Microneedle transdermal patch

Abstract

The utility model relates to the technical field of medicine patches, and discloses a microneedle transdermal patch which comprises a urethane film layer, a temperature control device arranged on the front face of the urethane film layer, and a protection device arranged on the front face of the urethane film layer. The temperature control device comprises a bearing plate, a temperature control chip layer, a temperature conduction sheet, a connecting filler strip, a first connecting electric wire, a second connecting electric wire and a micro control device, the temperature control chip layer is connected to the front face of the bearing plate, the temperature conduction sheet is connected to the front face of the temperature control chip layer, and the connecting filler strip is connected to the bottom of the temperature conduction sheet. According to the microneedle transdermal patch, the heating temperature of the temperature control chip layer can be controlled through the temperature control device and the micro control equipment, the hydrogel layer with the microneedle layer is heated through temperature conduction of the temperature conduction piece after heating, and automatic adjustment can be conducted according to the optimal permeation temperature of medicine or the skin temperature of a user; and the temperature is not too low or too high during pasting, so that uncomfortableness and comfort during pasting are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of medicine patch, concretely is a kind of microneedle transdermal patch. BACKGROUND

[0002] Transdermal drug delivery is through the transdermal drug delivery micro device formed by microneedle array, i.e.

[0003] The prior art discloses a microneedle transdermal patch, which comprises an outer protective layer and an inner microneedle layer, the inner microneedle layer is attached to the outer protective layer, the microneedles in the inner microneedle layer contain traditional Chinese medicine paste, the inner microneedle layer is a human-soluble microneedle layer, a first hydrogel layer is arranged on the outer protective layer around the inner microneedle layer, and traditional Chinese medicine paste is also coated on the first hydrogel layer. The human-soluble microneedle layer is provided, which is generally soft in material, and the needle tip will slowly penetrate the skin when penetrating the skin, thereby reducing the pain; the first hydrogel on the first hydrogel layer will be absorbed by the human skin through the arrangement of the first hydrogel layer, and will not affect the air permeability of the skin, and the outer protective layer will naturally fall off after the first hydrogel is absorbed, so as to prevent skin allergy and solve the problems of obvious discomfort of the patient caused by the penetration of the microneedle into the skin and skin allergy caused by the adhesion of the adhesive layer to the skin.

[0004] The microneedle transdermal patch disclosed above is provided with a first hydrogel layer, the first hydrogel layer is in contact with the skin, and the first hydrogel on the first hydrogel layer will be absorbed by the human skin, without affecting the air permeability of the skin. However, the above-mentioned components do not integrate a micro temperature control element in the microneedle transdermal patch, and cannot automatically adjust according to the optimal penetration temperature of the drug or the skin temperature of the user. Low or high temperature during pasting will cause discomfort during pasting, low comfort, poor effect during use, and needs to be improved. TECHNICAL FIELD

[0005] The utility model aims at providing a microneedle transdermal patch to solve the problems in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a microneedle transdermal patch, comprising an urethane film layer, the front surface of the urethane film layer is provided with a temperature control device, and the front surface of the urethane film layer is provided with a protective device.

[0007] The temperature control device comprises a bearing plate, a temperature control chip layer, a temperature guide sheet, a connecting pad strip, a first connecting wire, a second connecting wire and a micro control device, the temperature control chip layer is connected to the front face of the bearing plate, the temperature guide sheet is connected to the front face of the temperature control chip layer, the connecting pad strip is connected to the bottom of the temperature guide sheet, the connecting pad strip is connected to the front face of the temperature control chip layer, the first connecting wire extends through the bottom of the bearing plate and is connected to the back face of the temperature control chip layer, and the second connecting wire is fixedly connected to the right side center of the first connecting wire.

[0008] Preferably, the protection device comprises a hydrogel layer, a hook face of a magic tape, a covering layer and a fleece face of the magic tape, the hydrogel layer is fixedly connected to the front face of the urethane film layer, the hook face of the magic tape is fixedly connected to the top end of the front face of the hydrogel layer, the fleece face of the magic tape is fixedly connected to the back face of the covering layer, and the front face of the hydrogel layer is provided with a microneedle layer.

[0009] Preferably, the area of the fleece face of the magic tape is matched with the area of the hook face of the magic tape, and the hook face of the magic tape is bonded to the back face of the fleece face of the magic tape.

[0010] Preferably, a connecting rectangular recess is formed in the right side of the front face of the urethane film layer, and the micro control device is arranged in the connecting rectangular recess.

