CN115156018A - Personalized multifunctional ultrasonic array device prepared by 3D printing and preparation method - Google Patents
Personalized multifunctional ultrasonic array device prepared by 3D printing and preparation method Download PDFInfo
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
- B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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- A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
- A61M2037/0007—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin having means for enhancing the permeation of substances through the epidermis, e.g. using suction or depression, electric or magnetic fields, sound waves or chemical agents
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- A—HUMAN NECESSITIES
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- A61N7/00—Ultrasound therapy
- A61N2007/0004—Applications of ultrasound therapy
- A61N2007/0034—Skin treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
- B06B2201/70—Specific application
- B06B2201/76—Medical, dental
Abstract
The application discloses individualized multi-functional ultrasonic array device and preparation method that 3D printed and prepared relates to the ultrasonic beauty treatment technical field, and this ultrasonic array device includes shell, piezoelectric array, insulating material and microtubule subsides. The piezoelectric array consists of a plurality of self-focusing piezoelectric vibrators distributed in an array at intervals, each self-focusing piezoelectric vibrator comprises a backing layer, a piezoelectric layer and a matching layer, the backing layer, the piezoelectric layer and the matching layer are sequentially bonded, a shell is bonded with the backing layer, two side surfaces of the piezoelectric layer are provided with electrodes, the electrode on one side surface is connected with a first lead, and the electrode on the other side surface is connected with a second lead; the insulation material is filled among the self-focusing piezoelectric vibrators; the micro-tube sticker is detachably adhered to the matching layer of each self-focusing piezoelectric vibrator and comprises a supporting layer and a plurality of micro-tubes, wherein the micro-tubes are internally adsorbed with medicines and are inserted into the supporting layer at intervals in an array mode. Has the advantages of multifunction, multiple vibration elements, multiple focuses, large action area and the like.
Description
Technical Field
The application relates to the technical field of ultrasonic cosmetology, in particular to a personalized multifunctional ultrasonic array device prepared by 3D printing and a preparation method.
Background
With the improvement of living standard, the demands of people on face moisturizing, wrinkle resisting and aging delaying are increasing day by day. The problem that pores are blocked and cannot absorb the beauty fluid is often faced in the skin care process, and the facial tissues need to be relaxed, the pores are softened and the beauty fluid needs to be conveyed by means of additional measures.
Ultrasound has been receiving more and more attention from many people because of its high efficiency, time saving and safety characteristics in the cosmetic field. The effect of ultrasound on skin is mainly reflected in ultrasound-induced penetration and ultrasound wrinkle removal. Most of the existing ultrasonic beauty instruments are single-vibrator focused ultrasonic modules, have single functions, small action areas and long consumed time, cannot be well attached to a treatment part, and even can cause scald to the skin surface of the treatment part.
Disclosure of Invention
In view of this, the present application aims to provide a personalized multifunctional ultrasound array apparatus prepared by 3D printing and a preparation method thereof, so as to solve the technical problems in the background art.
In order to achieve the technical purpose, the application provides a method for manufacturing a personalized multifunctional ultrasonic array device through 3D printing, which comprises the following steps:
the method comprises the following steps of S1, manufacturing a matching material layer, a piezoelectric material layer, a backing material layer and a shell by adopting a 3D printing technology;
s2, sintering, plating an electrode and polarizing the piezoelectric material layer;
s3, sequentially bonding the shell, the backing material layer, the piezoelectric material layer and the matching material layer from outside to inside, wherein the backing material layer, the piezoelectric material layer and the matching material layer form a piezoelectric module;
s4, carrying out material reduction treatment on the backing layer, the piezoelectric layer and the matching layer together by adopting a material reduction processing technology so that the piezoelectric module forms a plurality of self-focusing piezoelectric vibrators distributed in an interval array;
step S5, connecting an electrode on one side surface of a piezoelectric layer of each self-focusing piezoelectric vibrator with a first lead, connecting an electrode on the other side surface of each self-focusing piezoelectric vibrator with a second lead, and filling an insulating material between the self-focusing piezoelectric vibrators;
and S6, adhering a detachable micro-tube sticker to the matching layer of each self-focusing piezoelectric vibrator, wherein the micro-tube sticker comprises a supporting layer and a plurality of micro-tubes which are internally adsorbed with medicines and are inserted into the supporting layer at intervals in an array manner.
