Ultrasonic therapy head

Abstract

The utility model discloses an ultrasonic therapy head, which relates to the field of ultrasonic therapy technology. The ultrasonic therapy head includes a shell, a transducer assembly and a driving member. A partition is provided in the chamber of the shell to separate the chamber of the shell into a first chamber and a second chamber. The transducer assembly is arranged in the second chamber. The transducer assembly includes a transducer bracket and a transducer mounted on the transducer bracket. The driving member includes an output shaft, which is passed through the partition and fixedly connected to the transducer bracket, and the output shaft is located on the central axis of the transducer bracket. Among them, the transducer bracket is provided with a guide shaft protruding on the side facing the first chamber, the guide shaft is arranged on the peripheral side of the output shaft, a guide hole is provided on the partition, and the free end of the guide shaft is inserted into the guide hole. Through the technical solution, the transducer is always guided and constrained by the guide shaft during the up and down movement, thereby avoiding the problem of pitch and roll of the transducer.

Description

Technical Field

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

[0002] In recent years, non-invasive beauty technology using focused ultrasound has been widely used. The principle is that the transducer installed inside the treatment head emits focused ultrasound. After the focused ultrasound is transmitted through the liquid conductor, it is focused on the subcutaneous tissue or fat tissue and forms a "high temperature point" on the local subcutaneous tissue or fat tissue, so that the local subcutaneous tissue shrinks under the action of high temperature, thereby achieving the beauty effect of improving skin firmness and losing weight.

[0003] Since the feedback effect of skin layers at different depths on thermal effects is different, the height of the transducer needs to be adjusted during the treatment process to adapt to the treatment needs of skin layers at different depths. At present, the control of the transducer height mainly relies on the output shaft of the motor to drive the transducer up and down. However, when the transducer is large, relying on a single motor output shaft to drive the transducer up and down may cause uneven force on the transducer, resulting in pitch and roll, which in turn causes the ultrasound focus to shift. Utility Model Content

[0004] The main purpose of the utility model is to provide an ultrasonic treatment head, aiming to solve the problem of pitch and roll when the transducer is adjusted up and down.

[0005] To achieve the above-mentioned purpose, the ultrasonic therapy head proposed in the utility model includes a shell, a transducer assembly and a driving member, a partition is provided in the chamber of the shell to separate the chamber of the shell into a first chamber and a second chamber, the transducer assembly is arranged in the second chamber, the transducer assembly includes a transducer bracket and a transducer mounted on the transducer bracket, and the driving member includes an output shaft, the output shaft is passed through the partition and fixedly connected to the transducer bracket, and the output shaft is located on the central axis of the transducer bracket. Among them, the transducer bracket is provided with a guide shaft protruding on the side facing the first chamber, the guide shaft is arranged on the peripheral side of the output shaft, the partition is provided with a guide hole, and the free end of the guide shaft is movably inserted in the guide hole.

[0006] In one embodiment, there are multiple guide shafts, and the multiple guide shafts are arranged in a ring shape with the output shaft as the center.

[0007] In one embodiment, a sleeve is provided on the side of the partition facing the first chamber, a center hole of the sleeve is arranged opposite to the guide hole, and a free end of the guide shaft passes through the guide hole and is inserted into the center hole of the sleeve.

[0008] In one embodiment, the output shaft is detachably connected to the transducer bracket.

[0009] In one embodiment, the output shaft is connected to the transducer bracket through a connecting tube, the bottom wall of the connecting tube is fixedly connected to the transducer bracket through a first fastener, the side wall of the connecting tube is provided with two oppositely arranged connecting holes, and the output shaft is provided with a radially through mounting hole, and the first fastener is screwed into the connecting hole and the mounting hole to realize the connection between the output shaft and the transducer bracket.

[0010] In one embodiment, the ultrasonic therapy head also includes a controller and a sensor assembly, the sensor assembly includes a photocoupler and a photocoupler block, the photocoupler block is fixedly arranged on the output shaft to move up and down with the output shaft, the photocoupler is fixedly arranged in the first chamber to detect the position of the photocoupler block, the controller is electrically connected to the photocoupler and the driving member respectively, and when the photocoupler detects that the photocoupler block moves to a specified position, the controller controls the driving member to stop.

