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

The invention relates to methods, devices, and software for distinguishing hemoglobin (Hb) from myoglobin (Mb) in urine samples using peroxidase-reactive test strips. A time-resolved video of the color change on the test pad is recorded, and hue values are extracted and analyzed over time. Diagnostic differentiation between Hb and Mb is achieved by evaluating the hue-time curve, in particular via endpoint hue values and the ratio of integrated hue values in distinct time intervals. The invention further comprises a standardized optical setup for recording, a software-based evaluation algorithm, and a refillable cartridge for in-situ urine analysis devices containing appropriate test fields. The invention enables combined testing with additional urine parameters and is suitable for medical and non-clinical applications such as sport and home diagnostics.

A sampling detection device includes an outer tube, an inner tube, and a tube cover, where the outer tube includes a reaction liquid holding chamber and a main body holding chamber that are communicated with each other; an end of the main body holding chamber is open; a side wall of the main body holding chamber includes a transparent structure; the inner tube includes a squeezing part and a test strip mounting part; the outer tube is configured to hold the inner tube; the test strip mounting part is located inside the main body holding chamber; the squeezing part is inserted into the reaction liquid holding chamber; the squeezing part cooperates with an inner wall of the reaction liquid holding chamber to form a gap; the tube cover is detachably connected to the outer tube and configured to close or open an open side of the main body holding chamber.

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.

The invention discloses a testing device which comprises a cavity used for receiving a liquid sample, a cover body, the cover body is used for sealing the cavity, the cover body further comprises a carrier with a groove, the carrier is used for receiving and holding a test strip, the cover body further comprises a hole, the hole is communicated with the groove, and the hole is communicated with the groove. The cover body is provided with a mark, the connecting line between the mark and the hole is the shortest distance, and when a test is carried out, the mark is set to indicate an inclined direction, so that a liquid sample is in contact with a test area of the test strip in the groove, and by adopting the device, the test can be rapidly carried out, the operation is simple and convenient, and the test efficiency is improved. And the test result is more accurate.

The invention relates to a gingival crevicular fluid collection device and method and a manufacturing method of a sampling probe, and belongs to the field of gingival crevicular fluid collection. The gingival crevicular fluid collection device comprises the sampling probe, and the sampling probe comprises a needle body matched with the extension form of a gingival crevicular bottom; the sampling test paper covers the needle body; when the sampling probe enters the gingival sulcus bottom, the sampling test paper absorbs liquid in the gingival sulcus bottom. According to the invention, the sampling probe fitting the trend of the gingival sulcus is adopted, and the range of the probe extends from the proximal middle to the distal middle of the cheek (tongue) side, so that an operator can simultaneously collect a plurality of sites, the gingival sulcus epithelium is not easy to puncture, non-specific exudation is reduced, and the accuracy and efficiency of gingival sulcus fluid collection are improved.

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.

The present disclosure relates to a turning device, comprising: a driving device; a test disc connected to the driving device, the outer ring of the test disc being spirally shaped so that the outer diameter of the test disc gradually increases; a test strip circumferentially arranged on the outer ring of the test disc; a detection device arranged on one side of the outer ring of the test disc for measuring first detection data of the distance between the detection device and the test strip, wherein by rotating the test disc, the distance between the detection device and the test strip changes so that the first detection data changes, thereby obtaining a correspondence between the first detection data and the distance between the detection device and the test strip as a standard value; the test strip is further configured to be arranged on a shaft to be tested, the detection device being configured to be arranged on one side of the shaft to measure second detection data of the distance between the detection device and the test strip and compare the second detection data with the standard value to obtain the swing of the shaft; and a plurality of test points are provided on the test strip to ensure that the second detection data corresponds to the position of the shaft. The present disclosure can avoid errors caused by manual operation.

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.

To provide a novel method of preventing fluorescence fading, lateral flow assay test strip, lateral flow assay device, and lateral flow assay kit.SOLUTION: A method of preventing fluorescence fading is provided, involving allowing (A) a dry fluorescent substance or fluorescent label and (B) a dry colorant to coexist.SELECTED DRAWING: Figure 1-1

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.

This disclosure provides systems, devices, apparatus, and methods, including computer programs encoded on storage media, for water testing. A drone attachment detects a suitable testing region in a body of water using one or more sensors. The drone attachment deploys a test strip into the suitable testing region in the body of water. The drone attachment performs a water testing while the test strip is inside the body of water. The drone attachment retracts the test strip from the body of water after a testing period is over.

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.

The utility model relates to the technical field of food detection, and provides a test strip subpackaging device which comprises a material placing table, a subpackaging mechanism and a material storage box, a table top of the material placing table is used for placing a plurality of test strips to be subpackaged, the material storage box is used for being placed at a material storage station and is provided with a plurality of clamping grooves, the subpackaging mechanism is installed between the material placing table and the material storage station, and the clamping grooves are used for clamping the test strips to be subpackaged. The test strip picking device is used for picking up test strips and inserting the test strips into the corresponding clamping grooves. According to the test strip subpackaging device provided by the utility model, the table surface of the material placing table is used for placing a plurality of test strips to be subpackaged, the material storage box is provided with a plurality of clamping grooves for accommodating the test strips, and the subpackaging mechanism is arranged between the material placing table and the material storage station; according to the test strip split charging device, the plurality of test strips on the table top of the material placing table are transferred to the material storage station and inserted into the corresponding clamping grooves, so that split charging of the plurality of test strips is realized, excessive manual participation is not needed, the split charging efficiency of the test strips is improved, and orderly test of the test strips is ensured.

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.

An apparatus, system and method device for monitoring for an internal infection, such as a urinary tract infection. Included may be: a dispensing unit capable of receiving a continuous feed of color-changing infection test strips, comprising two compartments, one serving as a pass through for unused ones of the test strips, and the other configured to receive a used one of the test strips, and at least two gears capable of urging the continuous feed of the test strips from the unused compartment to the used compartment; a connection module capable of receiving a urine feed from a patient and having a window facing the dispensing unit; and a sensing module having an optical path facing the window and a urine reservoir for interfacing with the window to receive urine and including slits on either side thereof to feed the used ones of the test strips to the used compartment.

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.

To provide an in vitro method for diagnosis, prognosis, risk assessment, monitoring, therapy guidance and / or therapy control of an infectious disease.SOLUTION: The invention relates to an in vitro method, comprising (a) providing a sample of a subject exhibiting clinical symptoms of and / or suspected of having an infection, (b) determining a level of D-lactate in said sample, (c) wherein the level of D-lactate is indicative of the presence of an infectious disease, characterized in that (d) the level of D-lactate in said sample is determined by means of an electrochemical sensing system (biosensor). In embodiments, the electrochemical sensing system comprises a potentiometric or an amperometric sensor. The electrochemical system comprises a D-lactate binding molecule, that is preferably immobilized on a detection (working) electrode. In embodiments, the detection electrode with the immobilized D-lactate binding molecule is comprised by a (disposable) test strip for insertion into a portable reader.SELECTED DRAWING: None

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 mobile computing device includes camera hardware configured to capture image data associated with an output signal area of a biological chromatographic test strip. The mobile computing device further includes processing circuitry in communication with the camera hardware, the processing circuitry being configured to determine, based on the image data captured by the camera hardware, a concentration of a target analyte in a test sample submitted via the biological chromatographic test strip. The mobile computing device further includes an interface in communication with the processing circuitry, the interface being configured to output data indicative of the concentration of the target analyte determined by the processing circuitry.

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.