175 results about "Reagent strip" patented technology

The utility model relates to the field of microfluidic detection and fluorescence immunoassay, in particular to a portable biochemical blood coagulation and fluorescence immunoassay integrated analysis device, which comprises a shell, a power supply arranged in the shell, two support plates arranged in the shell, a fluorescent bracket fixedly connected to the upper ends of the support plates, a support arranged in the shell, a lamp source arranged at the upper end of the support, and a light source arranged at the lower end of the lamp source. A microfluidic detection module is mounted in the support, a fluorescence immunodetection module is mounted at the upper end of the fluorescence bracket, an optical module is arranged in the fluorescence immunodetection module, and a bar code scanner for confirming information of a detection chip or a reagent strip is arranged on one side of the optical module; compared with the traditional detection equipment with a single function, the double detection functions of biochemistry and fluorescence immunity are realized, the detection efficiency and comprehensiveness are greatly improved, meanwhile, the kit also supports the simultaneous detection of three reagent strips with different specifications, and the flexibility and convenience of the detection are further enhanced.

The invention relates to the technical field of biological detection, in particular to an MxA, CRP and SAA combined detection card and a preparation method and application thereof, and the preparation method comprises the following steps: 1) preparing silicon-coated high-performance time-resolved fluorescent microspheres; (2) marking of an MxA antibody; (3) marking a CRP antibody; (4) marking an SAA antibody; (5) preparing a conjugate pad; (6) preparing a nitrocellulose membrane; and (7) assembling the reagent strip. The silicon-coated high-performance time-resolved fluorescent microspheres with the particle size range of 190-352 nm are prepared, the dye embedding rate is high, the sensitivity is high, the monodispersity is good, the stability is good, the hydrophilicity is high, agglomeration is not prone to occurring, and the dye embedding rate is increased. The MxA, CRP and SAA combined detection card prepared from the silicon-coated high-performance time-resolved fluorescent microspheres can improve the accuracy of identifying bacterial infection and virus infection, and is beneficial to early diagnosis and treatment of acute respiratory infectious diseases.

The disclosure discloses a liquid specimen lysis detection device. The device includes a detection unit, a lysis unit and a detachable limit structure, where the detection unit includes a detection shell, a sample acquisition unit and a detection reagent strip, the lysis unit includes a base, a piercing sleeve, a sealing film and a bottom bottle. The detachable limit structure is installed between the detection unit and the lysis unit to limit the depth of the detection unit inserted into the top opening of the base in the initial state, so as to prevent the piercing sleeve from piercing the sealing film. In the detection state, the detachable limit structure is removed, and the piercing sleeve pierces the sealing film under the push of the plug-in section of the detection shell; the sample acquisition unit extends into the bottom bottle.

The invention provides a light-excited lateral flow immunosensor reagent strip, a detection analysis method and application of the light-excited lateral flow immunosensor reagent strip. The reagent strip comprises an electrode substrate, a combination pad, a sample pad layer, a chromatography membrane and a water absorption pad, and the sample pad layer, the combination pad, the chromatography membrane and the water absorption pad of the reagent strip are connected end to end and are sequentially overlapped and pasted on the electrode substrate. The light-excited lateral flow immunosensor reagent strip is applied to quantitative analysis of various disease markers in biological fluids such as blood, saliva, cerebrospinal fluid or urine.

The present invention discloses a hs-TnI detection method based on quantum dot microspheres, which directly reacts a sample with a first solution containing antibody 1 and a second solution containing antibody 2 to generate a sandwich structure complex of antibody 1-antigen-antibody 2, and the antigen and antibody react in a reaction cup, incubate at a constant temperature, and the reaction time is longer, and the reaction is more sufficient, which is conducive to the improvement of detection sensitivity. At the same time, during chromatography, with the high affinity of streptavidin and biotin, the complex obtained by the reaction can be better captured on the T line, so that the reaction can be made more sensitive, and the detection time is also faster relative to the existing reagent strips. Further, combined with the advantages of high sensitivity and wide linear range of quantum dot microspheres, detection repeatability (CV) is better, CV is increased from the traditional 15wt% to within 8wt%, and the detection sensitivity is as high as 2pg / ml, while the linear range is 2-30000pg / ml, and full coverage is achieved for low-concentration and high-concentration samples.

