CN215005438U - Reagent strip - Google Patents

Abstract

The utility model relates to a reagent strip, which comprises a reagent strip body and a handle connected with the reagent strip body, wherein a cleaning position, a reaction position, a measuring and reading position, a packaging position and a cleaning hole are sequentially arranged on the reagent strip body along the transverse length direction of the reagent strip body; the cleaning holes comprise a cleaning liquid packaging hole and a puncture needle cleaning hole arranged in the cleaning liquid packaging hole, and the puncture needle cleaning hole is configured to enable the puncture needle to spit out the sucked cleaning liquid so as to form a vortex in the puncture needle cleaning hole to clean the outer wall of the puncture needle. Through being provided with puncture needle cleaning hole in washing liquid encapsulation hole to when making puncture needle absorb behind the quantitative washing liquid and remove to the puncture needle cleaning hole and spit out the washing liquid, thereby the washing liquid is formed with the vortex in puncture needle cleaning hole and is cleared up the outer wall of puncture needle, convenient and fast.

Description

Reagent strip

[ technical field ] A method for producing a semiconductor device

The utility model relates to a reagent strip belongs to medical instrument technical field.

[ background of the invention ]

Along with the continuous deepening of the national classification diagnosis and treatment policy, the outpatient quantity increasing rate of the primary and secondary hospitals, community health hospitals and other basic medical institutions is promoted, and in the process, the demand of POCT products is continuously increased, wherein the single-person reagent kit is simple to operate compared with a plurality of persons, no reagent is wasted, no bottle is opened, no liquid path system is arranged in the instrument, and the packaging mode is most suitable for the type of hospitals at present.

The single-person reagent strip is formed by filling a reagent, a cleaning solution and a substrate required by single detection in the reagent strip, sealing the reagent strip by using an aluminum foil film, and directly inserting the reagent strip into an instrument for testing during use. In the prior art, a cleaning liquid path system needs to be added in the instrument separately to clean the puncture needle before the puncture needle absorbs a substrate, so that the substrate is prevented from being polluted, and the structure of the full-automatic chemiluminescence immunoassay analyzer is too complicated.

Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.

[ Utility model ] content

An object of the utility model is to provide a reagent strip, it can accomplish the washing to the puncture needle in the washing hole, simple structure, and convenient and fast.

The utility model aims at realizing through the following technical scheme: a reagent strip comprises a reagent strip body and a handle connected with the reagent strip body, wherein a cleaning position, a reaction position, a measurement and reading position, a packaging position and a cleaning hole are sequentially arranged on the reagent strip body along the transverse length direction of the reagent strip body;

the cleaning holes comprise a cleaning liquid packaging hole and a puncture needle cleaning hole arranged in the cleaning liquid packaging hole, and the puncture needle cleaning hole is configured to enable a puncture needle to spit out the sucked cleaning liquid so as to form a vortex in the puncture needle cleaning hole to clean the outer wall of the puncture needle.

In one embodiment, in the height direction of the reagent strip body, the height of the puncture needle cleaning hole is smaller than that of the cleaning liquid packaging hole.

In one embodiment, the reagent strip body further comprises a first sealing film covering the washing hole to seal the washing hole.

In one embodiment, the reading site is disposed at a central location of the body of the test strip.

In one embodiment, the periphery of the reading position is also provided with a reading groove which is in butt joint with a photomultiplier of the reader.

In one embodiment, the packaging position comprises a first hole for placing a spare reagent, a second hole for placing a substrate, a third hole for storing magnetic beads and a fourth hole for storing a reagent which are arranged in sequence; the reagent strip body further comprises a second sealing film for covering the first hole, the second hole, the third hole and the fourth hole to form a seal.

In one embodiment, the reagent strip body is further provided with a magnetic sleeve pre-installing hole for placing a magnetic sleeve, and the magnetic sleeve pre-installing hole is formed in one side, close to the handle, of the cleaning hole.

In one embodiment, the reagent strip body is further provided with a dilution position, and the dilution position is arranged between the cleaning position and the reaction position.

In one embodiment, the reagent strip body further comprises a photoelectric switch baffle plate arranged on one side of the cleaning position far away from the handle, and the photoelectric switch baffle plate is used for judging whether the reagent strip is loaded in place.

