Thermal treatment of the skin surface with metal nanoparticles in surfactant containing solutions
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61K-041/00
A61K-008/02
A61K-008/29
A61Q-009/04
A61K-009/51
A61B-017/50
A61B-018/20
A61N-005/06
A61B-018/06
A61B-018/18
A61K-008/11
A61Q-009/00
A61Q-019/00
A61K-008/19
A61Q-019/06
A61Q-019/08
A61K-009/00
B82Y-005/00
A61B-018/00
A61N-005/067
출원번호
US-0471429
(2014-08-28)
등록번호
US-9439965
(2016-09-13)
발명자
/ 주소
Harris, Todd James
Chen Kim, Alice Ann
출원인 / 주소
Sienna Biopharmaceuticals, Inc.
대리인 / 주소
Knobbe, Martens, Olson & Bear, LLP
인용정보
피인용 횟수 :
1인용 특허 :
135
초록▼
Treatment of skin tissue with photoactive materials and light, such as nanoparticles and formulations which are useful for cosmetic, diagnostic and therapeutic applications to mammals such as humans. In particular, embodiments of thermal treatment of the skin surface with metal nanoparticles in surf
Treatment of skin tissue with photoactive materials and light, such as nanoparticles and formulations which are useful for cosmetic, diagnostic and therapeutic applications to mammals such as humans. In particular, embodiments of thermal treatment of the skin surface with metal nanoparticles in surfactant containing solutions are disclosed.
대표청구항▼
1. A method of localizing thermal damage to a targeted component of a skin tissue with a surfactant composition, comprising: topically applying a composition comprising a surfactant and nanoparticles to a skin surface of a skin tissue;wherein the skin tissue comprises a targeted component of the ski
1. A method of localizing thermal damage to a targeted component of a skin tissue with a surfactant composition, comprising: topically applying a composition comprising a surfactant and nanoparticles to a skin surface of a skin tissue;wherein the skin tissue comprises a targeted component of the skin tissue and a non-targeted component of the skin tissue,wherein the nanoparticles have at least one peak absorption wavelength selected from the group consisting of: 755 nm, 800-810 nm, and 1064 nm,wherein the nanoparticles are unassembled,wherein the nanoparticles have a concentration of 109 to 1016 particles per ml of the composition,wherein the nanoparticles comprise a conductive metal portion comprising at least one of gold, silver, and platinum,wherein the nanoparticles comprise a coating that coats the conductive metal portion;targeting a pilosebaceous unit by redistributing a portion of the composition of nanoparticles from the non-targeted component of the skin tissue to the targeted component of the skin tissue while a remaining portion of the composition is left on the non-targeted component of the skin tissue;removing the remaining portion of the composition from the non-targeted component of the non-targeted component of the skin tissue; andirradiating the composition of nanoparticles with an energy source to induce a surface plasmon in said nanoparticles, thereby localizing thermal damage to said targeted component of the skin tissue. 2. The method of claim 1, wherein the surfactant comprises at least one nonionic surfactant. 3. The method of claim 1, wherein the surfactant comprises sodium dodecyl sulfate and the coating comprises any one of silica and polyethylene glycol (PEG). 4. The method of claim 1, further comprising: a cosmetically acceptable carrier,wherein the nanoparticles are plasmonic,wherein the nanoparticles have an optical density of 10 O.D. to 5,000 O.D. within an infrared light range,wherein the composition comprises a gel or a cream. 5. The method of claim 1, wherein redistributing the composition of nanoparticles comprises distribution with at least one of a massage device and an ultrasound device configured for bubble formation or liquid micro streaming. 6. The method of claim 1, wherein the conductive metal portion is a nanoplate, wherein the coating is a non-metal coating, and wherein the coating is less conductive than the conductive metal portion, wherein surfactant comprises sodium dodecyl sulfate. 7. A method of localizing thermal damage to a targeted component of a skin tissue with a surfactant composition, comprising: topically applying a composition comprising nanoparticles and a surfactant to a skin surface of a skin tissue,wherein the skin tissue comprises a targeted component of the skin tissue and a non-targeted component of the skin tissue,wherein the nanoparticles comprise a conductive metal portion comprising at least one of gold, silver, and platinum,wherein the nanoparticles comprise a coating that coats the conductive metal portion;wherein the nanoparticles are provided in a range of 109 to 1016 particles in the composition;wherein the nanoparticles are unassembled,distributing a portion of the composition from the non-targeted component of the skin tissue to the targeted component of the skin tissue while a remaining portion of the composition is left on the non-targeted component of the skin tissue;removing the remaining portion of the composition from the non-targeted component of the skin tissue; andexposing the composition to an energy wavelength, thereby inducing a surface plasmon in said nanoparticles, thereby localizing thermal damage to said targeted component of the skin tissue. 8. The method of claim 7, wherein the surfactant comprises at least one nonionic surfactant. 