32 results about "Blood film" patented technology

The invention relates to an automatic peripheral blood pushing device, which can achieve regular and standard blood smears by controlling parameters having directly affection on quality of the blood smears during a pushing process. Particularly, the automatic peripheral blood pushing device can control three degrees of freedom, utilizes a horizontal motor to control inclined included angle between a push slide and a glass slide, and utilizes a left motor to drive a synchronous belt pulley to complete blood pushing action, and adjusts speed and acceleration of the push slide by controlling rotation speed and acceleration of the left motor so as to control lengths of formed blood films. A clearance between the push slide and the horizontal glass slide is adjusted by utilizing an upper motor to drive a lead screw so as to control thicknesses of the formed blood films. Angle, speed and acceleration of the push slide, lengths of blood films and a clearance between the push slide and the glass slide can be adjusted by controlling running of the three motor, thereby manufacturing regular and stand blood smears with different thicknesses.

The invention belongs to the technical field of medical detecting instruments, relating to an automatic blood film making and dyeing instrument operating in a disc rotating mode. The automatic blood film making and dyeing instrument provided by the invention is characterized in that a sample feeding and film pushing disc is adjacent to a dyeing disc, a shifting fork is arranged between the sample feeding and film pushing disc and the dyeing disc, the sample feeding and film pushing disc and the dyeing disc are respectively driven by virtue of stepping motors to rotate, and the shifting fork shifts the blood film into a corresponding empty dyeing box on the dyeing disc when the film discharging station of the sample feeding and disc pushing disc is rotated to the joint of the sample feeding and disc pushing disc and the dyeing box entering station of the dyeing disc, thus the whole film making and dyeing process is completed. The automatic blood film making and dyeing instrument provided by the invention has the advantages that the operational mode of rotating the disc is utilized to substitute the operational mode of linear motion while the direction is changed for multiple times in the prior art, the use of a transmission belt and an automatic manipulator is greatly reduced, the overall structure is simple and compact, and the manufacturing cost is low; and besides, the stability and reliability of the instrument can be improved, all the processes are tightly arranged around corresponding stations of the rotating disc owning to an implementation device, thus all the stations can simultaneously operate and the operational efficiency is improved.

The prevent invention relates to a simple and quick detectino technique of shrimp-crab intravital blood lymph light microscope, including shrimp and crab living body blood-taking method: cleaning shrimp and crab body, disinfecting by using alcohol, using injector to needle into 7-10 mm of shrimp or crab body to draw blood; blood film preparation and staining method, using 0.05 ml of blood-lymph fluid, dropping on glass slide, adding 4% formaldehyde fixing fluid, drying, staining for 15-20 min. in Giemsa staining solution, washing film with water and making observation by using light microscope, covering with glass plate and making observation by using oil microscope. Said invention adopts meta-acid water flushing scheme to can quickly detect pathogen RLO (Rickettsia-like organism), therefore it possesses high practical value for culturing shrimp and crab.

The invention discloses an adherent red blood cell automatic counting method based on high spectral imaging. The method includes the following steps: reading high spectral image data of a blood film and compressing the data, decomposing the compressed high spectral data through a continuous maximum angle convex cone method, and obtaining abundance maps of a preset number of end members of the blood film; conducting binary processing on the abundance maps of the end members through the Otsu method, and removing fine noise spots through erosion operation by a mathematic morphological method; conducting hole filling on binary images of the end members, and selecting a cytoplasm binary image on the basis of the number of connected domains and the size of the maximum connected domain; marking and counting areas of cytoplasm connected domains of the cytoplasm binary image, and selecting a median of the areas of the cytoplasm connected domains as a reference value R; and identifying and counting all the cytoplasm connected domains. Through full utilization of spectrum and image information, the counting problem of adherent red blood cells is solved, and the accuracy of a red blood cell automatic counting result is improved.

The application provides a sample smear coating dryness fraction detection method and an apparatus. Concretely, a sample coating covering area on a sample smear is employed in a light irradiation process, an effective photoelectric signal used for characterizing the effective optical signal intensity is generated based on a real-time detected optical signal, and then whether the coating is dry is determined by analyzing the effective optical signal after being affected by a blood film. The dryness fraction of each sample smear can be independently detected, thus time consumption based on the longest sample smear drying time is avoided and also the drying quality of each sample smear is guaranteed. The application also discloses a sample smear drying apparatus realizing the above method, and aiming at the sample smear in the drying process, whether the blood film is dried is determined by employing the method of enabling light to irradiate the sample coating on the sample smear.

