CN202533435U - Test strip with function of desiccating agent - Google Patents
Test strip with function of desiccating agent Download PDFInfo
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- CN202533435U CN202533435U CN2012200665196U CN201220066519U CN202533435U CN 202533435 U CN202533435 U CN 202533435U CN 2012200665196 U CN2012200665196 U CN 2012200665196U CN 201220066519 U CN201220066519 U CN 201220066519U CN 202533435 U CN202533435 U CN 202533435U
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- drying agent
- reaction film
- sample pad
- chip
- test strips
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Abstract
The utility model discloses a test strip with a function of a desiccating agent. The test strip comprises a sample pad, a reaction film, a desiccating agent sheet and a pressing layer, wherein one end of the reaction film is overlapped with the sample pad, and the other end of the reaction film is overlapped with the desiccating agent sheet; and the pressing layer is adhered to the back side of the reaction film overlapped with the sample pad and the desiccating agent sheet. According to the utility model, the desiccating agent sheet is overlapped with the tail end of a diagnosing test strip, functions of a water absorbing pad and a desiccating agent of a traditional diagnosing product are achieved, and cost of a raw material and assembling is saved.
Description
[technical field]
The utility model relates to a kind of test strips, relates in particular to a kind of test strips that has the drying agent function, is applied to the quick diagnosis technical field.
[background technology]
Test strips is widely used in the quick diagnosis technical field, can be used for detecting the analyte in blood, the urine, both can be used for qualitative detection, also can be used for detection by quantitative.But when test strips is exposed in the air, be prone to the moisture in the absorbing air, thereby change its character, influence testing result.Only under dry environment, preserve test strips, just can make its normal performance detection effect in shelf life.The drying that be to keep test strips, in the packing of quick diagnosis product, the drying agent pouch that adds molecular sieve type or silica gel type reaches this effect usually.The end of tradition fast diagnose test paper bar is superimposed with adsorptive pads usually, and much more more the quick diagnosis product under the syphonic effect of the terminal adsorptive pads of test strips, lets and to detect sample through test strips after adding the detection sample like this, makes the detection signal raising.But; There is following shortcoming in the tradition diagnostic products: need this assembly of drying agent to realize the desiccant dehumidification function in the shelf life in packing; On test strips, need to integrate this assembly of adsorptive pads and realize absorbent function, as far as manufacturer, two assemblies had both increased raw materials cost; Increased assembly process again, the cost and risk of production run is improved.
[utility model content]
The utility model technical matters to be solved is to overcome existing defective in the above-mentioned prior art; A kind of test strips that has the drying agent function is provided; It adopts a kind of drying agent chip; Promptly solve an assembly and realized problems dry and two kinds of functions of suction, saved raw materials cost and assembly cost.
For solving the problems of the technologies described above, the utility model provides a kind of test strips that has the drying agent function, and said test strips comprises sample pad, reaction film, drying agent chip and presses down layer; One end of said reaction film is superimposed with sample pad, and the other end of reaction film is superimposed with drying agent chip; The said reaction film back side that is superimposed with sample pad, drying agent chip is bonded with and presses down layer.
Said drying agent chip can be fiber drying agent sheet, and this drying agent chip has drying and absorbent function.
The no any overlay film in drying agent chip surface at said drying agent chip and the superimposed place of said reaction film.
Except that said drying agent chip and other parts of drying agent chip surface that said reaction film is superimposed sentencing overlay film can be arranged, the effect of this overlay film is that protection drying agent chip surface does not make moist and not contaminated.
The covering material on said drying agent chip surface is PET.
Said sample pad material is spun glass or filter paper or the product F usion of the medical group of General Electric (China) 5.
Said reaction film material is nitrocellulose filter or nylon membrane or the product F usion of the medical group of General Electric (China) 5.
Said sample pad and reaction film can adopt commaterial.For example, said sample pad and reaction film all adopt the product F usion of the medical group of General Electric (China) 5.
The said reaction film front that is superimposed with sample pad, drying agent chip also is bonded with presses layer.
Press layer on said or press down layer to be covered with material, sample pad, reaction film and drying agent chip are bonded together with viscosity with sample pad, reaction film and drying agent chip contact position.
Said laminated or the end length that presses down layer are for can cover the superimposed place of sample pad and reaction film at least; Press down layer to multipotency and all cover sample pad; Last pressure layer will guarantee that sample pad can have part not by its covering; The said laminated or the other end that presses down layer be for covering the superimposed place of reaction film and drying agent chip at least, all covers drying agent chip to multipotency.
