Abstract: According to an aspect, there is provided a computer-implemented method (200) for generating a treatment instruction, the method (200) comprising: receiving (202) first image data relating to the skin of a subject; obtaining (204), based on the first image data, an indication of a location of one or more features of the subject; generating (206), based on the first image data, an initial map of the skin of the subject including the location of the identified features; receiving (208) second image data relating to the skin of the subject during a current treatment session; determining (210), based on the second image data, a treatment parameter relating to a treatment performed in respect of the skin of the subject; generating (212), based on the initial map and the treatment parameter, an updated map of the skin of the subject; and generating (214), based on the updated map, a treatment instruction for delivery to a recipient device.

Abstract: According to an aspect, there is provided an apparatus (10) for moderating a skin lesion detection model (30). The apparatus (10) comprising a processor (12) and a memory (11). The processor (12) is configured to: receive user data (13) associated with a user; receive an output of the skin lesion detection model (14); modify the output of the skin lesion detection model (14) in accordance with the user data (13) to provide a modified output (15) indicative of skin lesion detection for the user; and output the modified output (15).

Abstract: According to an aspect, there is provided a hand-held skin treatment device (2) for applying light to skin of a subject to perform a treatment operation.

Abstract: A hair cutting device for cutting hair on a body of a subject includes a light source for generating laser light at one or more specific wavelengths corresponding to wavelengths absorbed by one or more chromophores in hair; and a cutting element that has an optical waveguide that is coupled to the light source to receive laser light. A portion of a side wall of the optical waveguide forms a cutting face for contacting hair where, at least at the cutting face, the optical waveguide has a refractive index that is equal to or lower than the refractive index of hair and higher than the refractive index of skin.

Abstract: According to an aspect, there is provided a handheld device (2) for applying energy pulses to skin (17) of a subject to perform a treatment operation as the handheld device is moved across the skin, the handheld device comprising: an aperture (6) that is to be placed adjacent to the skin; at least one energy source (8) for generating an energy pulse and for providing the energy pulse through the aperture to perform the treatment operation on 5 skin adjacent the aperture, wherein the at least one energy source has a minimum pulse repetition period following the generation of an energy pulse before a subsequent energy pulse can be generated; a first skin property sensor (14) for measuring a skin property and for outputting a first measurement signal representing measurements of the skin property at a first sensing position (24), wherein the skin property is a property that changes in response to the application of an energy pulse to the skin, and wherein the first sensing position is in front of the aperture re

Abstract: According to an aspect, there is provided a treatment device for performing a treatment operation on or to a subject. The treatment device comprises: an optical diffuser arranged on the treatment device such that an outer surface of the optical diffuser is proximate to, or in contact with, skin of the subject when the treatment device is to be used to perform the treatment operation; and an imaging unit for obtaining one or more images using light passing through the optical diffuser into the treatment device; wherein the treatment device is further configured for providing one or more images to a processing unit for determination of whether the treatment device is in contact with the skin.

Abstract: There is provided an apparatus comprising: a base substrate and a component substrate having at least two electronic components arranged thereon. At least one aperture is formed through an entire thickness of the component substrate. The at least one aperture is formed in an interspace between the at least two electronic components. The component substrate is coupled to the base substrate using a solder joint. Each of the at least two electronic components may comprise a light emitting diode element. A method of manufacturing an apparatus is also disclosed.

Abstract: A hair cutting device for cutting hair on a body of a subject includes a light source for generating laser light at one or more specific wavelengths corresponding to wavelengths absorbed by one or more chromophores in hair; and a cutting element that has an optical waveguide that is coupled to the light source to receive laser light. A portion of a side wall of the optical waveguide forms a cutting face for contacting hair where, at least at the cutting face, the optical waveguide has a refractive index that is equal to or lower than the refractive index of hair and higher than the refractive index of skin.

Abstract: A hair cutting device for cutting hair on a body of a subject includes a light source for generating laser light at one or more specific wavelengths corresponding to wavelengths absorbed by one or more chromophores in hair; and a cutting element that has an optical waveguide that is coupled to the light source to receive laser light. A portion of a side wall of the optical waveguide forms a cutting face for contacting hair where, at least at the cutting face, the optical waveguide has a refractive index that is equal to or lower than the refractive index of hair and higher than the refractive index of skin.

Abstract: The present application relates to an optical system (1) comprising a plurality of optical components, a pulse generating arrangement (3) configured to generate a treatment pulse along a treatment pulse optical path through said optical components, said pulse generating arrangement also being configured to generate a probe pulse along a probe pulse optical path extending through said optical components, a sensor (8) configured to generate information indicative of an optical characteristic of said probe pulse that has passed along said probe pulse optical path through said optical components, and a controller (5) configured to control said pulse generating apparatus (3) to selectively emit said treatment pulse along said treatment pulse optical path (2), in dependence on the information generated by the sensor (8).

