Ultrasonic skin care device with easily attachable and detachable cartridge

Abstract

The present invention relates to an ultrasonic skin care device with an easily attachable and detachable cartridge. The ultrasonic skin care device comprises: a cartridge having a transducer for emitting ultrasonic waves to the skin; and a handpiece body for fastening and controlling the cartridge. First fastening means are formed at a fastening portion of the handpiece body and the cartridge, wherein the first fastening means are configured to be magnetically attracted and fastened to each other, thereby enabling easy attachment and detachment of the cartridge and providing stable fastening force to reduce the risk of separation during use. In addition, separation is facilitated through a lever-type separation means, and a second fastening means composed of a latch and a locking protrusion reinforces the magnetic fastening. Accordingly, user convenience and reliability are enhanced, and cleaning and maintenance are simplified, thereby extending the service life of the device.

Description

Ultrasonic skin care device with easy cartridge attachment / detachment

[0001] This invention was supported by the following national research and development project.

[0002] [R&D Project No.] RS-2023-00322102

[0003] [Project ID] 2420014284

[0004] [Sub-project No.] 00322102

[0005] [Name of Central Administrative Agency] Ministry of SMEs and Startups

[0006] [Name of Project Management (Specialized) Agency] Korea Technology Information Promotion Agency for SMEs

[0007] [Research Project Name] SME Technology Innovation Development (R&D)

[0008] [Project Title] Development of a 20MHz HIFU Healthcare Device for Pigmentation Disorders and Tattoo Removal

[0009] The present invention relates to an ultrasonic skin care device in which the cartridge can be easily attached and detached, and more specifically, to an ultrasonic skin care device in which the cartridge can be easily attached to and detached from the handpiece body, thereby improving user convenience.

[0010] Ultrasonic technology is widely used in the medical, industrial, and environmental treatment fields. Recently, with the growing interest in beauty, various ultrasound-based devices are being introduced to prevent skin aging, improve wrinkles, or maintain skin elasticity.

[0011] Ultrasound irradiated onto the skin can improve wrinkles by delivering heat to the superficial muscular aponeurotic system (SMAS), which is the root cause of wrinkles, and causing the skin tissue to contract or coagulate due to the delivered heat. An ultrasonic skin care device utilizing this principle can improve improvement efficiency by focusing ultrasound only on a specific area of ​​the skin to be treated, and this is disclosed in detail as prior art in Korean Registered Patent Publication No. 10-2523060.

[0012] The configuration of the ultrasonic skin care device consists of a cartridge equipped with a transducer that irradiates ultrasound onto the skin, and a handpiece body that controls the transducer by combining the cartridge. Additionally, the cartridge generally includes three types of cartridges, each equipped with a transducer that targets the fascia layer (4.5 mm below the skin), the collagen layer (3 mm below the skin), and the dermis layer (1.5 mm below the skin).

[0013] Therefore, when using an ultrasonic skin care device, the user must replace and attach a cartridge suitable for the treatment conditions to the handpiece body. However, since conventional ultrasonic skin care devices attach the cartridge to the handpiece body using bolts or hook types, there were many difficulties and inconveniences associated with attaching and detaching the cartridge every time it was replaced or attached.

[0014] The present invention aims to solve the aforementioned problems, and the objective of the present invention is to provide an ultrasonic skin care device that facilitates the attachment and detachment of a cartridge, thereby resolving the difficulties and inconveniences associated with the attachment and detachment of a cartridge from a handpiece body.

[0015] To solve the above problem, the present invention provides an ultrasonic skin care device that facilitates the attachment and detachment of a cartridge, comprising a cartridge having a transducer that irradiates ultrasound onto the skin, and a handpiece body that controls the transducer by attaching the cartridge, and a first fastening means formed to correspond to the fastening portion of the handpiece body and the fastening portion of the cartridge so that the handpiece body and the cartridge are attracted to each other by magnetic force to be attached.

[0016] In the present invention, the device may include a magnet disposed in either the inner side of the fastening portion of the handpiece body or the inner side of the fastening portion of the cartridge, and a metal plate disposed in the other side of the fastening portion of the handpiece body or the inner side of the fastening portion of the cartridge and magnetized by the magnet.

[0017] In the present invention, the first fastening means may include magnets disposed respectively on the inner side of the fastening portion of the handpiece body and on the inner side of the fastening portion of the cartridge.

