Patents by Inventor HENRY HIN LEE CHAN
HENRY HIN LEE CHAN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11826096Abstract: An exemplary treatment system can be provided which can include a laser system configured to emit at least one laser beam, and an optical system configured to focus the laser beam(s) to a focal region at a selected distance from a surface of a tissue. The focal region can be configured to illuminate at least a portion of a target. The optical system can cause an irradiation energy transferred to the focal region of the laser beam(s) to (i) generate a plasma in a first region of the tissue adjacent to the target, and (ii) avoid a generation of a plasma in a second region of the tissue. The optical system has a numerical aperture that is in the range of about 0.5 to about 0.9. An exemplary method can also be provided to control such treatment system.Type: GrantFiled: October 12, 2021Date of Patent: November 28, 2023Assignees: The General Hospital Corporation, Blossom Innovations, LLCInventors: Richard Rox Anderson, Dieter Manstein, Henry Hin Lee Chan, Vincent Zuo
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Publication number: 20230277369Abstract: Cosmetic method and apparatus are provided that can provide cooling and/or freezing of skin tissue proximal to the skin surface to generate an appearance of lightening or reduced pigmentation in the skin. The skin can be cooled to a temperature of less than about -5° C. for a duration of about one minute or less, using a cooled surface that is at least 3 cm in width. A cooling arrangement can be provided to provide controlled heat removal from the skin tissue being treated. A sensor can optionally be provided to detect freezing of tissue proximal to the cooled surface.Type: ApplicationFiled: January 26, 2023Publication date: September 7, 2023Inventors: Richard Rox Anderson, Dieter Manstein, Henry Hin Lee Chan, Joseph Ting
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Patent number: 11590022Abstract: Cosmetic method and apparatus are provided that can provide cooling and/or freezing of skin tissue proximal to the skin surface to generate an appearance of lightening or reduced pigmentation in the skin. The skin can be cooled to a temperature of less than about ?5 degrees Celsius for a duration of about one minute or less, using a cooled surface that is at least 3 cm in width. A cooling arrangement can be provided to provide controlled heat removal from the skin tissue being treated. A sensor can optionally be provided to detect freezing of tissue proximal to the cooled surface.Type: GrantFiled: December 4, 2017Date of Patent: February 28, 2023Assignee: The General Hospital CorporationInventors: Richard Rox Anderson, Dieter Manstein, Henry Hin Lee Chan, Joseph Ting
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Publication number: 20220133407Abstract: An exemplary treatment system can be provided which can include a laser system configured to emit at least one laser beam, and an optical system configured to focus the laser beam(s) to a focal region at a selected distance from a surface of a tissue. The focal region can be configured to illuminate at least a portion of a target. The optical system can cause an irradiation energy transferred to the focal region of the laser beam(s) to (i) generate a plasma in a first region of the tissue adjacent to the target, and (ii) avoid a generation of a plasma in a second region of the tissue. The optical system has a numerical aperture that is in the range of about 0.5 to about 0.9. An exemplary method can also be provided to control such treatment system.Type: ApplicationFiled: October 12, 2021Publication date: May 5, 2022Inventors: RICHARD ROX ANDERSON, DIETER MANSTEIN, HENRY HIN LEE CHAN, VINCENT ZUO
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Publication number: 20220022959Abstract: Exemplary methods and devices can be provided for improving the appearance of dermal melasma. This can be done, e.g., focusing electromagnetic radiation having a wavelength between about 600 nm and 850 nm into a region of the pigmented dermal tissue at a depth between about 150 and 400 microns, using a lens arrangement having a large numerical aperture between about 0.5 and 0.9. The exemplary local dwell time of the focused radiation can be less than a few milliseconds, and a local fluence provided in the focal region can be between about 50 and 500 J/cm2. The focal region can be scanned through the dermal tissue at speeds on the order of a few cm/s. Such parameters can provide sufficient energy absorption by pigmented cells in the dermis to disrupt them while avoiding damage to the overlying tissue and unpigmented dermal tissue.Type: ApplicationFiled: August 9, 2021Publication date: January 27, 2022Inventors: Richard Rox ANDERSON, Dieter MANSTEIN, Henry Hin Lee CHAN, Vincent ZUO
