CN216484763U - Test card structure of blood gas analyzer - Google Patents
Test card structure of blood gas analyzer Download PDFInfo
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- CN216484763U CN216484763U CN202122986412.5U CN202122986412U CN216484763U CN 216484763 U CN216484763 U CN 216484763U CN 202122986412 U CN202122986412 U CN 202122986412U CN 216484763 U CN216484763 U CN 216484763U
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Abstract
The utility model discloses a test card structure of a blood gas analyzer, which comprises a base and a cover plate buckled with the base, wherein the top surface of the cover plate is provided with a sample inlet and an extrusion through groove, a sample flow passage communicated with the sample inlet is arranged on the surface opposite to the top surface, the middle part of the cover plate is provided with a first groove, an extrusion part is arranged in the first groove, and the base is provided with a gas storage groove and a gas passage communicated with the gas storage groove; the base middle part position is provided with calibration solution standing groove and the calibration solution runner that communicates with the calibration solution standing groove, the calibration solution standing groove with the extrusion portion position that sets up on the apron is corresponding, still is provided with the waste liquid groove on the base, and introduction port department is provided with the sealing plug. The utility model is mainly used for realizing the supply of blood samples, and is convenient for a blood gas analyzer to accurately detect the blood samples; the device has the advantages of simple structure and reasonable design, can simultaneously realize the purposes of detection and calibration when in use, and can effectively improve the accuracy of detection results.
Description
Technical Field
The utility model relates to the technical field of biochemical analysis, in particular to a test card structure of a blood gas analyzer.
Background
Blood gas analyzer: medical devices for blood testing generally comprise electrodes (pH, PO2, PCO2), a sample chamber, a CO2 air mixer, amplifier components, a digital operation display and a printer. The method has the advantages of rapid and convenient detection, wide range and the like.
The test process of the medical in-vitro diagnostic equipment is that the equipment firstly extracts calibration liquid from a reagent pack to the electrode position of a test card for calibration; then, the test solution such as blood is drawn from the syringe to the electrode position of the test card for testing. In the blood gas testing process of the commonly used medical in-vitro diagnostic equipment, when the injector injects the testing liquid, the testing liquid such as blood and the like is easy to drip on the equipment, so that the equipment is polluted; and the test solution such as blood can remain in the injector, and the test solution such as blood is easy to flow out in the process of discarding, thereby causing environmental pollution.
The application numbers are: CN201610201438.5, publication no: the utility model patent of CN106483178A discloses a blood gas analyzer and a blood gas biochemical test card thereof, which at least comprises a pressing part, a test card main body, a liquid pipeline arranged on the test card main body, and an elastic part connected with the test card main body and sealing the liquid pipeline, wherein a groove is arranged on the opposite surface of the liquid pipeline and the elastic part, the elastic part is positioned between the groove and the pressing part, and the pressing part is provided with a pressing head matched with the groove in shape. The groove is arranged in the liquid pipeline and is integrated with the liquid pipeline, so that redundant cavities do not exist, bubbles do not remain, the using amount of test liquid is reduced, and the test accuracy is improved; need not to set up the break-make switch plug in the test card main part and be used for covering the seal membrane of channel switch plug, avoid the gas leakage problem, reduce part quantity, the production of being convenient for reduces the product defective rate.
The application numbers are: CN201610069742.9, publication no: the utility model patent of CN105548532B discloses a blood gas test card, a blood gas tester and a test method. The blood gas test card comprises a card body, wherein a conveying channel is arranged on the card body, a first interface, a second interface and a third interface are respectively arranged on the conveying channel, one end of the third interface is communicated with the infusion channel, a detection part is arranged on the conveying channel between the second interface and the third interface, and a detection electrode plate is connected to the detection part. The blood gas tester comprises a shell, the blood gas test card, a calibration component, a blood sampling component and a suction pump, wherein the shell is provided with an insertion hole, and the calibration component and the suction pump are arranged in the shell in the insertion hole. The test method comprises a calibration test and a blood gas detection. The blood gas test card provided by the utility model can be recycled, and the blood gas tester has the advantages of simple operation, high detection efficiency, reduced detection cost and improved convenience and reliability in actual use.
