Haag-Streit Goldmann AT 870 Скачать руководство пользователя страница 14

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© HAAG‑STREIT AG, 3098 Koeniz, Switzerland − HS‑Doc. no. 1500.7006000.04220 – 22. Edition / 2016 – 06

7.3  Checking the Tonometer AT 900

NOTE!

This check must be carried out once a month. If the check yields errone‑

ous results, please check the following points:

1.  Is the measuring prism properly positioned?

2.  Is the control weight correctly set?

3.  Repeat the check.

Defective equipment must be sent immediately to your HAAG‑STREIT represen‑

tative.

NOTE!

HAAG‑STREIT offers a repair and service package. For further informa‑

tion, please contact your HAAG‑STREIT representative directly.

AT 900 model R

AT 900 model T

AT 900 model BQ

AT 870

Check the drum position 0

• 

Check position ‑0.05

The zero line on the measuring drum is moved downwards, opposite the index, by 

a single marking width. The feeler arm must move by itself all the way to the stop‑

piece, in the direction of the examiner.

• 

Check po0.05

The zero line on the measuring drum is moved upwards, opposite the index. The 

feeler arm must move all the way to the stop‑piece, on the patient's side.

 ‑0.05

 +0.05

Check the drum position 2

NOTE!

This is the most important test because measurement of inter‑ocular pres‑

sure in this area is of critical importance.

• 

To conduct it, a control weight is used. The weight rod is engraved with five 

rings. The middle ring corresponds to a scale value of 0, the rings immediately 

to its left and right correspond to a value of 2, and both outside scale rings have 

a value of 6.

• 

One of the drum setting marks is set exactly to the index line on the holder. The 

weight is fitted on the feeler axis (33) so that the longer part points to the exam

iner.

33

6

2

0

6

2

01-IFU_AT900-7006000-04220_eng.indd   14

09.06.2016   13:51:04

Содержание Goldmann AT 870

Страница 1: ...EDERLANDS PORTUGU S SVENSKA HAAG STREIT AG 3098 Koeniz Switzerland HS Doc no 1500 7006000 04220 22 Edition 2016 06 INSTRUCTIONS FOR USE Applanation tonometer AT 900 870 22 Edition 2016 06 01 IFU_AT900...

Страница 2: ...device is an accessory to slit lamps used to measure intraocular pressure Contraindication There is no absolute contraindication for execution of the tonometry Appropriate professional assessment and...

Страница 3: ...el T 7 3 3 AT 900 Model BQ 7 3 4 Tonometer AT 870 7 3 5 Which slit lamp with which tonometer 8 3 6 Description of models 8 4 Commissioning 8 5 Operation 8 5 1 Measuring tips 8 5 2 Astigmatism 9 5 3 Ho...

Страница 4: ...the packaging for a few hours before unpacking it conden sation Check the appliance for damage after it is unpacked Return defective appliances in the appropriate packaging Store packaging material c...

Страница 5: ...risms contact glasses and DESINSET is to be consulted regarding the exact functioning concentration working times and idle times Improper preparation can result in the transmission of diseases to the...

Страница 6: ...Additional details can be found in the separate instruc tions for use 1 6 5 Monthly device checks The tonometer must be checked on a monthly basis as described in the Mainte nance chapter A check will...

Страница 7: ...in in this position even when not in use 5 When using the BI 900 BM 900 and BM 900 V the stop peg must be assembled a and when using the BC 900 or BD 900 it must be removed b 3 2 AT 900 Model T The Ap...

Страница 8: ...roscope The feeler arm projects into the microscope and illumination beam path from above The tonometer is ready for use with a single swivel movement of the feeler arm NOTE The instructions for appli...

Страница 9: ...considered to fall within the range of 530 to 560 Mikrometer If inaccurate measuring results are suspected please conduct a functional verifi cation in accordance with Section Maintenance 5 4 Preparin...

Страница 10: ...at about 10 3 The microscope must be adjusted before the examination according to the op erator s refraction so that the fluorescein rings can be observed sharply during the examination 4 Set the mea...

Страница 11: ...in rings will disappear completely Use a headband if necessary Only parts of both oversize semicircles are visible 4 4 If the slit lamp is pushed too far against the patient or if the patient moves to...

Страница 12: ...4 Incorrect pressure The outside borders of the fluorescein bands are in contact with each other 15 15 Not enough pressure Increase the pressure slightly by rotating the knob on the tonometer Fluores...

Страница 13: ...900 Backlash width 0 49 mN Net weight 0 850 kg without accessories 1 Nominal value 2 Maximum limiting deviation 3 Limiting deviation of 0 to 32 66 mN Maximum 0 49 mN 4 Limiting deviation from 32 67 m...

Страница 14: ...is moved downwards opposite the index by a single marking width The feeler arm must move by itself all the way to the stop piece in the direction of the examiner Check position 0 05 The zero line on t...

Страница 15: ...n mark 6 down wards opposite the index by a interval The feeler arm must move towards the examiner Check position 6 1 The check point is at 6 1 Move the measuring drum s calibration mark 6 upwards opp...

Страница 16: ...2 and both outside scale rings have a value of 6 A mark corresponding to the measuring drum setting 2 is set exactly to the index mark on the weight holder whereupon the weight is fitted on the tonome...

Страница 17: ...d disin fected after every examination See chapter 2 in the separate instructions for use Cleaning and disinfection HS item no 7220315 2015 10 A 2 Accessories Tonosafe Tonosafe disposable prisms are a...

Страница 18: ...ENGLISH FRAN AIS ITALIANO ESPA OL NEDERLANDS PORTUGU S SVENSKA HAAG STREIT AG 3098 Koeniz Switzerland HS Doc no 1500 7006000 04220 22 Edition 2016 06 01 IFU_AT900 7006000 04220_eng indd 18 09 06 2016...

Страница 19: ...ENGLISH FRAN AIS ITALIANO ESPA OL NEDERLANDS PORTUGU S SVENSKA HAAG STREIT AG 3098 Koeniz Switzerland HS Doc no 1500 7006000 04220 22 Edition 2016 06 01 IFU_AT900 7006000 04220_eng indd 19 09 06 2016...

Страница 20: ...82 eMail info haag streit com Internet www haag streit com 20 DEUTSCH ENGLISH FRAN AIS ITALIANO ESPA OL NEDERLANDS PORTUGU S SVENSKA HAAG STREIT AG 3098 Koeniz Switzerland HS Doc no 1500 7006000 0422...

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