14 results about "Blood Stains" patented technology

The utility model relates to the field of medical detection, provides a sample storage and treatment device for gene detection, and aims to solve the problems of inconvenience in storage, easiness in omission and risk of pollution of DNA (deoxyribonucleic acid) samples during treatment in the prior art, and the sample storage and treatment device comprises a shell, a puncher, a punching die and a storage positioning mechanism, the punching die is arranged on the shell; the storing and positioning mechanism is detachably connected to the punching die and used for storing and positioning the dried blood spot collection cards during punching. The storage positioning mechanism can store a plurality of dried blood spot collection cards after sampling and can also perform positioning; when the blood spot needs to be punched and cut out, the storage positioning mechanism is directly installed on the shell, and the puncher is used for punching. And through the matched design of the storage positioning mechanism and the punching die, the dried blood spot collection cards do not need to be sequentially taken out for punching during sample punching treatment, pollution to dried blood spot collection card samples for Rh blood group gene detection is effectively reduced, and more convenience is achieved. The method is especially suitable for large-scale Rh blood group gene screening.

The present application belongs to the technical field of cleaning supplies, and particularly relates to a high-efficiency blood-stain removing powder and a preparation method thereof. The high-efficiency blood-stain removing powder provided by the present application comprises the following raw materials and mass fractions: 45.0-65.0 parts of sodium percarbonate, 12.0-18.0 parts of an auxiliary agent, 11.0-18.0 parts of an auxiliary cleaning agent, 4.0-7.0 parts of anhydrous sodium metasilicate, 1.0-3.0 parts of a non-ionic surfactant, 1.5-2.5 parts of an enzyme preparation, 0.2-1.0 parts of an antibacterial agent, 1.0-3.0 parts of a thickening agent, and 0.1-0.5 parts of a fragrance; the auxiliary cleaning agent is composed of sodium carbonate and sodium alpha-alkenyl sulfonate at a mass ratio of 8.0-12.0:3.0-6.0. When the high-efficiency blood-stain removing powder of the present application is used, no complex operation is needed, and blood stains can be easily removed through simple soaking, without laborious scrubbing, so that the effect of 'quick cleaning and complete stain removal' is truly achieved.

The application discloses a collecting device for quantitatively collecting dry blood spots, which comprises a sample collecting ring with both ends being permeable, a sample carrying sheet and a quantitative capillary for sampling, and the sample carrying sheet is detachably arranged in the sample collecting ring. The application also discloses a collecting method for collecting dry blood spots by using the collecting device. The application can quantitatively collect blood samples, and the sample can be directly sealed and sent without drying, punching and sampling, so as to reduce cross contamination, improve the accuracy of quantitative detection results of the dry blood spots, and make the quantitative collection, preservation, sample information input and sample sending operation of the sample be integrally completed by the device.

The utility model relates to the technical field of medical instruments, in particular to a separable aluminum foil plate-shaped dried blood spot whole blood sample storing and packaging system which comprises dried blood spot storing filter paper and an aluminum foil base plate. The dried blood spot preservation filter paper comprises filter paper and paper, the lower edge of the filter paper and the upper edge of the paper are overlapped and fixedly connected, a plurality of first cutting lines are arranged on the filter paper, and a plurality of dried blood spot collecting points are defined by the first cutting lines on the filter paper; a plurality of second cutting lines are arranged on the aluminum foil substrate and divide the aluminum foil substrate into a plurality of aluminum foil substrate units; each aluminum foil substrate unit comprises a substrate unit main body, a plurality of bubble caps, a drying agent and aluminum foil; due to the design of the aluminum foil substrate unit, the external environment can be effectively isolated, the storage life of a sample is prolonged, meanwhile, a dried blood spot collecting point can be easily separated and taken out through a cutting line, the operation is simple, and the sample treatment efficiency is greatly improved.

