GB2496895A - Skin treatment apparatus - Google Patents

Skin treatment apparatus Download PDF

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Publication number
GB2496895A
GB2496895A GB1120381.7A GB201120381A GB2496895A GB 2496895 A GB2496895 A GB 2496895A GB 201120381 A GB201120381 A GB 201120381A GB 2496895 A GB2496895 A GB 2496895A
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GB
United Kingdom
Prior art keywords
text
radiation
control unit
parameter
skin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB1120381.7A
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GB201120381D0 (en
Inventor
Stuart Terry Jones
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cyden Ltd
Original Assignee
Cyden Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cyden Ltd filed Critical Cyden Ltd
Priority to GB1120381.7A priority Critical patent/GB2496895A/en
Publication of GB201120381D0 publication Critical patent/GB201120381D0/en
Priority to BR112014012565A priority patent/BR112014012565A2/en
Priority to JP2014542935A priority patent/JP6076368B2/en
Priority to EP12795042.6A priority patent/EP2782513B1/en
Priority to PCT/GB2012/052912 priority patent/WO2013076508A1/en
Priority to US14/360,703 priority patent/US9814904B2/en
Priority to CN201280067857.4A priority patent/CN104125812B/en
Publication of GB2496895A publication Critical patent/GB2496895A/en
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N5/0613—Apparatus adapted for a specific treatment
    • A61N5/0616—Skin treatment other than tanning
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B18/203—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser applying laser energy to the outside of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N5/0613—Apparatus adapted for a specific treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00452—Skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00642—Sensing and controlling the application of energy with feedback, i.e. closed loop control
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00696—Controlled or regulated parameters
    • A61B2018/00702—Power or energy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00696—Controlled or regulated parameters
    • A61B2018/00726—Duty cycle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00696—Controlled or regulated parameters
    • A61B2018/00732—Frequency
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00779—Power or energy
    • A61B2018/00785—Reflected power
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/04—Constructional details of apparatus
    • A61B2560/0456—Apparatus provided with a docking unit
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0626—Monitoring, verifying, controlling systems and methods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0635—Radiation therapy using light characterised by the body area to be irradiated
    • A61N2005/0643—Applicators, probes irradiating specific body areas in close proximity
    • A61N2005/0644—Handheld applicators

Abstract

The apparatus 10 comprises a source of treatment radiation which is arranged to generate radiation at one of a plurality of radiation parameters (such as power levels, duration), a control unit 40 and a base unit 30. The control unit 40 is arranged to removably dock with the base unit 30 and comprises a sensor which can detect one of a plurality of skin parameters, and an actuator 41 for enabling a user to interface with the control unit 40. The control unit 40 operates in a sensing mode, in which the control unit 40 is undocked from the base unit 30 to sense a parameter of skin to be treated (such as skin tone, thickness or oiliness), and a control mode in which the control unit 40 is docked to the docking unit 30 and is arranged to select the power level of the radiation generated by the source.