Further, the step S1 includes:
s11, acquiring scanning characteristic parameters of a treatment part, and respectively establishing a matching material layer printing model, a piezoelectric material layer printing model, a backing material layer printing model and a shell printing model according to the scanning characteristic parameters;
and S12, respectively importing the matching material layer printing model, the piezoelectric material layer printing model, the backing material layer printing model and the shell printing model into 3D printing equipment so as to respectively print out the matching material layer, the piezoelectric material layer, the backing material layer and the shell.
Further, the backing material layer is made of tungsten powder-doped epoxy resin materials, or made of porous ceramic materials or aluminum fiber materials.
Further, the matching material layer is formed by sequentially stacking a plurality of sub-material layers;
each sub-material layer is made of the same material or different materials;
the micro-tube is adhered to the outermost sub-material layer.
Further, the matching material layer is formed by stacking two sub material layers;
one sub-material layer is made of an aluminum oxide material, and the other sub-material layer is made of an epoxy resin material; or
One sub-material layer is made of cerium oxide material, and the other sub-material layer is made of epoxy resin material; or
One sub-material layer is made of a silicon dioxide colloid material, and the other sub-material layer is made of an epoxy resin polymer or polyurethane material.
Further, the piezoelectric material layer is made of a piezoelectric ceramic material or a piezoelectric composite material.
Further, the piezoelectric material layer is prepared from one of 1-3 type, 2-2 type and 0-3 type piezoelectric composite materials.
Further, the preparation of the microtube patch specifically comprises:
step S71, uniformly mixing ceramic powder, high-temperature-resistant fibers, a pore-forming agent and an organic carrier, adding the mixture into a preparation mold, and forming a plurality of micro-tubes through external field auxiliary molding;
and step S72, pouring glue between the microtubes to form a supporting layer for supporting the microtubes.
Further, the center frequency of the self-focusing piezoelectric vibrator is larger than 20kHz.
The application also discloses a personalized multifunctional ultrasonic array device prepared by 3D printing, and the preparation method of the personalized multifunctional ultrasonic array device prepared by 3D printing comprises the following steps: the device comprises a shell, a piezoelectric array, an insulating material and a micro-tube paste;
the piezoelectric array consists of a plurality of self-focusing piezoelectric vibrators distributed in an interval array;
each self-focusing piezoelectric vibrator comprises a back lining layer, a piezoelectric layer and a matching layer;
the backing layer, the piezoelectric layer and the matching layer are bonded in sequence;
the shell is bonded with the back lining layer;
two side surfaces of the piezoelectric layer are provided with electrodes, the electrodes on one side surface are connected with a first lead, and the electrodes on the other side surface are connected with a second lead;
the insulating material is filled among the self-focusing piezoelectric vibrators;
the micro-tube is detachably adhered to the matching layer of each self-focusing piezoelectric vibrator;
the microtube patch comprises a support layer and a plurality of microtubes which are internally adsorbed with drugs and are inserted in the support layer at intervals in an array manner.
