CN211094548U

CN211094548U - Allergen skin prick device

Info

Publication number: CN211094548U
Application number: CN201921786464.4U
Authority: CN
Inventors: 王昊
Original assignee: Individual
Current assignee: Guizhou We Care Technology Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-28
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses an allergen skin prick device, including test assembly and measuring component: the testing component comprises a flexible testing board, the measuring component comprises a measuring board which is arranged in a transparent mode, and the measuring board and the flexible testing board are arranged oppositely and are connected in a bonding mode through a double-sided bonding layer. The utility model can limit the penetration depth of the test during operation, and prevent bleeding at the test part caused by overlarge penetration depth; the measuring plate of the measuring assembly can be used for detecting the allergic condition, so that the testing convenience is obviously improved, and the occurrence of cross infection can be avoided. The utility model discloses the problem that exists among the prior art has effectively been solved. Has high practical value.

Description

Allergen skin prick device

Technical Field

The utility model relates to the field of medical technology, concretely relates to allergen skin prick device.

Background

With the development of socio-economic, the incidence of allergic diseases tends to increase worldwide. The allergic reaction referred to herein is the allergic reaction that we usually hear. The causes of allergic diseases are complex and diverse, and the causes of sensitization vary from time to time. The sensitizers causing allergic diseases of idiosyncratic individuals are also called allergens, and the allergens are the first problems for diagnosing and treating the allergic diseases.

Among the most mature methods are the use of allergens as stimulants to directly provoke symptoms in patients or the use of methods to avoid allergens to observe remission. It is generally determined which allergen causes and how much the patient is allergic to inhale based on the clinical history of the patient in combination with in vivo skin prick tests and in vitro allergen specific ige (sige) tests. Skin allergen prick tests may confirm or exclude factors that cause allergic diseases. The principle is that a small amount of active extract of allergen is injected into the subcutaneous part, the latter can be combined with IgE bound on the surface of mast cell of sensitized organism skin or mucosa, so that the mast cell is degranulated, and a large amount of vasoactive substances (anaphylactic medium) such as histamine and slow-reaction substance are released, so that local blood vessel is expanded and exuded, and the local blood vessel is expressed as wheal and areola.

Existing allergen testing devices also have the following drawbacks: 1. does not include the function of measuring the detection result, and has the risk of cross infection if other measuring devices are used. 2. The needle-like device inside before use can penetrate the material and thus risks being pierced during manufacturing, packaging, sterilization, etc. 3. The prior art also injects the allergen into the test device by injection, and then seals the injection hole by using ultrasonic or ultraviolet sealing technology, which increases the complexity of manufacturing. 4. The prior art can not completely limit the depth of the skin penetration during the test, lacks a more reliable limiting device, and has the possibility of excessive penetration depth into the skin, causing bleeding and final detection failure.

Therefore, there is still a need to find a device for allergy testing that is more versatile, easier to manufacture, and more structurally sound.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide an allergen skin pricking device which has more comprehensive functions, easier production and more reasonable structure; the specific scheme is as follows:

an allergen skin pricking device comprising a testing component and a measuring component: the test assembly comprises a flexible test board, the surface of the flexible test board is provided with a plurality of accommodating groove positions with openings, allergen adsorption blocks adsorbed with allergen test objects are arranged in the accommodating groove positions, a piercing assembly with a needle-shaped tip is arranged between the bottom wall of the accommodating groove position and the allergen adsorption blocks, and the tip of the piercing assembly can pierce the allergen adsorption blocks by pressing the piercing assembly; the measuring assembly comprises a measuring plate which is arranged in a transparent mode, the surfaces, provided with openings, of the measuring plate and the flexible test plate are mutually attached through double-sided adhesive layers, measuring rings are arranged on the surfaces of the measuring plate corresponding to the accommodating groove positions, and the geometric centers of the measuring rings and the geometric centers of the accommodating groove positions are arranged in a concentric mode; and limiting rings for isolating the double-sided adhesive layer from the allergen adsorption block are further arranged in the opening of the accommodating groove of the flexible test board, so that the double-sided adhesive layer is positioned outside each limiting ring.

The allergen skin prick device provided by the technical scheme has more comprehensive functions, is high in test accuracy, and can avoid cross infection and meet actual use requirements.