Description

Skin treatment apparatus The present invention relates to skin treatment apparatus, and methods of use thereof.
It is known to treat skin (for example, for cosmetic purposes such as depilation, minimisation of skin blemishes or skin rejuvenation, as well as for dermatological treatment of skin conditions such as acne or rosacea) by exposing the skin to controlled dosages of optical radiation, such as high intensity broadband light pulses. This procedure generally involves radiation spanning substantially the entire visible spectrum, using dosages determined by a combination of energy intensity and pulse duration.
Apparatus used to treat skin using IPL is now increasingly available for use by the general public, with the result that there is a requirement to avoid misuse of such apparatus through misunderstanding or abuse.
We have now devised an improved skin treatment apparatus.
In accordance with the present invention as seen from a first aspect, there is provided skin treatment apparatus, the apparatus comprising a source of skin treatment radiation which is arranged to generate radiation comprising at least one variable radiation parameter, a control unit for controlling a magnitude of the at least one radiation parameter, and a base unit to which the control unit may be removably docked, the control unit comprising a sensor for sensing a measurable skin parameter, and an actuator for enabling a user to interface with the control unit, the control unit being configured to operate in respective sensing and control modes, wherein in the sensing mode the control unit is undocked from the base unit and the sensor can sense the measurable parameter of the skin, and wherein in the control mode the control unit is docked to the base unit and arranged to control operation of the source of skin treatment radiation in dependence of the sensed skin parameter.
The measurable skin parameter being sensed is typically the degree of pigmentation (also known as skin tone), which may be categorised in a well known scale which ranges from 1 (for light skinned North European) to 6 (for very dark-skinned Afro-Caribbean).
Alternatively, or in addition thereto, the measurable skin parameter may, for example, be a thickness of one or more layers of the skin, a measure of the skin's oiliness, or a parameter of blood in a skin layer.
The at least one variable radiation parameter may comprise a power ot the radiation and/or a duration of the applied radiation, such as a pulse duration, and/or a frequency of the applied duration, such as a pulse frequency, which is output from the source.
Preferably, the control unit is further arranged to select the magnitude of the radiation parameter when operating in the control mode. The control unit may be arranged to inhibit operation of the source of radiation in the event that a sensed skin parameter falls outside a predetermined range and/or to limit the magnitude of the radiation parameter according to the sensed skin parameter.
Accordingly, the control unit may be advantageously used for both for the sensing of the skin parameter and for the selection of the magnitude of the radiation parameter, such as the radiation power, and therefore can be used to establish an ordered sequence of steps that a user must perform before treatment may be applied to skin. For example, the selection of the radiation power (that is, the output power) may be performed by appropriate selection of the electrical power input.
The control unit preferably further includes a first memory for storing the sensed skin parameter. Preferably, the base unit comprises a second memory and the sensed skin parameter is downloadable from the control unit to the second memory when the control unit is docked. In this manner, the base unit can store the sensed parameter of the skin to be treated, and the stored parameter can be arranged to limit the magnitude of the radiation parameter, such as the power of radiation which is generated by the radiation source (thus serving to minimise overexposure of the user's skin to radiation, for example). Alternatively, or in addition thereto, the stored parameter may be used to limit the duration of applied radiation, such as a pulse duration for example.
In an embodiment of the present invention, the control unit is preferably arranged to select a maximum permissible parameter of radiation, such as power, to be generated from the radiation source, in dependence of the sensed measurable skin parameter, such as skin tone.
Preferably, the radiation source is arranged to generate radiation corriprising a plurality of radiation parameter magnitudes, and the actuator is such that the radiation parameter magnitude can be selectably reduced from a predetermined maximum (as determined by the measured skin parameter), when a user actuates the actuator and the control unit is docked (in the control mode). The actuator is preferably arranged such that when sequentially actuated in the control mode, it selects progressively lower parameter magnitudes. Once the lowest parameter magnitude has been selected, further actuation of the actuator preferably resets the parameter magnitude to a predetermined maximum In this respect, a user is permitted to select a lower power level, for example, than that appropriate for a relevant skin tone, but is prevented from selecting a higher power level which might otherwise have led to an overexposure of the skin.
