CN204008654U - Biological test piece - Google Patents
Biological test piece Download PDFInfo
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- CN204008654U CN204008654U CN201420301310.2U CN201420301310U CN204008654U CN 204008654 U CN204008654 U CN 204008654U CN 201420301310 U CN201420301310 U CN 201420301310U CN 204008654 U CN204008654 U CN 204008654U
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- Prior art keywords
- reaction zone
- biological test
- insulating spacer
- edge
- transparent area
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- TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 description 4
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- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
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Landscapes
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The utility model provides a biological test piece, including insulating base plate, electrode unit, first insulation spacer and the insulating spacer of second. The electrode unit is disposed on the insulating substrate. The first insulating spacer covers a portion of the electrode unit and includes a reaction zone flow channel at a first edge of the first insulating spacer. A portion of the electrode unit is exposed to the reaction zone flow channel. A second insulating spacer overlies the first insulating spacer and includes a transparent viewing area at a second edge of the second insulating spacer. The transparent observation area exposes at least a part of the reaction area flow channel, two opposite long sides of the transparent observation area are not two parallel straight lines, and the width close to the second edge in the transparent observation area is larger than the width far away from the second edge.
Description
Technical field
The utility model relates to a kind of biological test piece, and particularly relevant for a kind of biological test piece of easier observed samples situation.
Background technology
In the plentiful modern times of diet, the disease causing because of eating habit gets more and more, according to the World Health Organization (WHO), add up, 2000 Christian eras, the whole world approximately had 100,000,000 5 thousand ten thousand people to suffer from angiocardiopathy, and concerning needs are monitored the people of condition (as blood sugar, blood fat etc.) for a long time, reliable electrochemical measurement system seems all the more important and is indispensable instrument in life.
Traditional biological test piece (for example galvanochemistry test piece) is comprised of the insulation course of insulated substrate, electrode unit, cover part electrode, the lower insulating spacer and the upper insulating spacer that are provided with reaction zone runner.During use, user need splash into blood the reaction zone runner of biological test piece, treats that blood sample detects after filling up reaction zone runner again.Generally speaking, in order to allow user can know whether blood sample has filled up reaction zone runner, and upper insulating spacer is provided with the transparent sight hole of the shape that is rectangle conventionally.As United States Patent (USP) has disclosed a kind of transparent or semitransparent observation window No. 5997817, this observation window also has interstitial wire, can allow user see that blood sample has filled up reaction zone runner.Yet, because the transparent sight hole of current biological test piece presents elongated rectangular shape, two long limits of transparent sight hole are parallel and quite close, two too close long limits are owing to there is no in shape obvious visual contrast, for old or caliginous user, be quite difficult to identification and enter blood situation, and make biological test piece can not reflect real testing result.
Utility model content
The utility model provides a kind of biological test piece, its easier observed samples situation.
A kind of biological test piece of the present utility model, comprises insulated substrate, electrode unit, the first insulating spacer and the second insulating spacer.Electrode unit is disposed on insulated substrate.The electrode unit of the first insulating spacer cover part and comprise the reaction zone runner at the first edge that is positioned at the first insulating spacer.The electrode unit of part is exposed to reaction zone runner.The second insulating spacer is covered in the first insulating spacer and comprises the transparent area of observation coverage at the second edge that is positioned at the second insulating spacer.The transparent area of observation coverage exposes the reaction zone runner of at least a portion, two relative non-two parallel lines in long limit of the transparent area of observation coverage, and in the transparent area of observation coverage, the width near the second edge is greater than the width away from the second edge.
In an embodiment of the present utility model, two long limits of the above-mentioned transparent area of observation coverage are two uneven straight lines.
In an embodiment of the present utility model, two long limits of the above-mentioned transparent area of observation coverage are two camber lines.
In an embodiment of the present utility model, each long limit of the above-mentioned transparent area of observation coverage is formed by connecting by multistage straight line, and in these straight lines, at least one and other these straight lines are non-parallel.
In an embodiment of the present utility model, each long limit of the above-mentioned transparent area of observation coverage is combined by straight line and camber line.
In an embodiment of the present utility model, the part on two long limits of the above-mentioned transparent area of observation coverage is parallel.