The invention discloses a triiodothyronine dissociation agent, a detection kit, a preparation method of the triiodothyronine dissociation agent and application of the triiodothyronine dissociation agent and the detection kit, and the triiodothyronine dissociation agent comprises 10-100 mM of acetic acid-sodium acetate buffer solution, 0.05-1 g / L of ethylene diamine tetraacetic acid disodium salt, 1-10 g / L of perfluoroalkyl ethyl methacrylate, 0.2-1 mL / L of Tween-20 and 0.2-2 mL / L of ProClin 300, the pH (Potential of Hydrogen) of the triiodothyronine dissociation agent is 5.5 + / -1; the kit comprises a triiodothyronine dissociation agent and a reagent strip. According to the present invention, the two sites can be specifically recognized, the sensitivity and the specificity are high, the high-specificity detection on the specific antigen can be achieved, and the low-end sensitivity is high; meanwhile, the interference problem of rare earth europium during detection of triiodothyronine can be solved, and the accuracy of a detection result is further improved.

An optical system for a dry biochemical analyzer. The system consists of a light-source feedback unit, a light-homogenizing illumination light path and a collection light path. The electric current of a light source can be adjusted by means of the light-source feedback unit, such that the intensity of light output by the light source is stable. The system has a simple structure, high adjustment precision and high stability. By means of a multi-channel light-source current driver provided in the light-source feedback unit, rapid switching control over monochromatic light sources with different wavelengths can be realized. By means of the light-homogenizing illumination light path, light-homogenizing processing is performed on incident light beams, such that uniform illumination can be obtained on a dry reagent strip under test, the light path is concise, and a plurality of monochromatic light sources with different wavelengths that are provided off-axis can be overlapped and focused at the same position. The collection light path is configured as a telecentric light path, and a field diaphragm is provided, such that light beams on an entire illuminated surface can be uniformly collected. By using the system, the accuracy of collected reaction light beams corresponding to an object to be tested can be improved, thereby improving the accuracy of a subsequent analysis result of said object.

The invention provides multi-channel multi-joint inspection POCT full-automatic chemiluminescence equipment. The equipment comprises a rack; the sampling gun head accommodating mechanism, the test tube accommodating mechanism and the HGB detection mechanism are arranged on the rack in a longitudinal reciprocating motion manner, and a treating fluid container is arranged on the sampling gun head accommodating mechanism; the sampling mechanism is arranged on the rack in a transverse reciprocating motion manner; the reaction bin mechanism can be longitudinally arranged on the rack in a reciprocating manner and comprises a reaction bin body used for loading multiple joint inspection reagent strips, and the reaction bin body is provided with pressing elastic pieces used for pressing the multiple joint inspection reagent strips; the clamping and locking mechanism is located below the reaction bin mechanism, the reaction bin mechanism further comprises a driving device and a synchronous conveying belt connected with the driving device and a reaction bin body, and the clamping and locking mechanism is used for clamping, locking or loosening and unlocking the synchronous conveying belt so as to lock or unlock the reaction bin body. According to the present invention, the device has the immunoassay function, the HGB detection can be achieved, the multi-joint detection reagent strip does not shake or tilt, and the reaction bin body can be locked.

The invention relates to the field of reagent strip packaging quality detection, in particular to an in-vitro diagnostic reagent strip packaging quality control method and system. The method comprises the following steps: acquiring a packaged in-vitro diagnostic reagent monitoring image; performing multi-scale reconstruction on the in-vitro diagnostic reagent monitoring image so as to generate a multi-scale noise reduction reconstructed monitoring image; performing image visual segmentation and image iteration packaging defect detection on the multi-scale noise reduction reconstruction monitoring image one by one so as to obtain a packaging defect part expansion monitoring image; carrying out surface defect texture mining on the packaging defect part expansion monitoring image, and carrying out deep defect factor inference so as to generate packaging defect inference factors; obtaining a reagent strip packaging log; and defect process tracing is performed on the reagent strip packaging log according to the packaging defect inference factors, so that packaging process stages causing defects are marked. The packaging parameters are automatically adjusted through real-time feedback, so that the packaging quality of the in-vitro diagnostic reagent strip is accurately improved.