The test card in the prior art has a complex structure, cannot meet the calibration requirement when in use, and causes larger error of a detection result and inaccurate detection result.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a test card structure of a blood gas analyzer, which is mainly used for realizing the supply of blood samples and is convenient for the blood gas analyzer to accurately detect the blood samples; the utility model has the advantages of simple structure and reasonable design, can simultaneously realize the purposes of detection and calibration when in use, and can effectively improve the accuracy of the detection result.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
a kind of blood gas analyzer test card structure, including the base and cover plate buckled with base each other, the said cover plate top surface has sample inlet and extrudes the through groove, there is sample runner communicated with said sample inlet on the opposite side of top surface, the middle part of cover plate has the first groove, there is an extrusion portion in the first groove, there are air-trapping grooves and air channels communicated with said air-trapping grooves on the said base; a calibration solution placing groove and a calibration solution flow channel communicated with the calibration solution placing groove are arranged in the middle of the base, the calibration solution placing groove corresponds to the position of the extrusion part arranged on the cover plate, a waste solution groove is also arranged on the base, and a sealing plug is arranged at the sample inlet;
a diaphragm is arranged between the base and the cover plate, the cover plate is buckled on the base through the diaphragm, the air passage is communicated with the sample flow passage through a first small hole formed in the diaphragm, a calibration liquid bag is arranged on the diaphragm below the extrusion part, and a puncturing assembly for puncturing the calibration liquid bag is arranged in the calibration liquid placing groove; the calibration solution flow channel is communicated with the sample flow channel through a second small hole arranged on the diaphragm; the tail end of the sample flow channel is communicated with the waste liquid groove through a third small hole arranged on the diaphragm;
the cover plate is provided with a detection groove, a sensor module is arranged between the base and the cover plate, one end of the sensor module is positioned in the detection groove and is used for being connected with a detection contact of the blood gas analyzer, and the other end of the sensor module extends into the sample flow channel.
In some preferred embodiments, the cover plate is provided with a recess in the rear portion thereof, and the bore seal is integrally formed with the cover plate and located in the recess.
In some preferred embodiments, the lancing assembly is a lancet disposed at the bottom of the calibration solution placement slot for lancing a packet of calibration solution.
In some preferred embodiments, the waste liquid tank is in a U-shaped structure, the tail of the waste liquid tank is connected with an air outlet channel, and the cover plate is provided with an air outlet communicated with the air outlet channel.
In some preferred embodiments, the sample flow channel is provided with a first constriction region and a second constriction region in sequence at a position close to the sample inlet.
In some preferred embodiments, the sample flow channel is connected to a buffer region through which the calibrator solution flow channel communicates with the sample flow channel.
In some preferred embodiments, the connection point of the calibration solution flow channel and the sample flow channel is in a narrow-mouth structure.
In some preferred embodiments, a positioning slot is provided on the base, the positioning slot being located at the sensor module location.
In some preferred embodiments, the cover plate is provided with a positioning and heating recess at the sensor module.
In some preferred embodiments, a two-dimensional code or a bar code is attached to the end of the base.
Compared with the prior art, the utility model has the following beneficial effects:
the device mainly comprises a base, a cover plate and a diaphragm, wherein the cover plate is buckled on the base through the diaphragm to form an integrated test structure, and a blood sample to be detected is injected into a sample inlet in actual use, so that the blood sample is temporarily stored in a sample flow channel; at the moment, the sample inlet is plugged by using a sealing plug; the blood gas analyzer is inserted into a blood gas analyzer, the blood gas analyzer firstly extrudes the extrusion part, the extrusion part extrudes the calibration liquid bag after being deformed, the calibration liquid bag is contacted with the puncturing assembly after moving downwards, the calibration liquid bag is punctured under the action of the puncturing assembly, in the process that the extrusion part is continuously pressed downwards, the calibration liquid in the calibration liquid bag enters the sample flow channel after flowing through the calibration liquid flow channel, the calibration liquid calibrates the contact of the sensor module after flowing through the sensor module, the redundant calibration liquid is discharged into a waste liquid tank, and after calibration is completed, the blood gas analyzer extrudes the diaphragm on the gas storage groove, so that the clean air in the gas storage groove enters the sample flow channel, and a blood sample to be detected slowly flows to the sensor module for detection and analysis; the utility model has the advantages of simple structure and reasonable design, and can realize the purpose of calibrating and then detecting the die when in use, thereby effectively improving the accuracy of the detection result.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the assembly relationship of the present invention.
FIG. 3 is a schematic view of a base structure according to the present invention.
