Laser irradiation device

Abstract

A laser irradiation device for treating human skin includes a main body having a tube portion, a laser oscillator housed inside the main body and configured to generate laser light to be irradiated through the tube portion, and a skin treatment unit including a lens unit detachably coupled to the main body and including a plurality of lenses configured to process the laser light generated by the laser oscillator into a plurality of laser beams, and a function unit detachably coupled to the lens unit.

Description

Technical Field

[0001] This invention relates to a laser irradiation device for treating human skin. Background Technology

[0002] Recently, with the development of various cutting-edge technologies, various medical devices have also developed accordingly. Unlike in the past, the use of advanced laser equipment to treat various diseases has become a trend in the medical field.

[0003] One of the uses of lasers in medicine is to irradiate the skin to create a perforation, which can be used to draw blood from the perforated skin, administer medication through the perforation, or remove spots and freckles from the skin.

[0004] On the other hand, recently, various treatments using cutting-edge medical devices have been introduced not only for treating diseases but also for cosmetic skincare. For example, there is galvanic or iontophoresis therapy, which alters the skin's electrical environment by applying a potential difference to the skin, thereby increasing the skin's permeability to ionic drugs. Furthermore, ultrasound therapy, which applies ultrasound waves to the skin to stimulate regeneration or treat diseases, is also applied in various ways.

[0005] As mentioned above, the demand for treatments using lasers, iontophoresis, and ultrasound is increasing in the medical and cosmetic fields, thus requiring a device or method that can effectively deliver such treatments.

[0006] Existing technical documents

[0007] Patent documents

[0008] Patent Document 1: Korean Patent Publication No. 10-2014-0140394 (Published on December 9, 2014)

[0009] Patent Document 2: Korean Patent Publication No. 10-2005-0005728 (Published on January 14, 2005) Summary of the Invention

[0010] The problem that the invention aims to solve

[0011] The present invention is proposed to solve the problems of the prior art mentioned above, and its purpose is to provide a laser irradiation device that improves the convenience of treatment by sharing a structure for providing laser treatment.

[0012] In addition, the present invention aims to provide a laser irradiation device that can automatically remove the heat generated inside the device during use.

[0013] However, the technical problems to be solved in this embodiment are not limited to the above-mentioned technical problems, and other technical problems may also exist.

[0014] Solution for solving the problem

[0015] As a means to solve the above-mentioned technical problems, one embodiment of the present invention provides a laser irradiation device for treating human skin, comprising: a main body having a tube portion; a laser oscillator housed inside the main body and configured to generate laser light that is irradiated through the tube portion; and a skin treatment unit comprising: a lens unit detachably connected to the main body and including a multi-lens for processing the laser light generated by the laser oscillator into multiple laser beams; and a functional unit detachably connected to the lens unit.

[0016] The solutions described above for solving the problem are merely exemplary and should not be construed as limiting the invention. In addition to the exemplary embodiments described above, there may be additional embodiments, as illustrated in the accompanying drawings and detailed description.

[0017] Invention Effects

[0018] According to any of the above-described solutions to the problem, various treatments, such as iontophoresis combined with laser therapy, can be quickly and conveniently switched and implemented. Accordingly, patient satisfaction and treatment effectiveness can be improved, and user convenience can be enhanced.

[0019] In addition, the laser irradiation device has an internal cooling system, which allows it to dissipate the heat generated during use. This extends the lifespan of the internal components of the laser irradiation device. Attached Figure Description

[0020] Figure 1 This is a cross-sectional view showing the laser irradiation device.

[0021] Figure 2a This is a three-dimensional view showing the laser irradiation device.

[0022] Figure 2b This is a three-dimensional view showing the laser irradiation device.

[0023] Figure 3a This is an example diagram used to describe functional units.

[0024] Figure 3b This is an example diagram used to describe functional units.

[0025] Figure 3c This is an example diagram used to describe functional units.

[0026] Figure 3d This is an example diagram used to describe functional units.

[0027] Figure 4a This is an example diagram used to describe functional units.

[0028] Figure 4b This is an example diagram used to describe functional units.

[0029] Figure 4c This is an example diagram used to describe functional units.

[0030] Figure 4d This is an example diagram used to describe functional units.

[0031] Figure 5a This is an example diagram used to describe a lens unit.

[0032] Figure 5b This is an example diagram used to describe a lens unit.

[0033] Figure 6 This is an example diagram used to describe the internal air circulation of a laser oscillator.

