Therapeutic head and therapeutic apparatus

Through the synchronous rotation of the drive mechanism and the transmission mechanism and the alternating transmission of the linkage mechanism, the linear reciprocating movement of the transducer is realized, solving the problems of complex structure and high cost in the prior art, and reducing production costs.

CN223158714UActive Publication Date: 2025-07-29SHENZHEN PENINSULA MEDICAL CO LTD
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Patent Information

Application Number
CN202422027410.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-20
Publication Date
2025-07-29
Estimated Expiration
2034-08-20

AI Technical Summary

Technical Problem

Existing handheld transducer ultrasonic products require motor reverse rotation and position detection when the transducer moves, and are complex in structure and costly.

Method used

The first transmission part and the second transmission part of the transmission mechanism are driven to rotate simultaneously, and alternately drive connections through the linkage mechanism to realize the linear reciprocating motion of the transducer, eliminating position detection devices such as potentiometers.

Benefits of technology

The structure is simplified, production costs are reduced, and the linear reciprocating movement of the transducer is realized.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a treatment head and a treatment instrument, and relates to the technical field of ultrasonic treatment instruments, the treatment head comprises a driving mechanism, a transmission mechanism and a linkage mechanism, the transmission mechanism comprises a first transmission part and a second transmission part, and the first transmission part and the second transmission part are both in transmission connection with the driving mechanism so as to be driven by the driving mechanism to rotate synchronously; the linkage mechanism is arranged between the first transmission part and the second transmission part and is connected with the transducer; the linkage mechanism is used for being in alternate transmission connection with the first transmission part and the second transmission part so as to drive the energy converter to move in the first direction under the driving of the first transmission part or drive the energy converter to move in the direction opposite to the first direction under the driving of the second transmission part. According to the technical scheme of the utility model, the utility model provides the treatment head capable of realizing the linear reciprocating motion of the transducer.
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Description

Technical Field

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

[0002] In the related art, most ultrasonic products with horizontally movable handheld transducers are driven by a motor-driven screw transmission. When the threaded rod reaches the end or front end of its thread, the motor needs to rotate in the opposite direction. At the same time, a potentiometer is provided to detect when the transducer reaches the left or right extreme positions of the threaded rod. The structure is relatively complicated and the production cost is high. Utility Model Content

[0003] The main purpose of the utility model is to provide a treatment head and a treatment apparatus, aiming to provide a treatment head capable of realizing linear reciprocating movement of a transducer.

[0004] To achieve the above objectives, the treatment head proposed in the present invention includes:

[0005] Drive mechanism;

[0006] a transmission mechanism, the transmission mechanism comprising a first transmission part and a second transmission part, the first transmission part and the second transmission part being both transmission-connected to the driving mechanism so as to rotate synchronously under the drive of the driving mechanism; and

[0007] a linkage mechanism, the linkage mechanism being provided between the first transmission part and the second transmission part and connected to the transducer;

[0008] The linkage mechanism is used to alternately connect with the first transmission part and the second transmission part to drive the transducer to move in a first direction under the drive of the first transmission part, or to drive the transducer to move in the opposite direction of the first direction under the drive of the second transmission part.

[0009] In one embodiment, the linkage mechanism includes a first tooth body and a second tooth body;

[0010] The first transmission part has an end facing the linkage mechanism and is provided with a first sector gear for engaging with the first tooth body, and the second transmission part has an end facing the linkage mechanism and is provided with a second sector gear for engaging with the second tooth body;

[0011] The first sector gear and the second sector gear rotate in the same direction.

[0012] In one embodiment, the output shaft of the driving mechanism is provided with a driving gear, the first transmission part is provided with a first driven gear at one end facing the driving mechanism, and the second transmission part is provided with a second driven gear at one end facing the driving mechanism;

[0013] The first driven gear and the second driven gear are arranged at intervals on the circumferential side of the driving gear and are respectively connected to the driving gear in transmission.

[0014] In one embodiment, the first sector gear is coaxially coupled to the first driven gear to rotate synchronously with the first driven gear;

[0015] The second sector gear is coaxially connected to the second driven gear to rotate synchronously with the second driven gear.