Said laminated or press down the layer can form by left and right sides two parts; The starting point of a part is for can cover the superimposed place of sample pad and reaction film at least; One end in contact of this part terminal point and reaction film is bonding; The starting point of another part is that the other end with reaction film is bonding, and terminal point be for covering the superimposed place of reaction film and drying agent chip at least, all covers drying agent chip to multipotency.
The utility model compared with prior art has following beneficial effect: the utility model is terminal when superimposed with drying agent chip and diagnosis test paper, can be used as this diagnostic products adsorptive pads and drying agent simultaneously.A kind of like this drying agent chip has been born the adsorptive pads function and the functions/drying of traditional diagnostic products simultaneously, has saved raw materials cost and assembly cost.
[description of drawings]
Fig. 1 is the structural representation that the utility model embodiment 1 has the test strips of drying agent function;
Fig. 2 is the structural representation that the utility model embodiment 2 has the test strips of drying agent function;
Fig. 3 is the structural representation that the utility model embodiment 3 has the test strips of drying agent function;
Fig. 4 is the structural representation that the utility model embodiment 4 has the test strips of drying agent function;
Fig. 5 is the structural representation that the utility model embodiment 5 has the test strips of drying agent function;
Fig. 6 is the structural representation that the utility model embodiment 6 has the test strips of drying agent function;
Fig. 7 is the structural representation that the utility model embodiment 7 has the test strips of drying agent function;
Fig. 8 is the structural representation that the utility model embodiment 8 has the test strips of drying agent function;
Description of reference numerals is following among the figure:
The 1st, drying agent chip;
The 2nd, reaction film;
The 3rd, sample pad;
The 4th, the superimposed district of drying agent chip and reaction film;
The 5th, last pressure layer;
The 6th, press down layer.
[embodiment]
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation:
The drying agent chip that adopts in following examples and the Test Example is a fiber drying agent sheet, available from Shanghai Hengyuan Macromolecular Materials Co., Ltd.; The sample pad and the reaction film that adopt are available from the medical group of General Electric (China).
Referring to Fig. 1-8, spraying concentration is the blue emulsion particle that the pan coating of 4mg/mL has the hCG antibody A on the sample pad material, and diameter of particle is 400nm, and spraying finishes material is placed 50 ℃ of environment oven dry; Spraying concentration is that hCG antibody B and the concentration of 1mg/mL are 1mg/mL control line capture antibody on the reaction film material; HCG antibody B position on the reaction film is the detection line display position; Control line capture antibody spraying position on the reaction film is the control line display position, and spraying finishes material is placed 50 ℃ of environment oven dry; A kind of drying agent chip 1; Be cut into length and be 2 centimetres, wide be 8 millimeters tablet; With the sample pad material be cut into length be 2.5 centimetres, wide be 8 millimeters tablet (referring to sample pad 3 among Fig. 1-8); With reaction film be cut into length be 3.5 centimetres, wide be 8 millimeters tablets (referring to reaction films 2 among Fig. 1-8); The back side of sample pad that cuts 3 and reaction film 2 is fitted together to press down layer 6, and, use again and press layer 5 to be bonded in the front of drying agent chip 1, sample pad 3 and reaction film 2 drying agent chip 1 and reaction film 2 terminal superimposed (can be bonded in drying agent chip 1 and reaction film 2) through pressing down layer 6; Be assembled into the test strips that has the drying agent function, the assembling form can adopt following various ways:
Among the embodiment 1, as shown in Figure 1, press down the whole drying agent chip of layer 6 bonding covering 1, reaction film 2 and sample pad 3, last starting point of pressing layer 5 is for covering the superimposed place of sample pad 3 and reaction film 2, and terminal point is for covering the superimposed place of reaction film 2 and drying agent chip 1.
Among the embodiment 2, as shown in Figure 2, press down the whole drying agent chip of layer 6 bonding covering 1, reaction film 2 and sample pad 3; Last pressure layer 5 is divided into two parts, and a part covers the superimposed place of sample pad 3 and reaction film 2, and another part covers the superimposed place of reaction film 2 and drying agent chip 1.
Among the embodiment 3, as shown in Figure 3, press down the whole drying agent chip of layer 6 bonding covering 1, reaction film 2 and sample pad 3; Last pressure layer 5 is divided into two parts, and a part covers the superimposed place of sample pad 3 and reaction film 2, and the starting point of another part is for covering the superimposed place of reaction film 2 and drying agent chip 1, and terminal point is for all covering drying agent chip 1.
