CN215231575U

CN215231575U - Microneedle patch leading-in device

Info

Publication number: CN215231575U
Application number: CN202121485162.0U
Authority: CN
Inventors: 杨泽宇; 郭仪; 杨柏超; 周顺
Original assignee: Flexible Core Cloud Zhuhai Technology Co ltd
Current assignee: Flexible Core Cloud Zhuhai Technology Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-12-21
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a microneedle patch lead-in device, which comprises at least one lead-in surface used for pressing a microneedle patch into skin and a liquid injection mechanism; the liquid outlet part of the liquid injection mechanism can output the solvent to the dissolvable substrate or the leading-in surface of the microneedle patch and the pressing surface of the microneedle patch or the human skin; the effect of dissolving the microneedle substrate can be realized, the microneedle can be guided into the skin and then is designed based on the position of a mechanical structure, the solvent is accurately output to the corresponding part of the microneedle patch needing to be dissolved, the solvent output quantity can be preset in the device, the discomfort caused by the fact that too much solvent is attached to the skin is avoided, and the situation that the microneedle cannot be smoothly remained in the skin due to insufficient dissolution of a dissolved part caused by too little solvent can be avoided.

Description

Microneedle patch leading-in device

Technical Field

The utility model belongs to the technical field of the micropin paster, especially, relate to a micropin paster gatherer.

Background

The micro needle is used as a novel drug delivery system, the action mechanism of the micro needle is that the needle body of the micro needle penetrates the stratum corneum on the surface of the skin of a human body to penetrate into the skin to a certain depth, and a micro pore channel formed in the puncturing process is used for delivering drugs and other macromolecular substances to a specific part, so that the skin is promoted to be permeated and absorbed, the barrier effect of the stratum corneum is overcome, and the micro needle becomes a safe, efficient and painless novel transdermal means in the field of medical treatment and cosmetology at present. The existing microneedles mainly comprise various types such as metal microneedles, silicon dioxide microneedles and polymer microneedles through material classification, but the safety problems such as skin inflammation and allergy are easily caused by the skin channel formed by the existing metal microneedles and the silicon dioxide microneedles, so that the polymer microneedles are wider in application range in the fields of medical administration and beauty. The hyaluronic acid micro needle uses hyaluronic acid as a substrate to form a needle body and a base, has hydrophilicity, biocompatibility, permeability and moisture retention, and is the most common beauty component in the field of beauty. Generally, the hyaluronic acid micro-needle acts on the surface of human skin in a patch form, and the hyaluronic acid needle body is retained below the skin stratum corneum by pressing and puncturing the skin stratum corneum with the force of hands.

Microneedles can be removed by dissolving the matrix/substrate of the microneedles after being pressed into the skin, but the conventional dissolving method is realized by adding a solvent to the microneedle patch position manually after being pressed, the position cannot be found conveniently and the solvent addition amount is not easy to master if a user adds the solvents by himself, so that the comfort is poor in the use process, the solvent addition amount is not suitable to cause insufficient dissolution of the soluble substrate, the substrate cannot be removed smoothly, or the solvents flow through the face too much to cause further discomfort.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an one of the purpose lies in at least, to how to overcome the problem that above-mentioned prior art exists, provides a micropin paster gatherer, and the device can be in proper amount solvent of automatic injection behind the leading-in skin of micropin, gets rid of the micropin basement smoothly, and the simple operation has improved user's comfort.

In order to achieve the above object, the present invention adopts a technical solution including the following aspects.

The utility model discloses a micro-needle patch leading-in device, which comprises at least one leading-in surface used for pressing a micro-needle patch into skin and a liquid injection mechanism; the liquid outlet part of the liquid injection mechanism can output the solvent to the dissolvable substrate or the leading-in surface of the microneedle patch and the pressing surface of the microneedle patch or the human skin. Based on above-mentioned structural design, the utility model discloses a micropin paster gatherer can be with the corresponding solvent of interpolation of annotating liquid mechanism to the micropin paster behind the leading-in skin of micropin, this solvent can directly add on the basal plane of micropin paster or via other parts that soak or directly flow through to the basement via skin and dissolve the reaction in order to dissolve with the basement, thereby the realization is got rid of the basement and is made the micropin that has cosmetic effect can be stayed in the skin and absorbed, reach cosmetic effect, its simple operation, can let the user have good use comfort.

