226 results about "Blood purification" patented technology

To enable water removal control that can respond to various patients and the conditions of each patient, and that can perform efficient water removal treatment while reducing the burden on the patient. [Solution] The device has a memory unit that stores the water removal achievement rate at a specified elapsed time during blood purification treatment, and a calculation unit that sets a water removal profile in which the water removal rate gradually decreases from the start to the end of blood purification treatment, and the calculation unit is equipped with a water removal rate determination unit that determines the water removal rate for a specified time at a specified elapsed time based on the water removal achievement rate.

This invention discloses a blood purification device and medical system. The blood purification device includes: a device housing; a blood purifier; a blood tubing assembly, the blood tubing assembly including a first blood tubing connecting a human blood vessel to the inlet of the blood purifier and a second blood tubing connecting the outlet of the blood purifier to the human blood vessel; a power assembly including a blood pump for driving blood flow within the blood tubing assembly, a first replenishment pump for allowing anticoagulant solution to flow into the first blood tubing, and / or a second replenishment pump for allowing calcium solution to flow into the second blood tubing; and a blood component analysis component disposed within the device housing, the blood component analysis component being used to detect collected blood samples. This design facilitates the appropriate adjustment of anticoagulant drugs and calcium ions in the blood purification circuit.

The invention relates to the crossing field of computer technology and edge calculation, and discloses a blood purification equipment real-time control method based on edge calculation. According to the method, multi-modal real-time physiological parameters, historical dialysis data and a current treatment target are fused through a local edge calculation unit, an individualized body fluid dynamic response prediction model is constructed, and an ultrafiltration rate instruction is optimized and generated within a millisecond level; the system comprises a multi-mode sensor array, a historical data storage module, a task planning interface, an edge computing unit and an ultrafiltration pump controller. According to the application, the hemodynamic state is accurately maintained, the risk of hypotension is remarkably reduced, and the treatment safety and individualization level are improved.

The invention relates to the technical field of blood purification, and particularly discloses an integrated blood purification pipeline consumable device which comprises a main body bracket, and an artery pipeline assembly, a dialysis filter, a vein pipeline assembly, a pre-flushing piston assembly, a liquid inlet tank assembly and a liquid outlet tank assembly which are mounted on the main body bracket. The key core problem solved by the invention is to integrate treatment consumable pipelines and integrate a plurality of auxiliary function modules, so that the operation convenience of medical staff is greatly improved on the premise of ensuring treatment; by configuring an automatic pre-flushing function, a heparin injection function, a quantitative system and the like, the operation process of ultralight portable blood purification equipment matched with the device can be simplified, the size and the weight of the equipment are reduced, and the equipment is suitable for wider and more complex application environments; the method can be used for early treatment of severe wounded persons in modern wars, emergency supplement of conventional dialysis treatment patients, disaster relief without traditional dialysis conditions, self-treatment of patients in emergencies and the like, and has wide application prospect and practical value.

The invention belongs to the technical field of medical equipment, and discloses a movable continuous blood purification first-aid device which comprises a movable seat and further comprises a stabilizing mechanism arranged in the inner wall of the bottom end of the movable seat; the blood purification barrel is fixedly connected to the outer wall of the top end of the movable seat, and a cover plate is arranged on the outer wall of the blood purification barrel; the cleaning mechanism is arranged in the inner wall of the blood purification barrel; the mounting mechanism is arranged on the outer wall of the bottom end of the blood purification barrel, and an impurity output pipe is arranged on the inner wall of the mounting mechanism; wherein the stabilizing mechanism comprises a stabilizing plate; through cooperation of the stabilizing plate, the pedal A and other structures, the stabilizing plate can be moved downwards and fixed by treading the pedal A downwards, the stabilizing plate is kept in a state of being in contact with the ground, the overall stability of the device is improved, and then it is guaranteed that in the using process, it is avoided that the device topples over due to external force collision, and the blood purification operation is affected.