[0018] In the present invention, one side of the fastening portion of the handpiece body may further include a separation means for separating the fastening portion of the handpiece body and the fastening portion of the cartridge, which are fastened to separate the cartridge from the handpiece body.

[0019] In the present invention, the separation means may include: a hinge bracket formed on one side of the fastening portion of the handpiece body; a lever inserted into the hinge bracket to separate the fastening portion of the handpiece body from the fastening portion of the cartridge; and a hinge pin rotatably connecting the lever inserted into the hinge bracket.

[0020] In the present invention, a second fastening means is further included to be formed to correspond to the fastening portion of the handpiece body and the fastening portion of the cartridge to reinforce the fastening force of the first fastening portion, and the second fastening means may include: a guide pin protruding from one side of the fastening portion of the handpiece body; a latch having one end inserted into the guide pin and a loop at the other end; an insertion groove into which the loop of the latch is inserted into one side of the fastening portion of the cartridge; a catch projection on which the loop of the latch is caught at the end of the insertion groove; a spring inserted between the guide pin and the latch to press the latch so that the loop of the latch catches on the catch projection; and a button protruding from one end of the latch to press the latch so that the loop of the latch disengages from the catch projection.

[0021] Through the above configuration, the present invention can have the following effects as the cartridge is attached to and detached from the handpiece body through the first fastening means, the separation means, and the second fastening means.

[0022] First, user convenience is improved as the cartridge can be easily attached to and detached from the handpiece body due to the magnetic fastening structure, and in particular, the combination of the magnet and the metal plate, or between magnets, which is the first fastening means, provides a stable fastening force, thereby reducing the risk of the cartridge detaching from the handpiece body during use.

[0023] Second, the cartridge can be easily detached using a lever as a separation mechanism, and the easy attachment and detachment of the cartridge simplifies cleaning and maintenance, thereby extending the lifespan of the device.

[0024] Third, the second fastening means reinforces the fastening force of the first fastening means through a physical and intuitive latch and catch, thereby providing the advantage of helping the user attach and detach the handpiece body and cartridge with confidence.

[0025] FIG. 1 is a drawing illustrating an ultrasonic skin care device with an easy-to-attach cartridge according to Example 1 of the present invention.

[0026] FIG. 2 is a drawing illustrating an ultrasonic skin care device with an easy-to-attach cartridge according to Embodiment 2 of the present invention.

[0027] FIG. 3 is a drawing illustrating an ultrasonic skin care device with an easy-to-attach cartridge according to Embodiment 3 of the present invention.

[0028] FIG. 4 is a drawing illustrating an ultrasonic skin care device with an easy-to-attach cartridge according to Example 4 of the present invention.

[0029] Embodiments of the present invention are described below with reference to the attached drawings so that those skilled in the art can easily implement them. However, the present invention may be embodied in various different forms and is not limited to the embodiments described herein.

[0030] In addition, to clearly explain the present invention in the drawings, parts unrelated to the explanation have been omitted, and similar parts throughout the specification have been given similar reference numerals.

[0031] Throughout this specification, when a part is described as "comprising" a certain component, this means that, unless specifically stated otherwise, it does not exclude other components but may include additional components.

[0032] As used herein, terms of degree such as “about,” “substantially,” etc., are used to mean at or near the stated value when inherent manufacturing and material tolerances are presented in the stated meaning, and are used to prevent unscrupulous infringers from unfairly exploiting the disclosure in which precise or absolute values ​​are mentioned to aid in understanding the invention. Furthermore, throughout this specification, “a step of” or “a step of” does not mean “a step for”.

[0033] Throughout this specification, the term “combination thereof” included in a Markush-type expression means one or more mixtures or combinations selected from the group consisting of the components described in the Markush-type expression, and means including one or more selected from the group consisting of said components. Throughout this specification, the description “A and / or B” means “A or B, or A and B.”

[0034] Hereinafter, an ultrasonic skin care device with an easy-to-attach cartridge according to an embodiment of the present invention is described as follows.

[0035]

[0036] <Example 1>

[0037] FIG. 1 is a drawing illustrating an ultrasonic skin care device with an easy-to-attach cartridge according to Example 1 of the present invention.

[0038] Referring to FIG. 1, an ultrasonic skin care device having an easy-to-attach cartridge according to Embodiment 1 of the present invention comprises a cartridge (100) having a transducer (10) that irradiates ultrasound onto the skin, and a handpiece body (200) that controls the transducer (10) by connecting the cartridge (100). The device further comprises a first connecting means (300) formed to correspond to the connecting portion (200a) of the handpiece body (200) and the connecting portion (100a) of the cartridge (100), so that the handpiece body (200) and the cartridge (100) are connected by magnetic force.

