CN116251305B - Ultrasonic transduction unit output power control method, apparatus and readable storage medium - Google Patents
Ultrasonic transduction unit output power control method, apparatus and readable storage medium Download PDFInfo
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- A61N2007/0008—Destruction of fat cells
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Abstract
The application discloses an ultrasonic transduction unit output power control method, equipment and a readable storage medium, wherein the method comprises the following steps: determining the current working depth of the ultrasonic transduction unit; determining target output power according to the current working depth; the ultrasonic transduction unit is controlled to output ultrasonic waves according to the target output power, so that the technical problems that energy output by the ultrasonic transduction unit in the related art is attenuated to different degrees in different depth ranges, and the effect of fat dissolution is affected are solved, the tissue at different depths is heated uniformly, and the treatment efficiency is improved are solved.
Description
Technical Field
The present application relates to the field of control of ultrasonic output units, and in particular, to a method for controlling output power of an ultrasonic transducer, an apparatus for controlling output power of an ultrasonic transducer, and a computer-readable storage medium.
Background
Focused ultrasound technology uses the principles of directionality of ultrasound, tissue penetrability, etc., to focus ultrasound waves at a target area and release a large amount of energy. Because of its accurate positioning and good penetrability, focused ultrasound technology is often used in the fields of tissue cutting, fat dissolution, etc.
In the related art, ultrasonic waves are output in a pulsed manner to precisely locate energy points at a target treatment tissue, such as a dermis layer, a subcutaneous fat layer, etc. Wherein the frequency of the pulses is fixed and the frequency of the output is unchanged during the treatment.
However, the energy output by the ultrasonic energy conversion unit can be attenuated to different degrees in different depth ranges, and the fat dissolving effect is affected.
Disclosure of Invention
The embodiment of the application solves the technical problem that the energy output by the ultrasonic transduction unit in the related art is attenuated to different degrees in different depth ranges to influence the fat dissolution effect by providing the ultrasonic transduction unit output power control method, the ultrasonic transduction unit output power control device and the computer readable storage medium, and realizes the technical effect that tissues at different depths are heated uniformly.
The embodiment of the application provides a transduction output power control method for controlling an ultrasonic treatment head, which comprises an ultrasonic transduction unit and a driving mechanism, wherein the driving mechanism drives the ultrasonic transduction unit to move in a direction far away from or close to a treatment window, and the method comprises the following steps of:
Determining the current working depth of the ultrasonic transduction unit;
determining target output power according to the current working depth;
and controlling the ultrasonic transduction unit to output ultrasonic waves according to the target output power.
Optionally, the determining the current working depth of the ultrasonic transduction unit includes:
determining displacement information of the driving mechanism according to the displacement distance of the supporting rod and/or the coding information of the motor;
determining the relative position relation between the ultrasonic transduction unit and a treatment window according to the displacement information;
and determining the current working depth according to the focusing depth of the ultrasonic transduction unit and the relative position relation.
Optionally, the determining the target output power according to the current working depth includes:
acquiring a working gear corresponding to the current working depth;
determining the corresponding relation between the depth interval and the output power according to the working gear;
and determining the target output power based on the corresponding relation according to the depth interval in which the current working depth is located.
Optionally, the determining the target output power according to the current working depth further includes:
obtaining the mapping relation between the current working depth and the output power;
And determining the target output power according to the mapping relation and the current working depth.
Optionally, the obtaining the mapping relation between the current working depth and the output power includes:
controlling the ultrasonic transduction unit to send ultrasonic waves to a target area and receiving return waves;
obtaining a mapping curve between the current working depth and the output power;
and analyzing the return wave, and correcting the mapping curve according to an analysis result to obtain the mapping relation.
Optionally, the obtaining a mapping curve between the current working depth and the output power includes:
acquiring sign information corresponding to a region to be treated and a working gear associated with the current working depth;
and determining the mapping curve according to the sign information and the working gear.
Optionally, the analyzing the return wave, correcting the mapping curve according to the analysis result to obtain the mapping relation, including:
determining an organization level corresponding to the current working depth in the mapping curve;
updating the organization level of the current working depth according to the analysis result;
and adjusting the output power corresponding to the updated current working depth, and determining the mapping relation.
Optionally, the determining, according to the working gear, a correspondence between a depth interval and the output power includes:
acquiring the corresponding relation associated with the working gear;
acquiring historical treatment data associated with a treatment item and a target area;
and updating the depth interval according to the historical treatment data to generate the updated corresponding relation.
In addition, the application also provides ultrasonic transducer output power control equipment, which comprises a memory, a processor and an ultrasonic transducer output power control program stored on the memory and capable of running on the processor, wherein the processor realizes the steps of the ultrasonic transducer output power control method when executing the ultrasonic transducer output power control program.
In addition, the application also provides a computer readable storage medium, wherein the computer readable storage medium is stored with an ultrasonic transduction unit output power control program, and the ultrasonic transduction unit output power control program realizes the steps of the ultrasonic transduction unit output power control method when being executed by a processor.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
the method and the device have the advantages that the current working depth of the ultrasonic transduction unit is determined, the target output power is determined according to the mapping relation between the current working depth and the output power, and the ultrasonic transduction unit is further controlled to output ultrasonic waves according to the target output power, so that the technical problems that energy output by the ultrasonic transduction unit in the related technology is attenuated to different degrees in different depth ranges, the fat dissolving effect is affected are effectively solved, and the technical effect that tissues at different depths are heated uniformly is achieved.
