auditory canal, as well as for minor operations in the auditory canal.
14.2. Attachment and removal of ear specula in veterinary medicine
Position the required speculum on the black bracket of the operating otoscope,
with the recess of the speculum fitting into the guide of the bracket. Attach
speculum by rotating in anti-clockwise direction.
14.3. Swivel lens for enlargement
The operating otoscope comprises a small magnifying lens to be swivelled at an
angle of 360° for a maximum enlargement of approx. 2.5 x.
14.4. Insertion of external instruments into the ear
The operation otoscope is designed to be open so that external instruments can
be inserted into the animal ear.
14.5. Technical data of the lamp
Operating otoscope HL 2.5 V 2.5 V 680 mA
Operating otoscope XL 3.5 V
15. Operation otoscope for human medicine
15.1. Purpose / indication
The Riester operation otoscope described in these Operating Instructions is
produced for illumination and examination of the auditory canal and for inserti-
on of external instruments into the auditory canal.
15.2. Placing and removing ear specula for human medicine
Place the desired speculum on the black holder on the surgical scope so that
the notch on the speculum fits into the guide in the holder. Fasten the speculum
by turning it clockwise.
15.3. Swivel magnifying lens for enlarging
There is a small 360 ° swivel magnifying lens on the surgical oscilloscope with
a magnification power of about 2.5 times.
15.4. Insertion of external instruments into the ear
The operating otoscope is designed so that external instruments can be inser-
ted into the ear.
15.5. Technical data of the lamp
Operating otoscope HL 2.5 V 2.5 V 680 mA
Operating otoscope XL 3.5 V
16. Replacing the lamp
Otoscope L1
Remove the speculum receptacle from the otoscope. Unscrew the lamp counter
clockwise. Tighten the new lamp clockwise and reattach the speculum recep-
tacle.
16.1. Otoscopes L2, L3, ri-derma, lamp holder, nasal speculum and depres-
sor holder
Remove the instrument head from the battery handle. The lamp is located at
the bottom of the instrument head. Pull the lamp out of the instrument head
using your thumb and forefinger or a suitable tool. Insert the new lamp firmly.
16.2. Ophthalmoscopes
Remove the instrument head from the battery handle. The lamp is located at
the bottom of the instrument head. Remove the lamp from the instrument head
using your thumb and forefinger or a suitable tool. Insert the new lamp firmly.
CAUTION:
The pin of the lamp must be inserted into the guide groove on the ophthalmos-
cope's instrument head.
17. Care instructions
17.1. General note
The cleaning and disinfecting of the medical devices serve to protect the patient,
the user and third parties and to maintain the value of the medical devices.
Due to the product design and the materials used, there is no defined upper
limit on feasible reprocessing cycles. The service life of medical devices is de-
termined by their function and careful handling.
Defective products must have completed the entire reprocessing procedure be-
fore being returned for repair.
17.2. Cleaning and disinfecting
The instrument heads and handles can be cleaned externally with a damp cloth
until visual cleanliness is achieved.
Wipe with disinfectant according to the instructions of the disinfectant manufac-
turer. Only cleaning agents with proven efficacy should be used under conside-
ration of national requirements.
After disinfecting, wipe the instrument with a damp cloth to remove possible
disinfectant residue.
The contact plates (ri-derma) can be rubbed off with alcohol or a suitable di-
sinfectant.
ave. life 20 h
3.5 V 700 mA
ave. life 20 h
ave. life 40 h
3.5 V 700 mA
ave. life 40 h
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