42 results about "Blood drawing" patented technology

The utility model provides a test disc loading mechanism for a blood coagulation analyzer, which relates to the technical field of medical instruments and comprises a test tube rack conveying mechanism, a test tube conveying and separating mechanism, a test tube rack and a sample test tube, the test tube rack conveying mechanism is used for conveying a test tube rack, so that the test tube rack can reach a preset position; the test tube conveying and separating mechanism is used for separating the test tube rack from the sample test tube. During use, the test tube rack is placed at the blood drawing window, sample test tubes are directly inserted into the test tube rack in sequence after blood drawing, and during loading, the test tube rack with the sample test tubes only needs to be placed in the test tube rack conveying mechanism, so that the test tube rack is conveyed by the test tube rack conveying mechanism in sequence, and the sample test tubes are clamped by the test tube conveying and separating mechanism; the sample test tubes are separated from the test tube rack, enter the blood coagulation analyzer and are driven by the test disc to a detection position for detection, so that the effect of improving the disc loading convenience of the blood coagulation analyzer is achieved.

The utility model discloses a blood drawing tourniquet automatic tightening device which comprises a base, an inflation structure is installed on one side surface of the base in an embedded mode, a protection structure is installed on one side of the interior of the base in an embedded mode, and a hemostasis structure is fixedly installed in the middle of the upper surface of the base. The hemostasis structure comprises a mounting ring, an annular air bag, a valve and an exhaust pipe, the annular air bag is embedded in the mounting ring, the exhaust pipe is embedded in the surface of one side of the annular air bag, and the valve is embedded in one side of the surface of the exhaust pipe. The base comprises a protective cover, a pull groove, a door plate, a storage box, a partition plate, a sliding groove and a limiting groove, and the pull groove is formed in one side of the upper surface of the storage box. According to the automatic tourniquet tightening device for blood drawing, the air bag can be quickly tightened to stop bleeding in an inflation mode, the arm of a patient can be protected, and cross infection is prevented.

The utility model relates to the technical field of medical instruments, and discloses a blood collection tube fixator which comprises a base, a telescopic rod, an inner rotating disc, an outer rotating disc and a tube support. The length of the telescopic rod is telescopic, and the lower end of the telescopic rod is pivoted with the base; the outer turntable sleeves the outer side of the inner turntable and can rotate around the center of the inner turntable; the tube support is fixedly connected with the outer rotating disc and provided with a tube hole used for insertion of a blood collection tube. According to the special blood vessel blood drawing device, the difficulty of special blood vessel blood drawing is reduced, single-person operation of special blood vessel blood drawing is achieved, manpower resources are saved, and the time for blood drawing of a special blood drawing patient is shortened.

The application discloses application of a killer cell lectin-like receptor G1 (KLRG1) gene as a marker in preparation of a systemic lupus erythematosus (SLE) secondary hemophagocytic lymphohistiocytosis (HLH) detection preparation, and the preparation is used for detecting the expression level of the KLRG1 gene in a biological sample. Research finds that the expression level of the KLRG1 gene in SLE secondary HLH patients is significantly lower than that of healthy control groups and SLE patients, and has good diagnostic sensitivity and specificity. The application also discloses a preparation for detecting the expression level of the KLRG1 gene in a biological sample of a patient, the preparation contains a primer pair for detecting the mRNA level of the KLRG1 gene expression, or contains an antibody for detecting the protein level of the KLRG1 gene expression, and only needs to extract peripheral blood mononuclear cells (PBMC) after blood drawing to detect whether SLE patients are secondary to HLH, and the preparation is simple, rapid, and accurate in result.