Drawings
FIG. 1 is a schematic cross-sectional view of an ultrasonic treatment head according to an embodiment of the application;
FIG. 2 is a schematic cross-sectional view of an ultrasonic treatment head according to a first embodiment of the present application;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1A;
FIG. 4 is a schematic plan view of a first transducer and a second transducer of the therapeutic ultrasound head of the present application;
FIG. 5 is a flowchart of an embodiment of a method for controlling output power of an ultrasonic transducer according to the present application;
fig. 6 is a schematic diagram of a refinement flow of step S210 in the second embodiment of the method for controlling output power of an ultrasonic transducer according to the present application;
Fig. 7 is a schematic diagram of a hardware structure involved in an embodiment of the output power control device of the ultrasonic transducer unit according to the present application.
Reference numerals illustrate:
Detailed Description
In the related art, when pulse dotting treatment is adopted, the dotting frequency is usually preset, the dotting frequency is kept unchanged in the treatment process after single setting, and the energy output by the ultrasonic transduction unit is attenuated to different degrees in different depth ranges, so that the greater the depth is, the greater the attenuation of the acoustic power is, the uneven heating at different depth positions is caused, and the treatment effect is affected. The embodiment of the application adopts the main technical scheme that: determining the current working depth of the ultrasonic transduction unit; determining target output power according to the current working depth; and controlling the ultrasonic transduction unit to output ultrasonic waves according to the target output power. Therefore, the matched output power is selected according to the current working depth, so that the different depth positions are heated uniformly, and the treatment effect is improved.
In order to better understand the above technical solution, exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.
Example 1
Referring to fig. 1, fig. 1 is a schematic cross-sectional structure of a first embodiment of an ultrasonic treatment head according to the present application, in which the ultrasonic treatment head includes: a housing 1 and an ultrasound transducer unit 2, said housing 1 forming an inner cavity 12 with a treatment window 11; the ultrasonic wave treatment device comprises a support 21, a first ultrasonic transduction unit 22 and a second ultrasonic transduction unit 23, wherein the support 21 is installed in the inner cavity 12, the first ultrasonic transduction unit 22 is installed in the support 21, the second ultrasonic transduction unit 23 is installed in the support 21 along the peripheral direction of the first ultrasonic transduction unit 22, the first ultrasonic transduction unit 22 is provided with a first emitting surface 221, the second ultrasonic transduction unit 23 is provided with a second emitting surface 231, the first emitting surface 221 and the second emitting surface 231 face towards the treatment window 11, and the first ultrasonic transduction unit 22 and the second ultrasonic transduction unit 23 are provided with the same and/or different focusing depths.
In the embodiment of the present application, the second ultrasonic transducer unit 23 is disclosed as being mounted to the bracket 21 along the circumferential direction of the first ultrasonic transducer unit 22. The structure arrangement omits a shell 16 structure for bearing the ultrasonic transduction units in the shell, achieves the effect that more ultrasonic transduction units can be arranged in the same volume of installation space, has larger space utilization rate compared with the horizontal arrangement design, and ensures that the emission surface of the ultrasonic transduction unit combination structure can emit ultrasonic energy meeting the treatment purpose under the same preset electric energy output power (consistent with the electric energy output power required by the traditional horizontal arrangement ultrasonic transduction unit combination structure). The therapeutic head has smaller volume, smaller space occupation rate and excellent structural compactness, and is convenient to be held and moved when being combined with an ultrasonic therapeutic apparatus in the prior art.
The focusing point of the emitting surface of the ultrasonic transduction unit is positioned outside the treatment window 11 and is precisely positioned on target treatment tissues such as dermis layers, subcutaneous fat layers, SMAS layers and the like so as to achieve the effects of lifting, tightening, tendering and reducing fat. As shown in fig. 2, focusing points of ultrasonic waves emitted by the emitting surfaces of the first ultrasonic transducer unit 22 and the second ultrasonic transducer unit 23 are arranged at intervals in a direction perpendicular to the therapeutic window, so that the ultrasonic transducer unit 2 has two depths (the emitting surfaces of different ultrasonic transducer units have multiple identical or different depth ranges by adjusting the output power of electric energy, the structure and the control method are not described in detail in the prior art), when the ultrasonic transducer unit 2 works, the multiple depth ranges work simultaneously, and therefore, when the novel ultrasonic therapeutic head treats subcutaneous tissues of a human body, multiple layers of subcutaneous tissues in the human body can be treated simultaneously, and the therapeutic efficiency is improved.
In an example, the bracket 21 includes a bottom plate (not shown) protruding toward a side of the treatment window 11, a first connecting portion 211 and a second connecting portion 212 are disposed on the bottom plate, the second connecting portion 212 is disposed around the periphery of the first connecting portion 211, the first ultrasonic transducer 22 is detachably connected to the first connecting portion 211, and the second ultrasonic transducer 23 is detachably connected to the second connecting portion 212.