The utility model discloses a microneedle paster gatherer's play liquid portion can combine integrative the use with the leading-in face for overall structure is simple, and the leading-in device compact structure is good, goes out the direct leading-in face of liquid portion simultaneously and can make the solvent of its output can directly act on evenly dissolve with it on microneedle paster basement, has guaranteed that good dissolving gets rid of the effect of basement. Certainly also can set up out liquid portion in the optional position that can add the solvent to micropin paster basement, the utility model discloses a structure of liquid portion has following two kinds of schemes:

in one scheme, the liquid outlet part is arranged on the guide-in surface, and the water outlet end of the liquid outlet part and the guide-in surface are positioned on the same plane.

Furthermore, the liquid outlet part consists of a plurality of liquid outlet holes, and the liquid outlet holes are uniformly distributed on the lead-in surface.

Based on above-mentioned structural design, go out liquid portion and leading-in face and keep can guaranteeing the pressfitting degree of leading-in face and micropin paster on same face, guarantee as far as possible that the micropin paster can receive even effort to make the leading-in skin that the micropin can be complete smooth, avoid appearing the cracked condition of needle body or the leading-in not good problem of micropin to take place.

Furthermore, an elastic rubber water nozzle is arranged in each liquid outlet hole. The preferable silica gel water nozzle, because rubber is heat-resisting and difficult corruption, can guarantee its long-term good result of use, and elasticity rubber water nozzle can go out water under certain water pressure to water pressure closes the delivery port based on self elasticity when disappearing, consequently can guarantee the dry clean after ration goes out water, thereby prevents to remain the installation use of moisture influence microneedle paster next time.

In another scheme, the liquid outlet part is an atomizing part which is arranged at a certain interval relative to the lead-in surface and can move along with the lead-in surface; the leading-in surface is of a net structure.

Furthermore, a plurality of nanometer apertures are arranged on the atomization piece and used for spraying atomized liquid.

Furthermore, the surface of the nanometer-scale aperture on the atomization piece is an arc surface protruding towards one side of the guiding surface.

The liquid outlet part outputs liquid in an atomizing mode and is arranged at a certain distance from the leading-in surface, so that the solvent can be smoothly dissolved to the microneedle patch substrate through atomization, meanwhile, the volatilization of the solvent in the mechanism can be accelerated, the dryness of the mechanism is ensured, and the influence on the next normal use is avoided; in addition, the solvent atomization mode can also avoid the discomfort of the user caused by the solvent flowing through the skin all around.

Furthermore, the microneedle patch also comprises an introduction rod, wherein the introduction rod is connected with an introduction body, and the introduction surface is a surface of the introduction body, which is pressed with the microneedle patch.

Further, the leading-in body can be pushed for a plurality of times within preset time under the action of the driving motor, and the micro-needle is led into the skin of the human body.

Further, the driving motor is a screw rod stepping motor or an ultrasonic motor.

Based on above-mentioned structure, the micropin paster of this device can promote the micropin in order leading-in to skin many times in the predetermined time under the effect of motor, compares like the prior art condition, and the leading-in mode of this device can the painful sense of greatly reduced micropin leading-in-process to can reduce the damage degree of micropin to skin, make skin can restore fast after absorbing the micropin, realize good cosmetic effect.

In conclusion, owing to adopted above-mentioned technical scheme, the utility model discloses following beneficial effect has at least:

1. this neotype micropin leading-in device simple structure, with solvent output and leading-in integrated structure design, it is convenient to use, easy operation has good use and feels, can guarantee that the leading-in effect of micropin reduces the unnecessary damage to skin simultaneously as far as.