[0011] In one embodiment, the optical coupling block includes a collar and a baffle, wherein the collar is fixedly sleeved on the output shaft, and the baffle is arranged on one side of the collar. An optical coupling plate is arranged in the first chamber, and a first photoelectric coupler and a second photoelectric coupler are arranged on the optical coupling plate at intervals, wherein the first photoelectric coupler is used to detect whether the baffle reaches the first position, and the second photoelectric coupler is used to detect whether the baffle reaches the second position.

[0012] In one embodiment, a flexible telescopic tube is further provided in the second chamber, and the flexible telescopic tube is sleeved on the circumference of the output shaft, one end of the flexible telescopic tube is connected to the partition, and the other end of the flexible telescopic tube is connected to the transducer bracket, the diameter of the flexible telescopic tube is larger than the diameter of the output shaft, and a compression space is formed between the flexible telescopic tube and the output shaft.

[0013] In one embodiment, the transducer assembly further includes a transducer housing, the transducer housing is fixedly connected to the transducer bracket, and the transducer is detachably mounted in a chamber of the transducer housing.

[0014] In one embodiment, the driving element is a stepping motor or a DC motor.

[0015] Different from the traditional ultrasonic therapeutic device, the present technical solution installs the transducer on the transducer bracket, and a plurality of guide shafts are convexly provided on the side of the transducer bracket away from the transducer, and the plurality of guide shafts are arranged around the output shaft, and the free ends of the guide shafts are movably inserted into the guide holes of the partition. Thus, the transducer moves up and down under the action of the output shaft, thereby driving the guide shaft to move up and down. In this process, the transducer is always guided and constrained by the guide shaft, thereby avoiding the problem of pitch and roll of the transducer. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0017] Figure 1 An exploded view of an embodiment of an ultrasonic therapy head provided by the utility model;

[0018] Figure 2 A schematic diagram of the assembly structure of an ultrasonic therapy head according to an embodiment of the present invention;

[0019] Figure 3 This is a cross-sectional view of an embodiment of the ultrasonic therapy head provided by the utility model.

[0020] Description of Figure Numbers:

[0021] 100. Ultrasonic therapy head; 1. Shell; 11. First chamber; 12. Second chamber; 2. Transducer assembly; 21. Transducer housing; 22. Transducer bracket; 23. Transducer; 24. Guide shaft; 3. Drive member; 31. Output shaft; 41. Optocoupler plate; 411. First photoelectric coupler; 412. Second photoelectric coupler; 43. Optocoupler block; 5. Partition; 6. Bushing; 7. Connecting tube; 8. Flexible telescopic tube.

[0022] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0025] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0026] The utility model provides an ultrasonic treatment head 100.

[0027] See also Figures 1 to 3 The embodiment of the ultrasonic treatment head 100 of the utility model includes a housing 1, a transducer assembly 2 and a driving member 3. A partition 5 is provided in the chamber of the housing 1 to separate the chamber of the housing 1 into a first chamber 11 and a second chamber 12. The transducer assembly 2 is arranged in the second chamber 12. The transducer assembly 2 includes a transducer support 22 and a transducer 23 mounted on the transducer support 22. The driving member 3 includes an output shaft 31. The output shaft 31 is passed through the partition 5 and fixedly connected to the transducer support 22, and the output shaft 31 is located on the central axis of the transducer support 22. Among them, the transducer support 22 is provided with a guide shaft 24 protruding on the side facing the first chamber 11. The guide shaft 24 is arranged on the peripheral side of the output shaft 31. A guide hole is opened on the partition 5, and the free end of the guide shaft 24 is movably inserted in the guide hole.

