Air filter structure and therapeutic medical device using negative pressure including same

Abstract

The present invention relates to an air filter structure and a therapeutic medical device using negative pressure including the air filter structure, which can reduce noise and vibration generated in an air duct part during the process of generating and releasing negative pressure, and can reduce noise and vibration generated in the air duct part during the process of generating and releasing negative pressure. When the vacuum motor part generates the negative pressure and releases the negative pressure, the direction of the air is adjusted to suck the air through the suction port and discharge the air through the discharge port, so that the interval between the suction and the discharge of the air is reduced, and the repeated time of the negative pressure is maximized. Therefore, various treatment effects are achieved while the treatment effect by means of the negative pressure is greatly improved.

Description

Technical Field

[0001] The present invention relates to an air filter structure and a negative-pressure-utilizing therapeutic medical device including the air filter structure, and more particularly, to an air filter structure capable of filtering and discharging foreign matters in an air pipeline for inhaling and discharging air and reducing noise during the operation of a vacuum motor, and a negative-pressure-utilizing therapeutic medical device including the air filter structure. Background Art

[0002] Generally, a negative-pressure-utilizing therapeutic medical device provides negative pressure to the skin by a pump after a vacuum cup is disposed at a specific part of a patient's skin, thereby achieving a therapeutic effect. Currently, due to the diversification of skin treatment, its use has shown a gradually increasing trend.

[0003] As negative-pressure-utilizing therapeutic medical devices, there are a massage device using vacuum, a fat decomposition device that adsorbs a patient's skin by using vacuum and irradiates ultrasonic waves to the inhaled part to decompose fat, and a cupping device that achieves a traditional Chinese medicine treatment effect by inhaling the skin, etc.

[0004] Existing medical devices that achieve a therapeutic effect by using negative pressure inhale the air inside a cup attached to a patient's skin by the operation of a pump for providing negative pressure and maintain a vacuum state, thereby treating the patient's skin.

[0005] That is, existing negative-pressure-utilizing therapeutic medical devices maintain a vacuum state for a certain period of time in a state where a vacuum cup is attached and fixed to a patient's skin, thereby achieving a therapeutic effect.

[0006] Existing negative-pressure-utilizing therapeutic medical devices achieve a therapeutic effect through a simple structure that maintains a vacuum state for a certain period of time in a state where a vacuum cup is attached and fixed to a patient's skin, so their therapeutic effect is limited.

[0007] Therefore, it is necessary to develop a negative-pressure-utilizing therapeutic medical device that massages the skin by repeatedly applying negative pressure, that is, by alternately repeating the process of generating negative pressure and releasing negative pressure, thereby improving the elasticity of the skin and improving wrinkles.

[0008] Negative-pressure-utilizing therapeutic medical devices have the problem of generating relatively large noise and vibration during the repeated process of inhaling air by the operation of a vacuum motor to generate negative pressure and releasing negative pressure by discharging air again.

[0009] In addition, a therapeutic medical device using negative pressure also has a problem that a failure occurs because foreign substances contained in the air flow into the inside of the vacuum motor during the inhalation of air. To prevent the above problems, a filter for removing foreign substances can be installed in the air pipeline. However, this has the trouble of requiring periodic filter replacement, and also has the problem that the noise further increases due to the filter during the inhalation and discharge of air.

[0010] In addition, when a therapeutic medical device using negative pressure inhales air by the operation of a vacuum motor to generate negative pressure and relieves the negative pressure by discharging the air again, although the process of inhaling air can be completed quickly, it takes a long time to discharge the air in the reverse direction again. Therefore, it is limited in reducing the time interval of generating negative pressure, and thus has a problem of low therapeutic effect by negative pressure.

[0011] As a current patent related to the present invention, it includes Korean Patent Publication No. 2021-0147811 "Therapeutic Device Using a Vacuum Cup" (December 7, 2021). Summary of the Invention

[0012] Technical Problem

[0013] An object of the present invention is to provide an air filter structure that can filter and remove foreign substances in the air on an air pipeline that repeatedly generates negative pressure, and reduce the noise generated during the operation of a vacuum motor, and a therapeutic medical device using negative pressure including the air filter structure.

[0014] Another object of the present invention is to provide a therapeutic medical device using negative pressure that can use a 4-port solenoid valve to reduce the interval of inhaling and discharging air and minimize the time of negative pressure repetition.

[0015] Another object of the present invention is to provide an air filter structure that can effectively dampen the vibration generated during the operation of a vacuum motor, and a therapeutic medical device using negative pressure including the air filter structure.

[0016] Technical Solution

[0017] To achieve the above object, according to an embodiment of the air filter structure of the present invention, it is characterized in that it includes: a filter pipe member with both end portions open and having an air passage flow path for air to pass through inside; a porous filter member located in the air passage flow path and having a plurality of pores for air to pass through.

[0018] According to an embodiment of the air filter structure of the present invention, it may further include: a first filter connection pipe member connected to one side of the filter pipe member and having a flow path with a diameter smaller than that of the air passage flow path; and a second filter connection pipe member connected to the other side of the filter pipe member and having a flow path with a diameter smaller than that of the air passage flow path; the porous filter member may be arranged in multiple numbers between the first filter connection pipe member and the second filter connection pipe member, and its movement is restricted by being blocked by the first filter connection pipe member and the second filter connection pipe member.

[0019] In the present invention, the filter pipe member may contract due to the pressure drop of the air generated inside when filtering foreign matters by using the porous filter member during the process of sucking external air from the first inlet on one side and discharging it from the second outlet on the other side, and expand when discharging air from the second outlet back to the first inlet, thereby canceling the fluctuations in the fluctuating air.

[0020] In addition, in order to achieve the above-mentioned purpose, according to an embodiment of the therapeutic medical device using negative pressure of the present invention, it may include: a cup member in contact with the skin of the treatment target part and having an inhalation space for sucking the skin inside; a vacuum motor unit equipped with an inhalation port for sucking air into the inside and a discharge port for discharging the air sucked into the inside to the outside; a plurality of air pipeline parts connected to the vacuum motor unit and the cup member to suck the air inside the cup member and discharge it to the outside or supply air to the inside of the cup member; an air filter structure located in the air pipeline parts; and a valve part connected to a plurality of the air pipeline parts to adjust the direction of the air flowing to the plurality of air pipeline parts; when generating negative pressure inside the cup member or releasing the negative pressure inside the cup member, the valve part can adjust the direction of the air to suck air through the inhalation port and discharge air through the discharge port.

[0021] In the present invention, the air filter structure may include: a filter pipe member with both ends open and having an air passage flow path for air to pass through inside; and a porous filter member located in the air passage flow path and having a plurality of pores for air to pass through.

