The FISST is a device that keeps the two main nerves that are responsible for hiccups busy, eliminating the phenomenon
Mouthpiece
Body
Removable cap, with a tab that switches between adult or child
Pressure
valve
The enhanced suction required to draw water up through the device requires the diaphragm to contract, activating the phrenic nerve, while the vagus nerve is activated to close the epiglottis while swallowing
The FISST is a device that keeps the two main nerves that are responsible for hiccups busy, eliminating the phenomenon
Mouthpiece
The enhanced suction required to draw water up through the device requires the diaphragm to contract, activating the phrenic nerve, while the vagus nerve is activated to close the epiglottis while swallowing
Body
Removable cap, with a tab that switches between adult or child
Pressure
valve