The ultrasonic transduction unit can be detachably connected to the connecting part, such as threaded (screw) connection, or clamping connection, and the like, so that the ultrasonic transduction unit is convenient to disassemble, assemble, replace or maintain. In practical application, the first connecting portion 211 and the second connecting portion 212 respectively enclose to form a cavity, and the first ultrasonic transduction unit 22 and the second ultrasonic transduction unit 23 are adaptively installed in the cavity, and of course, a side surface of the cavity facing the treatment window 11 is an open surface so as to expose an emitting surface of the ultrasonic transduction unit.
Referring to fig. 1 to 3, a first clamping protrusion 2111 is protruding from an edge of an opening of the first connecting portion 211, which is far away from the bottom plate, and the first ultrasonic transducer 22 is disposed in the first connecting portion 211 and is clamped to the first clamping protrusion 2111 at the edge. In a further embodiment, a second clamping protrusion 2121 is protruded from an opening edge of a side of the second connection portion 212 away from the base plate, and two side edges of the second ultrasonic transducer 23 are respectively connected to the second clamping protrusion 2121 and an outer peripheral wall of the first connection portion 211.
This type of structure setting, the first connecting portion 211 and the second connecting portion 212 all enclose and close the die cavity that holds the ultrasonic transduction unit, and still protruding the setting card of perisporium at tubular structure, the edge joint of ultrasonic transduction unit is protruding at the card, effectively prevents that the ultrasonic transduction unit from breaking away from the die cavity, increases structural connection stability.
Referring to fig. 1 to 4, fig. 4 is a schematic plan view of a first ultrasonic transducer 22 and a second ultrasonic transducer 23 in an ultrasonic therapeutic head according to the present application, in which the first emitting surface 221 is concave and curved in a direction away from the therapeutic window 11; and/or, the second ultrasonic transduction unit 23 is annular, and the second emitting surface 231 is concave and curved towards the direction away from the treatment window 11.
Of course, in other embodiments, there are a plurality of second ultrasonic transducer units 23, and a plurality of second ultrasonic transducer units 23 are mounted on the support 21 at regular intervals along the circumferential direction of the first ultrasonic transducer unit 22.
The plurality of second ultrasonic transducer units 23 are uniformly arranged on the bracket 21 at intervals along the peripheral direction of the first ultrasonic transducer unit 22, and the structure is arranged, so that the space utilization rate is higher, and the emission surface of the ultrasonic transducer unit combined structure can emit ultrasonic energy meeting the treatment purpose under the same preset electric energy output power (consistent with the electric energy output power required by the existing horizontally arranged ultrasonic transducer unit combined structure).
By setting the emitting surface of the ultrasonic transduction unit 2 as a curved emitting surface, the focusing point of the ultrasonic wave emitted by the emitting surface faces the middle area of the therapeutic window 11, which is beneficial to accurately positioning the target therapeutic tissue.
In the technical scheme of the application, an input hole 13 communicated with the inner cavity 12 is formed on the outer side surface of the shell 1; the ultrasonic treatment head further comprises a driving mechanism 3, the driving mechanism 3 is arranged outside the shell 1, an output end 31 of the driving mechanism 3 penetrates through the input hole 13 to be connected to the support 21 in a penetrating mode, and the driving mechanism 3 drives the ultrasonic transduction unit 2 to move in a direction away from or close to the treatment window 11; the input hole 13 is provided with a sealing structure 131, and the sealing structure 131 is sleeved outside the output end 31.
The application has compact structure and small volume, is convenient for hand-holding use, and when the application is combined with the existing ultrasonic therapeutic apparatus, a doctor holds the handle of the therapeutic apparatus, the therapeutic surface comprising the therapeutic window 11 is stuck on the surface of the therapeutic area (the surface of the human body) and slides, so as to increase the therapeutic area, and meanwhile, the driving mechanism 3 can be controlled to drive the ultrasonic transduction unit 2 to move towards the direction close to the therapeutic window 11, namely, the ultrasonic transduction unit is vertically moved towards the direction close to the surface of the human skin, thus increasing the depth and the range of formation of the focus and improving the therapeutic effect. In practical applications, the driving mechanism 3 may be a linear screw motor connected to the bracket 21 in a driving manner, and of course, the driving mechanism includes but is not limited to the above-mentioned driving mechanism. The power output end 31 of the driving motor stretches into the inner cavity 12 to reciprocate, impurities are easy to bring into the inner cavity 12, and in order to solve the problems, a sealing structure 131 is arranged at the input hole 13 and sleeved outside the output end 31, so that the input hole 13 is sealed. The treatment depth can be obtained through feedback of an encoder of the motor, and a depth detection module can be additionally arranged for detection.
In addition, the ultrasonic transducer unit 2 has less energy loss when transmitting ultrasonic energy in a relatively closed environment or an environment filled with an ultrasonic transmission medium, so that the addition of the sealing structure 131 to the input hole 13 can reduce the ultrasonic energy loss to some extent and increase the therapeutic effect when contacting the skin surface of the human body.