FIG. 4 is a schematic view of a cover plate according to the present invention.
FIG. 5 is a second schematic view of the cover plate structure of the present invention.
FIG. 6 is a schematic view showing the installation position relationship between the sensor module and the partition plate according to the present invention.
Reference numerals:
1-base, 2-cover plate, 3-sample inlet, 4-extrusion through groove, 5-sample flow channel, 6-first groove, 7-extrusion part, 8-gas storage groove, 9-gas channel, 10-calibration solution placement groove, 11-calibration solution bag, 12-waste solution tank, 13-sealing plug, 14-diaphragm, 15-first pore, 16-second pore, 17-third pore, 18-detection groove, 19-sensor module, 20-notch, 21-gas outlet channel, 22-gas outlet hole, 23-first shrink area, 24-second shrink area, 25-buffer area, 26-positioning groove, 27-fourth pore, 28-recess, 29-puncture needle, and 30-calibration solution flow channel.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only used for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In embodiments of the utility model, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the utility model. To simplify the disclosure of embodiments of the utility model, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the utility model. Furthermore, embodiments of the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example one
As shown in the accompanying drawings 1-6 of the specification, the embodiment discloses a blood gas analyzer test card structure, which comprises a base 1 and a cover plate 2 buckled with the base 1, wherein a sample inlet 3 and an extrusion through groove 4 are arranged on the top surface of the cover plate 2, the extrusion through groove 4 penetrates through the cover plate 2, a sample flow channel 5 communicated with the sample inlet 3 is arranged on one surface, opposite to the top surface, of the cover plate 2, a first groove 6 is arranged in the middle of the cover plate 2, and an extrusion part 7 is arranged in the first groove 6;
the base 1 is provided with an air storage groove 8 and an air passage 9 communicated with the air storage groove 8; a calibration solution placing groove 10 and a calibration solution flow channel 30 communicated with the calibration solution placing groove 10 are arranged in the middle of the base 1, the calibration solution placing groove 10 corresponds to the extrusion part 7 arranged on the cover plate 2, a waste solution groove 12 is also arranged on the base 1, and a sealing plug 13 is arranged at the injection port 3;
a diaphragm 14 is arranged between the base 1 and the cover plate 2, after the cover plate 2 is buckled on the base 1 through the diaphragm 14, the air passage 9 is communicated with the sample flow channel 5 through a first small hole 15 arranged on the diaphragm 14, a calibration liquid bag 11 is arranged on the diaphragm 14 positioned below the extrusion part 7, and a piercing assembly for piercing the calibration liquid bag 11 is arranged in the calibration liquid placing groove 10; the calibration solution flow channel 30 is communicated with the sample flow channel 5 through the second small hole 16 arranged on the diaphragm 14; the end of the sample flow channel 5 is communicated with the waste liquid groove 12 through a third small hole 17 arranged on the diaphragm 14;
be provided with on the apron 2 and detect recess 18, be provided with sensor module 19 between base 1 and the apron 2, sensor module 19 one end is located and detects recess 18 and be used for being connected with the detection contact of blood gas analysis appearance, and the other end extends to in the sample runner 5.
The blood sample testing device mainly comprises a base 1, a cover plate 2 and a diaphragm 14, wherein the cover plate 2 is buckled on the base 1 through the diaphragm 14 to form an integrated testing structure, and a blood sample to be tested is injected into a sample inlet 3 in actual use, so that the blood sample is temporarily stored in a sample flow channel 5; at the moment, the injection port 3 is plugged by using a sealing plug 13; then the utility model is inserted into a blood gas analyzer, the blood gas analyzer firstly extrudes the extrusion part 7, the extrusion part 7 extrudes the calibration liquid bag 11 after being deformed, the calibration liquid bag 11 contacts with the piercing assembly after moving downwards, the calibration liquid bag 11 is pierced under the action of the piercing assembly, in the process that the extrusion part 7 is continuously pressed downwards, the calibration liquid in the calibration liquid bag 11 flows through the calibration liquid flow channel 30 and then enters the sample flow channel 5, the calibration liquid flows through the sensor module 19 and then calibrates the contact of the sensor module 19, the redundant calibration liquid is discharged into the waste liquid tank 12, after calibration is completed, the blood gas analyzer extrudes the diaphragm 14 on the gas storage groove 8, so that the clean air in the gas storage groove 8 enters the sample flow channel 5, and a blood sample to be detected slowly flows to the sensor module 19 for detection and analysis; the utility model has the advantages of simple structure and reasonable design, and can realize the purpose of calibrating and then detecting the die when in use, thereby effectively improving the accuracy of the detection result.
