IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0938692
(2010-11-03)
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등록번호 |
US-8287277
(2012-10-16)
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발명자
/ 주소 |
- Jodaikin, Ahron
- Jodaikin, Hilary
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출원인 / 주소 |
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대리인 / 주소 |
Roach Brown McCarthy & Gruber, P.C.
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인용정보 |
피인용 횟수 :
2 인용 특허 :
37 |
초록
▼
A reshapable retention device for insertion at a dental site and contact with adjacent dental surfaces, for the controlled delivery to the dental site of at least one material having a predetermined intraoral activity. The retention device includes at least one matrix containing the material. The re
A reshapable retention device for insertion at a dental site and contact with adjacent dental surfaces, for the controlled delivery to the dental site of at least one material having a predetermined intraoral activity. The retention device includes at least one matrix containing the material. The retention device is adapted for physically affixing at the dental site for at least a predetermined time period correlated to the delivery of a predetermined portion of the at least one matrix to the dental site in a controlled single, bi or multiphase pattern. The retention device includes a first configuration in which the overall dimensions of the retention device are larger than at least one dimension of the dental site. The first configuration is reshapable to a second configuration in which at least one dimension of the retention device is reduced to enable physically affixing the retention device at the dental site. In the second configuration the retention device includes a predetermined shape having contours for affixing at the dental surfaces.
대표청구항
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1. A retention device having a length, a depth, and a thickness for installation at a dental site, the dental site comprising an insertion space at least partially enclosed by two adjacent facing dental surfaces, and defining an insertion path into the insertion space; the retention device comprisin
1. A retention device having a length, a depth, and a thickness for installation at a dental site, the dental site comprising an insertion space at least partially enclosed by two adjacent facing dental surfaces, and defining an insertion path into the insertion space; the retention device comprising a first device part and second device part; said retention device configured to have an installed configuration including the first device part in a first spatial disposition with respect to the second device part,wherein in said spatial disposition said first device part is at least one of bent or folded with respect to said second device part about a bending facilitator extending along the length of the device and positioned along a respective reference axis generally parallel to the insertion path,wherein the bending facilitator is one of the group consisting of: (a) an indented bending line; (b) a perforated bending line; (c) a physical indicating mark along a bending line; and (d) a chemically treated indicating mark along a bending line; andwherein said first device part and said second device part have respective outer-facing surfaces, each said outer-facing surface facing a respective one or another of said dental surfaces when the retention device is installed in the insertion space;the retention device being configured in said installed configuration for providing controlled delivery to said dental site of at least one material having a predetermined intraoral activity via said outer-facing surfaces when said retention device is installed in the insertion space and in contact with said dental surfaces, said retention device comprising at least one matrix containing said at least one material;wherein at least one of said outer-facing surfaces has a respective dimension along said reference axis corresponding to said device length, said device length being greater than a respective dimension of said at least one of said outer-facing surfaces orthogonal to said reference axis;wherein the device is configured for being manipulated from a pre-installed configuration to said installed configuration, in which in said pre-installed configuration said first device part is in a second spatial disposition with respect to said second device part, different from said first spatial disposition, and in which said first device part is correspondingly at least one of unbent or unfolded with respect to said second device part about said respective reference axis;wherein said retention device is resilient. 2. The retention device according to claim 1, wherein said reference axis is generally co-extensive with said adjacent facing dental surfaces of the dental site. 3. The retention device according to claim 1, wherein said dental surfaces are comprised on adjacent teeth. 4. The retention device according to claim 1, wherein in said installed configuration, said first device part is generally inclined to said second device part about said reference axis at an acute angle. 5. The retention device according to claim 1, wherein in said installed configuration, said outer-facing surfaces are facing directions generally away from one another. 6. The retention device according to claim 1, wherein in said pre-installed configuration said first device part is in a generally co-planar spatial disposition with respect to said second device part. 7. The retention device according to claim 1, wherein said retention device is made from a resilient material capable of enabling fixing of the retention device at the dental site. 8. The retention device according to claim 1, wherein the at least one matrix comprises a hydrophilic polymer to enable said retention device to be affixed by swelling in situ by the hydration of said at least one matrix in the oral cavity after accommodation of said retention device at the dental site. 9. The retention device according to claim 1, wherein said retention device is soft for easy interproximal insertion, and provides a cleaning effect which would serve as an alternative or supplement to flossing and releases said at least one material. 