Focused ultrasonic treatment head with sound energy feedback

Abstract

The utility model relates to the technical field of ultrasonic treatment equipment, in particular to a focused ultrasonic treatment head with sound energy feedback. The outer housing covers the acoustic lens; a plurality of sensor binding posts and power binding posts are mounted on the outer housing; a plurality of focusing transducers are evenly distributed on the outer spherical surface of the acoustic lens, an acoustic vibration sensor is installed on the back face of each focusing transducer, each focusing transducer is connected with the corresponding power connecting column through a transducer function connecting line, and each acoustic vibration sensor is connected with the corresponding sensor binding post through a connecting line. A sound energy sensor is additionally arranged behind the focused transducer, a sound vibration sensor is used for monitoring vibration signals related to sound power in real time during working, ultrasonic sound power is fed back through the sound vibration sensor, external control equipment adjusts input electric power in real time according to sound power feedback, and the output stability of the sound power in the treatment period is guaranteed; the safety of the patient and the effectiveness of the treatment effect in the treatment process are further ensured.

Description

Technical Field

[0001] This utility model relates to the field of ultrasonic therapy equipment technology, and in particular to a focused ultrasonic therapy head with acoustic energy feedback. Background Technology

[0002] Focused ultrasound therapy is a medical device that uses focused ultrasound waves for treatment. Its treatment unit typically consists of an ultrasound power generator and a treatment head. During treatment, the generator produces ultrasonic electrical power, the treatment head receives the electrical power, and generates focused ultrasound power of the same frequency as the electrical power, which is applied to the patient's treatment site. The therapeutic effect is produced through mechanical, thermal, and cavitation effects.

[0003] Currently, ultrasonic treatment heads are calibrated using a radiation force balance to measure acoustic power before leaving the factory. During treatment, the transducer heats up, causing changes in its impedance characteristics and consequently, its electroacoustic conversion efficiency. The same electrical power cannot produce the same acoustic power. In this situation, with the treatment head facing the patient, it's impossible to monitor the acoustic power in real-time using a radiation force balance; only the applied electrical power can be monitored via electrical signals. This only ensures the stability of the electrical power, not the acoustic power during treatment. Excessive acoustic power can cause harm to the patient, while insufficient acoustic power will not achieve the desired therapeutic effect. Therefore, the inability to guarantee stable acoustic power poses a safety hazard during treatment. Summary of the Invention

[0004] The technical problem to be solved by this utility model is: in order to solve the problems existing in the prior art in the background art, a focused ultrasound treatment head with acoustic energy feedback is provided, which receives electrical power applied by an external power source through an ultrasonic transducer to generate focused ultrasonic power; monitors the acoustic power through an acoustic vibration sensor, measures the ultrasonic acoustic power in real time, and provides it to an external control unit for electrical power control to maintain stable acoustic power.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a focused ultrasound treatment head with acoustic energy feedback, including an acoustic lens and an outer shell, wherein the outer shell covers the acoustic lens;

[0006] The outer casing is equipped with several sensor terminals and power terminals.

[0007] Several focusing transducers are evenly distributed on the outer spherical surface of the acoustic lens. An acoustic vibration sensor is installed on the back of each focusing transducer. Each focusing transducer is connected to its corresponding power connection post through a transducer function connection line. Each acoustic vibration sensor is connected to its corresponding sensor terminal through a connection line.

[0008] Furthermore, the acoustic lens includes an acoustic lens body, which is shaped like a spherical cap shell. A circular hole is provided at the top of the acoustic lens body, and a convex ring is provided on the inner wall of the circular hole. An outer ring with a horizontal ring structure is installed on the bottom surface of the lens body.

[0009] Furthermore, both the sensor terminal and the power terminal are mounted on the top of the outer casing. A power ground mounting hole is also provided on the top surface of the outer casing. The sensor terminal, the power terminal, and the power ground mounting hole are all mounted on the top surface of the outer casing in a ring array around the through hole. The sensor terminal, the power terminal, and the power ground mounting hole are alternately arranged at equal intervals.

[0010] Furthermore, the outer casing includes an outer casing body, which is shaped like a stepped frustum. The bottom surface of the outer casing body has an outer edge with a horizontal annular structure. A through hole is opened at the middle of the top of the outer casing. Several annular grooves are opened on the inner wall of the through hole, and O-rings are installed in the annular grooves.

[0011] Furthermore, the outer ring of the acoustic lens is provided with several outer ring screw holes, and the outer edge of the outer cover is provided with several outer edge screw holes. The outer ring screw holes and the outer edge screw holes are correspondingly set and connected by bolts.

[0012] The acoustic lens has several mounting holes on its convex ring, and the inner wall of the outer casing has several fixing holes. The mounting holes correspond to the fixing holes and are connected by mounting posts.

