Phased array focused ultrasound generating device and ultrasonic transducer system

Abstract

The utility model discloses a phased array focused ultrasound generating device and ultrasonic transducer system, wherein the phased array focused ultrasound generating device comprises a housing, a support assembly, an ultrasonic signal generating module and at least one ultrasonic driving plate, an accommodating cavity is formed in the housing, the ultrasonic signal generating module is arranged on the rear side wall of the accommodating cavity, and the ultrasonic signal generating module is arranged on the rear side wall of the accommodating cavity. The support assembly is fixedly connected into the containing cavity and comprises a plurality of sliding grooves formed in the front-back direction, the ultrasonic signal generation module is provided with a plurality of insertion openings, the sliding grooves correspond to the insertion openings, and the ultrasonic driving plate is arranged on the sliding grooves in a sliding mode and inserted into the insertion openings. The ultrasonic driving plates are arranged on the support assembly in a sliding mode so as to support the ultrasonic driving plates, disassembly and assembly are convenient, a user can increase or decrease the ultrasonic driving plates according to needs of the user, one machine can meet different use needs, use is convenient for the user, and the user does not need to purchase phased array focused ultrasound generating devices of various specifications. And the use cost can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, and in particular to a phased array focused ultrasound generating device and an ultrasonic transducer system. Background Art

[0002] The core functional output unit of a focused ultrasound device is the ultrasonic transducer system, which includes a host computer, a phased array focused ultrasound generator, and an ultrasonic transducer array consisting of several ultrasonic transducer units. The host computer sends control data to the phased array focused ultrasound generator, which in turn controls the ultrasonic transducer units to emit ultrasound waves, generating the desired ultrasound waveform and energy at the target focal point.

[0003] The ultrasonic driving board of the existing phased array focused ultrasound generator is fixed inside the box. Users cannot add or remove the ultrasonic driving board according to their needs. As a result, medical institutions usually need to configure machines of various specifications to meet different treatment plans, which brings great inconvenience and leads to large equipment investment for medical institutions, indirectly increasing the treatment costs of patients. Utility Model Content

[0004] The purpose of the present utility model is to provide a phased array focused ultrasonic generator and an ultrasonic transducer system to solve the technical problem in the prior art that the ultrasonic driving board of the phased array focused ultrasonic generator is fixed inside the box, and the user cannot add or remove the ultrasonic driving board according to their needs, thus failing to meet different technical problems.

[0005] The utility model provides a phased array focused ultrasonic generating device, comprising a shell, a bracket assembly, an ultrasonic signal generating module and at least one ultrasonic driving plate, wherein a accommodating cavity is formed in the shell, the ultrasonic signal generating module is arranged on the rear side wall of the accommodating cavity, the bracket assembly is fixedly connected in the accommodating cavity, the bracket assembly includes a plurality of slide grooves arranged front and back, a plurality of plug interfaces are provided on the ultrasonic signal generating module, the slide grooves are arranged corresponding to the plug interfaces, the ultrasonic driving plate is slidably arranged on the slide grooves and plugged into the plug interfaces.

[0006] As described above, the phased array focused ultrasonic generating device, the bracket assembly includes two first brackets and at least one second bracket, the two first brackets and at least one second bracket are connected to the side walls of the accommodating cavity, and are arranged in an upper and lower arrangement, wherein the two first brackets are respectively located at the upper and lower ends, and the second bracket is located between the two first brackets, and the multiple slide grooves are respectively arranged on a side wall of the first bracket facing the second bracket and on the upper and lower side walls of the second bracket, and the upper and lower ends of the ultrasonic driving plate are respectively slidably set on two oppositely arranged slide grooves.

[0007] As described above, the phased array focused ultrasound generating device, the bracket assembly includes a left support member and a right support member, the left support member is arranged on the left side wall of the accommodating cavity, and the right support member is arranged on the right side wall of the accommodating cavity, and the left and right ends of the two first brackets and at least one second bracket are respectively connected to the left support member and the right support member.

[0008] As described above, the phased array focused ultrasonic generating device includes a plurality of ultrasonic driving plates, each of which is plugged into one of the plug interfaces, and two adjacent ultrasonic driving plates are parallel to each other.

[0009] As described above, the phased array focused ultrasonic generating device includes connecting wires for connecting to a plurality of ultrasonic transducer units, each of the ultrasonic driving boards includes a plurality of driving unit circuits, the ultrasonic transducer units are located outside the shell, and the plurality of connecting wires all pass through the shell, one end of each connecting wire is connected to a driving unit circuit, and the other end is connected to a ultrasonic transducer unit.

[0010] As described above, in the phased array focused ultrasound generating device, a first through hole is provided on the shell, the first through hole is communicated with the accommodating cavity, and the plurality of connecting wires all pass through the first through hole.