The apparatus preferably further comprises a timer or timing circuit for preventing generation of radiation from the source in the event that the radiation source is not activated within a pre-determined time following the sensing of the skin parameter or docking of the control unit with the base unit. The timer or timing circuit preferably also prevents subsequent generation of radiation after a further pre-determined time has elapsed following such activation.
The control unit preferably includes a graded screen or a plurality of indicators, such as a series of individual lights (for example, a series of light emitting diodes), for indicating the selected magnitude of the radiation parameter, such as the power of radiation to be generated by the source. When individual lights are used, the particular number of the light in the sequence may be indicative of the relevant magnitude. When a graded screen is used, the colour on the screen may be used to indicate the relevant magnitude.
Preferably, the source of treatrrient radiation comprises an optical source, such as a source of broadband radiation. The latter is sometimes referred to as an "intense pulsed light" (IPL) system, which operates over substantially over the entire visible spectrum (although sometimes it may be desirable to filter out part only of that broadband white light spectrum).
The source of treatment radiation is preferably provided within a hand held unit, which is removably coupled to the base unit separately from the control unit. The source of radiation preferably comprises a source of optical radiation, and is preferably removably located within the hand held unit.
The present invention further provides a method of operating skin treatment apparatus according to the invention, the method comprising the steps of: -removing the control unit from the base unit; -using the sensor provided in the control unit to sense the measurable parameter of skin to be treated; -docking the control unit to the base unit; and, -controlling operation of the source of skin treatment radiation in dependence of the sensed skin parameter.
The method preferably further comprises using the control unit to select a magnitude of the variable parameter of radiation to be generated from the source.
In an embodiment of the present invention, the method further comprises limiting the maximum power level of the radiation to be generated by the source, depending on the sensed skin parameter. The method preferably further comprises selectively reducing the power of the radiation to be generated by the radiation source to a level below the maximum level.
The method preferably further comprises activating the radiation source to generate radiation therefrom. Preferably, the method further comprises preventing radiation from being generated from the source in the event that the radiation source is not activated within a pre-determined time following the sensing of the measurable skin parameter or docking of the control unit with the base unit.
After any initial activation of the radiation source, then it is preferred to positively prevent further activation if the source is not activated within a pre-determined time from the initial activation.
The present invention further provides a skin treatment procedure, which comprises carrying out the method according to the invention and using the radiation source in the apparatus to treat skin, typically for cosmetic purposes.
Specifically, the skin treatment may be for the purposes of depilation, for other cosmetic purposes such as treatment of birth marks or rejuvenation of collagen, or for such medical purposes as treatment of acne, rosaceae or the like.
An embodiment of the present invention will now be described, by way of example only, and with reference to the accompanying drawings, in which: Figure 1 is a schematic illustration of a skin treatment apparatus according to an embodiment of the present invention with the control unit docked to the base unit; Figure 2 is a schematic illustration of the skin treatment apparatus of Figure 1, with the control unit removed from the base unit; Figure 3 is a schematic exemplary circuit diagram suitable for use in the skin treatment apparatus illustrated in Figure 1; and, Figure 4 is a schematic illustration of a method of operating skin treatment apparatus in a sequence of operations according to the invention.
Referring to Figures 1 to 3 of the drawings, there is illustrated skin treatment apparatus according to an embodiment of the present invention for treating skin disorders and conditions, or for cosmetic purposes such as depilation. The apparatus 10 comprises a source of treatment radiation, such as a discharge lamp 21, which is arranged to generate high intensity pulses of optical radiation. The lamp 21 is provided within a hand held illumination unit 20 so that the lamp 21 may be suitably positioned adjacent the desired area of skin to be treated. The hand held unit 20 further comprises an actuator, such as a trigger 22, which may be pressed to activate the source and thus cause radiation to be emitted therefrom.