[0011] Preferably, the micro control device is signal-connected to the temperature control chip layer through the second connecting wire and the first connecting wire, the micro control device can control the heating temperature of the temperature control chip layer, the hydrogel layer with the microneedle layer is heated through the temperature guide of the temperature guide sheet after heating, heating control is realized, and use is convenient.

[0012] Preferably, the second connecting wire is fixedly connected to the left side of the micro control device at an end away from the first connecting wire.

[0013] Preferably, a recess is formed in the front face of the urethane film layer, the bearing plate is connected to the inside of the recess, the width of the bearing plate is matched with the width of the recess, the recess plays a placing role, the depth is greater than the sum of the depths of the bearing plate, the temperature control chip layer and other components, and the internal components are prevented from being protruding to cause discomfort in use.

[0014] Compared with the prior art, the micro-needle transdermal patch has the following beneficial effects:

[0015] 1. The micro-needle transdermal patch is provided with a temperature control device, the micro control device can control the heating temperature of the temperature control chip layer, the hydrogel layer with the microneedle layer is heated through the temperature guide of the temperature guide sheet after heating, the temperature can be automatically adjusted according to the optimal penetration temperature of the medicine or the skin temperature of the user, the temperature does not appear to be too low or too high when pasting, and the user does not feel uncomfortable, and the comfort degree is high.

[0016] 2. The microneedle transdermal patch, by setting the protection device, the front is provided with the assembly capable of blocking the microneedle layer, the magic paste hair surface and the magic paste hook surface can bond the cover layer on the front of the hydrogel layer, can shield the microneedle layer when not in use, avoid exposure to the outside world and cause damage to the microneedle layer. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole front view structure schematic diagram of the utility model;

[0018] Figure 2 It is a whole front view structure schematic diagram of the utility model Figure 1 It is an enlarged structure schematic diagram of A place in the utility model;

[0019] Figure 3 It is a whole back view structure schematic diagram of the utility model;

[0020] Figure 4 It is a whole back view structure schematic diagram of the utility model Figure 1 It is an enlarged structure schematic diagram of B place in the utility model.

[0021] In the drawing: 1, urethane film layer; 2, temperature control device; 201, bearing plate part; 202, temperature control chip layer; 203, temperature guide sheet; 204, connecting pad strip; 205, first connecting wire; 206, second connecting wire; 207, micro control device; 3, protection device; 301, hydrogel layer; 302, magic paste hook surface; 303, cover layer; 304, magic paste hair surface. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides the following technical scheme:

[0024] A microneedle transdermal patch, comprising urethane film layer 1, the front of urethane film layer 1 is provided with temperature control device 2, and the front of urethane film layer 1 is provided with protection device 3.

[0025] The temperature control device 2 comprises a bearing plate 201, a temperature control chip layer 202, a temperature guide sheet 203, a connecting pad strip 204, a first connecting wire 205, a second connecting wire 206 and a micro control device 207, the temperature control chip layer 202 is connected to the front surface of the bearing plate 201, the temperature guide sheet 203 is connected to the front surface of the temperature control chip layer 202, the connecting pad strip 204 is connected to the bottom of the temperature guide sheet 203, the connecting pad strip 204 is connected to the front surface of the temperature control chip layer 202, the first connecting wire 205 extends through the bottom of the bearing plate 201 and is connected to the back surface of the temperature control chip layer 202, the second connecting wire 206 is fixedly connected to the right center of the first connecting wire 205, the front surface of the urethane film layer 1 is provided with a recess, the bearing plate 201 is connected to the inside of the recess, the width of the bearing plate 201 is adapted to the width of the recess, the recess serves as a placement function, the depth is greater than the depth sum of the bearing plate 201 and the temperature control chip layer 202 and other components, so as to avoid the discomfort caused by the protrusion of the internal components during use, a connecting rectangular recess is formed on the right side of the front surface of the urethane film layer 1, the micro control device 207 is arranged in the connecting rectangular recess, the micro control device 207 is signal connected to the temperature control chip layer 202 through the second connecting wire 206 and the first connecting wire 205, the micro control device 207 can control the temperature of the temperature control chip layer 202, and after heating, the temperature guide sheet 203 guides the heating of the hydrogel layer 301 on which the microneedle layer is placed, so as to realize heating control, and the use is convenient, and the second connecting wire 206 is fixedly connected to the left side of the micro control device 207 at the end away from the first connecting wire 205.

