Multi-head skin treatment device

Abstract

The preset invention discloses a handheld device for providing skin treatment, preferably a type of noninvasive skin treatment, using at least one of a set of predetermined treatment protocols comprising: - a main body comprising: - a power source, - a user interface, and - a device treatment interface comprising at least one device light source and at least one device electrode at a device treatment surface of the device, - a device attachment interface comprising electric device contacts for providing a device attachment feature for an exchangeable head unit to be powered and / or controlled by means of the electronic contacts.

Description

MULTI-HEAD SKIN TREATMENT DEVICE

[0001] The present invention relates to the field of skin treatment, and more particularly, to a device using multi head providing simultaneously multi functionality of led and electrodes. A skin treatment device to provide noninvasive skin treatment is in itself known for a number of treatment options. However, it has been a problem to provide a dimension to such device to use it for different parts of the human body. The face has a number of skin surface areas at which preferred skin treatments are to be used that are small areas or relatively curved areas. For such curved areas a device with a relatively large treatment surface has been awkward to use. However, for areas that are relatively large with a relatively limited curvature, a device with a relatively large treatment surface area have to be used repetitiously in order to achieve sufficient treatment.In order to provide an improvement to such art, the present invention provides a Handheld device for providing skin treatment, preferably a type of noninvasive skin treatment, using at least one of a set of predetermined treatment protocols comprising:- a main body comprising:- a power source,- a user interface, and- a device treatment interface comprising at least one device light source and at least one device electrode at a device treatment surface of the device,- a device attachment interface comprising electric device contacts for providing a device attachment feature for an exchangeable head unit to be powered and / or controlled by means of the electronic contacts. It is an advantage of such a device that a relatively small device treatment interface such as with a relatively small device treatment surface may be provided while application may be made of the device attachment interface to have the said exchangeable head unit to augment the device to include a respective head unit treatment interface such as with a relatively large or an additional head unit treatment surface in order to provide both improved or optimized treatment to small or curved skin areas of the human body and to provide improved or optimized treatment to large or relatively flat or flexible skin areas of the human body.A first preferred embodiment according to the present invention provides a handheld device comprising the exchangeable head unit, the exchangeable head unit comprising:- a head unit body,- a head unit treatment interface comprising a head unit treatment surface for providing skin treatment using at least one of the set of predetermined treatment protocols wherein the skin treatment is provided by means of,- a head unit attachment interface comprising electric head unit contacts for providing a head unit attachment feature for the head unit to be powered and / or controlled by means of the electronic contacts by the handheld device.The added head unit body provides the above indicated improved or optimized treatments to large or relatively flat or flexible skin areas of the human body. Additionally, while the presently most preferred embodiment is provided as a device treatment interface with a relatively small device treatment surface area while head units provide a larger area, alone or in combination with the area of the main device, it is also considered that a device may have the relatively larger treatment area and a head unit placed at the device may provide a relatively small surface area. In such case, it is considered to be preferred that the head unit comprises a tapered surface leading from the relatively large device dimensions to the relatively small head unit dimensions.According to a further preferred embodiment, the device treatment interface or the device treatment surface thereof is adjacent to or surrounded by the head unit treatment interface or the head unit treatment surface thereof. This provides an advantageous situation in which both the device treatment interface and the head unit treatment interface may be used while the head unit is placed at the device. This allows for a single type of treatment over the whole area of the combination of the device treatment interface and the head unit treatment interface, and for a combination of different treatments provided simultaneously by the device treatment interface and the head unit treatment interface each providing different types of treatments. In embodiments below, examples are provided with additional RF treatments and LED treatments.According to a further preferred embodiment, the head unit treatment interface or the head unit treatment surface thereof is arrangeable over the device treatment interfaceor the device treatment surface thereof. Such preferred embodiments may provide all the treatments of a specific head unit treatment interface while not needing to provide the fixed device treatment interface treatments. In embodiments below, exemplary embodiments are provided for for example ultrasound treatments, LED treatments or EMS treatmentsAccording to a further preferred embodiment, the device treatment interface or the device treatment surface thereof is at a front side of the device and / or wherein the head unit treatment