In the technical solution of the present application, the sealing structure 131 is an elastic film, and the elastic film encloses a cylindrical structure with two open ends, and two ends of the cylindrical structure are respectively connected to the housing 1 and the bracket 21.
In order to achieve a good sealing effect, the sealing structure 131 is arranged along the whole movement stroke of the input end, and moves back and forth along with the input end and the support 21, and in order to prevent the sealing structure 131 from being torn by pulling, an elastic film with elasticity is selected as the sealing structure 131.
In the technical solution of the present application, the treatment window 11 is provided with an acoustically transparent structure 111, and the inner cavity 12 is filled with an ultrasonic propagation medium (not shown in the figure). In a further embodiment, the acoustically transparent structure 111 is an acoustically transparent membrane; and/or, the ultrasonic wave propagation medium is de-aerated water.
As described above, when the ultrasonic energy is propagated in the environment where the ultrasonic transducer unit 2 is filled with the ultrasonic propagation medium, the energy loss is less, the propagation capacity is stronger, and the therapeutic effect is better, so that it is necessary to add the sound-transmitting structure 111 to the therapeutic window 11 to ensure that the inner cavity 12 is completely sealed, and at the same time, the ultrasonic energy passes through.
In the technical scheme of the application, the shell 1 comprises an inner shell 14 and an upper cover 15, the upper cover 15 and the inner shell 14 are enclosed to form the inner cavity 12, the treatment window 11 is arranged on the surface of the inner shell 14, the upper cover 15 is connected with one side surface of the inner shell 14, which is far away from the treatment window 11, and the bracket 21 is connected with the inner side wall of the inner shell 14; the outer side wall of the inner shell 14 is further covered with an outer shell 16, and a through hole is formed in the surface of the outer shell 16, and faces the treatment window 11.
Outer housing 16 serves to protect inner housing 14 from damage, thereby ensuring that inner lumen 12 is intact and ultrasound transducer unit 2 within it is not damaged.
In the technical scheme of the application, the ultrasonic treatment head further comprises a controller; the housing 1 is mounted with a displacement sensor (not shown in the figure) for acquiring the information of the moving distance value of the housing 1; and/or the housing 1 is mounted with a contact sensor (not shown in the figure) for acquiring longitudinal distance value information of the housing 1 from the surface of the treatment area; the controller is electrically connected to the displacement sensor and the contact sensor respectively.
In the application, because the treatment head has a compact structure and a small volume, and is convenient to hold and use, when the treatment head is combined with the existing ultrasonic treatment instrument, a doctor holds the handle of the treatment instrument, the treatment surface comprising the treatment window 11 is attached to the surface of a treatment area (the surface of a human body) and slides, whether the treatment surface of the handle is attached to the treatment area well or not needs to be detected before ultrasonic energy is output, namely, the longitudinal distance value information of the shell 1 and the surface of the treatment area is continuously detected and obtained through the contact sensor in treatment, and whether the handle moves or not, namely, the movement distance value information of the shell 1 is obtained through the displacement sensor in real time, if the contact is bad (generally, the distance from the surface of the human body is far), and/or the movement of the handle stops, the energy output is stopped, and medical accidents and hidden dangers of skin burn caused by superposition of energy at the same point are avoided.
The application also provides an ultrasonic therapeutic apparatus, which comprises the ultrasonic therapeutic head, and the specific structure of the ultrasonic therapeutic head refers to the above embodiments, and because the ultrasonic therapeutic apparatus adopts all the technical schemes of all the embodiments, the ultrasonic therapeutic apparatus at least has all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted herein.
The first embodiment of the application also discloses an ultrasonic treatment head, which comprises: the ultrasonic transduction unit and the driving mechanism drive the ultrasonic transduction unit to move in a direction away from or close to the treatment window.
In this embodiment, the treatment window is the portion of the housing where the ultrasound treatment head contacts the target area (the surface of the human body) during treatment. The driving mechanism can drive the ultrasonic transduction unit to move in a direction perpendicular to the treatment window, and further away from or close to the treatment window.
The first embodiment of the application also discloses a method for controlling the output power of the ultrasonic transduction unit, and referring to fig. 5, the method comprises the following steps:
step S110, determining the current working depth of the ultrasonic transduction unit;
in this embodiment, the current working depth is the distance between the ultrasound transducer unit and the skin surface layer under the skin at the current working position.
Optionally, step S110 includes:
step S111, determining displacement information of the driving mechanism according to the displacement distance of the supporting rod and/or the coding information of the motor;
in this embodiment, the displacement distance of the support rod refers to the displacement distance of the support rod from the original position, which is a fixed position, in the current state. The number of turns of the motor can be obtained according to the coding information, and then the moving distance of the driving mechanism relative to the original position is determined. The displacement information is information of the movement of the driving mechanism with respect to the home position. The motor is connected with the ultrasonic transduction unit through the push rod, and the motor drives the push rod to further drive the ultrasonic transduction unit.
As an optional implementation manner, depth information acquired by a depth detection module is acquired, and the displacement distance of the support rod is determined according to the depth information; and acquiring coding information of the motor, and determining the moving distance of the driving mechanism compared with the original position according to the displacement distance and/or the coding information.