In an embodiment of the present utility model, the above-mentioned transparent area of observation coverage is convergent from the width near the second edge to the width away from the second edge.
In an embodiment of the present utility model, the above-mentioned transparent area of observation coverage is and first increases the trend subtracting to the width away from the second edge from the width near the second edge.
In an embodiment of the present utility model, each long limit of the above-mentioned transparent area of observation coverage is stepped.
In an embodiment of the present utility model, the above-mentioned transparent area of observation coverage exposes at least eighty per cant reaction zone runner.
In an embodiment of the present utility model, the second above-mentioned insulating spacer is anti-ultraviolet insulating spacer.
In an embodiment of the present utility model, also comprise insulation course, be disposed between electrode unit and the first insulating spacer, insulation course comprises hollow area and is depressed at least one recess at edge, hollow area and recess are corresponding to reaction zone runner, and the electrode unit of part is exposed to hollow area and recess.
In an embodiment of the present utility model, also comprise responding layer, comprise the first reaction zone and second reaction zone, the first reaction zone is positioned at recess, and second reaction zone is positioned at hollow area, the electrode unit of the first reaction zone and cover part, second reaction zone.
In an embodiment of the present utility model, the projection that above-mentioned hollow area and recess are projected to the first insulating spacer is positioned at reaction zone runner.
In an embodiment of the present utility model, the second above-mentioned insulating spacer comprises identification unit, and identification unit is positioned on the second insulating spacer the one end away from the transparent area of observation coverage.
In an embodiment of the present utility model, the one end away from reaction zone runner in electrode unit exposes to the first insulating spacer and the second insulating spacer.
In an embodiment of the present utility model, one end away from reaction zone runner of above-mentioned electrode unit is suitable for being electrically connected to bio-measurement instrument.
In an embodiment of the present utility model, above-mentioned insulated substrate has interior concane gap in the side corresponding to the transparent area of observation coverage.
In an embodiment of the present utility model, the second edge of the second above-mentioned insulating spacer is outer convex.
In an embodiment of the present utility model, also comprise responding layer, be arranged in reaction zone runner and cover the electrode unit that is positioned at reaction zone runner, wherein, responding layer comprises the first reaction zone and second reaction zone, and the first reaction zone is near the second edge, and second reaction zone is near air hole.
Based on above-mentioned, the transparent area of observation coverage of the biological test piece of this novel creation by its two relative long non-two parallel lines in limit and in the transparent area of observation coverage width near the second edge be greater than the design away from the width of the second edge, obvious visual contrast is provided, user can observe from the transparent area of observation coverage situation that is filled in reaction zone runner such as samples such as blood more easily, effectively reduces and fails to be full of the probability that reaction zone runner causes biological test piece test crash because of sample.
For above-mentioned feature and advantage of the present utility model can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.
Accompanying drawing explanation
Figure 1A is the exploded perspective view of a kind of biological test piece of an embodiment of the present utility model;
Figure 1B is the partial perspective schematic diagram of the biological test piece of Figure 1A;
Fig. 2 A is the schematic top plan view of the biological test piece of Figure 1A;
Fig. 2 B to Fig. 2 H is respectively the schematic top plan view of a kind of biological test piece of another embodiment of the present utility model;
Fig. 3 is the schematic diagram that the electrode unit of the biological test piece of Figure 1A is connected with a biological measuring instrument;
Fig. 4 is the exploded perspective view of a kind of biological test piece of another embodiment of the present utility model.
Description of reference numerals:
10: bio-measurement instrument;
11: connector;
12: computing unit;
13: analog-digital converter;
14: processor;
15: display;
16: power supply unit;
100,100a-100g, 200: biological test piece;
110,210: insulated substrate;
120,220: electrode unit;
122,222: first end;
124: the second ends;
130,230: the first insulating spacers;
132: the first edges;
134,234: reaction zone runner;
140,240: the second insulating spacers;
142,142a-142g, 242: the second edges;
144,244: air hole;
146,146a-146g, 246: the transparent area of observation coverage;
148: identification unit;
150,250: responding layer;
152: the first reaction zones;
154: second reaction zone;
212: interior concane gap;
260: insulation course;
262: hollow area;
264: recess.
