Acoustic fluid and earplug

Systems and methods for occluding a duct and attenuating sound may be provided. In some embodiments, a device for attenuating sound passing through a duct or orifice may include a body sized and shaped to be inserted, at least partially, into a duct or orifice. The body may have an interior volume t...

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Bibliographische Detailangaben
1. Verfasser:	Ramsey, Marc C
Format:	Patent
Sprache:	eng
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PHYSICS PROSTHESES SOUND-PRODUCING DEVICES TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	Systems and methods for occluding a duct and attenuating sound may be provided. In some embodiments, a device for attenuating sound passing through a duct or orifice may include a body sized and shaped to be inserted, at least partially, into a duct or orifice. The body may have an interior volume that contains a fluid suspension. In some embodiments, the fluid suspension may include a plurality of gas-filled spheres dispersed in an interstitial fluid. The gas-filled spheres may increase an acoustic attenuation of the fluid suspension relative to the interstitial fluid alone.