According to the technical scheme, the method for manufacturing the personalized multifunctional ultrasonic array device through 3D printing is disclosed. Compared with the traditional preparation process, the matching material layer, the piezoelectric material layer, the backing material layer and the shell are manufactured by adopting a 3D printing technology, so that the finally constructed ultrasonic array device can be well attached to treatment parts such as a head, a face and the like, and the ultrasonic array device has the advantages of high efficiency and safety. Thirdly, manufacturing a matching material layer, a piezoelectric material layer, a backing material layer and a shell which are matched with the treatment part, and then sequentially bonding the material layers; and after bonding, the shell is used as a support, and the matching material layer, the piezoelectric material layer and the backing material layer are subjected to material reduction cutting together to form a plurality of self-focusing piezoelectric vibrators distributed in an interval array. Because the piezoelectric vibrators are in the shape of a curved surface and are in a spaced array, compared with the traditional single vibrator design mode, the piezoelectric vibrators are in good contact with the skin, large in action area and short in time consumption. Meanwhile, a micro-tube patch which is attached to a treatment part is adhered to the matching layer of each self-focusing piezoelectric vibrator, wherein each micro-tube patch comprises a supporting layer and a plurality of micro-tubes which contain beauty treatment medicines and are inserted into the supporting layer at intervals in an array manner; the drug is stored by the microtube technology, the storage capacity is small, excessive drug application to the skin is avoided, the drug is not wasted, and the cost is saved. Moreover, the single piezoelectric vibrators prepared by the method are all self-focusing piezoelectric vibrators, namely the piezoelectric vibrators are designed to be of curved surface structures, so that focusing can be realized under the condition of no external control, and the prepared ultrasonic array device can form multiple focuses on the treatment part. And the focused ultrasound generated by the self-focusing piezoelectric vibrator can transmit the beauty treatment medicine to the focal region range, so that the medicine transmission distance is longer.
The ultrasonic array device prepared by the preparation method of the personalized multifunctional ultrasonic array device prepared by 3D printing can realize various beauty effects aiming at different areas on a treatment part. Taking the face as an example, the facial mask can massage tissues in an area which is not easy to age, accelerate the metabolism of skin cells and tissues, increase the skin permeability and promote the skin to absorb skin care products and related medicaments; non-peeling surface reconstruction can be realized in the aging-prone area, so that the effects of slowing down facial aging and reducing wrinkles are achieved; when the micro-tube patch is matched, different types of beauty treatment liquid and medicines can be stored by using the micro-tube and are conveyed to surface skin tissues under the vibration of sound waves, so that the effects of repairing and maintaining the skin and preventing alopecia of scalp are realized.
In general, the method for manufacturing the personalized multifunctional ultrasonic array device through 3D printing has the advantages that the manufacturing method is simple, and the ultrasonic array device with the advantages of being multifunctional, multiple in vibration elements, multiple in focus, large in action area and the like can be manufactured in a personalized mode.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a flowchart of a first embodiment of a 3D printing-prepared personalized multifunctional ultrasound array apparatus and method of preparation provided herein;
fig. 2 is a detailed flowchart of step S1 of the 3D printing prepared personalized multifunctional ultrasound array apparatus and the preparation method provided in the present application;
fig. 3 is a flow chart of a micro-tube patch for a 3D printed personalized multifunctional ultrasonic array device and a method of making the same provided in the present application;
fig. 4 is a structural schematic of a 3D printed personalized multifunctional ultrasound array device provided herein;
FIG. 5 is a schematic view with a partial enlarged view of a 3D printed personalized multifunctional ultrasound array device as provided herein;
in the figure: 1. a housing; 2. a backing layer; 3. an electrode; 4. a piezoelectric layer; 5. a matching layer; 6. an insulating material; 7. a microtube patch.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood as specific cases by those of ordinary skill in the art.
The embodiment of the application discloses a personalized multifunctional ultrasonic array device prepared by 3D printing and a preparation method.
Referring to fig. 1, an embodiment of a personalized multifunctional ultrasonic array device manufactured by 3D printing and a manufacturing method provided in an embodiment of the present application includes:
step S1, manufacturing a matching material layer, a piezoelectric material layer, a backing material layer and a shell by adopting a 3D printing technology. It should be noted that the 3D printing technology includes, but is not limited to, photolithography, inkjet printing, direct write molding, and melt deposition. The ultrasonic array device is prepared by adopting a 3D printing technology, can be customized to be close to treatment parts such as the head, the face and the like, and has the advantages of high efficiency and safety.
And S2, sintering, plating an electrode and polarizing the piezoelectric material layer. It should be noted that, as for the processing of the piezoelectric material layer in this step, the existing pre-bonding processing for the piezoelectric material may be referred to, and details are not repeated.
And S3, sequentially bonding the shell, the backing material layer, the piezoelectric material layer and the matching material layer from outside to inside, wherein the backing material layer, the piezoelectric material layer and the matching material layer form the piezoelectric module.
