46 results about "Haemodialysis machine" patented technology

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.

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 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.

The invention relates to the technical field, in particular to a dialysate supply system of a hemodialysis machine, which comprises a concentrated solution supply module, a dialysate mixing module, a concentration detection module, a data storage module, an intelligent control module and a centralized control module, the real-time state of a patient is dynamically analyzed through deep learning, components of dialysate are automatically adjusted, the crossing from a fixed formula to individualized dynamic supply is achieved, and the treatment effect is remarkably improved; secondly, the system can predict the risks of hypotension, hyperkalemia and the like prospectively, and actively intervene in advance, so that the incidence rate of dialysis-related acute complications is reduced; and moreover, the workload of medical staff for frequently and manually adjusting parameters is greatly reduced through automatic intelligent control, so that the medical staff can concentrate on clinical decisions, and medical resource allocation is optimized.

The invention relates to a hemodialysis machine with a disinfection function, and belongs to the technical field of hemodialysis machines, the hemodialysis machine comprises a control module, a hemodialysis machine body and a disinfection module, the disinfection module comprises a liquid storage tank, a liquid outlet channel and a wiping head, the liquid storage tank is arranged in the hemodialysis machine body or on one side of the hemodialysis machine body, the liquid storage tank is used for storing a disinfectant, and the wiping head is used for wiping the disinfectant. The liquid outlet channel communicates with the liquid storage tank and the wiping head and is used for conveying the disinfectant in the liquid storage tank into the wiping head, and the control module is electrically connected with the liquid outlet channel and is used for instructing the liquid outlet channel to operate; the control module is electrically connected with a blood pump of the dialysis machine body and used for controlling the operation power of the blood pump, a disinfection mode and an operation mode are input into the control module in advance, and when the control module is switched to the disinfection mode, the blood pump is instructed to operate.

Combination of a single-station reverse osmosis device (RO device) with a hemodialysis device (HD device), wherein the RO device has a filter with a membrane (4) that separates a primary chamber (10) from a secondary chamber (9), wherein a raw water supply line (49) opens into the primary chamber (10) and the secondary chamber (9) is connected to a water inlet valve (23) and a flushing valve of the HD device (21) via a connecting line (19) containing a conductivity measuring device (29), characterized in that defective permeate that is produced in excess or measured by a conductivity measuring device (20) can flow to the drain (33) at the end of the line (19) via an inserted flushing valve (22) with a pressure maintenance function.

The application discloses a full-automatic liquid supply system suitable for various hemodialysis machines, which comprises a liquid preparation device, a liquid supply device, a disinfection device, a centralized liquid supply pipeline, a hemodialysis machine working state recognition module, a liquid suction rod in-place detection device, a dialysis and disinfection mode recognition device and a control module. The full-automatic liquid supply system can conveniently obtain the working state of different brands of hemodialysis machines by detecting the position of the liquid suction rod of the hemodialysis machine and whether the working current of the hemodialysis machine exists or not, realizes the online operation of the centralized liquid supply system and hemodialysis machines of different brands and models, and the centralized liquid supply system can automatically obtain the working state of the hemodialysis machine, thereby supplying liquid; the hemodialysis machine and the centralized liquid supply do not need any operation of medical staff during dialysis, manpower and cost are saved, and the risk caused by manual misoperation and missed operation is avoided.

The application discloses a hemodialysis machine dialysate potassium ion real-time automatic regulation system and belongs to the technical field of medical equipment, which solves the problem of how to accurately regulate the potassium ion concentration in the dialysate of a hemodialysis machine. The man-machine interface of the host computer mainly comprises blood potassium concentration display, regulation system function selection and lower computer function setting functions. The lower computer controller mainly completes the cooperative control of the clamping valve and the peristaltic pump, realizes the function control of the electrode, and, combined with the real-time optimal regulation strategy solved by the nonlinear MPC control algorithm, realizes the switching selection of dialysate with different potassium ion concentrations by electromagnetic valve driving control. The ion selective electrode is adopted to realize the real-time sampling detection of the potassium ion concentration in blood, and the control of the peristaltic pump and the rotary clamping valve is combined to realize the calibration, cleaning and activation of the electrode. The application realizes the real-time switching of dialysate with different potassium ion concentrations and completes the accurate regulation of dialysate with different potassium ion concentrations in the dialysis process.

A peritoneal dialysis fluid generation system including water purification equipment configured to provide purified water; a presterilized tubing set including a container for storing peritoneal dialysis fluid; at least one glucose or buffer concentrate; and a hemodialysis machine in fluid communication with the water purification equipment, the hemodialysis machine including at least one mixing pump for mixing the at least one glucose or buffer concentrate with the purified water to form peritoneal dialysis fluid, a dialysis fluid pump for delivering the peritoneal dialysis fluid to the container, and a control unit configured to control the at least one mixing pump to form the peritoneal dialysis fluid and the dialysis fluid pump to deliver the peritoneal dialysis fluid to the container.