The application discloses a kind of quick quantitative dry blood spot sampler, including test tube, test tube plug, blood collection tube, blood absorption filter paper;The application is designed into integrated, continuity, closed operation structure by quantitative blood suction and blood spot formation, after automatic quantitative blood suction is carried out by blood collection tube, the end of blood collection tube contacted with blood is inverted upward, since the upper end of blood collection tube is contacted with the lower end surface of blood absorption filter paper, so blood will flow downward under the action of gravity and is automatically absorbed by blood absorption filter paper to form blood spot, the desiccant preloaded in test tube plug can absorb moisture in blood to rapidly complete the drying of blood spot, so that the quantitative blood suction of blood collection tube and the formation and drying of blood spot of blood absorption filter paper become a coherent, closed step, the quickness and convenience of sampling are improved, the risk of contamination in the process of manual transfer of blood suctioned by blood collection tube and blood spot drying is avoided, and the efficiency of dry blood spot collection and preparation is greatly improved.

The present invention provides methods, compositions, kits, and devices for detecting heavy metals in dried blood (e.g., dried blood spots). For example, the present invention provides: 1) dried blood spot paper that is detectably free of heavy metals and methods of preparing such paper using organic acid; 2) dried blood extraction solutions optimized for heavy metal detection (e.g., extraction solutions containing acetic acid and / or gold); 3) methods for estimating venous blood volume from dried blood mass; and 4) kits and kit components optimized for heavy metal detection in dried blood (e.g., kits with paper detectably free of heavy metals, heavy metal free skin wipes, metal free collection case, etc.).

The utility model discloses a bloodstain screening device, which relates to the field of bloodstain screening and comprises a screening component, the screening component comprises a hollow through shell, a reagent strip limiting tube is fixedly connected inside the front end of the through shell, and the front end of the through shell is gradually narrowed flat. The bloodstain screening device comprises a through shell, a colloidal gold reagent strip is arranged in the through shell, a reagent strip limiting tube is arranged in the through shell, the reagent strip limiting tube is of a flat strip-shaped design with the hollow interior, the through shell and the reagent strip limiting tube are both made of transparent acrylic materials, and a test tube is fixed in the middle of the interior of the through shell. The internal buffer solution can fully soak the reagent strip conveniently, the internal buffer solution is absorbed by the built-in cotton ball, the internal piston rod is pushed to extrude the cotton ball when inspection is needed, the buffer solution is extruded out to be in contact with the reagent strip, the buffer solution does not need to be prepared in real time during detection, and the overall detection efficiency can be improved.

This invention discloses a fixation device for animal medical experiments, comprising a support frame, a square tube fixedly connected to the bottom of the support frame, a first motor fixedly connected to the side of the square tube, a one-way threaded rod fixedly connected to the output end of the first motor, a sliding frame threadedly connected to the one-way threaded rod, a connecting rack fixedly connected to one side of the sliding frame, and an external toothed ratchet ring meshing with the connecting rack. The support frame is fixedly connected to a first bevel gear, and a disc is fixedly connected to the side of the first bevel gear away from the support frame. This invention effectively avoids experimental interference caused by blood stains and odors, ensuring data accuracy. The device features an automatic post-experiment cleaning mechanism that quickly cleans blood stains and odors from components such as the support frame and flip clamp, preventing residual odors from irritating subsequent experimental animals, reducing abnormal reactions such as animal restlessness and stress, stabilizing physiological indicators such as heart rate and blood pressure, and ensuring the accuracy and consistency of data from multiple batches of experiments.

The invention relates to the technical field of surgical patient nursing, in particular to a tourniquet antifouling treatment device with a circulating supply and last disinfection mechanism, which comprises a tourniquet decontamination box, one side of the tourniquet decontamination box is fixedly connected with two groups of pushing mechanisms, and the movable ends of the two groups of pushing mechanisms are fixedly connected with a bloodstain treatment module and a sterilization module respectively; the bloodstain treatment module comprises a bloodstain treatment box, the side face of the bloodstain treatment box communicates with the sterilization module, and a bloodstain treatment mechanism, a reciprocating movement mechanism and a disinfectant spraying mechanism which are distributed from top to bottom are installed in the bloodstain treatment box; fixing is completed through the reciprocating moving mechanism, the bloodstain treatment mechanism can treat the suturing positions on the two sides of the tourniquet in a targeted mode, the reciprocating moving mechanism drives the tourniquet to move in a reciprocating mode, and it is ensured that the treatment mechanism comprehensively cleans bloodstain; the groove plate is arranged below the suture position of the tourniquet, so that the suture position can fluctuate up and down in the moving process and is accurately matched with the transverse cleaning brush, and blood stains at the suture position are accurately removed.

