Today’s Patent – Device For Delivering Gas

The said invention (US11975150B1) was invented by David Luo and patented by USPTO on May 26^th, 2023. Currently, it stands assigned to the DCstar Inc.

The disclosed gas delivery device, designed for treating obstructive sleep apnea, includes a frame, nasal mask, detachable and rotatable gas delivery hose, and a noise reduction component with a ventilation port and muffler. The muffler has dual breathable surfaces connected by multiple channels to quietly discharge exhaled gases like CO₂, reducing turbulence and noise below 30 dB. Its modular design enhances hygiene, simplifies cleaning, extends component life, and allows easy replacement. The muffler’s material and structure effectively maintain therapy pressure and prevent CO₂ re-inhalation, improving user comfort and sleep quality during ventilation therapy.