The utility model discloses an auxiliary fixing mechanism for blood drawing, which relates to the technical field of medical instruments and comprises an equipment box, a fixed range adjusting component is arranged in the equipment box and comprises a driving motor arranged in the equipment box, and a transmission rod is arranged at the output end of the driving motor. The side, away from the driving motor, of the transmission rod is fixedly connected with a rotating disc, the side edge of the rotating disc is rotationally connected with a first coupling, the side, away from the rotating disc, of the first coupling is in transmission connection with a sliding block, a second arm fixing plate is arranged above the sliding block, and the driving motor operates to enable the second arm fixing plate to be converted into a moving state from a static state. By means of the design, automatic adjustment of the arm fixing position is achieved, the design fully considers the body type difference of children of different age groups, especially the different arm lengths, so that accurate adjustment of the arm fixing range is achieved, and the self-adaptive adjusting function greatly improves the fixing efficiency and the working efficiency; and the device can be suitable for people with different body types.

The application relates to the technical field of medical bloodletting devices, and discloses a safe and sealed venous bloodletting device which comprises an electric pump, a fixing seat connected with the air inlet of the electric pump through a hose, a constant-pressure cavity arranged in the fixing seat, the constant-pressure cavity being communicated with the air inlet of the electric pump, a needle tube detachably mounted on the fixing seat, an open end of the needle tube being communicated with the constant-pressure cavity, a three-way joint arranged at the liquid suction end of the needle tube, two one-way valves respectively mounted at the other two openings of the three-way joint, one of the one-way valves being connected with a blood storage bag through a hose, and the other one-way valve being connected with a needle through a hose. The electric pump intermittently sucks and fills air, continuous blood drawing and blood discharging are realized, the blood of a patient is delivered into the blood storage bag, the process is simple in operation, is not prone to professional exposure, a smaller needle is adopted, the patient has lower discomfort, the bloodletting speed can be adjusted, the application range is wide, the consumables are convenient to replace, the cost is low, and the clinical practicability is high.

The utility model discloses an animal medicine animal fixing device which comprises a bottom plate, a fixing fence is fixedly arranged on one side of the upper end of the bottom plate, a fixing mechanism used for fixing an animal is arranged in the fixing fence, and the fixing mechanism comprises a fixing plate, a fixing bandage, an electric push rod and a connecting rope. A fixing plate is fixedly arranged on one side of the surface of the fixing fence, a fixing rope is arranged at the lower end of the interior of the fixing fence, a plurality of electric push rods are arranged on the two sides of the surface of the fixing fence, connecting ropes are fixedly arranged at the four corners of the outer side surface of the fixing bandage, and the connecting ropes are fixedly connected with the movable ends of the electric push rods. The animal fixing fence is good in use effect, animals can be lured into the fixing fence and then bound and fixed, manual contact with the animals is not needed in the whole process, and therefore when blood drawing or other medical detection is carried out on the animals subsequently, the animals can be safely operated only by standing on the two sides of the fixing fence, and operation is convenient. Therefore, the use effect of the device can be improved.

This utility model discloses a micro-volume blood collection assembly, including a blood collection container and a capillary tube. The blood collection container includes a blood storage soft bottle and a rubber stopper. The blood storage soft bottle forms a storage cavity with an opening. The blood storage soft bottle has a switchable first state and a second state. The volume of the storage cavity in the first state is larger than the volume of the storage cavity in the second state. The rubber stopper seals the opening of the blood storage soft bottle and has a through hole that communicates with the storage cavity. The capillary tube is removably inserted into the through hole, wherein the capillary tube expands the inner diameter of the through hole when inserted. According to this utility model, the micro-volume blood collection assembly allows medical personnel to draw blood by squeezing the blood storage soft bottle and collect the drawn blood into the blood storage soft bottle. Blood drawing and collection can be completed in one operation. The structure is simple and easy to operate, effectively avoiding the risk of contamination of the collected blood by the rubber nozzle due to improper operation. The structure is reliable.