interface or head unit treatment surface thereof is at a front side of the head unit. Preferably, such front sides are facing the user of the treatment device, such as while using the device.According to a further preferred embodiment, the device attachment interface is functional as a socket and the head unit attachment interface is functional as a respective plug relative to the socket function of the device attachment interface. Such arrangement provides easy arrangement of the head on the device that is intuitive to the user.According to a further preferred embodiment, the device treatment interface is configurable by means of a device controller to be used as a standalone treatment interface. The device treatment interface is preferably configurable by means of a controller assembly as present in the treatment device, such as on one or more PCBs, further preferably by means of a controller assembly as present in the head unit such as in embodiments wherein treatment devices, such as electrodes LEDs or other active components are not directly controlled from the treatment device that indirectly via such head unit PCB.According to a further preferred embodiment, the device treatment interface is configurable by means of a device controller to be used simultaneously or in combination with the head unit treatment interface. Further preferably, the head unit treatment interface and / or the device treatment interface is configurable by means of a device controller to be used as a standalone treatment interface.According to a further preferred embodiment, the head unit treatment interface and / or the device treatment interface comprises a predetermined number of electrodes configurable to provide an RF treatment, such as bipolar and / or monopolar RF.According to a further preferred embodiment, the head unit treatment interface and / or the device treatment interface comprises a predetermined number of electrodes configurable to provide an EMS treatment. Further preferably, the head unit treatment interface and / or the device treatment interface comprises a predetermined number of electrodes configurable to provide a galvanic treatment.According to a further preferred embodiment, the head unit treatment interface and or the device treatment interface comprises a predetermined number of electrodes configurable to provide an ion treatment or a positive ion treatment. Further preferably, the head unit treatment interface and or the device treatment and the face comprises a predetermined number of LEDs to provide a light treatment, such as a heat treatment, and / or electrodes configurable to provide a heat treatment.According to a further preferred embodiment, the head unit treatment interface or device treatment interface comprises sound drivers, such as ultrasound drivers to provide ultrasound treatment.According to a further preferred embodiment, the air until device comprises at least one device controller unit or device microcontroller unit to provide control signals to the device treatment interface and / or to the head unit treatment interface.According to a further preferred embodiment, the exchangeable head unit comprises a controller unit or microcontroller device to provide control signals to the head unit treatment interface, preferably while being controlled by the device controller unit or device microcontroller unit.According to a further preferred embodiment, the device attachment interface and the head unit attachment interface comprise at least a guiding feature or guiding surface for guiding the head unit toward a fitting orientation while approaching the head unit attachment interface towards the head unit attachment interface. An advantage thereof is that the user is helped while placing the head unit onto the device unit thereby intuitively allowing or facilitating placement by the user.Further preferably, the device attachment interface comprises fitting features with a fitting orientation allowing placement of the head unit onto the device unit and at least one non-fitting orientation blocking or precluding placement of the head unit onto thedevice unit. Such preferred embodiment further provides intuitively allowing or facilitating placement by the user because incorrect placement is prevented. This preventsAccording to a further preferred embodiment, the device attachment interface comprises individual electric contacts for distinct electric contacts features and / or wherein the device attachment interface comprises a multipronged plug connector or a bus connector for simultaneously connecting a multipronged head plug or a head bus connector.A further aspect according to the present invention relates to an exchangeable head unit for a handheld device according to any of the above claims, the exchangeable head unit comprising:- a head unit body,- a head unit treatment interface comprising a head unit treatment surface for providing skin treatment using at least one of the set of predetermined treatment protocols wherein the skin treatment is provided by means of,- a head unit attachment interface comprising electric head unit contacts for providing a head unit attachment feature for the head unit to be powered and / or controlled by means of the electronic contacts by the handheld device.This aspect is based on the same inventive concept as the above aspect. Therefore, ethologists achieved by the above aspect are also achieved by this aspect or combination of the two aspects.Preferably, an exchangeable at unit for a handheld device according to this aspect comprises any of the features according to the above aspect.The present invention will be more readily understood from the detailed description of embodiments thereof made in conjunction with the accompanying drawings of which:Figs. 1 A, IB, 1C and ID are overview illustrations of a skin care