1. Name of the product in this design: Hemodialysis machine (modular). 2. Purpose of this design: for use in hemodialysis. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention relates to an intelligent hemodialysis machine, and belongs to the technical field of hemodialysis machines, the intelligent hemodialysis machine comprises a control module, a sensing module, a mobile chassis and a hemodialysis machine body arranged on the mobile chassis, the sensing module is electrically connected with the control module, and the sensing module is used for monitoring vibration of the hemodialysis machine body and uploading a vibration value to the control module; the control module is electrically connected with a blood pump, the control module is used for controlling the flow of the blood pump, and the control module is used for judging whether the vibration value exceeds a threshold value or not and increasing the flow of the blood pump when the vibration value exceeds the threshold value.

The utility model discloses a disposable extracorporeal circulation pipeline converter, and relates to the technical field of extracorporeal circulation converters. The side branch pipe is fixedly installed in the center of the top end of the vein pot. The side branch pipe at the top end of the vein pot is mutually connected with an extracorporeal circulation pipeline of a patient and is mutually connected with a hemodialysis machine vein detector through a dialysis machine guide pipe, so that effective detection is carried out in the blood return process, a filter screen in the vein pot can effectively filter blood clots in blood, and the blood clots in the blood can be effectively filtered out. In addition, part of the connecting pipe at the bottom end of the vein pot is placed at the detection part of the hemodialysis machine for air and blood leakage detection, so that the safety and effectiveness of the whole blood return process are ensured, the blood clots are effectively prevented from entering a blood circulation system, and the blood clots are prevented from entering the blood circulation system. And the risk of serious complications such as vascular obstruction and embolism caused by blood clots is reduced.

A medical fluid generation system is disclosed. In an example, a peritoneal dialysis fluid generation system includes water purification equipment configured to provide purified water; a presterilized tubing set including a container for storing peritoneal dialysis fluid; at least one glucose or buffer concentrate; and a hemodialysis machine in fluid communication with the water purification equipment. The hemodialysis machine includes at least one mixing pump for mixing the at least one glucose or buffer concentrate with the purified water to form peritoneal dialysis fluid, a dialysis fluid pump for delivering the peritoneal dialysis fluid to the container, and a control unit configured to control the at least one mixing pump to form the peritoneal dialysis fluid and the dialysis fluid pump to deliver the peritoneal dialysis fluid to the container.

The invention relates to a blood shearing device and a blood compatibility evaluation method. The blood shearing device comprises an objective table, a fixing support, a supporting beam, a stator, a rotor and a driving source. The device can simultaneously adjust the roughness and wettability of the material surface, breaks through the limitation that only a single factor can be researched in the prior art, and provides a more comprehensive platform for systematically evaluating the blood compatibility; in the experimental method, red blood cell hemolysis is detected, and the degradation condition of plasma protein is evaluated synchronously, so that the overall injury mode of blood components under the action of an artificial surface can be reflected more truly. Experimental basis can be provided for material selection and surface optimization of blood contact type medical instruments such as an artificial heart pump, an ECMO and a hemodialysis machine, the clinical complication risk can be reduced, and development of artificial organs and blood purification technologies is promoted.

A hemodialysis system includes: a hemodialysis machine configured to provide hemodialysis treatment to a patient, wherein the hemodialysis treatment includes circulating the patient's extracorporeal blood through an extracorporeal blood circuit; a first oxygen saturation sensor device configured to measure oxygen saturation corresponding to the patient's extracorporeal blood in the extracorporeal blood circuit; a second oxygen saturation sensor device configured to measure oxygen saturation corresponding to blood flowing within the patient's body; and at least one controller configured to determine one or more oxygen saturation phase shift (OSPS) values ​​or one or more percutaneous travel time values ​​corresponding to the patient based on oxygen saturation measurements from the first and second oxygen saturation sensor devices.

The application discloses a kind of complex terrain-oriented adaptive passive wearable hemodialysis machine load devices, including the load platform of wearing in the waist of user, hemodialysis machine is carried in the inside of load platform, outside is equipped with wearing fixed structure, two ends are respectively equipped with leg structure;The leg structure includes the spring recovery device A of being adapted to swing inside and outside of thigh inside measurement, femoral skeleton and calf skeleton;The rear end of the femoral skeleton is equipped with load-bearing connecting rod device, and the rear end of calf skeleton is equipped with power-assisted connecting rod device;The spring energy storage device B is equipped in the hip joint of the femoral skeleton and load platform connection, and the spring energy storage device C is equipped in the knee joint of the femoral skeleton and calf skeleton connection;Femoral skeleton and calf skeleton inside are equipped with the structure of adjustable leg binding height of different body type wearers;The lower end of the leg structure is equipped with foot structure;Spring recovery device D that can be adapted to swing inside and outside of ankle is equipped in the ankle joint of foot structure.

