CN114259279B - Therapeutic device capable of generating shock wave or ultrasonic wave - Google Patents
Therapeutic device capable of generating shock wave or ultrasonic wave Download PDFInfo
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- CN114259279B CN114259279B CN202111579971.2A CN202111579971A CN114259279B CN 114259279 B CN114259279 B CN 114259279B CN 202111579971 A CN202111579971 A CN 202111579971A CN 114259279 B CN114259279 B CN 114259279B
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Abstract
A therapeutic device capable of generating shock waves or ultrasound waves, comprising: the ultrasonic therapeutic device comprises a controller, an integral piezoelectric transducer therapeutic head, an ultrasonic image diagnostic instrument, an ultrasonic power source system, a high-frequency high-voltage pulse system, a positioning motion system and an acoustic wave driving switch. The therapy head of the same-body piezoelectric transducer comprises a therapy pot body, an ultrasonic image probe, a water sac cover and a plurality of assembly bodies of the same-body piezoelectric transducer. The integral piezoelectric transducer assembly comprises a first ceramic disc and a second ceramic disc which are attached to each other, wherein the thickness of the first ceramic disc is smaller than that of the second ceramic disc. The first ceramic disk is used for generating ultrasonic waves, and the second ceramic disk is used for generating shock waves. For the patient who both needs shock wave treatment, needs ultrasonic therapy again, after adopting the treatment device of this application, need not change different piezoelectric transducer in the treatment, also need not change different treatment device for the procedure of treatment is more convenient, high-efficient.
Description
Technical Field
The application relates to the technical field of piezoelectric transducer treatment devices, in particular to a treatment device capable of generating shock waves or ultrasonic waves.
Background
The known piezoelectric Extracorporeal Shock Wave (ESWL) technology is to provide a single high-voltage pulse to a piezoelectric shock wave transducer to generate shock waves, and can be used for treating urinary calculus, skeletal muscle disease rehabilitation, vascular calcification, ED diseases and the like.
Piezoelectric High Intensity Focused Ultrasound (HIFU) therapy techniques are known in which ultrasonic waves are generated by supplying a continuous high frequency alternating current signal to a piezoelectric ultrasonic transducer, and are used for treating uterine fibroids and rehabilitation of skeletal muscle soft tissue diseases, etc. by focusing.
The shock wave characteristic has stress effect and cavitation effect, and the ultrasonic wave characteristic has molecular thermal effect and cavitation effect. The two devices can not generate corresponding sound wave characteristics in the same device, but both the shock wave and the ultrasonic wave have water acoustic characteristics, and energy is transmitted through water as a medium. The piezoelectric shock wave transducer generates shock waves (less than or equal to 1 us) through single high-voltage pulse (5-10 KV, less than or equal to 1 ms), and the piezoelectric ultrasonic transducer generates ultrasonic waves (0.5-2 MHz) through continuous high-frequency alternating current signals (0.5-2 MHz). The known piezoelectric shock wave transducer is not compatible with the piezoelectric ultrasonic transducer, and cannot generate shock waves or ultrasonic waves on the same piezoelectric transducer, and a treatment device capable of controlling the same piezoelectric transducer to generate the shock waves or the ultrasonic waves is not available.
When the same patient is treated, not only shock wave treatment but also ultrasonic treatment is needed, different piezoelectric transducers or devices containing different piezoelectric transducers are needed to be adopted independently, so that the operation of the instrument is complicated and the treatment is inefficient, and therefore, research on the piezoelectric transducers and the corresponding treatment devices which can be compatible with ultrasonic waves and shock waves is needed.
Disclosure of Invention
The application provides a therapeutic device capable of generating shock waves or ultrasonic waves, and mainly aims to provide a homobody piezoelectric transducer which can be compatible with the shock waves and the ultrasonic waves and a therapeutic device capable of controlling the homobody piezoelectric transducer to generate the shock waves or the ultrasonic waves.
