177 results about "Blood drawing" patented technology

The invention relates to the technical field of blood extraction, and discloses blood extraction equipment for preliminary auxiliary examination of liver cancer, which comprises a base, an arc-shaped cushion fixedly arranged at the top of the base, a cavity formed in the bottom of the base, two fixing belts movably arranged at the top of the base and symmetrically distributed, and a fixing unit arranged on the base, the fixing unit comprises a winding component and a buffering component which are arranged on the base. According to the blood extraction equipment for the preliminary auxiliary examination of the liver cancer, by rotating a rocker, driving a rotating disc and a winding shaft to rotate, driving two winding rollers to rotate, winding a fixing belt on the winding rollers, tightening the fixing belt and tightening the arm of a patient, the situation that the patient swings and shakes during blood extraction, and the blood extraction difficulty of medical staff is increased is avoided; meanwhile, multiple times of blood drawing may increase pain and discomfort of a patient and increase safety risks faced by medical staff, for example, the patient is accidentally injured by a needle, and threats are caused to the body health of the medical staff.

The invention discloses a blood detection device and a detection method thereof, and belongs to the technical field of medical instruments. A blood detection device comprises a workbench and further comprises a detection disc with a cavity, the detection disc is fixedly connected to the workbench, a shaking mixing mechanism is arranged in the cavity of the detection disc, and a containing hole is formed in the top of the detection disc; the device can continuously and softly shake an anticoagulant and blood in the blood collection tube, so that the phenomenon of blood coagulation caused by non-uniform mixing is avoided, medical staff can quickly and uniformly mix and softly shake the blood collection tube after blood collection, the phenomenon that the anticoagulant is not fully mixed is prevented, the local concentration uniformity is ensured, and the blood collection tube is prevented from being damaged. The blood collection tube can be shaken within several minutes after blood drawing, it is ensured that an anticoagulant can play a role in time, in this way, the follow-up waiting time of a patient can be shortened, and the workload of medical staff can be reduced.

The invention belongs to the technical field of medical instruments, and discloses an intracranial hematoma removal blood drawing tube for cerebral hemorrhage treatment, which comprises a three-way needle body, a screw cap is spirally and rotatably arranged at the upper part of the three-way needle body, a crushing needle is fixedly arranged in the screw cap, and a first drainage tube is detachably arranged at the upper part of the screw cap; a first limiting clamping plate is attached to the outer side of the three-way needle body, a limiting plate is fixedly arranged on the outer side of the first limiting clamping plate, a threaded rod is rotationally arranged at the other end of the limiting plate, and a second limiting clamping plate is rotationally arranged at the other end of the threaded rod; a hexagonal knob is fixedly arranged at the other end of the threaded rod and rotates on the outer side of the limiting plate, and by means of the scheme, the problems that hematoma cannot be conveniently and rapidly removed in the using process, a large amount of time and energy of medical workers are wasted, and the operation risk is improved are solved.

The invention discloses a blood sampling blood vessel pressurizing device for a hospital health management center, relates to the technical field of blood sampling auxiliary instruments, and provides the following scheme that the blood sampling blood vessel pressurizing device comprises a blood sampling constraint compression belt assembly, and the left side end face of the blood sampling constraint compression belt assembly is fixedly connected with a blood sampling area skin disinfection assembly; a binding and pressing belt tightening assembly is arranged on the right side end face of the blood sampling binding and pressing belt assembly. According to the technical scheme, by means of mutual cooperation of a servo motor and a speed reducer in the compression belt tightening assembly, a winding rotating roller is driven to rotate so as to pull a traction cloth strip to move, and then a canvas binding strap located on an arm is forced to pass through a shuttle through hole in an arch-bridge-shaped lining plate; the diameter of the canvas binding band is reduced to bind the arms, the automatic binding function is achieved, and the disinfection assembly on the front side of the canvas binding band can spray a disinfectant to the skin of a needling area while binding the arms.