The apparatus 10 further comprises a base unit 30 and a control unit 40 which is arranged to removably dock with the base unit 30. The control unit 40 is arranged to operate in one of two distinct modes, depending on whether the control unit 40 is docked or undocked with the base unit 30. When undocked from the base unit 30, the control unit 40 is arranged to operate in a sensing mode and to determine a measurable parameter of the skin to be treated, such as a skin tone or colour, a skin depth, or a level of oiliness of the skin, for example. When docked with the base unit 30, the control unit is arranged to operate in a control mode for controlling a variable parameter of the radiation to be generated from the source. It is envisaged, that the variable radiation parameter may comprise one or more of a power level of the radiation which is to be generated by the lamp 21, a duration for which the source generates radiation once activated, such as a pulse duration, or a frequency of applications per activation, for example. For the purposes of the following description, the radiation parameter is considered to be a radiation power level, however, the skilled reader will recognise that alternative and/or additional radiation parameters may be used.
The control unit 40 comprises an actuator, such as a button 41 for enabling a user to interface and thus operate the control unit 40, and a sensor 42 for sensing the measurable skin parameter, such as a tone or colour of the skin to be treated The skilled reader will recognise that alternative or additional skin parameter may be sensed. The sensor 42 includes a transmitter 42a which is arranged to transmit sensing radiation through a window (not shown) of the control unit 40 onto the skin to be treated. The sensor 42 further includes a receiver 42b, such as a photodiode, which is arranged to receive radiation reflected from the skin surface. The intensity of the received radiation is found to be representative of the tone of the skin, for example a light skin tone will reflect more than a dark skin tone. The control unit 40 is arranged to process the intensity of the received radiation using a processor 43 provided therein, and to compare the intensity with a calibrated set of intensity measurements to determine the sensed skin tone, which is then stored in a memory 44 of the control unit 40.
The control unit 40 further comprises a plurality of indicators 45a-f, such as a plurality of light emitting diodes, the indicators being arranged to illuminate depending of the sensed skin tone and thereby to alert the user to the tone of skin sensed, and also a battery supply 46, such as a coin or disc battery, for powering the control unit 40 when undocked from the base unit 30.
The base unit 30 comprises a processor 31 for processing the information downloaded from the control unit 40, and the base unit 30 is powered from a mains supply 32. The base unit 30 further comprises an electrical supply, such as a capacitor 33 which is charged from the mains supply 32 and is arranged to power the discharge lamp 21 via a power cable 23. In this respect, the hand held unit 20 and base unit 30 are coupled via the power cable 23.
The base unit 30 further comprises a housing 34 having a recess 34a disposed therein for receiving the control unit 40. The recess 34a comprises a pair of contact pins 35 which are arranged to contact a pair of contact pads 47 provided upon the control unit 40, when the latter is docked. The contact pins 35 and pads 47 provide for communication of the control unit 40 with the base unit 30 and further provide power for the control unit 40 when docked with the base unit 30.
The high voltages associated with the capacitor 33 of the base unit 30 are separated from the control unit 40 by an interface unit 34, which interfaces the contact pins 35 with the electronic circuitry of the base unit 30. The interface unit 34 may comprise a circuit breaking facility, such as a residual current detector, such that in the event that the base unit 30 develops a fault, for example, then the large voltages and currents developed by the capacitor can be isolated from the control unit 40.
The base unit 30 as shown includes a further recess 34b for receiving the hand held unit 20. Magnets (not shown) may be provided to hold the respective control unit 40 and hand held unit 20 each within its respective recess 34a, 34b.