In one embodiment, a therapeutic device capable of generating shock waves or ultrasound waves is provided, comprising: the ultrasonic therapeutic device comprises a controller, an integral piezoelectric transducer therapeutic head, an ultrasonic image diagnostic instrument, an ultrasonic power source system, a high-frequency high-voltage pulse system, a positioning motion system and an acoustic wave driving switch;
the therapy head of the same-body piezoelectric transducer comprises a therapy pot body, an ultrasonic image probe, a water sac cover and a plurality of assembly bodies of the same-body piezoelectric transducer; the same-body piezoelectric transducer assembly comprises a same-body piezoelectric transducer, wherein the same-body piezoelectric transducer comprises a first ceramic disc and a second ceramic disc which are attached to each other, and the thickness of the first ceramic disc is smaller than that of the second ceramic disc; the first ceramic disc is used for generating ultrasonic waves, the second ceramic disc is used for generating shock waves, and the first ceramic disc, the second ceramic disc and the pot surface of the treatment pot body provided with the integrated piezoelectric transducer assembly have the same sphere center;
the controller is respectively connected with the ultrasonic image diagnostic instrument, the ultrasonic power source system, the high-frequency high-voltage pulse system and the positioning motion system; the therapy head of the same-body piezoelectric transducer is respectively connected with the ultrasonic image diagnostic instrument, the positioning motion system and the sound wave driving switch; the sound wave driving switch is respectively connected with the therapy head of the same-body piezoelectric transducer, the ultrasonic power source system and the high-frequency high-voltage pulse system;
the ultrasonic image diagnostic apparatus is used for acquiring focus point information of internal tissues of a human body and sending the focus point information to the controller; the controller is used for sending the received focus point information to the positioning motion system and starting the positioning motion system; the positioning motion system is used for moving the focus point to the central axis of the ultrasonic image, enabling the distance between the focus point and the surface of the ultrasonic image probe to be equal to the distance between the surface of the ultrasonic image probe and the treatment focus point so as to enable the treatment focus point to coincide with the focus point, and sending information of the coincidence of the treatment focus point and the focus point to the controller;
the controller is also used for judging whether to treat by ultrasonic waves or shock waves according to the focus point information and the information sent by the positioning motion system; when the shock wave is adopted for treatment, the controller starts the high-frequency high-voltage pulse system, and the high-frequency high-voltage pulse system is used for closing a shock wave switch on the sound wave drive switch and sending an electric signal to the second ceramic disc so that the therapy head of the same-body piezoelectric transducer emits the shock wave; when the ultrasonic waves are adopted for treatment, the controller starts the ultrasonic power source system, and the ultrasonic power source system is used for closing an ultrasonic switch on the sound wave drive switch and sending an electric signal to the first ceramic disc so that the homobody piezoelectric transducer is used for treating the hair of the ultrasonic waves; the treatment focus coincides with the sphere center.
An embodiment is characterized in that the focal point information includes the focal point confirmed by the ultrasonic image diagnostic apparatus, measured sound field coordinate data of the focal point, and a distance between the focal point and the ultrasonic image probe surface.
In one embodiment, the device further comprises a water treatment system, wherein the water treatment system is respectively connected with the controller and the therapy head of the same-body piezoelectric transducer, the controller is used for starting the water treatment system, and the water treatment system is used for injecting water into the water bag cover.
In one embodiment, the material of the first ceramic disk and the second ceramic disk is PZT8 ceramic; the thickness of the first ceramic disc is h1, h1 is more than or equal to 2.1mm and less than or equal to 4.2mm, and the thickness of the second ceramic disc is h2, h2 is more than or equal to 4.2mm and less than or equal to 8.3mm.
In one embodiment, the ultrasonic image probe is fixed at the central point of the treatment pot body, and a plurality of the same-body piezoelectric transducer assemblies are uniformly distributed on the treatment pot body at equal intervals around the central point; the water bag cover covers the treatment pot body, and the water bag cover and the treatment pot body form a space for filling liquid.
In one embodiment, a surface of the first ceramic disc, which is close to the water sac cover, is a first positive polarization surface, and a surface of the first ceramic disc, which is far away from the water sac cover, is a first negative polarization surface; the surface of the second ceramic disc, which is close to the water bag cover, is a second positive polarization surface, the surface of the second ceramic disc, which is far away from the water bag cover, is a second negative polarization surface, and the first negative polarization surface and the second positive polarization surface are attached;
a first electrode wire is fixed on the first positive polarization surface, a second electrode wire is fixed between the first negative polarization surface and the second positive polarization surface, and a third electrode wire is fixed on the second negative polarization surface; the first electrode wire and the second electrode wire are used for receiving an electric signal of ultrasonic waves to generate the ultrasonic waves on the first ceramic disk; the second electrode wire and the third electrode wire are used for receiving an electric signal of the shock wave to generate the shock wave on the second ceramic disk; the first positive polarization plane is used for transmitting the shock wave or the ultrasonic wave.
In one embodiment, silver plating layers are disposed between the first positive polarization surface, the second negative polarization surface, and the first negative polarization surface and the second positive polarization surface.
In one embodiment, the monolithic piezoelectric transducer assembly further comprises a transducer mount, the transducer mount is fixed to the treatment pan body, and the monolithic piezoelectric transducer is fixed to the transducer mount.
In one embodiment, the transducer mount comprises a disk mount for securing the monolithic piezoelectric transducer and a post for extracting electrode wires.
In one embodiment, an insulating spacer is disposed between the second negative polarization surface and the disc seat, and an elastic buffer is disposed between the second negative polarization surface and the insulating spacer.