[0039] The above cartridge (100) comprises a cover (110) that encloses the transducer (10) and has a fastening portion (100a) on one side, a medium solution (120) contained inside the cover (110), and a film (130) formed on the front end of the cover (110).

[0040] The handpiece body (200) comprises a housing (210), an inverter (220) housed inside the housing (210) and supplying power to the transducer (10), and a control unit (230) and an operating switch (240) formed around the housing (210) to control the transducer (10).

[0041] The first fastening means (300) comprises a magnet (310) disposed in either the inner side of the fastening portion (200a) of the handpiece body (200) or the inner side of the fastening portion (100a) of the cartridge (100), and a metal plate (320) disposed in the other side of the fastening portion (200a) of the handpiece body (200) and the inner side of the fastening portion (100a) of the cartridge (100), which is magnetized by the magnet (310). To explain this more specifically, as an example, the magnet (310) is fixedly disposed in the inner side of the fastening portion (200a) of the handpiece body (200), and the metal plate (320) is fixedly disposed in the inner side of the fastening portion (100a) of the cartridge (100) in correspondence with the magnet (310). Meanwhile, the magnet (310) is formed as one or more permanent magnets inside the fastening portion (200a) of the handpiece body (200), and a corresponding number of metal plates (320) are also formed inside the fastening portion (100a) of the cartridge (100). Additionally, stainless steel STS430, which has excellent corrosion resistance, heat resistance, and wear resistance, is preferred as the material for the metal plates (320), but the embodiments of the present invention are not limited thereto.

[0042] Accordingly, when the cartridge (100) is attached to the handpiece body (200), the inner side of the attachment portion (200a) of the handpiece body (200) and the inner side of the attachment portion (100a) of the cartridge (100) come into contact, the magnet (310) and the metal plate (320) magnetized by the magnet (310) are attracted to each other by magnetic force and stick together, thereby ensuring stable attachment of the cartridge (100) to the handpiece body (200), so that the cartridge (100) does not detach from the handpiece body (200) during use. Additionally, when separating the cartridge (100) from the handpiece body (200), if the cartridge (100) is pulled with a force stronger than the magnetic force between the magnet (310) and the metal plate (320), the distance between the magnet (310) and the metal plate (320) increases and the magnetic force attracting between the magnet (310) and the metal plate (320) weakens, so the cartridge (100) is easily separated from the handpiece body (200).

[0043]

[0044] <Example 2>

[0045] FIG. 2 is a drawing illustrating an ultrasonic skin care device with an easy-to-attach cartridge according to Embodiment 2 of the present invention.

[0046] Referring to FIG. 2, the ultrasonic skin care device for easy attachment and detachment of a cartridge according to Embodiment 2 of the present invention may be composed of a first fastening means (300) formed to correspond to the fastening portion (200a) of the handpiece body (200) and the fastening portion (100a) of the cartridge (100), and magnets (310) (340) respectively disposed inside the fastening portion (200a) of the handpiece body (200) and inside the fastening portion (100a) of the cartridge (100).

[0047] Accordingly, when the cartridge (100) is attached to the handpiece body (200), the inner side of the attachment portion (200a) of the handpiece body (200) and the inner side of the attachment portion (100a) of the cartridge (100) come into contact, and the magnets (310) (340) attract and stick to each other due to magnetic force, thereby ensuring stable attachment of the cartridge (100) to the handpiece body (200), so that the cartridge (100) does not detach from the handpiece body (200) during use. Additionally, when separating the cartridge (100) from the handpiece body (200), if the cartridge (100) is pulled with a force stronger than the magnetic force attracting between the magnets (310) (340), the distance between the magnets (310) (340) increases and the magnetic force attracting between the magnets (310) (340) weakens, so the cartridge (100) is easily separated from the handpiece body (200).

[0048]

[0049] <Example 3>

[0050] FIG. 3 is a drawing illustrating an ultrasonic skin care device with an easy-to-attach cartridge according to Embodiment 3 of the present invention.

