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To create the current prototype, an engineering analysis was performed on the equation models from the 'How It Works' section to optimize deflection and sound transmission. The main variables analyzed were 'arm' length, width and thickness to optimize deflection and surface area of diaphragm circle and thickness of coating to optimize sound transmission loss (STL).
Engineering Analysis
Engineering Analysis
Prototype (Current Revision)
Prototype (Current Revision)
A) PDMS valves, multiple configurations with varying thicknesses and arm widths. B) Rigid bodies used to secure valves. C) Assembled current prototype device.
Technical Drawings
Technical Drawings
Manufacturing
Manufacturing
Raw Component List for To Scale:
Raw Component List for To Scale:
Nitinol stent
Altered ACCLARENT AERA® delivery method
Rigid Body (Polypropylene)
Valve (10:1 PDMS with Au Coating)
Manufacturing Processes for In-House Components:
Manufacturing Processes for In-House Components:
Rigid Body: Injection molded
Valve: Pour mold, degas mold, cure PDMS at 60°C for 1 hour, and use chemical vapor deposition to apply Au coating.
Manufacturing Processes for Assembly:
Manufacturing Processes for Assembly:
Snap 2 rigid body pieces around the valve tabs.
Glue rigid body to stent with hydroxyapatite.
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