device arranged to receive replaceable cartridge units, according to some embodiments of the invention.Figs. 2A, 2B are view illustrations of the first exchangeable head unit, according to some embodiments of the invention.Figs. 2C, 2D are view illustrations of the first exchangeable head unit (RF LEDs Extender) installed on the main body, according to some embodiments of the invention.Fig. 2E is an inner view illustration of the first exchangeable head unit, according to some embodiments of the invention.Figs. 3A, 3B, 3C, 3D are illustrations of the second exchangeable head unit (EMS), according to some embodiments of the invention.Figs. 4A, 4B are illustrations of the third exchangeable head unit (LEDs), according to some embodiments of the invention.Figs 5A, 5B are illustrations of the fourth exchangeable head unit (Ultrasound), according to some embodiments of the invention.Fig. 6 is an illustration of the main board electrical unit, according to some embodiments of the invention.Fig. 7 is an illustration of the user interface and operation modes, according to some embodiments of the invention.Fig. 8 is an illustration of different operation modes levels, according to some embodiments of the invention.Fig. 9 is an illustration of a preferred embodiment of contacts of the device attachment interface with the head unit attachment interface and corresponding PCBs.Fig. 10 is an illustration of a further preferred embodiment of contacts of the device attachment interface with the head unit attachment interface and corresponding PCBs.Fig. 11 is an illustration of a further preferred embodiment of contacts of the device attachment interface with the head unit attachment interface and corresponding PCBs.Fig. 12 is an illustration of a further preferred embodiment of contacts of the device attachment interface with the head unit attachment interface and corresponding PCBs.Before explaining at least one embodiment of the invention in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of the components set forth in the following description or illustrated in the drawings. The invention is applicable to other embodiments or of being practiced or carried out in various ways. Also, it is to be understood that the phraseology and terminology employed herein is for the purpose of description and should not be regarded as limiting.The present invention is intended for different types of non-invasive skin treatment, the type of treatment includes at least one or more of mild to moderate wrinkles, Clearand calm the skin Lighten acne, soothe inflammation, promoting the absorption of small molecule nutrient (using ultrasonic)Preferred embodiments comprise a rechargeable treatment device which may be operated and / or charged by means of a wall mounted AC Adaptor. Preferably, the device is provided with interchangeable head units as is disclosed in greater detail according to preferred embodiments below.Preferred embodiments comprise a rechargeable treatment device charged and also operated by wall mounted AC Adaptor, with preferred interchangeable head units for the treatment device.A preferred Interchangeable head unit is preferably embodied comprising an assembly of arrays of electrodes and LEDs with different configurations and / or a footprint for different skin treatment elements.Examples of main components of the hand piece comprise:An RF Generator 32 for delivering energy towards a preferred electrode configuration.A temperature measuring and / or stabilization NTC Resistor for sensing temperature and / or for controlling power towards treatment based on such measurements. It is preferred that temperatures above a predetermined threshold are prevented by switching off or temporary switching off of power towards the treatment.At least one or a number of Red & Infrared LEDs which provide Light Energy.At least one temperature sensor - senses target temperature while using the Temperature stabilization.At least one proximity sensor 32 that is used for sensing skin touch to enable controlling of only providing treatment energy while a skin touch is sensed.An accelerometer 31 that is preferably applied for sensing movement of the device, to provide an input to a controller to prevent RF treatment power and / or operation while the device is fixed in its location.At least one preferably Li-Ion Battery 34 and battery charger 33 controller 35.The electrodes’ location under the holes in a plate 41 are configured -to emit RF energy through holes in the plate.Figs. 1A, IB, 1C and ID are overview illustrations of preferred embodiments of a handheld device 1, according to preferred embodiments of the invention.These figures show device components without preferred exchangeable heads. The device comprises a device treatment interface 4 with a device treatment surface 5 front surface three electrodes 10A, B and C and two rows (20A, 20b) of light sources, LEDs located in between the electrodes are shown. At the lower end of the device a user interface is located comprising an operation button and LEDs indicating four activation modes (1,2, 3, 4).Also provided are NTC Resistors 3,3’ (Fig. ID, 12) installed under RF electrode 10B (NTC stands for "Negative Temperature Coefficient". NTC thermistors are resistors with a negative temperature coefficient, which means that the resistance decreases with increasing temperature.) configured for monitoring the Electrodes Temperature during a treatment preventing overheating of the skin.The Electrodes are Providing RF and heat Energy for skin treatment.The LEDs Array preferably provides preferably simultaneously red and infrared Light Energy for skin treatment.The device of the preferred embodiment further comprises an accelerometer sensor 31 configured for monitoring the device movement, for ensuring the device operates only during movement.For preferably