The test component with the test function and the measurement component with the measurement function are installed into a whole before use, when the test component and the measurement component are used, external force is applied to separate the test component and the measurement component, the flexible test board is attached to a corresponding test position, the flexible test board of the test component is provided with a containing groove position for containing the penetrating component, the penetrating device can penetrate through the allergen adsorption block and penetrate into skin of the test position under the condition of external force, and the allergen adsorption block adsorbs the allergen test object, so that the allergen test object can enter the skin of the test position along with the tip of the penetrating component, and allergy test operation is realized; under the isolation of the limiting ring, the puncturing depth of the puncturing assembly can be limited, and the puncturing depth is prevented from being too large; after the test is completed, the measuring plate of the measuring assembly can be used for detecting the allergic condition, the measuring ring is used for detecting the puncturing position, and due to the fact that extra measuring equipment is not needed, the test convenience is obviously improved, and cross infection can be avoided. When not using, measure board and flexible test board bonding and link to each other, measure the board and can avoid pricking the most advanced piercing device of subassembly, effectively prevent the device in production, the possibility of unexpected impaling of processes such as packing and transportation, ensure its leakproofness.

The two-sided adhesive layer among this technical scheme is located the spacing ring outside, avoids allergen and the contact risk that produces chemical change of two-sided adhesive layer to allergen test article leads to the risk of intermixing through two-sided adhesive layer absorption in can avoiding different holding trench.

The preferred technical solution is characterized in that the puncturing component comprises a pressing base movably arranged in the accommodating groove, and a needle body with a needle-shaped tip is fixed on the surface of the pressing base opposite to the allergen adsorption block.

In a preferred embodiment, the allergen-adsorbing block has an adsorptive property.

An additional feature of the preferred embodiment is that the allergen absorbent block is compressible.

The preferable technical scheme is characterized in that the surface of the flexible test board, which deviates from the opening of the accommodating groove, is provided with a pressing convex part corresponding to each accommodating groove, and the accommodating groove extends into the pressing convex parts.

The preferable technical scheme is characterized in that the surface of the flexible test board opposite to the double-sided adhesive layer is provided with an adhesive film with the size matched with that of the double-sided adhesive layer, and when the flexible test board is separated from the measuring board, at least part of adhesive material layer of the double-sided adhesive layer is remained on the adhesive film, so that the flexible test board can be adhered to a test area.

The preferable technical scheme is characterized in that the flexible test board is integrally formed by adopting a flexible material.

The preferable technical scheme is characterized in that a protective side wall extending towards one side of the flexible test board is arranged at the edge of the measuring board.

The preferable technical scheme is characterized in that the side edge of one side edge of the measuring plate is provided with an uncovering opening for assisting in separating the measuring plate and the flexible testing plate.

The preferable technical scheme is characterized in that the protruding height of the limiting ring is matched with the thickness of the double-sided adhesive layer outside the opening of the accommodating groove.

The utility model has the advantages that:

1. the utility model discloses can effectively prevent the device when not using the possibility that the in-process accident impaled such as production, packing and transportation.

2. The puncture depth of the test can be limited during operation, and bleeding at the test part caused by overlarge puncture depth is prevented.

3. The measuring plate of the measuring assembly can be used for detecting the allergy condition, the test convenience is obviously improved, cross infection can be avoided, different allergens can be effectively separated, the sealing performance of a test area is improved, the influence on an allergy test result caused by mutual pollution among the allergens at different test positions is avoided, and therefore the accuracy of allergy test is improved.

4. The utility model discloses can be fixed to the region that awaits measuring through the simplest mode on to transmit allergen effectively to the region that awaits measuring through fewest step. Therefore for prior art, the utility model discloses simplify operating procedure, reduced the operation degree of difficulty, be favorable to carrying out convenient and fast's allergy test more.

5. Set up a plurality of subassemblies that pierce and can make this device more effective to the preliminary treatment of epidermis, through increasing epidermis treatment area, this device can effectual reduction allergen use concentration. Therefore, the production cost is further reduced while the detection accuracy and stability are not influenced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a cross-sectional view of an allergen skin pricking device according to an embodiment.

Fig. 2 is a structural view of a flexible test board of the allergen skin pricking device according to an embodiment.

Fig. 3 is a top view of a measurement plate of the allergen skin pricking device provided in one embodiment.

The meanings indicated by the respective reference numerals are as follows; the flexible test board 100, the accommodation groove 110, the pressing convex part 120, the allergen adsorption block 200, the limiting ring 300, the measurement board 400, the measurement ring 410, the uncovering opening 420, the protective side wall 430, the double-sided adhesive layer 500, the pressing base 600 and the needle body 700.