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Patent number: 11197776Abstract: Cosmetic method and apparatus are provided that can provide cooling and/or freezing of skin tissue proximal to the skin surface to generate an appearance of lightening or reduced pigmentation in the skin. The skin can be cooled to a temperature of less than about ?5 degrees Celsius for a duration of about one minute or less, using a plurality of cooled contact surfaces, each having a width between about 2 mm and about 20 mm. A cooling arrangement can be provided to provide controlled heat removal from the skin tissue being treated. A sensor can optionally be provided to detect freezing of tissue proximal to the cooled surfaces.Type: GrantFiled: May 21, 2018Date of Patent: December 14, 2021Assignee: The General Hospital CorporationInventors: Richard Rox Anderson, Dieter Manstein, Henry Hin Lee Chan, Joseph Ting
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Patent number: 11172987Abstract: An exemplary treatment system can be provided which can include a laser system configured to emit at least one laser beam, and an optical system configured to focus the laser beam(s) to a focal region at a selected distance from a surface of a tissue. The focal region can be configured to illuminate at least a portion of a target. The optical system can cause an irradiation energy transferred to the focal region of the laser beam(s) to (i) generate a plasma in a first region of the tissue adjacent to the target, and (ii) avoid a generation of a plasma in a second region of the tissue. The optical system has a numerical aperture that is in the range of about 0.5 to about 0.9. An exemplary method can also be provided to control such treatment system.Type: GrantFiled: April 12, 2021Date of Patent: November 16, 2021Assignees: The General Hospital Corporation, Blossom Innovations, LLCInventors: Richard Rox Anderson, Dieter Manstein, Henry Hin Lee Chan, Vincent Zuo
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Publication number: 20210298828Abstract: An exemplary treatment system can be provided which can include a laser system configured to emit at least one laser beam, and an optical system configured to focus the laser beam(s) to a focal region at a selected distance from a surface of a tissue. The focal region can be configured to illuminate at least a portion of a target. The optical system can cause an irradiation energy transferred to the focal region of the laser beam(s) to (i) generate a plasma in a first region of the tissue adjacent to the target, and (ii) avoid a generation of a plasma in a second region of the tissue. The optical system has a numerical aperture that is in the range of about 0.5 to about 0.9. An exemplary method can also be provided to control such treatment system.Type: ApplicationFiled: April 12, 2021Publication date: September 30, 2021Inventors: RICHARD ROX ANDERSON, DIETER MANSTEIN, HENRY HIN LEE CHAN, VINCENT ZUO
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Patent number: 11083523Abstract: Exemplary methods and devices can be provided for improving the appearance of dermal melasma. This can be done, e.g., focusing electromagnetic radiation having a wavelength between about 600 nm and 850 nm into a region of the pigmented dermal tissue at a depth between about 150 and 400 microns, using a lens arrangement having a large numerical aperture between about 0.5 and 0.9. The exemplary local dwell time of the focused radiation can be less than a few milliseconds, and a local fluence provided in the focal region can be between about 50 and 500 J/cm2. The focal region can be scanned through the dermal tissue at speeds on the order of a few cm/s. Such parameters can provide sufficient energy absorption by pigmented cells in the dermis to disrupt them while avoiding damage to the overlying tissue and unpigmented dermal tissue.Type: GrantFiled: August 11, 2014Date of Patent: August 10, 2021Assignee: THE GENERAL HOSPITAL CORPORATIONInventors: Richard Rox Anderson, Dieter Manstein, Henry Hin Lee Chan, Vincent Zuo