The utility model relates to the field of blood drawing plates, in particular to a combined blood drawing plate, which is characterized in that a storage component in the blood drawing plate can be deformed and put down, so that the occupied space is reduced, the storage is convenient, and the problems in the background technology are effectively solved. Comprising a tray which is of a rectangular structure with an upper opening, a non-drawn test tube rack capable of being put down backwards is arranged on the left side in front of the tray, and a drawn test tube rack capable of being put down backwards is arranged on the right side in front of the tray; an aneriodide storage rack, an alcohol storage rack and a cotton swab storage rack which can be put down backwards are arranged on the tray between the non-extracted test tube rack and the extracted test tube rack from left to right; strip-shaped grooves in the left-right direction are embedded in the tray on the rear sides of the non-extracted test tube rack and the extracted test tube rack at intervals in the left-right direction; a blood taking needle storage rack which can be put down rightwards is arranged on the left side of the tray on the rear side of the strip-shaped groove; and a dirt rack which can be put down leftwards is arranged on the right side of the tray on the rear side of the strip-shaped groove. The device is easy to operate, convenient to use and suitable for various places.

The invention relates to the technical field of medical instruments, in particular to an artery blood sampling auxiliary device and method, and the device comprises a strip-shaped shell, a lifting mechanism, a fixing mechanism and an annular pressure sensor. A groove with a rubber block is formed in the bottom of the shell and used for fixing and sealing the needle point. The body surface pressure distribution is symmetrically analyzed through the pressure sensor, and an artery puncture point is automatically positioned. The lifting mechanism drives a screw rod through a stepping motor to drive a sliding block and a fixing mechanism to move. The fixing mechanism adopts a first clamping plate, a second clamping plate and a blood drawing unit (a balancing weight or a servo motor-lead screw structure) to respectively clamp a piston shaft and an empty cylinder of the injector, so that automatic operation of puncturing, blood drawing and needle withdrawing is realized. A second pressure sensor is arranged in the device to monitor the pressure in the needle in real time, puncture safety is guaranteed, and the blood drawing amount can be accurately adjusted. Due to the integrated design, the puncture success rate and the blood sampling efficiency are remarkably improved, and the operation difficulty and the pain of a patient are reduced.

The utility model discloses an improved centrifugal separator DPMAS combined plasma exchange device. An improved centrifugal separator DPMAS combined plasma exchange device comprises a blood drawing pipe connected with the artery of the human body, the front end of the blood drawing pipe is connected with a plasma separator, and the output end of the bottom of the plasma separator is connected with a blood return pipe capable of being connected with the vein of the human body. The output end of the side face of the plasma separator is connected with an adsorption filtration pipeline through a plasma input pipe, the output end of the adsorption filtration pipeline is connected with a blood return pipe through a plasma output pipe, and a plasma input pump is arranged on the plasma input pipe. A liquid discharge pipeline is connected to the plasma input pipe between the plasma input pump and the adsorption filtration pipeline through a liquid discharge three-way pipe, and a replacement pipeline is connected to the plasma output pipe close to the blood return pipe through a replacement three-way pipe. According to the utility model, the DPMAS mode and the plasma exchange mode can be conveniently switched, the operation steps can be simplified, and the infection risk of a patient can be reduced.

1. The name of the design product: hand fixer (for blood drawing). 2. The use of the design product: hand fixer for blood drawing of children. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The utility model discloses a novel blood drawing frame in the technical field of medical equipment, which comprises a layered cabinet body, two sides of the layered cabinet body are rotatably connected with closed door plates, the surface of each closed door plate is fixedly connected with a pulling handle, the inside of the layered cabinet body is slidably connected with three layered sliding plates, and the layered sliding plates are arranged in the layered cabinet body. A drawing buckle groove is fixedly formed in the surface of the layered sliding plate, and a sample placing cylinder is fixedly connected to the upper end of the layered sliding plate. By means of the arrangement, a collected blood sample can be subjected to shading treatment, meanwhile, a low-temperature treatment storage mode is adopted, the collected blood sample can be well stored, and the situation that the detection effect is inaccurate due to deterioration is avoided.

