DI 090320-230-I : Coolstar 3.0 Air stimulator, 230V - 50Hz
DI 090320-230-I : Coolstar 3.0 Air stimulator, 230V - 50Hz, programmable, with otoscope head
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The caloric stimulator
The Coolstar air caloric stimulator is a medical device manufactured in Belgium by Instrumentation Difra SA. The air caloric stimulator is a device that delivers a stream of air to the ear canal at controlled rates of flow and temperature and that is intended for vestibular function testing of a patient's body balance system. The vestibular stimulation of the semicircular canals produce involuntary eye movements.
The Coolstar offers lots of possibilities for caloric testing: easy to use, high precision temperature regulation and unique cooling possibilities. The handle is equipped with an otoscope head where a disposable ear tip can be fixed for easy management of hygiene. The otoscope handle provides also a magnifying glass and integrated light to inspect the ear canal and the tympanic membrane without obstructing the stimulation. Coolstar is ideal when water can not be used for stimulation (tympanic membrane perforation, …), when water inlet and outlet are not available in the examination room and when ambiant room temperature exceeds 22°C.
Setting up the temperature
Temperature is selected by a simple rotary switch, each of its four positions allowing a temperature preset configurable. Each temperature can be adjusted from 10°C up to 49,8°C, by 0,2°C step. By default, values are 20°C, 30°C, 44°C and 47°C. Temperature is reached within 180s from startup or from any other temperature. A large display indicates the actual temperature.
Setting up the stimulation time
An internal chronometer offers through a second rotary switch the possibility to select the stimulation time. Five stimulation times are available: 40, 60, 80, 100 and 120s from a simple rotation of the switch. Visual indications on the display and sound indications will help the examiner to run the caloric testing easily and precisely. Over the stimulation period, the reaction period and the fixation period will be delimited by those visual and sound indications.
Input voltage: 115V/60Hz-230V/50Hz (following device)
Cool and warm air caloric stimulator
Minimal temperature reachable: 10°C with water temperature in glass jar below 50°C
Maximal temperature reachable: 49,8°C
Temperature stability : +/- 0.3°C
Air flow: fixed, from 8 to 10l/min, without ear tip
Size: 310 x 455 x 115 mm (W x P x H)
Coolstar meets EN 60601-1 and European Directive 93/42/EEC and is certified by SGS Belgium NV, Notified Body 1639
Ver. 1.1 - Oct. 2019
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