CN219201382U

CN219201382U - Dry biochemical test card

Info

Publication number: CN219201382U
Application number: CN202223475618.2U
Authority: CN
Inventors: 温之云; 李迎春
Original assignee: Jiangsu Konsung Biomedical Technology Co ltd
Current assignee: Jiangsu Konsung Biomedical Technology Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-16
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a dry biochemical test card, which belongs to the field of in-vitro diagnosis analysis test and comprises a pressing plate, a base and test paper, wherein a sample adding groove is formed in the pressing plate, a base clamping groove is formed in the base, a plurality of test holes are formed in the base clamping groove, the test paper is placed in the base clamping groove, the pressing plate is pressed on the test paper, the pressing plate is fixedly connected with the base in a clamping manner, the test paper is used for reacting with a sample after the sample is added from the sample adding groove, and the test holes are used for being matched with a photoelectric detection module of an in-vitro diagnosis analysis device for optical detection. The dry biochemical test card with the novel structure has the advantages of simple structure, convenient assembly, reliable detection, high precision, low manufacturing cost and repeated utilization, and can meet the requirements of rapid and accurate diagnosis and analysis in the medical field.

Description

Dry biochemical test card

Technical Field

The utility model relates to the technical field of in-vitro rapid diagnosis, analysis and test, in particular to a dry biochemical test card.

Background

An in vitro diagnostic analysis device is an instrument that can perform quantitative or qualitative analysis of a body fluid sample of a patient, such as blood or the like. The in-vitro diagnosis and analysis device is internally provided with a test card storage box which is used for storing the test card so as to provide the test card in the in-vitro diagnosis and analysis process. The types of biochemical detection reagents used by the current test card can be divided into dry chemistry and wet chemistry, the wet chemistry detection requires specific instruments and equipment, professional technicians and regular waste liquid treatment requirements, the instruments are large and expensive, the detection time is long, the detection can not be realized in real time, the detection can only be carried out on samples such as serum, plasma, urine and cerebrospinal fluid, and the whole blood sample detection needs to be centrifuged. The dry chemical reagent is mainly suitable for places such as emergency treatment, families, pharmacy, community hospitals, outpatient service, physical examination centers and the like, and has the advantages of rapid diagnosis, simple operation, cost saving and the like. Therefore, dry biochemical test cards are widely used in vitro rapid diagnostic analytical tests.

However, the structure of the dry biochemical test card in the test card storage box of the existing in-vitro diagnosis and analysis device has the defects that the test card can incline and cannot slide down to the detection area of the optical detection module smoothly, so that the card is dead, the failure rate of the in-vitro diagnosis and analysis device is increased, and the reliability and the accuracy of detection are affected. Therefore, the improvement of the detection stability and the detection precision of the dry biochemical test card becomes an important technical problem to be solved urgently in the field at present.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the dry biochemical test card with the novel structure is provided, and the test card has the advantages of simple structure, convenient assembly, stable and reliable detection, high detection precision, low manufacturing cost and repeated utilization, and can meet the requirements of rapid and accurate diagnosis and analysis in the medical field.

Technical proposal

In order to achieve the above object, the present utility model is achieved by the following technical means.

The utility model provides a dry-type biochemical test card, includes clamp plate, base, test paper, be equipped with the application of sample groove on the clamp plate, be equipped with the base draw-in groove on the base, be equipped with a plurality of detection hole on the base draw-in groove, test paper is placed in the base draw-in groove, the clamp plate pressure is established on the test paper, the clamp plate with the base passes through joint mode fixed connection, test paper is used for following after the application of sample groove adds the sample with the sample takes place the reaction, the detection hole is used for carrying out optical detection with the cooperation of the photoelectric detection module of external diagnostic analysis device.

Optionally, the clamp plate is equipped with the buckle along width direction's both sides, the base along width direction's both sides be equipped with the spacing groove that the buckle corresponds, the clamp plate pass through the buckle inserts the mode of spacing groove with base fixed connection.

Optionally, the pressing plate is further provided with a sample adding guide groove in a protruding mode, wherein the sample adding guide groove corresponds to the sample adding groove in position and is used for adding samples and marking the sample adding position.

Optionally, the upper surface of the pressing plate is provided with a reinforcing rib along the length direction, and the reinforcing rib is connected with the sample adding guide groove into a whole.

Optionally, protruding feet are respectively arranged on the lower surface of the pressing plate close to two end parts along the length direction, and extended guide inclined planes are arranged on two sides of the lower surface of the pressing plate along the width direction.

