Ultrasonic therapeutic apparatus

Abstract

The utility model discloses an ultrasonic therapeutic apparatus, and relates to the technical field of ultrasonic therapeutic apparatuses, the ultrasonic therapeutic apparatus comprises a driving mechanism, a transducer assembly, a therapeutic head and a handle, the transducer assembly is used for emitting ultrasonic energy; the treatment head comprises a mounting end and a sound transmission end, and the transducer assembly is movably mounted in the treatment head; the handle is detachably connected with the installation end of the treatment head, the driving mechanism is installed in the handle and detachably connected with the transducer assembly, and the driving mechanism is used for driving the transducer assembly to move in the direction close to or away from the sound transmission end; according to the technical scheme, the replacement cost of the treatment head can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of ultrasonic therapeutic instruments, in particular to an ultrasonic therapeutic instrument. Background Art

[0002] In the related art, in order to make the treatment head of the ultrasonic therapeutic device have different focal lengths to reach different depths of the skin to achieve focusing treatment, the adjustment treatment can be achieved by driving the transducer to move through a built-in focusing drive mechanism in the treatment head. However, this setting method will increase the replacement cost of the treatment head when the treatment head reaches the end of its service life and needs to be replaced. Utility Model Content

[0003] The main purpose of the utility model is to provide an ultrasonic therapeutic apparatus, aiming to reduce the replacement cost of the therapeutic head.

[0004] To achieve the above-mentioned purpose, the ultrasonic therapeutic apparatus proposed in the present invention comprises:

[0005] Drive mechanism;

[0006] a transducer assembly for transmitting ultrasonic energy;

[0007] A treatment head, the treatment head comprising a mounting end and a sound-transmitting end, the transducer assembly being movably mounted within the treatment head;

[0008] A handle, wherein the handle is detachably connected to the mounting end of the treatment head, the driving mechanism is installed in the handle and is detachably connected to the transducer assembly, and the driving mechanism is used to drive the transducer assembly to move toward or away from the sound-transmitting end.

[0009] In one embodiment, a first magnetic attraction member is provided at one end of the driving mechanism facing the transducer assembly;

[0010] A second magnetic component is provided at one end of the transducer assembly facing the driving mechanism, and the second magnetic component is used for magnetically cooperating with the first magnetic component.

[0011] In one embodiment, the transducer assembly comprises:

[0012] a transducer movably mounted in the treatment head; and

[0013] The bracket is connected to the end of the transducer away from the sound-transmitting end, the end of the bracket away from the transducer extends toward the treatment head, and is provided with the second magnetic element.

[0014] In one embodiment, the ultrasonic therapeutic apparatus further includes a cover body, which is installed in the treatment head and located at one end of the transducer facing away from the sound transmission end. A sliding channel with both ends penetrating is provided in the cover body;

[0015] One end of the bracket facing away from the transducer movably penetrates into the sliding channel to move closer to or away from the sound transmission end along the extension direction of the sliding channel.

[0016] In one embodiment, the cover body includes:

[0017] A limiting portion, which has a cylindrical structure and the sliding channel is provided therein; and

[0018] A cover plate portion, which is installed on the treatment head and is disposed around one end of the limiting portion facing away from the transducer.

[0019] In one embodiment, the ultrasonic therapeutic apparatus further includes a sealing member, which is disposed in the treatment head, surrounds the circumferential side of the limiting portion, and is telescopically connected between the cover plate portion and the bracket.

[0020] In one embodiment, there is a gap between the inner wall of the sealing member and the outer wall of the limiting portion. The bracket, the sealing member and the cover body together enclose an installation cavity;

[0021] One end of the bracket facing the transducer is provided with a first wire passing hole communicating with the installation cavity, the cover body portion is provided with a second wire passing hole communicating with the installation cavity, and the transducer is provided with a connecting wire. The connecting wire is used to sequentially pass through the first wire passing hole, the installation cavity and the second wire passing hole to extend to the installation end of the treatment head.

