CN220512853U - Whole blood detection device for home self-test - Google Patents
Whole blood detection device for home self-test Download PDFInfo
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- CN220512853U CN220512853U CN202321739590.0U CN202321739590U CN220512853U CN 220512853 U CN220512853 U CN 220512853U CN 202321739590 U CN202321739590 U CN 202321739590U CN 220512853 U CN220512853 U CN 220512853U
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- needle
- cylinder
- bottom plate
- rack
- buffer liquid
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- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 239000008280 blood Substances 0.000 title claims abstract description 25
- 210000004369 blood Anatomy 0.000 title claims abstract description 25
- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 239000000872 buffer Substances 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 239000012790 adhesive layer Substances 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000009534 blood test Methods 0.000 claims description 5
- 230000036512 infertility Effects 0.000 claims description 3
- 231100000956 nontoxicity Toxicity 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 210000000852 deltoid muscle Anatomy 0.000 description 8
- 238000010241 blood sampling Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 208000002193 Pain Diseases 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 208000004296 neuralgia Diseases 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model relates to the technical field of medical equipment, in particular to a whole blood detection device for home self-test, which comprises a cover plate, a bottom plate and a puncture structure, wherein a limit hole, a knob and a test paper observation window are arranged on the cover plate, and the limit hole is used for inserting and fixing the puncture structure; the bottom plate is connected with the cover plate, an adhesive layer is arranged on the lower side surface of the bottom plate, a sealing film is adhered on the adhesive layer, a first pinhole is formed in the bottom plate, and a gasket, a central cavity, a buffer liquid groove, a test paper groove and a negative pressure component are arranged on the upper side surface of the bottom plate; the needle of the puncture structure is hidden in the cylindrical barrel, so that a user cannot generate great psychological pressure, after the needle punctures the skin, the needle can be quickly retracted into the cylindrical barrel under the action of the spring after the needle stretches out for a preset length, and the stretching length of the needle is fixed, so that the depth of puncturing the skin is fixed, the user is not required to master the skin, and the operation difficulty is reduced.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a whole blood detection device for home self-detection.
Background
At present, home blood detection generally adopts blood sampling to puncture a ring finger tip, then drops blood on blood detection test paper to detect, then drops into buffer solution to avoid blood coagulation, accelerates the flow rate of blood in the test paper, and the mode is troublesome to operate, and the depth of puncturing the finger of a blood sampling needle is difficult to master by different people, too shallow blood sampling needle can lead to too little bleeding amount, so that the pain of a user is increased, too deep blood sampling needle can also increase pain, and because the blood sampling needle is exposed outside, great mental pressure can be caused for people of the terrorist needle, therefore, the home self-detection whole blood detection device convenient to operate is provided.
Disclosure of Invention
The utility model aims to provide a whole blood detection device for home self-test, which aims to solve the problems in the background technology. The specific technical scheme is as follows:
to achieve the above and other objects, the present utility model provides a whole blood testing device for home self-test, comprising a cover plate, a bottom plate and a lancing structure, wherein,
the cover plate is provided with a limiting hole, a knob and a test paper observation window, and the limiting hole is used for inserting and fixing the puncture structure;
the bottom plate is connected with the cover plate, an adhesive layer is arranged on the lower side surface of the bottom plate, a sealing film is adhered on the adhesive layer, a first pinhole is formed in the bottom plate, and a gasket, a central cavity, a buffer liquid groove, a test paper groove and a negative pressure component are arranged on the upper side surface of the bottom plate; the gasket is arranged at the periphery of the first pinhole, the gasket is communicated with a central cavity through a first pipeline, the central cavity is respectively communicated with a buffer liquid groove and a test paper groove through a second pipeline and a third pipeline, whole blood test paper is placed in the test paper groove, a buffer liquid bag is placed in the buffer liquid groove, one section of the second pipeline, which is positioned in the buffer liquid groove, is of a spike-shaped structure and is used for puncturing the buffer liquid bag, an extrusion block is arranged on the buffer liquid bag and is connected with a knob, the extrusion block is used for extruding the buffer liquid bag, the negative pressure assembly comprises a connecting body, an air channel is arranged on the connecting body, one end of the air channel is communicated with the central cavity, the other end of the air channel is provided with a connecting port, an injector is arranged on the connecting port, and an injection handle of the injector is arranged outside the cover plate;
the utility model provides a puncture structure, including cylinder, syringe needle, spring, first rack, second rack, gear, ejector pin and spacing ring, cylinder downside is provided with the second pinhole, the syringe needle passes through spring coupling inside the cylinder, and the spring is used for upwards pressing the syringe needle, first rack with syringe needle fixed connection, first rack sliding connection in the spout of seting up at cylinder inner wall for first rack can only slide from top to bottom, the meshing has the gear on the first rack, the opposite side meshing of gear has the second rack, fixedly connected with ejector pin on the second rack, the ejector pin slides the diapire of running through the cylinder, reaches the outside of cylinder, is provided with the spacing ring on the ejector pin, the spacing ring contacts with cylinder inner bottom wall for carry out spacingly to the ejector pin.