Embodiment
Figure 1A is the exploded perspective view of a kind of biological test piece of an embodiment of the present utility model.Figure 1B is the partial perspective schematic diagram of the biological test piece of Figure 1A.Fig. 2 A is the schematic top plan view of the biological test piece of Figure 1A.Refer to Figure 1A, Figure 1B and Fig. 2 A, the biological test piece 100 of the present embodiment comprises insulated substrate 110, electrode unit 120, the first insulating spacer 130 and the second insulating spacer 140.In the present embodiment, biological test piece 100 is in order to receive the galvanochemistry test piece of user's blood sample, in order to measure the numerical value of Blood Glucose, cholesterol, uric acid, lactic acid, protoheme etc.Certainly, the kind of biological test piece 100 and the project of measurement be not as restriction.
In the present embodiment, insulated substrate 110 for thering is even curface, there is the base material of electrical insulating property and temperature capacity that can resistance to 40 ℃~120 ℃.The material of insulated substrate 110 can comprise the combination in any of Polyvinylchloride (PVC), glass fibre (FR-4), polyester (polyester suphone), bakelite plate, poly terephthalic acid diethylester (PET), polycarbonate (PC), polypropylene (PP), tygon (PE), polystyrene (PS), glass plate, pottery or above-mentioned material.Certainly, the material of insulated substrate 110 is not limited in this.
As shown in Figure 1A, electrode unit 120 is disposed on insulated substrate 110.Electrode unit 120 comprises relative first end 122 and the second end 124.In the present embodiment, electrode unit 120 can be comprised of the electrode of a plurality of mutually insulateds each other.Figure 1A only illustrates wherein a kind of configuration of electrode unit 120, but the configuration of electrode unit 120 can be different in response to various demands, do not limit the arrangement between these electrodes, also do not limit the quantity of electrode, deviser can be according to the required electrode that increases and decreases of practical application, not as restriction.
The material of electrode unit 120 can be any conductive materials, for example the combination in any of palladium glue, platinum glue, gold size, titanium glue, carbon paste, elargol, copper glue, gold and silver epoxy glue, carbon silver epoxy glue or above-mentioned conductive material.In one embodiment, electrode unit 120 is consisted of conductive carbon bisque.In another embodiment, electrode unit 120 is consisted of metal level.In another embodiment, electrode unit 120 is comprised of conductive silver glue-line and the conductive carbon bisque that is located thereon, and wherein the impedance of this conductive carbon bisque is generally much larger than conductive silver glue-line or other metal glue-lines.
The electrode unit 120 of the first insulating spacer 130 cover parts (namely part first end 122) and comprise the reaction zone runner 134 at the first edge 132 that is positioned at the first insulating spacer 130.As shown in Figure 1B, first end 122 is exposed to reaction zone runner 134.Sample (for example blood) is suitable for seeing through capillary action and inserts reaction zone runner 134, to carry out follow-up electrochemical reaction.Generally speaking, as long as reaction zone runner 134 can expose the electrode unit 120 of part and provide sufficient space that sample is entered.
Go back to Figure 1A, in the present embodiment, two long limits stepped (namely reaction zone runner 134 is anti-convex shape along the first edge 132 to the direction away from the first edge 132) of reaction zone runner 134, and reaction zone runner 134 is greater than the width away from 132 places, the first edge at the width near 132 places, the first edge.In other embodiments, reaction zone runner 134 can be also rectangular vertical bar shaped, fan-shaped, circular, arc or polygon, and the shape of reaction zone runner 134 is not with the above-mentioned system that is limited.
The material of the first insulating spacer 130 can be including but not limited to polyvinyl chloride insulation adhesive tape, ethylene terephthalate insulating tape, heated drying type insullac or ultraviolet curing type insullac.In addition, in manufacturing the process of the first insulating spacer 130, the first insulating spacer 130 that cuts out reaction zone runner 134 can be positioned on insulated substrate 110 and electrode unit 120, or can select to avoid the opposite end of electrode unit 120, directly in the mode of printing, on the insulated substrate 110 of part and electrode unit 120, form the first insulating spacer 130.Certainly, the manufacture of the first insulating spacer 130 is not limited to this.