[0022] In one embodiment, a first limiting groove is provided on one side of the bracket facing the cover plate portion, and the first limiting groove is circumferentially arranged around the limiting portion;

[0023] A second limiting groove is provided on one side of the cover plate portion facing the bracket, and the second limiting groove is circumferentially arranged around the limiting portion and is oppositely arranged to the first limiting groove. Both ends of the sealing member are respectively limited in the first limiting groove and the second limiting groove.

[0024] In one embodiment, the bracket includes:

[0025] An installation portion, which is disposed on one side of the transducer facing the treatment head and is connected to the transducer; and

[0026] A connecting portion, which is disposed on one side of the installation portion facing away from the transducer and movably penetrates into the sliding channel.

[0027] In one embodiment, the cross-sectional area of the mounting portion is larger than that of the connecting portion to stop outside the sliding channel;

[0028] The maximum length of the connecting portion located within the sliding channel is greater than the length of the moving stroke of the mounting portion.

[0029] The technical solution of the present utility model is to arrange the transducer assembly on the treatment head and the driving assembly on the handle. The handle and the treatment head can be detachably connected at the mounting end of the treatment head, so that the handle and the treatment head can be assembled together, and the transducer assembly and the driving mechanism can be docked with each other. Furthermore, by making the transducer assembly and the driving mechanism detachably connected, the driving mechanism can drive the transducer assembly to move in a direction close to or away from the sound-transmitting end of the treatment head, so as to realize the focusing treatment of the ultrasonic therapeutic apparatus. With such an arrangement, after the treatment head reaches its service life, only the treatment head needs to be replaced, instead of replacing the driving assembly arranged on the handle, thereby reducing the replacement cost of the treatment head. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0031] Figure 1 It is a schematic structural diagram of an embodiment of the ultrasonic therapeutic apparatus provided by the present utility model;

[0032] Figure 2 is Figure 1 a partial structural diagram of the ultrasonic therapeutic apparatus in

[0033] Explanation of the reference numerals in the drawings:

[0034] 100, ultrasonic therapeutic apparatus; 10, driving mechanism; 11, first magnetic member; 20, transducer assembly; 21, transducer; 211, connecting wire; 22, bracket; 221, mounting portion; 221a, first wire passing hole; 221b, first limiting groove; 222, connecting portion; 222a, second magnetic member; 30, treatment head; 31, cover body; 311, limiting portion; 311a, sliding channel; 312, cover plate portion; 312a, second wire passing hole; 312b, second limiting groove; 32, sealing member; 40, handle.

[0035] The realization of the purpose, functional features and advantages of the present utility model will be further described with reference to the embodiments and the drawings. Detailed implementation mode

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the scope of protection of the present utility model.

[0037] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model, the directional indications are only used to explain the relative position relationship and movement conditions between components in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0038] In addition, if there are descriptions such as "first", "second", etc. in the embodiments of the present utility model, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, if "and / or" or "and / or" appears throughout the text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or a solution that satisfies both A and B at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0039] In the related art, in order to enable the treatment head of the ultrasonic therapeutic instrument to have different focal lengths to reach different depths of the skin for focusing treatment, the adjustment of the treatment can be achieved by driving the transducer to move by means of a focusing drive mechanism built into the treatment head. However, in this setting method, when the treatment head reaches the service life and needs to be replaced, the replacement cost of the treatment head will increase.

[0040] The present utility model proposes an ultrasonic therapeutic instrument 100.

[0041] Please refer to Figures 1 to 2 , in an embodiment of the present utility model, the ultrasonic therapeutic instrument 100 includes:[[]]

[0042] A drive mechanism 10;

[0043] A transducer assembly 20, and the transducer assembly 20 is used to emit ultrasonic energy;

[0044] The treatment head 30, the treatment head 30 includes a mounting end and an acoustic transmission end, and the transducer assembly 20 is movably mounted within the treatment head 30;

[0045] The handle 40, the handle 40 is detachably connected to the mounting end of the treatment head 30, the driving mechanism 10 is installed within the handle 40 and is detachably connected to the transducer assembly 20, and the driving mechanism 10 is configured to drive the transducer assembly 20 to move in a direction closer to or away from the acoustic transmission end.

