182 results about "Test Strip (device)" patented technology

A point-of-care device and method for simultaneously and quantitatively assessing a magnetically-labelled analyte immobilised on a lateral flow test strip are provided. The method comprises the steps of sensing a magnetic signal from the magnetically-labelled analyte on the test strip and converting the magnetic signal into an electric signal; processing the electric signal to obtain a quantitative value of the amount of analyte; and processing the values to provide a differential assessment between the magnetically-labelled analyte. The device includes a magnetic reader with at least one magnetic sensor, such as a giant magnetoresistive sensor. The magnetic sensor can be directly or indirectly coupled to a lock-in amplifier configured to perform phase-sensitive detection and enhance the signal-to-noise ratio of weak magnetic signals. A system, microfluidics device, lateral flow immunoassay test strip and kit are also provided.

This invention provides an assembled high-throughput immunochromatographic test strip array sample application device, comprising a 96-well plate fixing bracket (1) and a test strip support plate (2); immunochromatographic test strips (3) are arranged and fixed by slots (4) and limiting blocks (5) on the test strip support plate (2), with their sample application areas (6) protruding from the test strip support plate (2); multiple test strip support plates (2) are inserted into the slots (7) of the 96-well plate fixing bracket (1) to form a multi-channel immunochromatographic test strip array sample application device. This device can be used for high-throughput sample application in immunochromatographic detection.

The utility model discloses a blood detection device. The blood detection device comprises a shell, test paper and a cap, the shell comprises an upper shell and a lower shell which are fixedly connected, a containing cavity is formed between the upper shell and the lower shell, the test paper is located in the containing cavity, a blood sampling head is formed at the front end of the shell, a liquid inlet is formed in the blood sampling head, and the liquid inlet is communicated with the containing cavity through a capillary structure and a premixing cavity in sequence; a hydrophobic coating belt arranged in the left-right direction is arranged on the front cavity wall of the premixing cavity, and an air hole communicated with the containing cavity is formed in the rear end of the shell; the front end of the shell is sleeved with the cap, a liquid storage bag is arranged at the bottom in the cap, and buffer liquid is stored in the liquid storage bag. The blood detection device can realize integration of sample collection and sample treatment, and has the advantages of simple structure, low manufacturing cost, convenience in use, high detection success rate, high detection accuracy and the like.

This application discloses a sample analyzer and its control method. The analyzer includes a test strip providing device, a test strip transferring device, a sample application device, an information acquisition device, and a controller. The test strip includes a substrate, a detection area disposed on the substrate for dry chemical detection of the sample, a first identifier indicating manufacturer information, and a second identifier indicating test strip specifications. The controller controls the sample application device to apply the sample to the detection area of ​​the test strip for a dry chemical reaction, and controls the information acquisition device to acquire the detection information of the detection area, the manufacturer information of the first identifier, and the test strip specifications of the second identifier after the dry chemical reaction is completed. Based on the detection information, manufacturer information, and test strip specifications, the controller obtains and outputs the detection results, ensuring that each entered test strip information corresponds one-to-one with the currently used test strip, thus improving the accuracy of the detection results.

A rapid diagnostic device for detecting multiple biomarkers in bodily fluid samples, particularly useful for disease screening including breast cancer. The device comprises a housing containing at least one test strip with a sample receiving zone, conjugate pad, and multiple test zones. The test strip utilizes specific materials including Cytiva GF / DVA and Ahlstrom 1667 sample pads, an Ahlstrom 6613 conjugate pad with carboxylated 150 nm gold nanoshell conjugates, and a Sartorius CN140 membrane with precisely positioned test and control zones. The device simultaneously detects multiple biomarkers, such as hCG and CA-15-3, using specific antibodies. Features include a built-in safety lancet, integrated buffer system, and compatibility with various sample types. Results are available within ten minutes, with options for quantitative analysis via a dedicated reader or smartphone application. This multi-biomarker approach potentially improves screening accuracy compared to single-marker tests, offering versatility for detecting various medical conditions.