The puncturing assembly is a puncturing needle 29 which is arranged at the bottom of the calibration solution containing groove 10 and is used for puncturing the calibration solution bag 11, and the puncturing needle 29 is used for facilitating the calibration solution to flow into the bottom of the calibration solution containing groove 10 after puncturing the calibration solution bag 11.
Example two
The present embodiment is further optimized on the basis of the first embodiment, in the present embodiment, a gap 20 is provided at the tail portion of the cover plate 2, and the sealing plug 13 is integrally formed with the cover plate 2 and is located in the gap 20. In the implementation of reality, base 1 and apron 2 are made by injection molding process, make apron 2 and sealing plug 13 form the integral type after sealing plug 13 and apron 2 integrated into one piece and mate the structure, prevent that sealing plug 13 from losing, it is more convenient to use.
In some specific embodiments, the waste liquid tank 12 is of a U-shaped structure, an air outlet channel 21 is connected to the tail of the waste liquid tank 12, and the cover plate 2 is provided with an air outlet 22 communicated with the air outlet channel 21. The air outlet 22 is communicated with the air outlet channel 21 through a fourth small hole 27 arranged on the diaphragm 14, the waste liquid tank 12 with the U-shaped structure can better store waste liquid, and meanwhile, the structure is more reasonable, and the storage amount of the waste liquid is more; meanwhile, the air outlet holes 22 are arranged to facilitate the waste liquid to enter the waste liquid tank 12 more smoothly.
In some specific embodiments, the sample channel 5 is provided with a first constriction region 23 and a second constriction region 24 in sequence at a position close to the injection port 3.
Thus, referring to fig. 4, in actual use, it is ensured that the blood sample can better temporarily exist at the right side of the first constriction region 23 under the action of no air pressure pushing, and meanwhile, when the calibration solution is cleaned, the calibration solution can be prevented from entering the right position of the first constriction region 23 after passing through the second constriction region 24.
In some embodiments, the sample flow channel 5 is connected to a buffer area 25, and the calibrator solution flow channel 30 is connected to the sample flow channel 5 through the buffer area 25. Set up to have buffer area 25 can play the effect of buffering to the calibration solution, simultaneously, when calibration solution package 11 was pressed to extreme position, be filled with the calibration solution in the buffer area 25, avoid the blood sample when the flow through sample runner 5, the blood sample gets into in the buffer area 25.
Further preferably, the connection point of the calibration solution flow channel 30 and the sample flow channel 5 is a narrow structure, and the width of the connection point of the calibration solution flow channel 30 and the sample flow channel 5 is far smaller than the width of the calibration solution flow channel 30 or the sample flow channel 5.
Wherein, the base 1 is provided with a positioning slot 26, and the positioning slot 26 is located at the position of the sensor module 19. The positioning groove 26 can be used for limiting and fixing the base 1 after the blood gas analyzer is inserted into the blood gas analyzer, and meanwhile, the bottom of the sensor module 19 can be directly heated conveniently.
In some specific embodiments, the cover plate 2 is provided with a positioning and heating recess 28 at the sensor module 19; be convenient for realize the heating to 2 upper portions of apron, simultaneously, also make the blood gas analysis appearance can carry out better location to apron 2.
In some embodiments, a two-dimensional code or a bar code is pasted on the end of the base 1; the two-dimensional code or the bar code is used for storing information to be detected, such as detection item information.
