MasterScreen IOS - Follow the Impulse

High-End Impulse Oscillometry Early diagnosis and screening require an objective and sensitive method that is easily performed, and is independent of patient cooperation. MasterScreen IOS allows you to determine Respiratory Impedance without any technical expenditure and provides precise results for differential diagnosis, even outside hospital or practice. The system is especially suited for use in paediatrics, geriatrics and occupational medicine because a few normal breaths are required for a complete test. The automatic interpretation on the basis of a graphic lung model sets a new standard in diagnosis.

• Low-cost determination of Respiratory Impedance by Impulse Oscillometry


• Differentiation between proximal and distal obstruction


• Graphic model-based interpretation


• Flow-Volume measurement


• Sensitive determination of bronchial hyperreactivity


• Especially suited for paediatric applications

Precise Differentiation of Breathing Mechanics MasterScreen IOS differentiates between proximal and distal components of the respiratory tract. This important feature allows early detection of pathological impairments of the so-called small airways. Additionally, the effect of drugs or medication in different sites of the lung can be determined.

Flexible and Portable

The Principle of Impulse Oscillometry is Easy and is Safe A characteristic feature of Impulse Oscillometry is that pulmonary impedance is not derived from the respiratory signals but from the pressure-flow relationship of artificial impulse-shaped test signals which are produced by an external generator. These artificial signals are superimposed on the respiratory tidal breathing waveform of the patient in the Y-adapter while the patient simply inhales ambient air via mouthpiece, pneumotach and terminating resistance (< 0.1 kPa/l/s). The advantage of artificial test signals is the incomparably higher frequency contents with a relatively high consistency as far as frequency range and amplitude are concerned, so that a thorough differentiation of pulmonary function is possible.

It's JAEGER means it's modular expandible Anterior Rhinomanometry: The Rhino option can determine nasal resistance for the right and left nostril separately. The IOS head expands with a rhino mask adapter, allowing for precise, complete measurement of nasal resistance according to both conventional Rhinomanometry and oscillatory technique . A tip adapter is included to perform relative measurements during nasal provocation.

Bedside A flexible tube is attached so that the IOS head can be moved and measurements can be performed independent of body position. This option is especially suited for patients in supine position.

APS Add an APS nebuliser head adapter to the IOS to perform provocation measurements. The precise APS system provides a stable nebuliser performance, precise dosage and optimal drug absorption with phase-controlled inhalation. A flexible observation program controls the test sequence and supports trend control and assessment.

Special Masks for Children Lung function measurements in children aged 2 to 4 years are especially difficult as the little patients are often not able to close their lips firmly around a standard mouthpiece. Noseclips are often not accepted. The special masks for children with integrated mouthpiece are available in different sizes and allow for a precise measurement in children.