In the present embodiment, in reaction zone runner 134, at least there is responding layer 150, this responding layer 150 at least covers and is arranged in the electrode unit 120 of reaction zone runner 134 and comprises at least one active substance and conducting medium, in order to for example, to produce chemical reaction with sample (blood).In one embodiment, active substance refers to and comprises through immobilization or not immobilized enzyme, as glucose oxidase, antigen, antibody, microbial cell, animal and plant cells, animal vegetable tissue have the composition of biological identification capability.Conducting medium is to receive the electronics producing after activating substance reacts with blood sample, and this electronics is transmitted to bio-measurement instrument via electrode unit.Its composition can be, but not limited to enzyme (as glucase), conducting medium (as potassium ferricyanide), phosphate buffer, protective agent (as: albumen, dextrin, dextran, amino acid etc.).
In another embodiment, responding layer 150 can comprise the first 152Ji second reaction zone, reaction zone 154.The first reaction zone 152 is positioned at the region at close the second edge 142, namely wider Na mono-district in the type of reaction zone runner 134.Second reaction zone 154 is positioned at the region of close air hole 144, namely narrower Na mono-district in the type of reaction zone runner 134.
The first reaction zone 152 is non-activity material measurement zone (as entering blood measurement or Hematocrit measurement etc.), and active substance and conducting medium measurement zone (as blood sugar, uric acid or Cholesterol measurement) are contained in second reaction zone 154.Yet, the utility model does not limit the content of the first 152Ji second reaction zone, reaction zone 154, the first 152Ji second reaction zone, reaction zone 154 also can have simultaneously identical or different active substance, also all non-activity material or wherein a district there is active substance, another district does not have active matter pledge.
In the present embodiment, the second insulating spacer 140 is covered in the electrode unit 120 of the first insulating spacer 130, part and the insulated substrate 110 of part.Because the second insulating spacer 140 covers on the reaction zone runner 134 of the first insulating spacer 130 completely, make the upper and lower, left and right of reaction zone runner 134 in three other walls encirclements of reaction zone runner 134, be formed the tubular of five face closures by the second insulating spacer 140, insulated substrate 110, the first insulating spacer 130.When the blood sampling mouth that sees through biological test piece 100 when sample enters reaction zone runner 134, the adhesion of blood sample in reaction zone runner 134 can be greater than the cohesion of blood sample, and makes blood sample continue to advance.
In the present embodiment, the first edge 132 of the first insulating spacer 130, generally speaking the second edge 142 of the second insulating spacer 140 and the same lateral edges of insulated substrate 110 are all outer convex, in addition, as shown in Figure 1A, these relative response district, edge runner 134 front-end positions of insulated substrate 110 are concave inward structure, the biological test piece 100 of the present embodiment utilizes the evagination tip at the second edge 142 of the second insulating spacer 140 and the concave inward structure of insulated substrate 110 relative response district runner 134 front-end positions and destroys the cohesion of blood, and the capillarity of arranging in pairs or groups is to reach the function of entering fast blood.In addition, in the present embodiment, the second insulating spacer 140 also comprises air hole 144, and it is positioned at compared with the position away from the second edge 142, is namely positioned at the end of the reaction zone runner 134 of the first insulating spacer 130.Air hole 144 is in order to discharge the gas in reaction zone runner 134, to avoid blood sample to be blocked by bubble, cannot advance smoothly reaction zone runner 134 is interior.In the present embodiment, air hole 144 be shaped as square, but in other embodiments, the shape of air hole 144 also can be circle, ellipse, rectangle, rhombus or polygon etc., the shape of air hole 144 is not with the above-mentioned system that is limited.In addition, the second insulating spacer 140 can be coated with water wettability partition (not shown) at the lower surface that approaches reaction zone runner 134, to strengthen the capillary action of the inside wall of reaction zone runner 134, so that sample can more promptly be imported in reaction zone runner 134.
As shown in Figure 1B and Fig. 2 A, in order to allow user can see that sample enters the situation of reaction zone runner 134, in the present embodiment, the second insulating spacer 140 comprises the transparent area of observation coverage 146 at the second edge 142 that is positioned at the second insulating spacer 140.The transparent area of observation coverage 146 exposes the reaction zone runner 134 of at least a portion, and for example, the transparent area of observation coverage 146 exposes at least eighty per cant reaction zone runner 134.In a better embodiment, the transparent area of observation coverage 146 exposes complete reaction zone runner 134.During use, if user observes blood sample from the transparent area of observation coverage 146, fill up, the capacity of representative sample is enough.Otherwise, if observe blood sample from the transparent area of observation coverage 146, not yet fill up and have blank space, just user can continue to provide blood sample maybe the biological test piece 100 that enters blood deficiency to be abandoned.