2. This device can realize dissolving the effect of micropin base from the area, can be based on mechanical structure's position design after the microneedle is introduced into skin and is accomplished, and the accurate corresponding position output solvent to the micropin paster that needs dissolve to can predetermine solvent output volume in the device, avoid too much solvent to attach uncomfortable sense on skin, thereby also can avoid too little solvent to lead to being dissolved the partial condition emergence that leads to the micropin can not stay in the skin smoothly by dissolving inadequately.

3. The utility model discloses a micropin paster gatherer pushes down the needle body with the micropin paster to pierce subcutaneously through applying mechanical physics to the micropin paster, be favorable to reducing the resistance of skin stratum corneum to needle body skin when inserting, reach and realize a lot of mechanical promotion/press down in the short time, thereby make the micropin can slow entering skin, and except can slowing down the pain in the pushing-in process and can also reduce the damage of micropin to skin, deepen needle body gets into the degree of depth under the skin, and then can also improve human skin's recovery efficiency when can guarantee good cosmetic effect.

Drawings

Fig. 1 is a schematic diagram of a microneedle patch delivery device according to the present invention;

fig. 2 is a schematic block diagram of another embodiment of a microneedle patch delivery device according to the present invention;

fig. 3 is a schematic block diagram of a microneedle patch delivery device according to yet another embodiment of the present invention;

fig. 4 is a schematic block diagram illustrating the structure of yet another embodiment of a microneedle patch delivery device according to the present invention;

FIG. 5 is an enlarged partial view at A of FIG. 3;

FIG. 6 is an enlarged partial view at B in FIG. 3;

fig. 7 is a schematic structural view of a microneedle patch mounting portion in a microneedle patch introduction device according to the present invention;

fig. 8 is a structural view of a microneedle patch;

fig. 9 is a schematic structural view of the microneedle patch in a state of being mounted and coupled to the mounting portion thereof.

The labels in the figure are: the device comprises a shell 1, a limiting barrel 2, a leading-in rod 3, a leading-in body 4, a liquid outlet 5, a liquid conveying pipe 6, a liquid storage tank 7, a motor 8, a mounting part 9, a clamping groove 901, a through groove 902, a spray hole 903, a microneedle patch 10, a base 101, a mounting lug 102, an atomizing part 11 and mist 12.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and embodiments, so that the objects, technical solutions and advantages of the present invention will be more clearly understood. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 to 9, a microneedle patch introduction device includes a device having at least one introduction face for pressing a microneedle patch 10 into the skin, and an injection mechanism; the liquid outlet part 5 of the liquid injection mechanism can output the solvent to the dissolvable substrate 101 or the pressing surface of the leading-in surface of the microneedle patch 10 and the microneedle patch 10 or the human skin, namely the solvent can be directly output to any position of the substrate 101, the solvent can be output through the surface of the substrate 101 far away from the human skin and in contact with the leading-in surface, the solvent can be output from the human skin, and the purpose of the scheme is that the solvent can directly or indirectly reach the substrate 101 to be dissolved. The specific solvent depends on the substance of the substrate 101 used, such as: the substrate 101 may be one or more of polyvinyl alcohol PVA, PVP, hyaluronic acid, sodium alginate, pullulan, dextran, and the like, and the solvent may be water or ethanol directly or water and ethanol.

The liquid injection mechanism of the device comprises a liquid storage tank 7, a liquid conveying pipe 6 and a liquid outlet part 5 which are connected in sequence; the liquid outlet part 5 is arranged on the leading-in surface, the liquid inlet end of the liquid outlet part 5 is connected to a liquid storage tank 7 through a liquid conveying pipe 6, as shown in fig. 1 and fig. 2, the liquid storage tank 7 and the liquid conveying pipe 6 can be arranged inside and outside the leading-in mechanism of the device or partially combined, or can be arranged outside the device to realize a detachable structure (not shown) and the like, and the installation of the structure position does not influence the device; as shown in fig. 4 to 9, an annular through groove 902 is formed on a sidewall of the mounting portion 9 of the microneedle patch 10 for adding a liquid injection port at any position of the mounting portion 9, so that the added solvent can fill the entire annular through groove 902, and at this time, a plurality of nozzle holes 903 are further formed on the side of the annular through groove 902 close to the microneedle patch 10, and after the introduction body 4 is separated from the microneedle patch 10, the nozzle holes 903 can spray the solvent liquid onto the base 101 of the microneedle patch 10. The infusion tube 6 may be formed of a flexible bellows tube.