In one embodiment, the reagent strip body and the handle are integrally formed.

Compared with the prior art, the utility model discloses following beneficial effect has: through being provided with puncture needle cleaning hole in washing liquid encapsulation hole to when making puncture needle absorb behind the quantitative washing liquid and remove to the puncture needle cleaning hole and spit out the washing liquid, thereby the washing liquid is formed with the vortex in puncture needle cleaning hole and is cleared up the outer wall of puncture needle, convenient and fast.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of the reagent strip of the present invention.

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is a schematic view of the lancet of the present invention being placed in the lancet cleaning hole.

[ detailed description ] embodiments

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The terms "comprising" and "having," as well as any variations thereof, in the present application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1 to 3, a reagent strip according to a preferred embodiment of the present invention includes a reagent strip body 10 and a handle 20 connected to the reagent strip body 10. The reagent strip body 10 and the handle 20 may be integrally formed, or may be separately formed and then fixedly connected by welding, bonding, fastening, or the like. In the embodiment, in order to simplify the manufacturing process, the reagent strip body 10 and the handle 20 are integrally formed, and the mold opening cost is saved. It is noted that in this embodiment, the reagent strip body 10 and the handle 20 are black, so as to ensure the function of shielding light and avoid the substrate inside the reagent strip from being exposed to light and being ineffective.

Along the horizontal length direction of reagent strip body 10, wash position 101, reaction position 103, survey and read position 104, encapsulation position and washing hole 109 have set gradually on the reagent strip body 10. In this embodiment, three washing sites 101 are provided, and the three washing sites 101 are independently provided, so that the formed mixture coated with magnetic beads can be thoroughly washed. Indeed, in other embodiments, the number of the cleaning sites 101 may be one or other, and is not limited herein, depending on the actual situation.

The reaction sites 103 are disposed at one side of the three cleaning sites 101, and the aperture and the depth of the aperture are consistent with those of the cleaning sites 101, so as to facilitate the mold opening and manufacturing of the mold. The reagent strip body 10 is further provided with a dilution position 102, and the dilution position 102 is arranged between the cleaning position 101 and the reaction position 103. Similarly, the pore diameter and pore depth of the dilution site 102 are the same as those of the washing site 101 and the reaction site 103, and the effects are the same as those described above.

The reading site 104 is disposed at a central location of the reagent strip body 10. Specifically, in the present embodiment, the reading bit 104 is disposed between the reaction bit 103 and the packaging bit. The purpose of this is to: the measurement and reading position 104 needs to be in butt joint with a measurement and reading device, so that the reagent strip is prevented from tilting after the measurement and reading position 104 is pressed by the measurement and reading device from the upper part, the reagent strip is damaged, and even the final measurement and reading effect is influenced. The periphery of the measurement and reading position 104 is also provided with a measurement and reading groove 1041 which is in butt joint with a photomultiplier of the measurement and reading device, and the measurement and reading groove 1041 is just in clamping with the photomultiplier so as to improve the measurement and reading efficiency.

The packaging position comprises a first hole 105 for placing a standby reagent, a second hole 106 for placing a substrate, a third hole 107 for storing magnetic beads and a fourth hole 108 for storing a reagent which are arranged in sequence; the reagent strip body 10 further includes a second sealing film for sealing the first hole 105, the second hole 106, the third hole 107 and the fourth hole 108. In this embodiment, the second sealing film is an aluminum foil composite film, which is easy to puncture. However, in other embodiments, the second sealing film may be other sealing films as long as the above-mentioned effects are achieved, and is not particularly limited herein, depending on the actual situation.

The cleaning hole 109 includes a cleaning liquid packaging hole 1091 and a puncture needle cleaning hole 1092 disposed in the cleaning liquid packaging hole 1091, and the cleaning liquid packaging hole 1091 is used to store all the cleaning liquids required for the test, including the cleaning liquid for washing the magnetic beads 3 times and the cleaning liquid for washing the inner and outer walls of the puncture needle 1 time. Wherein the lancet cleaning hole 1092 is configured such that the lancet spits out the sucked cleaning liquid to form a vortex within the lancet cleaning hole 1092 to clean the outer wall of the lancet. In the height direction of the reagent strip body 10, the height of the lancet cleaning hole 1092 is smaller than the height of the cleaning liquid sealing hole 1091. In order to prevent the eddy motion failure, the present embodiment is implemented by quantitatively packaging and filling the cleaning solution.