It should be noted that, in order user can be judged more easily insert the sample size of biological test piece 100 whether enough, specially the transparent area of observation coverage 146 is designed to two relative non-two parallel lines in long limit, and the width near 142 places, the second edge is greater than the width away from the second edge 142 in the transparent area of observation coverage 146.In more detail, each long limit of the transparent area of observation coverage 146 is angled straight lines.The transparent area of observation coverage 146 is from the width near the second edge 142 to present the trend of convergent away from the width at 142 places, the second edge.Above-mentioned design can make the change of shape of the transparent area of observation coverage 146 that preferably visual contrast can be provided, for user's judgement sample capacity.
In addition, due to the conducting medium that is positioned at responding layer runner 134 material such as ferrous compound (such as red blood iron) for multiselect, when red blood iron can produce chemical change during by a large amount of UV-irradiation and lose function originally.For fear of this situation, occur; in the present embodiment; the second insulating spacer 140 is anti-ultraviolet insulating spacer; for example; the anti-UV diaphragm of 8908 environment-friendly type, the economical diaphragm of IJ1220-114GUV and 8519 transparent protective films etc. that 3M company produces, to prevent accidentally biological test piece 100 being exposed to for a long time to the lower situation that causes biological test piece 100 losses of function of ultraviolet ray because of user.
In addition, go back to Figure 1A, in the present embodiment, the second insulating spacer 140 also comprises identification unit 148, and identification unit 148 is positioned on the second insulating spacer 140 one end away from the transparent area of observation coverage 146.Identification unit 148 comprises a plurality of electrical components, and the allocation position of these electrical components, quantity, shape can be used to distinguish the kind of biological test piece 100, and then adopts corresponding correction parameter or pattern to measure.In other words, the identification code of the quantity of these electrical components and determining positions biological test piece 100, for example, the devices such as bio-measurement instrument can be distinguished the kind of biological test piece 100 accordingly.
Electrical components can be the various electrical components with electric conductivity, for example, have the electrical components of passive device electrical property feature.In one embodiment, electrical components can be resistance, its material is identical with electrode unit, and its formation method can be such as being wire mark (screen printing), impression (imprinting), thermal transfer (thermal transfer printing), method of spin coating (spin coating), ink jet printing (ink-jetprinting), laser stripping plating (laser ablation), deposition (deposition), electroplating technology such as (electrodeposition).In another embodiment, the electrical components that identification unit 148 comprises also can be resistance, electric capacity, inductance and/or its combination.
Certainly, the shape of the transparent area of observation coverage 146 of the second insulating spacer 140 is not limited in above-mentioned design, enumerates other embodiment below for your guidance.Fig. 2 B to Fig. 2 H is respectively the schematic top plan view according to a kind of biological test piece of another embodiment of the present utility model.Please first consult Fig. 2 B, in the present embodiment, each long limit of transparent area of observation coverage 146a is formed by connecting by multistage straight line, each long limit of transparent area of observation coverage 146a is stepped, and straight line corresponding in the two long limits of transparent area of observation coverage 146a is all parallel, so that transparent area of observation coverage 146a has in fact two kinds of width, and transparent area of observation coverage 146a is greater than the width away from the section of the second 142a of edge at the width of the section near the second edge 142a.
In Fig. 2 C, each long limit of transparent area of observation coverage 146b is camber line, and transparent area of observation coverage 146b is from the width near the second 142b of edge to the width away from the second edge 142b the trend that first increasing subtracts again.
In Fig. 2 D, each long limit of transparent area of observation coverage 146c is formed by connecting by multistage straight line, and these straight lines in each long limit are all non-parallel.In the present embodiment, the part on two of transparent area of observation coverage 146c long limits (namely away from the second 142c place, edge) is parallel.Transparent area of observation coverage 146c is in the close section of the second edge 142c, transparent area of observation coverage 146c is convergent from the width near the second edge 142c to the width away from the second 142c place, edge, and transparent area of observation coverage 146c has identical width in the section away from the second edge 142c.