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Patent number: 11071587Abstract: Exemplary methods and devices can be provided for improving the appearance of dermal melasma. This can be done, e.g., focusing electromagnetic radiation having a wavelength between about 600 nm and 850 nm into a region of the pigmented dermal tissue at a depth between about 150 and 400 microns, using a lens arrangement having a large numerical aperture between about 0.5 and 0.9. The exemplary local dwell time of the focused radiation can be less than a few milliseconds, and a local fluence provided in the focal region can be between about 50 and 500 J/cm2. The focal region can be scanned through the dermal tissue at speeds on the order of a few cm/s. Such parameters can provide sufficient energy absorption by pigmented cells in the dermis to disrupt them while avoiding damage to the overlying tissue and unpigmented dermal tissue.Type: GrantFiled: May 2, 2019Date of Patent: July 27, 2021Assignee: The General Hospital CorporationInventors: Richard Rox Anderson, Dieter Manstein, Henry Hin Lee Chan, Vincent Zuo
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Patent number: 11039887Abstract: Exemplary methods and devices can be provided for improving the appearance of dermal melasma. This can be done, e.g., focusing electromagnetic radiation having a wavelength between about 600 nm and 850 nm into a region of the pigmented dermal tissue at a depth between about 150 and 400 microns, using a lens arrangement having a large numerical aperture between about 0.5 and 0.9. The exemplary local dwell time of the focused radiation can be less than a few milliseconds, and a local fluence provided in the focal region can be between about 50 and 500 J/cm2. The focal region can be scanned through the dermal tissue at speeds on the order of a few cm/s. Such parameters can provide sufficient energy absorption by pigmented cells in the dermis to disrupt them while avoiding damage to the overlying tissue and unpigmented dermal tissue.Type: GrantFiled: November 26, 2019Date of Patent: June 22, 2021Assignee: The General Hospital CorporationInventors: Richard Rox Anderson, Dieter Manstein, Henry Hin Lee Chan, Vincent Zuo
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Patent number: 10973578Abstract: An exemplary treatment system can be provided which can include a laser system configured to emit at least one laser beam, and an optical system configured to focus the laser beam(s) to a focal region at a selected distance from a surface of a tissue. The focal region can be configured to illuminate at least a portion of a target. The optical system can cause an irradiation energy transferred to the focal region of the laser beam(s) to (i) generate a plasma in a first region of the tissue adjacent to the target, and (ii) avoid a generation of a plasma in a second region of the tissue. The optical system has a numerical aperture that is in the range of about 0.5 to about 0.9. An exemplary method can also be provided to control such treatment system.Type: GrantFiled: December 22, 2017Date of Patent: April 13, 2021Assignees: The General Hospital Corporation, Blossom Innovations, LLCInventors: Richard Rox Anderson, Dieter Manstein, Henry Hin Lee Chan, Vincent Zuo
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Publication number: 20200163714Abstract: Exemplary methods and devices can be provided for improving the appearance of dermal melasma. This can be done, e.g., focusing electromagnetic radiation having a wavelength between about 600 nm and 850 nm into a region of the pigmented dermal tissue at a depth between about 150 and 400 microns, using a lens arrangement having a large numerical aperture between about 0.5 and 0.9. The exemplary local dwell time of the focused radiation can be less than a few milliseconds, and a local fluence provided in the focal region can be between about 50 and 500 J/cm2. The focal region can be scanned through the dermal tissue at speeds on the order of a few cm/s. Such parameters can provide sufficient energy absorption by pigmented cells in the dermis to disrupt them while avoiding damage to the overlying tissue and unpigmented dermal tissue.Type: ApplicationFiled: November 26, 2019Publication date: May 28, 2020Inventors: Richard Rox ANDERSON, Dieter MANSTEIN, Henry Hin Lee CHAN, Vincent Zuo
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Publication number: 20190374287Abstract: Exemplary methods and devices can be provided for improving the appearance of dermal melasma. This can be done, e.g., focusing electromagnetic radiation having a wavelength between about 600 nm and 850 nm into a region of the pigmented dermal tissue at a depth between about 150 and 400 microns, using a lens arrangement having a large numerical aperture between about 0.5 and 0.9. The exemplary local dwell time of the focused radiation can be less than a few milliseconds, and a local fluence provided in the focal region can be between about 50 and 500 J/cm2. The focal region can be scanned through the dermal tissue at speeds on the order of a few cm/s. Such parameters can provide sufficient energy absorption by pigmented cells in the dermis to disrupt them while avoiding damage to the overlying tissue and unpigmented dermal tissue.Type: ApplicationFiled: May 2, 2019Publication date: December 12, 2019Inventors: Richard Rox Anderson, Dieter Manstein, Henry Hin Lee Chan, Vincent Zuo