[0022] In the present invention, the air pipeline part may further include: a first filter connection pipe component having a flow path with a diameter smaller than that of the air passage flow path, and thus inserted into one side of the filter pipe component; and a second filter connection pipe component having a flow path with a diameter smaller than that of the air passage flow path, and thus inserted into the other side of the filter pipe component. The porous filter components may be arranged in plurality between the first filter connection pipe component and the second filter connection pipe component and be restricted in movement by being blocked by the first filter connection pipe component and the second filter connection pipe component.

[0023] In the present invention, when the filter pipe component discharges the air inside the cup component sucked into the vacuum motor part to the outside in order to form a negative pressure in the cup component, it may expand, thereby canceling the fluctuations in the air containing fluctuations and reducing noise thereby, and when sucking outside air into the air pipeline part in order to relieve the negative pressure inside the cup component, it may contract.

[0024] In the present invention, the valve part may be a 4-port solenoid valve part including 4 ports connectable to the air pipeline. The air pipeline part may include: a first air pipeline part connected to the first port of the 4-port solenoid valve part for sucking outside air or discharging inside air to the outside; a second air pipeline part connecting the second port of the 4-port solenoid valve part and the suction port of the vacuum motor part; a third air pipeline part connecting the third port of the 4-port solenoid valve part and the discharge port; and a fourth air pipeline part connecting the 4-port solenoid valve part and the cup component.

[0025] In the present invention, when the vacuum motor part operates to suck the air inside the cup component and thereby generate a negative pressure on the cup component, the 4-port solenoid valve part may connect the fourth air pipeline part and the second air pipeline part, and connect the third air pipeline part and the first air pipeline part. When the vacuum motor part operates to suck outside air through the first air pipeline part and thereby relieve the negative pressure inside the cup component, the 4-port solenoid valve part may connect the first air pipeline part and the second air pipeline part, and connect the third air pipeline part and the fourth air pipeline part.

[0026] In the present invention, the air filter structure may remove foreign matters contained in the outside air flowing in through the first air pipeline part by being located in the first air pipeline part, and may reduce noise when discharging the air inside the vacuum motor part to the outside through the first air pipeline part.

[0027] In the present invention, the air filter structure may include: a filter tube member having open ends on both sides and an air passage flow path for air to pass through inside; a porous filter member located in the air passage flow path and having a plurality of pores for air to pass through; the filter tube member may be made of an elastic material that can contract or expand by the pressure of air, and the filter tube member may expand when discharging the air inhaled into the inside of the cup member by the vacuum motor unit to the outside in order to form a negative pressure in the cup member, thereby canceling the fluctuations in the fluctuating air and reducing noise accordingly.

[0028] In addition, in order to achieve the above object, an embodiment of a therapeutic medical device using negative pressure according to the present invention is characterized by including: a cup member in contact with the skin of a treatment target site and having an inhalation space for sucking the skin inside; a vacuum motor unit having an inhalation port for sucking air into the inside and a discharge port for discharging the air inhaled into the inside to the outside; an air pipe unit connecting the cup member and the vacuum motor unit; an air filter structure located in the air pipe unit; and a vibration absorption support unit on which the vacuum motor unit can be placed on the upper part and made of an elastic material to absorb the vibration generated in the vacuum motor unit.

[0029] In the present invention, the vibration absorption support unit may include: a first vibration absorption pad member made of an elastic material on which the vacuum motor unit can be placed on the upper part; a second vibration absorption pad member located below the first vibration absorption pad member and made of an elastic material; and a base support member located below the second vibration absorption pad member for fixing the positions of the first vibration absorption pad member and the second vibration absorption pad member.

[0030] In the present invention, the vibration absorption support unit may further include: a pad position fixing unit for fixing the positions of the second vibration absorption pad member and the first vibration absorption pad member sequentially stacked on the base support member.

[0031] In the present invention, the pad position fixing unit may include: a pad fixing boss member protruding from the base support member and arranged to penetrate through the second vibration absorption pad member and the first vibration absorption pad member; a pad fixing coupling member coupled to the upper end of the pad fixing boss member and closely attached to the upper part of the first vibration absorption pad member; and a motor fixing coupling member penetrating through the first vibration absorption pad member between the second vibration absorption pad member and the first vibration absorption pad member and coupled to the lower surface of the vacuum motor unit.

[0032] In the present invention, the boss member for fixing the pad may protrude at the same height as the stacked height of the first vibration absorption pad member and the second vibration absorption pad member, or may have a height between 95% and 100% of the stacked height.

[0033] In the present invention, a threaded groove for fixing the pad for bolt fastening may be provided on the upper side surface of the boss member for fixing the pad, and the coupling member for fixing the pad may be a bolt for fixing the pad fastened to the threaded groove for fixing the pad.

[0034] In the present invention, a plurality of through holes for fixing the motor may be provided in the first vibration absorption pad member for the coupling member for fixing the motor to pass through, and the coupling member for fixing the motor may be a bolt for fixing the motor that passes through the through holes for fixing the motor and is fastened to the lower surface of the vacuum motor unit.

[0035] To achieve the above object, according to an embodiment of the therapeutic medical device using negative pressure of the present invention, it may further include: a control unit that controls the operation of the vacuum motor unit; the control unit may be connected to a DC power supply unit, convert the DC power into a DC power with an amplified bandwidth range, and then change it into an AC power, and then supply the changed AC power to the vacuum motor unit, thereby adjusting the level of the AC power and controlling the operation of the vacuum motor unit accordingly.

[0036] In the present invention, the control unit may include: a pulse width modulation signal generation unit that changes the DC power into a pulse width modulation signal by being connected to the DC power supply unit; a signal amplification unit that amplifies the pulse width modulation signal generated in the pulse width modulation signal generation unit; a DC power conversion unit that converts the amplified AC power in the signal amplification unit into a DC power; and an AC generation unit that changes the converted DC power into an AC power and supplies it to the vacuum motor unit.

[0037] Advantages of the Invention

[0038] The present invention can filter and remove foreign substances in the air on the air pipeline where negative pressure is repeatedly generated, and reduce the noise generated during the operation of the vacuum motor, thereby preventing equipment failures and malfunction caused by foreign substances while significantly improving the usage environment during use, and achieving the effect of significantly enhancing the commerciality of the device.

[0039] The present invention can use a 4-port solenoid valve to reduce the interval of inhaling and exhausting air and minimize the time of negative pressure repetition, thereby significantly enhancing the therapeutic effect by negative pressure while achieving the effect of obtaining various therapeutic effects.

[0040] In addition, the present invention can minimize the vibration and noise generated during the operation of the vacuum motor, thereby achieving the effect of significantly improving the satisfaction of the treatment personnel and the treatment object personnel during the treatment process using negative pressure while significantly enhancing the commercial value of the medical treatment equipment using negative pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 It is a cross-sectional view illustrating an embodiment of the air filter structure according to the present invention.

[0042] Figure 2 and Figure 3 It is a schematic diagram illustrating an operation example of the air filter structure according to the present invention.

