Physiotherapy equipment

By designing a flexible pad and a Z-axis motor-driven acupuncture rod system, the problem of the acupuncture treatment device being unable to deform is solved, and close adaptation and vertical contact with the human body curve are achieved, thereby improving the effect and adaptability of acupuncture treatment.

CN223453480UActive Publication Date: 2025-10-21SHENZHEN H&T INTELLIGENT CONTROL
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Patent Information

Application Number
CN202421612404.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-08
Publication Date
2025-10-21
Estimated Expiration
2034-07-08

AI Technical Summary

Technical Problem

Existing acupuncture treatment devices cannot follow the curve deformation of different parts of the human body, resulting in low adaptability.

Method used

A physical therapy device is designed, which includes a cushion body and an acupuncture component. The cushion body has an inflation cavity and a receiving cavity. The cushion body is made of a flexible material. The acupuncture component consists of a Z-axis motor and an acupuncture rod. The Z-axis motor drives the acupuncture rod to reciprocate along the length direction of its output shaft. The cushion body can deform along the curve of the human body. The Z-axis motor follows the cushion body to offset to maintain verticality. The acupuncture rod is in vertical contact with the human skin.

Benefits of technology

The adaptability of physical therapy equipment is improved, ensuring that the acupuncture rod can maintain vertical contact with the curved surface of the human body, enhancing the effect of acupuncture physical therapy, reducing the lack of fit between the equipment and the skin, and improving the accuracy and effect of acupuncture treatment.

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Abstract

The embodiment of the utility model relates to the technical field of physical therapy, and particularly discloses physical therapy equipment which comprises a pad body and an acupuncture assembly. The cushion body is provided with an inflation cavity and a containing cavity, the inflation cavity and the containing cavity are arranged at an interval, the inflation cavity is used for being filled with gas to expand and extrude the containing cavity, and the cushion body is made of a flexible material; the acupuncture and moxibustion assembly comprises a Z-axis motor and an acupuncture and moxibustion rod, the Z-axis motor and the acupuncture and moxibustion rod are both arranged in the containing cavity, the acupuncture and moxibustion rod is connected with an output shaft of the Z-axis motor, the output shaft of the Z-axis motor is perpendicular to the surface, facing the Z-axis motor, of the pad body, and the Z-axis motor is used for driving the acupuncture and moxibustion rod to reciprocate in the length direction of the output shaft of the Z-axis motor. By means of the mode, the cushion body can deform along with curves of different parts of the human body, and adaptability is improved; in addition, the Z-axis motor can deviate along with deformation of the pad body, then an output shaft of the Z-axis motor can be kept perpendicular to the surface, facing the Z-axis motor, of the pad body, and therefore the acupuncture bars can be kept perpendicular to the surface, facing the Z-axis motor, of the pad body.
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Description

TECHNICAL FIELD

[0001] The utility model discloses an embodiment relates to physiotherapy technical field, in particular to a physiotherapy equipment. BACKGROUND

[0002] The physiotherapy equipment is a kind of equipment to treat disease, alleviate symptom or promote recovery by physical technology (such as vibration, heat flow, electric current, ultrasonic wave or laser etc.). The type of physiotherapy equipment is numerous, for example: massage instrument, hot compress device, electrotherapy device, ultrasonic therapy instrument or laser therapy instrument etc., and the physiotherapy equipment involving acupuncture is few.

[0003] The physiotherapy equipment involving acupuncture is usually called acupuncture therapy instrument, and the treatment mode of acupuncture therapy instrument is different from the treatment mode of traditional acupuncture, and the treatment mode of traditional acupuncture is to puncture skin by sharp acupuncture needle to stimulate specific acupoint, while the treatment mode of acupuncture therapy instrument is to impact or press skin by non-sharp acupuncture stick to compress specific acupoint. At present, acupuncture therapy instrument is usually of specific shape, for adapting to specific part of human body, and it cannot deform following the curve of different parts of human body, causing low adaptability of acupuncture therapy instrument. SUMMARY

[0004] The embodiment of the utility model mainly solves the technical problem to provide a kind of physiotherapy equipment, can deform following the curve of different parts of human body, improve adaptability.