10. The retention device according to claim 9, wherein said at least one material is selected from the group consisting of an antimicrobial agent, a cleansing agent, a remineralizing agent, and a mineralizing agent. 11. The retention device according to claim 1, wherein said retention device is one of the group consisting of substantially biodegradable, self-degradable, substantially resorbable and substantially non-resorbable. 12. The retention device according to claim 1, wherein the at least one matrix further comprises any one of an enhancing agent for enhancing the application and release of an active material. 13. The retention device according to claim 12, wherein said at least one material is selected from the group consisting of a plasticizer, an elasticizer, a coloring agent, an adhering agent, a filler, a softener, a binder, a preserving agent, a sterilizing agent, an antimicrobial agent, an anti plaque agent, an anti inflammatory agent, an antioxidant, humectants, a nutrient analgesic agent, an anaesthetic agent, an anti calculus agent, a cleaning agent, an effervescent agent, an tooth desensitizing agent, a staining agent, a hemostatic agent, an astringent agent, a whitening agent, a bleaching agent, a flavoring agent, a sweetening agent, a breath freshener, and sensate. 14. The retention device according to claim 1, wherein the at least one material is selected from the group consisting of sodium fluoride, stannous fluoride, stannous hexafluorozirconate, calcium fluoride, difluorosilane, hydrogen fluoride, sodium monofluorophosphate, ytterbium trifluoride, sodium hexafluorosilicate, ammonium fluoride, acidulated phosphate fluoride, an amine fluoride, fluoroahuminosilicate glass, any mixture thereof, and a fluoridation agent. 15. The retention device according to claim 1, wherein the at least one material is selected from the group consisting of stannous fluoride, alexidine, chlorhexidine digluconate, hexetidine, copper zinc citrate and stannous pyrophosphate, triclosan, cetylpyridinium chloride and halogenated bisphenolic compounds, and an antimicrobial agent. 16. The retention device according to claim 1, wherein the at least one material is selected from the group consisting of a cleaning agent, a tooth desensitizing agent, a tooth whitening agent and a tooth bleaching agent. 17. A retention device according to claim 1, wherein said device is generally disc-shaped in said pre-installed configuration. 18. A retention device having a length, a depth, and a thickness for installation at a dental site, the dental site comprising an insertion space at least partially enclosed by two adjacent facing dental surfaces, and defining an insertion path into the insertion space; the retention device configured to have a V-shaped configuration at least prior to being installed in said insertion space and, comprising at least a first device part disposed with respect to at least a second device part about a bending facilitator having a length longer than the device's depth and positioned along a reference axis to form (a) the first device part that is a first arm of said V-shaped installed configuration and (b) the second device part that is the second arm of said V-shaped installed configuration, wherein said first device part and said second device part have respective outer-facing surfaces, each said outer-facing surface configured for facing a respective one or another of said dental surfaces when the retention device is installed in said insertion space, wherein said first device part and said second device part have respective inner-facing surfaces facing one another, and wherein said device, along said bending facilitator, defines an outwardly facing free edge adjacent each said outer-facing surface;the retention device being configured in said V-shaped configuration for providing controlled delivery to said dental site of at least one material having a predetermined intraoral activity via said outer-facing surfaces when said retention device is installed in the insertion space and in contact with said dental surfaces, said retention device comprising at least one matrix containing said at least one material;wherein the bending facilitator is one of the group consisting of: (a) an indented bending line; (b) a perforated bending line; (c) a physical indicating mark along a bending line; and (d) a chemically treated indicating mark along a bending line;wherein said retention device is resilient. 19. The retention device according to claim 18, wherein in said V-shaped configuration, said first device part is generally inclined to said second device part about said reference axis at an acute angle. 20. The retention device according to claim 18, wherein in a pre-installed configuration of said retention device said first device part is in a generally co-planar spatial disposition with respect to said second device part. 21. The retention device according to claim 18, wherein the at least one matrix comprises a hydrophilic polymer to enable said retention device to be affixed by swelling in situ by the hydration of said at least one matrix in the oral cavity after accommodation of said retention device at the dental site. 22. A retention device according to claim 18, wherein said device is generally disc-shaped in a non-V-shaped pre-installed configuration. 23. A retention device having a length, a depth, and a thickness for installation at a dental site, the dental site comprising an insertion space at least partially enclosed by two adjacent facing dental surfaces, and defining an insertion path into the insertion space, the retention device comprising a reference axis generally dividing said device into a first device part and a second device part, each having a respective outer-facing surface configured for facing a respective one or another of said dental surfaces;the retention device being configured for being installed in said insertion space with each said outer-facing surface in contact with a respective one or another of said dental surfaces, and further configured for providing controlled delivery to said dental site of at least one material having a predetermined intraoral activity via said outer-facing surfaces when said retention device is installed in the insertion space and in contact with said dental surfaces, said retention device comprising at least one matrix containing said at least one material;the retention device further comprising a bending facilitator having a length greater than the device's depth and associated with said reference axis for facilitating bending or folding said first device part with respect to said second device part at said reference axis to provide an installed configuration in which said device, along said bending facilitator, defines an outwardly facing free edge adjacent each said outer facing surface;wherein the bending facilitator is one of the group consisting of: (a) an indented bending line; (b) a perforated bending line; (c) a physical indicating mark along a bending line; and (d) a chemically treated indicating mark along a bending line;wherein said retention device is resilient. 