According to the therapeutic apparatus capable of generating shock waves or ultrasonic waves in the above-described embodiments, the first ceramic disc in the monolithic piezoelectric transducer is used for generating ultrasonic waves, and the second ceramic disc is used for generating shock waves, so that the monolithic piezoelectric transducer can be compatible with shock waves and ultrasonic waves. The therapeutic device can identify focus points of patients and perform shock wave or ultrasonic therapy by the connection and the matching of a controller, an integral piezoelectric transducer therapeutic head, an ultrasonic diagnosis therapeutic instrument, an ultrasonic power source system, a high-frequency high-voltage pulse system, a positioning motion system and an acoustic wave driving switch. For the patient who needs not only shock wave treatment but also ultrasonic treatment, the different piezoelectric transducers and the different treatment devices do not need to be replaced in the treatment, so that the procedure of the treatment process is more convenient and efficient. By adopting the therapeutic device, the switch 8 can be driven by sound waves to rapidly switch between shock waves and ultrasonic waves, so that shock wave therapy or ultrasonic therapy is realized.
Drawings
FIG. 1 is a schematic perspective view of a therapeutic apparatus capable of generating shock waves or ultrasonic waves according to one embodiment of the present application;
FIG. 2 is a schematic diagram of the connection relationship of a therapeutic device capable of generating shock waves or ultrasonic waves according to one embodiment of the present application;
FIG. 3 is a schematic diagram of an exploded view of a therapy head of a monolithic piezoelectric transducer according to one embodiment of the present application;
FIG. 4 is a schematic perspective view of a therapy head of a monolithic piezoelectric transducer according to an embodiment of the present application;
FIG. 5 is a schematic cross-sectional view of a therapy head of a monolithic piezoelectric transducer according to an embodiment of the present application;
FIG. 6 is a schematic view of a therapeutic pan according to an embodiment of the present application;
FIG. 7 is a schematic perspective view of an assembly of a monolithic piezoelectric transducer according to an embodiment of the present application;
FIG. 8 is a schematic cross-sectional view of a monolithic piezoelectric transducer assembly according to one embodiment of the present application;
FIG. 9 is a schematic diagram of an exploded view of a monolithic piezoelectric transducer assembly according to one embodiment of the present application;
FIG. 10 is a schematic diagram of a three-dimensional structure of a monolithic piezoelectric transducer according to an embodiment of the present application;
FIG. 11 is a schematic diagram of an explosion structure of a monolithic piezoelectric transducer according to an embodiment of the present application;
FIG. 12 is a schematic diagram of a therapeutic apparatus capable of generating shock waves or ultrasound waves according to an embodiment of the present application.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings by way of specific embodiments. Wherein like elements in different embodiments are numbered alike in association. In the following embodiments, numerous specific details are set forth in order to provide a better understanding of the present application. However, one skilled in the art will readily recognize that some of the features may be omitted, or replaced by other elements, materials, or methods in different situations. In some instances, some operations associated with the present application have not been shown or described in the specification to avoid obscuring the core portions of the present application, and may not be necessary for a person skilled in the art to describe in detail the relevant operations based on the description herein and the general knowledge of one skilled in the art.
Furthermore, the described features, operations, or characteristics of the description may be combined in any suitable manner in various embodiments. Also, various steps or acts in the method descriptions may be interchanged or modified in a manner apparent to those of ordinary skill in the art. Thus, the various orders in the description and drawings are for clarity of description of only certain embodiments, and are not meant to be required orders unless otherwise indicated.
The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated.
As shown in fig. 1-10, a therapeutic device capable of generating shock waves or ultrasound waves, comprising: the ultrasonic therapeutic equipment comprises a controller 1, an integral piezoelectric transducer therapeutic head 2, an ultrasonic image diagnostic apparatus 4, an ultrasonic power source system 5, a high-frequency high-voltage pulse system 6, a positioning motion system 7 and an acoustic wave driving switch 8.
The therapy head 2 of the same-body piezoelectric transducer comprises a therapy pot body 21, an ultrasonic imaging probe 23, a water sac cover 24 and a plurality of assembly bodies 22 of the same-body piezoelectric transducer. The monolithic piezoelectric transducer assembly 22 includes a monolithic piezoelectric transducer including a first ceramic disk 222 and a second ceramic disk 223 bonded together, the first ceramic disk 222 having a thickness less than the thickness of the second ceramic disk 223. The first ceramic disk 222 is used for generating ultrasonic waves, the second ceramic disk 223 is used for generating shock waves, and the first ceramic disk 222, the second ceramic disk 223 and the pan surface 211 of the treatment pan body 21 on which the monolithic piezoelectric transducer assembly 22 is mounted have the same center of sphere.