[0028] In the ultrasonic therapy head 100, the driving member 3 can be a stepper motor or a DC motor. The output shaft 31 of the stepper motor or the DC motor is fixedly connected to the transducer bracket 22. The output shaft 31 moves up and down to drive the transducer 23 to move up and down, thereby changing the treatment depth. The traditional ultrasonic therapy device only relies on a single output shaft 31 to move the transducer 23 up and down. When the transducer 23 is large in size, there will be a problem of pitch and roll caused by uneven force on the circumference. Different from the traditional ultrasonic therapy device, the technical solution installs the transducer 23 on the transducer bracket 22, and a plurality of guide shafts 24 are convexly provided on the side of the transducer bracket 22 away from the transducer 23. The plurality of guide shafts 24 are arranged on the circumference of the output shaft 31, and the free end of the guide shaft 24 is movably inserted into the guide hole of the partition 5. Therefore, the transducer 23 moves up and down under the action of the output shaft 31, thereby driving the guide shaft 24 to move up and down. During this process, the transducer 23 is always guided and constrained by the guide shaft 24, thereby avoiding the problem of pitch and roll of the transducer 23.

[0029] There are multiple guide shafts 24. In one embodiment of the present invention, the multiple guide shafts 24 are arranged in a circumferential direction with the output shaft 31 as the center, so as to ensure that the transducer 23 is subjected to uniform circumferential force and further ensure the stability of the movement of the transducer assembly.

[0030] Furthermore, a sleeve 6 is provided on one side of the partition 5 facing the first chamber 11, and the sleeve 6 can be fixed on the partition 5 by fasteners (such as screws). The center hole of the sleeve 6 is arranged opposite to the guide hole on the partition 5, and the sizes of the center hole and the guide hole are consistent with the diameter of the guide shaft 24. The free end of the guide shaft 24 passes through the guide hole and is movably inserted in the center hole of the sleeve 6. The inner wall of the sleeve 6 and the peripheral side wall of the guide shaft 24 are fitted and limited, thereby increasing the constraint area of ​​the guide shaft 24, thereby preventing the guide shaft 24 from swinging during the up and down movement, and further preventing the transducer 23 from swinging during the up and down movement.

[0031] Among them, the output shaft 31 and the transducer bracket 22 are detachably connected, which can facilitate the disassembly and assembly of the output shaft 31 and the transducer bracket 22. For example, in one embodiment of the utility model, the output shaft 31 is connected to the transducer bracket 22 through the connecting tube 7. Specifically, the bottom wall of the connecting tube 7 is fixedly connected to the transducer bracket 22 through the first fastener, and the side wall of the connecting tube 7 is provided with two oppositely arranged connecting holes, and the output shaft 31 is provided with a radially penetrating mounting hole. The first fastener is screwed into the connecting hole and the mounting hole to achieve the connection between the output shaft 31 and the transducer bracket 22.

[0032] The embodiment of the ultrasonic therapy head 100 also includes a controller and a sensor assembly. The sensor assembly includes a photoelectric coupler and a photoelectric coupler block 43. The photoelectric coupler block 43 is fixedly arranged on the output shaft 31 to move up and down with the output shaft 31. The photoelectric coupler is fixedly arranged in the first chamber 11 to detect the position of the photoelectric coupler block 43. The controller is electrically connected to the photoelectric coupler and the driving member 3 respectively. When the photoelectric coupler detects that the photoelectric coupler block 43 moves to the specified position, the controller controls the driving member 3 to stop.

[0033] It is not difficult to understand that the feedback effect of the skin layer at different depths on the thermal effect is different, so it is necessary to accurately control the moving height of the transducer 23. The embodiment of the ultrasonic treatment head 100 is provided with a photoelectric coupler and a photoelectric coupler block 43. The photoelectric coupler block 43 is fixedly arranged on the output shaft 31 to move up and down with the output shaft 31. The photoelectric coupler is fixedly arranged in the first chamber 11 to detect the position of the photoelectric coupler block 43. The photoelectric coupler can determine the position of the transducer 23 by detecting the position of the photoelectric coupler block 43. When the photoelectric coupler detects that the photoelectric coupler block 43 moves to the specified position, the controller receives the electrical signal sent by the photoelectric coupler, and then controls the driver 3 to stop and controls the transducer 23 to emit ultrasonic energy, thereby ensuring the accuracy of the moving position of the transducer 23 and the accuracy of the treatment depth of the treatment head.

