CN218685714U - Cosmetic noninvasive shock wave transdermal injection appearance of using - Google Patents

Abstract

A non-invasive shock wave transdermal injection instrument for cosmetology relates to the technical field of cosmetology, and comprises a shell, a medicine charging mechanism, a pilot electromagnetic valve, a shock wave generating piece and a shock wave balance tube; one end of the pilot-operated electromagnetic valve is communicated with an air source, and the other end of the pilot-operated electromagnetic valve is connected with the shock wave generating piece; the shock wave generating piece is internally provided with a shock wave generating cavity front end which is gradually expanded along the airflow direction; the shock wave balance pipe is connected with the shock wave generating part, the shock wave balance pipe is internally provided with a shock wave generating cavity rear end which is gradually reduced along the airflow direction and a spraying cavity which is communicated with the shock wave generating cavity rear end, and the inner diameter of the spraying cavity is gradually expanded along the airflow direction; the pilot electromagnetic valve is used for accelerating the gas and sequentially jetting the gas through the front end of the shock wave generating cavity, the rear end of the shock wave generating cavity and the jetting cavity; the shock wave balance tube is connected with the charging mechanism. The shock wave transdermal injection instrument can generate shock waves, the shock waves are sonic boom formed by reflecting and focusing sound wave energy, the effect of penetrating through the skin is really achieved through the shock wave gas jet effect, and the shock wave transdermal injection instrument is far superior to the traditional injection instrument.

Description

Cosmetic noninvasive shock wave transdermal injection appearance of using

Technical Field

The application relates to the technical field of cosmetology, in particular to a noninvasive shock wave transdermal injection instrument for cosmetology.

Background

Currently, there are two types of needleless injectors available on the market:

one is to physically perforate the skin with a pharmaceutical liquid using high pressure jets, leaving behind penetrating blood pores on the skin, causing great trauma to the skin and being unusable in the cosmetic industry.

The other type of the traditional Chinese medicine preparation utilizes medium-low pressure atomization spraying, the air flow speed is low, the traditional Chinese medicine preparation is not invasive to the skin, but the capability of penetrating the skin, particularly the stratum corneum in the epidermis layer is weak, even if the depth of the liquid medicine after penetration cannot be controlled, the liquid medicine cannot accurately reach collagen histiocytes which are 1 mm deep from the epidermis, waste is caused, the ideal beautifying effect cannot be achieved, and the market feedback is not good. And the jet speed cannot be improved due to further pressurization on the medium-low pressure atomization jet technology, so that the technical bottleneck is reached.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a shock wave injection instrument which improves the penetrating effect of liquid medicine and is noninvasive to skin under the condition of low pressure.

In order to solve the technical problem, the embodiment of the application provides a cosmetic shock wave transdermal injection device, which comprises a shell, a medicine charging mechanism, a pilot electromagnetic valve, a shock wave generating piece and a shock wave balance tube, wherein the shell is provided with a medicine inlet and a medicine outlet; the charging mechanism, the pilot electromagnetic valve, the shock wave generating piece and the shock wave balance pipe are all arranged on the shell; one end of the pilot-operated electromagnetic valve is communicated with an air source, and the other end of the pilot-operated electromagnetic valve is connected with a shock wave generating piece; the shock wave generating piece is internally provided with a shock wave generating cavity front end which is gradually expanded along the airflow direction; the shock wave balance pipe is connected with the shock wave generating part, the shock wave balance pipe is internally provided with a shock wave generating cavity rear end which is gradually reduced along the airflow direction and a spraying cavity communicated with the shock wave generating cavity rear end, and the inner diameter of the spraying cavity is gradually expanded along the airflow direction; the pilot electromagnetic valve is used for accelerating the gas and sequentially jetting the gas through the front end of the shock wave generating cavity, the rear end of the shock wave generating cavity and the jetting cavity; the shock wave balance pipe is connected with the charging mechanism.