The embodiment of the utility model provides a biological detection reagent strip storing and pushing device, which relates to the technical field of reagent strip storing and pushing devices, and comprises a reagent strip pushing device and a rotating bin inwards arranged on the front side of the reagent strip pushing device, reagent grooves are evenly distributed in the surface of the rotating wheel, a kit can be placed in the rotating wheel through the reagent grooves, a discharging frame is fixed to one side of the bottom face in the rotating bin, a discharging pipe used for discharging is fixed to the top of the discharging frame, and meanwhile a push rod capable of pushing the kit to move is further arranged on one side of the outer surface of the rotating wheel. And along with rotation of the threaded rod, one end of the push rod pushes the kit to move into the discharging pipe, and then the kit can be conveniently taken out.

The utility model relates to the technical field of biological detection, in particular to a fluorescent PCR (Polymerase Chain Reaction) nucleic acid detection reagent strip for detecting Listeria monocytogenes, which is characterized in that after a sample to be detected is added into the reagent strip through a sample adding hole, the sample flows into a nucleic acid extraction area for nucleic acid extraction, and the extracted nucleic acid enters an amplification reaction area for amplification reaction; when a target nucleic acid sequence is amplified and then enters fluorescence detection to generate a fluorescence signal, a sensor in a fluorescence detection area captures the fluorescence signal in real time and transmits the signal to a control chip, the control chip processes and analyzes data, and a result is transmitted to external equipment (such as a computer, a mobile phone and the like) through a data transmission module. The rapid detection on the listeria monocytogenes is realized. The reagent strip disclosed by the utility model integrates the functions of nucleic acid extraction, amplification reaction and detection, is simple and convenient to operate, does not need complex sample pretreatment and professional experimental equipment, and is suitable for on-site rapid detection and basic application.

The utility model discloses a detector test strip fixing module convenient for non-professionals to use, which relates to the technical field of fast detection detectors and comprises a base and an insertion piece. When the kit is used, the bottom end of a reagent strip is fixed in the fixing groove and is matched with the fixing block to fix the reagent strip, and during detection, the sampling rod punctures the thin sheet A between the solution cavity and the communication cavity from top to bottom, so that a diluent with a sample enters the communication cavity and reaches the other side of the insertion sheet through the through hole; due to the fact that the bottom of the reagent strip is fixed in the fixing groove and makes contact with the diluent passing through the through hole, detection is achieved, the diluent is blocked below the first water blocking baffle and does not make direct contact with other parts of the reagent strip, and the purpose that the diluent gradually seeps to the top of the reagent strip is achieved; and therefore, the operation convenience and the accuracy of a detection result during detection by a non-professional user are further improved.

The present invention provides a carrier, which includes a channel for accommodating a test strip. One end of the channel is closed and the other end has an opening, and the fluid sample to be detected can enter the channel through the opening. Wherein, a flood prevention structure is included in the channel. By changing the channel in the carrier structure, the flood phenomenon of the test strip can be prevented and the error rate can be reduced.

The invention relates to the technical field of europium-labeled antibody preparation, in particular to a europium-labeled antibody dilution solution reagent strip preparation device and a preparation method thereof.The europium-labeled antibody dilution solution reagent strip preparation device comprises a supporting frame, a mixing tank is installed on one side of the top of the supporting frame, a reagent strip is arranged in the supporting frame, a discharging pipe is fixed to the bottom of the mixing tank, and a smearing assembly is arranged at the bottom of the discharging pipe; the smearing assembly comprises a material guiding frame fixed to the bottom of the discharging pipe, sliding grooves are formed in the two ends of the material guiding frame, sliding blocks are arranged on the inner walls of the sliding grooves in a sliding mode, sealing plates attached to the inner walls of the two ends of the material guiding frame are fixed to one ends of the two sliding blocks, and smearing roller pieces are rotationally connected to the bottoms of one sides of the two sealing plates; the smearing roller piece has the stirring performance in the smearing process, a certain extrusion effect is formed on a reagent strip and a liquid absorption layer, the smearing roller piece better adapts to the surface of the reagent strip, smearing uniformity is guaranteed, and the preparation quality of the reagent strip is improved.

The invention relates to the technical field of nucleic acid extraction instruments, in particular to a full-automatic nucleic acid extraction instrument, a portal frame module comprises a horizontally arranged portal frame base and a portal frame vertically arranged on the portal frame base, and the portal frame is slidably connected to the portal frame base; an oscillation module, a reagent strip bracket for placing a reagent strip and a reaction tube bracket for placing an eight-row tube are arranged at the upper part of the gantry base; the oscillation module is arranged on the oscillation module gantry base, and cell disruption of the sample is completed by the oscillation module through oscillation movement; one side of the gantry bracket is connected with the extraction module in a vertical sliding manner, and the other side is connected with the pipetting module in a vertical sliding manner; the pipetting module is used for transferring the sample subjected to cell wall breaking into each hole site in the reagent strip; the extraction module is used for extracting nucleic acid from the sample; and the pipetting module is also used for transferring the nucleic acid sample into the eight-row tube. The automation of the whole nucleic acid extraction process is realized.