[0005] To solve the above technical problem, one technical scheme of the embodiment of the utility model is provided: provide a kind of physiotherapy equipment, including pad and acupuncture component;Pad is provided with inflation cavity and containing cavity, the inflation cavity and the containing cavity are interval arrangement, the inflation cavity is used to fill gas to swell extrusion the containing cavity, and the pad is of flexible material;Acupuncture component includes Z-axis motor and acupuncture stick, the Z-axis motor and the acupuncture stick are all set in the containing cavity, the acupuncture stick is connected with the output shaft of the Z-axis motor, the output shaft of the Z-axis motor is perpendicular to the surface of the pad towards the Z-axis motor, and the Z-axis motor is used to drive the acupuncture stick reciprocating motion along the length direction of the output shaft of the Z-axis motor.

[0006] Optionally, the number of containing cavities is multiple, and multiple containing cavities are arranged in an array;The number of Z-axis motors and acupuncture sticks is multiple, a Z-axis motor and an acupuncture stick are arranged in a containing cavity, and the output shaft of a Z-axis motor is connected with an acupuncture stick;When the pad deforms, multiple Z-axis motors are offset following the deformation of the pad, so that the output shaft of multiple Z-axis motors is perpendicular to the surface of the pad towards the Z-axis motor.

[0007] Optionally, the pad body is further provided with a through hole, the through hole being in communication with the accommodating cavity, and the through hole being used for allowing the acupuncture rod to pass through the pad body during reciprocating movement.

[0008] Optionally, the pad body further comprises a shock-absorbing sleeve, the shock-absorbing sleeve being fixed to the accommodating cavity, and the shock-absorbing sleeve being arranged at one end of the Z-axis motor, and the other end of the Z-axis motor being in abutment with the inner wall of the accommodating cavity.

[0009] Optionally, the shock-absorbing sleeve is spaced apart from the Z-axis motor at the one end of the shock-absorbing sleeve, so as to form a heat dissipation channel, and the heat dissipation channel is in communication with the through hole.

[0010] Optionally, the shock-absorbing sleeve comprises a first sleeve body and a second sleeve body, one end of the first sleeve body is connected to one end of the second sleeve body, and the other end of the first sleeve body is spaced apart from the other end of the second sleeve body to form a separation groove, the first sleeve body and the second sleeve body are both made of elastic material, and the separation groove is used for allowing the other end of the first sleeve body and the other end of the second sleeve body to move away from each other or move close to each other, so as to sleeve the Z-axis motor.

[0011] Optionally, the pad body further comprises a gas valve, and the pad body is further provided with a gas nozzle in communication with the inflation cavity, and the gas valve is arranged in the gas nozzle.

[0012] Optionally, along the length direction of the pad body, the pad body is further provided with a first connecting hole and a second connecting hole arranged oppositely, and the first connecting hole and the second connecting hole are used for allowing external connecting components to pass through and be fixed.

[0013] Optionally, along the width direction of the pad body, the width of one side of the pad body gradually increases to the width of the other side of the pad body.

[0014] Optionally, the pad body comprises a first pad piece, a second pad piece and a third pad piece, the second pad piece is provided with a first recess, the third pad piece is provided with a second recess, the first pad piece, the second pad piece and the third pad piece are sequentially stacked, the first recess at least partially extends into the second recess, the first pad piece and the first recess jointly enclose the accommodating cavity, and the first pad piece and the second recess jointly enclose the inflation cavity.

[0015] The utility model discloses an advantageous effect of an embodiment is: unlike prior art, the utility model discloses an embodiment provides a physiotherapy equipment, including pad and acupuncture component, pad is provided with inflation cavity and accommodation cavity, and inflation cavity and accommodation cavity are interval arrangement, and inflation cavity is used for filling gas to swell and extrude accommodation cavity, and pad is flexible material, acupuncture component includes Z axle motor and acupuncture stick, and Z axle motor and acupuncture stick all set up in accommodation cavity, and acupuncture stick is connected with the output shaft of Z axle motor, and the output shaft of Z axle motor is perpendicular to the surface of pad towards Z axle motor, and Z axle motor is used for driving acupuncture stick to make reciprocating motion along the length direction of Z axle motor output shaft. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in prior art, the following will briefly introduce the drawing needed to be used in the specific embodiment or prior art description. In all drawings, similar elements or parts are generally identified by similar reference signs. In the drawings, various elements or parts are not necessarily drawn according to the actual proportion.