[0046] Among them, the housing of the handle 40 can be detachably connected to the housing of the treatment head 30 by means of magnetic attraction connection, snap connection, etc. to achieve the connection and fixation therebetween. The driving end of the driving mechanism 10 can be exposed at one end of the handle 40 facing the treatment head 30 to be detachably connected to the transducer assembly 20 exposed at the mounting end of the treatment head 30 by means of magnetic attraction connection, etc. Thus, the transducer assembly 20 can be driven by the driving mechanism 10 to move closer to or away from the acoustic transmission end to achieve the focal depth adjustment of the transducer assembly 20.

[0047] In some embodiments, the driving mechanism 10 can be set as a linear driving mechanism 10 such as a lead screw driving mechanism 10, a telescopic mechanism, a linear cylinder, such as a linear motor, to directly drive the transducer assembly 20 to move towards or away from the acoustic transmission end of the treatment head 30; the driving mechanism 10 can also be set to be composed of a rotational driving mechanism 10 and a transmission mechanism in transmission connection. The rotational driving mechanism 10 such as a rotary motor can drive at least part of the transmission mechanism to rotate, and the transmission mechanism can convert its rotational movement into a linear movement, thereby driving the transducer assembly 20 to move towards or away from the acoustic transmission end of the treatment head 30 through the transmission mechanism, which is not limited herein.

[0048] The technical solution of the present utility model, by arranging the transducer assembly 20 in the treatment head 30 and arranging the driving assembly in the handle 40, can detachably connect between the handle 40 and the mounting end of the treatment head 30, combine and install the handle 40 and the treatment head 30, and make the transducer assembly 20 and the driving mechanism 10 dock with each other. Furthermore, by detachably connecting the transducer assembly 20 and the driving mechanism 10, the driving mechanism 10 can drive the transducer assembly 20 to move in a direction closer to or away from the acoustic transmission end of the treatment head 30 to achieve the focusing treatment of the ultrasonic therapeutic apparatus 100. With such a setting, after the treatment head 30 reaches its service life, only the treatment head 30 needs to be replaced, instead of replacing the driving assembly provided in the handle 40, thereby reducing the replacement cost of the treatment head 30.

[0049] Please refer to Figures 1 to 2 In the embodiment of the present utility model, a first magnetic attracting member 11 is provided at one end of the driving mechanism 10 facing the transducer assembly 20;

[0050] A second magnetic member 222 a is provided at one end of the transducer assembly 20 facing the driving mechanism 10 . The second magnetic member 222 a is configured to magnetically cooperate with the first magnetic member 11 .

[0051] In this way, the magnetic attraction between the first magnetic member 11 and the second magnetic member 222a can achieve a detachable connection between the drive mechanism 10 and the transducer assembly 20. In addition, the attraction between the first magnetic member 11 and the second magnetic member 222a is greater than the driving force for refocusing the transducer assembly 20, so that the transducer assembly 20 can stably cooperate with the drive mechanism 10 during the focusing process.

[0052] In some embodiments, the first magnetic member 11 and the second magnetic member 222a are both configured as permanent magnets so that their ends with opposite polarities can be magnetically attracted to each other; the first magnetic member 11 and the second magnetic member 222a can also be configured as a permanent magnet and a ferromagnetic material, respectively, so that the adsorption and coordination of the two can also be achieved; the first magnetic member 11 and the second magnetic member 222a can also be configured as electromagnets so that they can be magnetically attracted to each other when powered on, which is not limited here.

[0053] See also Figures 1 to 2 In an embodiment of the present invention, the transducer assembly 20 includes:

[0054] a transducer 21 movably mounted in the treatment head 30; and

[0055] The bracket 22 is connected to the end of the transducer 21 away from the sound-transmitting end. The end of the bracket 22 away from the transducer 21 extends toward the treatment head 30 and is provided with the second magnetic member 222a.

[0056] The bracket 22 can serve as the mounting body of the transducer 21, and is used to be fixedly mounted and matched with the transducer 21. Specifically, the bracket 22 can be provided with a mounting groove at one end thereof facing the sound-transmitting end, and at least a portion of the transducer 21 is embedded in the mounting groove, which is conducive to improving the structural stability of the transducer assembly 20.

