Toothbrush for prevention treatment of tooth sensitivity and method therefor

• US 7,213,995 B2
• Filed: 12/15/2003
• Issued: 05/08/2007
• Est. Priority Date: 12/15/2003
• Status: Expired due to Fees

• Current Assignee: Michael Bravo-Loubriel
• Original Assignee: Michael Bravo-Loubriel
• Inventors: Bravo-Loubriel, Michael
• Primary Examiner(s): Walczak; David J.
• Application Number:
  US10/737,145
• Publication Number:
  US 20050129453A1
• Time in Patent Office: 1,240 Days
• Field of Search: 401/188.R, 401/268, 401/282, 401/6, 401/194, 401/270, 15/24, 15/29
• US Class Current: 401/188.00R
• CPC Class Codes: A46B 11/002 pressurised at moment of use manually or by powered means
• CPC Class Codes: A46B 2200/1066 Toothbrush for cleaning the teeth or dentures A61C17/16 takes precedence; bristles arrangements for toothbrushes A46B9/04
• CPC Class Codes: A46B 5/0091 promoting relative motion during use bristle carriers moving during use A46B7/06; driven brush bodies A46B13/00
• CPC Class Codes: A46B 9/026 where the surface of the brush body or carrier is not in one plane, e.g. not flat A46B9/005 takes precedence
• CPC Class Codes: A61C 17/28 with rinsing means
• CPC Class Codes: A61C 17/36 with rinsing means

Abstract

A toothbrush for the treatment of tooth sensitivity is disclosed. The toothbrush disclosed herein incorporates the use of disposable desensitizing agent cartridges thru a pump mechanism.

Claims

1. A toothbrush for the prevention and treatment of tooth sensitivity, comprising:

a) main cylinder having a tube attached to one of the extremes of the said cylinder;

b) a head attached to the extreme of the said tube and located substantially in at the opposite side wherein the cylinder is attached to the said tube;

c) a manual color-code lever having a first colored side and a second colored side attached to the said tube;

d) at least two bristle groups, one in the upper side of the said head and other in the lower side of the said head;

wherein the upper bristle group has first inner bristles and first outer bristle and wherein the lower bristle group has a second inner bristles and second outer bristles;

wherein the said upper bristles are shorter in length than the said lower bristles and;

wherein said first outer bristles are shorter in length than the said first inner bristles and;

wherein said second outer bristles are shorter in length than said second inner bristles and;

wherein the said head comprises a desensitizing agent outlet and said main cylinder contains a disposable desensitizing agent cartridge.

2. The toothbrush of claim 1, wherein the said tube further comprises a drive shaft for rotating said lower and upper bristles.

3. The toothbrush of claim 2, wherein said desensitizing agent is selected from the group consisting of potassium nitrate and/or fluoride salts.

4. The toothbrush of claim 3, wherein the said main cylinder further comprises an electric motor to power the said shaft, a first access cover for the insertion of the said cartridge, a battery housing having a second access cover to provide power to the electric motor, operational buttons, for turning toothbrush on and off and for desensitizing agent application, return piping for desensitizing agent, and dispensing piping for desensitizing agent.

5. A method for preventing and treating tooth sensitivity by brushing teeth using the toothbrush of claim 1 comprising the steps of:

a) brushing on one side of the mouth, while the first colored side of the lever points up while the second colored side points down, whereby by pressing the first colored side, the upper teeth will be brushed at 45 degrees angle, and by pressing the second colored side, the lower teeth will be brushed at 45 degrees angle;

(b) brushing the cheek area of the said mouth side of (a) and the opposite tongue area of the said selected mouth side;

(c) brushing the opposite side of the mouth of the selected side in step (a);

while keeping the second colored side of the lever pointing up and the first colored side pointing down;

(d) brushing the upper teeth at a 45 degrees angle while keeping the second colored side pointing up and the first colored side pointing down;

brushing the lower teeth at an angle of 45 degrees while keeping the first colored side pointing up and the second colored side down;

(e) brushing the cheek area of the same mouth side of (c) and the opposite tongue area of the said selected mouth side.

6. The method of claim 5, wherein the side of the mouth in step (a) is the left side and the side of the mouth in step (c) is the right side.

7. The method of claim 5, wherein the side of the mouth in step (a) is the right side and the side of the mouth in step (c) is the left side.