458 results about "Hemodialysis" patented technology

The invention relates to the technical field of medical care informatics and precision medical treatment, and discloses a hemodialysis patient precision medication system based on multiple omics and big data, and the system comprises a multi-source data collection module which collects the multi-source heterogeneous data of a patient and carries out the standardization and integration processing; the drug metabolism analysis module is used for analyzing drug metabolism paths and individual differences through multi-omics data, constructing a drug metabolism polymorphic model and outputting gene metabolism capability grades and biomarker risk tags; the initial medication decision-making module is used for constructing an initial medication decision-making model based on a federal optimization framework of a momentum enhancement and robust aggregation mechanism, and outputting a personalized initial medication scheme for erythropoietin and a vein iron agent; and the drug dosage adjustment module is used for dynamically optimizing the time node and dosage adjustment opportunity of drug administration through an asynchronous federal reinforcement learning framework in combination with a prospective parameter correction strategy. According to the invention, the intelligent medication system with strong robustness and fine decision is constructed.

The invention relates to the technical field of hemodialysis teaching systems, and discloses a hemodialysis teaching system based on AI intelligent pushing. The system comprises an operation feature extraction module, an instrument positioning analysis module, an operation step analysis module and a teaching strategy generation module. Operating a feature extraction module to obtain a hemodialysis teaching video stream, and extracting multi-modal features containing an instrument movement track sequence and physiological parameter simulation data; an instrument positioning analysis module calls a pre-training network for positioning and generates a coordinate data set containing instrument types and three-dimensional position coding mapping; the operation step analysis module analyzes the time sequence characteristics by means of an action segmentation model, and generates a result containing step integrity and an error operation mark; and the teaching strategy generation module inputs a result into the intelligent push model, plans a personalized teaching path, outputs a knowledge point sequence containing a student ability model and dynamic teaching elements of operation difficulty parameters, and assists the hemodialysis teaching to be precise and personalized.

The invention provides a hemodialysis hypotension prediction system based on machine learning, which relates to the technical field of medical health, and comprises a real-time data stream processing module, a dynamic modeling and prediction module, a real-time data stream processing module, a real-time data stream processing module, a real-time data stream processing module, a real-time data stream processing module and a real-time data stream processing module, the risk prediction module is used for dynamically modeling and predicting the hypotension risk of a patient according to physiological parameter data input in real time, and the personalized adaptation module is used for automatically adjusting a risk prediction model. According to the hemodialysis hypotension prediction system based on machine learning, by introducing the real-time data flow processing module, physiological parameter data in the hemodialysis process can be collected and processed in real time. By adopting the dynamic modeling and predicting module, the hypotension risk can be dynamically modeled and predicted based on the physiological parameter data input in real time, and the prediction model is automatically adjusted through the personalized adaptation module, so that the risk prediction result of each patient is more accurate.

The invention discloses an in-vitro pipeline and filter blood coagulation monitoring method and system, and belongs to the technical field of intelligent medical instruments, and the in-vitro pipeline and filter blood coagulation monitoring method comprises the following steps: S1, obtaining operation data and operation parameters of a corresponding hemodialysis machine and biochemical indexes of a patient corresponding to the hemodialysis machine based on a pipeline and a filter; optimizing the long-short-term memory network based on a doliolaria group optimization algorithm to obtain a monitoring model; s2, preprocessing the operation data, the operation parameters and the biochemical indexes to obtain a training set, a verification set and a real-time data set; s3, training the monitoring model based on the training set and the verification set to obtain a real-time monitoring model; s4, inputting the real-time data set into a real-time monitoring model to obtain blood coagulation grades of the pipeline and the filter; s5, the corresponding in-vitro pipeline and filter blood coagulation monitoring system executes an early warning action based on the early warning rule and the blood coagulation level; the blood coagulation level of the pipeline and the filter is monitored through the interrelation of the operation data and the operation parameters of the hemodialysis machine and the biochemical indexes of the patient, and the recognition accuracy of the blood coagulation event is remarkably improved.