[0013] Furthermore, the connection between the outer ring of the acoustic lens and the outer edge of the outer casing is filled with sealant, forming a sealed cavity structure between the acoustic lens and the outer casing.

[0014] Furthermore, the focusing transducer is shaped like a fan-shaped spherical surface, and rubber strips are embedded between adjacent focusing transducers.

[0015] Furthermore, the focusing transducer is bonded to the acoustic lens, and the acoustic vibration sensor is bonded to the focusing transducer.

[0016] Furthermore, the power terminals are connected to external control equipment.

[0017] Furthermore, the acoustic vibration sensor is installed at the center of the back of the focusing transducer.

[0018] The beneficial effects of this invention are as follows: This invention adds an acoustic energy sensor behind the self-focusing transducer. When the focusing transducer is working, the acoustic vibration sensor monitors the vibration signal related to the acoustic power in real time. Through the feedback of the ultrasonic acoustic power from the acoustic vibration sensor, the external control device adjusts the input electrical power in real time according to the acoustic power feedback, ensuring the stability of the acoustic power output during treatment, and further ensuring the safety of the patient and the effectiveness of the treatment. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a utility model Figure 1 A structural diagram from another direction;

[0022] Figure 3 This is an exploded view of the present invention;

[0023] Figure 4 This is a utility model Figure 3 An exploded view from another direction;

[0024] Figure 5 This is a schematic diagram of the structure of the acoustic lens of this utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the outer casing of this utility model;

[0026] In the diagram: 1. Acoustic lens, 2. Outer housing, 3. Focusing transducer, 4. Acoustic vibration sensor, 7. Sensor terminal, 8. Power connection post, 9. Round hole, 10. Raised ring, 11. Outer ring, 12. Through hole, 13. Outer edge, 14. Outer ring screw hole, 16. O-ring seal, 17. Power ground mounting hole, 18. Mounting hole. Detailed Implementation

[0027] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0028] like Figures 1-6 A focused ultrasound treatment head with acoustic energy feedback is shown, comprising an acoustic lens 1 and an outer casing 2, wherein the outer casing 2 covers the acoustic lens 1.

[0029] The outer casing 2 is equipped with several sensor terminals 7 and power terminals 8, and the power terminals 8 are connected to external control equipment.

[0030] Several focusing transducers 3 are evenly distributed on the outer spherical surface of the acoustic lens 1. Each focusing transducer 3 is equipped with an acoustic vibration sensor 4 on its back. Each focusing transducer 3 is connected to its corresponding power connection post 8 through a transducer function connection line. Each acoustic vibration sensor 4 is connected to its corresponding sensor terminal 7 through a connection line.

[0031] like Figure 5As shown, the acoustic lens 1 includes an acoustic lens body, which is shaped like a spherical cap shell. A circular hole 9 is provided at the top of the acoustic lens body, and a convex ring 10 is provided on the inner wall of the circular hole 9. An outer ring 11 with a horizontal ring structure is installed on the bottom surface of the lens body.

[0032] like Figure 1 , Figure 3 , Figure 6 As shown, the sensor terminal 7 and the power terminal 8 are both installed on the top of the outer casing 2. The top surface of the outer casing 2 is also provided with a power ground mounting hole 17. The sensor terminal 7, the power terminal 8 and the power ground mounting hole 17 are all arranged in a ring array around the through hole 12 on the top surface of the outer casing 2. The sensor terminal 7, the power terminal 8 and the power ground mounting hole 17 are arranged alternately with equal spacing.

[0033] like Figure 5 As shown, the outer casing 2 includes an outer casing body, which is shaped like a stepped frustum. The bottom surface of the outer casing body is provided with an outer edge 13 in the form of a horizontal ring structure. A through hole 12 is provided at the middle position of the top of the outer casing 2. Several annular grooves are provided on the inner wall of the through hole 12, and O-rings 16 are installed in the annular grooves.

[0034] like Figure 6 As shown, the outer ring 11 of the acoustic lens 1 is provided with a plurality of outer ring screw holes 14, and the outer edge 13 of the outer cover 2 is provided with a plurality of outer edge screw holes. The outer ring screw holes 14 are correspondingly provided with the outer edge screw holes and are connected by bolts.

[0035] The convex ring 10 of the acoustic lens 1 is provided with several mounting holes 18, and the inner wall of the outer cover 2 is provided with several fixing holes. The mounting holes 18 correspond to the fixing holes and are connected by mounting posts.

[0036] The connection between the outer ring 11 of the acoustic lens 1 and the outer edge 13 of the outer casing 2 is filled with sealant, forming a sealed cavity structure between the acoustic lens 1 and the outer casing 2.

[0037] like Figure 3 and Figure 5 As shown, there are 6 focusing transducers 3, which are distributed in six equal parts. The shape of the focusing transducers 3 is a fan-shaped spherical shape. Adhesive strips are embedded between adjacent focusing transducers 3 to prevent adjacent focusing transducers 3 from touching each other.