Preferably, a sealing element is arranged at the bottom of the cylinder, the sealing element is used for blocking the second needle hole, a rubber ring is arranged between the limiting ring and the bottom wall of the cylinder, the rubber ring is used for sealing the limiting ring and the cylinder, medical alcohol is filled in the cylinder, and the medical alcohol is used for soaking the needle, so that the sterility and the non-toxicity of the needle are maintained.
Preferably, an arc plate is arranged in the buffer tank, a notch corresponding to the arc plate is formed in the extrusion block, and the bottom of the extrusion block is movably connected with the upper side face of the arc plate.
Preferably, a limiting block is arranged above the circular arc plate, the limiting block is arranged at the edge of the circular arc plate, and the limiting block is used for blocking the notch of the extrusion block.
The whole blood detection device for home self-test provided by the utility model has the following beneficial effects: by arranging the cover plate, the bottom plate and the puncture structure;
1. the bottom plate can be adhered to the arm, blood is collected at the deltoid muscle of the arm, the pain nerve distribution of the skin at the deltoid muscle is relatively less, and the feeling of puncturing the skin at the deltoid muscle is obviously less than that of puncturing the finger;
2. the needle of the puncture structure is hidden in the cylindrical barrel, so that a user cannot generate great psychological pressure, after the needle punctures the skin, the needle can be quickly retracted into the cylindrical barrel under the action of the spring after the needle stretches out for a preset length, and the stretching length of the needle is fixed, so that the depth of puncturing the skin is fixed, the user is not required to master the skin, and the operation difficulty is reduced;
3. after puncturing the skin, outwards take out the injection handle with the hand, make the interior negative pressure that produces of central cavity, blood is under the effect of negative pressure, in the first pipeline enters into central cavity from the point of puncturing, push down the knob again this moment, the knob extrudees the buffer package through the extrusion piece, deposit the buffer in sealed buffer package, can avoid the buffer to suffer the pollution, the buffer package is expanded after receiving extrusion, then pricked by the tip of second pipeline, the buffer enters into blood through the second pipeline and mixes, and enter into the test paper inslot through the third pipeline, wait for can look over the result of whole blood test paper through the test paper observation window after one.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a whole blood detection device for home self-test according to the present utility model,
FIG. 2 is a schematic perspective view of a whole blood testing device for home self-test according to the present utility model at another view angle,
figure 3 is a schematic perspective view of the base plate of the present utility model,
FIG. 4 is a schematic diagram showing the positional relationship between a buffer tank and a buffer pack and an arc plate in the present utility model,
fig. 5 is a schematic view of the internal structure of the lancing structure according to the present utility model.
Detailed Description
The utility model provides a whole blood detection device for home self-test, which is further described in detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of the present utility model will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.
In the description of the present utility model, the terms "first," "second," and the like 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 defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the illustrations, not according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.
To this end, the present utility model provides a whole blood testing device for home self-test, as shown in FIGS. 1 to 5, comprising a cap plate 100, a base plate 200 and a lancing structure 300, wherein,
the cover plate 100 is provided with a limiting hole 101, a knob 102 and a test paper observation window 103, wherein the limiting hole 101 is used for inserting and fixing the puncture structure 300;
the bottom plate 200 is connected with the cover plate 100, an adhesive layer 201 is arranged on the lower side surface of the bottom plate 200, a sealing film is adhered on the adhesive layer 201, a first pinhole 202 is formed on the bottom plate 200, and a gasket 203, a central cavity 204, a buffer liquid groove 205, a test paper groove 206 and a negative pressure component are arranged on the upper side surface of the bottom plate 200; the gasket 203 is arranged at the periphery of the first pinhole 202, the gasket 203 is communicated with the central cavity 204 through a first pipeline 207, the central cavity 204 is respectively communicated with the buffer liquid tank 205 and the test paper tank 206 through a second pipeline 208 and a third pipeline 209, the whole blood test paper 210 is placed in the test paper tank 206, the buffer liquid bag 211 is placed in the buffer liquid tank 205, one section of the second pipeline 208 positioned in the buffer liquid tank 205 is in a spike-shaped structure and is used for puncturing the buffer liquid bag 211, the buffer liquid bag 211 is provided with a squeezing block 212, the squeezing block 212 is connected with the knob 102, the squeezing block 212 is used for squeezing the buffer liquid bag 211, the negative pressure assembly comprises a connector 213, an air passage is arranged on the connector 213, one end of the air passage is communicated with the central cavity 204, the other end of the air passage is provided with a connecting port 214, an injector 215 is arranged on the connecting port 214, an injection handle of the injector 215 is arranged outside the cover plate 100, and air in the central cavity 204 can be pumped out by using the injector 215 through pumping out the injection handle, so that negative pressure is generated inside the central cavity 204;
