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US 10,369,408 B2Granted
Air resistance device
AssigneeHalcyon Research, Inc.
InventorsDana Kesslen Keller, Mary Lou Casadevall-Keller
Life of this patent
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Abstract
An attachment for a harmonica or a pulmonary harmonica may include a resistance band or modified comb which increases respiratory resistance from the typical open holes of harmonicas. The resistance band or modified comb may prevent a broken reed from being inhaled into the mouth.
Claims15
A pulmonary harmonica device for promoting deep abdominal breathing by a user and for producing a sound comprising:
- an outer housing;
- a comb having a mouthpiece portion and one or more holes;
- one or more reed plates;
- a plurality of reeds, located on the reed plates;
- fastening hardware for securing the reeds, the reed plates, the comb, and the cover plates together;
- and
- a breathing resistance device having at least one resistance pattern fitting inside each of the one or more holes of the comb for providing resistance to air flow through the holes.
4 more elements
Dependencies are inferred from the claim text.