And S4, carrying out material reduction treatment on the backing layer, the piezoelectric layer and the matching layer together by adopting a material reduction processing technology so that the piezoelectric module forms a plurality of self-focusing piezoelectric vibrators distributed in an interval array. In this step, the backing layer, the piezoelectric layer, and the matching layer are subjected to subtractive cutting with the housing as a support, and the subtractive processing may be laser, electric spark, electrochemical corrosion, or the like, without limitation. The piezoelectric module formed by the backing material layer, the piezoelectric material layer and the matching material layer is cut into a plurality of array modules distributed in a spaced array mode, and the array modules are self-focusing piezoelectric vibrators, and each self-focusing piezoelectric vibrator is provided with the matching layer, the piezoelectric layer and the backing layer correspondingly. For the array design, the array design may be performed in regions, for example, the size of the self-focusing piezoelectric vibrators formed by cutting in an emphasized region is smaller but more than that of the non-emphasized region, and the size of the self-focusing piezoelectric vibrators formed by cutting in other non-emphasized regions is relatively larger.
And S5, connecting an electrode on one side surface of the piezoelectric layer of each self-focusing piezoelectric vibrator with a first lead, connecting an electrode on the other side surface of each self-focusing piezoelectric vibrator with a second lead, and filling insulating materials among the self-focusing piezoelectric vibrators. After the subtractive cutting step is completed, the wiring process and the insulating material filling process are performed. During wiring, the electrodes on the two side surfaces of each piezoelectric layer are respectively connected with the first lead and the second lead. During concrete connection, the side of the electrodes can be connected, gaps among the self-focusing piezoelectric vibrators are reused for wiring so as to be connected with an external power supply, and the self-focusing piezoelectric arrays in different division areas can be controlled. After the wiring is completed, the filling process of the insulating material may be performed.
And S6, adhering a detachable micro-tube patch on the matching layer of each self-focusing piezoelectric vibrator, wherein each micro-tube patch comprises a supporting layer and a plurality of micro-tubes which are internally adsorbed with medicines and are inserted into the supporting layer at intervals in an array manner. The micro-tube patch is designed to adsorb and store drugs such as beauty drugs by micro-adsorption using a micro-tube. The drug is stored by the microtube technology, the storage capacity is small, excessive drug application to the skin is avoided, the drug is not wasted, and the cost is saved.
In the application, the focal area depth of the self-focusing piezoelectric vibrator is designed to be the thickness capable of covering the micro-tube and reach the surface layer of the skin, meanwhile, the intensity of sound waves generated by the self-focusing piezoelectric vibrator is designed to be smaller than the breaking intensity of the micro-tube, the micro-tube is prevented from breaking due to the action of shearing force, and the prepared ultrasonic array device can be stably operated.
According to the preparation method of the personalized multifunctional ultrasonic array device prepared by 3D printing, the matching material layer, the piezoelectric material layer, the backing material layer and the shell which are matched with the treatment part are firstly prepared, and then all the material layers are sequentially bonded; and after bonding, the shell is used as a support, and the matching material layer, the piezoelectric material layer and the backing material layer are subjected to material reduction cutting together to form a plurality of self-focusing piezoelectric vibrators distributed in an interval array. And because the piezoelectric vibrator is the interval array and is the curved surface shape, it compares traditional single oscillator design mode, and it is good with skin contact, and the area of action is big and consuming time is short. The ultrasonic array device prepared by the preparation method can realize various cosmetic effects aiming at different areas on the treatment part. Taking the face as an example, the facial mask can massage tissues in an area which is not easy to age, accelerate the metabolism of skin cells and tissues, increase the skin permeability and promote the skin to absorb skin care products and related medicaments; non-peeling surface reconstruction can be realized in the aging-prone area, so that the effects of slowing down facial aging and reducing wrinkles are achieved; when the micro-tube patch is matched, different types of beauty treatment liquid and medicines can be stored by using the micro-tube and are conveyed to surface skin tissues under the vibration of sound waves, so that the effects of repairing and maintaining the skin and preventing alopecia of scalp are realized.