[0057] Furthermore, in some embodiments, the inner wall of the housing of the treatment head 30 is configured to guide and cooperate with the transducer assembly 20. For example, a guide groove or a guide block can be provided on the inner wall of the housing of the treatment head 30, and the other of the guide groove and the guide block can be provided on the outer wall of the bracket 22, with the guide block slidingly disposed in the guide groove. In this way, when the bracket 22 drives the transducer 21 toward or away from the sound-transmitting end, the housing of the treatment head 30 can serve as a guide and limiter for the transducer assembly 20, thereby improving the movement stability of the transducer assembly 20.

[0058] Of course, the technical solution of the present invention is not limited to this.Figures 1 to 2 In an embodiment of the present utility model, the ultrasonic therapeutic apparatus 100 further includes a cover body 31, the cover body 31 is installed in the treatment head 30 and is located at one end of the transducer 21 facing away from the sound-transmitting end, and a sliding channel 311a with both ends penetrating is provided in the cover body 31;

[0059] One end of the bracket 22 facing away from the transducer 21 movably penetrates into the sliding channel 311a to move closer to or away from the sound-transmitting end along the extending direction of the sliding channel 311a.

[0060] Wherein, a water tank is further provided in the treatment head 30, and the cover body 31 can be specifically set as the upper cover structure of the water tank. The cross-sectional profile of the sliding channel 311a of the cover body 31 is adapted to the shape of the end of the bracket 22 to facilitate the sliding fit between the two. The cross-sectional profile of the sliding channel 311a can be specifically but not limited to being circular, square, etc. By providing the sliding channel 311a of the cover body 31, the end of the bracket 22 can be limited to improve the movement stability of the transducer assembly 20.

[0061] Please refer to Figures 1 to 2 In an embodiment of the present utility model, the cover body 31 includes:

[0062] A limiting portion 311, the limiting portion 311 has a cylindrical structure, and the sliding channel 311a is provided in the limiting portion 311; and

[0063] A cover plate portion 312, the cover plate portion 312 is installed on the treatment head 30 and is arranged around one end of the limiting portion 311 facing away from the transducer 21.

[0064] Wherein, the cover body 31 includes a limiting portion 311 and a cover plate portion 311. The limiting portion 311 extends along the moving direction of the transducer assembly 20 and is arranged as a hollow cylinder inside, so as to enclose a sliding channel 311a extending along the moving direction of the transducer assembly 20 inside the limiting portion 311. The cover plate portion 312 is arranged around the periphery of the limiting portion 311, and its peripheral edge can be fixedly matched with the housing of the treatment head 30 to realize the installation and fixation of the cover body 31 and the treatment head 30.

[0065] Please refer to Figures 1 to 2 In an embodiment of the present utility model, the ultrasonic therapeutic apparatus 100 further includes a sealing member 32, the sealing member 32 is arranged in the treatment head 30 and is arranged around the periphery of the limiting portion 311, and the sealing member 32 is telescopically connected between the cover plate portion 312 and the bracket 22.

[0066] Among them, by providing a seal 32 between the limiting portion 311 of the cover body 31 and the bracket 22 of the transducer assembly 20, the sealing performance of the treatment head 30 can be ensured, and the risk of liquid leakage from the water tank in the treatment head 30 can be reduced. Moreover, since the seal 32 is connected between the cover body 31 and the bracket 22, it is also beneficial to maintain the position stability of the transducer assembly 20 through the seal 32.

[0067] Furthermore, the seal 32 is telescopically arranged. When the transducer assembly 20 moves towards the sound-transmitting end, the bracket 22 can drive the seal 32 to elongate correspondingly, and when the transducer assembly 20 moves away from the sound-transmitting end, the bracket 22 can drive the seal 32 to shorten correspondingly, so that the seal 32 can still maintain a good sealing effect when the position of the transducer assembly 20 changes.