[0011] As described above, the phased array focused ultrasonic generating device is provided with 36 plug interfaces on the ultrasonic signal generating module, and the 36 plug interfaces are arranged in 3 rows and 12 columns, which can be used to install 36 ultrasonic driving boards; wherein each ultrasonic driving board includes 8 to 16 driving unit circuits, and each driving unit circuit is connected to one ultrasonic transducer unit.

[0012] As described above, the phased array focused ultrasonic generating device is provided with 64 plug interfaces on the ultrasonic signal generating module, and the 64 plug interfaces are arranged in 4 rows and 16 columns, which can be used to install 64 ultrasonic driving boards; wherein each ultrasonic driving board includes 8 to 16 driving unit circuits, and each driving unit circuit is connected to one ultrasonic transducer unit.

[0013] As described above, the phased array focused ultrasonic generating device includes a communication switch, an ultrasonic output voltage control module, an adjustable high-power AC-DC power supply and an auxiliary power supply. The communication switch, the ultrasonic output voltage control module and the auxiliary power supply are all arranged in the accommodating cavity. The communication switch is used to connect to the host computer to receive and feedback signals. The ultrasonic output voltage control module is used to receive the voltage and protection current setting of the host computer through the communication switch and feed back the signal to the adjustable high-power AC-DC power supply. The adjustable high-power AC-DC power supply is used to power the ultrasonic drive board to drive the ultrasonic transducer unit; the auxiliary power supply is used to power the communication switch, the ultrasonic output voltage control module, the ultrasonic signal generating module and the ultrasonic drive board; the adjustable high-power AC-DC power supply and the auxiliary power supply are both connected to the mains.

[0014] As described above, the phased array focused ultrasonic generating device, the ultrasonic signal generating module includes a main control board, an ultrasonic feedback receiving circuit, an interactive interface and several delay unit circuits. The ultrasonic feedback receiving circuit, the interactive interface and the several delay unit circuits are all arranged on the main control board, each of the delay unit circuits is connected to one of the driving unit circuits, the interactive interface is used to receive the signal from the communication switch and send the signal to the delay unit circuit, the delay unit circuit is used to send a delay signal to the driving unit circuit, and the ultrasonic feedback receiving circuit is used to receive the working status signal of the ultrasonic transducer unit.

[0015] As described above, the phased array focused ultrasound generating device has a host computer interface, a power source interface and a mains power interface on the outer wall of the shell, one end of the host computer interface is connected to the communication switch, and the other end is used to connect to the host computer, one end of the power source interface is connected to the ultrasonic output voltage control module, and the other end is used to connect to the adjustable high-power AC-DC power supply, one end of the mains power interface is connected to the auxiliary power supply, and the other end is used to connect to the mains.

[0016] As described above, the phased array focused ultrasound generating device includes a relay, an indicator light, an emergency stop button, a start button, and a stop button. The relay is arranged in the accommodating cavity, and the auxiliary power supply is connected to the mains power through the relay. The indicator light, the emergency stop button, the start button, and the stop button are all arranged on the outer wall of the shell, and the indicator light, the emergency stop button, the start button, and the stop button are all electrically connected to the relay.

[0017] In the phased array focused ultrasound generating device described above, the driving unit circuit includes an isolation circuit, a feedback acquisition circuit, a power amplifier circuit, a filtering circuit, and a driving buffer circuit. The isolation circuit is used to transmit the delay control signal calculated by the ultrasonic signal generating module to the driving buffer circuit and the power amplifier circuit for transmission to the ultrasonic transducer unit after passing through the filtering circuit. The feedback acquisition circuit is used to collect the operating voltage and current signals of the ultrasonic transducer unit in real time for transmission to the ultrasonic signal generating module.

[0018] As described above, the phased array focused ultrasonic generating device, the frequency and phase of the delay control signal calculated by the ultrasonic signal generating module are adjustable, the frequency adjustable range is 0-10MHz, and the default value is 750KHz; the phase adjustable range is 0-2π, and the adjustment accuracy is 2π / 1024; the adjustable high-power AC-DC power supply can adjust the voltage amplitude output to the driving unit circuit, the amplitude adjustable range is 0-1000V, and the default value is 50V.

[0019] As described above, the phased array focused ultrasonic generating device is provided with a cooling fan on the inner bottom wall of the accommodating cavity, the air outlet of the cooling fan is directed toward the ultrasonic driving plate, and the side wall of the shell is provided with a cooling hole, which is connected to the accommodating cavity and is used to discharge the hot air in the accommodating cavity to the outside of the shell.

[0020] In the phased array focused ultrasound generating device as described above, a handle is provided on the top wall of the shell, and a roller is provided on the bottom wall of the shell.