The utility model discloses an inspection test strip storage device which comprises a supporting bottom plate, an installation frame is arranged on the supporting bottom plate, an installation idler wheel is rotationally arranged on the installation frame, a supporting frame is arranged at the top end of the installation frame, a display wheel is arranged on the supporting frame, display labels are arranged on the display wheel in an annular array mode, and installation shafts are arranged on the two sides of the display wheel. A mounting groove is formed in the supporting frame in a matched mode, the mounting shaft is rotationally located in the mounting groove, a damping gasket matched with the mounting shaft is arranged on the inner wall of the mounting groove, and a transparent protective cover is arranged at the end, away from the mounting frame, of the supporting bottom plate in a matched mode and provided with a clamping opening. According to the utility model, the test strip can be stably placed in an observation stage after the detection liquid is dropwise added, the mounting and the dismounting are convenient, and meanwhile, the marking and the classification can be quickly carried out.

The application discloses a photothermal lateral flow analysis device for simultaneously detecting multiple pathogenic bacteria and application thereof. The device comprises a test strip, n photothermal signal probes, an 808nm plane laser light source and a thermal detection device, the n photothermal signal probes are prepared by respectively adsorbing n pathogenic bacteria antibodies, i.e. first primary antibodies, on the surface of CuS@SnS2-Au composite, and n is greater than or equal to 2; the second primary antibodies of the n pathogenic bacteria to be detected are sequentially fixed on the detection area of the test strip, and the second primary antibodies of the n pathogenic bacteria to be detected are sequentially fixed on the detection area of the test strip. The application steps are as follows: the n photothermal signal probes, the sample liquid to be detected and the buffer are mixed, the sample pad end of the test strip is inserted into the mixed solution for chromatography, the whole detection area is irradiated by the 808nm plane laser, and the photothermal temperature of the detection area is collected by a thermal imaging or temperature measuring device; standard curves are established according to the temperature and the concentration of the n pathogenic bacteria to be detected, and photothermal qualitative and quantitative analysis of the n pathogenic bacteria to be detected is carried out.

This application discloses a portable drug detection device and method, relating to the field of drug identification technology, with the main objective of addressing the problem of poor detection effectiveness in existing drug testing methods. It includes: a Raman spectroscopy component, an ion mobility spectrometry component, a processor, a power module, a display component, and a sample inlet module disposed on the ion mobility spectrometry component. The processor is electrically connected to the Raman spectroscopy component, the ion mobility spectrometry component, and the display component, and is used to identify and process the spectra acquired by the Raman spectroscopy component and the ion mobility spectrometry component to obtain drug detection results. The power module is electrically connected to the Raman spectroscopy component, the ion mobility spectrometry component, and the processor, and is used to provide power. The display component is used to display the drug detection results. The sample inlet module is used to insert sample test strips.

The invention discloses a multi-channel sample detection device and method based on lateral flow test strips. The multi-channel sample detection device comprises a sample pad, an upper pressure fixing disc, a sample distribution disc, a hydrophilic film and a test strip distribution disc, the sample distribution disc is provided with a sample distribution area and a sample distribution runner; the sample pad is arranged in the sample distribution area; the hydrophilic film is adhered to the back surfaces of the sample pad and the sample distribution disc; the test strip distribution disc sleeves the periphery of the sample distribution disc, and the test strip distribution disc is a test strip area; and the upper pressing fixed disc is pressed above the periphery of the sample distribution disc and above the test strip distribution disc. A liquid sample flows to the corresponding test strips in the test strip distribution plate through the plurality of sample distribution runners of the sample distribution plate for detection, external power and complex equipment are not needed, and the liquid sample can be detected only through micro-runner optimization, structural design and capillary force effect. The liquid sample to be detected can be quickly, uniformly and automatically distributed in a plurality of detection flow channels, so that the consistency, reliability and operation convenience of a multi-channel detection result are effectively improved.