Among the embodiment 4, as shown in Figure 4, press down the whole drying agent chip of layer 6 bonding covering 1, reaction film 2 and sample pad 3; Last starting point of pressing layer 5 is for covering the superimposed place of sample pad 3 and reaction film 2, and terminal point is for all covering drying agent chip 1.
Among the embodiment 5, as shown in Figure 5, press down layer 6 and be divided into two parts, a part, a part covers the superimposed place of sample pad 3 and reaction film 2, and another part covers the superimposed place of reaction film 2 and drying agent chip 1; Last starting point of pressing layer 5 is for covering the superimposed place of sample pad 3 and reaction film 2, and terminal point is for covering the superimposed place of reaction film 2 and drying agent chip 1.
Among the embodiment 6, as shown in Figure 6, press down layer 6 and be divided into two parts, a part all covers sample pad 3 and covers sample pad 3 and the superimposed place of reaction film 2, and another part all covers drying agent chip 1 and covers reaction film 2 and the superimposed place of drying agent chip 1; Last starting point of pressing layer 5 is for covering the superimposed place of sample pad 3 and reaction film 2, and terminal point is for covering the superimposed place of reaction film 2 and drying agent chip 1.
Among the embodiment 7, as shown in Figure 7, press down layer 6 and cover total overall reaction film 2 and cover part sample pad 3 and part drying agent chip 1; Last starting point of pressing layer 5 is for covering the superimposed place of sample pad 3 and reaction film 2, and terminal point is for covering the superimposed place of reaction film 2 and drying agent chip 1.
Among the embodiment 8, need not adopt and press layer, only adopt to press down layer, as shown in Figure 8, press down the whole drying agent chip of layer 6 bonding covering 1, reaction film 2 and sample pad 3.
After being assembled into the test strips that has the drying agent function, in the product storage life, this drying agent chip 1 can play the effect of drying agent, makes the relative humidity in the packing reach 0%RH.When this test strips product is used; Adding concentration is the hCG solution of 25mIU/mL; After 3 minutes, with the signal value of NES Camera readout instrument read test line and control line, the detection line signal value of test strips is 11.71; The signal value of control line is 51.03, and this drying agent chip 1 can play the effect of adsorptive pads.Fig. 1-8 has indicated the relative position of drying agent chip 1 and reaction film 2, and how superimposed indicated both is, after this drying agent chip 1 and reaction film 2 are superimposed, can be used as drying agent and adsorptive pads simultaneously.
The utility model is used a kind of drying agent chip, be cut into behind the suitable dimension and the reaction film end superimposed, be assembled into diagnostic products after, in the product storage life, this drying agent chip can play the effect of the drying agent of desiccant dehumidification.When product was used, this drying agent chip can play the effect of adsorptive pads.
Further the beneficial effect of the utility model is set forth below through Test Example:
Test Example
1. in two same diagnostic products packings, the miniature hygrograph that write down the place ambient humidity in per 15 minutes of respectively packing in two packings wherein reinstalls a slice molecular sieve type drying agent (tradition) in a packing; In another packing, reinstall drying agent chip (the utility model), both sealings are placed under the ambient temperature and moisture environment, unpack behind the 24h; Derive the data of TR; Data see the following form 1, and the result shows that the drying agent of molecular sieve type and drying agent chip are done the time spent at the performance drying agent; Can make the relative air humidity in the packing reach 0%RT, both are equal to effect.
Table 1
2. be example with the very early pregnancy detection, spraying concentration is the blue emulsion particle that the pan coating of 4mg/mL has the hCG antibody A on the sample pad material, and diameter of particle is 400nm, and spraying finishes material is placed 50 ℃ of environment oven dry; Spray concentration is that hCG antibody B and the concentration of 1mg/mL are 1mg/mL control line capture antibody on the reaction film material; HCG antibody B position on the reaction film is the detection line display position; Control line capture antibody spraying position on the reaction film is the control line display position, and spraying finishes material is placed 50 ℃ of environment oven dry; A kind of drying agent chip 1; Be cut into length and be 2 centimetres, wide be 8 millimeters tablet; With the sample pad material be cut into length be 2.5 centimetres, wide be 8 millimeters tablet (referring to sample pad among Fig. 1 3); With reaction film be cut into length be 3.5 centimetres, wide be that 8 millimeters tablets are referring to reaction film among Fig. 1 2); Sample pad that cuts 3 and reaction film 2 are fitted together with bottom laminated material 6, and, be assembled into the test strips that has the drying agent function drying agent chip 1 and reaction film 2 terminal superimposed (can through bottom laminated material 6 bonding drying agent chips 1 and reaction films 2).Diagnostic products (the utility model test strips) is at the performance diagnostic function when detecting, and the hCG solution that adds concentration and be 25mIU/mL is after 3 minutes, with the signal value of NES Camera readout instrument read test line and control line; Discovery with the drying agent chip of the utility model test strips as adsorptive pads; The average signal value that makes p-wire rises to 11.68 from 10.89, has raise 7.2%, makes the signal value of control line rise to 52.04 from 50.03; Raise 4%; Data see the following form 2, and when the test strips of using the utility model was described, this drying agent chip made effectively during as adsorptive pads and increases through p-wire zone and the regional sample size of control line; Let the antibody capture of p-wire and control line arrive more particulate, thereby played the effect that signal strengthens through this regional band signal.
