CN116603181A - Ultrasonic therapy head and ultrasonic therapy device - Google Patents

Abstract

The invention discloses an ultrasonic treatment head and an ultrasonic treatment apparatus, and relates to the technical field of ultrasonic physical therapy equipment. Wherein, the ultrasonic treatment head includes: a housing and an ultrasonic transducer unit, the housing forms an inner cavity with a treatment window; includes a bracket, a first transducer and a second transducer, and the bracket is installed on In the inner cavity, the first transducer is installed on the bracket, the second transducer is installed on the bracket along the peripheral direction of the first transducer, and the first transducer has a first emitting surface, the second transducer has a second emitting surface, both the first emitting surface and the second emitting surface face the treatment window, the first transducer and the second transmitting surface The two transducers have the same and/or different depths of focus. In the technical scheme of the invention, the treatment head has small volume, large output of ultrasonic energy, compact structure, and is convenient to hold and move.

Description

Ultrasonic therapy head and ultrasonic therapy device

technical field

The invention relates to the technical field of ultrasonic physiotherapy equipment, in particular to an ultrasonic treatment head and an ultrasonic treatment apparatus using the ultrasonic treatment head.

Background technique

Focused ultrasound uses the principles of ultrasound directionality, tissue penetration, and focusing to gather ultrasound that penetrates tissue and release a large amount of energy in the focused area, which has good penetration and positioning. Existing focused ultrasound therapy devices can precisely position the ultrasound energy on the target treatment tissue, such as the dermis, subcutaneous fat layer, SMAS layer, etc., to achieve the effects of lifting, firming, skin rejuvenation and fat reduction.

Existing focused ultrasound therapy instruments are generally equipped with multiple treatment heads, each treatment head is provided with a housing and a transducer disposed in the housing, and each transducer corresponds to a fixed depth to achieve the same and/or Various depths of treatment. Multiple treatment heads are arranged parallel to each other. For example, in a three-dimensional space with a square cross section, three treatment heads are arranged in parallel, which can be arranged in a straight line or along a triangular area. Under a preset power output condition, the three treatment heads The transducers work at the same time, and the transmitting surface can emit ultrasonic energy that meets the purpose of treatment. However, such a parallel arrangement requires a large volume of the treatment head, which will occupy more installation space. When used in combination with the ultrasonic therapeutic apparatus in the prior art, it is inconvenient to hold and move.

Contents of the invention

The object of the present invention is to provide an ultrasonic treatment head, aiming at solving the technical problem of large volume of the existing ultrasonic treatment head.

In order to achieve the above object, the ultrasonic treatment head proposed by the present invention includes:

a housing forming a lumen having a treatment window; and

The ultrasonic transducer unit includes a bracket, a first transducer and a second transducer, the bracket is installed in the inner cavity, the first transducer is installed in the bracket, and the second transducer The device is installed on the support along the peripheral direction of the first transducer, the first transducer has a first emission surface, the second transducer has a second emission surface, and the first emission surface and the second emitting surface both face the treatment window, the first transducer and the second transducer have the same and/or different depth of focus.

Optionally, the bracket includes a bottom plate, a first connecting portion and a second connecting portion protrude from a side of the bottom plate facing the treatment window, and the second connecting portion is arranged around the periphery of the first connecting portion , the first transducer is detachably connected to the first connection part, and the second transducer is detachably connected to the second connection part.

Optionally, a first locking protrusion protrudes from the edge of the opening on the side of the first connecting portion away from the bottom plate, and the first transducer is arranged in the first connecting portion and is snapped to the first connecting portion at the edge. One card convex.

Optionally, the edge of the opening on the side of the second connecting portion away from the bottom plate is protruded with a second locking protrusion, and the two side edges of the second transducer are respectively connected to the second locking protrusion and the first locking protrusion. A peripheral wall of the connecting portion.

Optionally, the first emitting surface is concave and curved in a direction away from the treatment window;

And/or, the second transducer is ring-shaped, and the second emitting surface is concave and curved in a direction away from the treatment window.

Optionally, there are a plurality of second transducers, and the plurality of second transducers are installed on the bracket at even intervals along the peripheral direction of the first transducer.

Optionally, an input hole communicating with the inner cavity is opened on the outer surface of the housing;

The ultrasonic treatment head also includes a driving mechanism, the driving mechanism is installed on the outside of the housing, the output end of the driving mechanism passes through the input hole and is connected to the bracket, and the driving mechanism drives the The ultrasonic transducer unit moves away from or close to the treatment window; a sealing structure is provided at the input hole, and the sealing structure is sheathed outside the output end.