The utility model provides a rapid detection kit for synchronously detecting cell factors IFN-gamma and TNF-alpha, comprising: a kit body comprising a card box and a box cover which covers the bottom of the card box; the detection card is arranged in the card box; the liquid suction device is connected with the detection card and extends out of the card box, and the box cover hermetically wraps the sample suction device; the detection card comprises a bottom plate and test strips adhered to the bottom plate, and the test strips comprise a first test strip and a second test strip which are symmetrically arranged on the two sides of the surface of the bottom plate; the first test strip comprises a sample pad, a first latex microsphere pad, a first nitrocellulose membrane and absorbent paper which are sequentially lapped; the second test strip comprises a sample pad, a second latex microsphere pad, a second nitrocellulose membrane and absorbent paper which are sequentially lapped. The kit is simple in structure, the kit comprises the two detection cards in parallel, IFN-gamma and TNF-alpha can be synchronously detected at a time, manpower and material resources are greatly saved, and operation is easy and fast.

This invention relates to the technical field of medical devices, providing a portable blood collection device for a blood glucose meter, comprising a housing, a lancet, and a test strip. The lancet and test strip are respectively disposed on the left and right sides of the housing. The housing has a blood collection channel corresponding to the lancet, and a blood collection port communicating with the blood collection channel. The lancet is movably installed within the blood collection channel via a pressing component, configured to extend from the blood collection channel upon pressing to perform blood collection. The housing has a test strip channel corresponding to the test strip, and a blood collection port and a detection port are provided on the housing, both communicating with the test strip channel. The test strip is movably installed within the test strip channel via a button component. This invention integrates the lancet and test strip into the blood collection device, and separately configures a pressing component and a button component, allowing patients to complete blood collection and smuggling with simple pressing and sliding operations, thereby reducing the steps involved in traditional multi-step operations and lowering the barrier to entry for users.

The utility model provides a kind of saliva detection device, it is related to the technical field of saliva detection, comprising: liquid taking mechanism, cover plate mechanism, insert panel and cup body;Cover plate mechanism and cup body slidingly connected, cover plate mechanism is connected with insert panel, cover plate mechanism can drive insert panel relative cup body sliding, so that insert panel can be close to the bottom of cup body;Liquid taking mechanism is inducted into liquid delivery hole and transports liquid into cup body. Through liquid taking mechanism, liquid is sent to the bottom of cup body, then under the movement of cover plate mechanism, insert panel is moved to the solution at the bottom of cup body, so that multiple test strips on insert panel contact solution synchronously, while running board occurs, solution contact is more uniform, and running board power is more sufficient, which alleviates the technical problems of insufficient solution contact, uneven solution contact and insufficient test strip running board power in the prior art, achieving sufficient test strip contact, uniform contact and sufficient test strip running board power.

Aspects of this disclosure describe a test strip that may include a sample input, assay circuitry, signaling circuitry, impedance circuitry, and / or energy harvesting circuitry. The sample input may be configured to receive a sample, such as a fluid sample. The assay circuitry of the test strip may be configured to perform an assay on at least a portion of the fluid sample. The signaling circuitry of the test strip may be configured to provide a modulated signal based on an output of the assay. The impedance circuitry of the test strip may be configured to present impedance changes to a touchscreen of an electronic device in accordance with the modulated signal. The test strip can then communicate data of the output of the assay (e.g., test results) to the electronic device using the touchscreen of the electronic device.

A conveying device for urine analyzer test paper includes a bracket, a carrying plate, a reciprocating lifting conveying assembly, and a double-sided tooth plate. The carrying plate includes a push bar area, a sample dropping area, a buffer area, and a blank scanning area. The push bar area is provided with parallel push bar grooves. The blank scanning area is provided with two insertion grooves. The insertion grooves are arranged in a staggered manner with the push bar grooves. The double-sided tooth plate is fixedly arranged above the tooth plate support plate and below the carrying plate. The double-sided tooth plate includes a double-sided tooth plate body, tooth bars arranged on both sides of the double-sided tooth plate, and second push bar grooves arranged between the tooth bars. Equidistantly arranged on the tooth bars are transport teeth and transport grooves. The second push bar grooves overlap with the push bar grooves at one end close to the buffer area. The conveying device for urine analyzer test paper is provided with the vertical driving assembly and the double-sided tooth plate to solve the problem of test paper oblique bars occurring in the push bar process.