Table 2
3. this drying agent chip not only makes signal value strengthen at application of sample after 3 minutes; Can also in long-time, keep signal value and not descend, data see the following form 3, behind application of sample 20 minutes; Signal value with NES Camera readout instrument read test line and control line; Signal value with reference to paper slip drops to 7.41, and end still can maintain 11.66 with the superimposed test strips of drying agent chip, than high by 57.35% with reference to the signal value of test strips.
Table 3
The fiber drying agent sheet that the result of above Test Example proves the utility model test strips both can success as drying agent, again can success as adsorptive pads.
Claims (8)
1. a test strips that has the drying agent function is characterized in that, said test strips comprises sample pad, reaction film, drying agent chip and presses down layer; One end of said reaction film is superimposed with sample pad, and the other end of reaction film is superimposed with drying agent chip; The said reaction film back side that is superimposed with sample pad, drying agent chip is bonded with and presses down layer.
2. the test strips that has the drying agent function according to claim 1 is characterized in that, said drying agent chip is the fiber drying agent sheet with dry and absorbent function.
3. the test strips that has the drying agent function according to claim 1 is characterized in that, the no any overlay film in drying agent chip surface at said drying agent chip and the superimposed place of said reaction film.
4. according to claim 1 or the 3 described test strips that have the drying agent function, it is characterized in that, except that said drying agent chip and other parts of drying agent chip surface that said reaction film is superimposed sentencing overlay film can be arranged.
5. the test strips that has the drying agent function according to claim 1 is characterized in that, the said reaction film front that is superimposed with sample pad, drying agent chip also is bonded with presses layer.
6. the test strips that has the drying agent function according to claim 5; It is characterized in that; Press layer on said or press down layer to be covered with material, sample pad, reaction film and drying agent chip are bonded together with viscosity with sample pad, reaction film and drying agent chip contact position.
7. the test strips that has the drying agent function according to claim 5; It is characterized in that; Said laminated or the end length that presses down layer press down layer to multipotency and all cover sample pad for covering the superimposed place of sample pad and reaction film at least, and last pressure layer will guarantee that sample pad can have partly not by its covering; The said laminated or the other end that presses down layer be for covering the superimposed place of reaction film and drying agent chip at least, all covers drying agent chip to multipotency.
8. the test strips that has the drying agent function according to claim 5; It is characterized in that, said laminated or press down layer and can form by left and right sides two parts, the starting point of a part is to cover at least the superimposed place of sample pad and reaction film; One end in contact of this part terminal point and reaction film is bonding; The starting point of another part is that the other end with reaction film is bonding, and terminal point be for covering the superimposed place of reaction film and drying agent chip at least, all covers drying agent chip to multipotency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200665196U CN202533435U (en) | 2012-02-27 | 2012-02-27 | Test strip with function of desiccating agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200665196U CN202533435U (en) | 2012-02-27 | 2012-02-27 | Test strip with function of desiccating agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202533435U true CN202533435U (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200665196U Expired - Lifetime CN202533435U (en) | 2012-02-27 | 2012-02-27 | Test strip with function of desiccating agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202533435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608308A (en) * | 2012-02-27 | 2012-07-25 | 美艾利尔（上海）诊断产品有限公司 | Test paper with function of desiccant and method for preparing same |
-
2012
- 2012-02-27 CN CN2012200665196U patent/CN202533435U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608308A (en) * | 2012-02-27 | 2012-07-25 | 美艾利尔（上海）诊断产品有限公司 | Test paper with function of desiccant and method for preparing same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 201203 1st floor, building 4, R & D building, 151 libing Road, Pudong New Area pilot Free Trade Zone, Shanghai Patentee after: Abbott diagnostic products (Shanghai) Co., Ltd Address before: 201203 building 7, 151 libing Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai Patentee before: ALERE (SHANGHAI) DIAGNOSTICS Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121114 |
|
| CX01 | Expiry of patent term |