The utility model discloses a blood collection device for animal husbandry veterinarians, which is characterized in that the upper part of a mounting seat is provided with an upper through hole for the tail of an animal husbandry to pass through, the outer surface of the mounting seat is rotatably connected with one end of a support bracket, the other end of the support bracket is provided with a detachable connecting structure, and the connecting structure is fixedly connected with the tail of the animal husbandry; a mounting through hole is formed in the middle of the supporting bracket and is rotationally connected with one end of the acupuncture needle bracket, the acupuncture needle bracket is fixedly connected with the acupuncture needle push rod shell, and the front end of the acupuncture needle push rod is detachably connected with the needle head; a needle cylinder connecting support is arranged on the surface of the supporting support, the needle cylinder is clamped into the needle cylinder connecting support, and the inlet end of the needle cylinder is connected with the outlet end of the needle through a blood drawing tube. A push-pull rod of the needle cylinder is connected with the needle cylinder push rod. Compared with the prior art, the technical scheme provided by the utility model has the advantages of simple structure, convenience in operation and the like, and can effectively improve the convenience and safety of animal blood sample collection.

The utility model discloses an auxiliary device convenient for blood drawing, which relates to the technical field of medical instruments and comprises a box body and a fitting groove arranged in the middle of the upper surface of the box body, the inner surface of the fitting groove is rotatably connected with a hand supporting plate, and the left side of the upper surface of the box body is provided with a functional groove. A storage groove is formed in the right side of the upper surface of the box body, a rotating seat is rotationally connected to the rear side of the inner surface of the functional groove, and a deformable rod is fixedly connected to the outer surface of the rotating seat. Compared with an existing common auxiliary device facilitating blood drawing, when the auxiliary device facilitating blood drawing is used for assisting blood drawing, the elbow of a person receiving blood drawing can be placed on the hand supporting plate and the attaching groove, the arm of the person receiving blood drawing can be conveniently placed at a proper position, the blood vessel developing lamp can irradiate the blood drawing part, and the blood drawing effect is improved. And the locking mechanism can achieve better fixing and storage effects, and the auxiliary blood drawing device is convenient to transfer, store and unfold for use.

The utility model discloses an anti-coagulation blood sample clot recognition filter which comprises a support, a glass test tube, a blood collection tube and a bidirectional opening sleeve. Collected blood is stored in the blood collection tube, and the blood in the blood collection tube is stored in the glass test tube after being filtered; openings of the glass test tube and the blood collection tube are opposite, and the blood collection tube is higher than the glass test tube; a filter membrane is arranged in the center of an inner cavity of the two-way opening sleeve, the outer edge of the filter membrane is hermetically connected with the inner wall of the two-way opening sleeve, and the inner diameter of the two-way opening sleeve is equal to the outer diameter of the glass test tube and the blood collection tube; two ends of the bidirectional opening sleeve are respectively connected with the glass test tube and the blood collection tube; tube orifices of the glass test tube and the blood collection tube are respectively propped against the filter membrane; and the glass test tube and the blood collection tube are placed on the bracket. According to the utility model, the repeated blood drawing of patients and the workload of clinical medical personnel can be reduced, and the working efficiency is improved.

The utility model provides a test tube shaking device for conventional blood drawing, and relates to the technical field of medical instruments. The test tube shaking device for blood routine blood drawing comprises a base, side plates which are symmetrically distributed are installed at the top of the base, a test tube placing device is movably arranged over the base, an installation shell is installed on the outer wall of one side of one side plate, a shaking mechanism is contained in the installation shell, and the shaking mechanism is arranged on the outer wall of the other side plate. A connecting mechanism is arranged at the intersection of the shaking mechanism and the test tube, and a driving mechanism is arranged at the driving end of the shaking mechanism; the driving mechanism comprises a supporting base installed on the outer wall of one side of the side plate, and a driving motor is installed at the top of the supporting base. The test tube shaking device for blood routine blood drawing has the advantages that blood drawn in the test tube can be uniformly and stably shaken, the blood in the test tube is prevented from being coagulated or precipitated, the labor force of medical staff is reduced, and the efficiency is improved.