allowing that the device operates only when sensing touch, a touch detection process is provided by initiating RF for ~0.5msec and / or measuring the current by the electrodes.It is preferred that device control is configured to ensure treatment does not exceed predefined period for example 1-15 minutes. The device will automatically switch to standby state 10-15 minutes after the device is turned on or go to charging mode if connected to main power.The treatment device 1 preferably provides RF Power in a range of ±20% of the nominal level.The System preferably delivers electrodes surface temperature stabilization in the range of ±1°C of the nominal level. Such values are preferably based on medical standards requirements.The device atachment interface 9 includes electronic contacts 41,42,43,44, 45,46,47,48, configured to be connected to the exchangeable head contacts 41’, 42’, 43’, 44’, 45’, 46’, 47’, 48’ (Fig. 2E), delivering power to the head part. The contact may also be used for communication for transferring data. The delivered power is preferably used for powering to a type of electrical unit depending on the type of head unit, including RF Electrodes LEDs, ultrasound units, EMS electrodes, plasma, if such are implemented on the respective embodiment of a respective exchangeable head.Figs. 2A, 2B are illustrations of the first exchangeable head unit 6 (RF & LEDs Extender), according to preferred embodiments of the invention. Figs. 2C, 2D are view illustrations of the first exchangeable head unit 6 (RF &LEDs Extender) installed on the treatment device, according to preferred embodiments of the invention.Fig. 2E is an inner view illustration of the first exchangeable head unit 6 (RF & LEDs Extender), according to preferred embodiments of the invention.This preferred exchangeable head unit is a preferred component designed for versatility. It features a preferred arrangement wherein both electrodes and LEDs are provided, preferably distributed in a circular pattern. The following arrangement of electrodes and LEDs is provided.Within this preferred circular configuration, there are four distinct series or clusters.Each of these series or clusters comprise three electrodes, specifically labelled as 50A, 50B, and 50C. Notably, these electrodes are not uniform and come in varying sizes to provide for different treatment needs. Furthermore, there are three LEDs, designated as 60A, 60B, and 60C, in addition to the electrodes in each series.A distinctive feature of this head unit is its generally circular shape providing an opening, a cutout or hollow center. This cut out or opening design aligns with the placement of the electrodes and LEDs of the device treatment interface of the treatment device. This alignment ensures seamless integration when the head unit is attached to the treatment device.The head unit is designed for adaptability in treatment protocols. The electrodes and LEDs on this exchangeable head may either function independently or in conjunction with the electrodes and LEDs on the main device. This dual-mode operation or simultaneous operation allows for preferred treatments, where those may be activated separately for specific needs or simultaneously for more comprehensive procedures, all depending on the desired treatment protocol.Both the LEDs and the electrode on this head may work in harmony with the LEDs and electrode on the main device. Depending on the specific treatment protocol, they may be activated in two ways:Separately, such as preferably for treatments that require targeted or specific interventions.Simultaneously, such as preferably for more comprehensive treatments that demand the combinedFig. 2E is rear view of a variant of said exchangeable head unit, according to a preferred embodiment of the invention.At the rear part of the first exchangeable head unit are placed electronic contact 45, configured to match the electronic contacts 40, at the main device, for delivering power or data from the main device to the electrodes and LEDS of the exchangeable head.Figs. 3A, 3B, 3C are illustrations of the second exchangeable head unit, according to some embodiments of the invention.A second embodiment of an exchangeable head unit is an EMS head unit comprising four EMS electrodes 80 at respective corner of the head with the hollow center of the head corresponding to the location of the electrodes and LEDs on the device front part.The EMS head provides a Positive and Negative Distribution radiation, each EMS electrode has two modes or operation, at each mode there are four levels of operation.Examples of operating instructions for the user for the device comprise the following. A long press on the multi-key button once for less than one second service to turn the device on. The default option is Mode 1 and Level 1. A Short press serves to switch the level. The first circle is mode 1 and the second circle is mode 2, When the device is on mode 1 and level 4, a press of the button once serves to switch to mode 2 and level 1. An example of mode one comprises the following. The sensed operation on user skin (Feeling): Lifting and massaging applying continuously Frequency: 100Hz.Mode 1: Voltage Periodic Characteristic: Circulation time: 2 seconds (From Min voltage — Max voltage — Min voltage). Preferred Voltage Settings comprise the following. The device offers multiple voltage levels to cater to different treatment needs and intensities:LEVEL 1 : Positive pulse: 8V ~ 13V Negative pulse: -8V ~ -13LEVEL 2: Positive pulse: 10V 21V Negative pulse: -10V ~ -21VLEVEL 3: Positive pulse: 10V 26V Negative pulse: -10V ~ -26VLEVEL 4: Positive pulse: 10V 36V Negative pulse: -10V ~ -36VMode 2: Specification. The sensed operation on user skin (feeling) applying tapping. A preferred frequency is 2Hz. A 5.1 Voltage Characteristic preferably is as follows.LEVEL 1: Pulse: ±26LEVEL 2: Pulse: ±38VLEVEL 3: Pulse: ±44VLEVEL 4: Pulse: ±49VPulse Periodic Characteristic:Circulation 1 : The positive and negative output order is changed every 11 pulses. Positive pulse firstly and negative pulse secondly, 11 Negative pulses firstly and positive pulse secondly *11. The change ends after 30 times.Circulation 2: The positive and negative pulses alternate. First: Positive pulse — Negative pulse Second: Negative pulse — Positive pulse Third: Positive pulse — Negative pulse. After 280 times of alternations, it will be switched back to circulation 1.A further exchangeable head unit offers a preferred flexibility in its operation. The LEDs on this head may work in harmony with the LEDs and electrode on the main device. Depending on the specific treatment protocol, they may be activated in two ways:This configuration preferably provides featured LEDs that are ultimately positioned for optimal effect.LED Arrangement: The LEDs are positioned systematically in four corners around a distinct region of the head unit. This region encircles the hollow center, creating a radiant perimeter. This design is not just aesthetic but also functional, as it corresponds with the location of both the electrodes and LEDs on the front section of the primary device. This alignment preferably provides integration and preferred performance when the head unit is attached to the treatment device.Operational Versatility: The LEDs on this head unit are designed to work in harmony with the LEDs on the main device. Depending on the specific treatment protocol, they may be activated in two distinct modes:Separately: For treatments that require focused or specific interventions.Simultaneously: For treatments that benefit from the combined capabilities of both the head unit and the treatment device.LEDs head may also include capacitive touch sensor for activation only after touching a skin. LED Specifications in the handpiece is preferably as follows. For example (not limited to) Red 625 nm, IR 780 nm or 850 nm.LEDs Specifications in the Head for example red LED 635 nm, (not limited to).LEDs head may also include capacitive touch sensor for activation only after touching a skin,Preferred affects are as follows. These LEDs are preferably designed to reduce wrinkles and provide anti-aging benefits, rejuvenating the skin and promoting a youthful appearance.Blue LEDs preferably provide the following. A wavelength: between 400- 590nm preferably 445nm. Effects: The blue LEDs have multiple benefits. These wavelengths contribute to clearing and calming the skin, lightening acne marks, and soothing inflammations. Their calming effect is especially beneficial for acne-prone skin, reducing redness and promoting healing.Yellow LEDs preferably provide the following between 400- 600nm preferably 590 nm LEDs may be used in combination with heating. Preferably implemented for red light (39 deg C) may be used with different colors / wavelength,Figs. 4A, 4B, 4C, 4F show a further preferred head unit, according to preferred embodiments of the invention.This preferred exchangeable head unit comprises series of LEDs scattered in the area surrounding the hollow center of the head corresponding to the location of the electrodes and LEDs on the device front part.This further preferred exchangeable head unit offers a high degree of flexibility in its operation. The LEDs on this head may work in harmony with the LEDs and electrode on the main device. Depending on the specific treatment protocol, they may preferably be activated in the following ways. This configuration prominently features LEDs that are meticulously positioned for optimal effect.LED Arrangement: The LEDs are systematically scattered around a distinct region of the head unit. This region encircles the hollow center, creating a radiant perimeter. This design is not just aesthetic but also functional, as it preferably corresponds with the location of both the electrodes and LEDs on the front section of the primary device. This alignment ensures seamless integration and optimal performance when the head unit is attached to the main device.Operational Versatility: The LEDs on this head unit are preferably designed to work in harmony with the LEDs on the main device. Depending on the specific treatment protocol, they are preferably activated in two preferred modes:Separately: For treatments that require focused or specific interventions.Simultaneously: For treatments that benefit from the combined capabilities of both the head unit and the main device. LEDs head may also include capacitive touch sensor for activation only after touching a skin. Red and IR LEDs are preferably arranged in the handpiece: Red 625 nm, IR 780 nm or 850 nm, but not limited for. LEDs Head unit preferably comprises red LED 635 nm, but not limited to.Such LEDs head unit may also include a capacitive touch sensor for activation only after touching a skin. Preferred affects comprised that these LEDs are specifically designed to reduce wrinkles and provide anti-aging benefits, rejuvenating the skin and promoting a youthful appearance.Blue LEDs are preferably functional between 400- 500nm preferably 445nm. Effects: The blue LEDs have multiple benefits. These wavelengths contribute to clearing and calming the skin, lightening acne marks, and soothing inflammations. Their calming effect is especially beneficial for acne-prone skin, reducing redness and promoting healing. Yellow LEDs are preferably functional between 400- 600nm preferably 590nm. LEDs are preferably used in combination with heating. Currently implemented for red light (39 deg C).Figs 5A, 5B, are illustrations of the fourth exchangeable head unit, according to some embodiments of the invention.A further preferred exchangeable head unit is a component designed for versatility. It preferably has the following electrode