Detailed Description

Here, it is to be noted that the functions, methods, and the like related to the present invention are only conventional adaptive applications of the related art. Therefore, the present invention is an improvement of the prior art, which substantially lies in the connection relationship between hardware, not in the functions and methods themselves, that is, the present invention relates to a few functions and methods, but does not include the improvements proposed in the functions and methods themselves. The present invention is described for better illustration of the function and method for better understanding of the present invention.

As shown in fig. 1, 2 and 3, in one embodiment, the present invention provides an allergen skin pricking device, comprising: the function is more comprehensive, the testing accuracy is high, and the cross infection can be avoided, so that the method is more in line with the actual use requirement. The test assembly comprises a flexible test board 100, wherein the surface of the flexible test board 100 is provided with a plurality of accommodating groove positions 110 with openings, allergen adsorption blocks 200 adsorbed with allergen test substances are arranged in the accommodating groove positions 110, a piercing assembly with a needle-shaped tip is arranged between the bottom wall of the accommodating groove positions 110 and the allergen adsorption blocks 200, and the tip of the piercing assembly can pierce through the allergen adsorption blocks 200 by pressing the piercing assembly; the measuring component comprises a measuring plate 400 which is arranged in a transparent mode, the surfaces, provided with openings, of the measuring plate 400 and the flexible test plate 100 are attached to each other through a double-sided adhesive layer 500, measuring rings 410 are arranged on the surfaces of the measuring plate 400 corresponding to the accommodating groove positions 110, and the geometric centers of the measuring rings 410 and the geometric centers of the accommodating groove positions 110 are arranged in a concentric mode; the opening of the accommodating slot 110 of the flexible test board 100 is further provided with a limiting ring 300 for isolating the double-sided adhesive layer 500 from the allergen adsorption block 200, so that the double-sided adhesive layer 500 is located outside each limiting ring 300. The test assembly with the test function and the measurement assembly with the measurement function are bonded into a whole through the double-sided adhesive layer 500 before use, when the test assembly is used, external force is applied to separate the test assembly and the measurement assembly from each other, the flexible test board 100 is attached to a corresponding test part, the flexible test board 100 of the test assembly is provided with a containing groove 110 for containing a piercing assembly, the piercing device can pierce the allergen adsorption block 200 and pierce into skin of the test part under the condition of external force, and the allergen adsorption block 200 adsorbs an allergen test object, so that the allergen test object can enter the skin of the test position along with the tip of the piercing assembly, and allergy test operation is realized; the stop collar 300 can restrict the depth of penetration of the subassembly of piercing, prevents to pierce the degree of depth too big, and sets up a plurality of subassemblies of piercing and can make this device more effective to the preliminary treatment of epidermis, through increasing epidermis treatment area, this device can effectual reduction allergen use concentration. Therefore, the production cost is further reduced while the detection accuracy and stability are not influenced.

After the test is completed, the measuring plate 400 of the measuring assembly can be used for detecting the allergy condition, the puncturing position is detected by using the measuring ring 410, and due to the fact that extra measuring equipment is not needed, the test convenience is obviously improved, and cross infection can be avoided. When the flexible test board 100 is not used, the measurement board 400 is bonded with the flexible test board 100, and the measurement board 400 can avoid puncturing the sharp-end puncturing device of the assembly, thereby effectively preventing the possibility of accidental puncturing of the device in the processes of production, packaging, transportation and the like and ensuring the sealing property of the device.

In addition, the double-sided adhesive layer 500 is located outside the stop collar 300, so that the risk of chemical change caused by contact between allergen and the double-sided adhesive layer 500 is avoided, and the risk of mutual mixing caused by adsorption of allergen test objects in different accommodating grooves 110 through the double-sided adhesive layer 500 can be avoided.

As shown in fig. 1, 2 and 3, as mentioned above, the flexible test board 100 needs to be separated from the measurement board 400 and attached to the corresponding test site during use, and needs to have flexibility on one hand and certain structural strength on the other hand, so as to prevent the tip of the puncturing assembly from easily puncturing, thereby preventing the tip of the puncturing assembly from losing the sealing property; the flexible test board 100 may be made of a material commonly used in the art, preferably a light, thin, flexible non-metallic plastic material or a metal film material, so as to better fit a test site (e.g., an arm) of a human subject. The flexible test board 100 in this embodiment is preferably made of an aluminum film. Since the measurement plate 400 needs to ensure the strength of the entire structure, avoid the sharp piercing means of the piercing assembly, and have a certain degree of flexibility to accommodate bending and the like, the measurement plate 400 may be made of a transparent thermoplastic elastomer, plastic or the like.