The invention relates to the technical field of blood collection, in particular to a blood collection device for medical examination, which comprises a blood collection tube preprocessing module, a tourniquet binding module arranged above a placement platform and used for carrying out tourniquet on a patient and a vein recognition and positioning module used for recognizing and positioning veins of the patient, a circulating rotation disinfection module used for being in contact with the arm of the patient is further arranged in the placement platform; the tourniquet is tightened through the tourniquet retracting and releasing device, the pressure sensor can detect the compression force on the arm of a patient, automatic adjustment is achieved, manual binding is not needed, too loose and too tight conditions are not prone to occurring, the binding quality is ensured, the vein recognition and positioning module can recognize the vein position below the arm epidermis, infrared positioning is adopted, and the positioning accuracy is improved. The blood collection tube pretreatment module can automatically shake a vacuum collection tube after blood drawing is completed, it is ensured that an anticoagulant is mixed with a blood sample, and the blood sample quality is ensured.

The invention discloses a screening method of sicca syndrome markers based on conjunctival blotting, and relates to the technical field of biomedicine, and the screening method comprises the following steps: S1, conjunctival noninvasive sampling; s2, RNA (Ribonucleic Acid) sequencing and pathway screening; s3, machine learning modeling is carried out; s4, clinical verification. According to the invention, biomarker screening is realized, and similar biomarker screening can also be realized through tear sample analysis or other ophthalmic samples; however, the alternative schemes have the defects of relatively strong invasiveness, complex operation and the like; sampling is carried out through the conjunctival imprinting technology, invasive operation such as biopsy and blood drawing is avoided, and pain and discomfort are reduced; differential expression genes can be accurately identified, and the sensitivity and the accuracy are relatively high; through immune cell infiltration analysis, the relationship between the immune cell subpopulation and the sicca syndrome related gene is disclosed, a new perspective is provided for a disease mechanism, and a theoretical basis is provided for a future immune regulation strategy.

The present invention belongs to the technical field of skin pretreatment, and specifically refers to a skin pretreatment device for hematopoietic stem cell transplantation nursing, including a bearing base, an annular rail plate, a rubber ring sleeve, a regional cleaning mechanism, an insertion plate protection mechanism, a pressure regulating sealing mechanism, and a multi-tube blood drawing mechanism. The annular rail plate is arranged on the upper wall of the bearing base, the rubber ring sleeve is arranged on the inner wall of the annular rail plate, the regional cleaning mechanism is arranged on the annular rail plate, the insertion plate protection mechanism is arranged at one end of the regional cleaning mechanism away from the annular rail plate, and the pressure regulating sealing mechanism is arranged on the side wall of the insertion plate protection mechanism. The present invention provides a skin pretreatment device for hematopoietic stem cell transplantation nursing that can support and protect the puncture site of a patient, and can provide negative pressure protection to the puncture site of the patient, reducing the number of times the puncture site comes into contact with the outside air and lowering the probability of infection at the puncture site.

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 belongs to the field of test tube storage, and provides a movable simple blood drawing test tube storage device which comprises a supporting seat, the supporting seat is of an L-shaped structure, a plurality of auxiliary storage cavities are formed in the side face of the supporting seat, a limiting plate is installed at the top of the supporting seat, and the limiting plate is connected with the supporting seat. An auxiliary supporting column is installed between the corner of the other side of the bottom of the limiting plate and the supporting base. A concave groove is formed in the top of the limiting plate, symmetrical movable sliding grooves are formed in the two ends of the inner side wall of the concave groove, movable strips are slidably installed in the movable sliding grooves, a plurality of test tube inserting holes are formed in the limiting plate at the bottom of the concave groove at equal intervals, and writing white boards are installed at the two ends of the limiting plate; according to the utility model, the test tubes can be distinguished through the moving strips, so that the situation that a plurality of patients are confused during simultaneous collection can be prevented while missing collection is prevented, and the collected samples can be conveniently summarized and counted by medical personnel, and are prevented from being lost.