1. Name of the product in this design: Nursing Treatment Vehicle (for use in blood purification centers). 2. Purpose of this design: for use in blood purification center nursing care. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view. 5. The bottom is not visible and has no design features; therefore, the bottom view is omitted.

The utility model provides a kind of blood purification device, comprising: cylinder, end piece and fibre bundle assembly, cylinder is provided with accommodating cavity, and the both ends of accommodating cavity have opening;Two end pieces are respectively detachably connected at the both ends of cylinder, and two end pieces are respectively used to seal the two openings of cylinder, and end piece is provided with flow-through port;Fibre bundle assembly includes hollow fibre bundle and connecting ring, hollow fibre bundle is accommodated in accommodating cavity, two connecting rings are respectively arranged at the both ends of hollow fibre bundle, and the end of hollow fibre bundle is connected with connecting ring by solidified adhesive layer, connecting ring is detachably connected in the inside of end piece, and connecting ring insulates solidified adhesive layer and end piece.The blood purification device provided by the utility model can replace hollow fibre bundle, which is conducive to reducing the manufacturing cost of blood purification device.

To provide a blood purification device that can accurately determine whether a venipuncture has been performed correctly in a patient. [Solution] The blood purification device 1 comprises a blood purifier 3 capable of purifying blood, a blood circuit 2 having an arterial blood circuit 21 with an arterial puncture needle 211 attached to its tip and a venous blood circuit 22 with a venous puncture needle 221 attached to its tip, an impedance measuring unit 5 having an oscillator 53 that applies an AC voltage between an arterial electrode 51 provided on the arterial blood circuit 21 and a venous electrode 52 provided on the venous blood circuit 22, and capable of measuring the frequency characteristics of the impedance between the arterial electrode 51 and the venous electrode 52, and a puncture determination unit 72 that determines whether the patient has been properly punctured based on the measured impedance frequency characteristics, and further comprises a frequency range determination unit 70 that determines the frequency range of the AC voltage applied by the oscillator 53 according to the liquid in the blood circuit 2.

The application discloses a blood purification device and a storage medium. The device comprises a memory and a processor. The memory stores a computer program, and the processor executes the computer program to realize the method. When the actual rotating speed of a first peristaltic pump detected is greater than a preset rotating speed, the pressure alarm range of an arterial pipeline and the pressure sampling period of a first pressure sensor are determined according to the actual rotating speed of the first peristaltic pump. The first pressure sensor is controlled to periodically sample the blood pressure of the arterial pipeline according to the pressure sampling period, and a plurality of continuous first detection pressures are obtained. Whether the first peristaltic pump is stopped is determined according to the first average pressure of the plurality of continuous first detection pressures and the pressure alarm range of the arterial pipeline. In this way, the application can more accurately and timely discover the pressure fault of the arterial pipeline, and improve the blood flow safety of the arterial pipeline.

1. Name of the product in this design: Blood purification tubing selector. 2. Purpose of this design: For use as a tubing selector in blood purification. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

1. The name of the design product: blood purification equipment. 2. The use of the design product: for patient blood purification treatment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The utility model discloses a rotary type flexible pipe flow stopping system, a flow stopping valve and blood purification equipment, relates to the technical field of medical instruments, and solves the problem that the existing blood purification equipment needs a complicated and large-size mechanical structure for controlling the circulation of liquid in a flexible pipe or cannot respond to the equipment requirement in time during manual control. The system comprises a clamping assembly and a flow stopping assembly. The clamping assembly is at least provided with a groove, and a pipeline for the flexible pipe to penetrate through is arranged in each groove; one end of the flow stopping assembly is embedded into the clamping assembly and connected with the clamping assembly, and the flow stopping assembly is used for abutting against or loosening the flexible pipe after rotating. Through the synergistic effect of the clamping assembly and the flow stopping assembly, the pipeline is designed in the groove, and one end of the flow stopping assembly is embedded into the clamping assembly, so that the problems of complex structure and overlarge size of the flexible pipe are avoided while the circulation of liquid in the flexible pipe can be automatically controlled, the number of assemblies required for realizing the control of the liquid in the flexible pipe is reduced, and the production cost is reduced. And the whole body is simplified.

