[특허]Aesthetic treatment for wrinkle reduction and rejuvenation

[미국특허] Aesthetic treatment for wrinkle reduction and rejuvenation 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-019/00
출원번호	US-0882302 (2010-09-15)
등록번호	US-8276592 (2012-10-02)
발명자 / 주소	Davenport, Scott A. Gollnick, David A. Christensen, Steven MacFarland, Dean A. Estrada, Robert Bernhard
출원인 / 주소	Cutera, Inc.
대리인 / 주소	Morrison & Foerster LLP
인용정보	피인용 횟수 : 0 인용 특허 : 43

초록 ▼

A dermatological treatment method includes directing laser energy having a wavelength of 2.79 μm onto skin. According to disclosed methods, the energy can function to ablate a first portion of epidermal tissue, coagulate an underlying second portion of epidermal tissue, and promote collagen formation in tissue of the underlying dermis. In an exemplary treatment apparatus, a laser using a YSGG gain medium is mounted in a handpiece. The handpiece may include a two-axis scanner to allow for uniform scanning of the energy over the tissue surface.

대표청구항 ▼

1. A method for reducing skin wrinkles comprising the steps of: generating a pulsed beam of laser radiation from a YSGG gain medium, said beam of radiation having a wavelength of 2.79 microns; andscanning the pulsed beam over the skin in a two dimensional array of spots within a treatment region in a manner such that the spots overlap, with the fluence at each spot being between 2 and 5 joules/cm2 and with the pulse width being between 100 and 600 microseconds and wherein the fluence and pulse width are selected to ablate the upper surface of the skin to a predetermined depth and to create a layer of coagulated tissue below the ablated region with the thickness of the layer of coagulated tissue being at least as great as said predetermined depth of ablation, said coagulated tissue creating a natural dressing which subsequently peels from the skin resulting in a reduction in skin wrinkles. 2. A method as recited in claim 1, wherein the fluence and the pulse width of the radiation are selected so that the thickness of the layer of coagulated tissue is between 30 and 50 microns. 3. A method as recited in claim 2, wherein the fluence and the pulse width of the radiation are selected so that the predetermined depth of ablation is between 20 and 50 microns. 4. A method for reducing skin wrinkles comprising the steps of: generating a pulsed beam of laser radiation from a YSGG gain medium, said beam of radiation having a wavelength of 2.79 microns; andscanning the pulsed beam over the skin in a two dimensional array of spots within a treatment region, with the fluence at each spot being between 2 and 5 joules/cm2 and with the pulse width being between 100 and 600 microseconds and wherein the fluence and pulse width are selected to ablate the upper surface of the skin to a predetermined depth and to create a layer of coagulated tissue below the ablated region with the thickness of the layer of coagulated tissue being at least as great as said predetermined depth of ablation, said coagulated tissue creating a natural dressing which subsequently peels from the skin resulting in a reduction in skin wrinkles. 5. A method as recited in claim 4, wherein the fluence and the pulse width of the radiation are selected so that the thickness of the layer of coagulated tissue is between 30 and 50 microns. 6. A method as recited in claim 5, wherein the fluence and the pulse width of the radiation are selected so that the predetermined depth of ablation is between 20 and 50 microns. 7. A method as recited in claim 4 wherein the pulsed beam is scanned in a manner so the spots are adjacent to each other to create a continuous pattern. 8. A method as recited in claim 4 wherein the pulsed beam is scanned in a manner so the spots are spaced apart.