The invention provides a hemodialysis room whole-process information management system based on active learning, and relates to the technical field of data processing, and the system comprises a feature construction module which is used for carrying out the structural processing of original dialysis information data, and extracting a plurality of feature factors related to the current physical state of a patient; the risk identification module is used for constructing a training sample group, performing supervised training by introducing a label, and generating a risk judgment model; the early warning generation module is used for generating a risk probability result and generating early warning information associated with the current patient identifier when the risk probability result reaches a preset risk threshold value; the scheduling module is used for dynamically adjusting the treatment scheduling sequence of the current patient according to the early warning information and recording the actual intervention effect after the treatment scheduling sequence is adjusted; the feedback learning module is used for endowing each feature factor with a weight value according to an actual intervention feedback result and feeding back the weight value to the risk identification module; according to the invention, autonomy and accuracy of information management are improved.

The invention relates to a hemodialysis consumable stock management and allocation method and device, equipment and a medium. Firstly, historical treatment data and consumable use records of a patient are obtained and processed to obtain a consumable consumption predicted value. And then, combining the predicted value with the current inventory data to generate a predicted inventory, performing judgment, and once the predicted inventory is lower than a preset threshold value, generating a consumable supplement plan. And integrating cross-regional inventory data and transportation constraint conditions based on the supplementary plan to form a preliminary scheduling scheme. And matching the preliminary scheduling scheme with the patient treatment data to obtain a resource configuration adjustment suggestion. And finally, inputting the data in the adjustment suggestion into the inventory prediction model to obtain a dynamic replenishment strategy table of the next period. The table is used for judging whether a certain type of consumables have shortage risks or not, and if yes, a hierarchical management execution scheme is generated. Accurate prediction of consumable consumption of each hemodialysis center is realized, a dynamic adjustment mechanism can be triggered in time, and the risk of treatment delay caused by consumable shortage is reduced.

The invention provides an intelligent compression device and method for maintaining the internal fistula function of a hemodialysis patient, and belongs to the technical field of intelligent compression. The device comprises a CMUT ultrasonic array, an errhysis sensor, a bioelectricity monitoring module, an infrared temperature sensing array, an AI intelligent decision module, a dynamic pressure adjusting system, an energy field intervention module and a microneedle drug delivery module. Through space-time alignment collection of multi-modal data, dynamic parameter optimization of an AI model and rapid cooperative response of an actuator, the internal fistula compression is spanned from experience dependence to accurate intelligence, and the hemostasis efficiency and the blood vessel protection effect are remarkably improved.

The hemodialysis device for the nephrology department relates to the technical field of medical instruments and comprises a body mechanism, the body mechanism comprises a dialyzer body, a dialyzer is fixedly installed on the left side face of the dialyzer body, and the outer surface of the dialyzer is fixedly communicated with a blood inlet pipe, a blood outlet pipe, a liquid inlet pipe and a liquid outlet pipe. A treatment mechanism is arranged on the left side of the dialyzer main body; the processing mechanism comprises an expansion unit, and the expansion unit is located on the left side of the dialyzer body and used for expanding the inner diameter of the blocked pipeline position; the treatment mechanism further comprises a dredging unit, the dredging unit is located on the left side of the dialyzer body, the expansion unit is used in cooperation with the dredging unit, and the dredging unit is used for dredging thrombus and other substances blocking a pipeline. Therefore, thrombus and other substances blocking the blood inlet tube can smoothly pass through, and blood dialysis of a patient is prevented from being affected by blocking of the blood inlet tube.

