CN219517550U

CN219517550U - 3D prints slope microneedle mould

Info

Publication number: CN219517550U
Application number: CN202222114430.9U
Authority: CN
Inventors: 贾梦虹; 范丽敏; 何怡斐
Original assignee: Shanghai Chuanghua Material Technology Co ltd
Current assignee: Shanghai Chuanghua Material Technology Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2023-08-15
Anticipated expiration: 2032-08-10

Abstract

The utility model provides a 3D printing inclined microneedle mould, comprising: the matrix is provided with an inclined microperforation hole array for microneedle molding above the matrix, and a groove is formed in the matrix. The mold is inclined through the microneedle mold, so that the microneedle patch is completely attached to the skin, the microneedle array is inclined to adapt to different skin states of a human body, the effect of the microneedles is effectively exerted, the traditional microneedles are inclined, the skin is attached by utilizing the barb structure, the adhesion is tight and is not suitable for falling, the effect of the microneedles can be effectively exerted, and the water supplementing and locking effect of the microneedles is improved.

Description

3D prints slope microneedle mould

Technical Field

The utility model relates to the technical field of medical treatment, in particular to a 3D printing inclined microneedle mould.

Background

The microneedle is a newer transdermal drug delivery device, generally comprising a group of needle tips with the length of 25-2000 μm arranged on a base, and achieves the purpose of minimally invasive painless drug delivery by penetrating the stratum corneum of the skin, and the microneedle technology is more and more concerned in terms of beauty and has been widely applied, especially in terms of micro-crystalline eye patches, and the microneedle beauty refers to applying a microneedle patch with biological activity on the surface of the skin, and delivering an active substance into the interior by penetrating the stratum corneum to achieve the purpose of beauty, skin care and water supplement.

At present, most of traditional microneedle patches are vertical needles, however, large-area skin of a human body is in an arc shape, so that the microneedle patches are required to be complicated, and the traditional microneedle patches are folded and the like to conform to the human body dermatology, so that the use process is complicated.

Disclosure of Invention

Aiming at the problems existing in the prior art when the microneedle works, the 3D printing inclined microneedle mould which aims at having a simple structure and is convenient to be tightly attached to the large-area skin of a human body is provided.

The specific technical scheme is as follows:

3D printing tilting microneedle mould, comprising:

the matrix, the matrix top is provided with the slope micropin hole array that is used for the fashioned of micropin, the inside recess of seting up of matrix.

Preferably, the inclined micropin hole array further comprises:

a microneedle mould body disposed above the substrate;

and the diversion hole is arranged in the matrix and is matched with the microneedle mould body.

Preferably, the microneedle mould body is of an inclined configuration, and the angle between the microneedle mould body and the substrate is between 0 and 90 degrees.

Preferably, the microneedle mould is conical in shape.

Preferably, the number of the microneedle mould is a plurality, and the microneedle mould bodies are uniformly distributed above the substrate in an array.

Preferably, the diversion holes are uniformly distributed in the matrix in an array manner, and the number of the diversion holes corresponds to that of the microneedle mould body one by one.

Preferably, the main material of the matrix is a resin material.

Preferably, the matrix is circular.

Preferably, the substrate, the inclined microperforated hole array and the grooves are all formed by 3D printing

Preferably, the mold is a microneedle male mold.

The technical scheme has the following advantages or beneficial effects:

(1) The microneedle patch is completely adhered to the skin through the inclined microneedle mould, the skin states of different positions of a human body are adapted through the inclined microneedle array, the effect of the microneedles is effectively exerted, the traditional microneedles are obliquely adhered to the skin by utilizing the barb structure, the adhesion is tight and the microneedles are not suitable to fall off, the effect of the microneedles can be effectively exerted, and the water supplementing and locking effects of the microneedles are improved;

(2) The matrix, the inclined microperforated hole array and the grooves are formed into an integrated structure by adopting 3D printing, so that the integration is convenient, and the application value is good;

(3) The utility model has novel structure and easy function.

Drawings

Embodiments of the present utility model will now be described more fully with reference to the accompanying drawings. The drawings, however, are for illustration and description only and are not intended as a definition of the limits of the utility model.

FIG. 1 is a schematic diagram of a tilting microneedle mould according to an embodiment of the utility model;

FIG. 2 is a side view of an inclined microneedle mould according to an embodiment of the utility model;

fig. 3 is a partial schematic view of an array of inclined micropin holes in the inclined microneedle mould of fig. 1.