Optionally, the sealing structure is an elastic membrane, the elastic membrane surrounds and forms a cylindrical structure with two ends open, and the two ends of the cylindrical structure are respectively connected to the periphery of the input hole and the bracket.

Optionally, the casing includes an inner shell and an upper cover, the upper cover and the inner shell are enclosed to form the inner cavity, the treatment window is opened on the surface of the inner shell, and the upper cover is connected to On the side of the inner shell away from the treatment window, the bracket is connected to the inner side wall of the inner shell;

The outer wall of the inner shell is also covered with an outer shell, and a through hole is opened on the surface of the outer shell, and the through hole faces the treatment window.

Optionally, the ultrasonic therapy head also includes a controller;

The casing is equipped with a displacement sensor, and the displacement sensor is used to obtain information on the moving distance of the casing; and/or

The housing is equipped with a contact sensor, and the contact sensor is used to obtain the longitudinal distance value information between the housing and the surface of the treatment area;

The controller is electrically connected to the displacement sensor and the contact sensor respectively.

The present invention also proposes an ultrasonic therapeutic apparatus, including the ultrasonic therapeutic head.

Beneficial effects of the present invention: the embodiment of the present application discloses that the second transducer is installed on the bracket along the peripheral direction of the first transducer. This type of structural setting not only saves the need to set up a shell structure for carrying the transducer outside each transducer, but also realizes that more transducers can be installed in the same volume of installation space, and the ring design and horizontal arrangement Compared with the design, it has a greater space utilization rate, and more transducers can be installed to ensure that under the same preset electric energy output power (consistent with the electric energy output power required by the existing horizontally arranged transducer combination structure), this The combined structure of the applied transducer can emit ultrasonic energy meeting the purpose of treatment. The volume of the treatment head of the present application becomes smaller and has a smaller space occupancy rate. When used in combination with the ultrasonic treatment apparatus in the prior art, it is convenient to hold and move.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative effort.

Fig. 1 is the sectional structure schematic diagram of an embodiment of the ultrasonic therapy head of the present invention;

Fig. 2 is a schematic cross-sectional structure diagram of an embodiment of the ultrasonic therapy head of the present invention;

Fig. 3 is the schematic diagram of the enlarged structure of A in Fig. 1;

Fig. 4 is a schematic plan view of the first transducer and the second transducer in the ultrasonic therapy head of the present invention.

Explanation of reference numbers:

The realization of the purpose of the present invention, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the figure). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.

In addition, the descriptions involving "first", "second" and so on in the present invention are only for descriptive purposes, and should not be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , nor within the scope of protection required by the present invention.

Please refer to FIG. 1. FIG. 1 is a schematic cross-sectional structure diagram of an embodiment of the ultrasonic treatment head of the present invention. In the embodiment of the present invention, the ultrasonic treatment head includes: a housing 1 and an ultrasonic transducer unit 2. The housing 1 Form a lumen 12 with a treatment window 11; include a bracket 21, a first transducer 22 and a second transducer 23, the bracket 21 is installed in the lumen 12, the first transducer 22 Installed on the bracket 21, the second transducer 23 is installed on the bracket 21 along the peripheral direction of the first transducer 22, and the first transducer 22 has a first emitting surface 221, so The second transducer 23 has a second emitting surface 231, the first emitting surface 221 and the second emitting surface 231 are both facing the treatment window 11, the first transducer 22 and the second emitting surface The transducers 23 have the same and/or different depths of focus.

The embodiment of the present application discloses that the second transducer 23 is installed on the bracket 21 along the peripheral direction of the first transducer 22 . This type of structural arrangement not only saves the need to set the shell 16 structure for carrying transducers in the casing, but also achieves the effect that more transducers can be installed in the same volume of installation space, and the annular design and horizontal arrangement design In comparison, it has a greater space utilization rate, and ensures that under the same preset power output power (consistent with the power output power required by the existing horizontally arranged transducer combination structure), the emission surface of the transducer combination structure of this application can Ultrasonic energy is emitted for therapeutic purposes. The volume of the treatment head of the present application becomes smaller, has a smaller space occupation rate, and has an excellent compact structure. When used in combination with the ultrasonic treatment apparatus in the prior art, it is convenient to hold and move.