The application discloses a kind of assembly tooling applied to immune chromatography reagent strip large plate, it is related to biomedical engineering industry technical field, including bottom plate and electric rotary table, the bottom plate top is fixedly connected with numerical control mechanical arm, the electric rotary table top is provided with disc, the disc top is provided with large plate clamping mechanism, by setting large plate clamping mechanism, the sliding slide of loading PVC bottom plate and clamping block will go along with the centrifugal force that rotates and is outward synchronous disc outer ring sliding, sliding slide slides on sliding strip, so that the clamping block on sliding slide and PVC bottom plate are outwardly slid along with PVC bottom plate, the extrusion force between the pad on PVC bottom plate and clamping block is relieved when being subjected to outward centrifugal force, avoid the problem that the pad on PVC bottom plate slides on clamping block and is warped, and each numerical control mechanical arm is placed on each kind of pad on sliding slide and is vibrated flat, prevent deviation and cause pad to be warped and skew problem when being placed.

The invention provides a progesterone detection reagent strip based on an antibody synergistic effect and a preparation method of the progesterone detection reagent strip. The progesterone detection reagent strip comprises a bottom plate, a sample pad, a combination pad, a nitrocellulose membrane and a water absorption pad, the combination pad is sprayed with fluorescent nano-microspheres coupled with a goat-derived PROG antibody and fluorescent nano-microspheres coupled with a goat anti-rabbit antibody, a detection line of the nitrocellulose membrane is coated with a PROG antigen, and a quality control line of the nitrocellulose membrane is coated with a rabbit anti-goat IgG antibody. According to the progesterone detection reagent strip based on the antibody synergistic effect, the competition method detection principle is adopted, the fluorescent microspheres are used as markers, the progesterone antibody and the fluorescent microspheres are combined in a coupling mode, the specificity and binding efficiency of antigen-antibody reaction are optimized based on the antibody synergistic effect, and the progesterone detection reagent strip can be used for detecting progesterone. The stability and sensitivity of the detection system are remarkably improved, and high-sensitivity and high-specificity detection of the progesterone level in serum or plasma is achieved.

The present invention relates to the technical field of allergen detection, and discloses a high-sensitivity detection reagent strip, a preparation method, and its application, comprising a shell, the shell comprising at least a sample addition hole, a liquid addition hole, and a display area; a lateral flow test strip is provided inside the shell; the lateral flow test strip comprises a bottom structure, the bottom structure is provided with a marker flow area and a sample flow area; wherein the marker flow area is located above or below the sample flow area; the sample flow area and the marker flow area each comprise at least one sample pad, and a plurality of the sample flow areas and the marker flow areas are physically isolated from each other. The beneficial effects of the present invention are: it can realize combined immunoassay and quantitative detection, solves the problem that the traditional mode cannot be quantified or is too time-consuming, and further increases the sensitivity of the product due to the increase in the sample incubation process.

The utility model discloses an allergen-specific IgE antibody detection data acquisition device, and particularly relates to the technical field of specific IgE. The allergen-specific IgE antibody detection data acquisition device comprises a portal frame, a plurality of reagent strip placing frames are arranged on the portal frame in a linear array; the vertical projections of the plurality of reagent strip placing racks are staggered along the width direction of the portal frame and are not overlapped with each other; a window; the camera shooting element is used for detecting the windows on the reagent strip placing frames; and a cleaning assembly. According to the allergen specificity IgE antibody detection data acquisition device, through the arrangement of the cleaning assembly, water stains or mist possibly appearing on the camera element due to water vapor evaporation or sputtering is wiped, it is guaranteed that the camera element is always clear, and due to the fact that the vertical projections of the reagent strip placing frames are arranged in the width direction of the portal frame in a staggered mode and do not overlap, the detection accuracy is improved. Therefore, all the windows are detected by the camera element, mutual shielding of the windows is avoided, and the data acquisition efficiency is improved.