As shown in fig. 2, the controller 1 is respectively connected with an ultrasonic image diagnostic apparatus 4, an ultrasonic power source system 5, a high-frequency high-voltage pulse system 6 and a positioning motion system 7. The therapy head 2 of the same-body piezoelectric transducer is respectively connected with an ultrasonic image diagnostic instrument 4, a positioning motion system 7 and an acoustic wave driving switch 8. The sound wave driving switch 8 is respectively connected with the therapy head 2 of the homobody piezoelectric transducer, the ultrasonic power source system 5 and the high-frequency high-voltage pulse system 6.
The ultrasonic image diagnostic apparatus 4 is used for acquiring focus point information of internal tissues of a human body and transmitting the focus point information to the controller 1. The controller 1 is configured to send the received focal point information to the positioning motion system 7 and activate the positioning motion system 7. The positioning motion system 7 is used for moving the focus point to the central axis of the ultrasonic image, and making the distance between the focus point and the surface of the ultrasonic image probe 23 equal to the distance between the surface of the ultrasonic image probe 23 and the treatment focus point, so that the treatment focus point and the focus point coincide, and the positioning motion system 7 is also used for sending the information of the coincidence of the treatment focus point and the focus point to the controller 1.
The controller 1 is also used for judging whether to treat by ultrasonic waves or shock waves according to the focus point information and the information sent by the positioning motion system 7. When the shock wave is used for treatment, the controller 1 starts the high-frequency high-voltage pulse system 6, and the high-frequency high-voltage pulse system 6 is used for closing the shock wave switch on the sound wave driving switch 8 and sending an electric signal to the second ceramic disc 223 so that the therapy head 2 of the same-body piezoelectric transducer emits the shock wave. When the ultrasonic wave is used for treatment, the controller 1 starts the ultrasonic power source system 5, and the ultrasonic power source system 5 is used for closing the ultrasonic switch on the acoustic wave driving switch 8 and sending an electric signal to the first ceramic disc 222 so that the same-body piezoelectric transducer treatment head 2 emits the ultrasonic wave. Wherein the therapeutic focus coincides with the center of sphere.
With the therapeutic apparatus capable of generating shock waves or ultrasonic waves (simply referred to as therapeutic apparatus) in the above-described embodiment, the first ceramic disk 222 in the monolithic piezoelectric transducer is used to generate ultrasonic waves and the second ceramic disk 223 is used to generate shock waves, so that the monolithic piezoelectric transducer can be compatible with shock waves and ultrasonic waves. The treatment device can identify focus points of a patient and perform shock wave or ultrasonic treatment through connection and matching of the controller 1, the homobody piezoelectric transducer treatment head 2, an ultrasonic diagnosis treatment instrument, an ultrasonic power source system 5, a high-frequency high-voltage pulse system 6, a positioning motion system 7 and an acoustic wave driving switch 8. For the patient who needs not only shock wave treatment but also ultrasonic treatment, the different piezoelectric transducers and the different treatment devices do not need to be replaced in the treatment, so that the procedure of the treatment process is more convenient and efficient. By adopting the therapeutic device, the switch 8 can be driven by sound waves to rapidly switch between shock waves and ultrasonic waves, so that shock wave therapy or ultrasonic therapy is realized.
The first ceramic disk 222, the second ceramic disk 223 and the pan surface 211 of the treatment pan body 21 provided with the same-body piezoelectric transducer assembly 22 have the same sphere center, so that the energy generated by the multiple same-body piezoelectric transducer assemblies 22 is concentrated to the treatment focus to perform the treatment function.
Specifically, the water bag cover 24 is made of silica gel, and the water bag cover 24 made of silica gel is used as an application part to be in contact with a human body. The focus point information includes the focus point confirmed by the ultrasonic image diagnostic apparatus 4, the sound field coordinate data of the measured focus point, and the distance between the focus point and the surface of the ultrasonic image probe 23. The number of the same-body piezoelectric transducer assemblies 22 is set according to the requirement, and the more the number of the same-body piezoelectric transducer assemblies 22 on the treatment pan body 21 is, the smaller the energy flow density is, the higher the energy reaching the treatment focus is, and preferably, more than 8 same-body piezoelectric transducer assemblies 22 are arranged.
Wherein, the operating frequency of the high-frequency high-voltage pulse system 6 is 100KHZ, and the high-voltage range is: 5-15KV, and capacitor energy storage: 2.5-25J. The polarization voltage of the first ceramic plate 222 is 0-18KV and the polarization voltage of the second ceramic plate 223 is 0-25KV.