[0068] Please refer to Figures 1 to 2 , in the embodiment of the present utility model, the inner wall of the seal 32 and the outer wall of the limiting portion 311 are spaced apart, and the bracket 22, the seal 32 and the cover body 31 jointly enclose an installation cavity;

[0069] One end of the bracket 22 facing the transducer 21 is provided with a first wire passing hole 221a communicating with the installation cavity, the cover body 31 is provided with a second wire passing hole 312a communicating with the installation cavity, the transducer 21 is provided with a connecting wire 211, and the connecting wire 211 is used to sequentially pass through the first wire passing hole 221a, the installation cavity and the second wire passing hole 312a to extend to the installation end of the treatment head 30.

[0070] Among them, the water tank stores liquid for dissipating heat of the transducer 21. By jointly enclosing an installation cavity by the bracket 22, the seal 32 and the cover body 31 serving as the upper cover of the water tank, the installation cavity can be isolated from the liquid storage space in the water tank, preventing the liquid in the water tank from entering the installation cavity, so that the wiring layout of the connecting wire 211 of the transducer assembly 20 can be realized through the installation cavity, facilitating the connection of the transducer 21 to the main board located at the installation end of the treatment head 30 through the connecting wire 211.

[0071] Please refer to Figures 1 to 2 , in the embodiment of the present utility model, one side of the bracket 22 facing the cover plate portion 312 is provided with a first limiting groove 221b, and the first limiting groove 221b is arranged around the circumference of the limiting portion 311;

[0072] One side of the cover plate portion 312 facing the bracket 22 is provided with a second limiting groove 312b, and the second limiting groove 312b is arranged around the circumference of the limiting portion 311 and is oppositely arranged with the first limiting groove 221b, and both ends of the seal 32 are respectively limited in the first limiting groove 221b and the second limiting groove 312b.

[0073] With such an arrangement, the two ends of the sealing member 32 can be respectively limited and installed through the first limiting groove 221 b and the second limiting groove 312 b that are arranged opposite to each other, thereby facilitating improvement of the installation stability of the sealing member 32 .

[0074] See also Figures 1 to 2 In an embodiment of the present invention, the bracket 22 includes:

[0075] a mounting portion 221 , the mounting portion 221 being disposed on a side of the transducer 21 facing the treatment head 30 and connected to the transducer 21 ; and

[0076] The connecting portion 222 is provided on a side of the mounting portion 221 away from the transducer 21 and is movably provided in the sliding channel 311 a.

[0077] A mounting groove is provided on the side of the mounting portion 221 facing away from the connecting portion 222. At least a portion of the transducer 21 is embedded in the mounting groove, ensuring a stable assembly of the transducer 21 therein. By slidingly engaging the connecting portion 222 with the sliding channel 311a of the cover 31, the sliding channel 311a provides a position-limiting and guiding effect on the connecting portion 222, thereby improving the movement stability of the bracket 22.

[0078] Furthermore, a sealing member 32 is provided around the circumference of the connecting portion 222, and a first wire hole 221a is provided on the side of the mounting portion 221 facing the connecting portion 222, and the first wire hole 221a is located on the inner side of the sealing member 32, so that the mounting groove can be connected to the mounting cavity formed by the bracket 22, the sealing member 32 and the cover body 31, thereby facilitating the connecting wire 211 provided on the side of the transducer assembly 20 away from the sound-transmitting end to enter the mounting cavity through the first wire hole 221a.

[0079] See also Figures 1 to 2 In the embodiment of the present invention, the cross-sectional area of the mounting portion 221 is larger than the cross-sectional area of the connecting portion 222 so as to be stopped outside the sliding channel 311a;

[0080] The maximum length of the connecting portion 222 located in the sliding channel 311 a is greater than the length of the movable stroke of the mounting portion 221 .

[0081] Among them, the cross-sectional profile of the sliding channel 311a is adapted to the outer profile of the connecting portion 222. By making the cross-sectional area of the mounting portion 221 larger than that of the connecting portion 222, when the bracket 22 moves away from the sound-transmitting end to the limit position of its moving stroke, the connecting portion 222 of the bracket 22 can completely enter the sliding channel 311a, and the mounting portion 221 can simultaneously abut against one end of the limiting portion 311 of the cover body 31 facing the sound-transmitting portion, so as to stop outside the sliding channel 311a. In this way, the moving stroke of the bracket 22 can be limited by the cover body 31.