The present invention discloses an automatic positioning and leveling device for reagent strips, comprising: a bracket, a translation mechanism disposed on the bracket and having a moving platform; an incubation mechanism disposed on the moving platform and having: an incubation table fixedly connected to the moving platform, and a reagent strip placement position provided on the top surface of the incubation table; and a reagent rack for fixing the reagent strip, the reagent rack having a pressing plate located above the reagent strip; a locking mechanism disposed on the moving platform for moving the pressing plate towards the incubation table to position and level the reagent strip. The structure of the present invention is simple and the layout is compact. After the reagent rack loaded with reagent strips is placed in the incubation tray, with the forward movement of the incubation tray, the clamping of the reagent rack and the leveling of the reagent strips can be automatically achieved, without complex signal judgment and logical timing control, which is safe and reliable and improves the detection accuracy.

The present invention provides a light-activated lateral flow immunosensor reagent strip, a detection and analysis method, and its application. The reagent strip comprises an electrode substrate, a conjugate pad, a sample backing layer, a chromatographic membrane, and a water-absorbing pad. The sample backing layer, conjugate pad, chromatographic membrane, and water-absorbing pad are connected end to end and sequentially overlapped and affixed to the electrode substrate. The light-activated lateral flow immunosensor reagent strip is used for the quantitative analysis of various disease markers in biological fluids such as blood, saliva, cerebrospinal fluid, or urine.

The utility model relates to technical field of kit, disclose a urine galactose kit with quantitative function for infant, including kit body, the kit body top fixed connection limit frame, through full urine infusion tube screw thread connection to support on, and make scale value and instruction board adhere, again through screw rod rotates on the bearing, and make screw rod drive connecting plate slide on the guide rod, simultaneously connecting rod promotes piston head to move in infusion tube, and make urine in infusion tube drop to reagent strip through dropper and carry out detection, and piston head moves while synchronously driving instruction board moves on scale value to draw urine drop amount, and further improved the precision of urine detection, and solved the problem that because the inconsistent of dropper drop amount, make part originally normal sample of galactose content, because drop amount is too much and shows that galactose concentration is high, appears false positive result, misled the subsequent diagnosis and treatment.

The present invention provides a detection device for detecting an analyte in a test sample. The device includes a first chamber and a second chamber. The first chamber is used to collect a liquid sample and perform an initial detection, and the second chamber is used to collect the liquid sample for a secondary confirmation detection. The first chamber and the second chamber of the device are detachably combined. When a secondary confirmation detection is required, the second chamber can be separated from the first chamber and then sent to a confirmation detection institution for confirmation detection. It can avoid the possible contamination of the sample caused by the contact between the test reagent strip of the traditional device and the liquid sample; effectively reduce the space required for storing the liquid sample, and greatly reduce the risk of leakage of the liquid sample during transportation.

The utility model relates to the technical field of storage devices, and discloses a detection reagent strip storage device which comprises a bottom frame and further comprises a storage frame and an opening and closing assembly, the storage frame is arranged on the bottom frame, partition plates for separating reagent strips are fixedly connected into the storage frame, and the opening and closing assembly is arranged at the top of the storage frame. A sliding block is slidably connected into the storage frame, a fixing block is fixedly connected to the inner side of the sliding block, a first clamping groove is formed in the fixing block, a second clamping groove is formed in the fixing block, and a semicircular block is rotationally connected to the fixing block. The angle of a pressing plate is controlled through a first clamping groove and a second clamping groove, and a sliding block slides in a storage frame, so that the height of the pressing plate is conveniently adjusted, the pressing plate makes contact with the tops of stored detection reagent strips, the detection reagent strips are prevented from shifting, and the storage convenience of the detection reagent strips is improved; secondary arrangement of operators is prevented, so that the storage neatness of the detection reagent strips is improved.

The utility model provides a device for detecting substances in liquid. The device for detecting the substances in the liquid comprises a reagent strip and a first connecting part, a clamping groove and a second connecting part are formed in the first connecting part in the first direction, and a sample adding hole is formed in the second connecting part; a flow guide channel is formed in the second connecting part and located in the second connecting part, the first connecting part can be an insertion plate, and the second connecting part can be a cover sleeve. The insertion plate is inserted into the cover sleeve, the cover sleeve is flatly placed, then a sample is dropped from the sample adding hole, flows into the cover sleeve and flows to the reagent strip along the flow guide surface, so that the sample is absorbed by the glass fiber end on the reagent strip, a liquid storage space is reserved in the cover sleeve, and part of the sample which is not absorbed stays on the flow guide surface and is gradually absorbed by the reagent strip; therefore, the sample can be absorbed by the reagent strip only by adding the sample into the sample adding hole in the cover sleeve once, and the dropwise adding time is short and can be completed within 1-2 seconds.