The invention relates to the field of medical informatics, and provides a hemodialysis multi-mode risk closed-loop control system. Comprising a multi-source data acquisition module used for acquiring heterogeneous data in a dialysis process in real time; the space-time fusion engine module is used for carrying out space-time alignment and feature extraction of cross-modal data on the heterogeneous data by adopting a graph neural network architecture to generate a fusion feature vector; the dynamic risk prediction module is used for constructing a multi-dimensional risk assessment system based on the fusion feature vector, carrying out probability prediction on multiple risk types and outputting a prediction result; and the intelligent intervention control module evaluates the risk level according to the prediction result output by the dynamic risk prediction module, and generates an intervention strategy through a reinforcement learning algorithm. According to the invention, the timeliness and accuracy of intervention response are improved, and the incidence rate of dialysis complications is reduced.

The invention discloses a medicine adding device used in cooperation with a hemodialysis machine and a using method of the medicine adding device. The medicine adding device used in cooperation with the hemodialysis machine comprises a blood pipeline and a medicine adding device, the first medicine adding assembly comprises a bin body, a first medicine liquid guide pipe and a flow control assembly. During use, medicine entering the bin body can be slowly injected into the blood pipeline through the first medicine liquid guide pipe by adjusting the flow control assembly. Under an original conventional medicine adding mode, medicine injected into blood at a time through an injector can be slowly injected into the blood when the first medicine adding assembly of the medicine adding device is adopted for medicine adding, so that the medicine can flow into the blood slowly and more dispersedly, is more fully and uniformly mixed with the blood and then flows back into the body of a patient along with the blood successively, and the medicine adding effect is good. A better treatment effect is achieved; and meanwhile, for the medicament needing to be slowly injected, medical personnel do not need to slowly push the piston of the injector to slowly move to inject the medicament, so that the operation difficulty of slowly injecting the medicament is reduced.

A double-circulation disinfection system for hemodialysis water treatment relates to the field of water treatment and comprises a pretreatment system, a balanced reservoir, a constant pressure pump, a first-stage reverse osmosis membrane filtering mechanism and a second-stage reverse osmosis membrane filtering mechanism which are sequentially connected in series through a pipeline, a discharge port with a drain valve is arranged on the balanced reservoir, and the double-circulation disinfection system is characterized in that the constant pressure pump is connected with the first-stage reverse osmosis membrane filtering mechanism and the second-stage reverse osmosis membrane filtering mechanism. The disinfection system comprises a disinfectant disinfection system and a high-temperature disinfection system, and bypass pipelines with valves are connected in front of a water inlet valve at the water inlet end of the first-stage reverse osmosis membrane filtering mechanism and behind a water outlet valve at the water outlet end of the second-stage reverse osmosis membrane filtering mechanism. Compared with the prior art, the utility model has the advantages that the sterilization and disinfection are thorough, and the residual disinfectant can be effectively removed.

The invention discloses a method and system for dynamically adjusting displacement liquid flow and a hemodiafiltration device.The method comprises the following steps that the initial pre-displacement liquid flow and the initial post-displacement liquid flow are determined, transmembrane pressure is monitored in real time, and a control system controls the displacement liquid flow to be dynamically adjusted according to the degree that the transmembrane pressure deviates from a target range. The self-adaptive adjustment step length of the displacement liquid flow is calculated through a feedback control algorithm, the front displacement liquid flow and the rear displacement liquid flow are dynamically adjusted according to the self-adaptive adjustment step length, and dynamic and fine adjustment of the front displacement liquid flow and the rear displacement liquid flow is achieved. The TMP is stably controlled within a safe range by dynamically adjusting the front and rear displacement liquid flows and utilizing a dynamic step length adjusting mechanism, so that the excessive concentration of blood in the dialyzer is effectively reduced, the blood coagulation risk of the dialyzer is reduced, and the service life of the dialyzer is prolonged.