[0034] Figure 7 It is shown that Figure 6 The laser oscillator shown is a cross-sectional view with A-A' as the reference.

[0035] Figure 8a This is an example diagram used to describe the charging tray.

[0036] Figure 8b This is an example diagram used to describe the charging tray.

[0037] Figure 9a This is an example diagram used to describe the tip bracket.

[0038] Figure 9b This is an example diagram used to describe the tip bracket. Detailed Implementation

[0039] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that those skilled in the art can readily implement the embodiments of the present invention. However, the present invention can be implemented in various different forms and is not limited to the embodiments described herein. Furthermore, for the sake of clear description of the invention in the drawings, parts irrelevant to the description have been omitted, and similar reference numerals have been used for similar parts throughout the specification.

[0040] Throughout this specification, when a component is referred to as "including" another component, unless otherwise stated, it means that other components may be further included, rather than excluding them. Furthermore, throughout this specification, when one part is "connected" to another part, this includes not only direct connection but also connection via an intermediate component and electrical connection via other intermediate elements. Additionally, throughout this specification, when one component is "on top of" another component, this includes not only tangential contact between the two components but also the presence of another component between them.

[0041] Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

[0042] Figure 1 This is a cross-sectional view showing the laser irradiation device; Figure 2a This is a three-dimensional view showing the laser irradiation device; Figure 2b This is a three-dimensional view showing the laser irradiation device.

[0043] Reference Figure 1 , Figure 2a as well as Figure 2b A laser irradiation device 100 for treating human skin may include: a main body 110, a laser oscillator 120, a skin treatment unit 130, a contact sensor unit 140, a grip detection unit 150, a battery 160, and a main control unit 170. However, Figure 1 , Figure 2a as well as Figure 2b The laser irradiation device 100 shown is merely one embodiment of the present invention and can be based on... Figure 1 , Figure 2a as well as Figure 2b The components shown are subjected to various deformations.

[0044] Reference Figure 1 The main body 110 forms the appearance of the laser irradiation device 100 and may have a tube portion 111. The tube portion 111 may be generally formed as a cylinder and connected to the laser oscillator 120 on one side and to the skin treatment unit 130 on the other side.

[0045] A front lens 111a and a rear lens 111b for guiding the laser beam forward can be provided inside the tube body 111. Specifically, the front lens 111a and the rear lens 111b can be arranged at predetermined positions inside the tube body 111 along the long side direction of the tube body 111. For example, the front lens 111a can be located at the upper part of the tube body 111, and the rear lens 111b can be located at the lower part.

[0046] The front lens 111a and the rear lens 111b can process the laser generated by the laser oscillator 120, thereby guiding it in the long side direction. In particular, the rear lens 111b can be adjusted in position along the long side direction. For example, the rear lens 111b can be adjusted upward or downward along the long side direction of the tube body 111. The therapist can directly adjust the position of the rear lens 111b using an adjusting screw (not shown) located on a predetermined side surface outside the main body 110.

[0047] The number, size, and intensity of the laser beams can be adjusted based on the position of the adjusted rear lens 111b. For example, the rear lens 111b is processed to divide the laser generated by the laser oscillator 120 into multiple laser beams, and each laser beam can be guided to irradiate parallel to the long side (front) of the tube body 111.

[0048] The laser oscillator 120 is housed inside the main body 110 and generates a laser beam that passes through the tube portion 111 and irradiates the tube. Specifically, the laser oscillator 120 may include a laser charging capacitor. The laser oscillators 120 may be arranged side by side in the front-rear direction so that the generated laser beam is directed toward the tube portion 111.

[0049] The skin treatment unit 130 is a component used to perform laser treatment or iontophoresis on a patient. In particular, the skin treatment unit 130 is detachably connected to the main body 110, so that after laser treatment of the patient's skin, iontophoresis can be performed on the laser treatment site (irradiated area).

[0050] Specifically, after laser treatment of the irradiated area, with the skin treatment unit 130 mounted on the main body 110 and in contact with the irradiated area (the area being contacted), the patient can activate the skin treatment unit 130 to perform treatment. At this time, the skin treatment unit 130 can be configured to be electrically connected to the contact detection unit 141, thereby transmitting the current used for iontophoresis treatment to the area being contacted.

[0051] The skin treatment unit 130 can be attached to and detached from the main body 110 and includes a lens unit 131 and a functional unit 132.

[0052] Reference Figure 2a and 2b The lens unit 131 is detachably connected to the main body 110 and includes a multi-lens 131a that processes the laser generated by the laser oscillator 120 into multiple laser beams. For example, the multi-lens 131a can be formed as multiple lenses spaced apart in the long side direction. The multi-lens 131a can split a single laser beam into multiple beams.