[0043] Figure 4 It is a schematic diagram illustrating an embodiment of a medical treatment device using negative pressure according to the present invention.

[0044] Figure 5 It is a perspective view illustrating an embodiment of a medical treatment device using negative pressure according to the present invention.

[0045] Figure 6 It is a perspective view illustrating a support structure of a vacuum motor unit in an embodiment of a medical treatment device using negative pressure according to the present invention.

[0046] Figure 7 It is a cross-sectional view illustrating a support structure of a vacuum motor unit in an embodiment of a medical treatment device using negative pressure according to the present invention.

[0047] Figure 8 It is a circuit diagram illustrating an embodiment of a control unit for controlling the operation of a vacuum motor unit in an embodiment of a medical treatment device using negative pressure according to the present invention.

[0048] SYMBOL DESCRIPTION

[0049] 1: Air filter structure, 2: Air filter section, 10: Filter pipe component, 10a: Air passage flow path, 20: Porous filter component, 30: First filter connecting pipe component, 40: Second filter connecting pipe component, 100: Cup component, 200: Vacuum motor section, 210: Suction port, 220: Discharge port, 300: Air pipeline section, 310: First air pipeline section, 320: Second air pipeline section, 330: Third air pipeline section, 340: Fourth air pipeline section, 400: Valve section, 410: 4-port solenoid valve section, 500: Control section, 500a: DC power supply section, 510: Pulse width modulation signal generation section, 520: Signal amplification section, 530: DC power conversion section, 540: AC generation section, 600: Main body housing section, 700: Vibration absorption support section, 700a: Boss through hole, 700b: Motor fixing through hole, 710: First vibration absorption pad component, 720: Second vibration absorption pad component, 730: Base support component, 740: Pad position fixing section, 741: Pad fixing boss component, 742: Pad fixing joint component, 743: Motor fixing joint component. Detailed implementation mode

[0050] Next, the present invention will be described in more detail.

[0051] The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that before the detailed description of the present invention, the terms or words used in the following description and claims of this specification should not be construed as being limited to the general or dictionary meanings. Therefore, the embodiments described in this specification and the configurations illustrated in the drawings are only the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, it should be understood that there may be various equivalent alternatives and modification examples at the time of this application.

[0052] Figure 1 is a cross-sectional view illustrating an embodiment of the air filter structure 1 according to the present invention. Refer to Figure 1 , according to an embodiment of the air filter structure 1 of the present invention, includes: a filter pipe component 10 with both end portions open and an air passage flow path 10a for air passage provided inside; and a porous filter component 20 located in the air passage flow path 10a and provided with a plurality of pores for air passage.

[0053] The air filter structure 1 according to the present invention is installed on an air pipeline that allows external air to flow into and be supplied to the inside of the vibration motor, and discharges the internal air discharged from the inside of the vacuum motor to the outside, thereby removing foreign matters in the external air supplied to the inside of the vacuum motor, and absorbing the noise generated in the air pipeline when the external air flows in and the internal air is discharged.

[0054] It should be noted that the air filter structure 1 according to the present invention can be installed on an air pipeline that allows external air to flow into the inside of a device other than the vacuum motor and discharges the air inside the device to the outside, thereby removing foreign matters contained in the external air supplied to the inside of the device, and absorbing the noise generated in the air pipeline when the external air flows in and the internal air is discharged.

[0055] One side of the filter pipe member 10 serves as a first inlet / outlet that allows external air to flow into the inside of the air passage 10a and discharges the internal air to the outside, while the other side serves as a second inlet / outlet that allows internal air to flow into the inside of the air passage 10a and discharges the external air to be supplied to the inside of the device.

[0056] As an example, the porous filter member 20 is made of fibers and is formed in a shape where the outer periphery of the outer side is closely attached to the outer periphery of the inner side of the air passage 10a.

[0057] As an example, the porous filter member 20 is formed of fibers such as non-woven fabric and nanofibers in a shape that can block the air passage 10a, and has a structure that allows the air passing through the air passage 10a to pass through the pores formed between the fibers. It should be noted that it can also be deformed and implemented using a known porous filter made of a known material that can form a plurality of pores.

[0058] As an example, the porous filter member 20 is made of fibers and has a structure formed with a plurality of pores. It can absorb foreign matters contained in the external air passing through the air passage 10a through the plurality of pores, and can also absorb the noise generated when the air flows in or out in the filter pipe member 10, thereby minimizing the noise generated in the air pipeline connected to the filter pipe member 10.

[0059] As an example, when the air passage 10a has a circular cross-section, the porous filter member 20 is formed in a spherical shape, that is, a sphere shape, so that the external air flowing into the inside of the air passage 10a can only pass through the pores by blocking the air passage 10a.

[0060] A plurality of porous filter members 20 are provided inside the filter tube member 10 and are located in the longitudinal direction of the filter tube member 10, that is, in the direction in which air flows in the air passage 10a, so that foreign matters contained in the outside air can be removed more effectively, and the noise generated when high-pressure air passes through the air pipeline connected to the filter tube member 10 can be minimized.

[0061] The filter tube member 10 is made of an elastic material that can contract or expand by the pressure of the air passing through the air passage 10a and return to its original shape by re-contracting. As an example, it can be made of a silicon material.

[0062] According to an embodiment of the air filter structure 1 of the present invention, it further includes: a first filter connection tube member 30, connected to one side of the filter tube member 10 and having a flow path with a diameter smaller than that of the air passage 10a; a second filter connection tube member 40, connected to the other side of the filter tube member 10 and having a flow path with a diameter smaller than that of the air passage 10a.

[0063] As an example, a part of the first filter connection tube member 30 is inserted into one side of the filter tube member 10 and connected to the filter tube member 10, while a part of the second filter connection tube member 40 is inserted into the other side of the filter tube member 10 and connected to the filter tube member 10.

[0064] The first filter connection tube member 30 and the second filter connection tube member 40 respectively function to reduce the diameter of the air passage 10a at both ends of the filter tube member 10, and a plurality of porous filter members 20 are located between the first filter connection tube member 30 and the second filter connection tube member 40.

[0065] The first filter connection tube member 30 and the second filter connection tube member 40 function to support the positions of the plurality of porous filter members 20 in the air passage 10a by reducing the diameter of the flow path available for air flow at both ends of the filter tube member 10, respectively, and prevent the porous filter members 20 from moving due to the air flow in the air passage 10a.

[0066] The positions of two of the plurality of porous filter members 20, which are located on both end sides of the air passage 10a through which air passes, are blocked by the first filter connecting pipe member 30 and the second filter connecting pipe member 40, respectively, so as to prevent the plurality of porous filter members 20 from moving due to the flow of air in the air passage 10a, and to effectively capture and control foreign substances contained in the outside air when the outside air passes through in a state where the positions are stably fixed.

