ri-scope® instrumen heads
ri-scope® L otoscope
The RIESTER otoscope described in these Operating Instructions is pro-
1. Purpose
duced for illumination and examination of the auditory canal in combina-
tion with
ear specula.
RIESTER
Either RIESTER disposable ear specula (blue colour) or reusable RIE-
2 Fitting and removing ear specula
STER ear specula (black colour) can be fitted to the otoscope head.
The size of the ear specula is marked at the back of the speculum.
Screw the speculum clockwise until noticeable resistance is felt. To
L1 and L2 otoscopes
remove the speculum, screw the speculum counter clockwise.
Fit the chosen speculum on the chrome-plated metal fixture of the otos-
L3 otoscope
cope until it locks into place.
To remove the speculum, press the blue ejection button. The speculum
is automatically ejected.
The swivel lens is fixed to the device and can be swivelled 360°.
3. Swivel lens for magnification
If you wish to insert external instruments into the ear (e.g. tweezers), you
4. Insertion of external instruments into the ear
have to rotate the swivel lens (approx. 3-fold magnification) located on
the otoscope head by 180°. Now you can use the operation lens.
To perform the pneumatic test (= examination of the eardrum), you requi-
5. Pneumatic test
re a ball, which is not included in the normal delivery package, but can
be ordered separately. The tube for the ball is attached to the connector.
Now you can carefully insert the necessary volume of air into the ear
canal.
ri-scope® L ophthalmoscope
The RIESTER ophthalmoscope described in these Operating
1. Purpose
Instructions is produced for the examination of the eye and the eye-
ground.
The correction lens can be adjusted on the lens wheel. The following cor-
2. Lens wheel with correction lens
rection lenses are available:
Plus: 1-10, 12, 15, 20, 40.
L1 and L2 ophthalmoscopes
Minus: 1-10, 15, 20, 25, 30, 35.
Plus:
1-45 in single steps
L3 ophthalmoscope
Minus: 1-44 in single steps
The values can be read off in the illuminated field of view. Plus values
are displayed in green numbers, minus values with red numbers.
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