[미국특허]
Apparatus for dermatological treatment using chromophores
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-018/18
A61B-018/14
A61M-005/158
A61B-005/00
A61B-018/00
A61B-018/20
A61B-018/22
출원번호
US-0621681
(2012-09-17)
등록번호
US-9452013
(2016-09-27)
발명자
/ 주소
Manstein, Dieter
출원인 / 주소
The General Hospital Corporation
대리인 / 주소
Andrews Kurth LLP
인용정보
피인용 횟수 :
0인용 특허 :
293
초록▼
The present invention encompasses methods that use heat and/or electromagnetic radiation for dermatological treatment and more particularly to a method that uses heat and/or electromagnetic radiation in combination with chromophores for fractional wounding and, in particular, discontinuous fractiona
The present invention encompasses methods that use heat and/or electromagnetic radiation for dermatological treatment and more particularly to a method that uses heat and/or electromagnetic radiation in combination with chromophores for fractional wounding and, in particular, discontinuous fractional damage of skin tissue.
대표청구항▼
1. An apparatus for fractional wounding of skin, comprising: an applicator that is configured to apply at least one chromophore in a specific pattern to a predetermined area of the skin, wherein the specific pattern corresponds to a desired pattern of fractional wounding of the skin; anda hardware r
1. An apparatus for fractional wounding of skin, comprising: an applicator that is configured to apply at least one chromophore in a specific pattern to a predetermined area of the skin, wherein the specific pattern corresponds to a desired pattern of fractional wounding of the skin; anda hardware radiation source that is configured to provide electromagnetic radiation to the predetermined area of the skin so as to produce a plurality of thermally-damaged regions in an epidermal portion of the skin based on an interaction between the at least one chromophore and the electromagnetic radiation. 2. The apparatus of claim 1, further comprising a removal arrangement that is configured to remove a first portion of the at least one chromophore from a surface of the skin prior to applying the electromagnetic radiation, wherein a second portion of the at least one chromophore remains in pores of the skin. 3. The apparatus of claim 2, wherein the applicator is configured to apply the at least one chromophore to the skin in the form of a powder. 4. The apparatus of claim 1, wherein the applicator comprises at least one of a grid, a mesh, a roller, a stamp or a stencil. 5. The apparatus of claim 1, wherein the specific pattern is applied by the applicator using an attachment medium. 6. The apparatus of claim 5, wherein the attachment medium is an adhesive. 7. The apparatus of claim 6 wherein the attachment medium is at least one of an acrylide, a derma-bond or a glue. 8. The apparatus of claim 5, wherein the attachment medium is light-activated. 9. The apparatus of claim 1, wherein a smallest dimension of the plurality of thermally damaged regions of the tissue is between about 1 μm and about 1000 μm. 10. The apparatus of claim 1, wherein a smallest dimension of the plurality of thermally damaged regions of the tissue is between about 100 μm and about 800 μm. 11. The apparatus of claim 1, wherein a distance between adjacent ones of the thermally damaged regions of the tissue is between about 10 μm and about 2000 μm. 12. The apparatus of claim 1, wherein the thermally-damaged regions are further produced in a dermal portion of the skin. 13. An apparatus for fractional wounding of skin, comprising; a mask structured to cover a portion of the predetermined area of the skin; anda hardware radiation source configured to apply electromagnetic radiation to the predetermined area so as to generate regions of a thermal injury in an epidermal portion of the skin based on an interaction between the electromagnetic radiation and at least one of the mask arrangement or at least one chromophore that is applied to the skin,wherein a predetermined pattern of fractional wounding is formed based on the mask arrangement. 14. The apparatus of claim 13, wherein the mask comprises at least one of a grid, a mesh, a stamp or a stencil. 15. The apparatus of claim 13, wherein the mask masks a portion of the predetermined area of the skin from at least a portion of the electromagnetic radiation, and wherein the thermal injury occurs where the skin is not masked by the mask. 16. The apparatus of claim 15, wherein the mask comprises at least one of a grid, a mesh or a stencil. 17. The apparatus of claim 13, wherein the mask is configured to preferentially absorb the electromagnetic radiation, the at least one chromophore is a reflective chromophore, and the thermal injury occurs in at least a portion of the predetermined area of the skin that is in contact with the mask. 18. The apparatus of claim 17, wherein the at least one chromophore is at least one of a glass bead, a gold flake, a metal particle, a mirrored glass bead, a salt crystal, or silica. 19. The apparatus of claim 13, further comprising an applicator configured to apply the at least one chromophore to the predetermined area of the skin. 20. The apparatus of claim 13, wherein the at least one chromophore is a phase transition chromophore.
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