the thumb. In this adjustment, the position of the shank of the
speculum cannot be changed.
b) Individual retraction
Turn the adjusting screw in a clockwise direction until you obtain
the desired speculum opening. The shanks close again when the
screw is turned in a counter-clockwise direction
3. Swivel lens
A swivel lens with an approx. 2.5-fold magnification is to be found
on the nasal speculum, which can be simply removed or replaced
again in the opening provided in the nasal speculum.
ri-scope
®
F.O. tongue blade holder
1. Intended use
The tongue blade holder described in these instructions for use
was manufactured for the examination of the mouth and throat
in combination with commercially available wooden and plastic
blades.
2. Function
Insert a commercially available wooden or plastic tongue blade
through the opening below the light outlet until it stops. After
the examination, the blade can be easily removed by pushing the
ejector.
®
ri-scope
human operations otoscope without speculum
1. Intended use
The Riester operation otoscope described in these instructions
for use was manufactured for the 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 human medicine
Place the desired speculum onto the black holder of the ope-
ration otoscope so that the recess on the speculum fits into the
guide of the holder. Fix the speculum by turning it in a coun-
ter-clockwise direction.
3. Swivel lens for magnification
There is a small magnification lens which can be swivelled 360°
on the operation otoscope with approx. 2.5-fold magnification.
4. Insertion of external instruments into the ear
The operation otoscope has been designed so that external inst-
ruments can be inserted into the ear without a problem.
ri-scope
®
Veterinary operation otoscope without speculum
1. Intended use
The Riester operation otoscope described in these instructions
for use was manufactured solely for use in animals and thus for
veterinary medicine. It can be used for illumination and exami-
nation of the auditory canal as well as for small operations in the
auditory canal.
2. Attachment and removal of ear specula for
veterinary medicine
Place the desired speculum onto the black holder of the ope-
ration otoscope so that the recess on the speculum fits into the
guide of the holder. Fix the speculum by turning it in a coun-
ter-clockwise direction.
65