[0067] When outside air flows into the filter pipe member 10 and supplies the outside air to the device, i.e., the vacuum motor, the outside air passes through the plurality of pores of the plurality of porous filter members 20 in the air passage 10a, so that foreign substances are fixed and removed by the entangled fibers of the porous filter members 20.

[0068] Figure 2 It is a schematic diagram illustrating an operation example of the air filter structure 1 according to the present invention, and illustrates an example of sucking outside air through the filter pipe member 10. Refer to Figure 2 When the filter pipe member 10 sucks outside air through the first inlet / outlet and discharges it through the second inlet / outlet to supply air to the device, i.e., the vacuum motor, the outside air passes through the porous filter member 20 in a maintained original form or a contracted state, so that foreign substances in the outside air are filtered by the porous filter member 20.

[0069] Thereby, when sucking outside air, at least a part of the pores of the porous filter member 20 are blocked by foreign substances contained in the outside air.

[0070] Figure 3 It is a schematic diagram illustrating an operation example of the air filter structure 1 according to the present invention, and illustrates an example of discharging inside air to the outside through the filter pipe member 10. Refer to Figure 3 When the filter pipe member 10 sucks inside air through the second inlet / outlet and discharges it to the outside through the first inlet / outlet, since a part of the pores of the porous filter member 20 are blocked, the pressure in the air passage 10a will increase and expand, so that the foreign substances filtered by the porous filter member 20 can be smoothly discharged to the outside together with the air.

[0071] In addition, hereinafter, reference will be made to Figure 2 and Figure 3 to describe in detail the noise reduction structure of the air filter structure 1 according to the present invention when sucking or discharging outside air by means of the vacuum motor, i.e., the device.

[0072] When the vacuum motor sucks in external air and allows the external air to enter the interior of the filter tube member 10, foreign matter contained in the external air will be blocked by the porous filter member 20, thereby generating a load inside the filter tube member 10 and creating a weak vacuum state. The filter tube member 10 made of an elastic material will contract due to the weak vacuum generated inside, that is, the pressure drop of the air. The porous filter member 20 will be pressed against the inner side of the air passage 10a. The external air will only pass through the porous filter member 20, and foreign matter contained in the external air will not pass through the porous filter member 20 and will be filtered. Thus, only pure external air will pass through the pores and be discharged to the other side of the filter tube member 10, and the external air discharged to the other side of the filter tube member 10 will enter the vacuum motor, that is, the interior of the device.

[0073] In addition, when discharging the air sucked from the vacuum motor, that is, the device, to the outside, noise will be generated due to fluctuations (vibrations) in the air. However, the air filter structure 1 according to the present invention can cancel out the fluctuations (vibrations) in the air containing fluctuations (vibrations) and then discharge it, thereby reducing noise.

[0074] That is, when discharging the air sucked from the interior of the vibration motor to the outside, the air containing fluctuations (vibrations) generated inside the vacuum motor will flow into the interior of the filter tube member 10. At this time, since a part of the pores of the porous filter member 20 is blocked, the pressure inside the air passage 10a will increase and expand, thereby capturing the fluctuations (vibrations) of the air, and additionally filtering the fluctuations (vibrations) of the air during the process of passing through the plurality of porous filter members 20, so that the air finally discharged to the end side of the filter tube member 10 is discharged in a state where the fluctuations are removed, thereby significantly reducing the noise caused by the operation of the vacuum motor.

[0075] Figure 4 It is a schematic diagram illustrating an embodiment of a therapeutic medical device using negative pressure according to the present invention. Refer to Figure 4 As an embodiment of a therapeutic medical device using negative pressure according to the present invention, it includes: a cup member 100 that contacts the skin of the treatment target site and is equipped with a suction space for sucking the skin inside; a vacuum motor unit 200 that is equipped with a suction port 210 for sucking air into the interior and a discharge port 220 for discharging the air sucked into the interior to the outside; an air pipeline unit 300 that sucks the air inside the cup member 100 and discharges it to the outside or supplies air to the interior of the cup member 100; and a valve unit 400 that adjusts the direction of the air by being installed on the air pipeline unit 300.

[0076] It should be noted that the vacuum motor unit 200 can be variously modified and implemented using a known vacuum motor having a structure for sucking air and discharging the sucked air, and detailed description thereof will be omitted herein.

[0077] The valve unit 400 is a solenoid valve having a plurality of ports to which a plurality of air pipelines, i.e., a plurality of hoses, can be connected, and adjusts the direction of air by selectively connecting the plurality of air pipelines to the plurality of ports.

[0078] When negative pressure is generated inside the cup member 100 or the negative pressure inside the cup member 100 is released, the valve unit 400 adjusts the direction of air to suck air through the suction port 210 and discharge air through the discharge port 220.

[0079] According to an embodiment of the therapeutic medical device using negative pressure of the present invention, it further includes: an air filter structure 1, located on the air pipeline unit 300, removing foreign substances contained in the external air flowing through the air pipeline unit 300, and reducing noise when discharging the air inside the vacuum motor unit 200 to the outside.

[0080] As an example, the air filter structure 1 is the air filter structure 1 according to the present invention. It should be noted that the embodiments of the air filter structure 1 according to the present invention have been described in detail above, and thus repeated description thereof will be omitted.

[0081] In addition, according to an embodiment of the therapeutic medical device using negative pressure of the present invention, it further includes: an air filter unit 2, located on the air pipeline unit 300, removing foreign substances contained in the external air sucked into the vacuum motor unit 200.

[0082] It should be noted that the air filter unit 2 can be the air filter structure according to the present invention, and in addition, a known air filter for filtering foreign substances contained in the air can also be used.

[0083] Specifically, the valve unit 400 is a 4-port solenoid valve unit 410 including 4 ports to which air pipelines can be connected, and the air pipeline unit 300 includes: a first air pipeline unit 310, connected to the first port of the 4-port solenoid valve unit 410, sucking external air or discharging internal air to the outside; a second air pipeline unit 320, connecting the second port of the 4-port solenoid valve unit 410 to the suction port 210 of the vacuum motor unit 200; a third air pipeline unit 330, connecting the third port of the 4-port solenoid valve unit 410 to the discharge port 220; and a fourth air pipeline unit 340, connecting the fourth port of the 4-port solenoid valve unit 410 to the cup member 100.

[0084] It should be noted that the first air pipeline part 310, the second air pipeline part 320, the third air pipeline part 330, and the fourth air pipeline part 340 are in the form of hoses or pipe bodies through which air can pass, and are well-known structures with flow paths for fluids formed inside. Detailed descriptions will be omitted here.

[0085] In addition, the 4-port solenoid valve part 410 is a 4-port solenoid valve that adjusts the air direction of the hose or pipe body.

