9
5. INSTRUMENT HEADS
All ADC
®
3.5v instrument heads are compatible with Riester and Welch
Allyn power handles equipped with bayonet style mount.
6. DIAGNOSTIX
®
OTOSCOPE
6.1. Purpose
The ADC
®
Diagnostix
TM
Otoscope described in these Operating
Instructions is produced for illumination and examination of the auditory
canal in combination with the ear specula. The ADC
®
Diagnostix
TM
Otoscopes are compatible with Riester, or Welch Allyn speculum.
6.2. Fitting and Removing Ear Specula
Screw the speculum clockwise until noticeable resistance is felt. To
remove the speculum, twist the speculum counter-clockwise.
6.3 Swivel Lens for Magnification
Standard Series:
The swivel lens (3x max.) is fixed to
the device and can be swiveled 360° (Fig. 3).
PMV Series:
The focusing wheel allows you to adjust
the focusing range. The adjustment wheel moves up
and down to focus the lens (Fig. 4).
6.4 Insertion of External Instruments into the Ear
Standard Series only:
If you wish to insert external
instruments into the ear (e.g. tweezers), you have to
rotate the swivel lens located on the otoscope head by
180°.
6.5 Pneumatic Test
To perform the pneumatic test (examination of the
eardrum), an insufflator is required to be connected (sold
separately (
#
5122N). The tube for the insufflator is
attached to the connector port on the right side of the
instrument head (Fig. 5). Now you can carefully insert the
necessary volume of air into the ear canal.
(Fig. 3)
(Fig. 4)
(Fig. 5)