The utility model discloses a sterile pressure patch, belongs to the technical field of medical instruments, particularly relates to a sterile pressure patch used for pressing a needle eye after blood drawing, and aims to solve the technical problems that blood circulation is affected due to the fact that an elastic band of an existing pressure patch tightens the skin, and a pressing area is large due to the fact that the whole patch body is tightened. The patch comprises a patch body, a medicine layer arranged at the bottom of the patch body and adhesive layers arranged at the bottom of the patch body and located on the two sides of the medicine layer. An air bag is arranged in the middle area in the patch body, air storage bags are arranged on the two sides of the air bag in the patch body, and the air storage bags are communicated with the air bag through air channels. In the process of pasting the sterile pressure patch, gas in the gas storage bag is extruded into the gas bag, and most of the gas enters the gas bag after the sterile pressure patch is pasted, so that the gas bag can extrude a needle eye and a small-range area around the needle eye; the pressing area of the air bag is small, the skin cannot be tightened, blood circulation cannot be affected, and the sterile pressure patch is more convenient to use.

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 invention relates to the technical field of hospital number calling management, in particular to a clinical laboratory blood drawing sequence number and inspection information intelligent processing system. The method comprises the following steps: firstly, acquiring an initial number calling priority from a waiting retention degree angle and a clinical emergency angle of a pregnant woman in an initial analysis module; further, historical reference pregnant women with pre-pregnancy physiological data similar to that of the current pregnant woman are screened out in the priority correction module; further acquiring an inspection emergency coefficient according to the body weight difference of different pregnancy time; further fusing the initial number calling priority and the inspection emergency coefficient to obtain the corrected number calling priority of the current pregnant woman; and finally, calling the number on the basis of the corrected number calling priority in the checking number calling module. According to the method, the waiting retention degree of the pregnant woman and the inspection emergency degree of the pregnant woman are fully considered, the corrected number calling priority is obtained, the inspection number calling priority of each pregnant woman is quantified, the waiting risk of emergency patients is reduced, and the queuing experience of non-emergency patients is guaranteed.

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 relates to the field of medical auxiliary devices, and discloses a blood drawing device. The blood drawing device comprises a bottom plate, a lifting assembly, a stand, a driving piece and a plurality of feeding assemblies. The stand is vertically arranged on the bottom plate. The lifting assembly comprises a lifting disc, a sleeve and a rotating block. The sleeve is sleeved on the stand and can slide along the axial direction of the stand. The driving piece drives the sleeve to rotate. The rotating block is fixedly connected with the sleeve and is in threaded connection with the stand. The lifting disc is fixed with the sleeve. A plurality of fixing sleeves are circumferentially arranged on the lifting disc. The plurality of feeding assemblies are circumferentially arranged on the outer periphery of the lifting disc, and the feeding assemblies are in one-to-one correspondence with the fixing sleeves. The feeding assembly comprises a storage box and a feeding push rod. The storage box is provided with a discharge port opposite to the fixing sleeve. The feeding push rod is aligned with the discharge port and can penetrate through the discharge port. The blood drawing device solves the problem that the discharge of the vacuum blood collection tube is slow when a large number of vacuum blood collection tubes are needed.

The utility model discloses an adjustable tourniquet, and relates to the technical field of medical equipment, the adjustable tourniquet comprises a tourniquet main body and also comprises a locking shell arranged on the tourniquet main body, and one side of the locking shell is provided with an installation assembly used for installing one end of the tourniquet main body; the clamping plate is used for fixing the other end of the tourniquet body, and the clamping plate is arranged on the other side of the locking shell in a telescopic mode, fixed through a fixing assembly and used for adjusting the tightness degree of the tourniquet body. According to the tourniquet, the locking shell and the clamping plate are arranged, the locking device is arranged to tighten and lock the two ends of the tourniquet, the tourniquet is fixed firmly and not prone to being broken open, and the stability in use is improved, so that the problem that when a rubber tube is bound to the arm of a blood drawing patient, the arm of some patients is thick or smooth, and the blood drawing patient cannot be subjected to blood drawing is solved. The tourniquet is easy to spread out, and the blood sampling efficiency is delayed due to repeated binding.