The reagent strip body 10 further includes a first sealing film which is provided over the washing hole 109 to seal the washing hole 109. In this embodiment, the first sealing film is also an aluminum foil composite film. In addition, for convenience of packaging, the first sealing film and the second sealing film are integrated, that is, the packaging position and the cleaning hole 109 are packaged and sealed at one time.

The reagent strip body 10 is further provided with a magnetic sleeve pre-installing hole 110 for placing a magnetic sleeve, and the magnetic sleeve pre-installing hole 110 is arranged on one side of the cleaning hole 109 close to the handle 20. The magnetic sleeve can be used as an adsorption carrier for the magnetic bead coated reactant, and can be used for cleaning and stirring the magnetic bead coated reactant. Meanwhile, the reagent strip body 10 further comprises a photoelectric switch baffle 111 arranged on one side of the cleaning position 101, which is far away from the handle 20, and the photoelectric switch baffle 111 is used for judging whether the reagent strips are loaded in place, so that the operation of the subsequent steps is not influenced.

In summary, the following steps: through being provided with puncture needle cleaning hole 1092 in washing liquid encapsulation hole 1091 to when making puncture needle absorb behind the quantitative washing liquid and move to puncture needle cleaning hole 1092 and spit out the washing liquid, thereby the washing liquid is formed with the vortex in puncture needle cleaning hole 1092 and is cleared up the outer wall of puncture needle, convenient and fast.

The above is only a specific embodiment of the present invention, and other improvements made on the premise of the inventive concept are all considered as the protection scope of the present invention.

Claims (10)

1. A reagent strip is characterized by comprising a reagent strip body and a handle connected with the reagent strip body, wherein a cleaning position, a reaction position, a reading position, a packaging position and a cleaning hole are sequentially arranged on the reagent strip body along the transverse length direction of the reagent strip body;

the cleaning holes comprise a cleaning liquid packaging hole and a puncture needle cleaning hole arranged in the cleaning liquid packaging hole, and the puncture needle cleaning hole is configured to enable a puncture needle to spit out the sucked cleaning liquid so as to form a vortex in the puncture needle cleaning hole to clean the outer wall of the puncture needle.

2. The reagent strip of claim 1, wherein the lancet cleaning hole is shorter in height than the cleaning solution sealing hole in the height direction of the reagent strip body.

3. The reagent strip of claim 1 wherein the reagent strip body further comprises a first sealing membrane disposed over the purge orifice to seal the purge orifice.

4. The reagent strip of claim 1, wherein the reading site is disposed at a central location of the body of the reagent strip.

5. The reagent strip of claim 1, wherein the periphery of the reading position is further provided with a reading groove which is in butt joint with a photomultiplier of the reader.

6. The reagent strip of claim 1, wherein the packaging site comprises a first well for holding a spare reagent, a second well for holding a substrate, a third well for storing magnetic beads, and a fourth well for storing a reagent, which are arranged in this order; the reagent strip body further comprises a second sealing film for covering the first hole, the second hole, the third hole and the fourth hole to form a seal.

7. The reagent strip of claim 1, wherein the reagent strip body is further provided with a magnetic sleeve pre-installation hole for placing a magnetic sleeve, and the magnetic sleeve pre-installation hole is arranged on one side of the cleaning hole close to the handle.

8. The reagent strip of claim 1, wherein the reagent strip body is further provided with a dilution site, and the dilution site is disposed between the washing site and the reaction site.

9. The reagent strip of claim 1, wherein the reagent strip body further comprises a photoelectric switch baffle plate disposed on a side of the washing site away from the handle, the photoelectric switch baffle plate being configured to determine whether the reagent strip is loaded in place.

10. The reagent strip of claim 1, wherein the reagent strip body and the handle are integrally formed.

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