[0021] As described above, the phased array focused ultrasound generating device is further provided with a synchronous input interface and a synchronous output interface on the ultrasound signal generating module; the synchronous input interface is used to connect to an external device to control the signal output of the ultrasound signal generating module; the synchronous output interface is used to connect to an external device to feed back the signal output of the ultrasound signal generating module.

[0022] In the phased array focused ultrasound generating device as described above, the ultrasound signal generating module is an FPGA logic control board, an ASIC logic control board or a discrete component logic circuit board.

[0023] The present utility model also provides an ultrasonic transducer system, comprising a host computer, an ultrasonic transducer array composed of a plurality of ultrasonic transducer units, and the phased array focused ultrasonic generating device as described above; the ultrasonic transducer array forms a control space, and the host computer controls the ultrasonic transducer array through the phased array focused ultrasonic generating device to generate the required ultrasonic waveform and energy at the target focus.

[0024] The implementation of the present invention will have the following beneficial effects:

[0025] In the present invention, a phased array focused ultrasonic generator includes a housing, a bracket assembly, an ultrasonic signal generating module, and at least one ultrasonic drive board. A housing is formed in the housing, the ultrasonic signal generating module is disposed on the rear side wall of the housing, the bracket assembly is fixedly connected to the housing, the bracket assembly includes a plurality of front and rear slides, the ultrasonic signal generating module is provided with a plurality of plug interfaces, the slides and the plug interfaces are correspondingly disposed, the ultrasonic drive board is slidably disposed on the slides and plugged into the plug interfaces. The ultrasonic drive board is slidably disposed on the bracket assembly to support the ultrasonic drive board, facilitating assembly and disassembly. Users can add or remove ultrasonic drive boards according to their needs, and one machine can meet different usage requirements, making it convenient for users to use. Users do not need to purchase multiple specifications of phased array focused ultrasonic generators, which helps reduce usage costs and facilitates maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0027] Figure 1 is a schematic structural diagram of a phased array focused ultrasound generating device according to an exemplary embodiment;

[0028] Figure 2 is a schematic structural diagram of a phased array focused ultrasound generating device from another perspective according to an exemplary embodiment;

[0029] Figure 3 is a schematic structural diagram showing the internal structure of a phased array focused ultrasound generating device according to an exemplary embodiment;

[0030] Figure 4 is a front view of an ultrasonic signal generating module and an ultrasonic driving board according to an exemplary embodiment;

[0031] Figure 5 is a schematic structural diagram of an ultrasonic signal generating module and an ultrasonic driving board according to an exemplary embodiment;

[0032] Figure 6 is a structural schematic diagram of an ultrasonic signal generating module according to an exemplary embodiment;

[0033] Figure 7 is a schematic structural diagram of an ultrasonic driving plate according to an exemplary embodiment;

[0034] Figure 8is a structural schematic diagram of another embodiment of an ultrasonic signal generating module according to an exemplary embodiment;

[0035] Figure 9 is a structural schematic diagram of another embodiment of an ultrasonic driving plate according to an exemplary embodiment;

[0036] Figure 10 is a schematic diagram of a phased array focused ultrasound generating device according to an exemplary embodiment.

[0037] Among them: 1. Shell; 11. First through hole; 12. Heat dissipation hole; 13. Stop button; 14. Upper computer interface; 15. Power source interface; 16. AC power interface; 17. Indicator light; 18. Emergency stop button; 19. Start button; 2. Bracket assembly; 21. First bracket; 22. Second bracket; 23. Slide; 24. Left support; 25. Right support; 3. Ultrasonic signal generating module; 31. Interactive interface; 32. Plug interface; 4. Ultrasonic drive board; 41. Drive unit circuit; 5. Ultrasonic transducer unit; 6. Relay; 7. Cooling fan; 8. Communication switch; 9. Ultrasonic output voltage control module; 10. Auxiliary power supply. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0039] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0040] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0041] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0042] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0043] It should be understood that FPGA stands for Field Programmable Gate Array, which means programmable logic gate array in Chinese; ASIC stands for Application Specific Integrated Circuit, which means application-specific integrated circuit in Chinese.

[0044] See also Figure 1-Figure 3 The present invention provides a phased array focused ultrasound generator, comprising a housing 1, a bracket assembly 2, an ultrasonic signal generating module 3, and at least one ultrasonic drive plate 4. A housing 1 is formed therein, the ultrasonic signal generating module 3 being disposed on the rear sidewall of the housing. The bracket assembly 2 is fixedly connected to the housing. The bracket assembly 2 includes a plurality of front and rear slide grooves 23. The ultrasonic signal generating module 3 is provided with a plurality of plug-in ports 32, the slide grooves 23 corresponding to the plug-in ports 32. The ultrasonic drive plate 4 is slidably disposed on the slide grooves 23 and plugged into the plug-in ports 32. The ultrasonic drive plate 4 is slidably disposed on the bracket assembly 2 to support the ultrasonic drive plate 4, facilitating assembly and disassembly. Users can add or remove ultrasonic drive plates 4 according to their needs. A single device can meet different usage requirements, facilitating user use. Users do not need to purchase multiple specifications of phased array focused ultrasound generators, which helps reduce usage costs and facilitates maintenance.