In Fig. 2 E, each long limit of transparent area of observation coverage 146d is formed by connecting by two sections of minutes parallel straight lines, and transparent area of observation coverage 146d is from the width near the second edge 142d to the width away from the second 142d place, edge the trend that first increasing subtracts again.
The difference of Fig. 2 F and Fig. 2 A is, in Fig. 2 A, the minor face of the transparent area of observation coverage 146 (namely away from the second edge 142e limit) is camber line, and in Fig. 2 F, the minor face of transparent area of observation coverage 146e (namely away from the second edge 142e limit) is formed by connecting by two straight lines.
In Fig. 2 G, each long limit of transparent area of observation coverage 146f is combined by camber line and straight line.In more detail, each long limit of transparent area of observation coverage 146f is being camber line near the second 142f place, edge, away from the second 142f place, edge, it is straight line, and transparent area of observation coverage 146f presents first and increases afterwards and subtract to the width away from the second 142f place, edge from the width near the second edge 142f, the trend reducing rapidly more afterwards.
The limit of the transparent area of observation coverage 146g of Fig. 2 H is formed by two uneven straight lines, and transparent area of observation coverage 146g is convergent from the width near the second edge 142g to the width away from the second 142g place, edge, so that transparent area of observation coverage 146g is fan-shaped.
The above-mentioned transparent area of observation coverage 146, the design of 146a-146g also have obvious vision difference with respect to traditional rectangle, and the width near the second edge 142,142a-142g place in the transparent area of observation coverage 146,146a-146g is greater than the design away from the width at the second edge 142,142a-142g place, contributes to user to see through the sample (for example blood) that the transparent area of observation coverage 146,146a-146g observation enter biological test piece 100,100a-100g and measure.
In addition, biological test piece 100 can be used for being connected to bio-measurement instrument 10 (for example measuring the instrument of blood sugar, cholesterol, uric acid, lactic acid, protoheme), with interpretation testing result.Fig. 3 is the schematic diagram that the electrode unit of the biological test piece of Figure 1A is connected with a biological measuring instrument.Please refer to Figure 1A, Fig. 2 A and Fig. 3, the second end 124 away from reaction zone runner 134 in electrode unit 120 exposes to the first insulating spacer 130 and the second insulating spacer 140.Second end 124 away from reaction zone runner 134 of electrode unit 120 is suitable for being electrically connected to bio-measurement instrument 10, with and bio-measurement instrument 10 between form electrical loop.
Enumerating wherein a kind of bio-measurement instrument 10 is herein example, to illustrate how bio-measurement instrument 10 reads biological test piece 100, but the kind of bio-measurement instrument 10, element and and biological test piece 100 between action relationships not as limit.Bio-measurement instrument 10 comprises connector 11, the computing unit 12 for the concentration that converts, analog-digital converter (analog to digital converter, ADC) 13, processor 14, display 15 and the power supply unit 16 in order to external connection.After blood sample enters the reaction zone runner 134 of biological test piece 100, blood sample can be distributed in the part of first end 122 for electrode unit 120.When the power supply unit 16 of bio-measurement instrument 10 applies electric signal to electrode unit 120, blood sample and electric signal can produce corresponding reaction signal and by connector 11, be sent to the computing unit 12 of bio-measurement instrument 10.Then, by computing unit 12, this reaction signal is changed, is outputed to analogy digital quantizer 13, to obtain digitized reaction signal, this digitized reaction signal via processor 14, further process and/or via display 15 by display measurement result.
Fig. 4 is the exploded perspective view of a kind of biological test piece of another embodiment of the present utility model.Refer to Fig. 4, the biological test piece of the present embodiment 200 is with the Main Differences of the biological test piece 100 of Figure 1A, and in the present embodiment, biological test piece 200 also comprises insulation course 260, is disposed between electrode unit 220 and the first insulating spacer 230.Insulation course 260 comprises hollow area 262 and is depressed at least one recess 264 at edge, in the present embodiment, insulation course 260 comprises two recesses 264, and hollow area 262 is with recess 264 corresponding to reaction zone runner 234, and a part for the first end 222 of electrode unit is exposed to hollow area 262 and recess 264.