The invention discloses siphon type total homocysteine test paper and a manufacturing method thereof. The test paper structurally comprises a hydrophilic cover sheet, a PET double-faced adhesive tape blood guide groove, a polyester gauze, a blood suction pad, a blood filtering film, a color developing film, a PET interlayer, a double-faced adhesive tape pad and a PET bottom plate in sequence from top to bottom. According to the invention, a test can be carried out by using fingertip blood, the siphon type design of a siphon sample adding port enables the test speed to be higher and time to be saved, the overall design saves space, sampling is convenient and small in amount, a patient does not feel pain, sampling is not depended on professionals, the test result covers all forms of homocysteine, the result sensitivity is higher and more accurate, the problem that the sum of all forms of homocysteine cannot be detected when homocysteine is detected at present is perfectly solved, the problem of interference of a dissociation agent pair is solved, and the test paper meets and is suitable for rapid and convenient detection requirements of inspection places of primary hospitals.

The invention provides a method for adjusting blood film characteristics of a blood smear pushed by a push piece machine. The method comprises receiving at least one setting item among blood film thickness, blood film length and blood film tail shape which are selected on the push piece machine by a user; generating a target smear parameter according to the at least one setting item among blood film thickness, blood film length and blood film tail shape selected by the user; and taking the target smear parameter as the blood film characteristic, and controlling the push piece machine to push out the blood smear. The provided method for adjusting the blood film characteristics of the blood smear pushed by the push piece machine prompts a user to operate through a visual friendly graphical interface, is convenient for the user to flexibly set the blood film characteristics of the smear, and is suitable for smear reading habits of different users.

The invention discloses a colloidal gold immunochromatography test strip for detecting a neutralizing antibody generated in vivo after a new crown 450+150vaccine is inoculated and a preparation method of the colloidal gold immunochromatography test strip. The test strip comprises a PVC (polyvinyl chloride) bottom plate, and a sample pad (blood filtering membrane), a conjugate pad, an NC (nitrocellulose) membrane and absorbent paper are sequentially overlapped on the PVC bottom plate from left to right; the conjugate pad is coated with a recombinant novel coronavirus RBD protein marked by colloidal gold; the NC membrane is coated with human angiotensinase 2 (ACE2) as a detection line T line; and the NC membrane is coated with a chicken IgY antibody as a quality control line C line. The colloidal gold immunochromatography test strip adopts a competition method to detect a neutralizing antibody generated in the human body inoculated with a new crown vaccine, has better specificity, sensitivity and stability, is simple to operate and short in detection time, and provides a reliable choice for rapid clinical detection.

The invention provides a total bilirubin test card and a manufacturing method thereof, the test card comprises an upper cover, a gauze, a blood absorbing pad, a blood filtering film, a color developing film, a PET bottom sheet and a lower cover, and the total bilirubin test card is formed by assembling the upper cover, the gauze, the blood absorbing pad, the blood filtering film, the color developing film, the PET bottom sheet and the lower cover from top to bottom in sequence. According to the invention, the total bilirubin concentration in human serum can be rapidly, conveniently and accurately measured.

The invention discloses a device for preparing a blood smear by using a self-adaptive bionic manipulator. A transverse translation unit adopts the combination of a screw rod motor and a guide rail movement mode to fully ensure the stability of transverse movement so as to ensure the perpendicularity of a push broach, is matched with a longitudinal translation unit to allow the push broach to obtain the better stable transmission performance, and is matched with the floating adjusting of a push broach rotating unit to achieve self-adaptive adjustment of the push broach so as to fully ensure thehigh-quality and high-precision slice pushing effect and ensure a high-quality blood film; a push broach cleaning component is utilized, so that the push broach can be effectively cleaned, carryingpollution is reduced, the push broach can be repeatedly used, and the blood smear manufacturing cost is reduced; and moreover, a push broach drying component is used for drying the push broach withina short time after the push broach is cleaned, and therefore, the higher operation speed of a push broach assembly line is obtained.

The invention discloses a sample analysis system and method, a slide basket conveying device and a storage medium, the sample analysis system comprises a slide pushing machine, a slide reading machine and the slide basket conveying device arranged between the slide pushing machine and the slide reading machine, the slide pushing machine is used for pushing blood on a slide into a blood film shape, and the slide basket conveying device is used for conveying the blood on the slide to the slide basket conveying device. The slide reading machine is used for shooting a cell image of a specific area of a slide and analyzing the cell image, the slide basket conveying device is used for conveying a slide basket loaded with the slide from the slide pushing machine to the slide reading machine, the slide basket conveying device comprises a rack, a hooking mechanism and a pushing mechanism, the rack comprises a top plate, the hooking mechanism is installed on the rack, and the pushing mechanism is installed on the top plate. The hooking mechanism is used for hooking a slide basket loaded with slides from the slide pushing machine to the top plate, and the pushing mechanism is installed on the rack and used for pushing the slide basket on the top plate to the slide reading machine. According to the sample analysis system disclosed by the invention, the slide basket only moves on the top plate, and a lifting conveying mechanism is not needed, so that the complexity of the mechanism is reduced, and the reliability is high.