The blood sampling test tube sleeve convenient to combine and use comprises a test tube sleeve body, a clamping ring is fixedly connected to the outer wall of the circumference of the test tube sleeve body, the test tube sleeve body and the clamping ring are combined to form a unit tube sleeve assembly, and the test tube sleeve body in the unit tube sleeve assembly can be clamped into the clamping ring of the adjacent unit tube sleeve assembly at will correspondingly. And a blood sampling test tube can be placed in the test tube sleeve body. The number of the unit pipe sleeve assemblies is multiple, the unit pipe sleeve assemblies have different colors, and the color of each unit pipe sleeve assembly is matched with the blood test tube of one color. According to the utility model, a medical worker takes a plurality of unit pipe sleeve assemblies with required colors according to a blood drawing sequence, then combines the unit pipe sleeve assemblies into a row to correspond to a blood drawing patient, and then places a plurality of blood test tubes with different colors in test tube sleeve bodies of the unit pipe sleeve assemblies with different colors in a one-to-one correspondence manner; the visual operation is combined with the unitized design, so that the possibility of mistaken extraction or missed extraction is greatly reduced.

1. The name of the appearance design product: splicing buckle type medical blood test tube rack. 2. The use of the appearance design product: the appearance design product is used for placing blood test tubes. 3. The design points of the appearance design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

1. The name of the design product: hand fixator (for blood drawing). 2. The use of the design product: the design product is used for fixing hands of patients when drawing blood. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The utility model relates to a guide wire conveying device which comprises a guide wire, a first sheath tube and a second sheath tube, a guide wire channel for the guide wire to penetrate through is formed in the first sheath tube, a blood drawing channel is formed in the tube wall of the first sheath tube, a blood drawing opening is formed in the far end of the first sheath tube, the blood drawing opening penetrates through the outer wall of the first sheath tube, and the blood drawing opening is communicated with the blood drawing channel. The near end of the blood drawing channel penetrates through the near end of the first sheath tube; a penetrating channel is formed in the second sheath tube, an inflation channel is formed in the tube wall of the second sheath tube, an air bag is connected to the outer side of the second sheath tube, and the inflation channel communicates with the air bag to supply air to the air bag; the first sheathing canal penetrates through the penetrating channel, and the blood drawing opening penetrates out of the far end of the second sheathing canal. When the guide wire penetrates through the vein valve, the vein valve can be controlled to be opened, so that the guide wire can pass through the vein valve in a lossless mode, it is guaranteed that the guide wire cannot damage the vein valve, and the effect of an interventional operation is improved.

The utility model discloses a rotatable blood drawing tube storage rack, and belongs to the field of medical instruments. A rotatable blood drawing tube storage rack comprises a storage rack body and a base assembly, the storage rack body comprises a supporting seat, a supporting column is installed in the center of the top of the supporting seat, a plurality of annularly-distributed support plates are installed on the outer side of the supporting column, each support plate comprises two parallel side plates, and a plurality of storage boxes distributed in a trapezoid shape are installed on the inner side of each support plate; the base assembly comprises a base, a vertical rod penetrating through the supporting column is installed in the center of the top of the base, a baffle is arranged at the top end of the vertical rod, a storage box is arranged between every two adjacent supporting plates, an extension plate is installed at the bottom of the base, and a plurality of suction cups are annularly distributed at the bottom of the extension plate. Through the arrangement of the storage rack body capable of rotating on the base assembly, the storage rack body can be rotated according to needs, a plurality of stable viewing angles are provided, and blood drawing tubes can be conveniently placed, rechecked and the like in multiple directions.

