Shwaas Spirometer

by Lattice Innovations
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Shwaas is a Bluetooth-enabled spirometer that brings together the ease of use of a handheld spirometer with the data logging capabilities of an Android smartphone. Shwaas is palm-sized device with a built-in LCD display for immediate access to test data. Flow and volume related parameters are measured and transmitted to any Android smartphone via a built-in Bluetooth module. The Shwaas app allows data download in PDF and CSV (excel-readable) formats. The device measures exhaled (expiratory) air flow using a rotary turbine. The number of rotations of the turbine is proportional to the volume of air, and the frequency of rotation is proportional to the flow rate. Based on these principles, infrared (IR) sensors are used to translate movement of the turbines to flow rate and air volume. Shwaas assesses all major flow and volume related respiratory parameters.

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