[0017] Figure 1 It is the whole structure schematic of the physiotherapy equipment provided by the utility model embodiment Figure 1 ;

[0018] Figure 2 It is the whole structure schematic of the physiotherapy equipment provided by the utility model embodiment Figure 2 ;

[0019] Figure 3 It is the whole structure explosion map of the physiotherapy equipment provided by the utility model embodiment

[0020] Figure 4 It is the partial structure section view of the physiotherapy equipment provided by the utility model embodiment

[0021] Figure 5 It is the structure schematic of acupuncture component and shock attenuation sleeve of the physiotherapy equipment provided by the utility model embodiment Figure 1 ;

[0022] Figure 6 It is the structure schematic of acupuncture component and shock attenuation sleeve of the physiotherapy equipment provided by the utility model embodiment Figure 2 .

[0023] Explanation of reference signs:

[0024] 1 cushion body, 11 inflation cavity, 12 receiving cavity, 13 through hole, 14 air nozzle, 15 first connecting hole, 16 second connecting hole, 17 first gasket, 18 second gasket, 181 first recess, 19 third gasket, 191 second recess, 2 acupuncture assembly, 21 Z-axis motor, 22 acupuncture stick, 3 shock absorbing sleeve, 31 heat dissipation channel, 32 first sleeve body, 33 second sleeve body, 34 separation groove. DETAILED DESCRIPTION

[0025] In order to facilitate the understanding of the present application, the present application will be described in more detail below in conjunction with the drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element or one or more intervening elements can be present therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element or one or more intervening elements can be present therebetween. The terms "upper", "lower", "inner", "outer", "vertical", "horizontal" and the like used in the specification indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as limiting the device or element indicated or implied to have a specific orientation, to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance.

[0026] Unless otherwise defined, all technical and scientific terms used in the specification have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing the specific embodiments and are not used to limit the present application. The term "and / or" used in the specification includes any and all combinations of one or more related listed items.

[0027] Please refer to Figures 1 to 3 A physiotherapy device, comprising a cushion body 1 and an acupuncture assembly 2; the cushion body 1 is provided with an inflation cavity 11 and a receiving cavity 12, the inflation cavity 11 and the receiving cavity 12 are arranged in a spaced manner, the inflation cavity 11 is used to fill gas to expand and press the receiving cavity 12, and the cushion body 1 is of a flexible material; the acupuncture assembly 2 comprises a Z-axis motor 21 and an acupuncture stick 22, both of which are arranged in the receiving cavity 12, the acupuncture stick 22 is connected with the output shaft of the Z-axis motor 21, the output shaft of the Z-axis motor 21 is perpendicular to the surface of the cushion body 1 facing the Z-axis motor 21, and the Z-axis motor 21 is used to drive the acupuncture stick 22 to make reciprocating motion along the length direction of the output shaft of the Z-axis motor 21.

[0028] For the above-mentioned physiotherapy device, please refer to Figures 1 to 3The number of the accommodation cavities 12 is multiple, and the multiple accommodation cavities 12 are arranged in an array; the number of the Z-axis motors 21 and the acupuncture sticks 22 is multiple, one Z-axis motor 21 and one acupuncture stick 22 are arranged in one accommodation cavity 12, and the output shaft of one Z-axis motor 21 is connected with one acupuncture stick 22; when the cushion body 1 is deformed, the multiple Z-axis motors 21 are offset following the deformation of the cushion body 1, so that the output shafts of the multiple Z-axis motors 21 are all perpendicular to the surface of the cushion body 1 which is close to the Z-axis motors 21.