The utility model relates to the technical field of detection tools, and discloses a cattle early pregnancy protein detection card which comprises a detection bag and further comprises a detection pen, a test tube, a dropper and a needle bag, the detection pen, the test tube, the dropper and the needle bag are placed in the detection bag, two semicircular notches are formed in the side face of the detection bag, the detection pen comprises a pen shell and test paper, and the test paper is arranged in the pen shell. Two holes are formed in the side face of the pen shell, a hole is formed in the top end of the pen shell, a plurality of pieces of test paper are placed in the pen shell, the side faces of the test tubes are fixedly connected with the inner wall of the sealing gasket, the dropper is made of a soft plastic material, the needle bag comprises a packaging bag and a blood taking needle, the blood taking needle is placed in the packaging bag, and the sealing gasket is made of a plastic material. One end of the blood taking needle is movably connected with the needle sleeve in a sleeved mode, by arranging the detection pen loaded with a plurality of test cards, the economic burden of a small farm or a farmer is reduced, by arranging the vacuum blood taking tube, quantitative and automatic blood taking can be achieved, the difficulty of manual blood drawing is reduced, and operation is easy.

The invention belongs to the technical field of blood sample collection, and discloses a blood sample collection device for a clinical laboratory, the blood sample collection device comprises a bottom plate, the front part of the upper surface of the bottom plate is provided with a pulse pressing mechanism, and the middle part of the upper surface of the bottom plate is provided with a negative pressure blood drawing pump; the pulse pressing mechanism comprises a vertical plate vertically fixed to the upper surface of the bottom plate, a mounting cavity is formed in the upper portion of the vertical plate, and a T-shaped block is vertically and slidably mounted at the bottom of an inner cavity of the mounting cavity. Through the design of the tourniquet mechanism, the labor intensity of medical staff can be reduced, the working efficiency of the medical staff can be improved, a rubber bandage can completely wrap and bind arms, the tourniquet can be suitable for arms of different patients with different thicknesses and sizes, the tourniquet effect is good, the rubber bandage is not prone to dislocation during binding, the skin is not prone to being squeezed, and the tourniquet is suitable for medical workers. The safety is good, the practicability is high, and the problems that the labor intensity of medical staff is large, the thicknesses of arms of patients are different, the tightening effect is poor, the safety is low, and the practicability is poor are solved.

The invention discloses a children internal medicine blood extraction device, and relates to the technical field of medical machinery supplies. The children internal medicine blood extraction device comprises an upper limb rear arm supporting seat and an upper limb front arm supporting seat, the upper limb rear arm supporting seat is used for supporting the upper limb rear arm part of a child, and the upper limb front arm supporting seat is connected with the upper limb rear arm supporting seat and used for supporting the front arm part of the child. A sight shielding device and a forearm limiting structure are arranged on the outer wall of the top of the upper limb forearm supporting seat; the sight shielding device comprises a liftable lifting baffle and a video player arranged above the lifting baffle, and further comprises an attention diverting structure. The visual line of a child is shielded through the lifting baffle capable of ascending and descending, and attention of the child to the blood drawing process is reduced visually; when the lifting baffle moves, the windmill is driven to rotate, and dynamic visual elements can effectively attract curiosity of children; the fear and the uncomfortable emotion of the child in the blood sampling process are relieved, and good conditions are created for blood sampling work.

The utility model relates to an integrated multifunctional blood collection tube storage box which comprises a first storage box body, a second storage box body and a third storage box body, and the first storage box body is used for storing blood collection tubes; the second storage box body is installed on the lower portion of one side of the first storage box body, the third storage box body is installed on the second storage box body, and the second storage box body and the third storage box body are respectively used for storing blood sampling articles. The blood collection tube rack has the beneficial effects that the structure is simple, the design layout is reasonable, a plurality of functions are integrated, the blood collection tubes can be tidily placed, so that medical staff can quickly check the blood collection tubes, misplacement of the blood collection tubes of different patients is avoided, the number of the tubes is conveniently counted in real time in the blood collection process, secondary blood drawing caused by shortage of the blood collection tubes and leakage of blood drawing is avoided, and the blood collection tube rack is convenient to use. And the working efficiency of clinical nurses is greatly improved.