[0053] In the prior art, the multiple lenses used in laser irradiation devices are located inside the laser irradiation device, making it difficult to replace only the lenses.

[0054] However, as Figure 2b As shown, the laser irradiation device 100 of the present invention includes multiple lenses 131a in a lens unit 131 that is detachably mounted to the main body 110. Therefore, when a lens is damaged due to prolonged use, the multiple lenses 131a can also be replaced by replacing the lens unit 131. This prevents the problem of reduced energy efficiency of the laser irradiation device 100 due to lens damage.

[0055] Reference Figure 2b The lens unit 131 may include a galvanic electrode 131c, a current sensor 131d, a contact detection part 131e, and a tip-fixing magnet 131f located on its upper surface.

[0056] For example, when the combined functional unit 132 is an iontophoresis module, the functional unit 132 can contact the current electrode 131c, and the current sensor 131d can identify the iontophoresis module.

[0057] Furthermore, the lens unit 131 includes a storage unit 131b. When the storage unit 131b receives a laser oscillation signal that generates laser light from the laser oscillator 120, it can manage the replacement cycle of the lens unit 131 based on the number of laser oscillation signals.

[0058] For example, whenever a laser oscillation signal is detected, the storage unit 131b can store information about the laser oscillation signal and count the number of times. As another example, when a new lens unit 131 is installed, the storage unit 131b can decrement the counter count by 1 each time a laser oscillation signal is detected, based on a preset counter count, for example, 500. Afterward, when the counter count reaches 0, the replacement information for the lens unit 131 can be sent to the main control unit 170.

[0059] Furthermore, when the number of laser oscillation signals reaches a preset threshold, the storage unit 131b can send a replacement signal for the functional unit 132 to the main control unit 170. For example, whenever a laser oscillation signal is detected, the storage unit 131b can store information about the laser oscillation signal and count the number of times.

[0060] Functional unit 132 is detachably connected to lens unit 131. For example, functional unit 132 can operate as a laser module or an iontophoresis module.

[0061] A contact sensor unit 140 for detecting contact with the contacted part and a tip 132d are provided on the upper surface of the functional unit 132, and a laser can be irradiated through the tip 132d. The tip 132d can be designed in various shapes, and the laser irradiation shape can be formed according to the shape of the tip 132d.

[0062] A contact sensor unit 140 is formed at the end of the main body 110 and has a contact detection unit 141 for detecting contact with the part being contacted. For example, when the contact sensor unit 140 comes into contact with the part being contacted, the skin contact of the patient can be detected by an electrical signal, and at the same time, laser oscillation can be automatically performed at preset intervals.

[0063] The contact detection section 141 may be configured to be exposed on the outside of the end of the body 110 and may be formed of a conductive material to allow current to flow. For example, the contact detection section 141 may be a plurality of pins with one end exposed on the outside.

[0064] The contact sensor unit 140 can be configured to be connected to the contact detection unit 141 and detect the current flowing through the contact detection unit 141. When the skin treatment unit 130 is in close contact with the skin around the irradiated area of ​​the patient, the contact sensor unit 140 detects the current flowing through the contact detection unit 141. Therefore, the contact sensor unit 140 can serve as a safety device to determine whether to irradiate the laser in the laser irradiation device 100.

[0065] A grip detection unit 150 may be formed on the surface of the main body 110 to detect whether the therapist is gripping the object. For example, the grip detection unit 150 may be configured to detect changes in light or electrical signals caused by the therapist's contact.

[0066] Specifically, when the grip detection unit 150 forms a preset electrical pattern on the surface of the main body 110, and the patient grips it, the change in resistance can be measured to detect whether the patient is gripping it or not.

[0067] When the grip detection unit 150 detects that the patient is gripping the skin, the operation of the skin treatment unit 130 can be permitted, and the main control unit 170, which will be described later, can determine whether these conditions are met.

[0068] Battery 160 is installed inside the main body 100 and is configured to power the operation of laser oscillator 120 and skin treatment unit 130. For example, battery 160 may be located inside the main body 110 and may be charged by power supplied from an external source.

[0069] The main control unit 170 may be located inside the main body 110. The main control unit 170 may be activated to a laser irradiation mode or an iontophoresis mode to control the operation of the laser oscillator 120. For example, the main control unit 170 may send operation-related signals to the laser module or the iontophoresis module via the contact sensor unit 130.