[0029] For the use process of the above-mentioned physiotherapy equipment, in some embodiments, the following is shown: first, the cushion body 1 is bent and fixed on different parts of the human body, so that the cushion body 1 deforms following the curves of different parts of the human body, and the multiple Z-axis motors 21 can be offset following the deformation of the cushion body 1, so that the output shafts of the multiple Z-axis motors 21 are all perpendicular to the surface of the cushion body 1 which is close to the Z-axis motors 21, so that the multiple acupuncture sticks 22 can be perpendicular to the surface of the cushion body 1 which is close to the Z-axis motors 21, then, the gas is filled in the inflation cavity 11, so that the multiple accommodation cavities 12 are expanded and pressed, and then the multiple Z-axis motors 21 are close to the skin of the human body following the surface layer of the cushion body 1 which is in contact with the skin of the human body, finally, the multiple Z-axis motors 21 are started, so that the multiple acupuncture sticks 22 vertically impact or press the skin of the human body to compress different specific acupoints. Through the above-mentioned deformation of the cushion body 1 following the curves of different parts of the human body, the adaptability of the physiotherapy equipment can be improved, and the limitation of the use scene of the physiotherapy equipment can be reduced. Secondly, through the above-mentioned offset of the multiple Z-axis motors 21 following the deformation of the cushion body 1, so that the output shafts of the multiple Z-axis motors 21 are all perpendicular to the surface of the cushion body 1 which is close to the Z-axis motors 21, the problem that the Z-axis motors 21 cannot be perpendicular to the surface of the human body at all times can be solved, and then the multiple acupuncture sticks 22 can vertically impact or press the different specific acupoints of the curved surface of the human body at all times, so that the acupuncture physiotherapy effect can be improved. Furthermore, through the expansion and pressing of the multiple accommodation cavities 12 by the inflation cavity 11, the multiple Z-axis motors 21 can be close to the skin of the human body following the surface layer of the cushion body 1 which is in contact with the skin of the human body, so that the insufficient adhesion or tightness of the physiotherapy equipment to the skin of the human body can be reduced.

[0030] For the above-mentioned physiotherapy equipment, in order to further improve the acupuncture physiotherapy effect of the physiotherapy equipment, please refer to Figures 1 to 3 The cushion body 1 is further provided with a through hole 3, the through hole 3 communicates with the accommodation cavities 12, and the through hole 3 is used for the acupuncture stick 22 to pass through the cushion body 1 during reciprocating motion. Relative to the indirect contact of the acupuncture stick 22 with the skin of the human body, through the above-mentioned way, the acupuncture stick 22 can directly contact the skin of the human body, and then the compression force of the acupuncture stick 22 on the specific acupoint of the skin of the human body can be increased, so that the stimulation signal can be more effectively transmitted, and the acupuncture physiotherapy effect can be enhanced.

[0031] For the above-mentioned physiotherapy equipment, in order to reduce the uncomfortable feeling caused by the vibration of the physiotherapy equipment during the use of the physiotherapy equipment, please refer to Figure 3 andFigure 4 Further comprising a shock-absorbing sleeve 3 fixed in the accommodating cavity 12, the shock-absorbing sleeve 3 is arranged at one end of the Z-axis motor 21, and the other end of the Z-axis motor 21 abuts against the inner wall of the accommodating cavity 12. In the above manner, the shock-absorbing sleeve 3 can buffer the Z-axis motor 21, absorb and reduce the vibration generated by the Z-axis motor 21, and further reduce the vibration transmitted to other parts of the physiotherapy device, thereby reducing the vibration of the physiotherapy device. In addition, by reducing the vibration generated by the Z-axis motor 21, the stability of the Z-axis motor 21 can be increased, and further unnecessary shaking and swinging of the Z-axis motor 21 can be reduced, thereby improving the accuracy of the acupuncture stick 22 hitting or pressing the specific acupoint of the human body skin, and helping to improve the acupuncture physiotherapy effect of the physiotherapy device.

[0032] In some embodiments, in addition to setting the shock-absorbing sleeve 3 structure, a shock-absorbing layer structure can also be provided, which includes but is not limited to the accommodating cavity 12 arranged inside the pad body 1, the inflation cavity 11 inside the pad body 1, or the surface outside the pad body 1, etc.

