CA2581679A1 - Oral care systems, oral care devices and methods of use - Google Patents

Oral care systems, oral care devices and methods of use Download PDF

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Publication number
CA2581679A1
CA2581679A1 CA002581679A CA2581679A CA2581679A1 CA 2581679 A1 CA2581679 A1 CA 2581679A1 CA 002581679 A CA002581679 A CA 002581679A CA 2581679 A CA2581679 A CA 2581679A CA 2581679 A1 CA2581679 A1 CA 2581679A1
Authority
CA
Canada
Prior art keywords
oral care
liquid
care device
air
nozzle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002581679A
Other languages
French (fr)
Other versions
CA2581679C (en
Inventor
Paul D. Goldman
Richard H. Cohen
Long Sheng Yu
Alexander T. Chenvainu
Eric France
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gillette Co LLC
Original Assignee
The Gillette Company
Paul D. Goldman
Richard H. Cohen
Long Sheng Yu
Alexander T. Chenvainu
Eric France
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by The Gillette Company, Paul D. Goldman, Richard H. Cohen, Long Sheng Yu, Alexander T. Chenvainu, Eric France filed Critical The Gillette Company
Priority to CA2729370A priority Critical patent/CA2729370A1/en
Publication of CA2581679A1 publication Critical patent/CA2581679A1/en
Application granted granted Critical
Publication of CA2581679C publication Critical patent/CA2581679C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/0061—Air and water supply systems; Valves specially adapted therefor
    • A61C1/0084—Supply units, e.g. reservoir arrangements, specially adapted pumps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/36—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor with rinsing means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/02—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
    • A61C17/028—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication with intermittent liquid flow

Abstract

Oral care devices are provided that are capable of ejecting an air-liquid combination. In some implementations, the oral care devices include an applicator including a passageway within the applicator for directing the air-liquid combination therethrough; a plurality of brushing elements extending from a base at a head of the applicator to free distal ends, the head being sized to fit in a user's mouth; and a flexible nozzle in communication with the passageway and extending outwardly beyond the base at the head, the flexible nozzle configured to direct liquid droplets of the air-liquid combination beyond free distal ends of the brushing elements during brushing.

Claims (110)

1. An oral care device capable of ejecting an air-liquid combination, the oral care device comprising:

an applicator including a passageway within the applicator for directing the air-liquid combination therethrough, a plurality of brushing elements extending from a base at a head of the applicator to free distal ends, the head being sized to fit in a user's mouth, and a nozzle, in communication with the passageway and extending outwardly from the base at the head, the nozzle having an elastomeric portion and being configured to direct liquid droplets of the air-liquid combination beyond free distal ends of the brushing elements during brushing.
2. The oral care device of claim 1, wherein the nozzle has an inner diameter of between about 0.2 and about 0.8 millimeters.
3. The oral care device of claim 2, wherein the nozzle has an inner diameter of about 0.5 millimeters.
4. The oral care device of claim 1, wherein the nozzle extends outwardly beyond the base to a height (H) of between about 0.1 millimeters and about 10 millimeters.
5. The oral care device of claim 4, wherein the nozzle extends outwardly beyond the base to a height (H) of about 5 millimeters.
6. The oral care device of claim 1, wherein the elastomeric portion comprises a material having a hardness of less than 80 Shore A.
7. The oral care device of claim 1, wherein liquid is ejected from the nozzle at a rate of between about 0 5 and about 6.0 milliliters per minute.
8. The oral care device of claim 7, wherein liquid is ejected from the nozzle at a rate between 2 5 and 4.0 milliliters per minute.
9. The oral care device of claim 1, in the form of a power toothbrush, wherein the head is movable about an axis of rotation.
10. The oral care device of claim 9, wherein the nozzle coextends along the axis of rotation.
11. The oral care device of claim 9, wherein the nozzle is offset from the axis of rotation.
12. The oral care device of claim 1, in the form of a manual toothbrush, wherein the head is stationary.
13. The oral care device of claim 12, wherein the nozzle is positioned at a toe of the oral care device.
14. The oral care device of claim 1, including a movable head portion and a stationary head portion.
15. The oral care device of claim 14, wherein the nozzle is positioned at the stationary head portion.
16. The oral care device of claim 14, wherein the nozzle is positioned at the movable head portion.
17. The oral care device of claim 1, further comprising a second nozzle positioned at the head.
18. The oral care device of claim 17, wherein the second nozzle extends outwardly beyond the base.
19. The oral care device of claim 17, wherein the second nozzle includes an elastomeric portion.
20. The oral care device of claim 1, wherein the nozzle is configured to be relatively imperceptible by the user while brushing.
21. An oral care system for home use by a consumer, the oral care system comprising:

a compressor for generating pressurized air;

a liquid supply configured to allow liquid to be introduced to the pressurized air to form an air-liquid combination, an applicator including a passageway within the applicator extending to an outlet at a head of the applicator for ejecting the air-liquid combination, the head being sized to fit within the consumer's mouth; and a plurality of brushing elements extending from a base at the head of the applicator;
wherein the compressor compresses the pressurized air within the passageway to between about five and about 25 pounds per square inch.
22. The oral care system of claim 21, further comprising a pump configured to introduce liquid to the pressurized air at a rate between about 0.5 and 20 milliliters per minute.
23. The oral care system of claim 22, wherein the pump introduces liquid to the pressurized air at a rate between about 0.5 and 6.0 milliliters per minute.
24. The oral care system of claim 23, wherein the pump introduces liquid to the pressurized air at a rate of about 2.5 and 4.0 milliliters per minute.
25. The oral care system of claim 21, further comprising a nozzle positioned at the head of the applicator and configured to eject the liquid droplets of the air-liquid combination beyond free distal ends of the brushing elements.
26. The oral care system of claim 25, wherein the nozzle extends outwardly beyond the base a height (H) of between about 0.1 millimeters and about 10 millimeters.
27. The oral care system of claim 26, wherein the nozzle extends outwardly beyond the base to a height (H) of about 5 millimeters.
28. The oral care system of claim 25, wherein the nozzle has an inner diameter of between about 0.2 and about 0.8 millimeters.
29. The oral care system of claim 28, wherein the nozzle has an inner diameter of about 0.5 millimeters.
30. The oral care system of claim 25, wherein the nozzle comprises an elastomeric material.
31. The oral care system of claim 30, wherein the elastomeric material comprises silicone.
32. The oral care system of claim 21, further comprising a docking station.
33. The oral care system of claim 32, wherein the docking station includes a housing portion, the housing portion containing the compressor and the pump.
34. The oral care system of claim 33, wherein a fluid conduit connects the applicator and the docking station, the fluid conduit providing communication between the docking station and the passageway of the applicator.
35. The oral care system of claim 32, wherein the docking station is configured to supply power and/or liquid to the oral care device, or a portion thereof.
36. The oral care system of claim 33, comprising a first housing passageway connected to the compressor for directing a pressurized air within the housing portion and a second housing passageway connected to a liquid reservoir for directing a liquid within the housing portion, the first and second housing passageways intersecting within the housing portion for combining the liquid and the pressurized air.
37. The oral care system of claim 32, comprising a first liquid reservoir housed by the docking station.
38. The oral care system of claim 37, wherein the first liquid reservoir is removably housed by the docking station.
39. The oral care system of claim 37, wherein the first liquid reservoir defines a relatively cylindrical chamber for holding a liquid.
40. The oral care system of claim 39, wherein the first liquid reservoir includes a plunger configured to adjust its position within the chamber in response to changing fluid level within the chamber.
41. The oral care system of claim 37, wherein the first liquid reservoir includes a one-way valve.
42. The oral care system of claim 37, wherein the first liquid reservoir is in the form of a bag.
43. The oral care system of claim 37, wherein the first liquid reservoir is disposable.
44. The oral care system of claim 37, wherein the first liquid reservoir is refillable.
45. The oral care system of claim 37, further comprising a second liquid reservoir.
46. The oral care system of claim 45, further comprising a pump configured to draw liquid from each of said first and second reservoirs and introduce the liquid to pressurized air.
47. The oral care system of claim 46, comprising first and second fluid passageways for directing liquid, respectively, from said first and second reservoirs.
48. The oral care system of claim 47, wherein said first liquid reservoir contains a first liquid and said second reservoir contains a second liquid different from the first liquid.
49. The oral care system of claim 48, wherein the first and second fluid passageways intersect within the housing for combining the liquids.
50. The oral care system of claim 49, wherein the first and second fluids are isolated from each other as they travel along respective fluid passageways.
51. The oral care system of claim 21, comprising an obstructing member configured to periodically impede movement of pressurized air traveling from the compressor to decrease a flow rate of liquid ejected from the outlet.
52. The oral care system of claim 30, wherein the elastomeric material has a hardness of less than 80 Shore A.
53. An oral care device capable of ejecting an air-liquid combination, the oral care device comprising.
an applicator including a passageway within the applicator for directing the air-liquid combination therethrough, a plurality of brushing elements extending from a base at a head of the applicator, the head being sized to fit within a user's mouth; and multiple nozzles extending from the base, at least one of the nozzles being in communication with the passageway for ejecting the air-liquid combination.
54. An oral care system capable of ejecting an air-liquid combination, the oral care system comprising:

an applicator including a passageway within the applicator for directing a pressurized air therethrough, and an obstructing member configured to interrupt the pressurized air within the passageway such that the air-liquid combination is ejected from the applicator as pulses.
55. The oral care system of claim 54, wherein the obstructing member is an impeller.
56. An oral care device capable of ejecting an air-liquid combination, the oral care device comprising:
an applicator including multiple passageways within the applicator, each of the multiple passageways arranged to direct a respective air-liquid combination to at least one outlet at a head of the applicator.
57. The oral care device of claim 56, comprising first and second air-liquid combinations, wherein the first air-liquid combination comprises a first liquid, and the second air-liquid combination comprises a second liquid.
58. The oral care device of claim 57, wherein the first and second liquids have different formulations.
59. The oral care device of claim 58, wherein the first and second liquids contain different actives.
60. The oral care device of claim 58, wherein the first and second liquids have different rheologies.
61. A method of oral care, the method comprising:
projecting liquid in the form of liquid droplets outwardly beyond free distal ends of brushing elements extending from a base at a head of an oral care device; while brushing with the brushing,elements.
62. The method of claim 61, wherein the step of projecting the air-liquid combination occurs while at least some of the brushing elements contact the user's teeth.
63. The method of claim 61, wherein the liquid is projected at a rate of between about 0.5 and about 6.0 milliliters per minute.
64. The method of claim 63, wherein the liquid is projected at a rate of about 15 and about 4.0 milliliters per minute.
65. The method of claim 61, wherein the liquid droplets are projected in an air-liquid combination.
66. The method of claim 65, further comprising pressurizing air using a compressor.
67. The method of claim 66, wherein the air is pressurized to between about five and about 25 pounds per square inch.
68. The method of claim 67, comprising drawing liquid from a liquid reservoir using the compressor.
69. The method of claim 68, wherein the compressor is a diaphragm compressor.
70. The method of claim 66, further comprising introducing liquid to the pressurized air using a pump.
71. The method of claim 70, wherein the pump introduces liquid to the pressurized air at a rate between about 0.5 and 20 milliliters per minute.
72. The method of claim 71, wherein the pump introduces liquid to the pressurized air at a rate between about 0.5 and 6.0 milliliters per minute.
73. The method of claim 72, wherein the pump introduces liquid to the pressurized air at a rate of about 2.5 and 4.0 milliliters per minute.
74. The method of claim 61, wherein projecting liquid in the form of liquid droplets outwardly beyond free distal ends of brushing elements includes ejecting the liquid from a nozzle positioned at the base.
75. The method of claim 74, wherein the nozzle comprises a flexible material.
76. The method of claim 75, wherein the material comprises silicone.
77. The method of claim 74, wherein the nozzle extends outwardly beyond the base a height (H) of between about 0.1 millimeters and about 10 millimeters.
78. The method of claim 77, wherein the nozzle extends outwardly beyond the base to a height (H) of about 5 millimeters.
79. An oral care device capable of ejecting an air-liquid combination, the oral care device comprising:
an applicator including a passageway within the applicator for directing the air-liquid combination therethrough, the applicator having a head portion sized to fit in a user's mouth;
within the applicator, a compressor for providing compressed air to the drive the air-liquid combination; and a nozzle having an elastomeric portion, in communication with the passageway and extending outwardly beyond the base at the head, the nozzle being configured to direct liquid droplets of the air-liquid combination beyond free distal ends of the brushing elements during brushing.
80. The oral care device of claim 79, further comprising a plurality of brushing elements extending from a base at the head portion of the applicator to free distal ends.
81. The oral care device of claim 79, further comprising, within the applicator, a power source configured to drive the compressor.
82. The oral care device of claim 81, wherein the head is movable and the power source is configured to also drive the head.
83. The oral care device of claim 79, further comprising, within the applicator, a reservoir configured to contain a supply of liquid for delivery to the air-liquid combination.
84. The oral care device of claim 83, wherein the oral care device is configured so that liquid is delivered to the compressor for mixing with the air.
85. The oral care device of claim 83, wherein the oral care device is configured so that liquid is delivered to the air downstream of the compressor.
86. The oral care device of claim 83, wherein the applicator includes an inlet configured to allow the reservoir to be refilled.
87. The oral care device of claim 86, wherein the inlet is configured to engage a corresponding outlet on a docking station.
88. The oral care device of claim 83, wherein the reservoir is replaceable by a user of the oral care device.
89. The oral care device of claim 83, wherein the oral device is configured so that the contents of the reservoir can be delivered regardless of the orientation of the oral care device.
90. The oral care device of claim 89, wherein the liquid reservoir is flexible, and is connected to an input of the compressor so that suction collapses the reservoir as liquid is drawn into the compressor along with air.
91. The oral care device of claim 89, wherein the liquid reservoir is flexible, and is surrounded by a pressurized air reservoir which applies pressure to the flexible liquid reservoir and forces the liquid out downstream of an outlet of the compressor
92. The oral care device of claim 83, wherein the power requirements of the device do not exceed 15W.
93. The oral care device of claim 79, wherein the oral care device has a total volume of less than about 200 cc.
94. The oral care device of claim 1, wherein the power requirements of the device do not exceed 20W.
95. The oral care device of claim 94, wherein the power requirements of the device do not exceed 15W.
96. The oral care device of claim 1, wherein the nozzle is flexible.
97. The oral care device of claim 34, wherein the length of the fluid conduit is from about 100 to 175 cm.
98. The oral care device of claim 22, wherein the pump is configured to produce an output pressure that is greater than the pressure of the pressurized gas in the passageway, to insure liquid flow into the passageway.
99. The oral care device of claim 32, wherein the docking station has a footprint area of less than about 200 cm2.
100. The oral care device of claim 1, wherein the oral care device has a volume of less than about 200 cc.
101. The oral care device of claim 32, wherein the total volume of the docking station and oral care device is less than about 3200 cc.
102. The oral care device of claim 21, further comprising a relief valve, vented to the atmosphere, disposed within the passageway between the compressor and a point at which the liquid is introduced.
103. The oral care device of claim 102, further comprising a one-way check valve positioned between the relief valve and the point at which liquid is introduced.
104. The oral care device of claim 1, wherein oral care device is configured so that the height to which the nozzle extends outwardly from the base is adjustable by the user.
105. The oral care device of claim 104, wherein the nozzle is fixed and the brush head is configured to move along a spiral incline when the head is twisted by the user.
106. The oral care device of claim 105, wherein the spiral incline includes indents that lock the head in a plurality of different height positions relative to the nozzle.
107. The oral care device of claim 1, further comprising circuitry configured to prevent a user from receiving an electrical shock if the oral care device is immersed in water.
108. The oral care device of claim 6, wherein the elastomeric portion has a hardness of less than 80 Shore A.
109. The oral care device of claim 1 or 6, wherein the elastomeric portion comprises a silicone elastomer.
110. The oral care device of claim 1, wherein the entire nozzle is formed of an elastomeric material.
CA2581679A 2004-10-07 2005-10-03 Oral care systems, oral care devices and methods of use Expired - Fee Related CA2581679C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2729370A CA2729370A1 (en) 2004-10-07 2005-10-03 Oral care systems, oral care devices and methods of use