[0016] In one embodiment, the linkage mechanism includes:

[0017] a sliding member, wherein the first tooth body and the second tooth body are formed on opposite sides of the sliding member respectively, and the sliding member is movably arranged along a first direction; and

[0018] A connecting member, one end of which is connected to the sliding member, and an end of which is away from the sliding member is connected to the transducer.

[0019] In one embodiment, the treatment head further includes a mounting assembly, wherein the mounting assembly includes a mounting plate, and the mounting plate is provided at an end of the sliding member away from the connecting member and is slidably connected to the sliding member.

[0020] In one embodiment, a slide rail is provided on a side of the mounting plate facing the sliding member, and the slide rail extends along the first direction;

[0021] The sliding member is movably connected in the sliding rail.

[0022] In one embodiment, a first avoidance opening is formed on a side of the slide rail facing the first sector gear, and the first sector gear is exposed in the first avoidance opening so as to engage with the sliding member through the first avoidance opening;

[0023] A second avoidance opening is formed on one side of the slide rail facing the second sector gear, and the second sector gear is exposed in the second avoidance opening so as to be engaged with the sliding member through the second avoidance opening.

[0024] In one embodiment, the mounting assembly further comprises a limit plate, wherein the limit plate is spaced apart and arranged on a side of the mounting plate away from the sliding member;

[0025] The driving gear, the first driven gear, and the second driven gear are rotatably disposed between the limiting plate and the mounting plate.

[0026] The present invention further provides a therapeutic device, comprising any one of the aforementioned therapeutic heads, the therapeutic head comprising:

[0027] Drive mechanism;

[0028] A transmission mechanism, the transmission mechanism includes a first transmission part and a second transmission part, and both the first transmission part and the second transmission part are drivingly connected to the drive mechanism to rotate synchronously under the drive of the drive mechanism; and

[0029] A linkage mechanism, the linkage mechanism is arranged between the first transmission part and the second transmission part and is connected to the transducer;

[0030] The linkage mechanism is used to be alternately drivingly connected to the first transmission part and the second transmission part, so as to drive the transducer to move in a first direction under the drive of the first transmission part, or drive the transducer to move in the opposite direction of the first direction under the drive of the second transmission part.

[0031] The technical solution of the present utility model drives the first transmission part and the second transmission part of the transmission mechanism to synchronously transmit by adopting a drive mechanism, and the first transmission part and the second transmission part can be alternately drivingly connected to the linkage mechanism to alternately drive the linkage mechanism to move forward or backward in a first direction, so that a linear reciprocating motion of the transducer can be realized, and position detection devices such as potentiometers can be omitted, which is beneficial to reducing the production cost of the treatment head. Description of the Drawings

[0032] 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 use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on the structures shown in these drawings.

[0033] Figure 1 It is a schematic structural diagram of an embodiment of a treatment head provided by the present utility model;

[0034] Figure 2 It is Figure 1 A partial structural diagram of the treatment head in

[0035] Figure 3 It is Figure 1 Another partial structural diagram of the treatment head in

[0036] Figure 4 It is Figure 1 Another structural diagram of the treatment head in

[0037] Explanation of the reference numerals in the drawings:

[0038] 100. Treatment head; 10. Driving mechanism; 11. Driving gear; 20. Transmission mechanism; 21. First transmission part; 211. First sector gear; 212. First driven gear; 22. Second transmission part; 221. Second sector gear; 222. Second driven gear; 30. Linkage mechanism; 31. Sliding part; 311. First tooth body; 312. Second tooth body; 32. Connecting part; 40. Mounting assembly; 41. Mounting plate; 411. Slide rail; 42. Limiting plate; 50. Transducer.

[0039] The realization, functional features and advantages of the present utility model will be further described with reference to the embodiments and the accompanying drawings. Detailed embodiments

[0040] The technical solutions in the embodiments of the present utility model will be clearly and completely described below 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. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0041] 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 positional relationship and movement conditions between components in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0042] In addition, if there are descriptions such as "first" and "second" in the embodiments of the present utility model, the descriptions of "first" and "second" 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 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 protection scope required by the present utility model.