[0070] Specifically, when the grip detection unit 150 detects the therapist's grip and the contact sensor unit 140 detects the contact between the patient and the contact detection unit 141, the main control unit 170 can irradiate a laser by inputting the emission button on the interface unit (not shown).

[0071] The interface section is a structure for the user to operate the laser irradiation device 100 and check its status, and can be configured to receive signals for operating the main control unit 170. For example, the laser operation signal can be input via the transmit button, and the signal for laser irradiation or operation of the skin treatment unit 140 can be input via the mode setting button. Furthermore, the mode settings and detailed information of the laser irradiation device 100 can be visually displayed via status indicator lights.

[0072] Specifically, when the functional unit 132 is combined with the main body 110, the main control unit 170 controls the functional unit 132 to operate in any of the following modes: laser mode, transmitting a current of the first polarity to the contacted part; ion electroosmosis mode, transmitting a current of the second polarity different from the first polarity to the contacted part.

[0073] The main control unit 170 is configured to operate the laser mode when the functional unit 132 is attached to the main body 110 as a laser module, and to operate the ion electroosmosis mode when the functional unit 132 is attached to the main body 110 as an ion electroosmosis module.

[0074] As described above, the laser irradiation device 100 includes a skin treatment unit 130, which can be mounted on the main body 110 and can perform laser treatment or iontophoresis treatment. Therefore, iontophoresis therapy combined with laser treatment can be conveniently performed without additional equipment replacement or relocation. By conveniently performing this combined treatment, the patient's treatment effect and satisfaction can be improved, and the therapist can also effectively perform combined treatments.

[0075] The following will refer to Figures 3a to 3d , Figures 4a to 4d Describe the specific composition and function of the skin treatment unit 130.

[0076] Figures 3a to 3d , Figures 4a to 4d This is an example diagram used to describe functional units. Figures 3a to 3dThis is a perspective view of functional unit 132. Functional unit 132 may include: a laser module for performing laser treatment on the contacted portion, or an iontophoresis module for generating and controlling the current for performing iontophoresis treatment on the contacted portion.

[0077] Figure 3a The functional unit 132-1 shown is an ion electroosmosis module. The lower surface 132-1a of the functional unit may include: a tip fixing magnet 132a, a contact detection part contact surface 132b, and a contact surface 132c.

[0078] Figure 3a The functional unit 132-1 shown can contact the current electrode 131c of the lens unit 131 through the contact surface 132c in the lower surface 132-1a and perform treatment in a current mode.

[0079] Figures 3b to 3d The functional units 132-2, 132-3, and 132-4 shown are laser modules. The lower surfaces 132-2a, 132-3a, and 132-4a of the functional units may include: a tip-fixing magnet 132a and a contact surface 132b of the contact detection part. Furthermore, the contact surface 132c can be an empty space.

[0080] Figures 3b to 3d The functional units 132-2, 132-3, and 132-4 shown are spaces where the contact surfaces 132c of their lower surfaces 132-2a, 132-3a, and 132-4a are empty and cannot contact the current electrode 131c of the lens unit 131. Therefore, treatment can be performed in laser mode.

[0081] Figures 4a to 4d This is a top view of functional unit 132. Figure 4a The functional unit 132-1 shown is an iontophoresis module. Figures 4b to 4d The functional units 132-2, 132-3, and 132-4 shown are laser modules. Figure 4b The functional unit 132-2 shown has a rounded tip 132-2b. Figure 4c The functional unit 132-3 shown has a rectangular tip 132-3b. Figure 4d The functional unit 132-4 shown has a square tip 132-4b. As shown above, the tip shape of the functional unit 132 can be designed in various shapes and is not limited to this embodiment.

[0082] Figures 5a to 5b This is an example diagram used to describe the combination of lens units. See again... Figures 2a to 2b The main body 110 has a lens unit contact surface 131g that contacts the lens unit 131. Figure 5a The contact surface of the lens unit, 131g, is shown. Figure 5bThe lower surface of the lens unit contact surface 131g is shown.

[0083] Reference Figure 5a The lens unit contact surface 131g may include a communication connector 131h. For example, the communication connector 131h may be an electrically erasable programmable read-only memory (EEP-ROM) or a touch sensor. (See reference...) Figure 2a , Figure 2b , Figure 5a as well as Figure 5b When the lens unit 131 is attached to the lens unit contact surface 131g of the main body 110, the laser irradiation device 100 can identify the attachment of the lens unit 131 through the communication connector 131h.