As shown in fig. 3, further, after the test is completed, the device needs to be tested by a measurement board 400, a measurement ring 410 disposed on the measurement board 400 is used for measuring the allergy condition of the person under test, the measurement ring 410 may be printed or engraved on the measurement board 400 and is formed by a plurality of concentrically arranged equidistant circles, preferably, the smallest circle of each measurement ring 410 has a diameter of 1mm, and increases progressively from inside to outside with an equal difference of 1 mm; to more accurately measure allergy test results (i.e., reaction wheal conditions); in some embodiments, the edge of the measuring board 400 may be printed or engraved with a measuring scale with a side accuracy of 1mm, providing a plurality of measuring modes for the operator to choose.

As shown in fig. 1 and 2, in order to facilitate the pressing of the puncturing member, the puncturing member in this embodiment includes a pressing base 600, the pressing base 600 is movably disposed in the receiving groove 110, and a needle body 700 having a needle-shaped tip is fixed to a surface of the pressing base 600 opposite to the allergen adsorption block 200. When the flexible test board 100 is pressed, the pressing base 600 is pressed to make the needle body 700 penetrate the allergen adsorption block 200, and the pressing base 600 may be preferably made of plastic, organic glass, thermoplastic elastomer, etc. In order to restrict the pressing base 600 from moving, the transverse cross-sectional shape of the pressing base 600 is adapted to the transverse cross-sectional shape of the receiving slot 110, the cross-sectional shape of the receiving slot 110 may be polygonal or circular, and the present embodiment is preferably rotated to be circular. The pressing base 600 may be fixed to the bottom wall of the receiving slot 110 in a fixed manner to prevent the movement thereof.

As described above, the allergen adsorption block 200 in this embodiment is used for adsorbing the allergen test substance, and thus the allergen adsorption block 200 has adsorbability. Since the allergen test substance exists in different forms, such as liquid, solid, gel, paste or freeze-dried form, when the allergen test substance exists in a form that is easy to adsorb, such as liquid, the allergen adsorption block 200 may be made of sponge-like polymer foam, non-woven fabric, or sponge, which are commonly used in the art. The preferred allergen absorbent block 200 of sponge material of this embodiment, the liquid allergen can be fixed and preserved better to the sponge to under the destroyed condition of container leakproofness, can slow down the damage and the spill-over of allergen. When the allergen test material is a solid block, the allergen adsorption block 200 may not be used. Further, in order to facilitate the needle body 700 to penetrate into the test area under pressure, the allergen absorbent block 200 in this embodiment has compressibility. When allergen absorbent block 200 is compressed, it can be compressed to save effort, and it is more convenient to pierce needle body 700 into the area under test.

As mentioned above, the puncturing device is accommodated in the accommodating slot 110, a large space is required, and it is also necessary to ensure that the surface of the flexible test board 100 having the opening is substantially flat, so that the size of the space of the accommodating slot 110 needs to be ensured, and it is also beneficial for an operator to apply pressure to the pressing base 600. The pressing protrusion 120 is provided to facilitate pressing by an operator to apply pressure, and to increase a space of the receiving slot 110.

As shown in fig. 2, when performing an allergy test, the flexible test board 100 needs to be attached to a test site, in order to ensure the attachment stability, an adhesive film having a size corresponding to the size of the double-sided adhesive layer 500 is disposed on a surface of the flexible test board 100 opposite to the double-sided adhesive layer 500, and when the flexible test board 100 is separated from the measurement board 400, at least a part of the adhesive material layer of the double-sided adhesive layer 500 remains on the adhesive film, so that the flexible test board 100 can be attached to a test area. Thus, after the flexible test board 100 is separated from the measurement board 400, at least a portion of the double-sided adhesive layer 500 remains on the adhesive film, so that the flexible test board 100 can be fixed to the test area, and the test stability is improved.

In order to ensure the sealing effect of the flexible test board 100, the flexible test board 100 in this embodiment is integrally formed by a flexible material.

As shown in fig. 1, in the manufacturing process, in order to facilitate assembly, the edge of the measuring board 400 in this embodiment is provided with a protective side wall 430 extending to one side of the flexible test board 100. The protective side wall 430 enables the measuring plate 400 to integrally form an open box shape, so that the measuring components of the testing component are aligned and bonded more easily in the production process, and the production efficiency is higher; meanwhile, the protective side wall 430 can also prevent the measuring assembly from being damaged by external force in the subsequent packaging and transportation processes, and the yield is improved.

