[특허]Skin treating device comprising a protected radiation exit opening

Koninklijke Philips Electronics N.V.

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Skin treating device comprising a protected radiation exit opening

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-018/18
미국특허분류(USC)	606/009; 606/010; 606/012
출원번호	US-0109774 (2002-03-29)
우선권정보	EP-0201191 (2001-03-30)
발명자 / 주소	Cense, Abraham Josephus Simonsen, Jan Roersma, Michiel Errit Schlangen, Lucas Josef Maria Nuijs, Antonius Maarten
출원인 / 주소	Koninklijke Philips Electronics N.V.
인용정보	피인용 횟수 : 28 인용 특허 : 7

초록

A device treats skin by radiation. The device has a housing accommodating a radiation source and having an exit opening for the radiation. The device activates the radiation source only if the presence of skin immediately in front of the exit opening is detected. The radiation source cannot be activated if the exit opening is not covered.

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1. A device for treating skin by means of radiation, which device comprises a housing, which accommodates a radiation source and which is provided with an exit opening for the radiation, a detector for detecting the presence of skin directly in front of the exit opening, and a control unit capable of activating the radiation source, wherein the detector is configured to measure a value or condition of a biophysical property in an area directly in front of the exit opening, the control unit comprising a comparator for comparing the value or condition of the property, measured by said detector, with a skin-characteristic value or condition of the property and being enabled to activate the radiation source only if the skin-characteristic value or condition is found,wherein the housing comprises a skin contact element in which the exit opening is formed and in which said detector is provided near the exit opening, andwherein the detector is provided with a light sensor and a light source for light of a predetermined wavelength, which light source is arranged next to the light sensor and optically separated at the skin contact element from said light sensor, the skin contact element adapted to be in contact with the skin during operation of the device and the light source and the light sensor configured to be in contact with the skin only if the skin contact element is in contact with the skin, the detector determining a scattering coefficient and/or absorption coefficient by comparing an amount of light measured by the light sensor with an amount of light generated by the light source.2. A device as claimed in claim 1, wherein the detector is provided with a further light source for light of a further, predetermined wavelength, which light source is also arranged next to the light sensor, optically separated from said light sensor and configured to be in contact with the skin only if the skin contact element is in contact with the skin, the detector determining the scattering coefficient and/or absorption coefficient for both wavelengths by comparing the amounts of light measured by the light sensor with the amounts of light generated by the two light sources.3. A device as claimed in claim 2, wherein the light source and the further light source are arranged on one side of the light sensor.4. A device as claimed in claim 1, wherein the light source is a LED, and the light sensor is a photodiode.5. A device for treating skin comprising:a housing having an exit opening;a radiation source accommodated in the housing and positioned to emit radiation through the exit opening;a control unit capable of controlling the radiation source, the control unit comprising a comparator and a program storage device tangibly embodying a program of instructions executable by the comparator;a detector enabled to measure a value or condition of a biophysical property of the skin opposite the exit opening and transmit to the control unit a signal corresponding to the measured biophysical property;the control unit being capable of receiving the signal corresponding to the measured value or condition, and the comparator and the program of instructions being configured to compare the measured value or condition, with a skin-characteristic value or condition of the biophysical property,the control unit being enabled to activate the radiation source only if the measured value or condition corresponds to the skin-characteristic value or condition of the biophysical property.6. A device as claimed in claim 5, wherein the housing comprises a skin contact element in which the exit opening is formed and in which said detector is provided near the exit opening.7. A device as claimed in claim 6, wherein the detector is one of a series of detectors provided in the skin contact element around the exit opening, the series of detectors being enabled to measure the value or condition of the biophysical property of the skin and transmit to the control unit the signal corresponding to the measured biophysical property.8. A device as claimed in claim 6, wherein the detector is provided with a light sensor and a light source for light of a predetermined wavelength, which light source is arranged next to the light sensor and optically separated from said light sensor, the light source and the light sensor configured to be in contact with the skin only if the skin contact element is in contact with the skin, and the detector tangibly embodying a second program of instructions to determine a scattering coefficient and/or absorption coefficient by comparing an amount of light measured by the light sensor with an amount of light generated by the light source.9. A device as claimed in claim 8, wherein the detector is provided with a further light source for light of a further, predetermined wavelength, which light source is also arranged next to the light sensor, optically separated from said light sensor and configured to be in contact with the skin only if the skin contact element is in contact with the skin, the detector tangibly embodying a second program of instructions to determine the scattering coefficient and/or absorption coefficient for both wavelengths by comparing the amounts of light measured by the light sensor with the amounts of light generated by the two light sources.10. A device as claimed in claim 9, wherein the light source and the further light source are arranged on one side of the light sensor.11. A device as claimed in claim 8, wherein the light source is a LED, and the light sensor is a photodiode.12. A device as claimed in claim 6, wherein the detector is provided with a light sensor and a light source for light of a predetermined wavelength, which light source is arranged next to the light sensor and optically separated from said light sensor, the light source and the light sensor being situated at a predetermined distance from the skin only if the skin contact element is in contact with the skin, and the detector determining the reflection coefficient by comparing an amount of light measured by the light sensor with an amount of light generated by the light source.13. A device as claimed in claim 5, wherein the measured value or condition of the biophysical property is a scattering coefficient and/or an absorption coefficient of the skin for light of a predetermined wavelength.14. A device as claimed in claim 5, wherein the detector tangibly embodies a second program of instructions to determine a reflection coefficient of the skin for light of a predetermined wavelength.15. A device as claimed in claim 5, wherein the device is a hair removing device, wherein the radiation source comprises a laser source, and the device is further provided with an adjustable laser beam manipulator for positioning a laser beam supplied, in operation, by the laser source in a target position on the skin to be treated.16. A device as claimed in claim 5, wherein the device is a hair removing device, wherein the radiation source comprises a flashlight for generating light pulses, and the device is further provided with a directing element for directing the light pulses to the exit opening.17. A device for treating skin comprising:a housing comprising a skin contact element in which an exit opening is formed;a radiation source accommodated in the housing and positioned to emit radiation through the exit opening;a control unit capable of controlling the radiation source, the control unit comprising a comparator and a program storage device tangibly embodying a program of instructions executable by the comparator;the skin contact element comprising two or more detectors enabled to measure a value or condition of a biophysical property of the skin and transmit to the control unit one or more signals corresponding to the measured biophysical property;the control unit being capable of receiving the one or more signals corresponding to the measured value or condition, and the comparator and the program of instructions being configured to compare the measured value or condition, with a skin-characteristic value or condition of the biophysical property,the control unit enabled to activate the radiation source only if the measured value or condition corresponds to the skin-characteristic value or condition of the biophysical property.

이 특허에 인용된 특허 (7)

이 특허를 인용한 특허 (28)

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특허 상세정보

Skin treating device comprising a protected radiation exit opening

초록

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이 특허에 인용된 특허 (7)

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특허 상세정보

Skin treating device comprising a protected radiation exit opening

초록

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이 특허에 인용된 특허 (7)

이 특허를 인용한 특허 (28)

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IPC 상세정보(version : 201201)

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