When the outlet portion 5 of the microneedle patch introducing apparatus of the present embodiment is preferably disposed on the introducing surface, the outlet end and the introducing surface are located on the same plane or slightly embedded in the introducing surface, so as to ensure good uniform pressing force on the microneedle patch 10 and prevent the subsequent infusion end from being blocked by the base 101 of the microneedle patch when delivering a solvent, thereby preventing the subsequent infusion end from affecting the normal use thereof. The liquid outlet part 5 consists of a plurality of liquid outlet holes which are uniformly arranged on the lead-in surface. In order to prevent the solvent from remaining after being output every time, the liquid outlet holes in the device are designed into a structure which can be opened under certain water pressure, the water pressure is not too high, and the discomfort of a user caused by too high water pressure is prevented, wherein the water pressure depends on the performance of specific parts of the liquid outlet holes, in the embodiment, the liquid outlet holes are all internally provided with elastic rubber water nozzles for realization, and the liquid outlet holes are further provided with silica gel water nozzles with certain elastic contractibility for realization, the solvent can be output under slight water pressure, after the output is stopped, the self contractive force can be closed, and the situation that the device and the microneedle patch 10 are installed and used for the next time due to the influence of the outflow of the possibly remaining solvent is prevented; further preferably, the structure of the liquid outlet hole is arranged to be a horn-shaped structure which expands downwards, the liquid outlet hole comprises a tightening part and an expanding part at the moment, the expanding part is close to one side in contact with the microneedle patch, the elastic rubber water nozzle can be arranged to be the same structure matched with the liquid outlet hole, and can be preferably arranged only at the tightening part, and the structural design of the liquid outlet hole is used for increasing the liquid outlet amount and the contact area of the liquid outlet amount and the microneedle patch substrate 101, so that normal liquid outlet, enough liquid outlet amount can be ensured, and rapid dissolution of the microneedle patch substrate 101 can be accelerated.

In addition, the device can also spray the solvent to the microneedle patch 10 by atomizing the solvent, and a specific atomizing mechanism can adopt the conventional atomizing mode, such as the structural principle of the existing nano-atomizer, in the embodiment, only the structural part combined with the lead-in body 4 is shown in a schematic diagram form, as shown in fig. 3, an atomizing part 11 is further arranged in the lead-in body 4, the atomizing part 11 and the solvent can be atomized under the action of the atomizing mechanism, the atomizing part 11 and the bottom surface (lead-in surface) of the lead-in body 4 keep a certain distance, and the distance is based on effectively preventing the aggregation of fine mist 12, so that the microneedle patch substrate 101 surface capable of keeping the liquid has a good atomizing effect; the leading-in surface is of a net structure so as to facilitate the mist 12 to be dissolved on the microneedle patch substrate 101, and can be of a detachable structure so as to facilitate the detachment and cleaning of the surface, and the detachment and connection can be realized by conventional threaded connection or clamping connection and the like; and then need reach nanometer aperture to the play liquid hole on the atomizing piece 11 (can be atomizing piece or transducer) and come the preparation, the nanometer aperture face of atomizing piece 11 can be protruding to leading-in face a little, increase the action area of fog 12, can further disperse fog 12 simultaneously and avoid gathering into liquid, its area of volatilizing with higher speed, adopt atomizing mode can be based on the fast reason of fog 12 after its atomization effect volatilizees after exporting the solvent, make whole notes relevant part of liquid can both volatilize the drying fast, from not influencing next use, and fog 12 after the atomizing also can volatilize simultaneously even act on human skin, the accumulation of liquid has significantly reduced, avoid the uncomfortable sense that the liquid flow through skin appears everywhere.