A point of care immunization system based upon a range of detection methods to rapidly test a patient in order to ascertain an immunization profile so that vaccinations can be administered to address identified gaps. A point of care system comprised of sample and test strips / cartridges, with said test strips / cartridges configured to meet healthcare requirements of national governing bodies. A point of care system is provided that can function as a stand-alone diagnostic system, a stand-alone kit or with a device.

The invention provides a test strip detection method and device, electronic equipment and a storage medium, and relates to the technical field of machine vision. The method comprises the following steps: performing first contour detection on a target image of a target test strip to obtain a first contour candidate set; according to the first contour candidate set, determining a first candidate contour group by adopting a contour area proportion verification strategy and a contour distance verification strategy; according to the first candidate contour group, confidence calculation is carried out, and a first positioning area and a second positioning area are determined; extracting a region-of-interest image from the target image according to the first positioning region and the second positioning region, and extracting at least one detection color block from the region-of-interest image; and according to each detection color block, extracting a color picking area in each detection color block, and according to color information of each color picking area and the standard colorimetric card corresponding to each detection color block, determining a detection result of each detection color block. The method can improve the detection efficiency of the test strip and the accuracy of the detection result.

The invention discloses a bacillus rapid detection box containing a heating device, and relates to the technical field of microbiological detection, the bacillus rapid detection box comprises a box body with a chamber, a test strip is arranged in the chamber, the test strip is divided into a sample receiving part and a detection part, the detection part is sequentially coated with a first antibody and a second antibody along the length direction, and the first antibody and the second antibody are arranged in the chamber. A first antibody line and a second antibody line which are arranged along the width direction of the two coating parts are sequentially formed at the two coating parts; the heating device is used for heating the junction of the sample receiving part and the detection part. According to the invention, the heating device is integrated in the cavity of the detection box and is used for heating the junction of the sample receiving part and the detection part of the test strip, so that infectious microbes contained in a bacterial liquid can be removed to achieve a purification effect, and proper thermal stimulation can be provided in the flowing process of the bacterial liquid; the exposure of the antigen epitope of the bacillus is effectively promoted or the antigen-antibody reaction efficiency is enhanced, so that the detection sensitivity and the reaction speed are improved.

The utility model relates to the technical field of urine dry chemical analysis and detection, in particular to a test paper conveying device convenient to disassemble and assemble, which comprises a test paper strip conveying belt, a guide mechanism, a CIS (Contact Image Sensor) detector, a sample dropping deflector rod mechanism and a driving mechanism, the test strip conveying belt comprises a driving round belt wheel, a driven round belt wheel, a gear, a connecting frame, a conveying belt body, a first bearing, a second bearing, a fixing plate and a first fastening screw, the connecting frame is pushed in along the guide mechanism, and the included angle between the round corner at the top end of the connecting frame and the guide mechanism reaches a point contact position, so that accurate positioning is realized; the connecting frame is fastened on the guide mechanism through the fixing plate and the first fastening screw, and when the test strip conveying belt is disassembled and maintained, the conveying belt body on the connecting frame can be cleaned and replaced only by disassembling the fixing plate and the first fastening screw and pulling the connecting frame out of the guide mechanism; the convenience of cleaning, replacing and maintaining the conveying belt of the traditional test paper conveying device is improved.

The present invention concerns methods, test strips, systems and kits of parts suitable for detecting the presence of analytes within samples through the use of fuel cells. Use of the test strips, systems and kits in detecting the presence or absence of a target in a sample is also included. When target analytes are present in the sample, sandwich complexes are formed comprising the analyte, a magnetically moveable particle and a detectable species, such as a catalyst or redox mediator. Complexes are separated from other components of the sample by magnetic separation and detected as a response or change in response from a fuel cell.

