Optimizing contact force for aerosol delivery

AU2025232602A1Pending Publication Date: 2026-09-10PNEUMA RESPIRATORY INC
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Patent Information

Application Number
AU2025232602
Authority / Receiving Office
AU · AU
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-09-30
Filing Date
2025-03-04
Publication Date
2026-09-10

AI Technical Summary

Technical Problem

Current droplet delivery devices for respiratory systems face challenges in delivering accurate, consistent, and verifiable amounts of substances with suitable droplet sizes, often resulting in high momentum droplets that miss targeted locations and cause surface deposition and toxic byproduct formation.

Method used

An aerosol delivery device incorporating a piezoelectric transducer and ejector plate mechanism, with spring forces and membrane designs to optimize contact force, ensuring efficient droplet ejection and minimizing surface deposition.

Benefits of technology

The device achieves consistent and reproducible droplet delivery with improved ejection efficiency, reducing surface deposition and toxic byproducts, while extending the lifespan of components.

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Abstract

An aerosol delivery device includes a piezoelectric transducer that is indirectly coupled to an ejector plate, such as by a membrane between the transducer and ejector plate. A spring force is applied between the ejector plate and transducer in different configurations by a suspension gasket, a compression spring, or flat spring. The spring force optimizes the production and ejection of droplets from fluid supplied to the ejector plate when the transducer vibrates to produce aerosol from the device.
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