The invention belongs to the technical field of biological medicines, and discloses a peripheral blood mononuclear cell DNA methylation difference as a biomarker for differential diagnosis of micro-infiltration adenocarcinoma pulmonary nodules and application thereof. The invention provides a biomarker for identifying micro-invasive adenocarcinoma. The biomarker comprises specific methylation regions DMR-1, DMR-6, DMR-13, DMR-16, DMC-2, DMC-9, DMC-13, DMC-14 and DMC-16 of peripheral blood mononuclear cell DNA (Deoxyribose Nucleic Acid). The Combination model constructed according to the nine specific DNA methylation regions of the peripheral blood of the MIA patient obtained through screening has the capacity of distinguishing the MIA patient with high sensitivity and high specificity. When the biomarker is used for identifying whether a patient is the MIA pulmonary nodule or not, the blood drawing amount is reduced, the compliance of the patient is improved, and clear guidance can be provided for clinical treatment.

This invention discloses an inflatable pulse-pressure device for blood drawing, relating to the field of medical devices. It includes a support member with a mounting cavity at its bottom. Two adjusting blocks are slidably mounted on the support member. An adjusting member is fixed at both ends to opposite sides of the two adjusting blocks. An inflatable component is sleeved on the outside of the adjusting member, with both ends fixed to opposite sides of the two adjusting blocks. A first rack plate is fixed to the bottom of each of the two adjusting blocks. The two first rack plates mesh with a first gear rotatably mounted within the mounting cavity. The first gear is positioned between the two first rack plates and connected to a drive member. By adjusting the diameter of the inflatable component to fit the patient's arm, gas is injected into the inflatable component, causing it to expand and fill with blood, making the vein visible. This device is painless and suitable for people with different arm circumferences.

The invention discloses a hand-worn automatic near-infrared radial artery blood vessel puncture and blood gas monitoring device, which relates to the field of medical equipment, adopts a modular integrated design, and comprises a fixing and supporting system, a sensing and identifying system, an executing and puncturing system, a monitoring and analyzing system, a control and communication system, an energy system and a traditional puncture interface. Automatic identification and accurate positioning of subcutaneous blood vessels are achieved through near-infrared imaging, and automatic puncture operation is completed under coordination control of the main controller. After puncture, blood gas parameters can be monitored in real time or near real time, the device state and monitoring data are uploaded to a cloud end through a wireless communication module, and remote checking and management are achieved. Meanwhile, the device is provided with a traditional puncture connector to be compatible with manual blood drawing operation, and clinical suitability is improved. The radial artery puncture success rate and the monitoring efficiency are effectively improved, the complication risk is reduced, and the system is suitable for various clinical monitoring and blood sampling scenes.

The utility model discloses a portable blood sampling integrated disc, and aims to provide a portable blood sampling integrated disc which is reasonable in structural design, has increased functionality, is not easy to be lost, and is convenient for checking a test tube. The tool shelf comprises a tool shelf body, and the tool shelf body is provided with an iodophor groove, a dirt groove, a dry cotton swab groove, a blood taking needle and tourniquet groove, a PDA groove and a large-bundle blood test tube groove for blood drawing. The test tube checking placement rack is detachably connected with one side of the tool tray; the blood sampling test tube placing rack is detachably connected with the other side of the tool tray; a plurality of test tube placing holes are formed in the test tube checking placing rack and the blood sampling test tube placing rack; and the test tube checking placement rack and the blood sampling test tube placement rack are connected with the prompt plates. The portable blood sampling tray has the advantages that the functionality of the blood sampling tray is enhanced, and portability and integration are achieved; operation of clinical nurses is facilitated, and nursing workload is reduced; the use space is increased; the integrality of the blood sampling plate is improved; cleaning is convenient; and material cost is reduced.