[0033] For the above-mentioned shock-absorbing sleeve 3, please refer to Figures 4 to 6 The end of the shock-absorbing sleeve 3 away from the Z-axis motor 21 is spaced apart from the Z-axis motor 21 to form a heat dissipation channel 31, and the heat dissipation channel 31 communicates with the through hole 3. In the above manner, the heat dissipation effect of the Z-axis motor 21 can be improved, and damage of the Z-axis motor 21 due to insufficient heat dissipation can be reduced.

[0034] In some embodiments, the Z-axis motor 21 includes a motor body and a circuit board, and the motor body and the circuit board are both sleeved in the shock-absorbing sleeve 3. The motor body is connected to one side of the circuit board, and the other side of the circuit board faces the heat dissipation channel 31 and is spaced apart from the heat dissipation channel 31. In the above manner, the heat generated by the work of the circuit board can be quickly dissipated to the heat dissipation channel 31 and quickly dissipated through the heat dissipation channel 31, and the heat dissipation effect of the Z-axis motor 21 can be further improved.

[0035] For the above-mentioned shock-absorbing sleeve 3, please refer to Figures 4 to 6 The shock-absorbing sleeve 3 includes a first sleeve body 32 and a second sleeve body 33, one end of the first sleeve body 32 is connected to one end of the second sleeve body 33, and the other end of the first sleeve body 32 is spaced apart from the other end of the second sleeve body 33 to form a separation groove 34. The first sleeve body 32 and the second sleeve body 33 are both made of elastic material, and the separation groove 34 is used for the other end of the first sleeve body 32 and the other end of the second sleeve body 33 to move away from each other or move close to each other to sleeve the Z-axis motor 21.

[0036] For the above-mentioned physiotherapy device, in order to facilitate filling gas in the inflation cavity 11, please refer to Figure 4 Further comprising a gas valve (not shown in the figure), and the pad body 1 is further provided with a gas nozzle 14 communicating with the inflation cavity 11, and the gas valve (not shown in the figure) is arranged in the gas nozzle 14.

[0037] For the above pad 1, please refer to Figures 1 to 3 , along the length direction of the pad 1, the pad 1 is also provided with a first connecting hole 15 and a second connecting hole 16 arranged oppositely, the first connecting hole 15 and the second connecting hole 16 are used for the external connecting component to pass through the fixing. It can be understood that the external connecting component includes but is not limited to a rope, a clamp, a clamp, a ring buckle, a button port or a magic tape and the like.

[0038] For the above pad 1, please refer to Figures 1 to 3 , along the width direction of the pad 1, the width of one side of the pad 1 gradually increases to the width of the other side of the pad 1. Through the above-mentioned mode, the overall shape of the pad 1 is trapezoidal structure, when the pad 1 is bent and fixed around different parts of the human body, the curve of the human body can be improved to adapt to different parts, especially in the bending and fixing around the part of the human body with gradually changing thickness, such as the instep, the calf, the thigh or the arm and the like.

[0039] For the above pad 1, please refer to Figure 3 and Figure 4 , the pad 1 includes a first pad 17, a second pad 18 and a third pad 19, the second pad 18 is provided with a first recess 181, the third pad 19 is provided with a second recess 191, the first pad 17, the second pad 18 and the third pad 19 are sequentially superposed, the first recess 181 at least partially extends into the second recess 191, the first pad 17 and the first recess 181 jointly enclose to form a containing cavity 12, and the first pad 17 and the second recess 191 jointly enclose to form an inflation cavity 11.

[0040] The utility model embodiment provides a kind of physiotherapy equipment, including pad 1 and acupuncture component 2;Pad 1 is provided with inflation cavity 11 and containing cavity 12, inflation cavity 11 and containing cavity 12 are arranged with interval, inflation cavity 11 is used to fill gas to inflate extrusion containing cavity 12, and pad 1 is of flexible material;Acupuncture component 2 includes Z-axis motor 21 and acupuncture stick 22, Z-axis motor 21 and acupuncture stick 22 are all arranged in containing cavity 12, acupuncture stick 22 is connected with the output shaft of Z-axis motor 21, the output shaft of Z-axis motor 21 is perpendicular to the surface of pad 1 towards Z-axis motor 21, and Z-axis motor 21 is used to drive acupuncture stick 22 to reciprocate along the length direction of the output shaft of Z-axis motor 21. Through the above-mentioned mode, pad 1 can deform following the curve of different parts of human body, and adaptability is improved;In addition, Z-axis motor 21 can be offset following the deformation of pad 1, and then the output shaft of Z-axis motor 21 can be kept perpendicular to the surface of pad 1 towards Z-axis motor 21, so that acupuncture stick 22 can be kept perpendicular to the surface of pad 1 towards Z-axis motor 21.

