fore bears no CE mark. It can be used for illumination and examination of the
auditory canal, as well as for minor operations in the auditory canal.
11.2. 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.
11.3. 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. 2.5X.
11.4. 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.
11.5 Technical data of the lamp
Operating otoscope HL 2.5 V
Operating otoscope XL 3.5 V
12. Operation otoscope for human medicine
12.1. Purpose
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.
12.2 Attachment and removal of ear specula for human medicine
Place the desired speculum onto the black holder of the operation otoscope so
that the recess on the speculum fits into the guide of the holder. Fix the specu-
lum by turning it in a counter-clockwise direction.
12.3 Swivel lens for magnification
There is a small magnification lens which can be swivelled 360° on the operati-
on otoscope with approx. 2.5-fold magnification.
12.4. Insertion of external instruments into the ear
The operation otoscope is designed so that external instruments can be inser-
ted into the ear.
12.5 Technical data of the lamp
Operating otoscope HL 2.5 V
Operating otoscope XL 3.5 V
13. Replacing the lamp
L1 otoscope
Remove the specula fitting from the otoscope. Screw out the lamp counter
clockwise. Screw in the new lamp clockwise and replace the specula fitting.
L2, L3 otoscopes, ri-derma
blade holder
Screw the instrument head off the battery 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.
Ophthalmoscopes
Remove the instrument head from the battery holder. 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.
Veterinary/human operation otoscope
Screw the lamp out of the fixture in the operation otoscope and screw in a new
lamp.
14. Instructions for care
General information
Cleaning and disinfection of the medical devices serves to protect the patient,
the user and third parties and to preserve the value of the medical devices.
Due to the product design and the materials used, no defined limit can be spe-
cified for the maximum number of reprocessing cycles that can be carried out.
The life span of the medical devices is determined by their function and by gent-
le handling of the devices.
Defective products must undergo the reprocessing procedure described before
being returned for repair.
Cleaning and disinfection
The instrument heads and handles can be cleaned externally with a moist cloth
until visually clean. Wipe-disinfection as specified by the disinfectant manufac-
turer. Only disinfectants with proven efficacy should be used, taking into account
the national requirements.
After disinfection, wipe the instrument down with a moist cloth to remove pos-
sible disinfectant residues.
The components that come into contact with the skin (ri-derma
20
2.5 V 680 mA
3.5 V 700 mA
2.5 V 680 mA
3.5 V 700 mA
®
, bent-arm illuminator, nasal speculum and
mean life span 20h
mean life span 20h
mean life span 20h
mean life span 20h
®
) can be rub-