The invention relates to the technical field of blood dialysis, in particular to a real-time blood pressure monitoring method of a blood sampling system. According to the method, suspected blood sampling moments and suspected sampling ends are preliminarily screened out through blood pressure deviation conditions according to different change conditions after blood sampling is carried out at the sampling ends, and the blood sampling probability is obtained by analyzing the blood pressure change conditions of the different sampling ends after the suspected blood sampling moments; analyzing the recovery condition after the blood pressure fluctuates according to the suspected blood sampling time, and obtaining a recovery change reduction index according to the reduction change of the recovery condition under continuous sampling; and in combination with accumulation of recovery change reduction indexes and blood sampling probabilities, monitoring and early warning are carried out through comparison analysis of historical patients. The blood sampling condition at the extracorporeal circulation sampling end is analyzed, the fluctuation recovery time reduction condition is compared, the monitoring abnormity is early warned in time, and it is guaranteed that a patient is monitored safely and reliably.

The utility model relates to the technical field of hemodialysis, and discloses a medical equipment disinfection device for hemodialysis, which comprises a base and an ultrasonic cleaning machine fixedly mounted on the front side of the top of the base, and the ultrasonic cleaning machine is used for cleaning medical equipment through the mutual matching of a servo motor, a threaded rod, a threaded sleeve, a limiting plate, a limiting rod, an L-shaped plate and a clamping block. The cleaning basket can be driven to move downwards to enter the inner cavity of the ultrasonic cleaning machine to clean the medical instruments, and after cleaning is completed, the cleaning basket is moved upwards so that workers can take the medical instruments conveniently; a rack plate, a movable gear, a rotating disc, a pawl, a telescopic spring A, a circular seat, a driving bevel gear, a driven bevel gear, a cam, an L-shaped supporting plate, a vertical plate, a telescopic spring B, a pushing plate, a reset spring and a ball are matched with one another, so that the ball can be driven to continuously knock the cleaning basket back and forth when the cleaning basket moves upwards; and the falling of residual water is accelerated through the generation of vibration.

The invention relates to the technical field of blood purification, in particular to an anticoagulation pump which comprises a bottom plate, an injection pushing mechanism and a liquid medicine feeding mechanism, a hemodialysis machine is fixedly installed on the upper side of the bottom plate, a blood drawing pipe is fixedly arranged on one side of the hemodialysis machine, and an infusion tube is fixedly arranged on the other side of the hemodialysis machine; a round seat frame and a box body are fixedly connected to the upper side of the bottom plate, an injector is clamped in the round seat frame, heparin can be supplemented to the injector through the injection pushing mechanism, the injector, the box body and a piston rod, heparin can be continuously injected, blood is prevented from being coagulated in the hemodialysis machine, and the hemodialysis efficiency is improved. The hemodialysis purification device has the advantages that smooth flow of blood is guaranteed, the injector does not need to be replaced, time and labor are saved during operation, long-time interruption of heparin injection is avoided, improvement of the anticoagulation effect of hemodialysis purification is facilitated, the hemodialysis purification process can be smoothly performed, and meanwhile, the working efficiency of the anticoagulation pump is improved.

The invention relates to the technical field of venous catheter protection, in particular to a protective device and method capable of protecting a central venous catheter for hemodialysis, the device comprises a controller and a processing box, bandages are symmetrically arranged on the processing box, a telescopic part is arranged in the processing box, and a first protective assembly is arranged on the inner side wall of the processing box; a driving rack is coaxially and fixedly connected to an output shaft of the telescopic piece, and a transmission assembly is arranged on the driving rack. A second protection assembly and a limiting assembly are further arranged on the inner side wall of the treatment box. And an adjusting assembly is arranged on the treatment box. The method comprises the following steps: step 1, skin cleaning; secondly, a guide pipe is installed; and step 3, fixing the conduit. By means of the double protection design of the first protection assembly and the second protection assembly, the central venous catheter can be effectively fixed and protected, the risk that the catheter is displaced, disengaged or damaged due to external pulling or moving is reduced, and therefore the safety of the hemodialysis process is improved.