[0043] In the related art, most ultrasonic products with horizontally movable hand-held transducers are driven in a manner of motor-driven screw transmission. When the threaded rod reaches the end or the front end of its thread, the motor needs to rotate in the reverse direction, and a potentiometer is also provided to detect that the transducer reaches the left and right limit positions of the threaded rod. The structure is relatively cumbersome and the production cost is relatively high.

[0044] The present utility model provides a treatment head 100.

[0045] Please refer to Figures 1 to 4 , in an embodiment of the present utility model, the treatment head 100 includes:

[0046] A driving mechanism 10;

[0047] A transmission mechanism 20, the transmission mechanism 20 includes a first transmission part 21 and a second transmission part 22, and both the first transmission part 21 and the second transmission part 22 are in transmission connection with the driving mechanism 10 to rotate synchronously under the drive of the driving mechanism 10; and

[0048] A linkage mechanism 30, the linkage mechanism 30 is arranged between the first transmission part 21 and the second transmission part 22 and is connected to the transducer 50;

[0049] The linkage mechanism 30 is used to be alternately in transmission connection with the first transmission part 21 and the second transmission part 22, so as to drive the transducer 50 to move along a first direction under the drive of the first transmission part 21, or drive the transducer 50 to move along the opposite direction of the first direction under the drive of the second transmission part 22.

[0050] Among them, the driving mechanism 10 can be but is not limited to being set as a rotary motor, and its output shaft is used for transmission connection with the transmission mechanism 20 to drive the first transmission part 21 and the second transmission part 22 of the transmission mechanism 20 to rotate synchronously, and then alternately drive the linkage mechanism 30 through the first transmission part 21 and the second transmission part 22, so that the linkage mechanism 30 moves reciprocally along a straight line direction. Specifically, the transmission mechanism 20 can be set as a gear assembly, and the gears of the gear assembly are sequentially engaged to achieve synchronous rotation; the first transmission part 21 and the second transmission part 22 can be in transmission connection with the linear connection mechanism through a tooth structure, which is not limited herein.

[0051] It can be understood that the technical solution of the present utility model drives the first transmission part 21 and the second transmission part 22 of the transmission mechanism 20 to synchronously transmit through the driving mechanism 10, and the first transmission part 21 and the second transmission part 22 can be alternately in transmission connection with the linkage mechanism 30 to alternately drive the linkage mechanism 30 to move forward or backward along the first direction, so that the linear reciprocating movement of the transducer 50 can be realized, and position detection devices such as potentiometers can be omitted, which is beneficial to reducing the production cost of the treatment head 100.

[0052] Please refer to Figure 2 , in the embodiment of the present utility model, the linkage mechanism 30 includes a first tooth body 311 and a second tooth body 312;

[0053] One end of the first transmission part 21 facing the linkage mechanism 30 is provided with a first sector gear 211 for meshing with the first tooth body 311, and one end of the second transmission part 22 facing the linkage mechanism 30 is provided with a second sector gear 221 for meshing with the second tooth body 312;

[0054] The first sector gear 211 and the second sector gear 221 rotate in the same direction.

[0055] Specifically, the opposite sides of the linkage mechanism 30 may be respectively provided with a first tooth body 311 and a second tooth body 312 to be respectively connected and cooperated with the first transmission part 21 and the second transmission part 22 provided on both sides of the linkage mechanism 30. Among them, the first transmission part 21 includes a first sector gear 211 arranged facing the linkage mechanism 30 for meshing and connecting with the first tooth body 311; the second transmission part 22 includes a second sector gear 221 arranged facing the linkage mechanism 30 for meshing and connecting with the second tooth body 312. And, the first sector gear 211 and the second sector gear 221 can rotate synchronously, and the rotation directions of the two are opposite.