In the present embodiment, responding layer 250 comprises the first 252Ji second reaction zone, reaction zone 254.The electrode unit 220 of the first 254 cover parts, 252Yu second reaction zone, reaction zone.The first reaction zone 252 is near the second edge 242, and second reaction zone 254 is near air hole 244.Or rather, the first reaction zone 252 is positioned at recess 264, and second reaction zone 254 is positioned at hollow area 262.Generally speaking, the first reaction zone 252 is non-activity material measurement zone (as entering blood measurement or Hematocrit measurement etc.), and active substance and conducting medium measurement zone (as blood sugar, uric acid or Cholesterol measurement) are contained in second reaction zone 254.Yet, the utility model does not limit the content of the first 252Ji second reaction zone, reaction zone 254, the first 252Ji second reaction zone, reaction zone 254 also can have simultaneously identical or different active substance, also all non-activity material or wherein a district there is active substance, another district does not have active matter pledge.
As shown in Figure 4, in the present embodiment, the position of hollow area 262 and recess 264 is corresponding to the position of reaction zone runner 234, and the size of hollow area 262 and recess 264 is less than or equal to the size of reaction zone runner 234.In other words, hollow area 262 is positioned at reaction zone runner 234 with the projection that recess 264 is projected to the first insulating spacer 230.In addition, the material of insulation course 260 can comprise polyvinyl chloride insulation adhesive tape, ethylene terephthalate insulating tape, heated drying type insullac or ultraviolet light drying type insullac, but the material of insulation course 260 not this above-mentioned material for restriction.
In addition, in order to increase the capillary action of blood sample in reaction zone runner 234, insulated substrate 210 has interior concane gap 212 in the side corresponding to the transparent area of observation coverage 246, and the second edge 242 of the second insulating spacer 240 is outer convex, the difference by upper and lower shape increases the capillarity of blood sample in reaction zone runner 234.
In the present embodiment, the transparent area of observation coverage 246 of biological test piece 200 is to be also expressly designed to two relative non-two parallel lines in long limit, and the width near 242 places, the second edge is greater than the width away from 242 places, the second edge in the transparent area of observation coverage 246.In more detail, each long limit straight line for tilting of the transparent area of observation coverage 246, and the transparent area of observation coverage 246 is from the width near the second edge 242 to present the trend of convergent away from the width at 242 places, the second edge.Above-mentioned design can make the change of shape of the transparent area of observation coverage 246 that preferably visual contrast is provided, for user's judgement sample capacity.
In sum, the transparent area of observation coverage of biological test piece of the present utility model by its relative two long non-two parallel lines in limit and in the transparent area of observation coverage width near the second edge be greater than the design away from the width of the second edge, obvious visual contrast is provided, user can observe from the transparent area of observation coverage situation that is filled in reaction zone runner such as samples such as blood more easily, effectively reduces and fails to be full of the probability that reaction zone runner causes biological test piece test crash because of sample.
Finally it should be noted that: each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit above; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (20)
1. a biological test piece, is characterized in that, comprising:
Insulated substrate;
Electrode unit, is disposed on this insulated substrate;
The first insulating spacer, this electrode unit of cover part and comprise the reaction zone runner at the first edge that is positioned at this first insulating spacer, wherein, this electrode unit of part is exposed to this reaction zone runner; And
The second insulating spacer, be covered in this first insulating spacer and comprise the transparent area of observation coverage at the second edge that is positioned at this second insulating spacer, wherein, this transparent area of observation coverage exposes this reaction zone runner of at least a portion, two relative non-two parallel lines in long limit of this transparent area of observation coverage, and in this transparent area of observation coverage, the width near this second edge is greater than the width away from this second edge.
2. biological test piece according to claim 1, is characterized in that, the long limit of this of this transparent area of observation coverage two is two uneven straight lines.
3. biological test piece according to claim 1, is characterized in that, the long limit of this of this transparent area of observation coverage two is two camber lines.
4. biological test piece according to claim 1, is characterized in that, each long limit of this of this transparent area of observation coverage is formed by connecting by multistage straight line, and in those straight lines, at least one and other those straight lines are non-parallel.