In one embodiment, the device further comprises a water treatment system 3, wherein the water treatment system 3 is respectively connected with the controller 1 and the integral piezoelectric transducer treatment head 2, the controller 1 is used for starting the water treatment system 3, and the water treatment system 3 is used for injecting water into the water sac cover 24. By arranging the water treatment system 3 on the treatment device, the controller 1 starts the water treatment system 3, so that continuous operation can be conveniently carried out on one treatment device, the functions of the treatment device are perfected, and the work efficiency of the treatment device is improved.
In one embodiment, an ultrasonic imaging probe 23 is fixed at the center of the treatment pan 21, and a plurality of in-body piezoelectric transducer assemblies 22 are uniformly distributed on the treatment pan 21 at equal intervals around the center. The water sac cover 24 covers the treatment pan body 21, and the water sac cover 24 and the treatment pan body 21 form a space for filling liquid.
As shown in fig. 11, the first ceramic disk 222 has a first positive polarization surface 2221 on the surface close to the water bladder cover 24 and a first negative polarization surface 2222 on the surface far from the water bladder cover 24. The surface of the second ceramic disk 223 close to the water pocket cover 24 is a second positive polarization surface 2231, the surface far away from the water pocket cover 24 is a second negative polarization surface 2232, and the first negative polarization surface 2222 and the second positive polarization surface 2231 are attached.
A first electrode wire is fixed to the first positive polarization surface 2221, a second electrode wire is fixed between the first negative polarization surface 2222 and the second positive polarization surface 2231, and a third electrode wire is fixed to the second negative polarization surface 2232. The first electrode wire and the second electrode wire are for receiving an electrical signal of the ultrasonic wave to generate the ultrasonic wave on the first ceramic disk 222. The second electrode wire and the third electrode wire are used to receive the electric signal of the shock wave to generate the shock wave on the second ceramic disk 223. The first positive polarization plane 2221 is used to emit shock waves or ultrasonic waves.
Wherein, the first positive polarization surface 2221, the first negative polarization surface 2222, the second positive polarization surface 2231 and the second negative polarization surface 2232 are parallel to each other and all present arc surfaces with the same arc radius. The pan surface 211 of the treatment pan body 21, i.e. the surface near one side of the water sac cover 24, is also arc-shaped. The centers of the 4 polarized surfaces are overlapped with the centers of the balls on the pan surface 211, and the overlapped part is the treatment focus. Silver plating is provided between the first positive polarization surface 2221, the second negative polarization surface 2232, and the first negative polarization surface 2222 and the second positive polarization surface 2231. The materials of the first ceramic disk 222 and the second ceramic disk 223 are PZT8 ceramics, and the PZT8 ceramics have better effect of generating shock waves, so that the output energy of the treatment head is improved by 20-30%. The thickness of the first ceramic plate 222 is h1,2.1 mm.ltoreq.h1 < 4.2mm, and the thickness of the second ceramic plate 223 is h2,4.2 mm.ltoreq.h2 < 8.3mm. The polarization voltage of the first ceramic plate 222 is 0-18KV and the polarization voltage of the second ceramic plate 223 is 0-25KV.
The maximum polarization voltage of the first ceramic disc 222 and the second ceramic disc 223 is larger than that of the existing ceramic discs, and the combination of the thicknesses of the first ceramic disc 222 and the second ceramic disc 223 can enable the first positive polarization surface 2221 to emit shock waves or ultrasonic waves with better performance.
Specifically, ultrasonic waves can be generated through the first ceramic plate 222 and the first positive polarization surface 2221, the first negative polarization surface 2222, the first electrode line, and the second electrode line thereon, shock waves can be generated through the second ceramic plate 223 and the second positive polarization surface 2231, the second negative polarization surface 2232, the second electrode line, and the third electrode line thereon, and the shock waves or the ultrasonic waves are emitted through the first positive polarization surface 2221. The same-body piezoelectric transducer therapy head 2 adopting the same-body piezoelectric transducer can be compatible with shock waves and ultrasonic waves, the shock waves and the ultrasonic waves can be switched according to therapy requirements, and the therapy device is better, simpler and more convenient to operate and higher in therapy efficiency.
In one embodiment, the monolithic piezoelectric transducer assembly 22 further comprises a transducer mount 221, the transducer mount 221 being secured to the treatment pan body 21, the monolithic piezoelectric transducer being secured to the transducer mount 221. The transducer mount 221 includes a disc mount 2211 for securing the monolithic piezoelectric transducer and a post 2212 for extracting electrode wires.
An insulating spacer 226 is disposed between the second negatively polarized surface 2232 and the disc seat 2211, and an elastic buffer 225 is disposed between the second negatively polarized surface 2232 and the insulating spacer 226. The monolithic piezoelectric transducer assembly 22 further comprises a gland 224 mounted on the disc seat 2211, and a through hole is formed in the gland 224 opposite to the first positive polarization surface 2221.