the puncture structure 300 comprises a cylindrical barrel 301, a needle head 302, a spring 303, a first straight rack 304, a second straight rack 305, a gear 306, a push rod 307 and a limiting ring 308, wherein a second needle hole 310 is formed in the lower side surface of the cylindrical barrel 301, the needle head 302 is connected inside the cylindrical barrel 301 through the spring 303, the spring 303 is used for pressing the needle head 302 upwards, the first straight rack 304 is fixedly connected with the needle head 302, the first straight rack 304 is slidably connected in a sliding groove formed in the inner wall of the cylindrical barrel 301, the first straight rack 304 can only slide up and down, the gear 306 is meshed with the first straight rack 304, the second straight rack 305 is meshed with the other side of the gear 306, the push rod 307 is fixedly connected with the second straight rack 305, the push rod 307 slides through the bottom wall of the cylindrical barrel 301 to the outside of the cylindrical barrel 301, the limiting ring 308 is arranged on the push rod 307, and the limiting ring 308 is in contact with the inner bottom wall of the cylindrical barrel 301 for limiting the push rod 307.
When in use, firstly, the skin at the deltoid muscle is scrubbed by alcohol cotton, then the sealing film is torn off from the bonding layer 201, the bottom plate 200 is adhered to the arm through the bonding layer 201, the pain nerve distribution of the skin at the deltoid muscle is relatively less, the feeling of puncturing the skin at the deltoid muscle is obviously less than that of puncturing the finger, therefore, the blood sampling is carried out at the deltoid muscle of the arm, after the sticking is firm, the puncturing structure 300 is inserted into the limiting cylinder, when the needle head 302 is taken up, the inside of the cylindrical cylinder 301 is hidden, therefore, the user cannot generate larger psychological pressure, the ejector rod 307 firstly pushes the bottom plate 200, then the ejector rod 307 is compressed, the ejector rod 307 pushes the second straight rack 305 to move upwards, under the transmission of the second straight rack 305, the first straight rack 304 and the gear 306, the first straight rack 304 drives the needle head 302 to move downwards, the needle head 302 sequentially passes through the second needle hole 310 and the first needle hole 202, and then the skin is punctured, when the needle 302 extends for a predetermined length, the second straight rack 305 is separated from the gear 306, at this time, the needle 302 is quickly retracted into the cylinder 301 under the action of the spring 303, the extending length of the needle 302 is fixed, therefore, the depth of puncturing the skin is fixed, no need of the user's skill is required, the operation difficulty is reduced, after puncturing the skin, the injection handle is pumped outwards by hand, so that negative pressure is generated in the central cavity 204, blood enters into the central cavity 204 from the puncturing point through the first pipeline 207 under the action of the negative pressure, at this time, the knob 102 is pressed down again, the knob 102 presses the buffer bag 211 through the pressing block 212, the buffer is stored in the sealed buffer bag 211, the buffer is prevented from being polluted, the buffer bag 211 is inflated after being pressed, then is punctured by the end part of the second pipeline 208, the buffer enters into the blood through the second pipeline 208 for mixing, and enters the test paper tank 206 through the third pipeline 209, and after waiting for a meeting, the result of the whole blood test paper 210 can be checked through the test paper observation window 103.
In order to ensure safe use of the needle head 302, a sealing member 309 is arranged at the bottom of the cylindrical barrel 301, the sealing member 309 is used for blocking the second needle hole 310, a rubber ring is arranged between the limiting ring 308 and the bottom wall of the cylindrical barrel 301, the rubber ring is used for realizing sealing between the limiting ring 308 and the cylindrical barrel 301, medical alcohol is filled in the cylindrical barrel 301 and used for soaking the needle head 302, and sterility and non-toxicity of the needle head 302 are maintained; in application, the sealing member 309 is removed, medical alcohol in the cylinder 301 is poured onto cotton wool, and then the cotton wool is used for scrubbing skin at deltoid muscle, and the sealing member 309 can be a rubber plug, a plastic plug or an adhesive tape.
In order to prevent misoperation, the buffer tank 205 is provided with an arc plate 216, and the extrusion block 212 is provided with a notch 217 corresponding to the arc plate 216, the bottom of the extrusion block 212 is movably connected with the upper side surface of the arc plate 216, when in use, the extrusion block 212 is contacted with the upper side surface of the arc plate 216, the knob 102 cannot be pressed at this time, when the knob 102 needs to be pressed, the knob 102 is rotated first, so that the notch 217 corresponds to the arc plate 216, at this time, the knob 102 can be pressed down, the buffer bag 211 is extruded, and the buffer bag 211 is prevented from being punctured due to the fact that the knob is touched by mistake.