The application discloses a portable chromatographic detection device and application thereof, and belongs to the technical field of detection devices. The device comprises a top cover, a base, a test strip and a flexible PCB circuit board. The test strip comprises a sample pad, a binding pad, a nitrocellulose membrane, a water absorption pad and a supporting back plate. The nitrocellulose membrane has a patterned electrode as an electric channel, and is divided into a clamping area and a detection area for solution flow. The clamping area is connected with the flexible PCB circuit board through a magnetic attraction connector. One end of the detection area is connected with the water absorption pad in a top-overlapping manner, the other end of the detection area is connected with the binding pad in a top-overlapping manner, and the other end of the binding pad is connected with the sample pad in a top-overlapping manner. Hollow windows are formed in the top cover at the sample pad and the nitrocellulose membrane. The detection device is convenient to carry, has various functions, is high in sensitivity and integration, can be used in combination with computers, mobile phones and other equipment, and is particularly suitable for use in families, fields and other places.

The invention belongs to the technical field of molecular diagnosis, and particularly relates to a miRNA amplification-free detection system and a preparation method and application thereof. The invention provides a miRNA detection system. The miRNA detection system comprises a CRISPR / Cas12a system, a double-labeled magnetic probe and a test strip. The detection system provided by the invention can improve the detection sensitivity and specificity of miRNA under the condition of no nucleic acid amplification; normal color development of a control line of the test strip can be ensured, and reliable interpretation of a result is realized; the device supports rapid, visual and portable result reading and data processing, and is suitable for on-site instant detection.

This utility model relates to a rapid detection device for recombinant protein Eg FABP1 with a uniform flow structure, comprising an upper plate, a lower plate, and test strips. An upper pressure frame is integrally formed in the transverse middle of the upper plate, with the lower end of the upper pressure frame protruding from the lower surface of the upper plate. A ring pressure platform is integrally formed on the lower right surface of the upper plate, with a drip hole starting in the middle of the ring pressure platform. The upper surface of the lower plate has grooves starting in the middle and right side, with a collection groove, a drainage groove, and a distribution groove on the bottom surface of the grooves. The collection groove is located at the right end of the drainage groove and is interconnected. The distribution groove connects the front and rear edges of the drainage groove. An exudate layer is laid in the grooves. A suspension containing recombinant protein is introduced into the collection groove through the drip hole, and then the liquid flow is distributed through the drainage and distribution grooves. Finally, the exudate layer guides the liquid evenly to the test strip, making the wetting and flow of the suspension on the test strip more uniform and rapid, greatly shortening the wetting and detection time of the test strip.

The present invention relates to a diagnostic device (D) for detecting and / or identifying a target analyte from a liquid sample, comprising: • a holder (1) with an upper face (2) and a lower face (3), and • at least one reagent strip (4) contained within said holder (1) between said upper face (2) and said lower face (3), said reagent strip (4) comprising a test zone (5) and reagents for detecting and / or identifying said target analyte, said upper face (2) of said holder (1) comprising: - at least one opening (6) arranged to provide access to a deposition zone (7) of said liquid sample, said deposition zone (7) being in fluid communication with said test zone (5) of said reagent strip (4), and - a reading window (F) opening towards said test zone (5) of said reagent strip (4) where the detection and / or identification of said target analyte takes place.said support (1) has at least one break zone (8) designed to give the user access to a free end (4') of said at least one test strip (4).,

The utility model relates to test strip technical field especially multi -target test strip and multi -target detection reagent card, its technical scheme discloses multi -target test strip, including combination layer, still including filter mechanism, the filter device sets up in the one side of combination layer for to the impurity of sample collection carries out the filtration, the one side fixed mounting of combination layer has detection layer, the one side fixed mounting of detection layer has water absorption pad, the filter mechanism includes the pretreatment layer fixed mounting in the one side of combination layer, a plurality of equidistance arrangement's filter screen is fixedly installed on the pretreatment layer, a plurality of equidistance arrangement's filter hole is opened to the filter screen, the radius of filter hole gradually reduces from top to bottom. The utility model has realized the filtration to the impurity before the detection of sample, has improved detection accuracy.