[0056] It should be noted that the central angles of the first sector gear 211 and the second sector gear 221 are both not greater than 180°. With such a setting, when the first sector gear 211 meshes with the first tooth body 311 of the linkage mechanism 30, the tooth body structure on the second sector gear 221 can be disengaged from the second tooth body 312 of the linkage mechanism 30 for idling; similarly, when the second sector gear 221 meshes with the second tooth body 312 of the linkage mechanism 30, the tooth body structure on the first sector gear 211 can also be disengaged from the first tooth body 311 of the linkage mechanism 30 for idling. In this way, the linkage mechanism 30 can be used for alternating transmission connection with the first transmission part 21 and the second transmission part 22. Further, when the first transmission part 21 meshes with the first tooth body 311, the linkage mechanism 30 moves forward in translation under the drive of the first sector gear 211, and when the second transmission part 22 meshes with the second tooth body 312, the linkage mechanism 30 moves backward in translation under the drive of the second sector gear 221. In this way, the reciprocating motion of the linkage mechanism 30 in the linear direction can be realized by the way of alternating transmission connection between the linkage mechanism 30 and the first transmission part 21 and the second transmission part 22 in turn.

[0057] Please refer to Figure 2In an embodiment of the present utility model, the output shaft of the driving mechanism 10 is provided with a driving gear 11, the first transmission part 21 is provided with a first driven gear 212 at one end facing the driving mechanism 10, and the second transmission part 22 is provided with a second driven gear 222 at one end facing the driving mechanism 10;

[0058] The first driven gear 212 and the second driven gear 222 are spaced apart and arranged on the circumference of the driving gear 11 , and are respectively connected to the driving gear 11 in transmission.

[0059] With such an arrangement, the driving gear 11 can be directly connected to the first driven gear 212 and the second driven gear 222 at the same time, so that when the output shaft of the driving mechanism 10 drives the driving gear 11 to rotate, the first driven gear 212 and the second driven gear 222 are driven to rotate synchronously, thereby realizing the synchronous rotation of the first transmission part 21 and the second transmission part 22.

[0060] Of course, the technical solution of the present invention is not limited to this. In some embodiments, a transmission gear or a transmission gear set may be provided between the driving gear 11 and the first driven gear 212, so that the driving gear 11 can be transmission-connected to the first driven gear 212 through the transmission gear or the transmission gear set; similarly, a transmission gear or a transmission gear set may be provided between the driving gear 11 and the second driven gear 222, so that the driving gear 11 can be transmission-connected to the first driven gear 212 through the transmission gear or the transmission gear set. The specific implementation method can be set according to actual needs and is not limited here.

[0061] See also Figures 2 to 4 In an embodiment of the present utility model, the first sector gear 211 is coaxially connected to the first driven gear 212 to rotate synchronously with the first driven gear 212;

[0062] The second sector gear 221 is coaxially connected to the second driven gear 222 to rotate synchronously with the second driven gear 222 .

[0063] See also Figure 3 and Figure 4 In an embodiment of the present utility model, the linkage mechanism 30 includes:

[0064] A sliding member 31 , wherein the first tooth body 311 and the second tooth body 312 are formed on opposite sides of the sliding member 31 , respectively, and the sliding member 31 is movably arranged along a first direction; and

[0065] A connecting member 32 , one end of the connecting member 32 is connected to the sliding member 31 , and one end of the connecting member 32 facing away from the sliding member 31 is connected to the transducer 50 .

[0066] The first and second teeth 311 and 312 are provided on opposite sides of the slider 31, forming a rack structure on the slider 31. This allows the slider 31 to be connected to the transmission mechanism 20 via a rack-and-pinion meshing mechanism. The connector 32 can be, but is not limited to, positioned perpendicular to the direction of movement of the slider 31. By connecting the two ends of the connector 32 to the slider 31 and the transducer 50, respectively, the transducer 50 can be driven by the connector 32 to move synchronously with the slider 31.

[0067] See also Figure 3 and Figure 4 In an embodiment of the present invention, the treatment head 100 further includes a mounting assembly 40 , and the mounting assembly 40 includes a mounting plate 41 . The mounting plate 41 is disposed at one end of the sliding member 31 away from the connecting member 32 and is slidably connected to the sliding member 31 .