The utility model discloses an artery pot device and a blood purification device, and the artery pot device comprises a bottle body, the interior of the bottle body is hollow, a liquid inlet and a liquid outlet which are communicated with the interior of the bottle body are formed in the lower part of the bottle body, and a cylinder is arranged in the bottle body; the sleeve is rotationally arranged on the periphery of the cylinder along the vertical axis, the sleeve is in clearance fit with the cylinder, one end of the sleeve extends towards the bottom of the bottle body, and the other end of the sleeve extends towards the top of the bottle body; the stirring part comprises a plurality of blade sets, the blade sets are distributed in the axial direction of the sleeve, each blade set comprises a plurality of blades distributed in the circumferential direction of the sleeve, and the height of the first blade set corresponds to that of the liquid inlet, so that blood flowing in from the liquid inlet acts on the blades of the first blade set, and the first blade set is driven to rotate. The risk of blood coagulation in the arterial kettle can be reduced, replacement liquid injected for hemodiafiltration treatment can be fully mixed with blood, and the safety of blood purification treatment is improved.

A blood purification device (10) comprises: a measurement unit (44) that uses a cuff (54) for pressurizing a blood vessel of a patient undergoing blood purification treatment to measure the patient's blood pressure values and the patient's pulse wave amplitude values corresponding to cuff pressures; and a prediction unit (50) that receives, as input, time-series data including the blood pressure values and the pulse wave amplitude values measured in the blood purification treatment, and outputs the patient's blood pressure prediction value.

A blood purification device (1) comprises: a blood purifier (3) capable of purifying blood; a blood circuit (2) including an arterial-side blood circuit (21) which has an arterial-side puncture needle (211) attached on the distal end thereof, and a venous-side blood circuit (22) which has a venous-side puncture needle (221) attached on the distal end thereof; an impedance measurement unit (5) including an oscillator (53) that applies an alternating-current voltage across an arterial-side electrode (51) provided to the arterial-side blood circuit (21) and a venous-side electrode (52) provided to the venous-side blood circuit (22), the impedance measurement unit being capable of measuring frequency characteristics of the impedance between the arterial-side electrode (51) and the venous-side electrode (52); and a puncture determination unit (72) for determining, on the basis of the measured frequency characteristics of the impedance, whether a patient has been punctured normally. The blood purification device also comprises a frequency range determination unit (70) for determining the frequency range of the alternating-current voltage applied by the oscillator (53) in accordance with the liquid in the blood circuit (2).

The application discloses a balanced cavity leakage detection optimization system for blood purification, which comprises a detection circuit and a balanced cavity, wherein the detection circuit comprises a 2-way signal generation circuit, a programmable amplifier and a high-speed ADC, and an MCU time sequence control AI intelligent algorithm unit, and the programmable amplifier and the high-speed ADC are connected with the MCU time sequence control AI intelligent algorithm unit. The programmable amplifier with 1-128 gain is adopted, so that the problem of a large dynamic range of leakage resistance is solved; the multi-channel parallel technology is adopted, so that the problem of poor instantaneous leakage detection capability caused by switching is solved; the high-speed real-time sampling and waveform curve trend intelligent judgment technology are adopted, so that the problems of false alarm and missed alarm possibly caused are solved.

1. The name of the design product: blood perfusion device. 2. The use of the design product: for blood purification treatment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

This application provides a control method, apparatus, and storage medium for a blood purification device. The control method includes: determining the flow rate deviation of a target pump in the blood purification device during operation relative to a reference flow rate, wherein the reference flow rate is determined based on the flow rate information of the target pump during steady-state operation; and controlling the blood purification device to output a first alarm message for the target pump in response to a flow rate deviation being greater than or equal to a preset first flow rate deviation threshold. The technical solution provided in this application improves the safety of blood purification devices.