[0086] When the vacuum motor part 200 operates to suck the air inside the cup part 100 and thereby generate negative pressure on the cup part 100, power will not be supplied or will be supplied to the 4-port solenoid valve part 410, and the 4-port solenoid valve part 410 connects the fourth air pipeline part 340 and the second air pipeline part 320, and connects the third air pipeline part 330 and the first air pipeline part 310.

[0087] Therefore, when the vacuum motor part 200 operates to suck the air inside the cup part 100 and thereby generate negative pressure on the cup part 100, the air sucked from inside the cup part 100 passes through the fourth air pipeline part 340 and the second air pipeline part 320 and is sucked into the vacuum motor part 200 through the suction port 210, and the air sucked into the vacuum motor part 200 will be discharged through the discharge port 220 and discharged through the third air pipeline part 330 via the first air pipeline part 310 at the discharge port 220.

[0088] When the vacuum motor part 200 operates to suck external air through the first air pipeline part 310 and thereby relieve the negative pressure inside the cup part 100, power will be supplied or not supplied to the 4-port solenoid valve part 410, and the 4-port solenoid valve part 410 connects the first air pipeline part 310 and the second air pipeline part 320, and connects the third air pipeline part 330 and the fourth air pipeline part 340.

[0089] Therefore, when the vacuum motor part 200 operates to suck external air into the first air pipeline part 310 and thereby relieve the negative pressure of the cup part 100, the air sucked into the first air pipeline part 310 passes through the first air pipeline part 310 and the second air pipeline part 320 and is sucked into the vacuum motor part 200 through the suction port 210, and the air sucked into the vacuum motor part 200 will be discharged through the discharge port 220 and discharged through the third air pipeline part 330 via the fourth air pipeline part 340 into the cup part 100 at the discharge port 220, thereby relieving the negative pressure inside the cup part 100.

[0090] According to an embodiment of the therapeutic medical device using negative pressure of the present invention, it operates in a manner that repeatedly generates negative pressure inside the cup member 100 by inhaling the air inside the cup member 100 and then relieves the negative pressure generated inside the cup member 100 by supplying air to the inside of the cup member 100.

[0091] According to an embodiment of the therapeutic medical device using negative pressure of the present invention, it operates in a manner that repeatedly generates negative pressure inside the cup member 100 by the vacuum motor unit 200 and then relieves the generated negative pressure, thereby massaging or treating the skin of the subject to be treated.

[0092] In addition, according to an embodiment of the therapeutic medical device using negative pressure of the present invention, when inhaling the air inside the cup member 100 to generate negative pressure inside the cup member 100, the air is inhaled through the suction port 210 of the vacuum motor unit 200 and discharged through the discharge port 220. When supplying external air inside the cup member 100 to relieve the negative pressure inside the cup member 100, the external air is inhaled through the suction port 210 of the vacuum motor unit 200 and discharged through the discharge port 220. Therefore, the inhalation and relief of inhalation to the cup member 100 can be completed quickly.

[0093] That is, according to an embodiment of the therapeutic medical device using negative pressure of the present invention, when forming negative pressure inside the cup member 100 and relieving the negative pressure formed inside the cup member 100, the air inhaled through the suction port 210 of the vacuum motor unit 200 is utilized. Therefore, the time required for negative pressure and relief of negative pressure can be significantly shortened. Furthermore, by shortening the time interval required for negative pressure and relief of negative pressure, it can be maximally repeated quickly, thereby enhancing the skin treatment effect. At the same time, the adjustment range of the time interval for negative pressure and relief of negative pressure can be expanded, thereby achieving various treatment effects.

[0094] In addition, as an example, the air filter structure 1 is located in the first air pipeline part 310, and the air filter part 2 is located in the fourth air pipeline part 340.

[0095] The first air pipeline part 310 is the final discharge pipe for discharging the air inhaled from the inside of the cup member 100 to the outside when forming negative pressure on the cup member 100, that is, when inhaling the air inside the cup member 100, and is the initial suction pipe for inhaling external air when relieving the negative pressure of the cup member 100.

[0096] Refer to Figure 2 and Figure 3, when the air filter structure 1 discharges the air containing fluctuations (vibrations) to the outside finally through the first air pipeline part 310 after the vacuum motor part 200 sucks the air inside the cup part 100 to form a negative pressure inside the cup part 100, it can cancel the fluctuations (vibrations) of the air containing fluctuations (vibrations) and then discharge it, thereby reducing noise.

[0097] In addition, when the air filter structure 1 sucks outside air through the first air pipeline part 310 to relieve the negative pressure inside the cup part 100, when the outside air flows into the inside of the filter pipe part 10, the foreign matters contained in the outside air are blocked by the porous filter part 20, thereby generating a load inside the filter pipe part 10 and generating a weak vacuum state.

[0098] In addition, the filter pipe part 10 made of an elastic material will shrink by virtue of the weak vacuum generated inside, and the porous filter part 20 will adhere to the inner side of the air passage 10a and only allow the outside air to pass through the pores of the porous filter part 20, while the foreign matters contained in the outside air cannot pass through the porous filter part 20 for filtration. Thus, only the pure outside air passes through the pores and is discharged to the other side of the pipe part 10 and enters the inside of the vacuum motor part 200, and then is supplied to the inside of the cup part 100 again through the discharge port 220.

[0099] That is, when discharging the air sucked from the inside of the vacuum motor part 200 to the outside, the air containing the fluctuations (vibrations) generated inside the vacuum motor will flow into the inside of the filter pipe part 10. At this time, because a part of the pores of the porous filter part 20 are blocked, the pressure inside the air passage 10a will increase and expand, thereby capturing the fluctuations (vibrations) of the air, and additionally filtering the fluctuations (vibrations) of the air during the process of passing through the multiple porous filter parts 20, so that the air finally discharged to the end side of the filter pipe part 10 is discharged in a state of removing fluctuations, thereby greatly reducing the noise caused by the operation of the vacuum motor part 200, and the foreign matters embedded between the porous filter part 20 and the inner side of the air passage 10a can also be discharged to the outside for removal.

[0100] Figure 5 It is a perspective view showing an embodiment of a therapeutic medical device using negative pressure according to the present invention. Refer to Figure 4 and Figure 5 , an embodiment of a therapeutic medical device using negative pressure according to the present invention further includes: a main body housing part 600, in which a vacuum motor part 200 and a control part 500 for controlling the operation of the vacuum motor part 200 are installed.

[0101] The control unit 500 includes a touch screen panel unit that can control the operation of the vacuum motor unit 200 through the operation of a treatment personnel, supplies power to the vacuum motor unit 200, and controls the operation of the vacuum motor unit 200, such as the intensity of the negative pressure inside the cup member 100, the negative pressure, and the repetition time interval for releasing the negative pressure.

[0102] Figure 6 is a perspective view illustrating the support structure of the vacuum motor unit in an embodiment of a negative pressure-using therapeutic medical device according to the present invention, and Figure 7 is a cross-sectional view illustrating the support structure of the vacuum motor unit in an embodiment of a negative pressure-using therapeutic medical device according to the present invention.

