The operation otoscope has been designed so that external instruments
4. Insertion of external insruments into the ear
can be inserted into the ear without a problem.
ri-scope®
Veterinary operation otoscope XL 3,5 V
without speculum
The RIESTER operation otoscope described in these instructions for use
1. Intended use
was manufactured solely for use in animals and thus for veterinary medi-
cine. It can be used for illumination and examination of the auditory canal
as well as for small operations in the auditory canal.
2. Attachment and removal of ear specula for veterinary
Place the desired speculum onto the black holder of the operation otos-
medicine
cope so that the recess on the speculum fits into the guide of the holder.
Fix the speculum by turning it in a counter-clockwise direction.
There is a small magnification lens which can be swivelled by 360° on
3. Swivel lens for magnification
the operation otoscope with approx. 2.5-fold magnification.
13.
Replacing the lamp
Remove the specula fitting from the otoscope. Screw out the lamp coun-
L1 otoscope
ter clockwise.
Screw in the new lamp clockwise and replace the specula fitting.
L2, L3 otoscopes, ri-derma®, bent-arm illuminator, nasal
Screw the instrument head off the battery holder.
speculum and blade holder
The lamp is located at the base of the instrument head.
Pull the lamp out of the instrument head with thumb and forefinger or a
suitable tool. Insert a new lamp.
Remove the instrument head from the battery holder.
Ophthalmoscopes
The lamp is located at the base of the instrument head.
Remove the lamp from the instrument head with thumb and forefinger or
a suitable tool. Insert a new lamp.
Caution: The pin on the lamp must be inserted into the guide groove on
the instrument head.
Screw the lamp out of the fixture in the operation otoscope and screw in
Veterinary/human operation otoscope
a new lamp.
Remove the instrument head from the battery handle.
Instrument heads: Retinoscope slit and spot
The lamp is located in a sleeve at the base of the instrument head.
Remove the lamp from the sleeve using the thumb and index finger or a
suitable tool. Insert the new lamp firmly into the sleeve and replace the
sleeve back into the instrument head so that the base of the lamp fits into
the slot on the instrument head.
42