Through setting up insulating spacer 226 to carry out insulating isolation, prevent that the phenomenon of short circuit from appearing in the other part conduction of electrode line and the body piezoelectric transducer assembly 22, the normal use of the body piezoelectric transducer assembly 22 of better assurance. The double-layer same-body piezoelectric transducer is fixed on the transducer mounting seat 221, a certain mounting pretightening force is needed, but the double-layer structure formed by the first ceramic disc 222 and the second ceramic disc 223 in a bonding mode is fragile and easy to burst, and the pretightening force on the same-body piezoelectric transducer can be elastically buffered to a certain extent by the aid of the elastic buffer piece 225, so that the same-body piezoelectric transducer is smoothly fixed on the transducer mounting seat 221. Specifically, the elastic buffer 225 selects a belleville spring. The cover 224 covers the disc seat 2211 provided with the same-body piezoelectric transducer, and further clamps the same-body piezoelectric transducer on the disc seat 2211. A sealing strip or gasket may also be provided between the gland 224 and the first positive polarization surface 2221 of the monolithic piezoelectric transducer to enhance the tightness of the space formed by the water bladder cover 24 and the treatment pan body 21.
Specifically, as shown in fig. 6, a probe mounting hole 213 is formed at the center point of the treatment pan body 21, and a probe sealing ring 25 is fixed between the probe mounting hole 213 and the ultrasonic imaging probe 23. The probe sealing ring 25 further fixes the ultrasonic image probe 23 and enhances the sealing property at the ultrasonic image probe 23. The treatment pan body 21 is provided with a plurality of transducer mounting holes 212, and the disc seat 2211 is fixed on the transducer mounting holes 212 and is matched with the transducer mounting holes 212 in a concave-convex manner. The column 2212 on the transducer mounting seat 221 is of a hollow structure, so that electrode wires (namely, a first electrode wire, a second electrode wire and a third electrode wire) are conveniently led out, and as shown in fig. 5, the column 2212 penetrates through the transducer mounting hole 212, and the transducer mounting seat 221 is fixed on the treatment pot body 21 through a locking nut. The peripheral side wall of the treatment pot body 21 is provided with a sealing groove 216, and the end part of the water sac cover 24 is fixed on the sealing groove 216 through a sealing compression ring. The sealing compression ring is matched with the sealing groove 216, so that the water bag cover 24 and the treatment pot body 21 can be fixed, and a good sealing effect can be achieved. A water inlet 214 and a water outlet 215 are arranged on the treatment pot body 21 so as to fill or change water in time.
As shown in fig. 12, a therapeutic apparatus capable of generating shock waves or ultrasonic waves is described using the principle that 8 monolithic piezoelectric transducer assemblies 22 are mounted in the monolithic piezoelectric transducer therapeutic head 2.
S1: the controller 1 is operated to inject the deaerated water in the water treatment system 3 into the integral piezoelectric transducer treatment head 2 so that the inside of the water sac cover 24 is filled, and the ultrasonic couplant is smeared on the outer surface of the water sac cover 24 for contacting with the skin of the human body.
S2: the ultrasonic image probe 23 inside the therapy head 2 of the integral piezoelectric transducer emits ultrasonic images, which sequentially pass through deaerated water, the water bag cover 24, the human skin, and enter the internal tissues of the human body.
S3: the ultrasonic image diagnostic apparatus 4 is connected with the ultrasonic image probe 23, and focal point information of tissue inside the human body is obtained through the ultrasonic image diagnostic apparatus 4, wherein the focal point information comprises focal points confirmed by the ultrasonic image diagnostic apparatus 4, sound field coordinate data of the measured focal points and the distance between the focal points and the surface of the ultrasonic image probe 23. After acquiring the focus point information, the ultrasonic image diagnostic apparatus 4 transmits the focus point information to the controller 1.
S4: the controller 1 transmits the received focal point information to the positioning motion system 7 and activates the positioning motion system 7.
S5: the positioning motion system 7 moves the focus point to the axis of the ultrasonic image according to the received focus point information, and makes the distance between the focus point and the surface of the ultrasonic image probe 23 equal to the distance between the surface of the ultrasonic image probe 23 and the treatment focus. When the distance between the focus point and the surface of the ultrasonic image probe 23 is equal to the distance between the surface of the ultrasonic image probe 23 and the treatment focus point, the treatment focus point is overlapped with the focus point, and the positioning motion system 7 sends the information of the overlapping of the treatment focus point and the focus point to the controller 1.
S6: after the controller 1 receives the information fed back by the positioning motion system 7, the controller 1 judges whether to adopt ultrasonic waves or shock waves for treatment according to the information of focus points on the controller 1.