[0068] The mounting plate 41 provides a mounting base for the slider 31. In some embodiments, a slide rail 411 may be provided on the side of the mounting plate 41 facing the slider 31, as in the embodiments described below, so that the slide rail 411 and the side of the slider 31 are slidably connected. Alternatively, the surface of the mounting plate 41 may be directly slidably connected to the end of the slider 31 facing away from the connector 32. Other structures may also be used to achieve a sliding fit between the two, which is not limited here. This configuration allows the mounting plate 41 to guide the slider 31, improving the movement stability of the slider 31.

[0069] See also Figure 3 and Figure 4 In an embodiment of the present invention, a slide rail 411 is provided on one side of the mounting plate 41 facing the sliding member 31 , and the slide rail 411 extends along the first direction;

[0070] The sliding member 31 is movably connected to the sliding rail 411 .

[0071] The slide rail 411 may be adapted to the shape of the side of the slider 31, and the side of the slider 31 may be embedded in the slide rail 411, or a slider may be protruding from the side of the slider 31, and the slider and the slide rail 411 may be movably connected. The specific implementation can be customized according to actual needs and is not limited here.

[0072] In some embodiments, two slide rails 411 may be provided, and the two slide rails 411 are respectively provided on opposite sides of the sliding member 31 and are respectively slidably connected to the side portions of the sliding member 31. Such an arrangement can limit the sliding member 31 between the two mounting plates 41, which is conducive to further improving the movement stability of the sliding member 31.

[0073] See alsoFigure 3 In an embodiment of the present invention, a first avoidance opening is formed on a side of the slide rail 411 facing the first sector gear 211 , and the first sector gear 211 is exposed in the first avoidance opening to engage with the sliding member 31 through the first avoidance opening;

[0074] A second escape opening is defined on one side of the slide rail 411 facing the second sector gear 221 . The second sector gear 221 is exposed from the second escape opening to engage with the sliding member 31 through the second escape opening.

[0075] It is understood that by providing the first avoidance opening and the second avoidance opening, avoidance space can be provided on both sides of the sliding member 31 for the first sector gear 211 and the second sector gear 221, thereby facilitating the engagement of the first sector gear 211 and the second sector gear 221 with the sliding member 31, thereby avoiding the setting of the mounting plate 41 interfering with the connection and cooperation between the transmission mechanism 20 and the linkage mechanism 30. Figures 1 to 4 In the embodiment, the linkage mechanism 30 is a linear linkage mechanism.

[0076] In other embodiments of the present application, the linkage structure 30 may further include a gear shaft, which is alternately connected to the first transmission part 21 and the second transmission part 22, and is also connected to the transducer 50. The drive mechanism 10 includes a motor and two mutually meshing drive gears, and the first transmission part 21 and the second transmission part 22 are respectively connected to one of the drive gear keys. When the motor drives any one of the drive gears to rotate, the other drive gear, the first transmission part 21 and the second transmission part 22 rotate synchronously, thereby realizing the forward and reverse rotation of the gear shaft. The gear shaft can realize the transducer 50 matched with the gear shaft to move along the first direction through its own forward and reverse rotation.

[0077] See also Figure 1 and Figure 2 In an embodiment of the present utility model, the mounting assembly 40 further includes a limiting plate 42 , and the limiting plate 42 is spaced apart and disposed on a side of the mounting plate 41 away from the sliding member 31 ;

[0078] The driving gear 11 , the first driven gear 212 , and the second driven gear 222 are rotatably disposed between the limiting plate 42 and the mounting plate 41 .

[0079] With such a setting, an installation space can be formed between the limit plate 42 and the mounting plate 41 for installing the driving gear 11, the first driven gear 212, and the second driven gear 222. Among them, both ends of the central axis of each gear can be rotatably connected to the limit plate 42 and the mounting plate 41 respectively. With such a setting, the position stability and movement stability of each gear can be improved, which is beneficial to improving the transmission stability of the transmission mechanism 20.

