Oral care implement having fluid delivery system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61C-017/00
A61C-005/04
A46B-009/04
A46B-011/00
A46B-013/02
A46B-015/00
A61C-017/22
출원번호
US-0082644
(2013-11-18)
등록번호
US-8920168
(2014-12-30)
발명자
/ 주소
Gatzemeyer, John J.
Boyd, Thomas J.
Jimenez, Eduardo J.
Russell, Bruce M.
출원인 / 주소
Colgate-Palmolive Company
대리인 / 주소
Flandro, Ryan M.
인용정보
피인용 횟수 :
0인용 특허 :
113
초록▼
An oral care implement has a head portion with tooth cleaning elements on one surface thereof and a reservoir containing at least one active agent. A capillary channel extends through at least a portion of the oral care implement to deliver active agent(s) to one or more outlets. In one aspect, a vi
An oral care implement has a head portion with tooth cleaning elements on one surface thereof and a reservoir containing at least one active agent. A capillary channel extends through at least a portion of the oral care implement to deliver active agent(s) to one or more outlets. In one aspect, a vibration-producing device is provided to vibrate at least a portion of the implement to enhance the function of tooth cleaning elements and the delivery of the active agent through capillary action. A variety of active agents can be administered for therapeutic, hygienic, and/or other benefits, such as fresh breath, tooth whitening, or producing sensations of heat, cool, or tingling.
대표청구항▼
1. An oral care implement comprising: a handle;a head comprising a front surface having at least one tooth cleaning element extending therefrom and an opposing rear surface;a reservoir for storing a fluid containing at least one active agent;an overflow chamber, wherein the overflow chamber is separ
1. An oral care implement comprising: a handle;a head comprising a front surface having at least one tooth cleaning element extending therefrom and an opposing rear surface;a reservoir for storing a fluid containing at least one active agent;an overflow chamber, wherein the overflow chamber is separated from the reservoir;a passageway formed within and extending through the handle from the reservoir to at least one outlet located on the rear surface of the head; anda capillary channel constructed from a fibrous material, ceramic, porous plastic, or combination thereof positioned within the passageway and extending from the reservoir to the at least one outlet to deliver the active agent from the reservoir to the at least one outlet by capillary action. 2. The oral care implement of claim 1, wherein the outlet is integral with an elastomeric tooth cleaning element. 3. The oral care implement of claim 1, wherein the active agent is selected from the group consisting of antibacterial agents; oxidative or whitening agents; supercharged fluoride delivery ingredients; tooth sensitivity ingredients; gum health actives; nutritional ingredients; tartar control or anti-stain ingredients; enzymes; sensate ingredients; flavors or flavor ingredients; anti-cavity or enamel repair agents; breath freshening ingredients; oral malodor reducing agents; anti-attachment agents; diagnostic solutions; occluding agents; and combinations thereof. 4. The oral care implement of claim 3, wherein the active agent is selected from the group consisting of (i) an antibacterial agent selected from the group consisting of chlorhexidine, cetyl pyridininum chloride, triclosan, and zinc salts; (ii) an oxidizing or whitening agent selected from the group consisting of hydrogen peroxide, urea peroxide, sodium percarbonate, and PVP-H2O2; (iii) a gum health active selected from the group consisting of bachalin, polyphenols, triclosan, ethyl pyruvate, and guanidinoethyl disulfide; (iv) a nutritional ingredient selected from the group consisting of vitamins, minerals, amino acids, vitamin E, and folic acid; (v) a tartar control or anti-stain agent selected from the group consisting of phosphate salts, polyvinylphosphonic acid, and PVM/MA copolymer; (vi) a flavor or flavor ingredient selected from the group consisting of menthol, carvone, anethole, aldehydes, esters, alcohols, and oils of spearmint, peppermint, wintergreen, sassafras, clove, sage, eucalyptus, marjoram, cinnamon, lemon, lime, grapefruit, or orange; (vii) an occluding agent selected from the group consisting of bioactive glass and arginine salts; and (viii) combinations thereof. 5. The oral care implement of claim 1 wherein the at least one outlet is a non-woven pad or membrane that forms a portion of the rear surface of the head. 6. The oral care implement of claim 1 wherein the capillary channel is press-fit into the passageway. 7. The oral care implement of claim 1 wherein the handle is overmolded around the capillary channel. 8. The oral care implement of claim 1 wherein the capillary channel is surrounded by the handle so that no portion of the capillary channel is exposed. 9. The oral care implement of claim 1 wherein the handle extends from a distal end to a proximal end along a longitudinal axis, the proximal end of the handle being coupled to the head, and wherein the reservoir is located in a distal portion of the handle. 10. The oral care implement of claim 9 wherein the overflow chamber is positioned adjacent to the reservoir and is located between the reservoir and the proximal end of the handle. 11. The oral care implement of claim 10 wherein the capillary channel includes a radially extending portion that separates the reservoir from the overflow chamber. 12. The oral care implement of claim 1 wherein the at least one outlet is integrally formed with the capillary channel. 13. The oral care implement of claim 12 wherein the at least one outlet is formed from a porous material having a first pore size and wherein the capillary channel is formed from a porous material having a second pore size, and wherein the first pore size is smaller than the second pore size. 14. The oral care implement of claim 1 wherein the capillary channel is in continuous fluid communication with the active agent stored within the reservoir.
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이 특허에 인용된 특허 (113)
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Rosofsky, Paul M.; Blumenfeld, Alfred M., Toothbrush assembly combining a handle with a replaceable brush assembly and a replaceable oral hygiene device.
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