The present disclosure relates to a blood staining patch, a method and device for a blood test using the same, and more particularly, to a patch configured to contain a staining reagent for staining blood and a method and device for economically testing blood using the same. A blood testing method according to an aspect of the present disclosure, which is a blood testing method in which a patch, which includes a mesh structure forming micro-cavities and is configured to contain a staining reagent for staining targets present in blood in the micro-cavities, is used to perform a blood test through staining of the staining target, includes placing blood in a reaction region, and providing the staining reagent to the reaction region using the patch configured to contain the staining reagent.

The application discloses an intelligent egg belt analysis device and method, and belongs to the field of automatic detection. The device solves the problems of low counting accuracy, easy environmental interference and single function of the prior art. It comprises a three-dimensional adjustable support for adapting to different production lines, an industrial camera and a core optical imaging cavity. The cavity cover is arranged in the field of view of the camera and comprises a ring-shaped multi-layer light source and a light shield, which jointly build a stable optical imaging environment isolated from external environmental light. An edge computing device is electrically connected with the camera and the light source, receives the egg images collected in the stable environment, and performs high-precision counting, quality detection (such as crack, dirt and blood stain) or specification analysis based on the images. The application realizes high-precision, strong anti-interference and multifunctional integrated online analysis by physically isolating environmental interference, combining a programmable optimized lighting scheme and an advanced visual algorithm, and can generate structured data to support fine production management.

A dried blood spot collection (DBS) card that assists with correct and efficient collection of capillary blood using a dried blood spot collection (DBS) collection device. The DBS card may comprise a rectangular shape configured to be held in a DBS collection device in a desired orientation for blood sample collection. The DBS card comprises target discs aligned with the collection apertures on the DBS collection device. The patient will be able to direct drops of capillary blood to pass through the top holes and then blood will travel into the DBS card at precise locations so as to ensure proper saturation while minimizing risk of outside contaminants and / or cross-contamination between target spots. Further, the target spots are physically surrounded by voids separated by bridges such that the patient can verify saturation level by looking at the saturation of the central target disc.

This invention relates to the field of automated detection technology, specifically to an optimized disposable adhesive pin and automated punching method and system for dried blood smear sample collection. The method includes the following steps: acquiring the disc number sequence and status code to construct a status vector; comparing and generating an insertion docking table; extracting punching coordinates and correcting offsets; binding parameters to construct a cutting command; controlling the cutting and identifying channel coding features; acquiring displacement and performing consistency judgment to form a completion mark; updating the status vector and remapping empty space relationships. In this invention, by real-time recognition of the dried blood spot disc barcode image and comparison of the coding vector, a one-to-one match between the disc and empty space states is achieved. Coordinate difference correction is completed before the insertion action, effectively avoiding the accumulation of cutting position errors, effectively avoiding the problem of duplicate or missing sample information insertion, improving overall insertion efficiency and accurate traceability, and ensuring the reliability and continuity of automated processing of large batches of samples.

The invention provides a medical instrument residual blood detection kit and a use method thereof, and relates to the technical field of medical detection. The medical instrument residual blood detection kit comprises a lower barrel body and an upper barrel body; the top of the lower can body is connected with an upper can body, the lower can body is sleeved with a movable outer barrel, and the movable outer barrel is connected with the upper can body. The outer part of the movable outer cylinder is connected with two bolts; a can cover is connected into the top of the upper can body, and a movable ring is connected to the top of the can cover and connected with the upper can body. Three springs are installed on the top of the barrel cover, and an ultrasonic vibration rod is connected into the barrel cover in a penetrating mode. Ultrasonic waves emitted by the ultrasonic vibration rod are conducted in water, impact of water particles is accelerated, cleaning of residual bloodstains on the medical instrument is conducted, the bloodstains are dissolved in purified water, and a sample is conveniently extracted to conduct residual bloodstain detection operation. The problems that the dirt condition on the surface of an instrument is observed through human eyes in the prior art, only some large-particle stains can be detected, and trace blood residues are difficult to accurately recognize are solved.