[0041] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made according to the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A physiotherapy apparatus characterised in that, The device comprises: a cushion body provided with an inflation cavity and a receiving cavity, the inflation cavity and the receiving cavity are arranged in a spaced manner, the inflation cavity is used to fill gas to expand and press the receiving cavity, and the cushion body is made of flexible material; an acupuncture assembly comprising a Z-axis motor and an acupuncture rod, the Z-axis motor and the acupuncture rod are arranged in the receiving cavity, the acupuncture rod is connected with the output shaft of the Z-axis motor, the output shaft of the Z-axis motor is perpendicular to the surface of the cushion body facing the Z-axis motor, and the Z-axis motor is used to drive the acupuncture rod to reciprocate along the length direction of the output shaft of the Z-axis motor.

2. The physiotherapy device according to claim 1, wherein: the number of the receiving cavities is multiple, and the multiple receiving cavities are arranged in an array; the number of the Z-axis motors and the number of the acupuncture rods are both multiple, one Z-axis motor and one acupuncture rod are arranged in one receiving cavity, and the output shaft of one Z-axis motor is connected with one acupuncture rod; when the cushion body is deformed, the multiple Z-axis motors are offset following the deformation of the cushion body, so that the output shafts of the multiple Z-axis motors are all perpendicular to the surface of the cushion body facing the Z-axis motor.

3. The physiotherapy device according to claim 1, wherein: the cushion body is further provided with a through hole, the through hole is communicated with the receiving cavity, and the through hole is used for the acupuncture rod to pass through the cushion body during reciprocation.

4. The physiotherapy device according to claim 3, wherein: a damping sleeve is further arranged, the damping sleeve is fixed to the receiving cavity, the damping sleeve is arranged at one end of the Z-axis motor, and the other end of the Z-axis motor is in abutment with the inner wall of the receiving cavity.

5. The physiotherapy device according to claim 4, wherein: the other end of the damping sleeve away from the Z-axis motor is spaced from the Z-axis motor to form a heat dissipation channel, and the heat dissipation channel is communicated with the through hole.

6. The physiotherapy device according to claim 4, wherein: the damping sleeve comprises a first sleeve body and a second sleeve body, one end of the first sleeve body is connected with one end of the second sleeve body, the other end of the first sleeve body is spaced from the other end of the second sleeve body to form a separation groove, the first sleeve body and the second sleeve body are both made of elastic material, and the separation groove is used for the other end of the first sleeve body and the other end of the second sleeve body to move away from or close to each other to sleeve the Z-axis motor.

7. The physiotherapy device according to claim 1, wherein: a gas valve is further arranged, the cushion body is further provided with a gas nozzle communicated with the inflation cavity, and the gas valve is arranged in the gas nozzle.

8. The physiotherapy device according to claim 1, wherein: first and second connecting holes are arranged on the cushion body in a relative manner along the length direction of the cushion body, and the first and second connecting holes are used for external connecting components to pass through and be fixed.

9. The physiotherapy device according to claim 1, wherein: the width of one side of the cushion body gradually increases to the width of the other side of the cushion body along the width direction of the cushion body.

10. The physiotherapy device according to any one of claims 1-9, wherein: The cushion body comprises a first gasket, a second gasket and a third gasket, the second gasket is provided with a first recess, the third gasket is provided with a second recess, the first gasket, the second gasket and the third gasket are stacked in sequence, the first recess at least partially extends into the second recess, and the first gasket and the first recess jointly enclose the accommodation cavity, and the first gasket and the second recess jointly enclose the inflation cavity.