[0045] Furthermore, the bracket assembly 2 includes two first brackets 21 and at least one second bracket 22. The two first brackets 21 and at least one second bracket 22 are connected to the side walls of the accommodating cavity and are arranged in an upper and lower arrangement. The two first brackets 21 are respectively located at the upper and lower ends, and the second bracket 22 is located between the two first brackets 21. A plurality of the slide grooves 23 are respectively provided on a side wall of the first bracket 21 facing the second bracket 22 and on the upper and lower side walls of the second bracket 22. The upper and lower ends of the ultrasonic drive plate 4 are respectively slidably provided on two oppositely arranged slide grooves 23. The upper and lower ends of the ultrasonic drive plate 4 are both slidably connected to the bracket assembly 2, and the upper and lower ends of the ultrasonic drive plate 4 can be supported, so that the ultrasonic drive plate 4 has a better fixing effect.

[0046] In a specific embodiment, there are two second brackets 22, two first brackets 21 and two second brackets 22 are distributed in four layers, and there are multiple ultrasonic driving plates 4, which are distributed in three layers, wherein the top ultrasonic driving plate 4 is located between the top first bracket 21 and a second bracket 22, and one side wall of the top ultrasonic driving plate 4 is slidably connected to the slide groove 23 on the top first bracket 21, and the other side wall is slidably connected to the slide groove 23 on the second bracket 22; the middle ultrasonic driving plate 4 is located between the two second brackets 22, and one side wall of the middle ultrasonic driving plate 4 is slidably connected to the slide groove 23 on one second bracket 22, and the other side wall is slidably connected to the slide groove 23 on the other second bracket 22; the bottom ultrasonic driving plate 4 is located between the bottom first bracket 21 and the other second bracket 22, and one side wall of the bottom ultrasonic driving plate 4 is slidably connected to the slide groove 23 on the bottom first bracket 21, and the other side wall is slidably connected to the slide groove 23 on the other second bracket 22.

[0047] Furthermore, the bracket assembly 2 includes a left support member 24 and a right support member 25. The left support member 24 is arranged on the left side wall of the accommodating chamber, and the right support member 25 is arranged on the right side wall of the accommodating chamber. The left and right ends of the two first brackets 21 and at least one second bracket 22 are respectively connected to the left support member 24 and the right support member 25. The left support member 24 and the right support member 25 are respectively fixed to the left and right side walls of the accommodating chamber, and the first bracket 21 and the second bracket 22 are fixedly connected to the left support member 24 and the right support member 25, so that the first bracket 21 and the second bracket 22 can support the ultrasonic driving plate 4.

[0048] Furthermore, the phased array focused ultrasound generating device includes a plurality of the ultrasonic driving plates 4 , each of the ultrasonic driving plates 4 is plugged into one of the plug ports 32 , and two adjacent ultrasonic driving plates 4 are parallel to each other.

[0049] Furthermore, the phased array focused ultrasonic generator includes connecting wires for connecting to a plurality of ultrasonic transducer units 5. Each of the ultrasonic drive boards 4 includes a plurality of drive unit circuits 41. The ultrasonic transducer units 5 are located outside the housing 1. The plurality of connecting wires all pass through the housing 1. One end of each connecting wire is connected to a drive unit circuit 41, and the other end is connected to a ultrasonic transducer unit 5. A plurality of ultrasonic transducer units 5 are arranged to form an ultrasonic transducer array, forming a control space. Each ultrasonic transducer unit 5 is controlled by an independent drive unit circuit 41. During the control process, the synchronization accuracy between signal channels is high, and a large number of ultrasonic transducer units 5 are controlled. The frequency, phase, and amplitude of the drive waveform of a single ultrasonic transducer unit 5 can be adjusted, achieving one-to-one precise control to generate the desired ultrasonic waveform and energy at the target focus, making it easy to connect and replace the ultrasonic transducer unit 5.

[0050] Furthermore, the housing 1 is provided with a first through hole 11, which is in communication with the accommodating cavity, and the plurality of connecting wires pass through the first through hole 11. The plurality of connecting wires pass through the first through hole 11 in a bundle to connect to the external ultrasonic transducer unit 5.