In the technical scheme, further, the shock wave generating piece is provided with a piston sealing cavity, a transition cavity and a shock wave generating cavity front end which are sequentially communicated; the piston sealing cavity is used for being connected with the pilot-operated electromagnetic valve in an adaptive mode.

In the above technical solution, further, the piston seal cavity is provided with a tapered surface that gradually shrinks along the airflow direction.

In the above technical solution, further, an external thread is formed on an outer wall of one end of the shock wave generating member, and an internal thread interface adapted to the external thread is provided on the pilot type solenoid valve.

In the above technical scheme, further, the shock wave balance tube is detachably connected with the shock wave generating piece, the shock wave generating piece is provided with a step-shaped plugging position, one end of the shock wave balance tube is provided with a step structure, and the step structure is installed on the plugging position.

In the above technical solution, further, the injection cavity is a conical surface, and an included angle between an axis of the conical surface and a tangent plane of the conical surface is greater than 0 ° and less than 10 °.

In the above technical solution, further, a throat portion is provided at a junction of the rear end of the shock wave generation chamber and the ejection chamber in the shock wave balance tube, and the throat portion is communicated with an injection hole for delivering the drug.

In the above technical scheme, further, the powder charging mechanism comprises an injection needle tube, a driving mechanism and a transmission mechanism, wherein the driving mechanism acts on the injection needle tube through the transmission mechanism to control the powder discharging action.

In the above technical solution, further, the mobile terminal further includes a supporting member, and the housing is detachably disposed on the supporting member.

In the above technical solution, further, the pilot-operated solenoid valve is used to instantaneously accelerate the gas to 350-450 m/s.

In the above technical scheme, further, in order to enhance the sealing performance after the shock wave balance tube is replaced, the expansion cavity is provided with a step-shaped insertion position, one end of the shock wave balance tube is provided with a step, and the step structure is installed on the insertion position.

Compared with the prior art, the technical scheme of the embodiment of the application has the following beneficial effects:

the assembly for generating shock wave energy under low pressure can generate shock waves while generating high-speed gas jet, and the shock waves are generated by reflecting and focusing energy on ultrasonic waves and forming sonic boom at a focus, namely can generate shock wave high-speed jet. The atomized liquid medicine macromolecule particles really reach the penetration of skin, particularly epidermis cuticle through shock wave gas jet effect, and the principle is completely different from that of the traditional transdermal injection instrument.

Based on the above, the assembly for generating shock wave energy also generates ultrahigh-speed airflow, but the pressure is relatively small, so that the skin is less damaged, fine blood pores are not left, and noninvasive beauty can be realized; meanwhile, the ultrahigh-speed airflow can also improve the atomization capacity of macromolecular liquid medicine, so that the cell penetrating capacity is improved, more medicines can be accurately conveyed to collagen histiocytes about 1 mm away from the epidermis and penetrate cell walls, the absorption rate of the medicines is improved, and the beautifying effect is improved.

Drawings

FIG. 1 is a schematic structural diagram of a device for penetrating a liquid drug through skin according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a device for delivering a liquid drug through the skin according to an embodiment of the present disclosure;

FIG. 3 is a cross-sectional view of a shock wave generating member according to an embodiment of the present application;

FIG. 4 is a cross-sectional view of a shock tube according to an embodiment of the present disclosure;

fig. 5 is a schematic diagram of a shock wave generating element and a shock wave balance tube according to an embodiment of the present disclosure.

Reference numerals:

1-a pilot operated solenoid valve; 2-a shock wave generating member;

21-piston seal chamber; 22-a transition chamber;

23-front end of shock wave generating cavity; 24-external threads;

25-a conical surface; 26-sealing rubber ring;

3-a shock wave balance tube; 31-the rear end of the shock wave generating cavity;

32-throat; 33-a flare portion;

34-a mounting groove; 35-step structure;

36-an injection hole;

4-gas tubing; 5-a shell;

6-a medicine charging mechanism; 7-liquid medicine pipe fitting.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description 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 of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting 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 present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1 to 5, the shock wave transdermal injection device for beauty provided by the embodiment of the present application includes a housing 5, a medicine charging mechanism 6, a pilot electromagnetic valve 1, a shock wave generating member 2, and a shock wave balance tube 3; the shell 5 provides space for installing other components and provides protection, and the charging mechanism 6, the pilot-operated solenoid valve 1, the shock wave generating piece 2 and the shock wave balance pipe 3 are all installed on the shell 5.