Step S112, determining the relative position relation between the ultrasonic transduction unit and the treatment window according to the displacement information;
in this embodiment, the treatment window is located on the surface of the ultrasound treatment head housing, which is the surface that the ultrasound treatment head contacts with the target area during the treatment, and the target area is the area to be treated, which may be the skin of the surface of the human body. The relative positional relationship may be a distance of the ultrasound transducer unit from the treatment window.
As an alternative embodiment, the displacement amounts of the ultrasonic transduction unit and the push rod are the same, and when the driving mechanism is at the original position, the distance between the ultrasonic transduction unit and the treatment window is a first distance, and the first distance is a known amount; and determining the relative position relation according to the difference value between the displacement information of the driving mechanism and the first distance.
Illustratively, when the driving mechanism is in the home position, the first distance between the ultrasonic transduction unit and the treatment window is 2 cm, and the displacement information of the driving mechanism is determined to be 5 mm according to the displacement information, that is, the distance between the ultrasonic transduction unit and the treatment window is determined to be 1.5 cm.
And step S113, determining the current working depth according to the focusing depth of the ultrasonic transduction unit and the relative position relation.
In the present embodiment, the depth of focus is determined by a parameter of the ultrasonic transduction unit itself, and is a fixed value.
As an alternative embodiment, the depth of focus of the ultrasonic transduction unit is determined according to the parameters of the emitting surface of the ultrasonic transduction unit, and the current working depth is determined according to the difference between the depth of focus and the relative positional relationship.
Illustratively, the depth of focus of the ultrasound transducer unit is 1.8 cm, the distance between the ultrasound transducer unit and the treatment window is 1.5 cm, and the difference between 1.5 cm and 1.8 cm is 3 mm, so the current working depth of the ultrasound transducer unit is 3 mm.
Step S120, determining target output power according to the current working depth;
in this embodiment, the output power refers to the power of the wave emitted by the ultrasonic transducer unit. When the current working depth is fixed, the treatment project, the region to be treated and the treatment gear all affect the corresponding output power.
Optionally, step S120 includes:
step S121, acquiring a working gear corresponding to the current working depth;
as an alternative embodiment, the operating range is determined based on input received by the ultrasound therapy head.
The working gear is determined to be a constant value in the treatment according to the input information, that is, the working gears corresponding to different working depths are the same. The output information is information input by a user at the control equipment and is used for determining a treatment project, a region to be treated and a working gear of the treatment; the control device, upon receiving the input information, transmits the input information to the ultrasound therapy head.
The working depth interval corresponding to the treatment is determined according to the input information, and the working gear corresponding to different target depths in the working depth interval is determined.
Step S122, determining the corresponding relation between the depth interval and the output power according to the working gear;
as an optional implementation manner, a corresponding relation associated with the working gear is obtained, wherein the corresponding relation is a mapping relation between the depth interval and the output power. The depth interval is the interval between two working depths.
The working gear is determined to be a first gear value, a corresponding relation associated with the first gear value is obtained, and a first output power corresponding to a first depth interval and a second output power corresponding to a second depth interval are determined according to the corresponding relation. And so on, there may be more depth intervals and output power, including but not limited to three.
Optionally, step S122 includes:
step S1221, obtaining the correspondence relation associated with the working gear;
step S1222, acquiring historical treatment data associated with the treatment item and the target area;
step S1223, updating the depth interval according to the history treatment data to generate the updated correspondence.
In this embodiment, the target area is the area to be treated.
As an alternative implementation manner, obtaining a corresponding relation associated with the working gear, and determining a treatment item and a target area according to the input information; determining historical treatment data associated with the treatment item and the target area, wherein the historical treatment data includes a depth interval used in a previous treatment, an output power, and a current treatment effect; and updating the depth interval corresponding to each output power according to the historical treatment data to generate an updated corresponding relation.
And step S123, determining the target output power based on the corresponding relation according to the depth interval in which the current working depth is located.
And determining corresponding output power based on the corresponding relation according to the depth interval in which the current working depth is located, and taking the output power as target output power.
And step S130, controlling the ultrasonic transduction unit to output ultrasonic waves according to the target output power.
In this embodiment, as the current treatment depth changes, the output power is also adjusted to the corresponding target output power.
As an alternative implementation manner, according to a control program of the ultrasonic transduction unit and the target output power, an output instruction which can be executed by the ultrasonic transduction unit is generated, so that the power of the ultrasonic wave output by the ultrasonic transduction unit when the ultrasonic transduction unit outputs according to the output instruction is the target output power.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
the method and the device have the advantages that the current working depth of the ultrasonic transduction unit is determined, the target output power is determined according to the mapping relation between the current working depth and the output power, and the ultrasonic transduction unit is further controlled to output ultrasonic waves according to the target output power, so that the technical problems that energy output by the ultrasonic transduction unit in the related technology is attenuated to different degrees in different depth ranges, the fat dissolving effect is affected are effectively solved, and the technical effect that tissues at different depths are heated uniformly is achieved.
