An epiphany at a rock concert helped a sick man invent a device to help himself breathe easier

Louis Plante was born with cystic fibrosis, a genetic disease that causes his lungs to clog up, because his mucus is thicker and stickier than the mucus produced in healthy lungs.

To clear their lungs of mucus so they can breathe, many people with cystic fibrosis do a type of physical therapy that involves someone thumping or clapping on their chests for 20 to 40 minutes multiple times per day. At one point, Plante needed four hours of this therapy every day.

But after going to a rock concert where he sat close to a large speaker and coughed so much he had to leave early, Plante got the idea to build a device that would replicate the speaker's mucus-clearing effects with low-frequency sound waves.

Plante developed what is now called the Frequencer, an FDA-approved device that clears mucus from the lungs as effectively and more gently than the traditional clapping therapy does.

It works like this: the Frequencer emits sound waves through a circular attachment held to the patient's chest.

Those sound waves make the chest vibrate and knock mucus loose - which achieves the goal of the clapping physical therapy, but without the chest-thumping.

Plante's device recently won an award from Patient Innovation, a special project of Católica-Lisbon School of Business and Economics in Portugal that provides a platform for patients and caregivers to share their creative ways of dealing with their conditions.

Thanks to his rock concert epiphany, Plante came up with a solution that could help thousands of other people with cystic fibrosis breathe easier.

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