Patent for Sale:Metered Dose Inhaler (MDI) Spacer
Compared to available MDI inhaler spacers, this unique spacer provides:
- Less drug loss on spacer walls,
- More drug deep into lungs
- Easier inhalation
Primary Application of the Technology
How the Technology Solves the Problem
The conical shape of this spacer is combined with air slits to generate an air cushion that keeps drug aerosols off of the spacer walls. Mixing outside air with the dispensed spray inside the spacer slows the flow of drug, allowing more time for evaporation and reducing the size of droplets. Introducing outside air also makes inhalation easier for breathing impaired patients by reducing resistance.
A unique one-way valve, modeled after the tricuspid valve in the heart, opens more easily than other valves during inhalation and closes completely during exhalation. This helps breathing impaired patients to get more dispensed drug deep into the lungs and to hold the drug there longer before exhaling.
Class 128: Surgery
Methods of treatment of the living body and apparatus used in the inspection and treatment of diseases, wounds, and other abnormal conditions of the bodies of humans and lower animals. This class includes methods and means for manufacturing surgical appliances which are not classifiable in other classes.Subclass 200.22: Gas flow induced by expansion chamber device (e.g., piston/cylinder ram, squeeze bulb, etc.)
Subclass 200.23: Pre-pressurized container holding medicament
Subclass 203.15: Particulate treating agent carried by breathed gas