[0084] Figure 6 This is an example diagram used to describe the internal air circulation of a laser oscillator. Figure 7 It is shown that Figure 6 The laser oscillator shown is a cross-sectional view based on line A-A'. The laser irradiation device 100 has a self-cooling function inside, which allows it to remove the heat generated inside the laser irradiation device 120 on its own.

[0085] Reference Figure 6 The laser irradiation device 100 also includes a fan 121 and at least one ventilation hole 123. The fan 121 can allow outside air to flow into the interior of the laser oscillator 120.

[0086] The fan 121 may consist of a first fan 121a, a second fan 121b, and a third fan 121c to create airflow. For example, the first fan 121a may be connected to the main body 110 to draw in external air and supply it to the laser oscillator 120. The second fan 121b may be disposed between the laser oscillator 120 and the exhaust section 122 to create a flow of external air drawn in by the first fan 121a toward the exhaust section 122. Furthermore, the third fan 121c may discharge the external air drawn into the interior back to the exterior through the exhaust section 122.

[0087] Reference Figure 7 Ventilation holes 123 are formed on one side of the laser oscillator 120, allowing outside air to be discharged toward the exhaust port 122. For example, ventilation holes 123 can be formed on both sides of the laser oscillator 120. Outside air drawn in from the first fan 121a is supplied to the interior of the laser oscillator 120 through the ventilation holes 123, thereby removing internally generated heat through air cooling.

[0088] As described above, the laser irradiation device 100 can dissipate and remove the internal heat generated by the laser oscillator 120 during laser oscillation. Therefore, laser treatment via the laser irradiation device 100 can be performed more effectively, and the lifespan of the internal components of the laser irradiation device 100 can also be increased.

[0089] Figure 8a This is an example diagram used to describe the charging tray. Figure 8b This is an example diagram used to describe the charging tray. (See reference...) Figure 8a The laser irradiation device 100 may include a charging tray 180 and a tip tray 190. For example, the laser irradiation device 100 may be inserted into the charging tray 180 to charge a battery.

[0090] like Figure 8a As shown, a groove is formed in the center of the charging bracket 180, through which the laser irradiation device 100 can be inserted or fixed. A charging terminal 181 may be provided on the upper surface of the groove of the charging bracket 180 for inserting the laser irradiation device 100.

[0091] For example, the laser irradiation device 100 contacts the charging terminal 181 while being inserted into the groove of the charging bracket 180, thereby charging the internal battery 160.

[0092] Additionally, the laser irradiation device 100, inserted into the charging tray 180, can be inserted into the tip tray 190. The laser irradiation device 100 can sterilize the tip 132d of the functional unit 132 via the tip tray 190 during the charging process of the battery 160.

[0093] The tip bracket 190 serves as a bracket for holding the functional unit 132 of the skin treatment unit 130, which is detachably mounted on the main body 110. The tip bracket 190 can be combined with the lower part of the charging bracket 180. Figure 9a This is an example drawing used to describe the tip bracket 190. Figure 9b This is an example diagram used to describe the tip bracket 190. Figure 9a The upper surface of the tip bracket 190 is shown. Figure 9b The lower surface of the tip holder 190 is shown. The tip holder 190 may have multiple recesses for receiving the functional unit 132. For example, the tip holder 190 may receive and hold the functional unit 132 in a provided recess.

[0094] Specifically, refer to Figure 9aThe tip holder 190 can hold one of the following: functional unit 191, which includes an iontophoresis module detached from the lens unit 131; functional unit 192 with a round tip; functional unit 193 with a rectangular tip; and functional unit 194 with a square tip. Functional units 191 to 194 held on the tip holder 190 can be combined with the charging holder 180 and sterilized.

[0095] Refer again Figure 8b Multiple ultraviolet light-emitting diodes (UV LEDs) 182 and a UV safety unit 183 can be provided on the lower surface of the charging tray 180. The multiple UV LEDs 182 can sterilize the functional units placed on the tip tray 190, and the UV safety unit 183 can control the operation of the UV LEDs 182.

[0096] Specifically, refer to Figure 8a , Figure 8b , Figure 9a as well as Figure 9b The tip holder 190, which holds functional units 191 to 194, can be combined with the charging holder 180. The lower surface of the charging holder 180 and the upper surface of the tip holder 190 can be combined with each other.

[0097] Based on the above combination, multiple UV LEDs 182 disposed on the lower surface of the charging tray 180 can be used to sterilize the functional units 191 to 194 placed on the charging tip tray 190.