Example two
Based on the first embodiment, a second embodiment of the present application provides a method for controlling output power of an ultrasonic transduction unit, and step S120 further includes:
step S210, obtaining the mapping relation between the current working depth and the output power;
in this embodiment, the working depth is mapped to the output power one by one. The mapped curve can be pre-stored in a memory or a cloud, and the ultrasonic treatment head can acquire the mapped curve through a communication interface.
As an alternative implementation manner, a mapping curve of the current working depth and the output power is stored in association with a working gear, a treatment item and/or a region to be treated, and the working gear is determined according to input information, so that the associated mapping relation is determined.
As another alternative, a map of current operating depth to output power is stored in association with the operating range.
Optionally, referring to fig. 6, step S210 includes:
step S211, controlling the ultrasonic transduction unit to send ultrasonic waves to a target area and receiving return waves;
as an alternative implementation manner, the ultrasonic transduction unit is controlled to send ultrasonic waves with preset frequency and preset power to the target area, the ultrasonic waves return corresponding return waves when penetrating through each layer of tissues of the human body, and the return waves acquired by the receiving component are acquired.
Step S212, a mapping curve between the current working depth and the output power is obtained;
as an alternative embodiment, the mapping curves are stored in association with the working gear, and different working gears correspond to different mapping curves.
Optionally, step S212 includes:
step S2121, obtaining sign information corresponding to a region to be treated and a working gear associated with the current working depth;
step S2122, determining the mapping curve according to the sign information and the working gear.
In the embodiment, physical sign information of an area to be treated is acquired, and a working gear associated with the current working depth is acquired according to input information; and obtaining a mapping curve matched with the working gear and the sign information.
As an optional implementation manner, the sign information acquired by the sign acquisition module is acquired, wherein the sign information comprises but is not limited to epidermis information of an area to be treated, historical treatment data of a person to be treated is determined according to the epidermis information, and working gears corresponding to all working depths in the historical treatment data and treatment effects under the working gears are determined; and correcting the mapping curve related to the working gear according to the treatment effect.
As another alternative embodiment, the collected sign information is obtained, the working gear associated with the current working depth is determined according to the input information sent by the control panel, and the mapping curve associated with the sign information and the working gear is obtained in the pre-stored information. Wherein the sign information may be a skin oily type.
The method comprises the steps of determining that sign information is oily skin according to data acquired by a sign acquisition module, and determining a working gear associated with a current working depth according to input information; and determining a mapping curve which is simultaneously related to the oily skin and the working gear in the pre-stored information.
The method comprises the steps of determining that sign information is dry skin according to data acquired by a sign acquisition module, and determining a working gear associated with a current working depth according to input information; and determining a mapping curve which is simultaneously related to the dry skin and the working gear in the pre-stored information.
And S213, analyzing the return wave, and correcting the mapping curve according to the analysis result to obtain the mapping relation.
In this embodiment, when the mapping curve is obtained, the tissue information corresponding to the region to be treated is generated by analyzing the waveform data of the return wave, and the mapping curve is corrected by the depth interval corresponding to each level in the tissue information, so as to obtain the mapping relation, which is the updated mapping curve.
Optionally, step S213 further includes:
determining an organization level corresponding to the current working depth in the mapping curve;
updating the organization level of the current working depth according to the analysis result;
and adjusting the output power corresponding to the updated current working depth, and determining the mapping relation.
As an optional implementation manner, determining the corresponding relation between each working depth and the working gear in the mapping curve, assuming that the first working depth is located at a first level in a preset state, and determining that the first working depth is actually located at a second level according to organization information, and correcting the first working gear corresponding to the first working depth due to the difference of each level. The rest of the working depth and so on.
Illustratively, the subcutaneous tissue has three levels, the correspondence with the depth interval is a first level (1 mm to 3 mm), a second level (3 mm to 4 mm), and a third level (4 mm to 6 mm); in the mapping curve determined at this time, the working gear corresponding to 3.5 mm is 60 degrees, and at this time, 3.5 mm is at the second level; according to the analysis result of the returned wave, the first level corresponding to 3.5 mm is determined, and the working gear corresponding to 3.5 mm is corrected to 55 degrees.
Because the acquired mapping curve is corrected based on the analysis result of the returned wave, the updated mapping curve is more attached to the subcutaneous tissue structure of the person to be treated, and further, a better treatment effect is realized.
And step S220, determining the target output power according to the mapping relation and the current working depth.
As an optional implementation manner, a mapping value corresponding to the current working depth is determined according to the mapping relation, and the mapping value is taken as the target output power.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
the ultrasonic transduction unit is controlled to send ultrasonic waves to the target area and receive return waves; obtaining a mapping curve between the current working depth and the output power; and analyzing the return wave, correcting the mapping curve according to an analysis result to obtain the mapping relation, determining the target output power corresponding to the current working depth through the mapping relation, and outputting ultrasonic waves according to the target output power. The technical problems that energy output by the ultrasonic transduction unit in the related art is attenuated to different degrees in different depth ranges, and the effect of fat dissolution is affected are solved, and the technical effect that tissues at different depths are heated uniformly is achieved.