The shock wave generating piece 2 is internally provided with a shock wave generating cavity front end 23;

the shock wave generating piece 2 is provided with a piston sealing cavity 21, a transition cavity 22 and a shock wave generating cavity front end 23 which are sequentially communicated; the front end 23 of the shock wave generating cavity is gradually expanded along the airflow direction; the piston seal cavity 21 is used for being connected with a pilot-operated electromagnetic valve in a matching mode.

Specifically, the pilot-operated solenoid valve comprises a main valve and a pilot valve, wherein the pilot valve is communicated with the main valve through an inner cavity and is used for driving the main valve to move and driving the metal piston to act.

The piston seal cavity 21 is provided with a tapered surface 25 which gradually shrinks along the airflow direction, the main valve of the pilot type electromagnetic valve drives the metal piston, and the outer wall of the metal piston is tightly attached to the tapered surface 25 made of metal materials, so that air leakage cannot occur. The sealing system is designed precisely and cannot include traditional sealing modes such as a rubber ring and the like.

In the above technical solution, the pilot-operated solenoid valve further has a set of independent software control system, performs parameter fine adjustment on hardware matching error in the shock wave generator, and sets a set of algorithm for controlling exhaust back pressure, skin penetration depth effect, and the like.

The shock wave balance pipe 3 is connected with the shock wave generating part 2, the shock wave balance pipe 3 is internally provided with a shock wave generating cavity rear end 31 which is gradually reduced along the airflow direction and a spraying cavity 33 communicated with the shock wave generating cavity rear end, and the inner diameter of the spraying cavity 33 is gradually expanded along the airflow direction;

the inlet end of the pilot-operated solenoid valve 1 is communicated with a gas source by a gas pipe fitting 4, and the pilot-operated solenoid valve 1 is used for sequentially injecting low-pressure gas into the front end 23 of the shock wave generating cavity, the rear end 31 of the shock wave generating cavity and the injection cavity 33 within preset time.

The throat part of one end of the shock wave balance tube 3 close to the shock wave generating piece 2 is communicated with a medicine injection hole 36 for delivering the medicine, and the medicine injection hole is connected with the medicine charging mechanism 6. The charging mechanism 6 is communicated with the injection hole of the shock wave balance tube 3 through a liquid medicine tube 7.

The medicine charging mechanism 6 is used for containing medicine liquid and injecting the medicine liquid into the throat.

Preferably, the charging mechanism 6 may be an injection needle tube, and a driving motor and a transmission mechanism are arranged behind the charging mechanism, specifically, an injection push rod of the injection needle tube is connected with the driving motor through the transmission mechanism, and the transmission mechanism may be a transmission structure of a gear and a rack, or a screw transmission structure. Of course, without limitation, the injection plunger of the injection needle cannula may also be directly connected to a drive device, such as a pneumatic cylinder, and may also be capable of forward and reverse movement.

The working principle of the injection instrument hand tool is as follows:

the low-pressure gas is instantaneously flushed out by the pilot-operated solenoid valve 1, namely the formed low-pressure gas, the gas is expanded and pressurized in the shock wave generating cavity, and meanwhile, the conical surface of the shock wave generating cavity focuses the divergent sonic boom to form the sonic boom facing to the single direction of the inlet end of the shock wave balance tube 3, so that the sonic boom finally ejected from the shock wave balance tube 3 reaches the maximum energy.