9. The method of claim 7, wherein the coating comprises polyethylene glycol (PEG) and the conductive metal portion comprises gold or silver. 10. The method of claim 7, further comprising: a cosmetically acceptable carrier,wherein the surfactant comprises sodium dodecyl sulfate;wherein the conductive metal portion is a nanoplate, andwherein the coating is less conductive than the conductive metal portion. 11. The method of claim 7, further comprising: pre-treating the skin surface, prior to exposing the composition to the energy wavelength, to increase distribution from the skin surface to the targeted component of the skin tissue, wherein pre-treating the skin surface comprises at least one of the group consisting of one or more of the following: hair removal, fractionated photothermolysis laser treatment, mechanical exfoliation, and chemical exfoliation. 12. The method of claim 7, wherein distributing the composition of nanoparticles comprises distribution with at least one of the group consisting of one or more of the following: an ultrasound device and a massage device. 13. The method of claim 7, wherein the conductive metal portion is a nanoplate, wherein the metal portion has a dimension in a range of 100- 250 nm, wherein the nanoplate has a peak absorption wavelength in a range of 500 nm to 1200 nm, wherein the surfactant comprises sodium dodecyl sulfate. 14. The method of claim 7, wherein the conductive metal portion is a silver nanoplate, wherein the nanoplate has a dimension in a range of 10-100 nm, wherein the surfactant comprises sodium dodecyl sulfate, wherein the coating comprises any one of silica and polyethylene glycol (PEG). 15. The method of claim 7, wherein the surfactant comprises sodium dodecyl sulfate, wherein distributing the composition of nanoparticles in contact with the skin surface comprises distribution with at least one of a massage device and an ultrasound device. 16. A method of treating a targeted component of the skin tissue with a surfactant composition, comprising: applying a composition comprising a surfactant and nanoparticles to a skin surface of a skin tissue,wherein the skin tissue comprises a targeted component of the skin tissue and a non-targeted component of the skin tissue,wherein the nanoparticles have a concentration of 109 to 1016 particles per ml of the composition, wherein the nanoparticles are unassembled,wherein the nanoparticles comprise at least one of gold, silver, and platinum,wherein the nanoparticles comprise a coating,distributing a portion of the composition of from the skin surface to a portion of a targeted component of the skin tissue while a remaining portion of the composition is left on the non-targeted component of the skin tissue;removing remaining portion of the composition from the non-targeted component of the skin tissue while leaving the composition localized within the targeted component of the skin tissue, andexposing the composition of nanoparticles to an energy wavelength selected from the group consisting of: 755 nm, 800-810 nm, and 1064 nm, thereby localizing thermal damage to said targeted component of the skin tissue. 17. The method of claim 16, further comprising: pre-treating the skin surface to increase delivery of the nanoparticles to the targeted component of the skin tissue with at least one of the group consisting of shaving, waxing, peeling, a fractionated photothermolysis laser treatment, cyanoacrylate surface peeling, a calcium thioglycolate treatment, a surface exfoliation, a mechanical exfoliation, a salt glow, a microdermabrasion, a chemical exfoliation, a chemical exfoliation with an enzyme, a chemical exfoliation with alphahydroxy acid, and a chemical exfoliation with betahydroxy acid;wherein distributing the composition of nanoparticles in contact with the skin surface comprises distribution with at least one of a massage device and an ultrasound device; andwherein exposing the composition of nanoparticles to the energy wavelength induces a surface plasmon in said nanoparticles. 18. The method of claim 16, wherein distributing the composition of nanoparticles in contact with the skin surface comprises distribution with at least one of the group consisting of one or more of the following: an ultrasound device and a massage device;wherein exposing the composition of nanoparticles to the energy wavelength induces a surface plasmon in said nanoparticles. 19. The method of claim 16, wherein the nanoparticles are nanoplates,wherein the nanoparticles have an optical density of 10 O.D. to 5,000 O.D. within an infrared light range and the concentration is 1011 to 1013 particles per ml of the composition;wherein the surfactant comprises sodium dodecyl sulfate,wherein the nanoparticles are plasmonic and have a dimension of 1-1,000 nm, andwherein exposing the composition of nanoparticles to the energy wavelength induces a surface plasmon in said nanoparticles. 20. The method of claim 16, further comprising: a cosmetically acceptable carrier,wherein the surfactant is nonionic, andwherein distributing the composition of nanoparticles comprises distribution with at least one of the group consisting of one or more of the following: an ultrasound device, a sonic force device, a massage device, a high pressure air flow device, a high pressure liquid flow device, and a vacuum device, and a dermabrasion device.
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