[0026] The protection device 3 comprises a hydrogel layer 301, a magic hook surface 302, a covering layer 303 and a magic hair surface 304, the hydrogel layer 301 is fixedly connected to the front surface of the urethane film layer 1, the magic hook surface 302 is fixedly connected to the top end of the front surface of the hydrogel layer 301, the magic hair surface 304 is fixedly connected to the back surface of the covering layer 303, the front surface of the hydrogel layer 301 is provided with a microneedle layer, the area of the magic hair surface 304 is adapted to the area of the magic hook surface 302, and the magic hook surface 302 is bonded to the back surface of the magic hair surface 304.

[0027] In use, the temperature control chip layer 202 can generate heat, and the temperature control chip layer 202 is connected to the micro control device 207 by the first connecting wire 205 and the second connecting wire 206, the micro control device 207 can control the temperature of the temperature control chip layer 202, and the micro control device 207 can be connected to the smart phone APP through Bluetooth or NFC technology, the user can set the working temperature of the patch according to the demand and the doctor's advice, realize accurate temperature control, thereby improve the penetration efficiency and safety of the drug, the water gel layer 301 with the microneedle layer is placed by the temperature guide heating of the temperature guide sheet 203 after heating, can be automatically adjusted according to the best penetration temperature of the drug or the skin temperature of the user, the temperature will not be low or high when pasting, will not cause uncomfortable when pasting, the comfort degree is high, the effect is good in use, and the assembly capable of shielding the microneedle layer is arranged on the front surface, the covering layer 303 can be attached to the front surface of the water gel layer 301 through the magic tape wool surface 304 and the magic tape hook surface 302, the microneedle layer can be shielded when not in use, and damage of the microneedle layer caused by exposure to the outside world is avoided.

[0028] Although the embodiments of the present application have been shown and described, it should be understood that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A microneedle transdermal patch comprising an urethane film layer (1), characterized in that: The front surface of the urethane film layer (1) is provided with a temperature control device (2), and the front surface of the urethane film layer (1) is provided with a protection device (3). The temperature control device (2) comprises a bearing plate (201), a temperature control chip layer (202), a temperature guide sheet (203), a connecting pad strip (204), a first connecting wire (205), a second connecting wire (206) and a micro control device (207), the temperature control chip layer (202) is connected to the front surface of the bearing plate (201), the temperature guide sheet (203) is connected to the front surface of the temperature control chip layer (202), the connecting pad strip (204) is connected to the bottom of the temperature guide sheet (203), the connecting pad strip (204) is connected to the front surface of the temperature control chip layer (202), the first connecting wire (205) extends through the bottom of the bearing plate (201) and is connected to the back surface of the temperature control chip layer (202), and the second connecting wire (206) is fixedly connected to the right side center of the first connecting wire (205).

2. The microneedle transdermal patch according to claim 1, characterized in that: The protection device (3) comprises a hydrogel layer (301), a magic hook surface (302), a covering layer (303) and a magic wool surface (304), the hydrogel layer (301) is fixedly connected to the front surface of the urethane film layer (1), the magic hook surface (302) is fixedly connected to the top end of the front surface of the hydrogel layer (301), the magic wool surface (304) is fixedly connected to the back surface of the covering layer (303), and the front surface of the hydrogel layer (301) is provided with a microneedle layer.

3. The microneedle transdermal patch according to claim 2, characterized in that: The area of the magic wool surface (304) is matched with the area of the magic hook surface (302), and the magic hook surface (302) is bonded to the back surface of the magic wool surface (304).

4. The microneedle transdermal patch according to claim 1, characterized in that: The front surface of the urethane film layer (1) is provided with a connecting rectangular groove, and the micro control device (207) is arranged in the connecting rectangular groove.

5. The microneedle transdermal patch according to claim 1, characterized in that: The micro control device (207) is signal connected to the temperature control chip layer (202) through the second connecting wire (206) and the first connecting wire (205).

6. The microneedle transdermal patch according to claim 1, wherein: The second connecting wire (206) is fixedly connected to the left side of the micro control device (207) away from the first connecting wire (205).

7. The microneedle transdermal patch according to claim 1, wherein: The front surface of the urethane film layer (1) is provided with a groove, the bearing plate (201) is connected to the inside of the groove, and the width of the bearing plate (201) is matched with the width of the groove.

Images