The shock wave gas jet flow from the shock wave generating cavity firstly enters the tapering section of the spraying cavity of the shock wave balancing tube 3, the tapering section is sequentially and smoothly communicated with the shock wave generating cavity to form the finished shock wave generating cavity, when the shock wave gas jet flow is sprayed from the complete shock wave generating cavity and suddenly shrinks at the throat part 32 to generate high-energy focusing shock waves, a liquid medicine is introduced into the injection hole above the throat part 32, the liquid medicine is injected into the corresponding dosage in the hole once percussion and is rapidly atomized into nano molecules, the pressure of the nano atomized liquid medicine carried by the shock wave gas jet flow from the throat part 32 is reduced through the expanding section, the shock wave energy and sonic boom are kept unchanged at the moment, namely, low-pressure ultrahigh-speed airflow finally flows out from the shock wave balancing tube 3, and the atomized medicine flowing at ultrahigh speed penetrates through the skin and penetrates through collagen cell membranes to enter cells to finish the medicine delivery, and the needleless medicine delivery is also realized.

Therefore, the injection instrument hand tool can generate shock waves while generating shock wave airflow, the shock waves reflect and focus energy of sonic boom, and the effect of penetrating through skin can be really achieved.

Based on the above, this injection appearance hand utensil can produce the air current of super high-speed, and is littleer to the skin damage, can not leave tiny blood hole, and the air current of super high-speed simultaneously can also promote the ability of penetrating the cell for more medicines can get into the cell, also make more medicines can reach the depths of skin, have promoted the absorption rate to the medicine, and then have promoted skin care effect.

In this embodiment, preferably, as shown in fig. 4, the ejection chamber includes a shock wave generation chamber rear end 31, a throat portion 32, and an ejection chamber 33 connected in this order, and the shock wave generation chamber rear end 31 is disposed near a side of the shock wave generation chamber.

According to the structure described above, the rear end of the shock wave balance tube 3 is the shock wave generation cavity rear end 31, and forms a complete shock wave generation cavity with the shock wave generation cavity front end 21, the conical surface of the complete shock wave generation cavity focuses the divergent sonic boom waves to form sonic boom waves facing to the single direction of the inlet of the shock wave balance tube 3, so that the sonic boom waves at the outlet of the shock wave balance tube 3 reach the maximum energy, and are convenient for penetrating the cell membrane of the cells of the skin.

The middle of the shock wave balance tube 3 is a throat 32, shock wave gas from the complete shock wave generation cavity suddenly shrinks at the throat 32 to generate high-energy focused shock waves, a liquid medicine is introduced into an injection hole above the throat 32, and the liquid medicine can be injected into the corresponding dosage in the hole once triggered, and is rapidly atomized into nano molecules.

The front end of the shock wave balance tube 3 is a jet cavity 33, namely an expansion area, the pressure of shock wave gas which is discharged from the throat 32 and carries nano atomized liquid medicine can be reduced through the expansion area, the speed and sonic boom of the shock wave gas are kept unchanged at the moment, and the purpose of reducing the pressure is achieved, so that the damage to the skin and a human body caused by the pressure of the gas is mainly avoided, and the injection instrument is safer and more reliable to use.

In this embodiment, the pilot-operated solenoid valve 1 is preferably opened for 15ms to 20ms, achieving quick opening, and by a very short time, generating a high-speed airflow.

In this embodiment, the pilot-operated solenoid valve 1 preferably includes a main valve and a pilot valve, which are connected by a valve body inner chamber, and further preferably, the pilot-operated solenoid valve 1 is a pilot-operated solenoid valve, and other components are: movable iron core, static iron core, electromagnetic valve coil, spring, etc. When the pilot-operated solenoid valve is electrified, the valve rod is lifted by the electromagnetic force, the pilot valve port is opened, the upper cavity of the solenoid valve is relieved by the pilot hole at the moment, low-high differential pressure is formed around the main valve core, and the fluid pressure pushes the main valve core to move upwards to open the main valve port under the action of the differential pressure; when the power is cut off, under the action of spring force and gravity of the main valve core, the valve rod is reset, the pilot hole is closed, the main valve core moves downwards, and the main valve port is closed; the pressure of the upper cavity of the electromagnetic valve is increased, and the fluid pressure pressurizes the main valve core, so that the sealing is better. Through reasonable structural design and on-off control, low-pressure gas is formed. Note also that the spring and piston pair of the main valve are closely related to the control energization time, which has a large influence on the sound velocity.