When shock waves are used for treatment, the following operations are used:
s7: the controller 1 activates the high frequency high voltage pulse system 6.
S8: the high frequency high voltage pulse system 6 closes the shockwave switch on the sonic drive switch 8 and sends an electrical signal of shockwaves to the second ceramic disk 223 in the monolithic piezoelectric transducer treatment head 2.
S9: after the second ceramic disk 223 in the therapy head 2 of the same-body piezoelectric transducer receives the electric signal of the shock wave, the shock wave is generated, and then the shock wave is emitted through the first positive polarization surface 2221, and the shock wave sequentially passes through the deaerated water, the water sac cover 24 and the human skin and enters the internal tissue of the human body to perform shock wave therapy.
Specifically, in the case of performing the shock wave treatment, a high-voltage pulse electric signal is connected to the second electrode line and the third electrode line on the 8 monolithic piezoelectric transducer assemblies 22, and if the high-voltage pulse electric signal is 1mS, a shock wave having a pulse width of less than 1us is generated on the second ceramic disk 223, and the shock wave is emitted through the first positive polarization surface 2221. When the voltage of 5-10KV is set, the peak range of the output sound pressure of the single same-body piezoelectric transducer assembly 22 is 2-7Mpa, and the same-body piezoelectric transducer treatment head 2 generates total energy of (2-7) x 8 Mpa.
When ultrasound is used for treatment, the following procedure is used:
s10: the controller 1 activates the ultrasonic power source system 5.
S11: the ultrasonic power source system 5 closes the ultrasonic switch on the sonic drive switch 8 and sends an electrical signal of the ultrasonic waves to the first ceramic disk 222 in the monolithic piezoelectric transducer treatment head 2.
S12: after the first ceramic disk 222 in the therapy head 2 of the same-body piezoelectric transducer receives the electrical signal of the ultrasonic wave, the ultrasonic wave is generated, and then the ultrasonic wave is emitted through the first positive polarization surface 2221, and the ultrasonic wave sequentially passes through the deaerated water, the water bladder cover 24, the human skin and enters the internal tissue of the human body to perform ultrasonic therapy.
Specifically, in the case of ultrasonic treatment, high-frequency ac electric signals are connected to the first electrode lines and the second electrode lines of the 8-body piezoelectric transducer assemblies 22. If the high-frequency ac electric signal is 0.5-2MHz, the first ceramic disk 222 generates 0.5-2MHz ultrasonic wave, and emits 0.5-2MHz ultrasonic wave through the first positive polarization surface 2221, and when the voltage of 30-300V is set, the single monolithic piezoelectric transducer assembly 22 outputs sound intensity of 20-300W/cm2, and the monolithic piezoelectric transducer treatment head 2 generates (20-300) ×8W/cm2 total energy.
For patients requiring both ultrasound and shock wave therapy, the therapy may be performed sequentially, e.g., after step S6, shock wave therapy is performed in steps S7-S9, followed by ultrasound therapy in steps S10-S12.
The numbers and parameter values in the description of the principle of use of the therapeutic device are merely better descriptions of the therapeutic device, and should not be construed as limiting the application itself.
The foregoing description of specific examples has been presented only to aid in the understanding of the present application and is not intended to limit the present application. Several simple deductions, modifications or substitutions may also be made by the person skilled in the art to which the present application pertains, according to the idea of the present application.