[0103] According to an embodiment of a negative pressure-using therapeutic medical device of the present invention, it includes: a vibration absorption support portion 700 on which the vacuum motor unit 200 can be placed on the upper part, and is made of an elastic material to absorb the vibration generated in the vacuum motor unit 200.

[0104] During the process of sucking air into the vacuum motor unit 200 and discharging it, vibrations will be generated, and the vibrations generated in the vacuum motor unit 200 will be transmitted to the main body housing portion 600, so that the vibrations will spread to the entire device, that is, the entire main body housing portion 600, and further the vibrations will be transmitted to the treatment personnel and the treatment object personnel, resulting in discomfort during the treatment process.

[0105] The vibration absorption support portion 700 is made of an elastic material that can absorb the impact caused by the vibration, so as to absorb the vibration generated during the operation of the vacuum motor unit 200.

[0106] The vibration absorption support portion 700 includes a plurality of vibration absorption pad members made of an elastic material and laminated, so as to more effectively absorb the vibration generated during the operation of the vacuum motor unit 200 by means of the plurality of vibration absorption pad members.

[0107] Specifically, the vibration absorption support portion 700 includes: a first vibration absorption pad member 710 made of an elastic material on which the vacuum motor unit 200 can be placed on the upper part; a second vibration absorption pad member 720 located below the first vibration absorption pad member 710 and made of an elastic material; and a base support member 730 located below the second vibration absorption pad member 720 to fix the positions of the first vibration absorption pad member 710 and the second vibration absorption pad member 720.

[0108] In addition, the vibration absorption support portion 700 further includes a pad position fixing portion 740 that fixes the positions of the second vibration absorption pad member 720 and the first vibration absorption pad member 710 stacked in sequence on the base support member 730.

[0109] As an example, the base support member 730 is made of a material such as a metal material or a plastic material. It should be noted that various deformations can be made using a known material with rigidity that can fix the positions of the vacuum motor portion 200, the first vibration absorption pad member 710, and the second vibration absorption pad member 720.

[0110] The pad position fixing portion 740 includes a pad fixing boss member 741 that protrudes on the base support member 730 and is arranged to penetrate the second vibration absorption pad member 720 and the first vibration absorption pad member 710; a pad fixing coupling member 742 that is coupled to the upper end of the pad fixing boss member 741 and is pressed against the upper portion of the first vibration absorption pad member 710; and a motor fixing coupling member 743 that penetrates the first vibration absorption pad member 710 between the second vibration absorption pad member 720 and the first vibration absorption pad member 710 and is coupled to the lower surface of the vacuum motor portion 200.

[0111] As an example, a plurality of boss through holes 700a through which the pad fixing boss member 741 can penetrate are respectively provided on the second vibration absorption pad member 720 and the first vibration absorption pad member 710. The pad fixing boss member 741 protrudes at a height equal to the stacking height of the first vibration absorption pad member 710 and the second vibration absorption pad member 720, or has a height between 95% and 100% of the stacking height. Thus, the first vibration absorption pad member 710 can be pressed by the pad fixing coupling member 742 coupled to the upper end.

[0112] When the height of the pad fixing boss member 741 is greater than the stacking height of the first vibration absorption pad member 710 and the second vibration absorption pad member 720, that is, the sum of the height of the first vibration absorption pad member 710 and the height of the second vibration absorption pad member 720, there may be a problem that the positions of the first vibration absorption pad member 710 and the second vibration absorption pad member 720 cannot be firmly fixed because the pad fixing coupling member 742 cannot be pressed against the first vibration absorption pad member 710.

[0113] In addition, when the height of the boss member 741 for pad fixing is less than 95% of the stacked height of the first vibration damping pad member 710 and the second vibration damping pad member 720, that is, the sum of the height of the first vibration damping pad member 710 and the height of the second vibration damping pad member 720, the durability of the first vibration damping pad member 710 may decrease due to excessive pressing of the first vibration damping pad member 710 by the bonding member 742 for pad fixing, and there may be a problem that the first vibration damping pad member 710 is easily torn at the bonding portion of the bonding member 742 for pad fixing.

[0114] As an example, a fixing thread groove for bolt fastening is provided on the upper side surface of the boss member 741 for pad fixing, and the bonding member 742 for pad fixing is a bolt for pad fixing that is fastened into the fixing thread groove for pad fixing.

[0115] The bolt for pad fixing is fastened into the fixing thread groove for pad fixing, and the position of the first vibration damping pad member 710 and the second vibration damping pad member 720 is fixed by the head of the bolt being pressed against the first vibration damping pad member 710.

[0116] In addition, as an example, a plurality of through holes 700b for motor fixing through which the bonding member 743 for motor fixing can pass are provided on the first vibration damping pad member 710, and the bonding member 743 for motor fixing is a bolt for motor fixing that passes through the through holes 700b for motor fixing and is fastened to the lower surface of the vacuum motor unit 200.

[0117] As an example, although not shown, a bolt fastening groove for fastening the bolt for motor fixing is provided on the lower surface of the vacuum motor unit 200.

[0118] The vibration generated due to the operation of the vacuum motor unit 200 is transmitted to the first vibration damping pad member 710, and the first vibration damping pad member 710 cancels the vibration of the vacuum motor unit 200 for the first time.

[0119] In addition, the vibration of the vacuum motor unit 200 is transmitted to the bonding member 743 for motor fixing, that is, the bolt for motor fixing, and the vibration transmitted to the bolt for motor fixing is transmitted to the second vibration damping pad member 720 and canceled.

[0120] In addition, the vibration transmitted to the first vibration damping pad member 710 is transmitted to the second vibration damping pad member 720, and the second vibration damping pad member 720 and the first vibration damping pad member 710 are fixed together by the boss member 741 protruding on the base support member 730. Therefore, the vibration of the first vibration damping pad member 710 can be absorbed and the vibration generated on the vacuum motor unit 200 can be completely canceled.

[0121] That is, the vibration generated in the vacuum motor unit 200 will be first canceled out by the first vibration absorption pad member 710, and the second vibration absorption pad member 720 absorbs the vibration transmitted to the motor fixing coupling member 743 that fixes the position of the vacuum motor unit 200 by directly fastening to the vacuum motor unit 200 and the vibration remaining after being absorbed by the first vibration absorption pad member 710, thereby completely preventing the vibration of the vacuum motor unit 200 from being transmitted to the base support member 730.

[0122] Thus, the negative pressure-using therapeutic medical device according to the present invention can prevent vibration from being transmitted to the treatment personnel and the treatment target personnel during the treatment by absorbing the vibration generated in the vacuum motor unit 200, thereby greatly improving the convenience of treatment and the satisfaction during treatment.

