CN218420650U - Micro-needle patch based on bionics - Google Patents

Abstract

The utility model discloses a micropin paster based on bionics, including the basement, there is the micropin array on it, the micropin array contains a plurality of syringe needles, and above-mentioned syringe needle includes needle point and needle body, and above-mentioned needle point is for from above-mentioned needle point to the big or small incremental structure of above-mentioned needle body direction multilayer, and every layer is furnished with the sawtooth, and when above-mentioned syringe needle pierces skin, the sawtooth can improve puncture speed, increases area of contact, alleviates the painful sense of patient, improves the liquid medicine absorption effect. The base contains the liquid medicine, and the liquid medicine can be injected into the body to treat diseases through extrusion after the patient is pasted.

Description

Micro-needle patch based on bionics

Technical Field

The utility model belongs to the technical field of the injection is dosed, specifically is a micropin paster based on bionics.

Background

The injection methods in the prior known vaccination methods are mostly divided into subcutaneous injection, intradermal injection and intramuscular injection according to the selection of different needle types, but because of the natural consciousness of safety protection of people on sharp objects, patients can resist the injection methods in the injection process, and even serious patients have uncomfortable symptoms. And the conventional needle type has only a single injection needle, so that it is required to increase the diameter of the needle to increase the flow rate of the liquid medicine, but this may cause the pain of the patient to be aggravated. Patch microneedles are pushed out on this basis.

Although the conventional patch microneedle can reduce the discomfort of a patient facing the needle, the conventional patch microneedle still has a severe pain feeling when penetrating into the skin because the structure of the needle is not different from that of the conventional needle.

SUMMERY OF THE UTILITY MODEL

For solving painful, unwell problem of patient that traditional syringe needle caused in the injection process, the utility model provides a micropin paster based on bionics, this kind of paster micropin combines for bionics and traditional micropin paster, can cut the skin through the sawtooth of needle point when the paster micropin pierces the skin, is used for the syringe needle pierces the skin fast in order to reduce the painful sense of patient. The transmission rate of the liquid medicine is improved.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a micropin paster based on bionics, include: the base has the micropin array on it, the micropin array contains a plurality of syringe needles, the syringe needle includes needle point and needle body, the needle point be from the needle point extremely needle body direction multilayer size increases progressively the structure, and every layer is furnished with the sawtooth, easily pierces through the painful sense of patient of skin reduction.

According to the utility model discloses an embodiment: the needle head is cylindrical and is used for reducing skin wounds.

According to the utility model discloses an embodiment: the microneedle array is arranged in a square mode and used for reducing liquid medicine residues.

According to the utility model discloses an embodiment: the substrate is square for improving the convenience of microneedle patch arrangement.

According to the utility model discloses an embodiment: the base is internally provided with liquid medicine to excessively treat diseases.

The utility model provides a technical scheme, a micropin paster based on bionics, above-mentioned micropin paster bottom is the basement, has the micropin array on it, and above-mentioned micropin array contains a plurality of syringe needles, and above-mentioned syringe needle includes needle point and needle body. The needle point is a multi-layer structure with gradually increased sizes from the needle point to the needle body, and each layer is provided with sawteeth, so that when the needle point penetrates the skin, the sawteeth can accelerate the penetration of the skin, thereby reducing the pain of a patient and increasing the inflow speed of liquid medicine.

Drawings

FIG. 1 is a simple diagram of the micro-needle patch based on bionics

FIG. 2 is a detailed view of the needle head of the micro-needle patch based on bionics

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

This application provides a micropin paster based on bionics, please refer to fig. 1 and fig. 2, fig. 1 shows that the utility model discloses a simple and easy picture, fig. 2 shows that the utility model discloses a 2 detail pictures of syringe needle, include basement 1 at above-mentioned fig. 1, there is the micropin array on above-mentioned basement 1, the micropin array contains a plurality of syringe needles 2, syringe needle 2 in above-mentioned fig. 2 includes needle point 21 and needle body 22, needle point 21 is the multilayer size incremental structure from above-mentioned needle point 21 to above-mentioned needle body 22 direction, every layer is furnished with the sawtooth when syringe needle 2 pierces the skin, thereby can accelerate puncture efficiency and reduce the painful sense of patient. Compared with the traditional needle, the wound cut by the needle 2 is wider, so that the contact area of the liquid medicine can be increased, and the transmission efficiency is improved.