이 특허에 인용된 특허 (43) 인용/피인용 타임라인 분석

Davenport, Scott A.; Gollnick, David A.; Christensen, Steven; MacFarland, Dean A.; Estrada, Robert Bernhard, Aesthetic treatment for wrinkle reduction and rejuvenation.
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Asah Bjarne,DKX ; Balle-Petersen Olav,DKX, Apparatus for tissue treatment.
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Rizoiu Ioana M. ; Kimmel Andrew I., Atomized fluid particles for electromagnetically induced cutting.
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Tilleman, Michael M.; Boutoussov, Dmitri; Rizolu, Ioana M.; Kimmel, Andrew I., Device for reduction of thermal lensing.
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Rizoiu, Ioana M.; Kimmel, Andrew I., Electromagnetic energy distributions for electromagnetically induced cutting.
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Rizoiu Ioana M. ; Kimmel Andrew I., Electromagnetic energy distributions for electromagnetically induced mechanical cutting.
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Rizoiu,Ioana M.; Kimmel,Andrew I., Electromagnetic energy distributions for electromagnetically induced mechanical cutting.
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Rizoiu, Ioana M.; Kimmel, Andrew I., Electromagnetically induced cutting with atomized fluid particles for dermatological applications.
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Stoneman, Robert C.; Henderson, Sammy W., Eyesafe Q-switched Er-doped solid-state laser.
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Rizoiu, Ioana M.; Jones, Jeffrey W., Fiber tip fluid output device.
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Rizoiu,Ioana M.; Jones,Jeffrey W., Fiber tip fluid output device.
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Ioana M. Rizoiu ; Andrew I. Kimmel, Fluid conditioning system.
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Rizoiu Ioana M. ; Kimmel Andrew I., Fluid conditioning system.
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Rizoiu, Ioana M.; Kimmel, Andrew I., Fluid conditioning system.
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Lefki,Karim M. T.; Cense,Abraham J.; Cheng,Xiang S.; Van Amstel,Willem D.; Veldhuis,Gerrit J., Hair-removing device with a controllable laser source.
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Trost David, Hand-held laser scanner.
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Trost David, Hand-held laser scanner.
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Trost David, Hand-held laser scanner.
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Gerald M. Mitchell ; Edward D. Reed ; Greg J. Spooner ; Michael Hmelar, High repetition rate erbium: YAG laser for tissue ablation.
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Mitchell Gerald M. ; Reed Edward D. ; Spooner Greg J. ; Hmelar Michael, High repetition rate erbium:YAG laser for tissue ablation.
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Mitchell Gerald M. (Los Altos CA) Reed Edward D. (Sunnyvale CA) Spooner Greg J. (Palo Alto CA) Hmelar Michael (Palo Alto CA), High repetition rate erbium; YAG laser for tissue ablation.
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Kevin S. Marchitto ; Stephen T. Flock CA, Irradiation enhanced permeation and collection.
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Waner Milton (Little Rock AR) Flock Stephen T. (Little Rock AR) Vestal Charles H. (Sheridan AR), Laser perforator.
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Rizoiu Ioana M. ; Kimmel Andrew I., Material remover and method.
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Eckhouse Shimon,ILX ; Kreindel Michael,ILX, Method and apparatus for skin rejuvenation and wrinkle smoothing.
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Altshuler,Gregory B.; Anderson,R. Rox; Manstein,Dieter, Method and apparatus for the selective targeting of lipid-rich tissues.
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Eckhouse Shimon,ILX, Method and apparatus for therapeutic electromagnetic treatment.
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Black Michael (Foster City CA) Lemberg Vladimir (Belmont CA), Method and apparatus for treating a surface with a scanning laser beam having an improved intensity cross-section.
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Yarborough J. Michael (Tucson AZ) Anderson R. Rox (Lexington MA) Marcellino George (Los Gatos CA) Mitchell Gerald M. (Tucson AZ), Method and apparatus for treating vascular lesions.
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Rizoiu, Ioana M.; Kimmel, Andrew I., Methods of using atomized particles for electromagnetically induced cutting.
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Rizoiu, Ioana M.; Boutsoussov, Dmitri; Jones, Jeffrey W., Radiation emitting apparatus with spatially controllable output energy distributions.
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Connors Kevin ; Spooner Greg ; Saunders Ralph, Rapid pulsed Er:YAG laser.
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Hobart James L. (Los Altos Hills CA) Yarborough J. Michael (Tucson AZ) Dallarosa Joseph (Redwood City CA) Gardner Phillip (Cupertino CA), Resonator for CO₂ slab waveguide laser.
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Angeley, David G.; Andersen, Dan E.; James, Philip S.; Austin, R. Russel, Scanning laser handpiece with shaped output beam.
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Angeley, David G.; Anderson, Dan E.; James, Philip S., Scanning laser handpiece with shaped output beam.
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Hobart, James L.; Negus, Daniel K.; Gott, Ken; Hugues, Rene, Selective aperture for laser delivery system for providing incision, tissue ablation and coagulation.
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Yacov Domankevitz ; R. Rox Anderson, Selective laser-induced heating of biological tissue.
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Telfair William B. ; Hoffman Hanna J., Short pulse mid-infrared laser source for surgery.
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Cense, Abraham Josephus; Cheng, Xiang Sheng, Skin treating device comprising a processor for determination of the radiation pulse dose.
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Cense, Abraham Josephus; Simonsen, Jan; Roersma, Michiel Errit; Schlangen, Lucas Josef Maria; Nuijs, Antonius Maarten, Skin treating device comprising a protected radiation exit opening.
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Rizoiu Ioana M. ; Kimmel Andrew I., Tissue remover and method.
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Rizoiu Ioana M. ; Kimmel Andrew I., User programmable combination of atomized particles for electromagnetically induced cutting.
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Damasco Sanford ; Loeb Marvin P. ; Blair Randall J., Variable pulse width lasing device.
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A	생활필수품
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Aesthetic treatment for wrinkle reduction and rejuvenation 원문보기