The above reference numerals denote:

1. a substrate; 2. an array of inclined microperforations; 3. a groove; 201. a microneedle mould body; 202. and a deflector hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an embodiment of a 3d printing oblique microneedle mould comprises: a matrix 1, an inclined microperforation hole array 2 for microneedle formation is arranged above the matrix 1, and a groove 3 is formed in the matrix 1; the microneedle mould main body 201 is inclined, so that the microneedle patch is completely attached to the skin, the microneedle array is inclined to adapt to different skin states of a human body, the microneedle effect is effectively exerted, the traditional microneedle is inclined, the skin is attached by using a barb structure, the microneedle patch is attached tightly and is not suitable to fall off, the microneedle effect can be effectively exerted, and the microneedle water supplementing and locking effect is improved.

As shown in fig. 3, the inclined micropin hole array 2 further includes: a microneedle mould body 201 disposed above the substrate 1; a deflector hole 202 provided inside the substrate 1 and adapted to the microneedle mould body 201; the solution is introduced into the microneedle mould body 201 through the deflector aperture 202.

As shown in fig. 3, the microneedle mould body 201 is of an inclined configuration, with an angle of 0-90 ° to the substrate; by tilting the microneedle array, the skin state of different positions of the human body can be adapted.

It should be noted that, the shape of the microneedle mould body 201 is conical, the number of the microneedle mould bodies 201 is a plurality, the microneedle mould bodies 201 are uniformly distributed above the substrate 1 in an array manner, the diversion holes 202 are uniformly distributed inside the substrate 1 in an array manner, the number of the diversion holes corresponds to that of the microneedle mould bodies 201 one by one, the main manufacturing material of the substrate 1 is a resin material, the substrate 1 is circular, and the substrate 1, the inclined microneedle hole arrays 2 and the grooves 3 are all formed by 3D printing; the matrix 1, the inclined micro-pinhole array 2 and the grooves 3 form an integrated structure through 3D printing, so that the integrated structure is convenient to integrate, the application value is good, and the mold is a micro-needle male mold.

In another embodiment of the utility model:

as shown in fig. 1, the microneedle mould body 201 is conical in shape and is a 45 ° inclined microneedle, and has a good application effect.

Working principle: when the 3D printing inclined microneedle mould works, solution is directly injected into the groove 3 in the matrix 1, and the substrate solution is introduced into the microneedle mould main body 201 through the guide hole 202 for manufacturing. The microneedle patch is in an inclined shape, so that the microneedle patch is completely attached to the skin, the microneedle array is inclined to adapt to different skin states of a human body, the effect of the microneedles is effectively exerted, the traditional microneedles are inclined, the skin is attached by utilizing a barb structure, the adhesion is tight and is not suitable for falling, the effect of the microneedles can be effectively exerted, and the water supplementing and locking effects of the microneedles are improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1.3D prints slope microneedle mould, its characterized in that includes:

matrix (1), matrix (1) top is provided with the slope micropin hole array (2) that are used for the microneedle shaping, recess (3) have been seted up to matrix (1) inside.

2. The 3D printing oblique microneedle mould according to claim 1, characterized in that the oblique microneedle array (2) further comprises:

a microneedle mould body (201) arranged above the substrate (1);

and the deflector hole (202) is arranged inside the matrix (1) and is matched with the microneedle mould body (201).

3. The 3D printing tilting microneedle mould according to claim 2, characterized in that the microneedle mould body (201) is of a tilting structure, with an angle of between 0-90 ° to the substrate.

4. The 3D printing tilting microneedle mould according to claim 2, characterized in that the microneedle mould body (201) is conical in shape.

5. The 3D printing tilting microneedle mould according to claim 2, characterized in that the number of microneedle mould bodies (201) is several, several of the microneedle mould bodies (201) being distributed in a uniform array over the substrate (1).

6. The 3D printing tilting microneedle mould according to claim 2, characterized in that the flow guiding holes (202) are uniformly distributed in the matrix (1) in a one-to-one correspondence with the microneedle mould bodies (201).

7. 3D printing inclined microneedle mould according to claim 1, characterized in that the main fabrication material of the matrix (1) is a resin material.

8. 3D printing inclined microneedle mould according to claim 1, characterized in that the substrate (1) is circular.

9. The 3D printing oblique microneedle mould according to claim 1, characterized in that the substrate (1), the oblique microneedle array (2) and the grooves (3) are all formed by 3D printing.

10. The 3D printing oblique microneedle mould of claim 1, wherein the mould is a microneedle male mould.