[0038] The focusing transducer 3 is bonded to the acoustic lens 1, and the acoustic vibration sensor 4 is bonded to the focusing transducer 3.

[0039] The acoustic vibration sensor 4 is installed at the middle position on the back of the focusing transducer 3. It can sense the vibration of the transducer and detect an electrical signal with the same frequency and amplitude as the vibration of the focusing transducer.

[0040] Specifically, when external power excites the focusing transducer 3 through the power terminal 8, the six focusing transducers 3 generate focused acoustic power for treatment. At the same time, the acoustic vibration sensor 4 senses the ultrasonic vibration and generates an electrical signal of the same frequency. This electrical signal is related to the amplitude of the vibration of the focusing transducer 3, which facilitates acoustic power feedback. By adjusting the input power, a stable output acoustic power is generated.

[0041] Compared to the traditional method of periodically inspecting a radiation force balance and adjusting the power source output based on the inspection results, real-time acoustic power feedback allows for real-time electrical power adjustment, ensuring stable real-time acoustic power.

[0042] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A focused ultrasound therapy head with acoustic energy feedback, characterized in that: It includes an acoustic lens (1) and an outer casing (2), wherein the outer casing (2) covers the acoustic lens (1); The outer casing (2) is equipped with several sensor terminals (7) and power terminals (8); Several focusing transducers (3) are evenly distributed on the outer spherical surface of the acoustic lens (1). Each focusing transducer (3) is equipped with an acoustic vibration sensor (4) on its back side. Each focusing transducer (3) is connected to its corresponding power terminal (8) through a transducer function connection line. Each acoustic vibration sensor (4) is connected to its corresponding sensor terminal (7) through a connection line.

2. The focused ultrasound treatment head with acoustic energy feedback according to claim 1, characterized in that: The acoustic lens (1) includes an acoustic lens body, which is shaped like a spherical cap shell. A circular hole (9) is provided at the top of the acoustic lens body, and a convex ring (10) is provided on the inner wall of the circular hole (9). An outer ring (11) with a horizontal ring structure is installed on the bottom surface of the lens body.

3. The focused ultrasound therapy head with acoustic energy feedback according to claim 1, characterized in that: The sensor terminal (7) and power terminal (8) are both installed on the top of the outer casing (2). A power ground mounting hole (17) is also provided on the top surface of the outer casing (2). The sensor terminal (7), power terminal (8) and power ground mounting hole (17) are all arranged in a ring array around the through hole (12) on the top surface of the outer casing (2). The sensor terminal (7), power terminal (8) and power ground mounting hole (17) are arranged alternately at equal intervals.

4. A focused ultrasound therapy head with acoustic energy feedback according to claim 1, characterized in that: The outer shell (2) includes an outer shell body, which is shaped like a stepped frustum. The bottom surface of the outer shell body is provided with an outer edge (13) in the shape of a horizontal ring structure. A through hole (12) is provided at the middle of the top of the outer shell (2). Several annular grooves are provided on the inner wall of the through hole (12), and O-rings (16) are installed in the annular grooves.

5. A focused ultrasound therapy head with acoustic energy feedback according to claim 1, characterized in that: The acoustic lens (1) has a plurality of outer ring screw holes (14) on its outer ring (11) and a plurality of outer edge screw holes on its outer edge (13). The outer ring screw holes (14) and the outer edge screw holes are correspondingly arranged and connected by bolts. The acoustic lens (1) has several mounting holes (18) on its convex ring (10) and several fixing holes on the inner wall of the outer casing (2). The mounting holes (18) correspond to the fixing holes and are connected by mounting posts.

6. A focused ultrasound therapy head with acoustic energy feedback according to claim 5, characterized in that: The connection between the outer ring (11) of the acoustic lens (1) and the outer edge (13) of the outer casing (2) is filled with sealant, and a sealed cavity structure is formed between the acoustic lens (1) and the outer casing (2).

7. A focused ultrasound therapy head with acoustic energy feedback according to claim 1, characterized in that: The focusing transducer (3) is shaped like a fan-shaped spherical surface, and a rubber strip is embedded between adjacent focusing transducers (3).

8. A focused ultrasound therapy head with acoustic energy feedback according to claim 1, characterized in that: The focusing transducer (3) is glued to the acoustic lens (1), and the acoustic vibration sensor (4) is glued to the focusing transducer (3).

9. A focused ultrasound therapy head with acoustic energy feedback according to claim 1, characterized in that: The power terminal (8) is connected to an external control device.

10. A focused ultrasound therapy head with acoustic energy feedback according to claim 1, characterized in that: The acoustic vibration sensor (4) is installed at the middle position on the back of the focusing transducer (3).

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