Referring to Figure 4 of the drawings, there is illustrated a rriethod 100 of operating a dermatological treatment apparatus, such as the above described treatment apparatus 10, according to an embodiment of the present invention. In treating a skin disorder, or rejuvenating skin, for example, the apparatus 10 is first switched on at step 101 via a switch (not shown) and the control unit 40 is removed from the base unit 30 at step 102 to remove the apparatus 10 from a power conservation or standby mode. After removal from the base unit 30, the control unit 40 operates in a sensing mode and is powered by the battery supply 45. The window (not shown) of the control unit 40 is subsequently placed over the area of the skin to be treated at step 103 and the button 41 pressed to cause sensing radiation to be emitted from the transmitter 42a in order to determine the parameter of the skin to be treated at step 104. Once a measurement has been made, a respective light emitting diode 45a-e illuminates at step 105 to give an indication of the sensed skin parameter, for example, the sensed skin tone. If an apparently invalid skin tone is sensed, then a corresponding light emitting diode 45f will illuminate to inform the user that a further measurement is required. For example, in the event that the sensed radiation is indicative of a too light or too dark skin tone, then the control unit 40 will illuminate the respective light emitting diode 4Sf. In the event that the user subsequently docks the control 40 unit to the base unit 30, namely without first obtaining a valid skin tone, then the control unit 40 will prevent the lamp 21 from generating radiation.
Upon obtaining a valid measurement of the skin parameter, such as skin tone, the control unit 40 is then docked to the base unit 30 at step 106 and the sensed skin tone is downloaded to the base unit 30 (via the contact pins 35 and pads 47) at step 107. The download process is arranged to take place automatically upon docking the control unit 40, but, it is to be appreciated that the download may, if wished, be initiated by the user by pressing the button 41, for example. The control unit 40 subsequently enters a control mode, in which the control unit 40 controls the parameter, such as the power, of radiation to be generated by the lamp 21. Upon receiving the measured skin parameter from the control unit 40, the processor 31 of the base unit 30 initiates charging of the capacitor 33 at step 108 to a level necessary to generate a pre-determined power of radiation from the lamp 21, corresponding to that needed for the respective treatment of that particular skin tone.
If wished, a user may reduce the charge on the capacitor 33 at step 109 and thus the power of radiation to be generated from the lamp 21, to a power level corresponding to a different (lower or lighter) skin tone, by pressing the button 41 on the control unit 40. The apparatus is such that each depression of the button 41 further reduces the power level, namely the radiation parameter which is indicated to the user via indicators 45a-e, until the lowest parameter value is selected. Upon further depressing of the button 41, the control unit 40 is arranged to return the radiation parameter to that corresponding to the sensed skin parameter.
Once the desired power level has been selected, the user removes the hand held unit 20 from the base unit 30 and positions the lamp 21 adjacent the area of the skin to be treated at step 110. The hand held unit 20 further includes a sensor 24 arranged to sense contact of the hand held unit 20 with the skin to be treated and a processor 25 associated with the unit 20 permits the lamp 21 to emit radiation only when the hand held unit 20 contacts the skin. Accordingly, upon suitably positioning the unit 20 adjacent the skin to be treated, the user subsequently presses the trigger 22 at step 111 disposed thereon to cause radiation to be emitted to treat the skin. Further treatment radiation may then be applied to neighbouring areas of skin as required, by repositioning the hand held unit 20 and further pressing the trigger 22. However, if no further activation of the lamp 21 is made within a predetermined time period, for example 3 minutes, then a further skin tone reading will need to be made with the control unit 40 and the control unit 40 will then need to be re-docked to the base unit 30, before a further application of radiation can be made.
Similarly, if the radiation source is not activated within a pro-determined time period, for example 10 minutes, of docking the control unit 40 with the base unit 30 following a measurement of a valid skin tone, then a further skin tone measurement will need to be made before any application of radiation can be made.
In an alternative embodiment, it is envisaged that the control unit 40 may be arranged to sense the skin parameter in a sensing mode, and upon obtaining a valid measurement of the skin parameter and subsequently docking the unit 40 to the base unit 30, the control unit 40 is arranged to simply generate radiation from the lamp 21 comprising the radiation parameter which corresponds to the measured skin parameter. In this embodiment, the control unit 40 is arranged to simply enable or disable (in the event that an invalid skin tone is measurement is obtained) the firing of the radiation from the lamp 21, rather than also enabling a user specified reduction in the power level.
It is envisaged that the lamp 21 used to generate the radiation, may be disposed within a cartridge (not shown) which may be removably coupled within the hand held unit 20.
Accordingly, once the discharge lamp 21 has reached the end of its useful life, the cartridge (not shown) and thus the lamp 21, may be readily replaced. In this respect, the control unit 30 further comprises an indicator 45g to alert the user of the number of applications remaining before the cartridge (not shown) requires replacing.