In this application, the focal point of the transmitting surface of the transducer is located outside the treatment window 11, and is precisely positioned on the target treatment tissue, such as the dermis, subcutaneous fat layer, SMAS layer, etc., to achieve the effects of lifting, firming, skin rejuvenation and fat reduction. Effect. As shown in Figure 2, the focal points of the ultrasonic waves emitted by the emitting surfaces of the first transducer 22 and the second transducer 23 are arranged at intervals in the direction perpendicular to the treatment window, so that the ultrasonic transducer unit 2 has two depths (by adjusting the output power of the electric energy, the transmitting surfaces of different transducers have multiple same or different depth ranges, the structure and control method are existing technologies, and will not be described in this article), when the ultrasonic transducer unit 2 When working, multiple depth ranges work at the same time. In this way, when the new type of ultrasonic treatment head is treating human subcutaneous tissue, it can simultaneously treat multiple layers of subcutaneous tissue in the human body, improving the efficiency of treatment.

In one example, the bracket 21 includes a bottom plate (not shown in the figure), a first connecting portion 211 and a second connecting portion 212 protrude from a side of the bottom plate facing the treatment window 11, and the second connecting portion 212 The connecting portion 212 is arranged around the periphery of the first connecting portion 211, the first transducer 22 is detachably connected to the first connecting portion 211, and the second transducer 23 is detachably connected to the The second connection part 212 .

The transducer can be detachably connected to the connection part, such as threaded (screw) connection, or card connection, etc., which is convenient for disassembly, replacement or maintenance. In practical applications, the first connecting part 211 and the second connecting part 212 respectively enclose and form a cavity, and the first transducer 22 and the second transducer 23 are fitted and installed in the cavity. Of course, the cavity faces the treatment window One side of 11 is an open surface, to expose the emitting surface of the transducer.

Please refer to FIG. 1 to FIG. 3 , the opening edge of the first connecting portion 211 away from the bottom plate is protruded with a first locking protrusion 2111 , and the first transducer 22 is arranged in the first connecting portion 211 , And it is engaged with the first protrusion 2111 at the edge. In a further embodiment, the opening edge of the second connecting portion 212 away from the bottom plate is protruded with a second locking protrusion 2121, and the two side edges of the second transducer 23 are respectively connected to the second The locking protrusion 2121 and the outer peripheral wall of the first connecting portion 211 .

This type of structure is set, the first connecting part 211 and the second connecting part 212 are surrounded to form a cavity for accommodating the transducer, and a locking protrusion is provided on the inner peripheral wall of the cylindrical structure, and the edge of the transducer is snapped on the clip. Convex, effectively prevent the transducer from leaving the cavity, and increase the stability of the structural connection.

Please refer to Figures 1 to 4, wherein Figure 4 is a schematic plan view of the first transducer 22 and the second transducer 23 in the ultrasonic therapy head of the present invention, the first emitting surface 221 in this embodiment faces away from the The direction of the treatment window 11 is concave and curved; and/or, the second transducer 23 is annular, and the second emitting surface 231 is concave and curved in a direction away from the treatment window 11 .

Of course, there are multiple second transducers 23 in other embodiments, and the plurality of second transducers 23 are installed on the bracket 21 at regular intervals along the peripheral direction of the first transducer 22 .

A plurality of second transducers 23 are installed on the support 21 at even intervals along the peripheral direction of the first transducer 22. This type of structure has greater space utilization and ensures that the same preset electric energy output power (compared to the existing If the combined structure of transducers arranged horizontally requires the same output power of electric energy), the transmitting surface of the combined transducer structure of the present application can emit ultrasonic energy that meets the purpose of treatment.

By setting the emitting surface of the ultrasonic transducer unit 2 as a curved emitting surface, the focal point of the ultrasonic waves emitted from the emitting surface corresponds to the central area of the treatment window 11 , which is beneficial for precise positioning on the target tissue for treatment.

In the technical solution of the present invention, the outer surface of the housing 1 is provided with an input hole 13 communicating with the inner cavity 12; the ultrasonic treatment head also includes a driving mechanism 3, and the driving mechanism 3 is installed in the housing. Outside the body 1, the output end 31 of the driving mechanism 3 extends through the input hole 13 and connects to the bracket 21, and the driving mechanism 3 drives the ultrasonic transducer unit 2 to move away from or approach the treatment The window 11 moves in the direction; the input hole 13 is provided with a sealing structure 131 , and the sealing structure 131 is sleeved on the outside of the output end 31 .