The utility model provides a CRRT (continuous renal replacement therapy) non-planned shutdown circulation management kit and a continuous renal replacement therapy system, and relates to the field of medical equipment. The CRRT non-planned shutdown circulating tube kit comprises a hemodialysis puncture tube, a three-way valve, a tube sealing assembly and a filtering assembly. The hemodialysis puncture tube is provided with a first blood guide end and a first blood return end, and a first valve port of the three-way valve is communicated with the first blood guide end; the pipe sealing assembly comprises a liquid storage part and a pipe sealing body which communicate with each other. The pipe sealing body communicates with a second valve port of the three-way valve. The filtering assembly comprises a hemodialysis main pipe, and a blood pump and a filter which are mounted on the hemodialysis main pipe; the hemodialysis main pipe is provided with a second blood leading end and a second blood returning end; the second blood leading end is communicated with the tube sealing main body, and the second blood return end is selectively communicated with the first blood return end or a third valve port of the three-way valve. The working state of the kit can be adjusted as required, and the kit is flexible to use, low in use cost, low in operation difficulty and high in treatment efficiency.

The invention relates to the technical field of epidemic prevention sampling equipment, in particular to a livestock breeding epidemic prevention blood sample extraction device which comprises a fence, a moving unit, a supporting plate and an emitter structure, the fence is used for delineating animals to prevent the animals from moving randomly, and the moving unit is installed on the fence and used for providing power for movement of the supporting plate; the emitter structure is installed on the supporting plate, and a balance weight column is arranged at the output end of the emitter structure. The animal is fixed through the fence, the stress reaction of the animal caused by tension and fear in the blood drawing process can be effectively reduced, the direct contact between a person and the animal can be reduced in an automatic blood drawing and sampling mode, and the risk that workers are attacked is reduced.

The invention discloses a blood supply blocking early warning method and system based on a tourniquet, and the method comprises the steps: preliminarily adjusting the tightness of the tourniquet according to the thickness of a target part in the process of sleeving the target part of the body of a user with the intelligent tourniquet, so as to achieve the blood supply blocking in the blood drawing process; verifying the pressure applied to the target part by the tourniquet after the preliminary adjustment, adjusting the tightness of the tourniquet for the second time according to the pressure, and obtaining the pressure after the second adjustment; and monitoring the pressure maintaining time after secondary adjustment, and performing blood supply blocking early warning according to the pressure maintaining time. By utilizing the embodiment of the invention, the pressure applied to the target part can be monitored in real time in the operation process, the duration of blood supply blocking can be monitored, early warning can be given out in time, the risk in medical operation is reduced, and the safety and comfort of a patient are protected.

The utility model discloses a lifting fixing device capable of adjusting temperature, which comprises a lifting support and an operation table arranged above the lifting support, the operation table comprises a detection table and a heating assembly, the four corners of the detection table are respectively and fixedly connected with the lifting support, and the heating assembly is arranged on the upper end face of the detection table. The two opposite sides of the detection table are respectively provided with a controller used for adjusting the temperature of the heating assembly, the detection table is further provided with a supporting cushion device with the adjustable position and height, medical workers or patients can conveniently adjust the heating assembly to be at the proper temperature all the time, and the height and position of the supporting cushion device can be adjusted according to the actual situation; therefore, when blood drawing, injection, PICC dressing replacement and other operations are carried out, the comfort of the patient is improved, the action response is reduced, the success rate of medical operation is further improved, information is checked by a doctor and the patient through double screens, errors are reduced, and the medical efficiency is improved. The utility model belongs to the technical field of medical equipment.

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.

An upper arm blood vessel blocking device facilitating blood sampling comprises a base and a disinfectant supply bin, an inclined supporting plate is arranged on the base, and at least one blood vessel blocking blood sampling mechanism is installed on the inclined supporting plate; the blood vessel blocking blood sampling mechanism comprises a blood vessel blocking cylinder, the blood vessel blocking cylinder is installed on an inclined supporting plate, the cylinder wall of the blood vessel blocking cylinder is provided with an installation cavity, two annular rails are installed on the inner wall of the blood vessel blocking cylinder and are arranged side by side, two sliding frames are arranged on each annular rail, and the two sliding frames can slide along the annular rails; in conclusion, the upper limb blood vessel can be bundled and blocked by controlling the position of the elastic band through the switch, the operation is simple, the efficiency is high, the disinfection is convenient, and the cross infection is avoided; in order to further avoid cross infection, disposable non-woven fabrics can be padded below arms of each patient during blood drawing, each patient can replace the disposable non-woven fabrics once, and the disposable non-woven fabrics are practical and convenient.