Optionally, the base draw-in groove is equipped with spacing subassembly all around, spacing subassembly includes along the base width direction bilateral symmetry sets up a set of limit boss and a plurality of limit sand grip of setting up along length direction bilateral symmetry.

Optionally, a plurality of groups of elastic arms are symmetrically arranged on the base along the longitudinal direction, the elastic arms are arc-shaped, the elastic arms and the base form a hollow structure, and the elastic arms and the hollow structure are used for pressing the side edges of the test paper so that the exposed areas of the elastic arms are completely attached to the test surface.

Optionally, the number of the detection holes, the elastic arms and the limit protruding strips is 4.

Optionally, a handle is arranged at one end of the base.

Optionally, the dry biochemical test card is made of PP material and is integrally formed.

Advantageous technical effects

Compared with the known public technology, the technical scheme provided by the utility model has the following beneficial effects:

the utility model provides a novel-structure dry biochemical test card, which comprises a pressing plate, a base and test paper, wherein a sample adding groove is formed in the pressing plate, a base clamping groove is formed in the base, a plurality of test holes are formed in the base clamping groove, the test paper is placed in the base clamping groove, the pressing plate is pressed on the test paper, a buckle is arranged on the bottom plate, a limit groove is formed in the base, and the pressing plate is fixedly connected with the base in a mode that the buckle is inserted into the limit groove. Meanwhile, the base can be further provided with a limiting assembly, and the limiting assembly comprises a group of limiting bosses which are symmetrically arranged left and right and a plurality of groups of limiting convex strips which are symmetrically arranged front and back. Through the setting of spacing sand grip, can restrict the position and the fixed clamp plate that detect test paper inserted the base draw-in groove, through the setting of spacing boss, can restrict the clamp plate and impress the degree of depth in the base draw-in groove, avoid excessive pressure and cause the damage to detect test paper. Meanwhile, an arc-shaped elastic arm can be further arranged on the base, and the elastic arm and the base form a hollow structure, so that on one hand, the side edge of the detection test paper is pressed by the elastic arm and the hollow structure through the arrangement of the elastic arm and the hollow structure, and the exposed area of the detection test paper is completely attached to the detection surface, so that the fixing of the detection test paper is better, and the detection stability is improved; on the other hand, through the design of the elastic arm and the hollow structure, the material of the whole structure of the dry biochemical test card is saved, and the cost is reduced. Meanwhile, the lower surface of the pressing plate can be also provided with a guide inclined plane and a convex foot, and through the arrangement of the guide inclined plane, when the pressing plate is pressed into the base, the guide inclined plane plays a role in guiding, so that the pressing is more convenient and rapid; through the setting of protruding foot for the clamp plate pushes down test paper head and tail both ends through protruding foot, has reduced the area of contact of clamp plate and test paper, makes the sample that awaits measuring flow more evenly on test paper, and the reaction is more abundant, thereby obtains more accurate testing result. Moreover, after the pressing plate, the detection test paper and the base of the dry biochemical test card are assembled into a whole, due to the novel structure, exhaust spaces are arranged around the novel structure, so that samples can flow more uniformly, the reaction is more sufficient, and the detection is more accurate.

Therefore, compared with the prior art, the dry biochemical test card with the novel structure has the advantages of simple structure, convenience in assembly, reliability in detection, high precision, high strength of the test card, low manufacturing cost, repeated use, capability of meeting the requirements of rapid and accurate diagnosis and analysis in the medical field, and beneficial technical effects.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings that are required to be used in the embodiments will be briefly described. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic diagram showing the overall structure of a dry biochemical test card according to an embodiment of the present utility model;

FIG. 2 is an exploded view of the structure of FIG. 1;

fig. 3 is a schematic view of the lower surface structure of the platen of fig. 2.

Reference numerals in the drawings represent respectively: 1. a pressing plate; 2. detecting test paper; 3. a base; 1-1, a sample adding guide groove; 1-2, reinforcing ribs; 1-3, protruding feet; 1-4, a buckle; 1-5, a sample adding groove; 1-6, guiding inclined plane; 3-1, detection holes; 3-2, limiting bosses; 3-3, limiting convex strips; 3-4, an elastic arm 3-4;3-5, a limit groove; 3-6, a base clamping groove; 3-7, a handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. 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.

The utility model is further described below with reference to examples.