In this application, due to the compact structure and small volume of the treatment head, it is convenient to hold and use. When used in combination with the existing ultrasonic treatment instrument, the doctor holds the handle of the treatment instrument, and the treatment surface including the treatment window 11 is attached to the surface of the treatment area (human body surface) and slides. , to increase the treatment area, at the same time, the driving mechanism 3 can also be controlled to drive the ultrasonic transducer unit 2 to move towards the direction close to the treatment window 11, that is, to move the transducer vertically towards the direction close to the human skin surface, which can increase the focal point The formation depth and range can improve the treatment effect. In practical applications, the driving mechanism 3 may be a linear screw motor or the like that is drivingly connected to the bracket 21 , and of course, includes but is not limited to the above-mentioned driving structure. The power output end 31 of the driving motor extends into the inner cavity 12 and moves back and forth, and impurities are easily brought into the inner cavity 12. In order to solve the above problems, a sealing structure 131 is set in the input hole 13 and sleeved outside the output end 31 for sealing The input hole 13 is sealed. The treatment depth can be obtained through the encoder feedback of the motor, or a depth detection module can be additionally set for detection.

In addition, when the ultrasonic transducer unit 2 transmits ultrasonic energy in a relatively closed environment or an environment full of ultrasonic propagation media, the energy loss is less, so adding a sealing structure 131 to the input hole 13 can reduce the ultrasonic energy loss to a certain extent, Increases therapeutic effect when in contact with human skin surface.

In the technical solution of the present invention, the sealing structure 131 is an elastic film, and the elastic film surrounds and forms a cylindrical structure with two ends open, and the two ends of the cylindrical structure are respectively connected to the housing 1 and the bracket twenty one.

In order to achieve a good sealing effect, the sealing structure 131 is arranged along the entire movement stroke of the input end, following the reciprocating movement of the input end and the bracket 21. In order to prevent the sealing structure 131 from being pulled and torn, the sealing structure 131 is made of an elastic film.

In the technical solution of the present invention, the treatment window 11 is provided with a sound-transmitting structure 111, and the inner cavity 12 is filled with an ultrasonic propagation medium (not shown in the figure). In a further embodiment, the sound-permeable structure 111 is a sound-permeable membrane; and/or, the ultrasonic wave propagation medium is degassed water.

As mentioned above, when the ultrasonic transducer unit 2 propagates ultrasonic energy in an environment filled with ultrasonic propagation medium, the energy loss is less, the propagation ability is stronger, and the therapeutic effect is better, so it is necessary to add a sound-transmitting structure 111 to the treatment window 11 to ensure The lumen 12 is completely sealed while allowing ultrasonic energy to pass through.

In the technical solution of the present invention, the housing 1 includes an inner shell 14 and an upper cover 15, the upper cover 15 and the inner shell 14 enclose the inner cavity 12, and the treatment window 11 is opened in the inner cavity. The surface of the shell 14, the upper cover 15 is connected to a side of the inner shell 14 away from the treatment window 11, the bracket 21 is connected to the inner side wall of the inner shell 14; the outer side of the inner shell 14 The wall is also covered with a shell 16 , and a through hole is opened on the surface of the shell 16 , and the through hole faces the treatment window 11 .

The outer shell 16 is used to protect the inner shell 14 from damage, so as to ensure the integrity of the inner cavity 12 and the inner ultrasonic transducer unit 2 from damage.

In the technical solution of the present invention, the ultrasonic treatment head also includes a controller; the housing 1 is equipped with a displacement sensor (not shown in the figure), and the displacement sensor is used to obtain information on the moving distance of the housing 1 and/or, the housing 1 is equipped with a contact sensor (not shown in the figure), and the contact sensor is used to obtain the longitudinal distance value information between the housing 1 and the surface of the treatment area; Sexually connected to the displacement sensor and the contact sensor.

In this application, due to the compact structure and small size of the treatment head, it is convenient to hold and use. When used in combination with the existing ultrasonic treatment instrument, the doctor holds the handle of the treatment instrument, and the treatment surface including the treatment window 11 is attached to the surface of the treatment area (the surface of the human body) and Sliding, before the output of ultrasonic energy, it is necessary to detect whether the treatment surface of the handle fits well with the treatment area, that is, the contact sensor continuously detects and obtains the longitudinal distance value information between the shell 1 and the surface of the treatment area during treatment, and whether the handle moves, that is, , through the displacement sensor to obtain the moving distance value information of the shell 1 in real time, if the contact is poor (generally far away from the human skin surface) and/or the handle stops moving, the energy output will be stopped, so as to avoid the superposition of energy at the same point and cause skin burns medical malpractice and hidden dangers.

