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Operating
SigmaOtoscopeshouldonlybeinsertedintotheauditorycanalwhenaeartipistted.Place
theeartipontheotoscopeinsuchawaytheprojectioninsidetheeartiptsintotheslit(Fig-
4,1) and tighten the ear tip by twisting it slightly to the right.
Do not use otoscope without ear tip that may cause ear injury and / or cross
contamination.
Do not reuse disposable ear tip that may result in contamination from one patient
to another patient.
Do not point light in patient eyes that may cause eye injury.
Do not use excess force while locking the ear tip on head.
Magnifying Lens
SigmaOtoscopehas3xmagnicationthatproducesdistortion-freeimagesoftheexamined
object.Themagnicationviewingwindowispermanentlyattachedandcanbeswivelledaside
for instrumentation. To facilitate the instrumentation rotate the viewing window clockwise as
much as required (Fig-5).
Peel o the lens protective sheet before use (Fig-5)
Sigma LED otoscope model
TheLEDxedandsealedintotheotoscopeheadandcannotbechangedbecauseofits
long life.
LED has 50,000 hours of extended lifetime.
Ensure no replacement of LED ever in the lifetime of the instrument.
Excellentlightoutputof85KLUX.
Extended battery life of 50 HOURS due to low current consumption of LED.
With a colour temperature of 5500K and CRI>80 colours are visible as they are.
Ear Tip
Ear tip is used in otoscope as viewing passage for direct examination of the external acoustic
duct and tympanic membrane.
ChoosethesizeofEartipsuitablefortheexaminationoftheacousticduct.
Insuation Port (optional)
Sigma Otoscope have a connection port to facilitate the tympanic mobility test (Fig-7).
This can be carried out when the viewing window is closed by using optionally available
insuationbulbandadaptor.
Dose the pressure carefully with the insuation bulb.
Cleaning / Sterilization and Maintenance
The Sigma F.O. Pocket otoscope is not suitable for treatment in the ultrasonic bath, for
sterilization,spraydisinfectionortreatmentbyimmersioninliquids.
Manual Cleaning Process
Use a damp cloth for cleaning the Sigma pocket otoscope.
For cleaning and disinfection, a disinfectant agent suitable for plastic medical products must
be used.
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