In general, the preparation method of the personalized multifunctional ultrasonic array device prepared by 3D printing has the beneficial effects that the preparation method is simple, and the ultrasonic array device with the advantages of multiple functions, multiple vibration elements, multiple focuses, large action area and the like can be prepared in a personalized manner.
The above embodiment is a first embodiment of a method for manufacturing a personalized multifunctional ultrasonic array device by 3D printing, and the following embodiment is a second embodiment of a method for manufacturing a personalized multifunctional ultrasonic array device by 3D printing, which are provided in the embodiments of the present application, and refer to fig. 1 to 3 specifically.
The scheme based on the first embodiment is as follows:
further, step S1 specifically includes:
and S11, acquiring scanning characteristic parameters of the treatment part, and respectively establishing a matching material layer printing model, a piezoelectric material layer printing model, a backing material layer printing model and a shell printing model according to the scanning characteristic parameters. It should be noted that, taking the treatment site as the head as an example, the head is scanned by a 3D scanner to obtain the head characteristic parameters, the obtained head characteristic parameters are input into reverse engineering software to perform curved surface reconstruction, and then model construction is performed by 3D modeling software, so as to respectively establish a matching material layer printing model, a piezoelectric material layer printing model, a backing material layer printing model, and a shell printing model. Furthermore, in order to control the focal length of the single self-focusing piezoelectric vibrator within a safe range, the head characteristic curve obtained by scanning can be properly adjusted, and the phenomenon that the focal length of the single vibrator is too large or is in a convex shape is avoided.
And S12, respectively importing the matching material layer printing model, the piezoelectric material layer printing model, the backing material layer printing model and the shell printing model into 3D printing equipment so as to respectively print out the matching material layer, the piezoelectric material layer, the backing material layer and the shell.
Further, the backing material layer is made of tungsten powder-doped epoxy resin material, or made of porous ceramic material or aluminum fiber material. Those skilled in the art can make appropriate design changes based on the above without limitation.
Furthermore, the matching material layer is formed by sequentially stacking a plurality of sub material layers, each sub material layer is made of the same material or made of different materials, and the micro tube is adhered to the outermost sub material layer.
Further, it is exemplified that the matching material layer is formed as a stack of two sub-material layers.
Then one sub-material layer is made of alumina material, and the other sub-material layer is made of epoxy resin material; or
One sub-material layer is made of cerium oxide material, and the other sub-material layer is made of epoxy resin material; or
One sub-material layer is made of silicon dioxide colloid material, and the other sub-material layer is made of epoxy resin or polyurethane material. Those skilled in the art can make appropriate design changes based on the above without limitation.
Further, the piezoelectric material layer is made of a piezoelectric ceramic material, or a piezoelectric composite material, and taking the piezoelectric composite material as an example, the piezoelectric material layer may be specifically one of 1-3 type, 2-2 type and 0-3 type piezoelectric composite materials, and those skilled in the art can make appropriate design changes based on this, without limitation.
Further, as for the preparation of the microtube patch, the preparation method specifically comprises the following steps:
and S71, uniformly mixing the ceramic powder, the high-temperature-resistant fibers, the pore-forming agent and the organic carrier, adding the mixture into a preparation mold, and forming a plurality of micro-tubes by external field auxiliary molding. The external field assistance is specifically an acoustic field, a magnetic field, an electric field, or the like.
And step S72, pouring glue between the micro-tubes to form a supporting layer for supporting the micro-tubes.
Further, the center frequency of the self-focusing piezoelectric vibrator is greater than 20kHz. The preferred center frequency is in the range of 20kHz to 100kHz, which is more effective in ultrasonic permeation promotion. The greater the center frequency selected, the more accurate the transmission path of the substance; the thickness of piezoelectric vibrator is big more, and central frequency is high more, and the focus design of self-focusing piezoelectric vibrator is for being approximately equal to with self curvature radius in this application.
As shown in fig. 4 and fig. 5, the present application further discloses a personalized multifunctional ultrasound array device prepared by 3D printing, which is prepared by the improved preparation method, and includes: the piezoelectric micro-tube patch comprises a shell 1, a piezoelectric array, an insulating material 6 and a micro-tube patch 7.