As shown in FIG. 3, since the measuring module and the testing module are connected by adhesion, a side edge of one side of the measuring board 400 is provided with a uncovering opening 420 for assisting in separating the measuring board 400 from the flexible testing board 100. Uncovering the opening 420 facilitates separation of the measurement board 400 from the flexible test board 100, improving ease of use.

As shown in fig. 1, as mentioned above, the stop collar 300 is mainly used to limit the penetration depth of the needle body 700 and prevent the allergen test objects from being infected with each other by the adsorption of the double-sided adhesive layer 500, so that the stop collar 300 in this embodiment protrudes out of the opening of the receiving slot 110, and the protruding height of the stop collar 300 is adapted to the thickness of the double-sided adhesive layer 500. The convex part of the limiting ring 300 can isolate the double-sided adhesive layer 500, so that cross infection caused by mutual contact of allergen test objects in different accommodating groove positions 110 is avoided.

In the specification of the present invention, a large number of specific details are explained. It can be understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments can be modified, or some or all of the technical features can be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. An allergen skin prick device, characterized by: the device comprises a testing component and a measuring component:

the test component comprises a flexible test board (100), a plurality of accommodating groove positions (110) with openings are arranged on the surface of the flexible test board (100), allergen adsorption blocks (200) adsorbing allergen test substances are arranged in the accommodating groove positions (110), a piercing component with a needle-shaped tip is arranged between the bottom wall of the accommodating groove positions (110) and the allergen adsorption blocks (200), and the tip of the piercing component can pierce through the allergen adsorption blocks (200) by pressing the piercing component;

the measuring assembly comprises a measuring plate (400) which is arranged in a transparent mode, the surfaces, provided with openings, of the measuring plate (400) and the flexible test plate (100) are attached to each other through a double-sided adhesive layer (500), measuring rings (410) are arranged on the surface of the measuring plate (400) corresponding to the accommodating groove positions (110), and the geometric centers of the measuring rings (410) and the geometric centers of the accommodating groove positions (110) are arranged in a concentric mode;

and limiting rings (300) for isolating the double-sided adhesive layer (500) from the allergen adsorption block (200) are further arranged in the openings of the accommodating groove positions (110) of the flexible test board (100), so that the double-sided adhesive layer (500) is positioned on the outer sides of the limiting rings (300).

2. The allergen skin pricking device of claim 1, wherein:

the puncturing assembly comprises a pressing base (600), the pressing base (600) is movably arranged in the accommodating groove (110), and a needle body (700) with a needle-shaped tip is fixed on the surface of the pressing base (600) opposite to the allergen adsorption block (200).

3. The allergen skin pricking device of claim 1, wherein:

the allergen adsorption block (200) has adsorbability.

4. The allergen skin pricking device of claim 1, wherein:

the allergen absorbent mass (200) is compressible.

5. The allergen skin pricking device of claim 1, wherein:

the surface of the flexible test board (100) departing from the opening of the accommodating groove position (110) is provided with a pressing convex part (120) corresponding to each accommodating groove position (110), and the accommodating groove position (110) extends into the pressing convex part (120) to be arranged.

6. The allergen skin pricking device of claim 1, wherein:

the surface that flexible test board (100) and two-sided adhesive linkage (500) bonded is equipped with the adhesive film that suits with two-sided adhesive linkage (500) size, when flexible test board (100) and measurement board (400) phase separation, at least partial two-sided adhesive linkage (500) paste the material layer and remain on the adhesive film, make flexible test board (100) can bond on the test area.

7. The allergen skin pricking device of claim 1, wherein:

the flexible test board (100) is integrally formed by adopting a flexible material.

8. The allergen skin pricking device of claim 1, wherein:

and a protective side wall (430) extending towards one side of the flexible test board (100) is arranged at the edge of the measuring board (400).

9. The allergen skin pricking device of claim 1, wherein:

an opening (420) for assisting in separating the measuring plate (400) from the flexible testing plate (100) is arranged on the side edge of one side edge of the measuring plate (400).

10. The allergen skin pricking device of claim 1, wherein:

the limiting ring (300) protrudes out of the opening of the accommodating groove position (110), and the protruding height of the limiting ring (300) is matched with the thickness of the double-sided adhesive layer (500).