[0034] Specifically, the optical coupling block 43 includes a collar and a baffle, the collar is fixedly sleeved on the output shaft 31, and the baffle is arranged on one side of the collar. An optical coupling plate 41 is arranged in the first chamber 11, and a first photoelectric coupler 411 and a second photoelectric coupler 412 are arranged on the optical coupling plate 41 at intervals, the first photoelectric coupler 411 is used to detect whether the baffle reaches the first position, and the second photoelectric coupler 412 is used to detect whether the baffle reaches the second position.

[0035] The optical coupling block 43 is preset with a first position and a second position, the first position corresponds to the treatment depth of the first skin layer, and the second position corresponds to the treatment depth of the second skin layer. Correspondingly, the optical coupling plate 41 is provided with a first photoelectric coupler 411 and a second photoelectric coupler 412 at intervals, the first photoelectric coupler 411 is located above the second photoelectric coupler 412, the first photoelectric coupler 411 is used to detect whether the baffle has reached the first position, and the second photoelectric coupler 412 is used to detect whether the baffle has reached the second position. When the first photoelectric coupler 411 detects that the optical coupling block 43 moves to the first position, or the second photoelectric coupler 412 detects that the optical coupling block 43 moves to the second position, the controller promptly controls the driving member 3 to stop. In this embodiment, two photoelectric couplers are provided, and treatments of two depths can be controlled simultaneously, which speeds up the treatment efficiency and refinement of the treatment. Of course, the more photoelectric couplers are provided, the more controllable treatment depths can be, and there is no limitation here.

[0036] Reference Figure 1 or Figure 3 A flexible telescopic tube 8 is also provided in the second chamber 12. The flexible telescopic tube 8 is sleeved on the circumferential side of the output shaft 31. One end of the flexible telescopic tube 8 is connected to the partition 5, and the other end of the flexible telescopic tube 8 is connected to the transducer bracket 22. The diameter of the flexible telescopic tube 8 is larger than the diameter of the output shaft 31, and a compression space is formed between the flexible telescopic tube 8 and the output shaft 31.

[0037] The second chamber 12 is filled with a liquid sound-conducting medium, and the transducer 23 is immersed in the liquid sound-conducting medium. The ultrasonic waves emitted by the transducer 23 are conducted by the liquid sound-conducting medium and focused on the subcutaneous tissue or fat tissue for treatment. It is not difficult to understand that the transducer 23 will disturb the sound-conducting medium during the up and down movement, and the flow of the sound-conducting medium will exert impact resistance on the transducer 23. For this reason, the present embodiment is provided with a flexible telescopic tube 8, which is sleeved on the peripheral side of the output shaft 31, one end of the flexible telescopic tube 8 is connected to the partition 5, and the other end of the flexible telescopic tube 8 is connected to the transducer bracket 22, so that the sound-conducting medium is isolated outside the flexible telescopic tube 8, and the diameter of the flexible telescopic tube 8 is greater than the diameter of the output shaft 31, so that a compression space is formed between the flexible telescopic tube 8 and the output shaft 31. The sound-conducting medium is isolated outside the flexible telescopic tube 8. The flexible telescopic tube 8 is made of rubber or silicone and can undergo elastic deformation. Therefore, when the sound-conducting medium is disturbed by the transducer assembly 2, the flexible telescopic tube 8 will be squeezed, and the flexible telescopic tube 8 will be retracted, thereby creating space for the flow of the sound-conducting medium, thereby weakening the impact resistance of the sound-conducting medium on the transducer assembly 2.