The microneedle patch leading-in device of the embodiment further comprises a leading-in rod 3, the leading-in rod 3 is connected with a leading-in body 4, the leading-in rod 3 linearly moves under the action of a driving motor 8, the leading-in body 4 and the farthest end of the leading-in rod 3 are close to one side of the microneedle patch 10 mounting part 9, and the leading-in surface is a surface pressed with the microneedle patch 10 on the leading-in body 4. The leading-in body 4 of the device can be pushed for a plurality of times within preset time under the action of the driving motor 8, and leads the micro-needle into the skin of a human body. The driving motor 8 is a screw stepping motor 8 or an ultrasonic motor 8, and in order to realize the above mechanical actions of the device, the related driving device (motor), controller, button, atomizing device and other conventional operating means are used to start and stop the mechanism, transport the liquid of the liquid injection mechanism, atomize the solvent, and the like, and the embodiment will not be further described here.

The utility model discloses a microneedle paster leading-in device's use: the mounting ear 102 of the microneedle patch 10 is aligned with the mounting part 9, the mounting ear 102 can be placed in the mounting part 9, then the microneedle patch 10 is rotated to enable the mounting ear 102 to be screwed into the clamping groove 901 of the mounting part 9, thus the microneedle patch 10 can not fall off, then one side of a microneedle of the microneedle patch 10 is placed on the skin needing to be led in the microneedle, the motor 8 of the leading-in mechanism is driven, the leading-in rod 3 is pressed towards the skin pressing direction for multiple times in the preset time in the same direction to push the microneedle to be completely led into the skin and then to be stopped to be pressed, at the moment, the liquid injection mechanism is started, the solvent is output (the output quantity of the solvent can be controlled by the controller) to the microneedle patch base 101, the solvent is contacted with the microneedle patch base 101 to be dissolved, the microneedle patch leading-in device is taken down, the dissolved liquid is slightly wiped off, at the moment, the leading-in of the microneedle is finished, and the microneedle can be absorbed by the skin to improve the skin, achieving the effect of beautifying.

The above description is only for the purpose of illustrating the embodiments of the present invention, and not for the purpose of limiting the same. Various substitutions, modifications and improvements may be made by those skilled in the relevant art without departing from the spirit and scope of the invention.

Claims

1. A microneedle patch introducing device is characterized by comprising at least one introducing surface for pressing a microneedle patch into skin and an injection mechanism; the liquid outlet part of the liquid injection mechanism can output the solvent to the dissolvable substrate or the leading-in surface of the microneedle patch and the pressing surface of the microneedle patch or the human skin.

2. The microneedle patch delivery device according to claim 1, wherein the outlet is provided on the delivery surface, and the outlet end is flush with or embedded in the delivery surface.

3. A microneedle patch lead-in device according to claim 2, wherein the liquid outlet portion is composed of a plurality of liquid outlet holes, and the liquid outlet holes are uniformly arranged on the lead-in surface.

4. The microneedle patch introducing device according to claim 3, wherein an elastic rubber water nozzle is provided in each of the liquid outlet holes.

5. The microneedle patch delivery device according to claim 1, wherein the outlet is an atomizing member, and the atomizing member is fixed to the inlet at a distance from the inlet; the leading-in surface is of a net structure.

6. The microneedle patch delivery device according to claim 5, wherein said atomizing member has a plurality of nano-sized apertures for ejecting the atomized liquid.

7. The microneedle patch delivery device according to claim 6, wherein the surface of the atomizing member having the nano-sized apertures is an arc-shaped surface protruding from the delivery surface.

8. The microneedle patch delivery device according to claim 1, further comprising a delivery rod, wherein the delivery rod is connected to a delivery body, and the delivery surface is a surface of the delivery body to which the microneedle patch is pressed.

9. The microneedle patch delivery device according to claim 8, wherein the delivery body is pushed by the driving motor for a plurality of times within a predetermined time period to deliver the microneedles into the skin of the human body.

10. The microneedle patch introduction device according to claim 9, wherein the driving motor is a lead screw stepping motor or an ultrasonic motor.