[0082] Furthermore, by making the maximum length of the connecting portion 222 located in the sliding channel 311a greater than the length of the moving stroke of the mounting portion 221, the risk that the connecting portion 222 disengages from the sliding channel 311a during the movement of the bracket 22 can be avoided, which is beneficial to ensuring the installation stability of the bracket 22.

[0083] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structural transformation made by using the content of the specification and drawings of the present invention under the technical concept of the present invention, or any direct / indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. An ultrasonic therapeutic apparatus, characterized in that, include: Drive mechanism; a transducer assembly for transmitting ultrasonic energy; A treatment head, the treatment head comprising a mounting end and a sound-transmitting end, the transducer assembly being movably mounted within the treatment head; A handle, wherein the handle is detachably connected to the mounting end of the treatment head, the driving mechanism is installed in the handle and is detachably connected to the transducer assembly, and the driving mechanism is used to drive the transducer assembly to move toward or away from the sound-transmitting end.

2. The ultrasonic therapeutic apparatus according to claim 1, wherein, The driving mechanism is provided with a first magnetic attraction component at one end thereof facing the transducer assembly; A second magnetic component is provided at one end of the transducer assembly facing the driving mechanism, and the second magnetic component is used for magnetically cooperating with the first magnetic component.

3. The ultrasonic therapeutic apparatus according to claim 2, characterized in that, The transducer assembly comprises: a transducer movably mounted in the treatment head; and The bracket is connected to the end of the transducer away from the sound-transmitting end, the end of the bracket away from the transducer extends toward the treatment head, and is provided with the second magnetic element.

4. The ultrasonic therapeutic apparatus according to claim 3, wherein, The ultrasonic therapeutic apparatus further comprises a cover body, which is installed in the treatment head and is located at the end of the transducer away from the sound-transmitting end, and a sliding channel with two ends passing through is provided in the cover body; One end of the bracket facing away from the transducer is movably arranged in the sliding channel so as to move closer to or away from the sound-transmitting end along the extending direction of the sliding channel.

5. The ultrasonic therapeutic apparatus according to claim 4, wherein The cover body comprises: a limiting portion, the limiting portion being a cylindrical structure, and the sliding channel being provided in the limiting portion; and The cover plate portion is mounted on the treatment head and is arranged around an end of the limiting portion away from the transducer.

6. The ultrasonic therapeutic apparatus according to claim 5, characterized in that The ultrasonic therapeutic apparatus further includes a sealing member, which is disposed in the treatment head and surrounds the circumference of the limiting portion, and the sealing member is telescopically connected between the cover portion and the bracket.

7. The ultrasonic therapeutic apparatus according to claim 6, characterized in that, The inner wall of the sealing member and the outer wall of the limiting portion are spaced apart, and the bracket, the sealing member and the cover body together enclose a mounting cavity; The bracket has a first wire hole connected to the mounting cavity at one end facing the transducer, and the cover body has a second wire hole connected to the mounting cavity. The transducer is provided with a connecting wire, which is used to pass through the first wire hole, the mounting cavity and the second wire hole in sequence to extend to the mounting end of the treatment head.

8. The ultrasonic therapeutic apparatus according to claim 6, wherein A first limiting groove is provided on one side of the bracket facing the cover portion, and the first limiting groove is arranged around the circumference of the limiting portion; A second limiting groove is provided on the side of the cover portion facing the bracket. The second limiting groove is arranged around the circumference of the limiting portion and is arranged opposite to the first limiting groove. The two ends of the sealing member are respectively limited in the first limiting groove and the second limiting groove.

9. The ultrasonic therapeutic apparatus according to claim 4, wherein, The bracket comprises: a mounting portion, the mounting portion being provided on a side of the transducer facing the treatment head and connected to the transducer; and The connecting portion is arranged on a side of the mounting portion away from the transducer and is movably arranged in the sliding channel.

10. The ultrasonic therapeutic apparatus according to claim 9, wherein, The cross-sectional area of the mounting portion is larger than the cross-sectional area of the connecting portion so as to be stopped outside the sliding channel; The maximum length of the connecting part located in the sliding channel is greater than the length of the active stroke of the mounting part.

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