[0051] Furthermore, the phased array focused ultrasound generating device includes a communication switch 8, an ultrasonic output voltage control module 9, an adjustable high-power AC-DC power supply and an auxiliary power supply 10. The communication switch 8, the ultrasonic output voltage control module 9, and the auxiliary power supply 10 are all arranged in the accommodating cavity. The communication switch 8 is used to connect to the host computer to receive and feedback signals. The ultrasonic output voltage control module 9 is used to receive the voltage and protection current settings of the host computer through the communication switch 8 and feed back the signal to the adjustable high-power AC-DC power supply. The adjustable high-power AC-DC power supply is used to power the ultrasonic drive board to drive the ultrasonic transducer unit; the auxiliary power supply 10 is used to power the communication switch 8, the ultrasonic output voltage control module 9, the ultrasonic signal generating module 3, and the ultrasonic drive board 4; the adjustable high-power AC-DC power supply and the auxiliary power supply are both connected to the mains. Specifically, the adjustable high-power AC-DC power supply can be an external component or can be arranged in the shell 1. The adjustable high-power AC-DC power supply is used to power the ultrasonic driving board 4 to drive the ultrasonic transducer unit 5. The upper computer can collect the real-time voltage and protection current setting signals of the ultrasonic output voltage control module 9 from the adjustable high-power AC-DC power supply through the communication switch 8 in real time.

[0052] Furthermore, the ultrasonic signal generating module 3 includes a main control board, an ultrasonic feedback receiving circuit, an interactive interface 31, and several delay unit circuits. The ultrasonic feedback receiving circuit, the interactive interface 31, and the delay unit circuits are all arranged on the main control board. Each delay unit circuit is connected to one of the drive unit circuits 41. The interactive interface 31 is used to receive signals from the communication switch 8 and send the signals to the delay unit circuit. The delay unit circuit is used to send a delay signal to the drive unit circuit 41. The ultrasonic feedback receiving circuit is used to receive the working status signal of the ultrasonic transducer unit 5. Specifically, the working status signal includes whether the ultrasonic transducer unit 5 is working normally, the working current size, and the working voltage.

[0053] Furthermore, a host computer interface 14, a power source interface 15 and a mains power interface 16 are provided on the outer wall of the shell 1, one end of the host computer interface 14 is connected to the communication switch 8, and the other end is used to connect to the host computer, one end of the power source interface 15 is connected to the ultrasonic output voltage control module 9, and the other end is used to connect to the adjustable high-power AC-DC power supply, one end of the mains power interface 16 is connected to the auxiliary power supply 10, and the other end is used to connect to the mains.

[0054] Furthermore, the phased array focused ultrasound generating device includes a relay 6, an indicator light 17, an emergency stop button 18, a start button 19, and a stop button 13. The relay 6 is disposed in the accommodating cavity, and the auxiliary power supply 10 is connected to the mains power through the relay 6. The indicator light 17, the emergency stop button 18, the start button 19, and the stop button 13 are all disposed on the outer wall of the housing 1. The indicator light 17, the emergency stop button 18, the start button 19, and the stop button 13 are all electrically connected to the relay 6. Specifically, there are three indicator lights 17, one for indicating standby, one for indicating fault, and one for indicating operation.

[0055] Furthermore, the drive unit circuit 41 includes an isolation circuit, a feedback collection circuit, a power amplifier circuit, a filter circuit, and a drive buffer circuit. The isolation circuit is used to transmit the delay control signal calculated by the ultrasonic signal generating module 3 to the drive buffer circuit, and the power amplifier circuit transmits it to the ultrasonic transducer unit 5 after passing through the filter circuit. The feedback collection circuit is used to collect the operating voltage and current signals of the ultrasonic transducer unit 5 in real time and transmit them to the ultrasonic signal generating module 3. Specifically, the frequency and phase of the delay control signal calculated by the ultrasonic signal generating module 3 are adjustable.

[0056] Specifically, the frequency can be adjusted in the range of 0-10MHz, and the default value is 750KHz; when adjusting the frequency, it is adjusted according to the center frequency of the selected ultrasonic transducer unit 5 or other requirements; the phase can be adjusted in the range of 0-2π, and the adjustment accuracy is 2π / 1024; the adjustable high-power AC-DC power supply can adjust the voltage amplitude output to the driving unit circuit 41, and the amplitude can be adjusted in the range of 0-1000V, and the default value is 50V.

[0057] Furthermore, a cooling fan 7 is provided on the inner bottom wall of the accommodating cavity, and the air outlet of the cooling fan 7 is directed toward the ultrasonic driving plate 4. A cooling hole 12 is provided on the side wall of the shell 1, and the cooling hole 12 is connected to the accommodating cavity and is used to discharge the hot air in the accommodating cavity to the outside of the shell 1.

