# US 10,244,858 B2 · Vibrating brush assembly for personal hygiene device

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- Number: US 10,244,858 B2
- Document ID: US10244858B2
- Status: Granted
- Kind: B2
- Application number: 15/451,641
- Filed: 2017-03-07
- Published: 2018-09-13
- Granted: 2019-04-02
- Earliest claimed: 2017-03-07
- Assignees: BZL Medical Ltd.
- Applicants: BZL Medical Ltd.
- Inventors: BenZion Levi; Sefi Shachrur
- Web page: https://patentgrep.com/patent/US10244858B2

## CPC

- A46B 13/023: {with means for inducing vibration to the bristles}
- A46B 15/0022: {with an electrical means}
- A46B 15/0036: {with a lighting means, e.g. laser, bulb (A46B15/0034 takes precedence)}
- A46B 15/004: {with an acoustic signalling means, e.g. noise}
- A46B 9/04: {Arranged like in or} for toothbrushes
- A61C 17/3481: {Vibrating brush body, e.g. by using eccentric weights}
- A46B: BRUSHES (handles not integral with brushware B25G)
- A61C: DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE (non-driven toothbrushes A46B; {tongue scrapers A61B17/24;} preparations for dentistry A61K6/00; preparations for cleaning the teeth or mouth A61K8/00, A61Q11/00)

## Abstract

A personal hygiene device includes a vibrator housed in a handle. A shaft is coupled to the vibrator and extends from the vibrator to a brush head. The shaft is electrically conducting and includes one or more proximal electrical contacts in electrical contact with an electrical source and one or more distal electrical contacts in electrical contact with one or more electrical elements located in the brush head. The shaft is configured to transfer vibrational energy created by the vibrator to the brush head to vibrate the brush head.

## Claims

### Claim 1

A personal hygiene device comprising:
a vibrator housed in a handle; and
a shaft coupled to said vibrator that extends from said vibrator to a brush head, said shaft being electrically conducting and comprising one or more proximal electrical contacts in electrical contact with an electrical source and one or more distal electrical contacts in electrical contact with one or more electrical elements located in said brush head, and wherein said shaft is configured to transfer vibrational energy created by said vibrator to said brush head to vibrate said brush head, and wherein said shaft comprises a first conductive sleeve electrically insulated from an inner portion of said shaft by an insulative sleeve.

### Claim 2 (depends on 1)

The personal hygiene device according to claim 1, wherein said shaft is rigid.

### Claim 3 (depends on 1)

The personal hygiene device according to claim 1, wherein said shaft is flexible.

### Claim 4 (depends on 1)

The personal hygiene device according to claim 1, wherein said one or more electrical elements comprise one or more electrodes.

### Claim 5 (depends on 1)

The personal hygiene device according to claim 1, wherein said one or more electrical elements comprise one or more RF electrodes.

### Claim 6 (depends on 1)

The personal hygiene device according to claim 1, wherein said shaft transfers vibrational energy to said brush head in one-to-one correspondence with vibrations created by said vibrator.

### Claim 7 (depends on 1)

The personal hygiene device according to claim 1, wherein said shaft modifies vibrational energy created by said vibrator.

### Claim 8 (depends on 1)

The personal hygiene device according to claim 1, comprising an additional outer conductive sleeve which is electrically insulated from said first conductive sleeve by an additional insulative sleeve.

### Claim 9 (depends on 1)

The personal hygiene device according to claim 1, wherein said shaft is assembled to said brush head with a snug fit.

### Claim 10 (depends on 1)

The personal hygiene device according to claim 1, wherein said shaft is assembled to said brush head with a snap fit.