Examples

A dry biochemical test card according to this embodiment, referring to fig. 1 to 3: the test paper comprises a pressing plate 1, a base 3 and test paper 2, wherein a sample adding groove 1-5 is formed in the pressing plate 1, a base clamping groove 3-6 is formed in the base 3, 4 detection holes 3-1 are formed in the base clamping groove 3-6, the test paper 2 is firstly placed in the base clamping groove 3-6 of the base 3 in the test card assembling process, then the pressing plate 1 is pressed on the test paper 2, and finally the pressing plate 1 and the base 3 are fixedly connected into a whole in a clamping mode. When a sample needs to be detected, the sample is added through the sample adding groove 1-5, the sample flows into the detection test paper 2 to react with the detection test paper 2, and after the reaction fully occurs, the photoelectric detection module of the in-vitro diagnosis analysis device carries out optical detection on the test paper containing the sample through the detection hole 3-1, so that the detection result of the sample is obtained.

Specifically, the two sides of the pressing plate 1 along the width direction are provided with buckles 1-4, the two sides of the base 3 along the width direction are provided with limit grooves 3-5 corresponding to the buckles 1-4, and the pressing plate 1 is fixedly connected with the base 3 in a mode that the buckles 1-4 are inserted into the limit grooves 3-5. Further, the pressure plate 1 is also convexly provided with a sample feeding guide groove 1-1 corresponding to the position of the sample feeding groove 1-5, and the combination of the sample feeding guide groove 1-1 and the sample feeding groove 1-5 improves the overall height of the sample feeding groove 1-5 and prevents too much sample feeding from overflowing the surface of the pressure plate 1 to cause pollution and waste; on the other hand, the sample feeding guide grooves 1-5 can be used for marking the sample feeding position, the flowing area of the sample can be controlled to a certain extent, when the same sample is detected for multiple times or different samples are detected respectively, only the detection test paper needs to be replaced, the sample feeding groove and the sample feeding guide groove are cleaned and killed together, the last sample feeding position is avoided, cross contamination is prevented, and the detection accuracy is improved.

In order to improve the overall strength of the pressing plate 1, the pressing plate 1 is pressed into the base 3 to be fixedly connected with the base, the reinforcing ribs 1-2 are arranged on the upper surface of the pressing plate 1 along the length direction, and the reinforcing ribs 1-2 are connected with the sample adding guide groove 1-1 into a whole.

In order to improve the detection precision of the sample to be detected, protruding feet 1-3 are respectively arranged on the lower surface of the pressing plate 1, which is close to two end parts along the length direction, and extended guide inclined planes 1-6 are arranged on two sides of the lower surface of the pressing plate 1 along the width direction. The pressure plate 1 plays a guiding role when being pressed into the base 3 by the arrangement of the guide inclined planes 1-6 so as to be convenient for press-fitting; through the arrangement of the protruding feet 1-3, the pressing plate 1 presses the head end and the tail end of the detection test paper 2 through the protruding feet 1-3, so that the contact area between the pressing plate 1 and the detection test paper 2 can be reduced, the sample to be detected flows more uniformly on the detection test paper 2, the reaction is more complete, and a more accurate detection result is obtained.

In order to limit the insertion position of the test paper and fix the pressing plate, limit components are arranged around the base clamping grooves 3-6, and each limit component comprises a group of limit bosses 3-2 symmetrically arranged left and right along the width direction of the base 3 and two groups of limit convex strips 3-3 symmetrically arranged front and back along the length direction. Specifically, the position of the detection test paper 2 inserted into the base clamping groove 3-6 and the fixed pressing plate 1 can be limited by the arrangement of the 4 limit convex strips 3-3; through the setting of 2 spacing bosss 3-2, can restrict the clamp plate 1 and impress the degree of depth in the base draw-in groove 3-6, avoid excessive pressure and cause damage to test paper 2.

In order to improve the stability of the test paper, 4 elastic arms 3-4 are symmetrically arranged on the base 3 along the length direction, the elastic arms 3-4 are of arc structures, the elastic arms 3-4 and the base 3 form a hollow structure, and the elastic arms 3-4 and the hollow structure are used for pressing the side edges of the test paper 2 so that the exposed area of the test paper is completely attached to the test surface. The elastic arm and the hollow structure have the advantages that on one hand, through the arrangement of the elastic arm and the hollow structure, the side edge of the detection test paper is pressed by the elastic arm and the hollow structure, the exposed area of the detection test paper can be completely attached to the detection surface, and the fixation and detection stability of the detection test paper are improved; on the other hand, through the design of the elastic arm and the hollow structure, the material of the whole structure of the dry biochemical test card is saved, and the cost is reduced.