arrangement. It comprises a first outer circular arrangement of four RF electrodes 100.The LEDs on this head may operate in harmony with the LEDs on the main device. Depending on the specific treatment protocol, they may be activated in two ways:Separately: For treatments that require targeted or specific interventions.Simultaneously: For more comprehensive treatments that demand the combinedPreferably, and exchangeable head unit comprises four electrodes at the corner of head with the hollow center of the head corresponding to the location of the electrodes and LEDs on the device front part.Preferably, and exchangeable head unit is meticulously designed for advanced skin treatments using preferred Treatment technologies using ultrasound and Electroporation.Advantages of ultrasonic treatment comprise high-frequency vibrations to enhance the absorption of small molecule nutrients into the skin. With this, reference is made to "small molecules". With this, reference is made about those molecules with a size of around 500D, such as water-soluble essences and pre-essences.Electroporation: This method is designed to penetrate deep into the skin, introducing both small and large molecules into the dermis and subcutaneous tissue layers. "Large molecules" refer to those with a molecular mass greater than 3000D. Examples include both water-soluble and fat-soluble essences, as well as micro-molecule hyaluronic acid.Synergistic Effect: The combination of ultrasonic treatment and electroporation ensures that the skin may effectively absorb both large and small molecules. This dualtechnology approach maximizes the therapeutic benefits, ensuring deeper penetration and enhanced nutrient absorption.Electroporation Mechanism is preferably indicated as follows. Formation of Electric Shock Holes: When subjected to an electric shock, numerous holes are created on the lipid bilayer of cells. This process significantly enhances the penetration capabilities of hydrophilic molecules. As a result, these molecules may effectively bypass the epidermis and gain entry into the cell's interior.Duration of Electric Shock Holes: Once these electric shock holes are formed, they don't immediately close. Instead, they remain open for a variable duration, ranging from a few seconds to several minutes. The exact duration is relative to a length and intensity of the electric shock applied.Figure 6: This figure provides a visual representation of a main board electrical unit, such as a PCB, as preferred in certain embodiments of the invention. It offers a preferred view of the unit's design and components.Microcontroller (pC) Functions: The microcontroller, often abbreviated as pC, is a crucial component of the main board electrical unit. The microcontroller may be implemented as part of the head according to some embodiments of the present invention. It serves as the brain of the system, overseeing and managing various tasks to ensure the device operates efficiently and effectively. Preferred primary responsibilities of the pC comprise the following. Switch Monitoring and LED Indication is preferably embodied as follows. The pC preferably continuously monitors the ON / OFF switch of the device. This ensures that the device is always in the desired operational state. Additionally, it controls the LED indicators, providing visual feedback to the user about the device's status and functions. RF Generators Output Power Control is preferably embodied as follows. The pC preferably has the capability to regulate the output power of the RF (Radio Frequency) generators. This preferably provides that the device delivers the right amount of energy for effective treatments. Infrared (IR) LED Array Control is preferably embodied as follows. The pC manages the operation of the IR LED array, preferably providing that the infrared light is emitted at the correct intensity and duration for optimal therapeutic effects. Red LED Array Control is preferably embodied as follows. Similarly, the pC also oversees the operation of the Red LED array, preferably providing that the red light is emitted with precision for the desired treatment outcomes. Skin Temperature Stabilization is preferably embodied as follows. One of the preferred tasks of the pC is to maintain a stable skin temperature during treatments. It achieves this by controlling the RF output. To achieve preferred temperature regulation, the pC continuously monitors the NTC resistors installed beneath the RF electrodes. These resistors provide real-time feedback on the skin's temperature, allowing the pC to make preferred adjustments to prevent overheating or under-heating.Fig. 7 is a preferred representation of the user interface first operation modes levels, according to some embodiments of the invention. Fig. 8 is a preferred representation of a second at least two modes, and each mode has four levels.Preferably, the treatment device comprises a main PCB 35, preferably controlling the main functions of the device and preferably controlling, a secondary PCB 36 preferably controlling the electric components of device treatment interface acting on the skin. Furthermore, the secondary PCB 36 also controls the head units treatment interface7 and the electric components thereof, such as 50, 60 acting on the skin. Such preferred embodiments are indicated in fig. 9 and fig. 10. In further preferred embodiments, as indicated in fig. 11 and fig. 12, the at unit also comprises a PCB 37 with a controller or microcontroller that is controlled from the secondary PCB 36 of the treatment device.Preferably, the type of head unit is detected by either detecting a resistor 52 that is arranged in the head unit for the purpose of identifying the type of resistor based on the value of the resistor 52. Otherwise, the type of at unit is detected by means of the microcontroller present on the