The invention relates to the technical field of blood extraction, and discloses a medical examination blood extraction device which comprises a sampling machine body and a working groove, a blood drawing needle cylinder is connected to the inner wall of a limiting cylinder in a penetrating mode, a first electric push rod is fixedly arranged on one side of the inner wall of a first limiting sliding groove, and a limiting block is fixedly arranged on one side of the bottom of a supporting base plate. According to the device, a big arm area is arranged on the inner side of the limiting frame, the device automatically starts the electric air bag to extrude the big arm of a patient, so that the blood vessel of the patient is in a hyperemia state, the fluorescent powder area is recognized and detected through the fluorescence detector, and the detection accuracy is improved. And then a second electric push rod is started to push a limiting cylinder to slide down in a supporting cylinder, so that a blood drawing needle cylinder is driven to slide down, a first needle tube is inserted into a fluorescent area and enters a blood vessel to draw out blood, the patient can complete blood drawing operation on the sampling machine main body in a self-service manner, and the error risk caused by fatigue work of medical staff is reduced.

The utility model provides an arm supporting device for blood drawing, which relates to the technical field of blood drawing auxiliary tools, and comprises a positioning seat, an angle adjusting component is arranged in the positioning seat, an adjusting component is rotatably connected in the angle adjusting component, the angle adjusting component comprises a supporting shaft, and a reset spring is arranged on the outer side of the supporting shaft. The outer side of the supporting shaft is in sliding connection with a driving positioning tooth, the outer side of the supporting shaft is fixedly connected with a driven positioning tooth, through the design, a user only needs to conduct simple pressing and rotating operation through the handle, the angle of the hand supporting plate can be adjusted, the operation process is simple and convenient, and in the blood drawing operation process of the user, the operation efficiency is improved. A supporting angle capable of being freely adjusted according to personal comfort is provided, and therefore it is guaranteed that the arm of a user can be kept in the most appropriate and stable state in the whole blood drawing process. And the possibility of blood vessel damage or pain aggravation caused by improper postures is effectively reduced.

The utility model relates to the technical field of nursing in the health care department, in particular to an arm fixing device for the prevention and health care department in a school, which comprises an arm fixing device main body, a first servo motor and a second servo motor, the output end of the first servo motor is fixedly connected with a threaded rod, the surface of the threaded rod is sleeved with a second moving block, internal threads are formed in the second moving block, and the side face of the second moving block is fixedly connected with a first moving block. By arranging the second servo motor, when the arms need to be fixed, a student sits on the seat, the bracket is moved to the positions on the left and right sides of the shoulders according to the height of the student, the arms penetrate through the binding belts to be placed on the surface of the bracket, the rolling wheels are rotated to contract the binding belts to fix the arms of the student, and the student is prevented from moving randomly; therefore, injection and blood drawing can be carried out conveniently and better.

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 utility model belongs to the technical field of blood drawing tables, and particularly relates to a multifunctional outpatient blood drawing table which comprises a blood drawing table body, a table plate and a seat, a screw, a motor and a first electric lifting column are arranged in the blood drawing table body, and the output end of the motor is connected with the screw through a coupler. The seat is composed of a base, a moving seat, moving wheels, a supporting seat, a second electric lifting column, a seat plate and a cushion, the moving seat is located at the outer end of the screw, threads of the inner wall of the moving seat are matched with threads of the outer wall of the screw, the output end of the first electric lifting column is connected with the table plate, and an arm support, an operation panel, a camera, a cover plate and a vein imaging instrument are arranged on the table plate. According to the utility model, not only is the height adjusting function realized, but also the blood drawing device can be suitable for patients with different heights, and meanwhile, as the fixing belt can fix the position of the arm of the patient, the phenomenon that the arm of the patient moves in the blood drawing process and the smooth blood drawing work is influenced can be effectively prevented.