NEDERLANDS SVENSKA © HAAG‑STREIT AG, 3098 Koeniz, Switzerland − HS‑Doc. no. 1500.7006000.04220 – 22. Edition / 2016 – 06...
  • Page 19 SVENSKA NEDERLANDS PORTUGUÊS ESPAÑOL ITALIANO FRANÇAIS DEUTSCH ENGLISH © HAAG‑STREIT AG, 3098 Koeniz, Switzerland – HS‑Doc. no. 1500.7006000.04220 – 22. Edition / 2016 – 06...
  • Page 20 FRANÇAIS ITALIANO ESPAÑOL PORTUGUÊS NEDERLANDS SVENSKA Should you have any further questions, please contact your HAAG‑STREIT representative at: http://www.haag-streit.com/contact/contact-your-distributor.html HAAG-STREIT AG Gartenstadtstrasse 10 1250 3098 Koeniz, Switzerland Phone +41 31 978 01 11 +41 31 978 02 82 eMail info@haag-streit.com Internet www.haag-streit.com...

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