The application discloses a lung function, respiratory muscle function determination method, system and device, and relates to the technical field of medical detection.The application comprises: MR image data collection, MR image data preprocessing, forming an image data set by MR post-processing image data; dividing the image data set into a training set, a verification set and a test set according to a ratio of 5:2:1; and constructing a UNet segmentation model and training the model by using the image data set.The application innovatively adopts a deep learning method to post-process chest MRI dynamic images, obtains quantitative indexes capable of comprehensively evaluating diaphragm structure and function of hemodialysis patients, and quantitatively describes the diaphragm function condition of the population, thereby making up for the shortcomings that a lung function instrument cannot early identify patients with relatively light respiratory muscle lesions and lung function in a compensatory stage, cannot indicate the position of respiratory muscle lesions, and cannot monitor the lung function of patients with poor lung function due to the inability to complete the lung function instrument examination.

The invention provides an arm fixing device for hemodialysis in the nephrology department and a blood leakage prevention method, belongs to the technical field of medical instruments, and aims to solve the technical problem that blood leakage is likely to occur in the hemodialysis treatment process in the prior art. Comprising a needle frame, a fixing band and a locking fastener, the needle frame comprises a seat body and a cover body which are buckled, the seat body is provided with a vertically-penetrating needle head cavity and a needle body cavity laterally penetrating into the needle head cavity, the needle body cavity is provided with a needle handle fixing structure, a cover body cavity is formed in the position, corresponding to the needle head cavity, of the cover body, a transparent plate is arranged on the outer side of the cover body cavity, and a transparent elastic film is arranged on the inner side of the cover body cavity. The cover body is provided with a self-sealing interface which is communicated with the transparent plate and the elastic film interlayer; the two fixing belts are fixedly connected to the two sides of the base body respectively, and the lock catch piece is fixedly connected with the outer ends of the two fixing belts. And a gap at an acupuncture position caused by hand movement during dialysis is effectively prevented, the risk of blood leakage is greatly reduced, and the treatment safety is guaranteed.

The utility model discloses a double-bubble monitoring choke clip for a hemodialysis machine, which comprises a mounting part mounted on the outer surface of the hemodialysis machine, and the mounting part is provided with an artery pipeline channel for placing an artery pipeline and a vein pipeline channel for placing a vein pipeline. The artery pipeline channel and the vein pipeline channel penetrate through the mounting part, monitoring probes used for monitoring whether bubbles are generated in the artery pipeline or the vein pipeline are arranged on the inner wall of the artery pipeline channel and the inner wall of the vein pipeline channel, and chucks used for clamping the artery pipeline or the vein pipeline are arranged in the artery pipeline channel and the vein pipeline channel. The artery pipeline and the vein pipeline can be monitored at the same time, and monitoring is comprehensive.

This invention relates to the field of medical auxiliary instruments, and more particularly to a hemodialysis auxiliary device for nephrology. This invention provides a hemodialysis auxiliary device for nephrology that can stably support the patient's arm on the side of the fistula and provides movable fixation for the catheter connected to the fistula puncture needle. It is flexible in use and can effectively prevent muscle spasms in the arm, thus assisting the patient in undergoing more comfortable hemodialysis treatment. The hemodialysis auxiliary device for nephrology includes a base plate, a screw, and a rotating handle; the screw is threaded to the base plate, and the rotating handle is located at the bottom end of the screw. This invention uses a round-headed top rod to limit the inclined ring, locking the height of the support ring plate and the fixed ring plate. Simultaneously, a toothed ring limits the gear, locking the swing angle of the support ring plate and the fixed ring plate. This allows the support ring plate to limit the patient's arm on the side of the fistula, assisting the patient in undergoing stable hemodialysis treatment.