[0051] Referring to FIG. 3, an ultrasonic skin care device for easy attachment and detachment of a cartridge according to Embodiment 3 of the present invention comprises a first fastening means (300) formed to correspond to a fastening portion (200a) of the handpiece body (200) and a fastening portion (100a) of the cartridge (100), the first fastening means (300) comprising a magnet (310) fixedly disposed inside the fastening portion (200a) of the handpiece body (200) and a metal plate (320) fixedly disposed inside the fastening portion (100a) of the cartridge (100) corresponding to the magnet (310), and further comprising, on one side of the fastening portion (200a) of the handpiece body (200), a space between the fastened fastening portion (200a) of the handpiece body (200) and the fastening portion (100a) of the cartridge (100) to separate the cartridge (100) from the handpiece body (200). It may include a separation means (400) for separating.

[0052] The above separation means (400) comprises a hinge bracket (410) formed on one side of the fastening portion (200a) of the handpiece body (200), a lever (420) inserted into the hinge bracket (410) to spread the fastening portion (200a) of the handpiece body (200) and the fastening portion (100a) of the cartridge (100), and a hinge pin (430) that rotatably connects the lever (420) inserted into the hinge bracket (410).

[0053] Accordingly, when the cartridge (100) is attached to the handpiece body (200), the inner side of the attachment portion (200a) of the handpiece body (200) and the inner side of the attachment portion (100a) of the cartridge (100) come into contact, the magnet (310), which is the first attachment means (300), and the metal plate (320) magnetized by the magnet (310) are attracted to each other by magnetic force and stick together, thereby ensuring stable attachment of the cartridge (100) to the handpiece body (200), so that the cartridge (100) does not detach from the handpiece body (200) during use. Additionally, when separating the cartridge (100) from the handpiece body (200), a lever (420), which is a separation means (400), is first used to separate the connection part (200a) of the handpiece body (200) from the connection part (100a) of the cartridge (100), and then the cartridge (100) is pulled, the distance between the magnet (310) and the metal plate (320), which is a first connection means (300), is reduced, and the magnetic force pulling is weakened, allowing the cartridge (100) to be easily separated from the handpiece body (200).

[0054] When examining the process of separating the fastening portion (200a) of the handpiece body (200) and the fastening portion (100a) of the cartridge (100) through the above-mentioned separation means (400), at a lever (420) rotatably connected to one side of the fastening portion (200a) of the handpiece body (200) via the hinge bracket (410) and hinge pin (430), when the outer end of the lever (420) is grasped and the outer end of the lever (420) is lifted toward the handpiece body (200), the lever (420) rotates around the hinge pin (430), and at this time, the inner end of the lever (420) rotates toward the cartridge (100) and presses and pushes the fastening portion (100a) of the cartridge (100), thereby the fastening of the handpiece body (200). The connection part (200a) and the connection part (100a) of the cartridge (100) are easily separated.

[0055]

[0056] <Example 4>

[0057] FIG. 4 is a drawing illustrating an ultrasonic skin care device with an easy-to-attach cartridge according to Example 4 of the present invention.

[0058] Referring to FIG. 4, the ultrasonic skin care device for easy attachment and detachment of a cartridge according to Embodiment 4 of the present invention comprises a first fastening means (300) formed to correspond to the fastening portion (200a) of the handpiece body (200) and the fastening portion (100a) of the cartridge (100), wherein the first fastening means (300) comprises a magnet (310) fixedly disposed inside the fastening portion (200a) of the handpiece body (200) and a metal plate (320) fixedly disposed inside the fastening portion (100a) of the cartridge (100) corresponding to the magnet (310), and may also include a second fastening means (500) formed to correspond to the fastening portion (200a) of the handpiece body (200) and the fastening portion (100a) of the cartridge (100) to reinforce the fastening force of the first fastening portion (300).

[0059] The second fastening means (500) comprises: a guide pin (510) formed to protrude from one side of the fastening portion (200a) of the handpiece body (200); a latch (520) formed to have one end inserted into the guide pin (510) and a loop (521) at the other end; an insertion groove (530) formed to have the loop (521) of the latch (520) inserted into one side of the fastening portion (100a) of the cartridge (100); a catch projection (540) formed to catch the loop (521) of the latch (520) at the end of the insertion groove (530); a spring (550) formed to be inserted between the guide pin (510) and the latch (520) to press the latch (520) so that the loop (521) of the latch (520) catches on the catch projection (540); and the It is formed with a button (560) that is formed to protrude outwardly from one surface of the latch (520) and presses the latch (520) so that the loop (521) of the latch (520) is disengaged from the catch (540).