This blood purification apparatus comprises: a first electrode that is in contact with an arterial blood line connected to a blood purifier; a second electrode that is in contact with a venous blood line connected to the blood purifier; and a measurement unit that measures the impedance between the first electrode and the second electrode. At least one of the first electrode and the second electrode is provided with an electrode unit (60). The electrode unit (60) includes a reception part (62) in which a tube (58) provided in the arterial blood line or the venous blood line is disposed. The reception part (62) is provided with: a contact surface (64) that is in contact with the outer surface of the tube (58); and an electrode part (66) provided along the contact surface (64).

The utility model relates to the technical field of blood purification fluid infusion, and discloses an automatic fluid infusion device for blood purification, which comprises a workbench, an air cylinder fixedly connected to the upper surface of the workbench, a movable plate fixedly connected to the output end of the air cylinder, a sliding rod fixedly connected to one side of the movable plate, and a telescopic rod fixedly connected to the interior of the sliding rod. The movable end of the telescopic rod is connected with a piston, the piston is slidably connected into the sleeve, the middle of the sleeve is fixedly connected with a fixed cylinder, the fixed cylinder is connected with a feeding pipe, the tail end of the sleeve is connected with a discharging pipe, a three-way pipe is rotationally arranged in the fixed cylinder, and the two ends of the three-way pipe are connected with driving assemblies through rotating shafts respectively, the control module receives blood pump front pressure data and starts the air cylinder according to a set value, and automatic control over the liquid supplementing process is achieved. According to the utility model, the flow stability in the blood purification process is ensured, the additional burden of medical personnel caused by fluid infusion operation is reduced, and the treatment cost is reduced.

The invention relates to a blood purification course learning progress tracking method and device, equipment and a medium. The method comprises the following steps: acquiring an answer original score, force time sequence data, hand movement track data and operation time consumption of a student at a blood purification course knowledge point; calculating an error rate sensitive item and a standard degree fluctuation quantity in combination with the clinical risk library and pre-stored expert operation data; performing weighted summation processing on the basic risk value, the error rate sensitive item and the standard degree fluctuation quantity according to a preset weight coefficient to generate a dynamic weight, and generating a learning progress integral value according to the number of days from last training; and when the operation specification degree score is lower than a preset safety threshold value, deducting and correcting the learning progress integral value to obtain a final learning progress integral value. By adopting the method, the real-time mastering degree of a student on a specific operation item can be dynamically reflected by a single quantitative index, and comprehensive, accurate and clinical risk-sensitive closed-loop tracking of the learning progress of a blood purification course of the student is achieved.

The ability to quantitatively identify odors related to a patient's medical condition from a patient's blood. [Solution] An information processing device for identifying the odor of a patient's blood, comprising: an acquisition unit that receives a detection signal from an odor sensor that detects a predetermined odor contained in the blood and acquires odor data related to the predetermined odor from the detection signal; and an identification unit that identifies the odor related to the patient's condition or the status of blood purification treatment based on the odor data.

1. The name of the design product: human model (intelligent AI blood purification simulation person). 2. The use of the design product: for human model. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model discloses a medical-grade purification treatment device for a blood perfusion adsorbent, and belongs to the technical field of blood purification. A closed mesh enclosure for containing an adsorbent is arranged in an inner cavity of the extraction column; an upper joint and a lower joint which are communicated to the inner cavity as well as a feeding pipe and a discharging pipe which are communicated to the mesh enclosure are mounted on the extraction column; the liquid storage tank is used for containing a purification solvent; the liquid storage tank is connected with the circulating pump, the circulating pump is connected with the filter, the filter is connected with the evaporator, the upper connector and the lower connector, the evaporator is connected with the condenser, and the condenser is connected with the liquid storage tank and the upper connector; and the upper joint and the lower joint are respectively connected to a liquid storage tank. According to the utility model, the mesh enclosure can intercept blood perfusion resin and allows small particles such as scraps, powder and the like to pass through, and impurities and pollutants in a blood perfusion adsorbent can be comprehensively and effectively cleaned in cooperation with reverse ultrasonic extraction and forward ultrasonic extraction; through the combination of the evaporator and the condenser, the recycling and recovery of the cleaning solvent are realized.