The invention relates to an NT-proBNP quantitative detection kit and a preparation method thereof, the NT-proBNP quantitative detection kit comprises a chip and a reagent, and the chip comprises a chip substrate and a chip cover plate; a sample adding area, a reaction area, a detection area and a waste liquid pool are sequentially arranged on the chip substrate; the sample adding area is communicated with the reaction area through a filtering channel, and a blood filtering film is arranged in the filtering channel; the reaction area is communicated with the detection area through a reaction channel, a first flow limiting column is arranged in the reaction channel, the first flow limiting column is of a bent structure, and the bending direction extends in the width direction of the reaction channel; the detection area is communicated with the waste liquid pool through a waste liquid channel, a second flow limiting column is arranged at the communication position of the waste liquid channel and the waste liquid pool and is of a wave-shaped structure, and a protrusion is arranged at the end, facing the waste liquid pool, of the second flow limiting column; the reaction area is coated with an NT-proBNP antibody I marked by fluorescent microspheres, and an NT-proBNP antibody II is fixed in the detection area; a sample adding hole, a detection window and an air hole are formed in the chip cover plate. The kit has the advantages of rapidness, simplicity and convenience in detection and capability of greatly improving the detection sensitivity and accuracy.

The invention discloses a blood cell smearing device including a base. A conveying rail and a box body are arranged on the base; a plurality of bearing mechanisms for bearing glass slides are arrangedon the conveying rail; the conveying rail is used for conveying the bearing mechanisms on the inner side and the outer side of the box body in a reciprocating mode; the conveying rail enters and exits from the box body through an opening door in the box body, and an automatic sealing door for sealing the opening door is further arranged on the box body; a vacuumizing mechanism and a heating mechanism are arranged on the box body; the heating mechanism is used for heating the bearing mechanisms, and the vacuumizing mechanism is used for vacuumizing the box body. According to the blood cell smear device provided by the invention, the blood cell smear is dried through the cooperation of vacuum suction and heating, so that the speed is high, and no negative influence is brought to a blood film.

The invention belongs to the technical field of plasmodium microscopic examination, and particularly relates to a treatment method of a thick blood film of a blood smear for plasmodium microscopic examination, which comprises the following specific steps: preparing a thick blood film and a thin blood film; performing drying; preparing a 25% ethanol (water) mixed solution while the blood membrane is dried; covering a dried thick blood film on a glass slide by using the mixed solution; enabling a 25% ethanol (water) mixed solution to act on the thick blood membrane for a certain time; drying the blood smear subjected to thick blood membrane treatment; carrying out dyeing treatment on the dried blood smear; and carrying out microscopic examination on the dyed blood smear. The treatment method can completely and effectively destroy and dissolve red blood cells in the thick blood membrane, can effectively retain plasmodium substances, nucleated white blood cells, blood platelets and the like in the red blood cells in the blood membrane, and can fix the plasmodium substances, nucleated white blood cells, blood platelets and the like in the original thick blood membrane area as much as possible, so that subsequent staining microscopic examination and accurate result judgment are ensured, and the method is suitable for large-scale popularization and application. And a more sensitive and reliable basis is provided for searching plasmodium.

The invention discloses a production technology of ham slices and the ham slices, relates to the technical field of food making, and solves the problem of bad eating texture. The ham slices comprise the following components in percentage: 68% of raw materials, 5% of preserving materials, 0.01% of pyrophosphate, 8% of starch, 12% of borneol, 1% of refined salt and 5% of albumen. The production technology of the ham slices comprises the following steps of preparing the raw materials: removing fascia, periosteum, blood films, blood vessels, lymph, extravasated blood and broken bones from the rawmaterials according to natural grains of the raw materials, rejecting PSE meat, then performing thorough cleaning, and performing draining for standby application. According to the ham slices and theproduction technology thereof disclosed by the invention, porcine prime conditions are added, so that reinforcement of the flavor and the tenderness of ham sausages is facilitated; in addition, the starch is added, so that the tissue of the ham sausages can be fine and smooth, good in elasticity and good in mouth feel; and then through nitrite and high-temperature high-pressure cooking in a production process, destroying microorganisms is facilitated, the quality guarantee period of products is prolonged, and after test, the products can be preserved for 3 months or above at room temperature.

The invention discloses hematology department blood examination equipment and relates to the field of medical equipment. The hematology department blood examination equipment comprises an outer frame, wherein a servo motor is fixedly installed on the inner bottom side of the outer frame, an output shaft is installed at an output end of the servo motor in a driving mode, an operation door is movably installed at the top of the outer frame, and a handle is fixedly installed at the top of the operation door; the output shaft is fixedly provided with a plurality of separation mechanisms, the separation mechanisms are matched with the operation doors, a side face of the outer frame is provided with an operation groove, and a blood trowelling unit is movably installed in the operation groove. According to the blood examination equipment for the hematology department, through the arrangement of the separation mechanism, blood can be rapidly separated, the separation speed is increased, through the arrangement of the blood trowelling unit, the blood on a glass slide can be smeared into a uniform blood film, the working speed is increased, the examination effect is improved, through the arrangement of the cleaning part, the glass slide can be cleaned and disinfected, and the next use is facilitated.