[0123] In addition, Figure 8 is a circuit diagram illustrating an embodiment of a control unit 500 that controls the operation of the vacuum motor unit 200 in an embodiment of the negative pressure-using therapeutic medical device according to the present invention. As an embodiment, refer to Figure 8 , in an embodiment of the negative pressure-using therapeutic medical device according to the present invention, the control unit 500 controls the performance, that is, the operation, of the vacuum motor unit 200 by adjusting the AC voltage after changing the DC voltage to AC.

[0124] Generally speaking, AC motors and vacuum motors control their performance through phase control of AC. In the above situation, there is a problem that the vibration of AC motors such as vacuum motors intensifies and generates more noise.

[0125] In Figure 8 shown in an embodiment of the negative pressure-using therapeutic medical device according to the present invention, the control unit 500 can control the performance, that is, the operation, of the vacuum motor unit 200 by adjusting the AC voltage after changing the DC voltage to AC, thereby reducing the vibration and noise generated in the vacuum motor unit 200 and controlling the operation of the vacuum motor unit 200 more precisely.

[0126] The control unit 500 is connected to the DC power supply unit 500a to convert the DC power supply into a DC power supply with an amplified bandwidth range and then change it into an AC power supply, and then supply the changed AC power supply to the vacuum motor unit 200 to control the operation of the motor.

[0127] Specifically, the control unit 500 includes: a pulse width modulation signal generation unit 510 that changes a direct current (DC) power supply into a pulse width modulation (PWM) signal by connecting to a DC power supply unit 500a; a signal amplification unit 520 that amplifies the pulse width modulation (PWM) signal generated in the pulse width modulation signal generation unit 510; a DC power conversion unit 530 that converts the amplified alternating current power supply in the signal amplification unit 520 into a direct current (DC) power supply; and an AC generation unit 540 that changes the converted DC power supply into an alternating current (AC) power supply and supplies it to the vacuum motor unit 200.

[0128] As an example, the DC power supply unit 500a supplies a 12V DC power supply, and the signal amplification unit 520 and the DC power conversion unit 530 amplify the pulse width modulation (PWM) signal generated in the pulse width modulation signal generation unit 510, thereby converting it into a 0 - 220V DC power supply.

[0129] In addition, the AC generation unit 540 changes the 0 - 220V DC power supply into an AC power supply with a frequency that can be received by the vacuum motor unit 200. As an example, it changes it into an AC power supply with a frequency of 50 / 60Hz, and supplies the changed AC power supply to the vacuum motor unit 200, thereby controlling the operation of the vacuum motor unit 200.

[0130] The control unit 500 generates a frequency by connecting to the pulse width modulation signal generation unit 510, thereby converting the DC power supply into an AC signal (pulse width modulation (PWM) signal) in the pulse width modulation signal generation unit 510, and adjusting the level of the AC power supply changed from the DC power supply through the AC generation unit 540, thereby controlling the operation of the vacuum motor unit 200, that is, the intensity of the negative pressure inside the cup member 100, the negative pressure, and the repetition time interval of releasing the negative pressure, etc.

[0131] When converting a direct current (DC) power supply into an alternating current (AC) (50 / 60hz) power supply, the efficiency of the transformer during the conversion will decrease due to the low frequency.

[0132] Therefore, in an embodiment of the therapeutic medical device using negative pressure according to the present invention, the control unit 500 changes the DC power supply into an AC signal (pulse width modulation (PWM)) signal in order to improve the efficiency of the transformer in the first stage, and after amplifying and changing it to a high frequency (Khz), generates an AC power supply (0 - 220V) to obtain the required voltage, and then generates a direct current (DC) power supply by smoothing the high - frequency AC power supply.

[0133] That is, it converts direct current (DC) 12V into direct current (DC) (0V to 220V), and after changing the direct current (DC) (0 to 220V) power supply boosted in the second stage to the operating frequency (50 / 60Hz) of the vacuum motor unit 200, it is used as the operating power supply of the motor.

[0134] The control unit 500 changes the direct current (DC) (0 to 220V) power supply boosted in the second stage to the operating frequency (50 / 60Hz) of the vacuum motor unit 200 and uses it as the operating power supply of the motor, thereby controlling the operation of the vacuum motor unit 200 by adjusting the level of the alternating current (AC) power supply rather than by phase-controlling the alternating current (AC) power supply, thereby reducing the noise and vibration of the motor, and can also precisely control the voltage within (0 to 220V), thereby precisely controlling the operation of the vacuum motor unit 200.

[0135] The present invention can filter and remove foreign substances in the air on the air pipeline where negative pressure is repeatedly generated, and reduce the noise generated during the operation of the vacuum motor, thereby achieving the prevention of equipment failures and malfunction due to foreign substances while greatly improving the usage environment during use and greatly enhancing the commerciality of the device.

[0136] The present invention can use the 4-port solenoid valve unit 410 to reduce the interval of inhaling and exhausting air and minimize the time of negative pressure repetition, thereby greatly enhancing the therapeutic effect by means of negative pressure while obtaining various therapeutic effects.

[0137] It should be noted that the present invention is not limited to the above-described embodiments, but can be variously modified and implemented within the scope not departing from the gist of the present invention, and these modifications are also included in the constitution of the present invention.

Claims

1. An air filter structure, characterized in that, Comprising: A filter tube member with both end portions open and having an air passage flow path inside through which air can pass; And A porous filter member located in the air passage flow path and having a plurality of pores through which air can pass.

2. The air filter structure according to claim 1, wherein Further comprising: A first filter connecting tube member connected to one side of the filter tube member and having a flow path with a diameter smaller than that of the air passage flow path; And A second filter connecting tube member connected to the other side of the filter tube member and having a flow path with a diameter smaller than that of the air passage flow path; A plurality of the porous filter members are arranged between the first filter connecting tube member and the second filter connecting tube member and are restricted from moving by being blocked by the first filter connecting tube member and the second filter connecting tube member.

3. The air filter structure according to claim 1, wherein: The filter tube member contracts due to the pressure drop of the air generated inside when filtering foreign matters by using the porous filter member during the process of sucking external air from a first inlet on one side and discharging it from a second outlet on the other side, and expands when discharging air from the second outlet back to the first inlet, thereby canceling the fluctuations in the air containing fluctuations.

4. A therapeutic medical device using negative pressure, characterized in that, Comprising: A cup member in contact with the skin of the treatment target site and having a suction space inside for sucking the skin; A vacuum motor unit equipped with a suction port for sucking air into the interior and a discharge port for discharging the sucked air to the outside; A plurality of air pipeline parts connected to the vacuum motor unit and the cup member to suck the air inside the cup member and discharge it to the outside or supply air to the inside of the cup member; An air filter structure located in the air pipeline part; And A valve part connected to a plurality of the air pipeline parts for adjusting the direction of the air flowing to the plurality of air pipeline parts; When negative pressure is generated inside the cup member or the negative pressure inside the cup member is released, the valve part adjusts the direction of the air to suck air through the suction port and discharge air through the discharge port.