Claims (10)
1. A therapeutic device capable of generating shock waves or ultrasound waves, comprising: the ultrasonic therapeutic device comprises a controller, an integral piezoelectric transducer therapeutic head, an ultrasonic image diagnostic instrument, an ultrasonic power source system, a high-frequency high-voltage pulse system, a positioning motion system and an acoustic wave driving switch;
the therapy head of the same-body piezoelectric transducer comprises a therapy pot body, an ultrasonic image probe, a water sac cover and a plurality of assembly bodies of the same-body piezoelectric transducer; the same-body piezoelectric transducer assembly comprises a same-body piezoelectric transducer, wherein the same-body piezoelectric transducer comprises a first ceramic disc and a second ceramic disc which are attached to each other, and the thickness of the first ceramic disc is smaller than that of the second ceramic disc; the first ceramic disc is used for generating ultrasonic waves, the second ceramic disc is used for generating shock waves, and the first ceramic disc, the second ceramic disc and the pot surface of the treatment pot body provided with the integrated piezoelectric transducer assembly have the same sphere center;
the controller is respectively connected with the ultrasonic image diagnostic instrument, the ultrasonic power source system, the high-frequency high-voltage pulse system and the positioning motion system; the therapy head of the same-body piezoelectric transducer is respectively connected with the ultrasonic image diagnostic instrument, the positioning motion system and the sound wave driving switch; the sound wave driving switch is respectively connected with the therapy head of the same-body piezoelectric transducer, the ultrasonic power source system and the high-frequency high-voltage pulse system;
the ultrasonic image diagnostic apparatus is used for acquiring focus point information of internal tissues of a human body and sending the focus point information to the controller; the controller is used for sending the received focus point information to the positioning motion system and starting the positioning motion system; the positioning motion system is used for moving the focus point to the central axis of the ultrasonic image, enabling the distance between the focus point and the surface of the ultrasonic image probe to be equal to the distance between the surface of the ultrasonic image probe and the treatment focus point so as to enable the treatment focus point to coincide with the focus point, and sending information of the coincidence of the treatment focus point and the focus point to the controller;
the controller is also used for judging whether to treat by ultrasonic waves or shock waves according to the focus point information and the information sent by the positioning motion system; when the shock wave is adopted for treatment, the controller starts the high-frequency high-voltage pulse system, and the high-frequency high-voltage pulse system is used for closing a shock wave switch on the sound wave drive switch and sending an electric signal to the second ceramic disc so that the therapy head of the same-body piezoelectric transducer emits the shock wave; when the ultrasonic waves are adopted for treatment, the controller starts the ultrasonic power source system, and the ultrasonic power source system is used for closing an ultrasonic switch on the sound wave drive switch and sending an electric signal to the first ceramic disc so that the homobody piezoelectric transducer is used for treating the hair of the ultrasonic waves; the treatment focus coincides with the sphere center.
2. The apparatus of claim 1, wherein the focal point information includes the focal point confirmed by the ultrasonic imaging diagnostic apparatus, measured sound field coordinate data of the focal point, and a distance between the focal point and the ultrasonic imaging probe surface.
3. The therapeutic apparatus of claim 1, further comprising a water treatment system, wherein the water treatment system is respectively coupled to the controller and the integral piezoelectric transducer treatment head, wherein the controller is configured to activate the water treatment system, and wherein the water treatment system is configured to inject water into the water bladder.
4. The therapeutic apparatus capable of generating shock waves or ultrasonic waves according to claim 1, wherein the materials of the first ceramic disk and the second ceramic disk are each PZT8 ceramic; the thickness of the first ceramic disc is h1, h1 is more than or equal to 2.1mm and less than or equal to 4.2mm, and the thickness of the second ceramic disc is h2, wherein h2 is more than or equal to 4.2mm and less than 8.3mm.
5. The therapeutic apparatus capable of generating shock waves or ultrasonic waves according to claim 1, wherein the ultrasonic imaging probe is fixed at a center point of the therapeutic pan body, and a plurality of the same-body piezoelectric transducer assemblies are uniformly distributed on the therapeutic pan body at equal intervals around the center point; the water bag cover covers the treatment pot body, and the water bag cover and the treatment pot body form a space for filling liquid.
6. The therapeutic apparatus capable of generating shock waves or ultrasonic waves according to claim 5, wherein a surface of the first ceramic disk close to the water bladder cover is a first positive polarization surface, and a surface of the first ceramic disk far from the water bladder cover is a first negative polarization surface; the surface of the second ceramic disc, which is close to the water bag cover, is a second positive polarization surface, the surface of the second ceramic disc, which is far away from the water bag cover, is a second negative polarization surface, and the first negative polarization surface and the second positive polarization surface are attached;
a first electrode wire is fixed on the first positive polarization surface, a second electrode wire is fixed between the first negative polarization surface and the second positive polarization surface, and a third electrode wire is fixed on the second negative polarization surface; the first electrode wire and the second electrode wire are used for receiving an electric signal of ultrasonic waves to generate the ultrasonic waves on the first ceramic disk; the second electrode wire and the third electrode wire are used for receiving an electric signal of the shock wave to generate the shock wave on the second ceramic disk; the first positive polarization plane is used for transmitting the shock wave or the ultrasonic wave.
7. The therapeutic apparatus according to claim 6, wherein silver plating is provided between the first positive polarization plane, the second negative polarization plane, and the first negative polarization plane and the second positive polarization plane.
8. The therapeutic apparatus of claim 6, wherein the monolithic piezoelectric transducer assembly further comprises a transducer mount, the transducer mount being secured to the therapeutic pan body, the monolithic piezoelectric transducer being secured to the transducer mount.
9. The therapeutic apparatus capable of generating shock waves or ultrasound waves according to claim 8, wherein the transducer mount comprises a disk mount for securing the monolithic piezoelectric transducer and a cylinder for extracting electrode wires.
10. The therapeutic apparatus according to claim 9, wherein an insulating spacer is provided between the second negatively polarized surface and the disc seat, and an elastic buffer is provided between the second negatively polarized surface and the insulating spacer.
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