The invention provides disinfection equipment for a hemodialysis machine, and belongs to the technical field of disinfection of hemodialysis machines. Comprising a high-temperature disinfection box; and the connecting assembly is used for keeping the distance between the high-pressure spray head and the rotating column stable, and the connecting assembly is connected with the high-pressure spray head and the rotating column. By arranging the connecting assembly, the distance between the high-pressure spray head and the rotating column can be kept stable, so that the disinfection brush is matched with the high-pressure spray head to always provide stable and uniform flushing force for the inner wall of the guide pipe, the inner wall of the guide pipe can be comprehensively and fully flushed and disinfected, and the flushing and disinfection quality of the guide pipe is guaranteed; the whole cleaning and disinfecting efficiency of the hemodialysis machine is improved, meanwhile, the connecting assembly further has a scraping effect on the wall of the catheter, residues of disinfecting liquid in the catheter can be effectively reduced, the mottling phenomenon of the wall of the catheter is avoided in the subsequent drying process, and the disinfecting quality and efficiency of the catheter are further improved.

The invention relates to the technical field of image analysis, in particular to an early coagulation monitoring system of an arteriovenous pot based on image processing. The system obtains an arterial pot image and a venous pot image in real time; acquiring an early coagulation coefficient of the arteriovenous jug at the current moment according to the blood wall hanging condition in the arteriovenous jug image and the flocculus floating condition in the venous jug image in the current time period; according to the bubble distribution condition in the arterial jug image at the current moment and the liquid level height change condition in the arterial jug image and the venous jug image in the current time period, the abnormal degree of the dialysis pipeline at the current moment is obtained; correcting the early blood coagulation coefficient according to the abnormal degree of the dialysis pipeline, and obtaining the corrected early blood coagulation coefficient at the current moment to judge whether the early blood coagulation phenomenon exists at the current moment or not. According to the method, the early coagulation coefficient is accurately obtained and corrected in real time, so that the early coagulation phenomenon can be timely and accurately found and timely treated, and the stability of hemodialysis is effectively improved.

The invention relates to the field of intelligent auxiliary nursing, and particularly discloses a hemodialysis auxiliary nursing system and method.The hemodialysis auxiliary nursing method comprises the steps that firstly, a temperature and humidity information collection module obtains humidity and temperature data in a dialysis area through sensing equipment; the blood pressure influence parameter module analyzes the influence of the data on the blood pressure of the patient to obtain blood pressure influence parameters, and then the dialysis influence parameter calculation module obtains dialysis influence parameters. Meanwhile, the comfort level parameter calculation module evaluates the influence of the environmental factors on the comfort level of the patient, and comfort level perception influence parameters are obtained. The proportion calculation module determines the environmental comfort influence proportion by analyzing the perceptual image array of the patient. Finally, the scheme generation module synthesizes all parameters and formulates an optimal auxiliary nursing scheme. According to the scheme, personalized and precise nursing scheme optimization is achieved, and the stability of the dialysis effect and the comfort degree of a patient are improved.

1. The name of the design product: hemodialysis tube fixing clamp. 2. The use of the design product: for fixing hemodialysis tube. 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 invention belongs to the technical field of medical materials, and particularly relates to an antibacterial and anticoagulant dual-function coating, a preparation method thereof and a needle head with the antibacterial and anticoagulant dual-function coating. S200, a PDPA coating is prepared; s300, grafting the heparin; s400, carrying out NO (nitric oxide) loading; the antibacterial and anticoagulant bifunctional coating prepared by the method has excellent antibacterial and anticoagulant functions, is used for hemodialysis, can effectively inhibit arteriovenous needle blockage and prevent bacterial infection, and is firm in adhesion and not easy to fall off.