The present invention also proposes an ultrasonic therapeutic apparatus, including the ultrasonic therapeutic head. The specific structure of the ultrasonic therapeutic head refers to the above-mentioned embodiments. Since this ultrasonic therapeutic apparatus adopts all the technical solutions of the above-mentioned embodiments, it has at least the above-mentioned All the beneficial effects brought by the technical solutions of the embodiments will not be repeated here.

The above is only a preferred embodiment of the present invention, and does not therefore limit the patent scope of the present invention. Under the inventive concept of the present invention, the equivalent structural transformation made by using the description of the present invention and the contents of the accompanying drawings, or direct/indirect use All other relevant technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. an ultrasonic treatment head, is characterized in that, comprises: a housing forming a lumen having a treatment window; and The ultrasonic transducer unit includes a bracket, a first transducer and a second transducer, the bracket is installed in the inner cavity, the first transducer is installed in the bracket, and the second transducer The device is installed on the support along the peripheral direction of the first transducer, the first transducer has a first emission surface, the second transducer has a second emission surface, and the first emission surface and the second emitting surface both face the treatment window, the first transducer and the second transducer have the same and/or different depth of focus. 2. The ultrasonic treatment head according to claim 1, characterized in that, the bracket comprises a bottom plate, and a first connecting portion and a second connecting portion protrude from a side of the bottom plate facing the treatment window, and the second connecting portion The connecting part is arranged around the periphery of the first connecting part, the first transducer is detachably connected to the first connecting part, and the second transducer is detachably connected to the second connecting part. 3. The ultrasonic therapy head according to claim 2, characterized in that, the opening edge of the side of the first connecting part far away from the bottom plate is protruded with a first locking protrusion, and the first transducer is arranged on the second In a connecting portion, and is clamped to the first clamping protrusion at the edge. 4. The ultrasonic therapy head according to claim 2, characterized in that, the opening edge of the second connecting portion away from the bottom plate is protruded with a second locking protrusion, and the edges on both sides of the second transducer respectively connected to the second locking protrusion and the outer peripheral wall of the first connecting portion. 5. The ultrasonic treatment head according to claim 1, characterized in that, the first emitting surface is concave and curved in a direction away from the treatment window; And/or, the second transducer is ring-shaped, and the second emitting surface is concave and curved in a direction away from the treatment window. 6. The ultrasonic therapy head according to claim 1, wherein there are multiple second transducers, and the plurality of second transducers are evenly spaced along the peripheral direction of the first transducer mounted on the bracket. 7. The ultrasonic treatment head according to any one of claims 1 to 6, wherein an input hole communicating with the inner cavity is opened on the outer surface of the housing; The ultrasonic treatment head also includes a driving mechanism, the driving mechanism is installed on the outside of the housing, the output end of the driving mechanism passes through the input hole and is connected to the bracket, and the driving mechanism drives the The ultrasonic transducer unit moves away from or close to the treatment window; a sealing structure is provided at the input hole, and the sealing structure is sheathed outside the output end. 8. The ultrasonic therapy head according to any one of claims 1 to 6, wherein the housing comprises an inner shell and an upper cover, and the upper cover and the inner shell enclose to form the inner cavity, The treatment window is opened on the surface of the inner shell, the upper cover is connected to a side of the inner shell away from the treatment window, and the bracket is connected to the inner side wall of the inner shell; The outer wall of the inner shell is also covered with an outer shell, and a through hole is opened on the surface of the outer shell, and the through hole faces the treatment window. 9. The ultrasonic treatment head according to any one of claims 1 to 6, wherein the ultrasonic treatment head further comprises a controller; The casing is equipped with a displacement sensor, and the displacement sensor is used to obtain information on the moving distance of the casing; and/or The housing is equipped with a contact sensor, and the contact sensor is used to obtain the longitudinal distance value information between the housing and the surface of the treatment area; The controller is electrically connected to the displacement sensor and the contact sensor respectively. 10. An ultrasonic therapeutic apparatus, characterized in that it comprises the ultrasonic therapeutic head according to any one of claims 1-9.