5. The negative pressure-using therapeutic medical device according to claim 4, wherein: The air filter structure comprises: A filter tube member with both end portions open and having an air passage flow path inside through which air can pass; and A porous filter member located in the air passage flow path and having a plurality of pores through which air can pass.

6. The negative pressure-using therapeutic medical device according to claim 5, wherein: The air pipeline part further comprises: A first filter connecting tube member having a flow path with a diameter smaller than that of the air passage flow path and thus inserted into one side of the filter tube member; and A second filter connecting tube member having a flow path with a diameter smaller than that of the air passage flow path and thus inserted into the other side of the filter tube member; A plurality of the porous filter members are arranged between the first filter connection pipe member and the second filter connection pipe member, and their movement is restricted by being blocked by the first filter connection pipe member and the second filter connection pipe member.

7. The therapeutic medical device using negative pressure according to claim 5, wherein: When the filter pipe member discharges the air inhaled into the inside of the cup member by the vacuum motor unit to the outside in order to form a negative pressure in the cup member, it expands, thereby canceling the fluctuations in the fluctuating air and reducing noise thereby, and contracts when outside air is inhaled into the air pipe unit to relieve the negative pressure inside the cup member.

8. The therapeutic medical device using negative pressure according to claim 4, wherein: The valve unit is a 4-port solenoid valve unit including 4 ports connectable to an air pipe. The air pipe unit includes: A first air pipe unit connected to the first port of the 4-port solenoid valve unit, for inhaling outside air or discharging inside air to the outside; A second air pipe unit connecting the second port of the 4-port solenoid valve unit and the suction port of the vacuum motor unit; A third air pipe unit connecting the third port of the 4-port solenoid valve unit and the discharge port; and A fourth air pipe unit connecting the 4-port solenoid valve unit and the cup member.

9. The therapeutic medical device using negative pressure according to claim 8, wherein: When the vacuum motor unit operates to inhale the air inside the cup member and thereby generate a negative pressure on the cup member, the 4-port solenoid valve unit connects the fourth air pipe unit and the second air pipe unit, and connects the third air pipe unit and the first air pipe unit. When the vacuum motor unit operates to inhale outside air through the first air pipe unit and thereby relieve the negative pressure inside the cup member, the 4-port solenoid valve unit connects the first air pipe unit and the second air pipe unit, and connects the third air pipe unit and the fourth air pipe unit.

10. The therapeutic medical device using negative pressure according to claim 9, wherein: The air filter structure removes foreign substances contained in the outside air flowing in through the first air pipe unit by being located in the first air pipe unit, and reduces noise when discharging the air inside the vacuum motor unit to the outside through the first air pipe unit.

11. The therapeutic medical device using negative pressure according to claim 10, wherein: The air filter structure includes: A filter pipe member having both end portions open and equipped with an air passage through which air can pass inside; and A porous filter member located in the air passage and equipped with a plurality of air holes through which air can pass; The filter pipe member is made of an elastic material that can contract or expand by the pressure of air. When the filter tube member expands while discharging the air inhaled into the inside of the cup member by the vacuum motor unit to the outside in order to form a negative pressure in the cup member, it cancels out the fluctuations in the air containing fluctuations and thereby reduces noise.

12. A medical device for treatment using negative pressure, characterized in that, Comprising: A cup member that contacts the skin of the treatment target site and is equipped with a suction space inside for sucking the skin; A vacuum motor unit equipped with a suction port for sucking air into the inside and a discharge port for discharging the air sucked into the inside to the outside; An air pipeline unit that connects the cup member and the vacuum motor unit; An air filter structure located in the air pipeline unit; And A vibration absorption support part on which the vacuum motor unit can be placed on the upper part and is made of an elastic material to absorb the vibration generated in the vacuum motor unit.

13. The negative pressure-using therapeutic medical device according to claim 12, wherein: The vibration absorption support part includes: A first vibration absorption pad member made of an elastic material on which the vacuum motor unit can be placed on the upper part; A second vibration absorption pad member located below the first vibration absorption pad member and made of an elastic material; and A base support member located below the second vibration absorption pad member to fix the positions of the first vibration absorption pad member and the second vibration absorption pad member.

14. The negative pressure-using therapeutic medical device according to claim 13, wherein: The vibration absorption support part further includes: A pad position fixing part for fixing the positions of the second vibration absorption pad member and the first vibration absorption pad member sequentially stacked on the base support member.

15. The negative pressure-using therapeutic medical device according to claim 14, wherein: The pad position fixing part includes: A pad fixing boss member protruding on the base support member and arranged to penetrate the second vibration absorption pad member and the first vibration absorption pad member; A pad fixing coupling member coupled to the upper end of the pad fixing boss member and pressing against the upper part of the first vibration absorption pad member; and A motor fixing coupling member penetrating the first vibration absorption pad member between the second vibration absorption pad member and the first vibration absorption pad member and coupled to the lower surface of the vacuum motor unit.

16. The negative pressure-using therapeutic medical device according to claim 15, wherein: The pad fixing boss member protrudes at a height equal to the stacking height of the first vibration absorption pad member and the second vibration absorption pad member, or has a height between 95% and 100% of the stacking height.

17. The negative pressure-using therapeutic medical device according to claim 15, wherein: A pad fixing thread groove for bolt fastening is provided on the upper side surface of the pad fixing boss member, And the pad fixing coupling member is a pad fixing bolt fastened to the pad fixing thread groove.

18. The therapeutic medical device using negative pressure according to claim 15, characterized in that: A plurality of through-holes for fixing the motor are provided in the first vibration absorption pad member, through which the binding member for fixing the motor can pass. The binding member for fixing the motor is a motor fixing bolt that passes through the through-holes for fixing the motor and is fastened to the lower surface of the vacuum motor unit.

19. The therapeutic medical device using negative pressure according to claim 12, characterized in that, It further includes: A control unit that controls the operation of the vacuum motor unit; The control unit is connected to the DC power supply unit, converts the DC power into a DC power with an amplified bandwidth range, then changes it into an AC power supply, and supplies the changed AC power supply to the vacuum motor unit, thereby adjusting the level of the AC power supply and controlling the operation of the vacuum motor unit accordingly.

20. The therapeutic medical device using negative pressure according to claim 19, characterized in that: The control unit includes: A pulse width modulation signal generation unit that changes the DC power supply into a pulse width modulation signal by being connected to the DC power supply unit; A signal amplification unit that amplifies the pulse width modulation signal generated in the pulse width modulation signal generation unit; A DC power conversion unit that converts the amplified AC power supply obtained in the signal amplification unit into a DC power supply; and An AC generation unit that changes the converted DC power supply into an AC power supply and supplies it to the vacuum motor unit.

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