Claims (1)

  1. <claim-text>Claims 1. Skin treatment apparatus, comprising a source of skin treatment radiation which is arranged to generate radiation comprising at least one variable radiation parameter, a control unit for controlling a magnitude of the at least one variable radiation parameter, and a base unit to which the control unit may be removably docked, the control unit comprising a sensor for sensing a measurable skin parameter, and an actuator for enabling a user to interface with the control unit, the control unit being configured to operate in respective sensing and control modes, wherein in the sensing mode the control unit is undocked from the base unit and the sensor can sense the measurable parameter of the skin, and wherein in the control mode the control unit is docked to the base unit and arranged to control operation of the source of skin treatment radiation in dependence of the sensed skin parameter.</claim-text> <claim-text>2. Apparatus according to claim 1, wherein the control unit can select the magnitude of the radiation parameter when operating in the control mode.</claim-text> <claim-text>3. Apparatus according to claim 2, wherein the control unit is arranged to select a maximum permissible magnitude of radiation to be generated from the radiation source in dependence of the sensed skin parameter.</claim-text> <claim-text>4. Apparatus according to claim 3, wherein the radiation source is arranged to generate radiation comprising a plurality of radiation parameter magnitudes, and the actuator is such that the radiation permissible magnitude can be selectably reduced from the maximum parameter magnitude when a user actuates the actuator and the control unit is docked to the base unit.</claim-text> <claim-text>5. Apparatus according to claim 4, wherein the actuator is arranged that when sequentially actuated, the actuator selects progressively lower parameter magnitudes.</claim-text> <claim-text>6. Apparatus according to claim 5, which is arranged such that once the lowest parameter magnitude has been selected further actuation of the actuator resets the parameter magnitude to the predetermined maximum permissible parameter magnitude.</claim-text> <claim-text>7. Apparatus according to any preceding claim, wherein the control unit comprises a first memory for storing the sensed skin parameter.</claim-text> <claim-text>8. Apparatus according to claim 8, wherein the base unit includes a second memory and the sensed skin parameter is downloadable from the control unit to the first memory when the control unit is docked to the base unit.</claim-text> <claim-text>9. Apparatus according to any preceding claim, wherein the control unit further comprises a plurality of indicators for indicating the magnitude of the parameter of the radiation to be generated by the radiation source.</claim-text> <claim-text>10. Apparatus according to any preceding claim, wherein the radiation source is in a hand held unit, which is removably coupled to the base unit.</claim-text> <claim-text>11. Apparatus according to any of claims 1 to 11, further comprising a timing circuit for preventing generation of radiation from the source in the event that the radiation source is not activated within a pre-determined time following the docking of the control unit to the base unit.</claim-text> <claim-text>12. Apparatus according to any preceding claim, wherein the variable radiation parameter comprises radiation power which is output from the source.</claim-text> <claim-text>13. Apparatus according to any preceding claim, wherein the measurable skin parameter comprises one or more of skin tone, skin thickness and skin oiliness.</claim-text> <claim-text>14. A method of operating skin treatment apparatus according to any of claims 1 to 13, the method comprising the steps of: -removing the control unit from the base unit; -using the sensor provided in the control unit to sense the measurable parameter of skin to be treated; -docking the control unit to the base unit; and -controlling operation of the source of treatment radiationdepending on the sensed skin parameter.</claim-text>
GB1120381.7A 2011-11-25 2011-11-25 Skin treatment apparatus Withdrawn GB2496895A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB1120381.7A GB2496895A (en) 2011-11-25 2011-11-25 Skin treatment apparatus
BR112014012565A BR112014012565A2 (en) 2011-11-25 2012-11-23 skin care apparatus and method of operating skin care apparatus
JP2014542935A JP6076368B2 (en) 2011-11-25 2012-11-23 Skin treatment equipment
EP12795042.6A EP2782513B1 (en) 2011-11-25 2012-11-23 Skin treatment apparatus
PCT/GB2012/052912 WO2013076508A1 (en) 2011-11-25 2012-11-23 Skin treatment apparatus
US14/360,703 US9814904B2 (en) 2011-11-25 2012-11-23 Skin treatment apparatus
CN201280067857.4A CN104125812B (en) 2011-11-25 2012-11-23 Skin treatment apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1120381.7A GB2496895A (en) 2011-11-25 2011-11-25 Skin treatment apparatus

Publications (2)

Publication Number Publication Date
GB201120381D0 GB201120381D0 (en) 2012-01-11
GB2496895A true GB2496895A (en) 2013-05-29

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GB1120381.7A Withdrawn GB2496895A (en) 2011-11-25 2011-11-25 Skin treatment apparatus

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US (1) US9814904B2 (en)
EP (1) EP2782513B1 (en)
JP (1) JP6076368B2 (en)
CN (1) CN104125812B (en)
BR (1) BR112014012565A2 (en)
GB (1) GB2496895A (en)
WO (1) WO2013076508A1 (en)

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WO2015082928A3 (en) * 2013-12-04 2015-07-30 Ipulse Limited Skin treatment apparatus utilising intense pulsed light (ipl)

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