[0098] At this time, when the charging tray 180 separates from the tip tray 190, the UV LED 182 can stop the sterilization operation. For example, the UV safety unit 183 can detect whether the lower surface of the charging tray 180 is engaged with the tip tray 190 and in a closed state. The UV safety unit 183 only allows the UV LED 182 to operate when the lower surface of the charging tray 180 is engaged with the tip tray 190 and in a closed state.

[0099] Alternatively, the sterilization operation of the UV LED 182 will also stop when charging of the battery of the laser irradiation device 100 in the charging tray 180 is stopped. For example, when the laser irradiation device 100 is separated from the charging tray 180 which is coupled to the tip tray 190, i.e. when charging of the battery is stopped, the sterilization operation of the UV LED 182 will also stop.

[0100] As described above, the laser irradiation device 100 can keep the tip 132d of the functional unit 132 clean by sterilizing it during the charging process of the internal battery. The laser irradiation device 100 can sterilize the tip 132d by combining the charging bracket 180 with the tip bracket 190 on which the functional unit 132 is placed, thereby making it easy and effective to manage the functional unit 132.

[0101] The above description of the present invention is for illustrative purposes only. Those skilled in the art will understand that it can be easily modified into other specific embodiments without altering the technical concept or essential features of the invention. Therefore, it should be understood that the above embodiments are exemplary in all respects and not limiting. For example, components described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined manner.

[0102] The scope of this invention is defined by the following claims rather than the detailed description above, and all modifications or alterations to the embodiments derived from the meaning and scope of the claims and their equivalents should be understood to be included within the scope of this invention.

Claims

1. A laser irradiation device for treating human skin, characterized in that, include: The main body has a tubular section; A laser oscillator, which is housed inside the main body and configured to generate a laser beam that passes through the tube portion for irradiation; as well as A skin treatment unit includes: a lens unit detachably connected to the main body and comprising a multi-lens for processing laser light generated by the laser oscillator into multiple laser beams; and a functional unit detachably connected to the lens unit. The lens unit further includes: The storage unit, upon receiving a laser oscillation signal from the laser oscillator that generates the laser, manages the replacement cycle of the lens unit based on the number of times the laser oscillation signal is received.

2. The laser irradiation device according to claim 1, characterized in that, Also includes: A contact sensor unit is formed at the end of the main body and has a contact detection part for detecting contact with the contacted part.

3. The laser irradiation device according to claim 1, characterized in that, include: A fan is used to draw outside air into the interior of the laser oscillator; as well as At least one ventilation hole is formed on one side of the laser oscillator to discharge the outside air toward the exhaust section.

4. The laser irradiation device according to claim 1, characterized in that, The functional unit includes: A laser module is used to perform laser treatment on the contact area; or, An iontophoresis module is used to generate and control the current for iontophoresis treatment of the contacted portion.

5. The laser irradiation device according to claim 1, characterized in that, Also includes: A grip detection unit, formed on the surface of the main body, is used to detect whether the patient is gripping the device.

6. The laser irradiation device according to claim 1, characterized in that, Also includes: A battery, installed inside the main body, powers the operation of the laser oscillator and the skin treatment unit.

7. The laser irradiation device according to claim 4, characterized in that, Also includes: The main control unit is located inside the main body, and when the functional unit is combined with the main body, it controls the functional unit to operate in any of the following modes: laser mode, transmitting a current of a first polarity to the contacted part; ion electroosmosis mode, transmitting a current of a second polarity different from the first polarity to the contacted part.

8. The laser irradiation device according to claim 7, characterized in that, The main control unit is configured as follows: When the functional unit is attached to the main body as a laser module, the laser mode is activated. When the functional unit is attached to the main body as an iontophoresis module, the iontophoresis mode is operated.

9. The laser irradiation device according to claim 7, characterized in that, Also includes: The interface section is configured to receive signals for operating the main control section.

10. The laser irradiation device according to claim 1, characterized in that, Also includes: The front lens and the rear lens are positioned at predetermined locations inside the tube body along the long side of the tube body, and process the laser generated by the laser oscillator and guide it along the long side. The rear lens is adjusted in position along the long side.

11. The laser irradiation device according to claim 10, characterized in that, The number, size, and intensity of the laser beam are adjusted based on the adjusted position of the rear lens.

12. The laser irradiation device according to claim 1, characterized in that, The storage unit is configured as follows: When the number of laser oscillation signals reaches a preset threshold, a replacement signal for the functional unit is sent to the main control unit.

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