PCB of the head unit.A treatment interface may preferably be embodied as a treatment surface being arranged at a surface of a handheld device or an embodiment thereof. In the previous application, the device according to the invention has been indicated as skin treatment device, skin care device, main device, body, handheld device and has been indicated as part of a system, comprising the same with interchangeable heads, additionally as being rechargeable with a respective charger or adapter. A treatment interface is indicated as device features separately or in combination being capable of providing treatment features, to the skin, the treatment features being preferably arranged at a surface of the device and / of the interchangeable heads. It is preferred that a device treatment interface may function alone or in combination with a head treatment interface. It is also preferred that a head treatment interface may function alone or in combination with the device treatment interface. A head interface may be arranged adjacent to a device interface while it is also preferred that a head interface is arranged over or covering a device interface.In the above description, an embodiment is an example or implementation of the inventions. The various appearances of "one embodiment,” "an embodiment" or "some embodiments" do not necessarily all refer to the same embodiments.Although various features of the invention may be described in the context of a single embodiment, the features may also be provided separately or in any suitable combination. Conversely, although the invention may be described herein in the context of separate embodiments for clarity, the invention may also be implemented in a single embodiment.Reference in the specification to "some embodiments", "an embodiment", "one embodiment" or "other embodiments" means that a particular feature, structure, orcharacteristic described in connection with the embodiments is included in at least some embodiments, but not necessarily all embodiments, of the inventions.It is to be understood that the phraseology and terminology employed herein is not to be construed as limiting and are for descriptive purposes only.The principles and uses of the teachings of the present invention may be better understood with reference to the accompanying description, figures and examples.It is to be understood that the details set forth herein do not construe a limitation to an application of the invention.Furthermore, it is to be understood that the invention may be carried out or practiced in various ways and that the invention may be implemented in embodiments other than the ones outlined in the description above.It is to be understood that the terms “including”, “comprising”, “consisting of’ and grammatical variants thereof do not preclude the addition of one or more components, features, steps, or integers or groups thereof and that the terms are to be construed as specifying components, features, steps or integers.If the specification or claims refer to "an additional" element, that does not preclude there being more than one of the additional elements.It is to be understood that where the claims or specification refer to "a" or "an" element, such reference is not construed that there is only one of that elements.It is to be understood that where the specification states that a component, feature, structure, or characteristic "may", "might", "can" or "could" be included, that particular component, feature, structure, or characteristic is not required to be included.Where applicable, although state diagrams, flow diagrams or both may be used to describe embodiments, the invention is not limited to those diagrams or to the corresponding descriptions. For example, flow need not move through each illustrated box or state, or in exactly the same order as illustrated and described.Methods of the present invention may be implemented by performing or completing manually, automatically, or a combination thereof, selected steps or tasks.The term "method" may refer to manners, means, techniques and procedures for accomplishing a given task including, but not limited to, those manners, means, techniques and procedures either known to, or readily developed from known manners,means, techniques and procedures by practitioners of the art to which the invention belongs.The descriptions, examples, methods and materials presented in the claims and the specification are not to be construed as limiting but rather as illustrative only.Meanings of technical and scientific terms used herein are to be commonly understood as by one of ordinary skill in the art to which the invention belongs, unless otherwise defined.The present invention may be implemented in the testing or practice with methods and materials equivalent or similar to those described herein.Any publications, including patents, patent applications and articles, referenced or mentioned in this specification are herein incorporated in their entirety into the specification, to the same extent as if each individual publication was specifically and individually indicated to be incorporated herein. In addition, citation or identification of any reference in the description of some embodiments of the invention shall not be construed as an admission that such reference is available as prior art to the present invention.While the invention has been described with respect to a limited number of embodiments, these should not be construed as limitations on the scope of the invention, but rather as exemplifications of some of the preferred embodiments. Other possible variations, modifications, and applications are also within the scope of the invention. Accordingly, the scope of the invention should not be limited by what has thus far been described, but by the appended claims and their legal equivalents.