The gas emitted by the main valve enters the shock wave generating cavity, sonic boom is formed in the shock wave generating cavity and enters the shock wave balance tube 3 through reflection, and the shock wave further forms directional high-energy focusing shock wave and shock wave airflow in the shock wave balance tube 3.

Wherein, the design basis of shock wave generating cavity and shock wave balance tube 3: the prandtl-Mei Yejiao function calculation is as follows:

m-the flow velocity of the gas flow, v-the deflection angle of the gas flow along the inner wall of the tube, and a gamma-constant (the parameters affecting the heat capacity ratio of the gas, such as the air temperature).

Note that: the design of the shock wave generating cavity has great influence on whether sonic boom can be formed; the design of the shock wave balance tube 3, especially the back end 31 of the shock wave generating cavity, has great influence on the correct focusing of the shock wave, so the design is important.

In this embodiment, preferably, as shown in fig. 3, the shock wave generating member 2 is screwed with the pilot type solenoid valve 1.

According to the structure described above, the shock wave generator 2 and the pilot-operated solenoid valve 1 adopt a detachable connection structure, which facilitates the installation and disassembly, thereby facilitating the later operation and maintenance.

Preferably, an external thread 24 is formed on the outer wall of one end of the shock wave generating member 2, and the pilot-operated solenoid valve 1 is formed with a port with an internal thread, so that the shock wave generating member 2 and the pilot-operated solenoid valve 1 are in threaded connection.

Preferably, the outer wall of the shock wave generating piece 2 is stepped and staggered, and interference and collision with the pilot type electromagnetic valve 1 can be avoided.

In this embodiment, preferably, as shown in fig. 3 and 4, the shock wave balance tube 3 is inserted into the shock wave generating member 2, specifically, the shock wave generating member 2 is formed with a transition cavity 22 and a gradually expanding shock wave generating cavity front end 23, and the transition cavity 22 is a circular cavity for inserting the shock wave generating member 2; the shock-generating chamber front end 23 provides sufficient installation space for installing the shock-balancing tube 3.

A sealing ring which is described below is fixedly arranged on the periphery of one end of the shock wave balance tube 3, specifically, an installation groove 34 is arranged on the periphery of one end of the shock wave balance tube 3, and the sealing ring is arranged in the installation groove 34;

the one end that is provided with the sealing washer of shock wave balance tube 3 is inserted in the transition chamber 22 of piece 2 takes place for the shock wave to realized that the equipment of piece 2 and shock wave balance tube 3 takes place for the shock wave, notice moreover, the tip of shock wave balance tube 3 forms the grafting structure of step platform, such benefit lies in, step structure 35 and shock wave take place 2 offsets and lean on, play the spacing effect of piece 3 takes place for the shock wave.

Preferably, the outer wall of the arrangement member is cylindrical and has a regular shape, which facilitates processing.

In this embodiment, a sealing ring is preferably provided between the shock wave generator 2 and the shock wave balance tube 3.

According to the structure described above, the sealing ring structure is arranged between the shock wave generating member 2 and the shock wave balance tube 3, so that leakage is prevented, and the air velocity is ensured.

Wherein, preferably, the sealing ring is an O-shaped ring.

In this embodiment, preferably, as shown in fig. 1 and 2, the injection instrument hand piece further includes a gas pipe 4, and the gas pipe 4 is connected to the pilot-operated solenoid valve 1.

According to the structure described above, one end of the gas pipe 4 away from the pilot-operated solenoid valve 1 is used to connect to a low-pressure gas source, and the pressure of the gas source may be 0.7MPa, which is not limited to this, and may be selected according to actual needs.

In addition, the type of the gas source can be various, for example, the gas source can be an air source, a nitrogen source or a helium source, and the gas source can be provided with a pressure regulating valve for output pressure regulation so as to achieve the best effect.