The utility model relates to the technical field of optical detection, and provides a light path cassette, the light path cassette comprises a seat body, a camera module, a lamp assembly and a detection reagent strip, the seat body is provided with a cassette space and a slot, the seat body is provided with a detection port communicated with the cassette space and the slot, and a shooting hole and a lamp hole communicated with the cassette space; the camera module is arranged on the seat body and covers the shooting hole so as to shoot towards the inside of the cassette space; the lamp assembly is arranged on the base body and covers the lamp hole in a sealing mode so as to irradiate light towards the interior of the cassette space. The detection reagent strip is inserted into the slot and covers the detection opening, the detection reagent strip is provided with a detection window, the detection window is arranged corresponding to the detection opening, and the camera module shoots towards the detection window. The light path cassette forms a closed cassette space, so that the influence of environmental stray light is avoided, and meanwhile, the camera module and the lamp assembly are prevented from being fixed on different accessories respectively, so that accumulated errors such as parts and assembly tolerance are reduced, the light path transmission is more accurate, and the detection result is more accurate.

The invention discloses a universal magnetic nano-enzyme probe for detecting bacteria and viruses, a preparation method, a reagent strip and application, the universal magnetic nano-enzyme probe comprises magnetic Fe3O4 nano-particles and multiple layers of cationic polymer strong positive electricity interlayers loaded on the surfaces of the magnetic Fe3O4 nano-particles, the magnetic Fe3O4 nano-particles serve as inner cores, and the magnetic Fe3O4 nano-particles serve as outer cores. A cationic polymer is used as a connecting layer to adsorb multi-layer small gold iridium alloy nanoparticles (Au (at) Ir), the surfaces of the multi-layer small gold iridium alloy nanoparticles are coupled with wheat germ agglutinin protein molecules, Fe3O4 nanoparticles provide magnetic response ability, and the multi-layer Au (at) Ir provides colorimetric signals, catalytic sites and binding sites. Wheat germ agglutinin (WGA) provides the ability of a label to capture pathogens in a broad spectrum, the Fe-DAu-Ir-WGA probe is combined with an LFA technology, colorimetric signal reading is carried out through ImageJ software, and efficient and ultra-sensitive quantitative detection of multiple pathogens is achieved.

The utility model discloses an HIV (Human Immunodeficiency Virus) antibody detection reagent storage box in the technical field of reagent storage boxes, which comprises a box body, a reagent strip is arranged in an inner cavity of the box body, a box cover is arranged at the top of the box body, clamping mechanisms are arranged on two sides of the box cover, a sample adding port is arranged at the right end of the top of the box cover, and a clamping mechanism is arranged at the right end of the top of the box cover. A plugging mechanism is arranged at the top of the sample adding opening, a preformed hole is formed in the side, away from the sample adding opening, of the top of the box cover, and an observation window is installed in the preformed hole. The kit cover, the kit body, the reagent strip, the sample adding opening and the preformed hole are arranged in a matched manner, so that the reagent strip can be protected during detection, unnecessary pollution caused in the process of waiting for a result is effectively avoided, and the detection accuracy is greatly improved.

The utility model belongs to the field of medical equipment, and provides POCT (Point of Care Testing) full-automatic chemiluminescence equipment which comprises a mounting frame; the reaction bin assembly is arranged on the mounting frame, can reciprocate in the length direction of the mounting frame, and is used for loading reagent strips; the PMT assembly is arranged at the rear end of the mounting frame and located above the reaction bin assembly, the reaction bin assembly is used for moving the reagent strip to the PMT assembly, and the PMT assembly is used for conducting luminous value detection on the detection position of the reagent strip; the multi-channel parallel pretreatment device is arranged on the mounting frame, is positioned in front of the PMT device, is positioned above the reaction bin assembly, can reciprocate along the length direction of the mounting frame, and is used for sucking and spitting samples from the reagent strips and transferring magnetic particles. The multi-channel parallel pretreatment device disclosed by the utility model is movably arranged in the mounting frame and can move relative to the reaction bin assembly, so that the pretreatment speed of the multi-channel parallel pretreatment device is accelerated.

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).,