The utility model relates to the technical field of hemodialysis pipeline anti-falling, and discloses a hemodialysis pipeline anti-falling device for hemodialysis room nursing, which is characterized by comprising a telescopic component connected with a supporting shell, and the supporting shell is connected with a pipeline fixing component through an elastic limiting component; the pipeline fixing assembly comprises a pipeline fixing frame, the pipeline fixing frame is in a U shape, one side of the interior of the pipeline fixing frame is fixedly connected with a pipeline limiting block, a hemodialysis pipeline can be firmly fixed to the device through cooperation of the pipeline fixing frame, the pipeline limiting block and a top block, and an arc-shaped clamping groove of the pipeline limiting block and the top block interact to fix the hemodialysis pipeline to the device; by means of the structure, displacement and falling of the pipeline in the treatment process can be effectively prevented, continuity and stability of hemodialysis treatment are guaranteed, and medical risks such as blood leakage and air entering the pipeline caused by loosening or falling of the pipeline are reduced.

The invention relates to a hemodialysis fistula stenosis automatic detection and grading method and system. Acquiring multi-mode ultrasonic data of the arteriovenous fistula; labeling the multi-modal ultrasonic data by adopting a five-level labeling standard to establish a two-dimensional labeling system; preprocessing the two-dimensional ultrasonic structure image in the two-dimensional labeling system to obtain a segmentation result of the fistula area; narrow parameters are calculated based on the segmentation result; extracting hemodynamic parameters based on the blood flow spectrum data in the two-dimensional labeling system; constructing a multi-feature fusion deep learning architecture; extracting an image feature map of the preprocessed two-dimensional ultrasonic structure image through a ResNet50 architecture based on an image branch; based on parameter branches, the stenosis parameters and the hemodynamic parameters are fused and converted to obtain a parameter feature map; fusing the image feature map and the parameter feature map to obtain a fused feature; and predicting the fistula stenosis level based on the fusion features to obtain a five-level stenosis grading result. The efficiency and reliability of hemodialysis fistula analysis are improved.

Systems, assemblies, and methods are provided for delivering one or more intubation needles into a blood vessel. The systems, assemblies, and methods use a needle delivery device coupled to one or more ultrasonic sensors to control delivery of the intubation needle.

The invention provides an ICU bedside hemodialysis pipeline self-adaptive anti-coagulation flushing device which comprises a dialyzer, the dialyzer is connected with an outlet pipe and an input pipe, a blood pump is arranged on the outlet pipe, and the dialyzer comprises an upper cylinder, a lower cylinder and a movable sleeve; the swing device comprises a first fixing frame arranged on the upper cylinder and the lower cylinder, a telescopic shaft is arranged on the first fixing frame, a second spring sleeves the telescopic shaft, the telescopic shaft is connected with a movable sleeve, a movable rod is arranged on the outer side face of the movable sleeve, a support is connected to the outer side face of the upper cylinder, and a movable rod is arranged on the movable rod. A rotating shaft is arranged on the support, the rotating shaft is connected with a cam motor, a cam is further arranged on the rotating shaft, and the cam is in contact connection with the moving rod; the anti-coagulation dialyzer has the advantages that the anti-coagulation effect of the dialyzer can be achieved, operation is convenient, the structure is simple, and the problem of coagulation can be effectively relieved in a self-adaptive mode.

The utility model discloses a hemodialysis pipeline fixing patch, and belongs to the technical field of water prevention and heat preservation. Comprising a fixing paste used for adhering to the upper surface of an arm of a patient, an adhesive paste used for adhering and fixing a hemodialysis tube, a limiting mechanism used for limiting the hemodialysis tube, an adjusting mechanism used for adjusting the limiting mechanism left and right, and an auxiliary paste used for connecting the adjusting mechanism with the fixing paste. By means of the device, the hemodialysis pipeline can be bent back and pasted to the upper surface of the arm of a patient, the catheter is prevented from being disengaged, and the situation that the hemodialysis pipeline is inconvenient to place due to the fact that the hemodialysis pipeline is long and cannot be conveniently placed is avoided. According to the hemodialysis catheter fixing device, the problems that the hemodialysis catheter is likely to be pressed by the limbs of a patient and blood in the catheter is coagulated and blocked are solved, meanwhile, the hemodialysis catheter is limited and adjusted left and right, blood flowing can be further facilitated, and the treatment effect is improved.