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Publication number: 20190029876Abstract: Cosmetic method and apparatus are provided that can provide cooling and/or freezing of skin tissue proximal to the skin surface to generate an appearance of lightening or reduced pigmentation in the skin. The skin can be cooled to a temperature of less than about ?5 degrees Celsius for a duration of about one minute or less, using a plurality of cooled contact surfaces, each having a width between about 2 mm and about 20 mm. A cooling arrangement can be provided to provide controlled heat removal from the skin tissue being treated. A sensor can optionally be provided to detect freezing of tissue proximal to the cooled surfaces.Type: ApplicationFiled: May 21, 2018Publication date: January 31, 2019Inventors: RICHARD ROX ANDERSON, Dieter Manstein, Henry Hin Lee Chan, Joseph Ting
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Publication number: 20180214300Abstract: Cosmetic method and apparatus are provided that can provide cooling and/or freezing of skin tissue proximal to the skin surface to generate an appearance of lightening or reduced pigmentation in the skin. The skin can be cooled to a temperature of less than about ?5 degrees Celsius for a duration of about one minute or less, using a cooled surface that is at least 3 cm in width. A cooling arrangement can be provided to provide controlled heat removal from the skin tissue being treated. A sensor can optionally be provided to detect freezing of tissue proximal to the cooled surface.Type: ApplicationFiled: December 4, 2017Publication date: August 2, 2018Inventors: RICHARD ROX ANDERSON, DIETER MANSTEIN, HENRY HIN LEE CHAN, JOSEPH TING
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Publication number: 20180177550Abstract: An exemplary treatment system can be provided which can include a laser system configured to emit at least one laser beam, and an optical system configured to focus the laser beam(s) to a focal region at a selected distance from a surface of a tissue. The focal region can be configured to illuminate at least a portion of a target. The optical system can cause an irradiation energy transferred to the focal region of the laser beam(s) to (i) generate a plasma in a first region of the tissue adjacent to the target, and (ii) avoid a generation of a plasma in a second region of the tissue. The optical system has a numerical aperture that is in the range of about 0.5 to about 0.9. An exemplary method can also be provided to control such treatment system.Type: ApplicationFiled: December 22, 2017Publication date: June 28, 2018Inventors: Richard Rox Anderson, Dieter Manstein, Henry Hin Lee Chan, Vincent Zuo
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Publication number: 20160199132Abstract: Exemplary methods and devices can be provided for improving the appearance of dermal melasma. This can be done, e.g., focusing electromagnetic radiation having a wavelength between about 600 nm and 850 nm into a region of the pigmented dermal tissue at a depth between about 150 and 400 microns, using a lens arrangement having a large numerical aperture between about 0.5 and 0.9. The exemplary local dwell time of the focused radiation can be less than a few milliseconds, and a local fluence provided in the focal region can be between about 50 and 500 J/cm2. The focal region can be scanned through the dermal tissue at speeds on the order of a few cm/s. Such parameters can provide sufficient energy absorption by pigmented cells in the dermis to disrupt them while avoiding damage to the overlying tissue and unpigmented dermal tissue.Type: ApplicationFiled: August 11, 2014Publication date: July 14, 2016Inventors: Richard Rox ANDERSON, Dieter MANSTEIN, Henry Hin Lee CHAN, Vincent ZUO
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Publication number: 20150223975Abstract: Exemplary apparatus and method can be provided for cooling a skin tissue. For example, it is possible to use a contact arrangement comprising a distal surface to contact a surface of the skin tissue, and also to utilize a cooling arrangement. The cooling arrangement can be configured to cool at least one portion of the contact arrangement to a temperature that is less than about ?4 degrees Celsius. The distal surface of the contact arrangement can comprise a plurality of dimples provided therein.Type: ApplicationFiled: February 12, 2015Publication date: August 13, 2015Inventors: RICHARD ROX ANDERSON, DIETER MANSTEIN, HENRY HIN LEE CHAN, VINCENT ZUO, JOSEPH TING