5. biological test piece according to claim 1, is characterized in that, wherein this each long limit of this transparent area of observation coverage is combined by straight line and camber line.
6. biological test piece according to claim 1, is characterized in that, wherein the part on these two long limits of this transparent area of observation coverage is parallel.
7. biological test piece according to claim 1, is characterized in that, this transparent area of observation coverage is convergent from the width near this second edge to the width away from this second edge.
8. biological test piece according to claim 1, is characterized in that, this transparent area of observation coverage is and first increases the trend subtracting to the width away from this second edge from the width near this second edge.
9. biological test piece according to claim 1, is characterized in that, wherein this each long limit of this transparent area of observation coverage is stepped.
10. biological test piece according to claim 1, is characterized in that, this transparent area of observation coverage exposes this reaction zone runner of at least eighty per cant.
11. biological test pieces according to claim 1, is characterized in that, this second insulating spacer is anti-ultraviolet insulating spacer.
12. biological test pieces according to claim 1, is characterized in that, also comprise:
Insulation course, be disposed between this electrode unit and this first insulating spacer, this insulation course comprises hollow area and is depressed at least one recess at edge, and this hollow area and this at least one recess are corresponding to this reaction zone runner, and this electrode unit of part is exposed to this hollow area and this at least one recess.
13. biological test pieces according to claim 1, is characterized in that, also comprise:
Responding layer, comprises the first reaction zone and second reaction zone, and this first reaction zone is positioned at this at least one recess, and this second reaction zone is positioned at this hollow area, this electrode unit of this cover part, Yu Gai second reaction zone, the first reaction zone.
14. biological test pieces according to claim 1, is characterized in that, the projection that this hollow area and this at least one recess are projected to this first insulating spacer is positioned at this reaction zone runner.
15. biological test pieces according to claim 1, is characterized in that, this second insulating spacer comprises identification unit, and this identification unit is positioned on this second insulating spacer the one end away from this transparent area of observation coverage.
16. biological test pieces according to claim 1, is characterized in that, the one end away from this reaction zone runner in this electrode unit exposes to this first insulating spacer and this second insulating spacer.
17. biological test pieces according to claim 1, is characterized in that, wherein this end away from this reaction zone runner of this electrode unit is suitable for being electrically connected to bio-measurement instrument.
18. biological test pieces according to claim 1, is characterized in that, this insulated substrate has interior concane gap in the side corresponding to this transparent area of observation coverage.
19. biological test pieces according to claim 1, is characterized in that, this second edge of this second insulating spacer is outer convex.
20. biological test pieces according to claim 1, it is characterized in that, also comprise responding layer, be arranged in this reaction zone runner and cover this electrode unit that is positioned at this reaction zone runner, this responding layer comprises the first reaction zone and second reaction zone, this first reaction zone is near this second edge, and this second reaction zone is near this air hole.
Applications Claiming Priority (2)
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TW103207165 | 2014-04-24 | ||
TW103207165U TWM488635U (en) | 2014-04-24 | 2014-04-24 | Biological test sheet |
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CN204008654U true CN204008654U (en) | 2014-12-10 |
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CN201420301310.2U Active CN204008654U (en) | 2014-04-24 | 2014-06-06 | Biological test piece |
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TW (1) | TWM488635U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114544725A (en) * | 2020-11-25 | 2022-05-27 | 五鼎生物技术股份有限公司 | Biochemical test piece |
EP3870964A4 (en) * | 2018-10-19 | 2022-10-26 | Avalon Hepapoc Limited | Galactose rapid quantitative detection system and use thereof |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI750663B (en) * | 2015-07-22 | 2021-12-21 | 五鼎生物技術股份有限公司 | Electrochemical test strip, strip board and method for generating the same |
-
2014
- 2014-04-24 TW TW103207165U patent/TWM488635U/en unknown
- 2014-06-06 CN CN201420301310.2U patent/CN204008654U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3870964A4 (en) * | 2018-10-19 | 2022-10-26 | Avalon Hepapoc Limited | Galactose rapid quantitative detection system and use thereof |
CN114544725A (en) * | 2020-11-25 | 2022-05-27 | 五鼎生物技术股份有限公司 | Biochemical test piece |
Also Published As
Publication number | Publication date |
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TWM488635U (en) | 2014-10-21 |
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