The application provides a micro-needle patch based on bionics, and a using method thereof is as follows: when medical personnel need inject the medicament for the patient, only need to attach the one side that matrix material contains the micropin array on the inoculator skin, because above-mentioned needle point 2 is last to have the sawtooth structure, more rapidly when pricking the skin, the painful sense of patient is lower, extrudees the another side again and can inject the liquid medicine in basement 1 into the patient internal, and the syringe needle material is biocompatible material, can not cause the harm to the human body.

The application provides a micro-needle paster based on bionics, its manufacture process is: the method comprises the steps of pouring photoinitiator and methacrylated gelatin into a 3D printing groove, then introducing three-dimensional modeling of the microneedle patch into printing software, and obtaining the 3D printing microneedle patch after processing.

The application provides a micropin paster based on bionics, its theory of operation is: the substrate 1 is provided with a microneedle array of the needles 2, each needle 2 includes the needle point 21 and the needle body 22 shown in fig. 2, the needle point 21 has a multi-layer structure from the needle point 21 to the needle point 22, and each layer has saw teeth, so that when the needle point 21 pierces the skin, the cutting ability is increased, the piercing speed is increased, and the pain of the patient is relieved.

In summary, according to the technical scheme provided by the application, by the arrangement of the multilayer saw tooth structure of the needle point 21 in fig. 2, the size of the needle point 21 is gradually increased from the needle point 21 to the needle body 22, the technical problems that a patient feels fear to a traditional needle in the process of using a patch microneedle and the patient feels severe pain in the process of puncturing are solved, and therefore the technical effects of increasing the puncturing speed, shortening the treatment time and relieving the pain of the patient are achieved.

In an embodiment, the needle 2 is cylindrical, and compared with a conventional conical needle, the wound on the skin is smaller, and the flow rate is more stable because the liquid medicine with the same upper and lower diameters flows faster, so that the arrangement mode of the embodiment has the technical effects of stabilizing the flow rate of the liquid medicine and reducing the wound on the skin of a patient.

In an embodiment, the microneedle array is arranged in a square shape, for example, 20 needles 2 are arranged in a square shape, so that the needles 2 are distributed more uniformly in comparison with other shapes, and can be absorbed more sufficiently by a patient after injection, thereby reducing the residue of the liquid medicine and improving the treatment effect.

In an embodiment, the substrate 1 is square, and can perfectly fit with a square microneedle array, the space of the substrate 1 is fully utilized, the square substrate 1 can be spliced and stored with each other when being stored, and compared with other shapes, the storage space is saved, the transportation and the carrying are easier, and the liquid medicine can be completely extruded by the square substrate when being extruded, so that the arrangement mode of the embodiment has the technical effects of avoiding the waste of the liquid medicine and saving the storage space.

In one embodiment, the base 1 stores the liquid medicine, the injection process is simple, the risk is low, and when a patient has chronic diseases and needs to inject for a long time, the patient carries the liquid medicine to inject by himself, so the arrangement of the embodiment has the technical effects of reducing the injection cost and reducing the burden of medical resources.

And those not described in detail in this specification are well within the skill of the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A biomimetics-based microneedle patch, comprising:

the base has the micropin array on it, the micropin array contains a plurality of syringe needles, the syringe needle includes needle point and needle body, the needle point be from the needle point extremely the needle body direction multilayer size increases gradually the structure, and every layer is furnished with the sawtooth, is used for the syringe needle pierces the skin fast in order to reduce the painful sense of patient.

2. A biomimetic based microneedle patch according to claim 1, wherein the needle is cylindrical.

3. A biomimetic based microneedle patch according to claim 1, wherein the microneedle array is in a square array.

4. A biomimetic based microneedle patch according to claim 1, wherein the base is square for improving the convenience of the microneedle patch arrangement.

5. A biomimetic based microneedle patch according to claim 1, wherein a drug solution is present within said substrate.

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