A blood purification apparatus (1A) comprises: a dialysate supply unit that prepares a dialysate from at least first and second stock solutions; a first container unit (110) and a first holder unit; and a second container unit (120) and a second holder unit. The first container unit (110) contains a first raw material powder which is a raw material powder of the first stock solution, and the first raw material powder contains at least two of a calcium salt, a magnesium salt, a potassium salt, and a sodium salt as main components. The second container unit (120) contains a second raw material powder which is a raw material powder of the second stock solution, and the second raw material powder contains sodium hydrogen carbonate as a main component. The first holder unit constitutes a first flow path through which a dissolution solution is introduced into the first container unit (110) and through which the first stock solution, which contains the first raw material powder dissolved in the dissolution solution, is delivered to the dialysate supply unit. The second holder unit constitutes a second flow path through which a dissolution solution is introduced into the second container unit (120) and through which the second stock solution, which contains the second raw material powder dissolved in the dissolution solution, is delivered to the dialysate supply unit.

The invention relates to the field of medical equipment, and discloses a circulation pipeline structure for a blood purification device, the circulation pipeline structure comprises a kettle body and a filter plate, the two sides of the upper surface of the kettle body are connected with a liquid inlet and a medicine adding port respectively, a fixing disc is fixedly installed in the middle of the interior of the kettle body, two third infusion ports are formed in the fixing disc, and a bottom plate is installed at the bottom end of the kettle body; a collecting structure is arranged below the bottom plate, a first liquid conveying opening is formed in the position, under the two third liquid conveying openings, of the bottom plate, a filter plate is arranged in the first liquid conveying opening through a sealing structure, and a switching communication structure is arranged on the fixing disc. The first driving structure can drive the communicating switching structure and the blocking communicating structure, the other filter plate is automatically switched to perform blood purification, time and labor are saved during operation, the other filter plate can be used for continuously performing blood purification work when the filter plate is cleaned, and the medical working efficiency is greatly improved.

The invention discloses a specialized nurse-oriented blood purification personalized course recommendation method and system, and relates to the technical field of medical teaching. The method comprises the following steps: S1, collecting blood purification operation data, and preprocessing the blood purification operation data; s2, dividing the preprocessed blood purification operation data into four stages, and calculating corresponding operation characteristic values; S3, obtaining operation capability characterization parameters of each stage, constructing a nurse operation evaluation model, and outputting a blood purification operation evaluation value of a nurse; and S4, generating a personalized learning task package based on the hematopurification operation evaluation value and the weight coefficient of each stage, pushing the personalized learning task package to a nurse side, constructing an evaluation difference matrix before and after learning, and performing closed-loop updating of course recommendation. The problem that an existing nurse training system cannot achieve objective evaluation and precise course matching based on multi-dimensional data of the hematology operation process, and consequently learning content is general and insufficient in individuation is solved.

The utility model provides a blood purification nursing trolley, and belongs to the technical field of medical instruments. Comprising a movable bottom frame, a bottom frame base is arranged on the inner side of the movable bottom frame, and a side frame, an adjusting assembly, a supporting frame, a bottom frame push rod and a fixed suction cup are arranged on the upper surface of the movable bottom frame. The adjusting handle and the lifting handle are arranged to telescopically adjust the height in the side frame, after the adjusting button moves the position of the adjusting hole after upward movement, the adjusting button is popped out of the side frame to be fixed through the adjusting spring, the adjusting button can be quickly adjusted to the comfortable height according to the requirements of personnel, the personnel can conveniently push equipment, and the working efficiency is improved. The tool plate moves in the tool box, and the fixing rod is opened on the fixing plate, so that the fixing plate and the fixing rod fix the cleaning sprinkling can used for cleaning, the cleaning sprinkling can can be quickly fixed, falling caused by shaking during moving is reduced, the cleaning sprinkling can is convenient to take, and the working efficiency is improved; and the fixing suction cups are adsorbed on the edge tool box so as to quickly fix the edge tool box.