# US 2024/0188973 A1 · Noise dampening device for medical and non-medical acoustic waves applications

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- Number: US 2024/0188973 A1
- Document ID: US20240188973A1
- Status: Published application
- Kind: A1
- Application number: 18/063,140
- Filed: 2022-12-08
- Published: 2024-06-13
- Earliest claimed: 2022-12-08
- Assignees: Sanuwave, Inc.
- Applicants: Sanuwave, Inc.
- Inventors: Iulian Cioanta; Cary McGhin; John Jackson
- Web page: https://patentgrep.com/patent/US20240188973A1

## CPC

- A61B 17/22004: {using mechanical vibrations, e.g. ultrasonic shock waves (A61B17/225 takes precedence)}
- A61B 17/2251: {characterised by coupling elements between the apparatus, e.g. shock wave apparatus or locating means, and the patient, e.g. details of bags, pressure control of bag on patient}
- G10K 11/002: {Devices for damping, suppressing, obstructing or conducting sound in acoustic devices (G10K1/06 - G10K1/10 take precedence; for electro-mechanical transducers for communication H04R3/002)}
- G10K 11/04: Acoustic filters {; Acoustic resonators}
- G10K 11/175: using interference effects; Masking sound
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- G10K: SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR

## Abstract

An acoustic wave applicator for medical and non-medical application of acoustic waves, including shockwave applications, couples to a sound dampening device that reduces noise produced by an acoustic wave source that is sealed with fluid in the applicator by an applicator membrane.

## Claims

### Claim 1

An acoustic wave noise dampening device comprising an annular shape and having an upper opening configured to receive at least a top portion of an acoustic wave applicator membrane and further configured to reduce acoustic wave noise.

### Claim 2 (depends on 1)

The acoustic wave noise dampening device of claim 1, further comprising a plurality of additional openings apart from the upper opening configured to receive at least a top portion of an acoustic wave applicator membrane.

### Claim 3 (depends on 2)

The acoustic wave noise dampening device of claim 2, wherein the plurality of additional openings includes a plurality of upper openings and a plurality of lower openings.

### Claim 4 (depends on 3)

The acoustic wave noise dampening device of claim 3, further comprising a plurality of channels.

### Claim 5 (depends on 4)

The acoustic wave noise dampening device of claim 4, further comprising a plurality of spiral channels.

### Claim 6 (depends on 5)

The acoustic wave noise dampening device of claim 5, wherein one or more channels of the plurality of spiral channels include an external conical surface and an internal conical surface.

### Claim 7 (depends on 1)

The acoustic wave noise dampening device of claim 1, further comprising a plurality of channels.

### Claim 8 (depends on 7)

The acoustic wave noise dampening device of claim 7, further comprising a plurality of spiral channels.

### Claim 9 (depends on 8)

The acoustic wave noise dampening device of claim 8, wherein one or more channels of the plurality of spiral channels include an external conical surface and an internal conical surface.

### Claim 10

An apparatus comprising an acoustic wave source and fluid sealed within an applicator membrane and a noise dampening element surrounding at least a portion of the applicator membrane.

### Claim 11 (depends on 10)

The apparatus of claim 10, wherein a top portion of the applicator membrane exits from a top portion of the noise dampening element.

### Claim 12 (depends on 11)

The apparatus of claim 11, wherein the acoustic wave source and fluid are sealed by the applicator membrane in a reflector cavity.

### Claim 13 (depends on 10)

The apparatus of claim 10, wherein the acoustic wave source and fluid are sealed by the applicator membrane in a reflector cavity.

### Claim 14 (depends on 13)

The apparatus of claim 13, wherein the noise dampening element includes a plurality of openings.

### Claim 15 (depends on 14)

The apparatus of claim 14, wherein the noise dampening element includes a plurality of upper openings and a plurality of lower openings.

### Claim 16 (depends on 15)

The apparatus of claim 15, wherein the noise dampening element includes a plurality of channels.

### Claim 17 (depends on 16)

The apparatus of claim 16, wherein the plurality of channels are spiral channels.

### Claim 18 (depends on 17)

The apparatus of claim 17, wherein one or more channels of the plurality of channels include an external conical surface and an internal conical surface.

### Claim 19 (depends on 10)

The apparatus of claim 10, wherein the noise dampening element includes one or more channels.

### Claim 20 (depends on 19)

The apparatus of claim 19, wherein at least one of the one or more channels includes a fluid.