Example III
Based on the second embodiment, the third embodiment of the present application provides a method for controlling output power of an ultrasonic transduction unit, and step S220 further includes:
step S310, determining the mapping value corresponding to the current working depth according to the mapping relation;
step S320, determining a dispersion range of the mapping value at the current working depth;
and step S330, updating the mapping value according to the dispersion range and the current working depth to determine the target output power.
In this embodiment, when ultrasonic energy is focused at a point in subcutaneous tissue, it is emitted in a closed pattern centered about the point of focus, which is the range of dispersion. The closed pattern may be circular, elliptical, or irregular, and is not particularly limited herein.
As an optional implementation manner, determining a mapping value determined by the current working depth based on the mapping relation, wherein the mapping value is an output power value; determining a dispersion range corresponding to the mapping value, and reducing the numerical value of the mapping value when the boundary of the graph corresponding to the dispersion range exceeds the skin surface layer, so that the updated mapping value corresponds to the graph of the dispersion area, and the boundary is positioned below the skin surface layer; and taking the updated mapping value as the target output power.
As another alternative embodiment, when the boundary of the graph corresponding to the dispersion range is located below the skin surface layer and the distance between the skin surface layers is greater than a preset threshold value, the numerical value of the mapping value is increased, so that the boundary of the graph corresponding to the dispersion range corresponding to the updated mapping value is located below the skin surface layer and the distance between the boundary and the skin surface layer is smaller than the preset threshold value.
Considering that the outward radiation of energy exists at the ultrasonic energy gathering points to form a dispersion area, when the boundary of the dispersion area graph exceeds the skin surface layer, the energy is emitted to the skin surface layer, and the skin surface layer is damaged; therefore, the value of the output power is reduced, so that the boundary of the dispersion area is positioned below the surface layer of the skin at the moment, and the safety of treatment is improved.
The application further provides an ultrasonic transduction unit output power control device, and referring to fig. 7, fig. 7 is a schematic structural diagram of an ultrasonic transduction unit output power control device in a hardware operation environment according to an embodiment of the application.
As shown in fig. 7, the ultrasonic transduction unit output power control apparatus may include: a processor 1001, such as a central processing unit (Central Processing Unit, CPU), a communication bus 1002, a user interface 1003, a network interface 1004, a memory 1005. Wherein the communication bus 1002 is used to enable connected communication between these components. The user interface 1003 may include a Display, an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may further include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a WIreless interface (e.g., a WIreless-FIdelity (WI-FI) interface). The Memory 1005 may be a high-speed random access Memory (Random Access Memory, RAM) Memory or a stable nonvolatile Memory (NVM), such as a disk Memory. The memory 1005 may also optionally be a storage device separate from the processor 1001 described above.
It will be appreciated by those skilled in the art that the configuration shown in fig. 7 does not constitute a limitation of the ultrasound transducer unit output power control device, and may include more or fewer components than shown, or may combine certain components, or may have a different arrangement of components.
Optionally, the memory 1005 is electrically connected to the processor 1001, and the processor 1001 may be configured to control operation of the memory 1005, and may also read data in the memory 1005 to implement output power control of the ultrasonic transducer unit.
Alternatively, as shown in fig. 7, an operating system, a data storage module, a network communication module, a user interface module, and an ultrasonic transduction unit output power control program may be included in a memory 1005 as one storage medium.
Optionally, in the ultrasound transducer output power control device shown in fig. 7, the network interface 1004 is mainly used for data communication with other devices; the user interface 1003 is mainly used for data interaction with a user; the processor 1001 and the memory 1005 in the ultrasonic transducer output power control apparatus of the present application may be provided in the ultrasonic transducer output power control apparatus.
As shown in fig. 7, the ultrasonic treatment head is used for controlling the ultrasonic treatment head, the ultrasonic treatment head comprises an ultrasonic transduction unit and a driving mechanism, the driving mechanism drives the ultrasonic transduction unit to move far from or close to a treatment window, the ultrasonic transduction unit output power control device calls an ultrasonic transduction unit output power control program stored in a memory 1005 through a processor 1001, and relevant steps of the ultrasonic transduction unit output power control method provided by the embodiment of the application are executed:
Determining the current working depth of the ultrasonic transduction unit;
determining target output power according to the current working depth;
and controlling the ultrasonic transduction unit to output ultrasonic waves according to the target output power.
Alternatively, the processor 1001 may call the ultrasonic transduction unit output power control program stored in the memory 1005, and also perform the following operations:
determining displacement information of the driving mechanism according to the displacement distance of the supporting rod and/or the coding information of the motor;
determining the relative position relation between the ultrasonic transduction unit and a treatment window according to the displacement information;
and determining the current working depth according to the focusing depth of the ultrasonic transduction unit and the relative position relation.
Alternatively, the processor 1001 may call the ultrasonic transduction unit output power control program stored in the memory 1005, and also perform the following operations:
acquiring a working gear corresponding to the current working depth;
determining the corresponding relation between the depth interval and the output power according to the working gear;
and determining the target output power based on the corresponding relation according to the depth interval in which the current working depth is located.
Alternatively, the processor 1001 may call the ultrasonic transduction unit output power control program stored in the memory 1005, and also perform the following operations:
Obtaining the mapping relation between the current working depth and the output power;
and determining the target output power according to the mapping relation and the current working depth.