[0038] In one embodiment of the utility model, the transducer assembly 2 also includes a transducer 23 housing, the transducer 23 housing is fixedly connected to the transducer bracket 22, and an opening is arranged at one end of the transducer 23 housing facing the treatment surface. The transducer 23 is detachably installed in the chamber of the transducer 23 housing, wherein the detachable manner includes but is not limited to a snap connection and a threaded connection, etc., thereby realizing rapid disassembly and assembly of the transducer 23 and the transducer bracket 22 without changing the structure of the transducer 23.

[0039] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An ultrasonic treatment head, characterized in that: include: A shell, wherein a partition is disposed in a chamber of the shell to separate the chamber of the shell into a first chamber and a second chamber; A transducer assembly, wherein the transducer assembly is disposed in the second chamber, and the transducer assembly comprises a transducer support and a transducer mounted on the transducer support; A driving member, the driving member comprising an output shaft, the output shaft passing through the partition and fixedly connected to the transducer bracket, and the output shaft is located on the central axis of the transducer bracket; The transducer bracket is provided with a guide shaft protruding on the side facing the first chamber, the guide shaft is arranged on the peripheral side of the output shaft, the partition is provided with a guide hole, and the free end of the guide shaft is movably inserted in the guide hole.

2. The ultrasonic treatment head according to claim 1, characterized in that: There are multiple guide shafts, and the multiple guide shafts are arranged in a ring shape with the output shaft as the center.

3. The ultrasonic treatment head according to claim 1, characterized in that: A shaft sleeve is arranged on one side of the partition plate facing the first chamber, the center hole of the shaft sleeve is arranged opposite to the guide hole, and the free end of the guide shaft passes through the guide hole and is inserted into the center hole of the shaft sleeve.

4. The ultrasonic treatment head according to claim 1, characterized in that: The output shaft is detachably connected to the transducer bracket.

5. The ultrasonic treatment head according to claim 4, characterized in that: The output shaft is connected to the transducer bracket through a connecting tube, the bottom wall of the connecting tube is fixedly connected to the transducer bracket through a first fastener, the side wall of the connecting tube is provided with two oppositely arranged connecting holes, and the output shaft is provided with a radially through mounting hole, and the first fastener is screwed into the connecting hole and the mounting hole to realize the connection between the output shaft and the transducer bracket.

6. The ultrasonic treatment head according to any one of claims 1 to 5, characterized in that: The ultrasonic therapy head also includes a controller and a sensor assembly, the sensor assembly includes a photocoupler and a photocoupler block, the photocoupler block is fixedly arranged on the output shaft to move up and down with the output shaft, the photocoupler is fixedly arranged in the first chamber to detect the position of the photocoupler block, the controller is electrically connected to the photocoupler and the driving member respectively, and when the photocoupler detects that the photocoupler block moves to a specified position, the controller controls the driving member to stop.

7. The ultrasonic treatment head according to claim 6, characterized in that: The optical coupling block includes a collar and a baffle, wherein the collar is fixedly sleeved on the output shaft, and the baffle is arranged on one side of the collar; An optical coupling board is disposed in the first chamber, and a first photoelectric coupler and a second photoelectric coupler are spaced apart on the optical coupling board. The first photoelectric coupler is used to detect whether the baffle reaches a first position, and the second photoelectric coupler is used to detect whether the baffle reaches a second position.

8. The ultrasonic treatment head according to claim 1, characterized in that: A flexible telescopic tube is also provided in the second chamber. The flexible telescopic tube is sleeved on the circumferential side of the output shaft. One end of the flexible telescopic tube is connected to the partition, and the other end of the flexible telescopic tube is connected to the transducer bracket. The diameter of the flexible telescopic tube is larger than the diameter of the output shaft, and a compression space is formed between the flexible telescopic tube and the output shaft.

9. The ultrasonic treatment head according to claim 1, characterized in that: The transducer assembly further comprises a transducer housing, wherein the transducer housing is fixedly connected to the transducer bracket, and the transducer is detachably mounted in a chamber of the transducer housing.

10. The ultrasonic treatment head according to claim 1, characterized in that: The driving component is a stepping motor or a DC motor.

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