In the present invention, the sensor module 19 has electrode contacts on the outer side, which are supported by epoxy resin to form an array, and has a sensor film array on the inner side, which is electrically contacted with the electrode contacts through small holes on the epoxy resin foil; blood samples can be detected as they flow through the sensor membrane array.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, it should be noted that any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a blood gas analysis appearance test card structure, includes the base and with the apron of the mutual lock of base, its characterized in that: the top surface of the cover plate is provided with a sample inlet and an extrusion through groove, a sample flow passage communicated with the sample inlet is arranged on the surface opposite to the top surface, the middle part of the cover plate is provided with a first groove, an extrusion part is arranged in the first groove, and the base is provided with an air storage groove and an air passage communicated with the air storage groove; a calibration solution placing groove and a calibration solution flow channel communicated with the calibration solution placing groove are arranged in the middle of the base, the calibration solution placing groove corresponds to the position of the extrusion part arranged on the cover plate, a waste solution groove is also arranged on the base, and a sealing plug is arranged at the sample inlet;
a diaphragm is arranged between the base and the cover plate, the cover plate is buckled on the base through the diaphragm, the air passage is communicated with the sample flow passage through a first small hole formed in the diaphragm, a calibration liquid bag is arranged on the diaphragm below the extrusion part, and a puncture assembly for puncturing the calibration liquid bag is arranged in the calibration liquid placing groove; the calibration solution flow channel is communicated with the sample flow channel through a second small hole arranged on the diaphragm; the tail end of the sample flow channel is communicated with the waste liquid groove through a third small hole arranged on the diaphragm;
the cover plate is provided with a detection groove, a sensor module is arranged between the base and the cover plate, one end of the sensor module is positioned in the detection groove and is used for being connected with a detection contact of the blood gas analyzer, and the other end of the sensor module extends into the sample flow channel.
2. The blood gas analyzer test card structure of claim 1, wherein: the tail of the cover plate is provided with a gap, and the sealing plug and the cover plate are integrally formed and are positioned in the gap.
3. The blood gas analyzer test card structure of claim 1, wherein: the puncturing assembly is a puncturing needle which is arranged at the bottom of the calibration liquid placing groove and is used for puncturing the calibration liquid bag.
4. The blood gas analyzer test card structure of claim 1, wherein: the waste liquid tank is of a U-shaped structure, the tail of the waste liquid tank is connected with an air outlet channel, and the cover plate is provided with an air outlet communicated with the air outlet channel.
5. The blood gas analyzer test card structure of claim 1, wherein: a first shrinkage area and a second shrinkage area are sequentially arranged on the sample flow channel and close to the sample inlet.
6. The blood gas analyzer test card structure of claim 1, wherein: the sample flow channel is connected with a buffer area, and the calibration solution flow channel is communicated with the sample flow channel through the buffer area.
7. The blood gas analyzer test card structure of claim 6, wherein: the connecting point of the calibration liquid flow channel and the sample flow channel is in a narrow-mouth structure.
8. The blood gas analyzer test card structure of claim 1, wherein: be provided with the constant head tank on the base, the constant head tank is located sensor module position department.
9. The blood gas analyzer test card structure of claim 8, wherein: the cover plate is provided with a positioning and heating recess at the position of the sensor module.
10. The blood gas analyzer test card structure according to any one of claims 1 to 9, wherein: two-dimensional codes or bar codes are stuck at the end parts of the base.
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| CN202122986412.5U CN216484763U (en) | 2021-11-30 | 2021-11-30 | Test card structure of blood gas analyzer |
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| CN202122986412.5U CN216484763U (en) | 2021-11-30 | 2021-11-30 | Test card structure of blood gas analyzer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115991324A (en) * | 2023-03-24 | 2023-04-21 | 成都斯马特科技有限公司 | Release paper film tearing device and method |
| CN116539701A (en) * | 2023-07-07 | 2023-08-04 | 北京几何科技有限公司 | Reagent card for urine detection and detection method |
| CN117471093A (en) * | 2023-12-28 | 2024-01-30 | 成都斯马特科技有限公司 | Blood gas analyzer test card and use method |
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2021
- 2021-11-30 CN CN202122986412.5U patent/CN216484763U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115991324A (en) * | 2023-03-24 | 2023-04-21 | 成都斯马特科技有限公司 | Release paper film tearing device and method |
| CN115991324B (en) * | 2023-03-24 | 2023-08-04 | 成都斯马特科技有限公司 | Release paper film tearing device and method |
| CN116539701A (en) * | 2023-07-07 | 2023-08-04 | 北京几何科技有限公司 | Reagent card for urine detection and detection method |
| CN116539701B (en) * | 2023-07-07 | 2023-09-15 | 北京几何科技有限公司 | Reagent card for urine detection and detection method |
| CN117471093A (en) * | 2023-12-28 | 2024-01-30 | 成都斯马特科技有限公司 | Blood gas analyzer test card and use method |
| CN117471093B (en) * | 2023-12-28 | 2024-03-15 | 成都斯马特科技有限公司 | Blood gas analyzer test card and use method |
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