In order to conveniently determine the rotation angle of the knob 102, a limiting block 218 is arranged above the circular arc plate 216, the limiting block 218 is arranged at the edge of the circular arc plate 216, the limiting block 218 is used for blocking the notch 217 of the extrusion block 212, at the beginning, one side of the notch 217 of the extrusion block 212 contacts with the limiting block 218, at the moment, the extrusion block 212 contacts with the upper side surface of the circular arc plate 216, at the moment, the knob 102 cannot be pressed down, the knob 102 can only rotate in one direction, when the other side of the notch 217 of the extrusion block 212 contacts with the limiting block 218, the knob 102 cannot continue to rotate in the direction, at the moment, the notch 217 corresponds to the circular arc plate 216, and the knob 102 is pressed.
Finally, it should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (4)
1. A whole blood detection device for home self-test is characterized by comprising a cover plate, a bottom plate and a puncturing structure, wherein,
the cover plate is provided with a limiting hole, a knob and a test paper observation window, and the limiting hole is used for inserting and fixing the puncture structure;
the bottom plate is connected with the cover plate, an adhesive layer is arranged on the lower side surface of the bottom plate, a sealing film is adhered on the adhesive layer, a first pinhole is formed in the bottom plate, and a gasket, a central cavity, a buffer liquid groove, a test paper groove and a negative pressure component are arranged on the upper side surface of the bottom plate; the gasket is arranged at the periphery of the first pinhole, the gasket is communicated with a central cavity through a first pipeline, the central cavity is respectively communicated with a buffer liquid groove and a test paper groove through a second pipeline and a third pipeline, whole blood test paper is placed in the test paper groove, a buffer liquid bag is placed in the buffer liquid groove, one section of the second pipeline, which is positioned in the buffer liquid groove, is of a spike-shaped structure and is used for puncturing the buffer liquid bag, an extrusion block is arranged on the buffer liquid bag and is connected with a knob, the extrusion block is used for extruding the buffer liquid bag, the negative pressure assembly comprises a connecting body, an air channel is arranged on the connecting body, one end of the air channel is communicated with the central cavity, the other end of the air channel is provided with a connecting port, an injector is arranged on the connecting port, and an injection handle of the injector is arranged outside the cover plate;
the utility model provides a puncture structure, including cylinder, syringe needle, spring, first rack, second rack, gear, ejector pin and spacing ring, cylinder downside is provided with the second pinhole, the syringe needle passes through spring coupling inside the cylinder, and the spring is used for upwards pressing the syringe needle, first rack with syringe needle fixed connection, first rack sliding connection in the spout of seting up at cylinder inner wall for first rack can only slide from top to bottom, the meshing has the gear on the first rack, the opposite side meshing of gear has the second rack, fixedly connected with ejector pin on the second rack, the ejector pin slides the diapire of running through the cylinder, reaches the outside of cylinder, is provided with the spacing ring on the ejector pin, the spacing ring contacts with cylinder inner bottom wall for carry out spacingly to the ejector pin.
2. The device for detecting whole blood for home self-test according to claim 1, wherein a sealing member is arranged at the bottom of the cylinder, the sealing member is used for blocking the second needle hole, a rubber ring is arranged between the limiting ring and the bottom wall of the cylinder, the rubber ring is used for sealing between the limiting ring and the cylinder, medical alcohol is filled in the cylinder, and the medical alcohol is used for soaking the needle, so that sterility and non-toxicity of the needle are maintained.
3. The whole blood detection device for home self-test according to claim 2, wherein an arc plate is arranged in the buffer tank, a notch corresponding to the arc plate is formed in the extrusion block, and the bottom of the extrusion block is movably connected with the upper side surface of the arc plate.
4. A whole blood detection device for home self-test according to claim 3, wherein a stopper is provided above the circular arc plate, the stopper is disposed at an edge of the circular arc plate, and the stopper is used for blocking a notch of the extrusion block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321739590.0U CN220512853U (en) | 2023-07-04 | 2023-07-04 | Whole blood detection device for home self-test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321739590.0U CN220512853U (en) | 2023-07-04 | 2023-07-04 | Whole blood detection device for home self-test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220512853U true CN220512853U (en) | 2024-02-23 |
Family
ID=89934531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321739590.0U Active CN220512853U (en) | 2023-07-04 | 2023-07-04 | Whole blood detection device for home self-test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220512853U (en) |
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2023
- 2023-07-04 CN CN202321739590.0U patent/CN220512853U/en active Active
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