Wherein, preferably, both ends of the conveying and replacing part are provided with joints, and the gas pipe 4 is respectively connected to the gas source and the pilot-operated solenoid valve 1 through the two joints.

In this embodiment, preferably, the shock transdermal injection apparatus further includes a support member to which the housing 5 is detachably provided.

Based on the structure described above, the shock wave transdermal injection device can be placed on the supporting member, so as to avoid direct contact with a table top, and be cleaner and more sanitary.

The support member may be a support frame formed with a U-shaped opening, and the gun body portion may be set up in the U-shaped opening.

Although the present application is disclosed above, the present application is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present disclosure, and it is intended that the scope of the present disclosure be defined by the appended claims.

Claims (10)

1. A cosmetic noninvasive shock wave transdermal injection instrument is characterized by comprising a shell, a medicine charging mechanism, a pilot electromagnetic valve, a shock wave generating piece and a shock wave balance tube; the charging mechanism, the pilot electromagnetic valve, the shock wave generating piece and the shock wave balance pipe are all arranged on the shell; one end of the pilot-operated electromagnetic valve is communicated with an air source, and the other end of the pilot-operated electromagnetic valve is connected with a shock wave generating piece; the shock wave generating piece is internally provided with a shock wave generating cavity front end which is gradually expanded along the airflow direction; the shock wave balance pipe is connected with the shock wave generating part, the shock wave balance pipe is internally provided with a shock wave generating cavity rear end which is gradually reduced along the airflow direction and a spraying cavity communicated with the shock wave generating cavity rear end, and the inner diameter of the spraying cavity is gradually expanded along the airflow direction; the pilot electromagnetic valve is used for controlling gas to be sequentially sprayed through the front end of the shock wave generating cavity, the rear end of the shock wave generating cavity and the spraying cavity; the shock wave balance pipe is connected with the charging mechanism.

2. The beauty noninvasive shock wave transdermal injection instrument according to claim 1, characterized in that the shock wave generating member is provided with a piston seal cavity, a transition cavity and a shock wave generating cavity front end which are communicated in sequence; the piston sealing cavity is used for being connected with the pilot-operated electromagnetic valve in an adaptive mode.

3. The apparatus according to claim 2, wherein the piston chamber is provided with a tapered surface which gradually shrinks in the direction of the air flow.

4. The beauty noninvasive shock wave transdermal injection instrument according to claim 1 or 3, characterized in that an external thread is formed on the outer wall of one end of the shock wave generating member, and the pilot-operated solenoid valve is provided with an internal thread interface adapted to the external thread.

5. The beauty noninvasive shock wave transdermal injection instrument according to claim 2, characterized in that the shock wave balance tube is detachably connected with a shock wave generating member, the shock wave generating member is provided with a step-shaped insertion position, one end of the shock wave balance tube is provided with a step structure, and the step structure is installed on the insertion position.

6. The apparatus of claim 1, wherein the injection chamber is a conical surface, and an angle between an axis of the conical surface and a tangent plane of the conical surface is greater than 0 ° and less than 10 °.

7. The beauty noninvasive shock wave transdermal injection instrument according to claim 1, characterized in that a throat part is arranged at the connection part of the rear end of the shock wave generating cavity and the ejection cavity in the shock wave balancing tube, and the throat part is communicated with an injection hole for delivering drugs.

8. The beauty noninvasive shock wave transdermal injection instrument according to claim 1, characterized in that the drug charging mechanism comprises an injection needle tube, a driving mechanism and a transmission mechanism, the driving mechanism acts on the injection needle tube through the transmission mechanism to control the drug discharging action.

9. The beauty noninvasive shock wave transdermal injection apparatus according to claim 1, further comprising a support member to which the housing is detachably provided.

10. The beauty noninvasive shock wave transdermal injection apparatus according to claim 1, wherein the flow rate of the gas passing through the pilot type solenoid valve is 350 to 450 m/s.

Images