The piezoelectric array is composed of a plurality of self-focusing piezoelectric vibrators distributed in an interval array, each self-focusing piezoelectric vibrator comprises a backing layer 2, a piezoelectric layer 4 and a matching layer 5, the backing layer 2, the piezoelectric layer 4 and the matching layer 5 are sequentially bonded, and the shell 1 is bonded with the backing layer 2. The both sides face of piezoelectric layer 4 all has electrode 3, and electrode 3 on one side is connected with first wire, and electrode 3 on the another side is connected with the second wire, during the concrete joint, can connect electrode 3's side, recycles the clearance between each self-focusing piezoelectric vibrator and walks the line so that connect external power source, can realize controlling the self-focusing piezoelectric array in different division regions. And the insulating material 6 is filled between the respective self-focusing piezoelectric vibrators.
The micro-tube sticker 7 is detachably adhered to the matching layer 5 of each self-focusing piezoelectric vibrator, and the micro-tube sticker 7 comprises a supporting layer and a plurality of micro-tubes which are internally adsorbed with medicines and are inserted into the supporting layer in a spaced array mode.
The working principle of the ultrasonic array device is as follows: the self-focusing piezoelectric vibrator generates short pulse intensified focusing ultrasonic wave under the excitation of external electric signals, and the ultrasonic wave can play a role in ultrasonic physical therapy on skin; in addition, the release of the drug adsorbed in the inner wall of the micro tube may be accelerated by heat generated by the sonic vibration, and the transfer of the drug may be accelerated by the sonic vibration to deliver the cosmetic liquid in the micro tube into the skin tissue.
The specific working mode can be as follows:
the head is coated with beauty fluid or other medicaments, the ultrasonic array multifunctional treatment device is aligned and tightly attached to the skin, an alternating electric field is connected, ultrasonic signals in different areas can be adjusted within a safety range, and the self-focusing piezoelectric vibrator generates ultrasonic waves under the excitation action of the electric field; on the other hand, in an aging-prone area, a focused ultrasonic wave beam forms a thermal injury area in subcutaneous tissues, controlled heating causes a wound-repair reaction, so that a plurality of cytokines are released to stimulate fibroblasts to synthesize and precipitate new collagen, and the effect of reducing wrinkles by pulling a skin curve is achieved.
In addition, the microtubule patch 7 can be matched for use according to actual requirements, and different drugs are added in the microtubule patch according to the skin conditions of different users, so that multiple treatment effects can be realized in one-time skin treatment. During treatment, the medicine in the micro-tube is transmitted to skin tissues under the action of ultrasonic waves, so that the effects of repairing and maintaining the skin and preventing alopecia of scalp are realized.
While the personalized multifunctional ultrasonic array device manufactured by 3D printing and the manufacturing method provided by the present application are described in detail above, for a person skilled in the art, according to the ideas of the embodiments of the present application, the specific implementation and the application scope may be changed, and in summary, the content of the present specification should not be construed as limiting the present application.
Claims (10)
1. A preparation method of a personalized multifunctional ultrasonic array device prepared by 3D printing is characterized by comprising the following steps:
s1, manufacturing a matching material layer, a piezoelectric material layer, a backing material layer and a shell by adopting a 3D printing technology;
s2, sintering, plating an electrode and polarizing the piezoelectric material layer;
s3, sequentially bonding the shell, the backing material layer, the piezoelectric material layer and the matching material layer from outside to inside, wherein the backing material layer, the piezoelectric material layer and the matching material layer form a piezoelectric module;
s4, carrying out material reduction treatment on the backing layer, the piezoelectric layer and the matching layer together by adopting a material reduction processing technology so that the piezoelectric module forms a plurality of self-focusing piezoelectric vibrators distributed in an interval array;
step S5, connecting an electrode on one side surface of a piezoelectric layer of each self-focusing piezoelectric vibrator with a first lead, connecting an electrode on the other side surface of each self-focusing piezoelectric vibrator with a second lead, and filling an insulating material between the self-focusing piezoelectric vibrators;
and S6, adhering a detachable micro-tube sticker to the matching layer of each self-focusing piezoelectric vibrator, wherein the micro-tube sticker comprises a supporting layer and a plurality of micro-tubes which are internally adsorbed with medicaments and are inserted into the supporting layer at intervals in an array manner.
