BRUEL & KJAER 4914 Instruction Manual page 7

Rhino-larynx stroboscope
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USES:
• Visual examination of the larynx, upper respira-
tory tract and sinuses
• Stroboscopic observation of the vocal cord mo-
tion in either slow motion or
"frozen"
in selected
positions
• Determination of natural frequency of the voice
• Control of vocal register function
• Diagnosis and control of treatment of voice disor-
ders and diseases of the vocal cords
• Objective determination of voice frequencies for
training singers, and evaluation of vocal cord vi-
bration patterns
• Evaluation of voice frequencies and vocal cord
motion during speech therapy
• Teaching and demonstrating to large audiences
by means of closed circuit television and/or vid-
eo-recordings
FEATURES:
• Very simple operation with pedal control of all
functions.
• Powerful stroboscopic and fixed light sources
provide excellent illumination for direct observa-
BP0378-11
type
4914
Rhino-Larynx Stroboscope
tion as well as colour video recordings, even
through flexible fibrescopes
• Stroboscopic observation of pathological voices
facilitated by the automatic tracking filter's ready
response
-
even to poor, noisy voices with short
phonation time. This is an essential requirement
in everyday clinical life
• Combined light-probe and mirror-holder for stan-
dard larynx mirrors
• Large self-explanatory symbol display providing
all relevant information to guide examination
procedure
• Pedal controlled observation of the laryngeal vi-
bratory phases
• Fast, powerful photo-flash synchronized by X-con-
tact on an ordinary camera
• Direct connection to standard rigid endoscopes
and flexible fibrescopes
• Possibility of connection to operation
microscopes
• Complies with Safety Class II of IEC Publication
601-1 (Type BF)
• Very robust stethoscope-type larynx microphone
which is insensitive to room noise
• Hygiene requirements easily met

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