[0058] Furthermore, a handle is provided on the top wall of the housing 1, and a roller is provided on the bottom wall of the housing 1, so as to facilitate the user to move the phased array focused ultrasound generating device.

[0059] Furthermore, the ultrasonic signal generating module 3 is also provided with a synchronous input interface and a synchronous output interface; the synchronous input interface is used to connect with an external device to control the signal output of the ultrasonic signal generating module 3; the synchronous output interface is used to connect with an external device to feed back the signal output of the ultrasonic signal generating module 3.

[0060] Furthermore, the ultrasonic signal generating module 3 is an FPGA logic control board, an ASIC logic control board or a discrete component logic circuit board.

[0061] Furthermore, the ultrasonic signal generating module 3 is provided with 36 plug interfaces 32, which are arranged in 3 rows and 12 columns and can be used to install 36 ultrasonic driving boards 4; wherein each ultrasonic driving board 4 includes 8 to 16 driving unit circuits 41, and each driving unit circuit 41 is connected to one ultrasonic transducer unit 5.

[0062] In a specific embodiment, see Figure 4-Figure 7 The ultrasonic signal generating module 3 is provided with 36 plug interfaces 32, which are arranged in 3 rows and 12 columns and can be used to install 36 ultrasonic driving boards 4, wherein each ultrasonic driving board 4 includes 8 driving unit circuits 41, and each driving unit circuit 41 is connected to an ultrasonic transducer unit 5, realizing one-to-one control, that is, a maximum of 288 ultrasonic transducer units 5 can be connected. The user can select the number of ultrasonic driving boards 4 to be installed according to the number of ultrasonic transducer units 5 required to meet different treatment needs.

[0063] In another specific embodiment, see Figure 6 、 Figure 9 The ultrasonic signal generating module 3 is provided with 36 plug interfaces 32, which are arranged in 3 rows and 12 columns and can be used to install 36 ultrasonic driving boards 4, wherein each ultrasonic driving board 4 includes 10 driving unit circuits 41, and each driving unit circuit 41 is connected to an ultrasonic transducer unit 5, realizing one-to-one control, that is, a maximum of 360 ultrasonic transducer units 5 can be connected. The user can select the number of ultrasonic driving boards 4 to be installed according to the number of ultrasonic transducer units 5 required to meet different treatment needs.

[0064] In another specific embodiment, the ultrasonic signal generating module 3 is provided with 36 plug interfaces 32, which are arranged in 3 rows and 12 columns and can be used to install 36 ultrasonic driving boards 4, wherein each ultrasonic driving board 4 includes 16 driving unit circuits 41, and each driving unit circuit 41 is connected to an ultrasonic transducer unit 5 to achieve one-to-one control, that is, a maximum of 576 ultrasonic transducer units 5 can be connected. The user can select the number of ultrasonic driving boards 4 to be installed according to the number of ultrasonic transducer units 5 required to meet different treatment needs.

[0065] Furthermore, the ultrasonic signal generating module is provided with 64 said plug interfaces 32, which are arranged in 4 rows and 16 columns and can be used to install 64 said ultrasonic driving boards 4; wherein each said ultrasonic driving board 4 includes 8 to 16 said driving unit circuits 41, and each said driving unit circuit 41 is connected to one said ultrasonic transducer unit 5.

[0066] In a specific embodiment, see Figure 7 、 Figure 8 The ultrasonic signal generating module 3 is provided with 64 plug interfaces 32, which are arranged in 4 rows and 16 columns and can be used to install 64 ultrasonic driving boards 4, wherein each ultrasonic driving board 4 includes 8 driving unit circuits 41, and each driving unit circuit 41 is connected to an ultrasonic transducer unit 5, realizing one-to-one control, that is, a maximum of 512 ultrasonic transducer units 5 can be connected. The user can select the number of ultrasonic driving boards 4 to be installed according to the number of ultrasonic transducer units 5 required to meet different treatment needs.

[0067] In another specific embodiment, see Figure 8 、 Figure 9The ultrasonic signal generating module 3 is provided with 64 plug interfaces 32, which are arranged in 4 rows and 16 columns and can be used to install 64 ultrasonic driving boards 4, wherein each ultrasonic driving board 4 includes 10 driving unit circuits 41, and each driving unit circuit 41 is connected to an ultrasonic transducer unit 5, realizing one-to-one control, that is, a maximum of 640 ultrasonic transducer units 5 can be connected. The user can select the number of ultrasonic driving boards 4 to be installed according to the number of ultrasonic transducer units 5 required to meet different needs.