[0060] Accordingly, when the cartridge (100) is attached to the handpiece body (200), the inner side of the attachment portion (200a) of the handpiece body (200) and the inner side of the attachment portion (100a) of the cartridge (100) come into contact, the magnet (310), which is the first attachment means (300), and the metal plate (320) magnetized by the magnet (310) are attracted to each other by magnetic force and attached, thereby attaching the cartridge (100) to the handpiece body (200). Subsequently, when the handpiece body (200) and the cartridge (100) are physically and intuitively attached through the second attachment means (500), the attachment force of the first attachment means (300) is further reinforced, allowing the user to use the handpiece body (200) and the cartridge (100) with confidence. Additionally, when separating the cartridge (100) from the handpiece body (200), the second fastening means (500) is first released, and then the cartridge (100) is pulled with a force stronger than the magnetic force between the magnet (310) and the metal plate (320), which is the first fastening means (300). As a result, the distance between the magnet (310) and the metal plate (320) increases, and the magnetic force pulling between the magnet (310) and the metal plate (320) weakens, allowing the cartridge (100) to be easily separated from the handpiece body (200).

[0061] Meanwhile, the second fastening means (500) is fastened by inserting the latch (520) formed on one side of the fastening portion (200a) of the handpiece body (200) into the insertion groove (530) formed on one side of the fastening portion (100a) of the cartridge (100). As the spring (550) inserted between the guide pin (510) and the latch (520) presses the latch (520) toward the catch (540), the hook (521) of the latch (520) catches on the catch (540), thereby firmly fastening the handpiece body (200) and the cartridge (100). Additionally, the second fastening means (500) is released when the button (560) formed on the latch (520) is pressed, causing the latch (520) to move backward along the guide pin (510) and the spring (550) to be compressed, and the hook (521) of the latch (520) detaches from the locking projection (540) formed on one side of the fastening portion (110a) of the cartridge (100), thereby releasing the second fastening means (500).

Claims

1. A cartridge equipped with a transducer that irradiates ultrasound onto the skin, and a handpiece body that controls the transducer by attaching the cartridge, and An ultrasonic skin care device that facilitates the attachment and detachment of a cartridge, comprising a first fastening means formed to correspond to the fastening portion of the handpiece body and the fastening portion of the cartridge, so that the handpiece body and the cartridge are attracted to each other by magnetic force to be fastened.

2. In Paragraph 1, The above-mentioned first fastening means is, An ultrasonic skin care device that facilitates the attachment and detachment of a cartridge, comprising a magnet disposed in either the inner side of the fastening portion of the handpiece body or the inner side of the fastening portion of the cartridge, and a metal plate disposed in the other side of the fastening portion of the handpiece body or the inner side of the fastening portion of the cartridge and magnetized by the magnet.

3. In Paragraph 1, The above-mentioned first fastening means is, An ultrasonic skin care device that facilitates the attachment and detachment of a cartridge, comprising magnets respectively disposed on the inner side of the fastening portion of the handpiece body and the inner side of the fastening portion of the cartridge.

4. In Paragraph 1, An ultrasonic skin care device that facilitates the attachment and detachment of a cartridge, wherein on one side of the fastening portion of the handpiece body, a separation means is further included to separate the fastening portion of the handpiece body from the fastening portion of the cartridge in order to separate the cartridge from the handpiece body.

5. In Paragraph 4, The above separation means is, A hinge bracket formed on one side of the fastening portion of the above handpiece body; A lever that separates the fastening portion of the handpiece body and the fastening portion of the cartridge, which are inserted into and fastened to the hinge bracket; and An ultrasonic skin care device that facilitates the attachment and detachment of a cartridge, comprising: a hinge pin that rotatably connects the lever inserted into the hinge bracket.

6. In Paragraph 1, It further includes a second fastening means formed to correspond to the fastening portion of the handpiece body and the fastening portion of the cartridge to reinforce the fastening force of the first fastening portion. The above second fastening means is, A guide pin protruding from one side of the fastening portion of the above handpiece body; A latch having one end inserted into the above guide pin and the other end having a loop; An insertion groove into which the hook of the latch is inserted on one side of the fastening portion of the cartridge; A catch projection on the end of the insertion groove where the hook of the latch engages; A spring inserted between the guide pin and the latch to press the latch so that the loop of the latch engages with the catch; and An ultrasonic skin care device that facilitates the attachment and detachment of a cartridge, comprising: a button protruding from one end of the above-mentioned latch to press the latch so that the loop of the above-mentioned latch disengages from the above-mentioned catch.

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