A testing device is disclosed in the present invention and includes a test strip, where the test strip includes a non-absorbent support sheet on which at least two or more testing areas are arranged, and liquid communication cannot be made between the testing areas, and the testing areas include an absorbent material thereon, and the absorbent material includes a reaction reagent that can detect an analyte in a urine sample or test the property of the urine sample; and the absorbent material, where the absorbent material is located under the support sheet; and when a liquid sample is dripped to each of the two or more testing areas, the absorbent material absorbs the excess liquid sample, thus avoiding interference of other testing areas where the liquid sample is not dripped.

The application discloses a signal reading method, system, device and medium for a multi-target array test strip, and relates to the technical field of fluorescent immunochromatographic detection. The method collects an RGB fluorescent image of the multi-target array test strip; a binary image is obtained through grayscale processing and adaptive threshold segmentation; an effective signal contour is extracted; a spatial position calibration and automatic sorting of discrete fluorescent signals are performed through an intelligent sorting algorithm combining DBSCAN clustering and principal component analysis; non-uniform background interference is removed through a robust local regression method to obtain a purified signal; and finally, real RG ratio signal values of each target point are extracted. The application solves the problems of difficulty in multi-target positioning and incomplete background removal of the existing array test strip signal reading method through an intelligent algorithm, realizes accurate positioning, automatic sorting and efficient purification of multi-target fluorescent signals, and significantly improves detection accuracy. The application is suitable for quantitative analysis of multi-target immunochromatographic test strips.

The present invention provides a test strip fixture, comprising: a mobile device having a camera configured for use in a method for determining a concentration of an analyte in a bodily fluid by using the mobile device having a camera, the method comprising capturing at least one image with the camera including at least a portion of an optical test strip and at least a portion of the test strip retaining device, the optical test strip having a sample of the bodily fluid applied onto a reagent test area of ​​the optical test strip, the image including at least a portion of the reagent test area onto which the sample of the bodily fluid has been applied, and the image including at least a portion of a top surface of the test strip retaining device; a) an essentially planar shape; b) a cutout portion; c) a top surface including a plurality of color reference fields with known reference color values, including gray reference fields locally arranged around the cutout and around at least a portion of the non-gray color reference fields, and including position detection code elements; d) a lower surface comprising a fastening element for detachable connection of an optical test strip to said test strip fastening device such that a reagent testing area can be aligned with the notch; The present invention relates to a test strip fixing device comprising:

Embodiments of the inventive concept include an interstitial fluid capture device configured to capture an interstitial fluid sample from the mouth of a user, an electrolyte measurement kit including the device, and a method for measuring electrolyte levels using the device. An exemplary device includes a main body portion configured for placement in the mouth of a user, the main body portion including a reservoir containing a hypertonic solution and having an opening that is sealed by a semipermeable membrane that permits a sample of interstitial fluid from the mouth of the user to be drawn through the membrane and into the solution reservoir. Various analyses may be performed on the captured interstitial fluid sample after removal of the device, including but not limited to, the assessment of one or more electrolyte levels through the use of various test strips or other techniques.

This invention relates to the field of in vitro diagnostic testing equipment technology, and discloses a symmetrical multi-arm tumor antibody test strip device with negative pressure aspiration. The device includes a sealed shell, a press-triggered component, a mechanical limiting mechanism, a concealed blood collection component, a negative pressure aspiration system, radial multi-arm detection modules, and a flexible sealing pad. The device employs a concealed blood collection design, with the needle automatically retracting after blood collection, eliminating the risk of puncture wounds and contamination. Combined with a linked negative pressure aspiration structure, it achieves instantaneous automatic aspiration after blood collection, eliminating the need for manual squeezing. The multi-arm detection modules are symmetrically distributed circumferentially, with uniform internal flow channels, enabling synchronous and equal sample distribution and ensuring accurate and parallel test results. The flexible sealing element conforms to the fingertip to form a sealed structure, preventing leakage and improving aspiration efficiency. A multi-level limiting mechanism stabilizes the device body, making it suitable for operation by the elderly, children, and other groups. This device is easy to operate, highly safe, and provides accurate detection. It is suitable for rapid home-based tumor antibody screening and on-site testing at grassroots levels, with high intelligent adaptability and easy result interpretation.