[0068] In another specific embodiment, the ultrasonic signal generating module 3 is provided with 64 plug interfaces 32, which are arranged in 4 rows and 16 columns and can be used to install 64 ultrasonic driving boards 4, wherein each ultrasonic driving board 4 includes 16 driving unit circuits 41, and each driving unit circuit 41 is connected to an ultrasonic transducer unit 5 to achieve one-to-one control, that is, a maximum of 1024 ultrasonic transducer units 5 can be connected. The user can select the number of ultrasonic driving boards 4 to be installed according to the number of ultrasonic transducer units 5 required to meet different needs.

[0069] During the control process, this solution has high synchronization accuracy between signal channels, controls a large number of ultrasonic transducer units, supports adjustment of the driving waveform frequency, phase, and amplitude of a single ultrasonic transducer unit 5, and supports channel expansion, which can drive a larger number of transducer units. The array can also be organized into a planar array, a curved array, or other shapes to meet different needs.

[0070] See also Figure 10 The present invention also discloses an ultrasonic transducer system, comprising a host computer, an ultrasonic transducer array composed of a plurality of ultrasonic transducer units 5, and the phased array focused ultrasonic generator as described above; the ultrasonic transducer array forms a control space, and the host computer controls the ultrasonic transducer array through the phased array focused ultrasonic generator to generate the required ultrasonic wave shape and energy at the target focus.

[0071] The above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model.

Claims

1. A phased array focused ultrasound generator, characterized in that: It includes a shell, a bracket assembly, an ultrasonic signal generating module and at least one ultrasonic driving board. A accommodating cavity is formed in the shell. The ultrasonic signal generating module is arranged on the rear side wall of the accommodating cavity. The bracket assembly is fixedly connected to the accommodating cavity. The bracket assembly includes a plurality of front and rear slide grooves. The ultrasonic signal generating module is provided with a plurality of plug interfaces. The slide grooves are arranged corresponding to the plug interfaces. The ultrasonic driving board is slidably arranged on the slide grooves and plugged into the plug interfaces.

2. The phased array focused ultrasound generator according to claim 1, characterized in that: The bracket assembly includes two first brackets and at least one second bracket, the two first brackets and at least one second bracket are connected to the side walls of the accommodating cavity and are arranged in an upper and lower arrangement, wherein the two first brackets are respectively located at the upper and lower ends, and the second bracket is located between the two first brackets, and the multiple slide grooves are respectively arranged on a side wall of the first bracket facing the second bracket and on the upper and lower side walls of the second bracket, and the upper and lower ends of the ultrasonic driving plate are respectively slidably set on two oppositely arranged slide grooves.

3. The phased array focused ultrasound generator according to claim 2, characterized in that: The bracket assembly includes a left support member and a right support member, the left support member is arranged on the left side wall of the accommodating cavity, and the right support member is arranged on the right side wall of the accommodating cavity, and the left and right ends of the two first brackets and at least one second bracket are respectively connected to the left support member and the right support member.

4. The phased array focused ultrasound generator according to any one of claims 1 to 3, characterized in that: The phased array focused ultrasonic generating device includes a plurality of ultrasonic driving plates, each of which is plugged into one of the plug interfaces, and two adjacent ultrasonic driving plates are parallel to each other.

5. The phased array focused ultrasound generator according to claim 4, characterized in that: The phased array focused ultrasonic generating device includes connecting wires for connecting to a plurality of ultrasonic transducer units, each of the ultrasonic driving boards includes a plurality of driving unit circuits, the ultrasonic transducer units are located outside the shell, and the plurality of connecting wires all pass through the shell, one end of each connecting wire is connected to a driving unit circuit, and the other end is connected to a ultrasonic transducer unit.

6. The phased array focused ultrasound generator according to claim 5, characterized in that: The housing is provided with a first through hole, the first through hole is communicated with the accommodating cavity, and the plurality of connecting wires all pass through the first through hole.

7. The phased array focused ultrasound generator according to claim 5, characterized in that: The ultrasonic signal generating module is provided with 36 said plug interfaces, which are arranged in 3 rows and 12 columns and can be used to install 36 said ultrasonic driving boards; wherein each said ultrasonic driving board includes 8 to 16 said driving unit circuits, and each said driving unit circuit is connected to one said ultrasonic transducer unit.

8. The phased array focused ultrasound generator according to claim 5, characterized in that: The ultrasonic signal generating module is provided with 64 said plug interfaces, which are arranged in 4 rows and 16 columns and can be used to install 64 said ultrasonic driving boards; wherein each said ultrasonic driving board includes 8 to 16 said driving unit circuits, and each said driving unit circuit is connected to one said ultrasonic transducer unit.

