Portable Negative Pressure Ventilation Device
Johns Hopkins University, 2008 - $17,562
Negative Pressure Ventilation (NPV) is the mechanism by which bodies breath naturally; air passively flows into the lungs due to the negative pressure of the diaphragm movement. This team's idea is to address the problem of increased mortality due to the detrimental effects of Positive Pressure Ventilation (PPV), when paramedics manually force air into the lungs using a bag valve mask. PPV can lead to longer hospital discharge times.
The team developed a prototype that electronically stimulates the phrenic nerve in the neck, forcing the diaphragm to take in air. Their prototype includes a neck electrode patch to deliver pulses to the phrenic nerve, a feedback system to determine if the patient is breathing, a stimulation unit that is battery powered and rechargeable, and software for a tablet PC to control the stimulation and the breathing rate.
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