[0080] Furthermore, the first sector gear 211 and the first driven gear 212 are coaxially connected and are disposed on both sides of the mounting plate 41. Their connecting shaft can be arranged to penetrate the mounting plate 41, and the mounting plate 41 can be rotatably connected to the connecting shaft. Similarly, the second sector gear 221 and the second driven gear 222 are coaxially connected, and their connecting shaft can be arranged to penetrate the mounting plate 41 and be rotatably connected to the mounting plate 41.

[0081] The present utility model also proposes a therapeutic apparatus, which includes a treatment head 100. The specific structure of the treatment head 100 refers to the above-mentioned embodiments. Since this therapeutic apparatus adopts all the technical solutions of the above-mentioned all embodiments, it at least has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, and will not be elaborated one by one here.

[0082] The above description is only an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformation made under the technical concept of the present utility model by using the content of the specification and drawings of the present utility model, or any direct / indirect application in other related technical fields is included in the patent protection scope of the present utility model.

Claims

1. A treatment head, characterized in that, include: Drive mechanism; A transmission mechanism, the transmission mechanism comprising a first transmission part and a second transmission part, the first transmission part and the second transmission part being both transmission-connected to the driving mechanism so as to rotate synchronously under the drive of the driving mechanism; as well as a linkage mechanism, the linkage mechanism being provided between the first transmission part and the second transmission part and connected to the transducer; The linkage mechanism is used to alternately connect with the first transmission part and the second transmission part to drive the transducer to move in a first direction under the drive of the first transmission part, or to drive the transducer to move in the opposite direction of the first direction under the drive of the second transmission part.

2. The treatment head according to claim 1, wherein, The linkage mechanism includes a first tooth body and a second tooth body; The first transmission part has an end facing the linkage mechanism and is provided with a first sector gear for engaging with the first tooth body, and the second transmission part has an end facing the linkage mechanism and is provided with a second sector gear for engaging with the second tooth body; The first sector gear and the second sector gear rotate in the same direction.

3. The treatment head according to claim 2, wherein, The output shaft of the driving mechanism is provided with a driving gear, the end of the first transmission part facing the driving mechanism is provided with a first driven gear, and the end of the second transmission part facing the driving mechanism is provided with a second driven gear; The first driven gear and the second driven gear are arranged at intervals on the circumferential side of the driving gear and are respectively connected to the driving gear in transmission.

4. The treatment head according to claim 3, characterized in that, The first sector gear is coaxially connected to the first driven gear to rotate synchronously with the first driven gear; The second sector gear is coaxially connected to the second driven gear to rotate synchronously with the second driven gear.

5. The treatment head according to claim 3, characterized in that, The linkage mechanism comprises: a sliding member, wherein the first tooth body and the second tooth body are formed on opposite sides of the sliding member respectively, and the sliding member is movably arranged along a first direction; and A connecting member, one end of which is connected to the sliding member, and one end of which is away from the sliding member is connected to the transducer.

6. The treatment head according to claim 5, wherein, The treatment head further includes a mounting assembly, which includes a mounting plate. The mounting plate is disposed at one end of the sliding member away from the connecting member and is slidably connected to the sliding member.

7. The treatment head according to claim 6, characterized in that, A slide rail is provided on one side of the mounting plate facing the sliding member, and the slide rail extends along the first direction; The sliding member is movably connected in the sliding rail.

8. The treatment head according to claim 7, wherein, A first avoidance opening is formed on a side of the slide rail facing the first sector gear, and the first sector gear is exposed in the first avoidance opening so as to be engaged with the sliding member through the first avoidance opening; A second avoidance opening is formed on one side of the slide rail facing the second sector gear, and the second sector gear is exposed in the second avoidance opening so as to be engaged with the sliding member through the second avoidance opening.

9. The treatment head according to claim 6, characterized in that, The mounting assembly further includes a limit plate, which is spaced apart and arranged on a side of the mounting plate away from the sliding member; The driving gear, the first driven gear, and the second driven gear are rotatably disposed between the limiting plate and the mounting plate.

10. A therapeutic apparatus, characterized in that, The method comprises the treatment head according to any one of claims 1 to 9.