Alternatively, the processor 1001 may call the ultrasonic transduction unit output power control program stored in the memory 1005, and also perform the following operations:
controlling the ultrasonic transduction unit to send ultrasonic waves to a target area and receiving return waves;
obtaining a mapping curve between the current working depth and the output power;
and analyzing the return wave, and correcting the mapping curve according to an analysis result to obtain the mapping relation.
Alternatively, the processor 1001 may call the ultrasonic transduction unit output power control program stored in the memory 1005, and also perform the following operations:
acquiring sign information corresponding to a region to be treated and a working gear associated with the current working depth;
and determining the mapping curve according to the sign information and the working gear.
Alternatively, the processor 1001 may call the ultrasonic transduction unit output power control program stored in the memory 1005, and also perform the following operations:
determining an organization level corresponding to the current working depth in the mapping curve;
Updating the organization level of the current working depth according to the analysis result;
and adjusting the output power corresponding to the updated current working depth, and determining the mapping relation.
Alternatively, the processor 1001 may call the ultrasonic transduction unit output power control program stored in the memory 1005, and also perform the following operations:
acquiring the corresponding relation associated with the working gear;
acquiring historical treatment data associated with a treatment item and a target area;
and updating the depth interval according to the historical treatment data to generate the updated corresponding relation.
In addition, the embodiment of the application also provides a computer readable storage medium, wherein the computer readable storage medium is stored with an ultrasonic transduction unit output power control program, and the ultrasonic transduction unit output power control program realizes the relevant steps of any embodiment of the ultrasonic transduction unit output power control method when being executed by a processor.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The application may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, third, etc. do not denote any order. These words may be interpreted as names.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. An ultrasonic transduction unit output power control method, which is used for controlling an ultrasonic treatment head, wherein the ultrasonic treatment head comprises an ultrasonic transduction unit and a driving mechanism, the driving mechanism drives the ultrasonic transduction unit to move towards a direction far away from or close to a treatment window, and the ultrasonic transduction unit output power control method comprises the following steps:
determining the current working depth of the ultrasonic transduction unit;
determining target output power according to the current working depth;
controlling the ultrasonic transduction unit to output ultrasonic waves according to the target output power, wherein the output power is also adjusted to the corresponding target output power along with the change of the current working depth;
Wherein the determining the target output power according to the current working depth includes:
acquiring a mapping relation between the current working depth and the output power, wherein the ultrasonic transduction unit is controlled to send ultrasonic waves to a target area and receive return waves;
obtaining a mapping curve between the current working depth and the output power;
analyzing the return waves, and correcting the mapping curve according to an analysis result to obtain the mapping relation, wherein the working depth and the output power are mapped one by one;
determining a mapping value of the current working depth based on the mapping relation;
determining a dispersion range of the mapping value at the current working depth;
and updating the mapping value according to the dispersion range and the current working depth to determine the target output power.
2. The ultrasonic transduction unit output power control method of claim 1, wherein said determining a current operating depth of said ultrasonic transduction unit comprises:
determining displacement information of the driving mechanism according to the displacement distance of the supporting rod and/or the coding information of the motor;
determining the relative position relation between the ultrasonic transduction unit and a treatment window according to the displacement information;
And determining the current working depth according to the focusing depth of the ultrasonic transduction unit and the relative position relation.
3. The ultrasonic transduction unit output power control method of claim 1, wherein said determining a target output power based on said current depth of operation comprises:
acquiring a working gear corresponding to the current working depth;
determining the corresponding relation between the depth interval and the output power according to the working gear;
and determining the target output power based on the corresponding relation according to the depth interval in which the current working depth is located.
4. The ultrasonic transduction unit output power control method of claim 1, wherein said obtaining a mapping curve between the current working depth and the output power comprises:
acquiring sign information corresponding to a region to be treated and a working gear associated with the current working depth;
and determining the mapping curve according to the sign information and the working gear.
5. The method for controlling output power of an ultrasonic transducer according to claim 1, wherein analyzing the return wave and correcting the mapping curve according to the analysis result to obtain the mapping relation comprises:
Determining an organization level corresponding to the current working depth in the mapping curve;
updating the organization level of the current working depth according to the analysis result;
and adjusting the output power corresponding to the updated current working depth, and determining the mapping relation.
6. The method for controlling output power of an ultrasonic transducer according to claim 3, wherein determining a correspondence between a depth interval and the output power according to the working gear comprises:
acquiring the corresponding relation associated with the working gear;
acquiring historical treatment data associated with a treatment item and a target area;
and updating the depth interval according to the historical treatment data to generate the updated corresponding relation.
7. An ultrasonic transducer output power control device comprising a memory, a processor and an ultrasonic transducer output power control program stored on the memory and executable on the processor, the processor implementing the steps of the ultrasonic transducer output power control method according to any one of claims 1 to 6 when the processor executes the ultrasonic transducer output power control program.
8. A computer readable storage medium, characterized in that the computer readable storage medium has stored thereon an ultrasonic transducer output power control program, which when executed by a processor, implements the steps of the ultrasonic transducer output power control method according to any one of claims 1 to 6.
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