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/960,467 US20060078844A1 (en) 2004-10-07 2004-10-07 Oral care systems, oral care devices and methods of use
US10/960,467 2004-10-07
PCT/US2005/035825 WO2006041920A1 (en) 2004-10-07 2005-10-03 Oral care systems, oral care devices and methods of use

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2729370A Division CA2729370A1 (en) 2004-10-07 2005-10-03 Oral care systems, oral care devices and methods of use

Publications (2)

Publication Number Publication Date
CA2581679A1 true CA2581679A1 (en) 2006-04-20
CA2581679C CA2581679C (en) 2011-04-05

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CA2729370A Abandoned CA2729370A1 (en) 2004-10-07 2005-10-03 Oral care systems, oral care devices and methods of use
CA2581679A Expired - Fee Related CA2581679C (en) 2004-10-07 2005-10-03 Oral care systems, oral care devices and methods of use

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CA2729370A Abandoned CA2729370A1 (en) 2004-10-07 2005-10-03 Oral care systems, oral care devices and methods of use

Country Status (9)

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US (1) US20060078844A1 (en)
EP (1) EP1796578A1 (en)
JP (1) JP2008515489A (en)
CN (1) CN101035485A (en)
AU (1) AU2005294359A1 (en)
CA (2) CA2729370A1 (en)
MX (1) MX2007004000A (en)
RU (1) RU2352289C2 (en)
WO (1) WO2006041920A1 (en)

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US20060078844A1 (en) 2006-04-13

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