Moreover, after the pressing plate, the detection test paper and the base of the dry biochemical test card are assembled into a whole, due to the novel structure, exhaust spaces are arranged around the novel structure, so that samples can flow more uniformly, the reaction is more sufficient, and the detection is more accurate.

In the actual detection process, the dry biochemical test card needs to be matched with the in-vitro diagnosis and analysis device, before detection, the test card needs to be inserted into a detection base in a photoelectric detection module of the in-vitro diagnosis and analysis device, and after detection, the test card needs to be taken down from a detection area of the detection base. In order to facilitate the manual insertion or extraction operation of the tester, a handle is arranged at one end of the base of the dry biochemical test card.

In order to reduce parts and assembly process and ensure certain strength, the dry biochemical test card is made of PP material and adopts an integrally formed injection molding process.

Therefore, compared with the prior art, the dry biochemical test card with the novel structure has the advantages of simple structure, convenience in assembly, reliability in detection, high precision, low manufacturing cost, repeated use, capability of meeting the requirements of rapid and accurate diagnosis and analysis in the medical field, and beneficial technical effects.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A dry biochemical test card, characterized in that: including clamp plate (1), base (3), test paper (2), be equipped with application of sample groove (1-5) on clamp plate (1), be equipped with base draw-in groove (3-6) on base (3), be equipped with a plurality of detection hole (3-1) on base draw-in groove (3-6), test paper (2) are placed in base draw-in groove (3-6), clamp plate (1) are pressed and are established on test paper (2), clamp plate (1) with base (3) pass through joint mode fixed connection, test paper (2) are used for following after the sample is added to application of sample groove (1-5) with the sample takes place the reaction, detection hole (3-1) are used for carrying out optical detection with the cooperation of the photoelectric detection module of external diagnosis analytical equipment.

2. The dry biochemical test card according to claim 1, wherein: the clamping device is characterized in that buckles (1-4) are arranged on two sides of the pressing plate (1) along the width direction, limit grooves (3-5) corresponding to the buckles (1-4) are formed on two sides of the base (3) along the width direction, and the pressing plate (1) is fixedly connected with the base (3) in a mode that the buckles (1-4) are inserted into the limit grooves (3-5).

3. The dry biochemical test card according to claim 1, wherein: the pressure plate (1) is also provided with a sample adding guide groove (1-1) in a protruding mode, wherein the sample adding guide groove (1-1) corresponds to the sample adding groove (1-5), and the sample adding guide groove (1-1) is used for adding samples and marking the sample adding position.

4. A dry biochemical test card according to claim 3, wherein: the upper surface of the pressing plate (1) is provided with a reinforcing rib (1-2) along the length direction, and the reinforcing rib (1-2) is connected with the sample adding guide groove (1-1) into a whole.

5. The dry biochemical test card according to claim 1, wherein: convex feet (1-3) are respectively arranged on the lower surface of the pressing plate (1) close to two ends along the length direction, and extended guide inclined planes (1-6) are arranged on two sides of the lower surface of the pressing plate (1) along the width direction.

6. The dry biochemical test card according to claim 1, wherein: the base clamping groove (3-6) is provided with a limiting assembly all around, and the limiting assembly comprises a group of limiting bosses (3-2) symmetrically arranged left and right along the width direction of the base (3) and a plurality of groups of limiting convex strips (3-3) symmetrically arranged front and back along the length direction.

7. The dry biochemical test card according to claim 6, wherein: the base (3) is provided with a plurality of groups of elastic arms (3-4) along the longitudinal direction in a front-back symmetrical mode, the elastic arms (3-4) are arc-shaped, the elastic arms (3-4) and the base (3) form a hollow structure, and the elastic arms (3-4) and the hollow structure are used for pressing the side edges of the detection test paper (2) so that the exposed areas of the elastic arms are completely attached to the detection surface.

8. The dry biochemical test card according to claim 7, wherein: the number of the detection holes (3-1), the number of the elastic arms (3-4) and the number of the limit raised strips (3-3) are all 4.

9. The dry biochemical test card according to claim 1, wherein: one end of the base is provided with a handle (3-7).

10. The dry biochemical test card according to claim 1, wherein: the dry biochemical test card is made of PP material and is integrally formed.