2. The method for preparing a personalized multifunctional ultrasonic array device by 3D printing according to claim 1, wherein the step S1 comprises:
s11, acquiring scanning characteristic parameters of a treatment part, and respectively establishing a matching material layer printing model, a piezoelectric material layer printing model, a backing material layer printing model and a shell printing model according to the scanning characteristic parameters;
and S12, respectively importing the matching material layer printing model, the piezoelectric material layer printing model, the backing material layer printing model and the shell printing model into 3D printing equipment so as to respectively print out the matching material layer, the piezoelectric material layer, the backing material layer and the shell.
3. The method for manufacturing the personalized multifunctional ultrasonic array device manufactured by 3D printing according to claim 1, wherein the backing material layer is made of tungsten powder-doped epoxy resin material, or made of porous ceramic material or made of aluminum fiber material.
4. The method for manufacturing the personalized multifunctional ultrasonic array device manufactured by 3D printing according to claim 1, wherein the matching material layer is formed by sequentially stacking a plurality of sub material layers;
each sub-material layer is made of the same material or different materials;
the micro-tube is adhered to the outermost sub-material layer.
5. The method for manufacturing the personalized multifunctional ultrasonic array device through 3D printing according to claim 4, wherein the matching material layer is formed by stacking two sub material layers;
one sub-material layer is made of an aluminum oxide material, and the other sub-material layer is made of an epoxy resin material; or
One sub-material layer is made of cerium oxide material, and the other sub-material layer is made of epoxy resin material; or
One sub-material layer is made of a silicon dioxide colloid material, and the other sub-material layer is made of an epoxy resin polymer or polyurethane material.
6. The method for manufacturing the personalized multifunctional ultrasonic array device manufactured by 3D printing according to claim 1, wherein the piezoelectric material layer is made of a piezoelectric ceramic material or a piezoelectric composite material.
7. The method for manufacturing the personalized multifunctional ultrasonic array device manufactured by 3D printing according to claim 6, wherein the piezoelectric material layer is made of one of 1-3 type, 2-2 type and 0-3 type piezoelectric composite materials.
8. The method for preparing the personalized multifunctional ultrasonic array device through 3D printing according to claim 6, wherein the preparation of the micro-tube patch specifically comprises the following steps:
step S71, uniformly mixing ceramic powder, high-temperature-resistant fibers, a pore-forming agent and an organic carrier, adding the mixture into a preparation mold, and forming a plurality of micro-tubes through external field auxiliary molding;
and step S72, pouring glue among the micro-tubes to form a supporting layer for supporting the micro-tubes.
9. The method for preparing the personalized multifunctional ultrasonic array device through 3D printing according to claim 1, wherein the center frequency of the self-focusing piezoelectric vibrator is more than 20kHz.
10. A personalized multifunctional ultrasonic array device prepared by 3D printing, which is prepared by the method for preparing the personalized multifunctional ultrasonic array device prepared by 3D printing according to any one of claims 1 to 9, comprising: the device comprises a shell, a piezoelectric array, an insulating material and a micro-tube paste;
the piezoelectric array consists of a plurality of self-focusing piezoelectric vibrators distributed in an array at intervals;
each self-focusing piezoelectric vibrator comprises a back lining layer, a piezoelectric layer and a matching layer;
the backing layer, the piezoelectric layer and the matching layer are bonded in sequence;
the shell is bonded with the back lining layer;
two side surfaces of the piezoelectric layer are provided with electrodes, the electrodes on one side surface are connected with a first lead, and the electrodes on the other side surface are connected with a second lead;
the insulating material is filled between the self-focusing piezoelectric vibrators;
the micro-tube is detachably adhered to the matching layer of each self-focusing piezoelectric vibrator;
the microtube patch comprises a support layer and a plurality of microtubes which are internally adsorbed with drugs and are inserted in the support layer at intervals in an array manner.
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