24. The retention device according to claim 23, wherein in said installed configuration, said first device part is generally inclined to said second device part about said reference axis at an acute angle. 25. The retention device according to claim 23, wherein in said installed configuration, said outer-facing surfaces are facing directions generally away from one another. 26. The retention device according to claim 23, wherein said device further comprises a relaxed, pre-installed configuration, wherein said first device part is in a generally co-planar spatial disposition with respect to said second device part. 27. The retention device according to claim 23, wherein the at least one matrix comprises a hydrophilic polymer to enable said retention device to be affixed by swelling in situ by the hydration of said at least one matrix in the oral cavity after accommodation of said retention device at the dental site. 28. A retention device according to claim 23, wherein prior to bending or folding said first device part with respect to said second device part at said reference axis, said device is generally disc-shaped. 29. A retention device for installation at a dental site, the dental site comprising an insertion space at least partially enclosed by two adjacent facing dental surfaces, and defining an insertion path into the insertion space; the retention device comprising a first device part and a second device part, said retention device configured to have an installed configuration including said first device part in a first spatial disposition with respect to said second device part, wherein in said first spatial disposition said first device part is rolled with respect to said second device part about a respective reference axis generally parallel to the insertion path, and wherein said first device part and said second device part have respective outer-facing surfaces, each said outer-facing surface facing a respective one or another of said dental surfaces when the retention device is installed in the insertion space;the retention device being configured in said installed configuration for providing controlled delivery to said dental site of at least one material having a predetermined intraoral activity via said outer-facing surfaces when said retention device is installed in the insertion space and in contact with said dental surfaces, said retention device comprising at least one matrix containing said at least one material;wherein the device is configured for being manipulated from a pre-installed configuration to said installed configuration, in which in said pre-installed configuration said first device part is in a second spatial disposition with respect to said second device part, different from said first spatial disposition, and in which said first device part is unrolled with respect to said second device part about said respective reference axis;wherein the bending facilitator is one of the group consisting of: (a) an indented bending line; (b) a perforated bending line; (c) a physical indicating mark along a bending line; and (d) a chemically treated indicating mark along a bending line;wherein said retention device is resilient. 30. A retention device having a length, a depth, and a thickness for installation at a dental site, the dental site comprising an insertion space at least partially enclosed by two adjacent facing dental surfaces, and defining an insertion path into the insertion space; the retention device comprising a first device part and a second device part, said retention device configured to have an installed configuration consisting of said first device part in a first spatial disposition with respect to said second device part, wherein in said spatial disposition said first device part is at least one of bent or folded with respect to said second device part about a bending facilitator having a length longer than the device's depth and wherein the device's depth is larger than the device's thickness, wherein the bending facilitator is positioned along a respective reference axis generally parallel to the insertion path, and wherein said first device part and said second device part have respective outer-facing surfaces, each said outer-facing surface facing a respective one or another of said dental surfaces when the retention device is installed in the insertion space;the retention device being configured in said installed configuration for providing controlled delivery to said dental site of at least one material having a predetermined intraoral activity via said outer-facing surfaces when said retention device is installed in the insertion space and in contact with said dental surfaces, said retention device comprising at least one matrix containing said at least one material;wherein the device is configured to be in said installed configuration at least prior to being installed in said insertion space;wherein the bending facilitator is one of the group consisting of: (a) an indented bending line; (b) a perforated bending line; (c) a physical indicating mark along a bending line; and (d) a chemically treated indicating mark along a bending line;wherein said retention device is resilient. 