Claims

CLAIMSWhat is claimed is:

1. Handheld device for providing skin treatment, preferably a type of noninvasive skin treatment, using at least one of a set of predetermined treatment protocols comprising:- a main body comprising:- a power source,- a user interface, and- a device treatment interface comprising at least one device light source and at least one device electrode at a device treatment surface of the device,- a device attachment interface comprising electric device contacts for providing a device attachment feature for an exchangeable head unit to be powered and / or controlled by means of the electronic contacts.

2. Handheld device according to claim 1, comprising the exchangeable head unit, the exchangeable head unit comprising:- a head unit body,- a head unit treatment interface comprising a head unit treatment surface for providing skin treatment using at least one of the set of predetermined treatment protocols wherein the skin treatment is provided by means of,- a head unit attachment interface comprising electric head unit contacts for providing a head unit attachment feature for the head unit to be powered and / or controlled by means of the electronic contacts by the handheld device.

3. Handheld device according to any of the preceding claims wherein the device treatment interface or the device treatment surface thereof is adjacent to or surrounded by the head unit treatment interface or the head unit treatment surface thereof.

4. Handheld interface according to any of the preceding claims wherein the head unit treatment interface or the head unit treatment surface thereof is arrangeable over the device treatment interface or the device treatment surface thereof.

5. Handheld device according to any of the preceding claims wherein the device treatment interface or the device treatment surface thereof is at a front side of the device and / or wherein the head unit treatment interface or head unit treatment surface thereof is at a front side of the head unit.

6. Handheld device according to any of the preceding claims wherein the device attachment interface is functional as a socket and the head unit attachment interface is functional as a respective plug relative to the socket function of the device attachment interface.

7. Handheld device according to any of the preceding claims wherein the device treatment interface is configurable by means of a device controller to be used as a standalone treatment interface.

8. Handheld device according to any of the preceding claims to 2-7 wherein the device treatment interface is configurable by means of a device controller to be used simultaneously or in combination with the head unit treatment interface.

9. Handheld device according to any of the preceding claims 2-7 wherein the head unit treatment interface and / or the device treatment interface is configurable by means of a device controller to be used as a standalone treatment interface.

10. Handheld device according to any of the preceding claims wherein the head unit treatment interface and / or the device treatment interface comprises a predetermined number of electrodes configurable to provide an RF treatment, such as bipolar and / or monopolar RF.

11. Handheld device according to any of the preceding claims wherein the head unit treatment interface and / or the device treatment interface comprises a predetermined number of electrodes configurable to provide an EMS treatment.

12. Handheld device according to any of the preceding claims wherein the head unit treatment interface and / or the device treatment interface comprises a predetermined number of electrodes configurable to provide a galvanic treatment.

13. Handheld device according to any of the preceding claims wherein the head unit treatment interface and or the device treatment interface comprises a predetermined number of electrodes configurable to provide an ion treatment or a positive ion treatment.

14. Handheld device according to any of the preceding claims wherein the head unit treatment interface and or the device treatment and the face comprises a predetermined number of LEDs to provide a light treatment, such as a heat treatment, and / or electrodes configurable to provide a heat treatment.

15. Handheld device according to any of the preceding claims wherein the head unit treatment interface or device treatment interface comprises sound drivers, such as ultrasound drivers to provide ultrasound treatment.

16. Handheld device according to any of the preceding claims comprising at least one device controller unit or device microcontroller unit to provide control signals to the device treatment interface and / or to the head unit treatment interface.

17. Handheld device according to any of the preceding claims wherein the exchangeable head unit comprises a controller unit or microcontroller device to provide control signals to the head unit treatment interface, preferably while being controlled by the device controller unit or device microcontroller unit.

18. Handheld device according to any of the preceding claims wherein the device attachment interface and the head unit attachment interface comprise at least a guiding feature or in guiding surface for guiding the head unit toward a fitting orientation while approaching the head unit attachment interface towards the head unit attachment interface.

19. Until device according to any of the preceding claims wherein the device attachment interface comprises fitting features with a fitting orientation allowing placement of the head unit onto the device unit and at least one non-fitting orientation blocking or precluding placement of the head unit onto the device unit.

20. Handheld device according to any of the preceding claims wherein the device attachment interface comprises individual electric contacts for distinct electric contacts features and / or wherein the device attachment interface comprises a multipronged plug connector or a bus connector for simultaneously connecting a multipronged head plug or a head bus connector.

21. Handheld device according to any of the preceding claims 2-20 wherein a head unit comprises a head unit identification for interpretation thereof by the handheld device, preferably wherein such head unit identification comprises a resistor or an identification based on alphanumerical data.

22. Exchangeable head unit for a handheld device according to any of the above claims, the exchangeable head unit comprising:- a head unit body,- a head unit treatment interface comprising a head unit treatment surface for providing skin treatment using at least one of the set of predetermined treatment protocols wherein the skin treatment is provided by means of,- a head unit attachment interface comprising electric head unit contacts for providing a head unit attachment feature for the head unit to be powered and / or controlled by means of the electronic contacts by the handheld device.

23. Exchangeable at unit for a handheld device according to claim 18 comprising any of the features according to claims 3-17.

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