9. The phased array focused ultrasound generator according to claim 5, characterized in that: The phased array focused ultrasound generating device includes a communication switch, an ultrasonic output voltage control module, an adjustable high-power AC-DC power supply and an auxiliary power supply. The communication switch, the ultrasonic output voltage control module and the auxiliary power supply are all arranged in the accommodating cavity. The communication switch is used to connect to the host computer to receive and feedback signals. The ultrasonic output voltage control module is used to receive the voltage and protection current setting of the host computer through the communication switch and feed back the signal to the adjustable high-power AC-DC power supply. The adjustable high-power AC-DC power supply is used to power the ultrasonic drive board to drive the ultrasonic transducer unit; the auxiliary power supply is used to power the communication switch, the ultrasonic output voltage control module, the ultrasonic signal generating module and the ultrasonic drive board; the adjustable high-power AC-DC power supply and the auxiliary power supply are both connected to the mains.

10. The phased array focused ultrasound generator according to claim 9, characterized in that: The ultrasonic signal generating module includes a main control board, an ultrasonic feedback receiving circuit, an interactive interface and several delay unit circuits. The ultrasonic feedback receiving circuit, the interactive interface and the several delay unit circuits are all arranged on the main control board. Each of the delay unit circuits is connected to a driving unit circuit. The interactive interface is used to receive the signal from the communication switch and send the signal to the delay unit circuit. The delay unit circuit is used to send a delay signal to the driving unit circuit. The ultrasonic feedback receiving circuit is used to receive the working status signal of the ultrasonic transducer unit.

11. The phased array focused ultrasound generator according to claim 9, characterized in that: A host computer interface, a power source interface and a mains power interface are provided on the outer wall of the shell. One end of the host computer interface is connected to the communication switch, and the other end is used to connect to the host computer. One end of the power source interface is connected to the ultrasonic output voltage control module, and the other end is used to connect to the adjustable high-power AC-DC power supply. One end of the mains power interface is connected to the auxiliary power supply, and the other end is used to connect to the mains.

12. The phased array focused ultrasound generator according to claim 9, characterized in that: The phased array focused ultrasound generating device includes a relay, an indicator light, an emergency stop button, a start button, and a stop button. The relay is arranged in the accommodating cavity, and the auxiliary power supply is connected to the mains through the relay. The indicator light, the emergency stop button, the start button, and the stop button are all arranged on the outer wall of the shell, and the indicator light, the emergency stop button, the start button, and the stop button are all electrically connected to the relay.

13. The phased array focused ultrasound generator according to claim 9, characterized in that: The driving unit circuit includes an isolation circuit, a feedback acquisition circuit, a power amplifier circuit, a filtering circuit and a driving buffer circuit. The isolation circuit is used to transmit the delay control signal calculated by the ultrasonic signal generating module to the driving buffer circuit and the power amplifier circuit for transmitting it to the ultrasonic transducer unit after passing through the filtering circuit. The feedback acquisition circuit is used to collect the working voltage and current signals of the ultrasonic transducer unit in real time for transmission to the ultrasonic signal generating module.

14. The phased array focused ultrasound generator according to claim 13, characterized in that: The frequency and phase of the delay control signal calculated by the ultrasonic signal generating module are adjustable, the frequency adjustable range is 0-10MHz, and the default value is 750KHz; the phase adjustable range is 0-2π, and the adjustment accuracy is 2π / 1024; the adjustable high-power AC-DC power supply can adjust the voltage amplitude output to the drive unit circuit, the amplitude adjustable range is 0-1000V, and the default value is 50V.

15. The phased array focused ultrasound generator according to claim 1, characterized in that: A cooling fan is provided on the inner bottom wall of the accommodating cavity, and the air outlet of the cooling fan is directed toward the ultrasonic driving plate. A cooling hole is provided on the side wall of the shell, and the cooling hole is connected to the accommodating cavity and is used to discharge the hot air in the accommodating cavity to the outside of the shell.

16. The phased array focused ultrasound generator according to claim 1, characterized in that: A handle is provided on the top wall of the shell, and a roller is provided on the bottom wall of the shell.

17. The phased array focused ultrasound generator according to claim 1, characterized in that: The ultrasonic signal generating module is also provided with a synchronous input interface and a synchronous output interface; the synchronous input interface is used to connect to an external device to control the signal output of the ultrasonic signal generating module; the synchronous output interface is used to connect to an external device to feed back the signal output of the ultrasonic signal generating module.

18. The phased array focused ultrasound generator according to claim 1, characterized in that: The ultrasonic signal generating module is an FPGA logic control board, an ASIC logic control board or a discrete component logic circuit board.

19. An ultrasonic transducer system, characterized in that: The invention comprises a host computer, an ultrasonic transducer array composed of a plurality of ultrasonic transducer units, and a phased array focused ultrasonic generator according to any one of claims 1 to 18; the ultrasonic transducer array forms a control space, and the host computer controls the ultrasonic transducer array through the phased array focused ultrasonic generator to generate the desired ultrasonic waveform and energy at a target focus.

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