Abstract: There is provided a hair cutting device for cutting hair on a body of a subject, the hair cutting device comprising a light source for generating light at one or more specific wavelengths corresponding to wavelengths absorbed by one or more chromophores in or on hair; a cutting element that comprises an optical waveguide that is coupled at a first end to the light source to receive light, wherein a portion of a sidewall of the optical waveguide forms a cutting face for contacting hair; a light sensor that is coupled to the optical waveguide away from the first end, wherein the light sensor is for measuring the light level in the optical waveguide and for providing an output signal representing the measured light level; and a control unit that is coupled to the light source, and coupled to the light sensor to receive the output signal, wherein the control unit is configured to determine a measure of the amount of input light transmitted across the optical waveguide from the measured light level and an input li

Abstract: According to an aspect, there is provided a handheld device (2) for applying energy pulses to skin (17) of a subject to perform a treatment operation as the handheld device is moved across the skin, the handheld device comprising: an aperture (6) that is to be placed adjacent to the skin; at least one energy source (8) for generating an energy pulse and for providing the energy pulse through the aperture to perform the treatment operation on 5 skin adjacent the aperture, wherein the at least one energy source has a minimum pulse repetition period following the generation of an energy pulse before a subsequent energy pulse can be generated; a first skin property sensor (14) for measuring a skin property and for outputting a first measurement signal representing measurements of the skin property at a first sensing position (24), wherein the skin property is a property that changes in response to the application of an energy pulse to the skin, and wherein the first sensing position is in front of the aperture re

Abstract: There is provided a cutting assembly for use in a hair cutting device. The cutting assembly comprises an optical waveguide having a sidewall corresponding to a long edge of said optical waveguide. A portion of the sidewall forms a cutting face for contacting hair. The optical waveguide is moveable between a first, retracted position and a second, extended position. During use the cutting edge is arranged to be in contact with the hair in the extended, and not to be in contact with hair in the retracted position. The cutting assembly further comprises a movement mechanism for effecting cyclic movement of the optical waveguide between the retracted position and the extended position. A hair cutting device is also provided.

Abstract: There is provided a hair cutting device for cutting hair on a body of a subject. The hair cutting device comprises at least one light source for generating laser light at two or more specific wavelengths corresponding to wavelengths absorbed by one or more chromophores in hair; and a cutting element comprising an optical waveguide for receiving light from the at least one light source. The optical waveguide comprises a cutting face, the cutting face being arranged to contact hair as the hair cutting device is moved across the skin of the body of a subject. The cutting face is arranged essentially parallel to the long axis of the optical waveguide. The optical waveguide is arranged to allow the light generated by the at least one light source to couple into hair when hair is close to or in contact with the optical waveguide. The at least one light source is configured to generate laser light having a first wavelength and a series of pulses of laser light having a second wavelength.

Abstract: There is provided a cutting element for use in a hair cutting device. The cutting element comprises an optical waveguide having a sidewall, wherein a portion of the sidewall forms a cutting face for contacting hair. The optical waveguide includes a plurality of optical structures spaced along its length, the optical structures being configured to reflect light at one or more wavelengths. When broadband light is directed along the optical waveguide the optical waveguide is such that: if the cutting face of the optical waveguide in is not in contact with a target object, then each of the plurality of optical structures reflects light having a first wavelength; and if the cutting face of the optical waveguide is in contact with a target object, then at least one of the optical structures reflects light having a second wavelength different to the first wavelength. A hair cutting device comprising the cutting element and a method of operating the hair cutting device are also provided.

Abstract: There is provided a hair cutting device for cutting hair on a body of a subject, the hair cutting device comprising a light source for generating light at one or more specific wavelengths corresponding to wavelengths absorbed by one or more chromophores in or on hair; a cutting element that comprises an optical waveguide that is coupled at a first end to the light source to receive light, wherein a portion of a sidewall of the optical waveguide forms a cutting face for contacting hair; a light sensor that is coupled to the optical waveguide away from the first end, wherein the light sensor is for measuring the light level in the optical waveguide and for providing an output signal representing the measured light level; and a control unit that is coupled to the light source, and coupled to the light sensor to receive the output signal, wherein the control unit is configured to determine a measure of the amount of input light transmitted across the optical waveguide from the measured light level and an input li

Abstract: According to an aspect, there is provided a hand-held skin treatment device (2) for applying light to skin of a subject to perform a treatment operation.

Abstract: There is provided an apparatus comprising: a base substrate and a component substrate having at least two electronic components arranged thereon. At least one aperture is formed through an entire thickness of the component substrate. The at least one aperture is formed in an interspace between the at least two electronic components. The component substrate is coupled to the base substrate using a solder joint. Each of the at least two electronic components may comprise a light emitting diode element. A method of manufacturing an apparatus is also disclosed.

Abstract: A hair cutting device for cutting hair on a body of a subject includes a laser light source, and a light guiding element for guiding light from the light source to the cutting element. The cutting element includes an optical waveguide for receiving light from the light guiding element. The light guiding element has a tapered section in which a diameter of the light guiding element reduces from a light source side diameter to a cutting element side diameter. A portion of a sidewall of the optical waveguide of the cutting element forms a cutting face for contacting hair.

Abstract: A light based skin treatment device (10, 20) is provided, comprising a light source (18) for providing an incident light beam (21) for treating a skin (30) by laser induced optical breakdown (LIOB) of hair or skin tissue, a transparent exit window (14) for allowing the incident light beam (21) to exit the device (10, 20), and an optical system for focusing the incident light beam (21) into a focal spot (221, 222) in the hair or skin tissue outside the skin treatment device (10, 20).