The invention provides a children internal medicine blood extraction device which comprises a shell and a placing plate arranged on the shell, an upper sliding plate is movably arranged on an upper bearing plate, and a through hole structure used for placing the arm of a child is formed among the upper bearing plate, the upper sliding plate and a lower bearing plate; the upper bearing plate, the upper sliding plate and the lower bearing plate are each provided with an air bag structure used for flexibly fixing an arm. A sliding block, a telescopic cylinder, a piston and other buffering linkage structures are arranged in the connecting plate, and the rotating damping of the upper bearing plate is controlled through a valve. Meanwhile, an electric cylinder and a pressing plate structure are arranged and used for locking the sliding blocks so that the upper bearing plate can be stably fixed; a multi-direction buffer mechanism is arranged between the placing plate and the shell so as to adapt to slight movement of arms of the child; the device can be adjusted according to the sizes of arms of different children, flexible limiting and buffering fixing are achieved in the blood drawing process, struggling of the children is reduced, and the safety, stability and comfort of blood drawing operation are improved.

The present application relates to a kind of anti-pollution protective sleeve of arterial indwelling pipeline tee bend plug, belong to medical instrument technical field.The protective sleeve is the box type membrane structure with one side openable, including frame and the elastic membrane covered on frame;Frame includes a bottom frame, two side frames connected with the both ends of bottom frame and two top frames openable to both sides;Two side frames are provided with annular hollow structure for placing tee bend plug front and rear passage;Two top frames are provided with movable connection mechanism for opening or closing protective sleeve;Top frame middle part is provided with membrane for wrapping tee bend plug blood drawing end connector cap, hoop piece is arranged on membrane, hoop piece is used for clamping tee bend plug connector cap, hoop piece is provided with bonding structure for bonding corresponding membrane on the membrane around hoop piece. Through the present application, both tee bend plug pollution on arterial indwelling pipeline and operation process can be simplified, and work burden is reduced.

The utility model belongs to the technical field of blood vessel drawing stents, and particularly relates to a modularized blood vessel drawing stent which comprises a stent body, guide sliding blocks are arranged on the left side and the right side of a placing bent frame, the guide sliding blocks are in an L shape, guide sliding grooves are formed in the two sides of the inner wall of a placing bin, a pull ring is arranged in front of the placing bent frame, and the pull ring is arranged in front of the placing bent frame. Fixing inserting holes are formed in the two sides of the pull ring correspondingly, fixing bases are arranged on the two sides of the front portion of the containing bin correspondingly, and fixing screw rods are arranged in the fixing bases in a penetrating mode. According to the utility model, through rotating the fixed screw rods, under the action of the threads, the fixed screw rods on the two sides move back to back, the pull ring is loosened and the pull ring is pulled, so that a single placing bent frame can be pulled out, information on the side wall of a blood drawing tube can be checked conveniently, and as the guide sliding block is L-shaped, when the blood drawing tube is pulled out, the rear protruding part can clamp the guide sliding groove, and the placing bent frame is prevented from slipping off.

The invention relates to the technical field of blood sampling, and discloses animal husbandry-based veterinary quarantine blood drawing equipment which comprises an injection needle tube, a hose arranged on the injection needle tube, a sample feeding needle tube arranged at one end, far away from the injection needle tube, of the hose, a sealing cover arranged at the end part of the sample feeding needle tube, and a sample collecting tube arranged on the sealing cover, a sampling cylinder communicated with the interior of the sample feeding needle tube is fixedly mounted in the sample collecting tube, a fixing ring is fixedly mounted on the inner wall of the sample collecting tube, and the inner wall of the fixing ring is fixedly connected with the outer wall of the sampling cylinder; the bottom end of the sampling cylinder is provided with an initial blood storage part with variable volume; the initial blood storage part comprises a conical barrel arranged at the bottom end of the sampling barrel, a sample storage piece arranged at the bottom end of the conical barrel in a sleeving manner, a movable plate fixedly mounted at the bottom end of the sample storage piece and a floating ball arranged in the sample storage piece. The device can automatically adjust the volume of the initial blood storage part according to the blood pressure change of livestock.