31. A retention device having a length, a depth, and a thickness for installation at a dental site, the dental site comprising an insertion space at least partially enclosed by two adjacent facing dental surfaces, and defining an insertion path into the insertion space; the retention device comprising a first device part and a second device part, said retention device configured to have an installed configuration including said first device part in a first spatial disposition with respect to said second device part, wherein in said spatial disposition said first device part is folded with respect to said second device part about a bending facilitator having a length longer than the device's depth and positioned generally parallel to the insertion path, wherein said bending facilitator comprises an outwardly facing free fold edge, and wherein said first device part and said second device part have respective outer-facing surfaces, each said outer-facing surface facing a respective one or another of said dental surfaces when the retention device is installed in the insertion space;the retention device being configured in said installed configuration for providing controlled delivery to said dental site of at least one material having a predetermined intraoral activity via said outer-facing surfaces when said retention device is installed in the insertion space and in contact with said dental surfaces, said retention device comprising at least one matrix containing said at least one material;wherein the device is configured for being manipulated from a pre-installed configuration to said installed configuration, in which in said pre-installed configuration said first device part is in a second spatial disposition with respect to said second device part, different from said first spatial disposition, and in which said first device part is unfolded with respect to said second device part about said respective reference axis;wherein the bending facilitator is one of the group consisting of: (a) an indented bending line; (b) a perforated bending line; (c) a physical indicating mark along a bending line; and (d) a chemically treated indicating mark along a bending line;wherein said retention device is resilient. 32. A retention device having a length, a depth, and a thickness for installation at a dental site, the dental site comprising an insertion space at least partially enclosed by two adjacent facing dental surfaces, and defining an insertion path into the insertion space; the retention device comprising a first device part and a second device part, said retention device configured to have an installed configuration including said first device part in a first spatial disposition with respect to said second device part, wherein in said spatial disposition said first device part is at least one of bent or folded with respect to said second device part about a bending facilitator having a length longer than the device's depth and wherein the device's depth is larger than the device's thickness, wherein the bending facilitator is positioned along a respective reference axis generally parallel to the insertion path, and wherein said first device part and said second device part have respective outer-facing surfaces, each said outer-facing surface facing a respective one or another of said dental surfaces when the retention device is installed in the insertion space;the retention device being configured in said installed configuration for providing controlled delivery to said dental site of at least one material having a predetermined intraoral activity via said outer-facing surfaces when said retention device is installed in the insertion space and in contact with said dental surfaces, said retention device comprising at least one matrix containing said at least one material;wherein the device is configured for being manipulated from a pre-installed configuration to said installed configuration, in which in said pre-installed configuration said first device part is in a second spatial disposition with respect to said second device part, different from said first spatial disposition, and in which said first device part is correspondingly at least one of unbent or unfolded with respect to said second device part about said respective reference axis;wherein said device is generally disc-shaped in said pre-installed configuration;wherein the bending facilitator is one of the group consisting of: (a) an indented bending line; (b) a perforated bending line; (c) a physical indicating mark along a bending line; and (d) a chemically treated indicating mark along a bending line;wherein said retention device is resilient. 33. A retention device having a length, a depth, and a thickness for installation at a dental site, the dental site comprising an insertion space at least partially enclosed by two adjacent facing dental surfaces, and defining an insertion path into the insertion space; the retention device configured to have a V-shaped configuration at least prior to being installed in said insertion space and, comprising at least a first device part disposed with respect to at least a second device part about an edge on a bending facilitator having a length longer than the device's depth and positioned along a reference axis to form (a) the first device part that is a first arm of said V-shaped installed configuration and (b) the second device part that is a second arm of said V-shaped installed configuration, wherein said first device part and said second device part have respective outer-facing surfaces, each said outer-facing surface configured for facing a respective one or another of said dental surfaces when the retention device is installed in said insertion space, wherein said first device part and said second device part have respective inner-facing surfaces facing one another, and wherein said edge comprises an outwardly facing free edge adjacent each said outer-facing surface, when the device is in the V-shaped configuration;the retention device being configured in said V-shaped configuration for providing controlled delivery to said dental site of at least one material having a predetermined intraoral activity via said outer-facing surfaces when said retention device is installed in the insertion space and in contact with said dental surfaces, said retention device comprising at least one matrix containing said at least one material;wherein the bending facilitator is one of the group consisting of: (a) an indented bending line; (b) a perforated bending line; (c) a physical indicating mark along a bending line; and (d) a chemically treated indicating mark along a bending line;wherein said retention device is resilient.
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