A peritoneal dialysis fluid generation system including water purification equipment configured to provide purified water; a presterilized tubing set including a container for storing peritoneal dialysis fluid; at least one glucose or buffer concentrate; and a hemodialysis machine in fluid communication with the water purification equipment. The hemodialysis machine includes at least one mixing pump for mixing the at least one glucose or buffer concentrate with the purified water to form peritoneal dialysis fluid, a dialysis fluid pump for delivering the peritoneal dialysis fluid to the container, and a control unit configured to control the at least one mixing pump to form the peritoneal dialysis fluid and the dialysis fluid pump to deliver the peritoneal dialysis fluid to the container.

The hemodialysis machine comprises a shell, a dialyzer and a perfusion device, a blood pump is arranged on the shell, a support is arranged on one side of the shell, the hemodialysis machine further comprises a supporting shaft, the supporting shaft is connected with the support, the supporting shaft comprises a fixed shaft body and a rotating shaft body, a bearing is arranged at the end of the fixed shaft body, and the rotating shaft body is connected with the fixed shaft body. The rotating shaft is connected through a bearing; the clamping piece comprises a fixing clamp arranged at the end of the rotating shaft, the fixing clamp is connected with a second clamping tile through an elastic piece, and the clamping piece is used for clamping the dialyzer; the fixing frame is arranged on one side of the fixing clamp, the fixing frame is connected with a first clamping tile, the first clamping tile is connected with a tightening belt, and the first clamping tile is used for clamping the perfusion device, and the automatic exhaust device has the advantages that automatic exhaust of the dialyzer and the perfusion device can be achieved, the structure is simple, the beating frequency can be controlled, and the exhaust effect is good.

A portable hemodialysis system is provided including a dialyzer, a closed loop blood flow path which transports blood from a patient, to the dialyzer, and back to the patient, and a closed loop dialysate flow path which transports dialysate through the dialyzer. The hemodialysis system includes a hemodialysis machine and dialysate generator which are physically connectable to, and disconnectable from, one another. To connect the hemodialysis machine and dialysate generator together, both the hemodialysis machine and dialysate generator possess connectable and disconnectable electrical connectors and fluid connectors which are positioned and constructed to allow both a fluid and electrical connection between the two machines. The hemodialysis machine includes a processor and a user interface, preferably in the form of a touchscreen, that is capable of controlling both the functions of the hemodialysis machine and the dialysate generator.

The utility model discloses an anti-static shrapnel and a hemodialysis machine using the same, the shrapnel is composed of at least one shrapnel body, the shrapnel body is provided with a U-shaped part, the U-shaped part comprises a first side plate, a second side plate and a bottom plate, and the second side plate is connected with a first arc-shaped plate; a metal frame is arranged in the hemodialysis machine, a metal shell is arranged on the outer side of the hemodialysis machine, the anti-static elastic piece is arranged on the metal frame, and the first arc-shaped plate is in conductive contact with the metal shell. The beneficial effects of the utility model are that reliable connection between the installation part and the part to be grounded can be realized through the elastic sheet body, so that the part to be grounded can be grounded safely and reliably, and harm caused by static electricity can be avoided.

The application discloses a hemodialysis machine pump state early warning method and system based on audio recognition, and relates to the technical field of hemodialysis machine pump maintenance. The method comprises the following steps: collecting an audio signal of a hemodialysis machine pump; drawing a waveform graph based on the audio signal; preliminarily judging whether an abnormal waveform section is contained in the waveform graph based on image recognition; if the abnormal waveform section is contained in the waveform graph, obtaining an abnormal frequency spectrum graph of the abnormal waveform section; judging whether the hemodialysis machine pump is abnormal in combination with the abnormal waveform section and the abnormal frequency spectrum graph; and if the hemodialysis machine pump is abnormal, issuing an abnormal alarm. The application has the effect of detecting the state of the hemodialysis machine pump without disassembling the hemodialysis machine.

This invention relates to the field of medical equipment technology, specifically to an automatic hemodialysis concentrate mixing device and its operating process, comprising a hemodialysis machine, a mixing chamber, an impeller, a rotating assembly, a stirring wheel, an adjusting assembly, and a telescopic plate. The mixing chamber is installed inside the dialysis machine and has an inlet and an outlet. The inlet is divided into an A-liquid inlet and a B-liquid inlet. An adjusting chamber is provided on the mixing chamber. A rotating assembly is located below the impeller in a drive chamber. A stirring wheel is located above the rotating assembly within the mixing chamber. An adjusting assembly is located on one side of the rotating assembly, and a telescopic plate is installed within the adjusting assembly. The impeller drives the stirring wheel to rotate via the adjusting assembly, achieving uniform mixing of the liquids. The rotating assembly drives the telescopic plate to slide via the adjusting assembly, changing the diameter of the inlet. This invention achieves uniform mixing of hemodialysis concentrates through centrifugal force, improving dialysis efficiency and reducing waste liquid generation.

The present disclosure describes systems and methods for blood return in a hemodialysis machine using an adjustable valve that includes a first portion having a first port configured to be connected to a machine arterial line and a second port configured to be connected to a machine venous line, and a second portion of the adjustable valve having an arterial inlet port configured to be connected to a patient arterial access line, a venous outlet port configured to be connected to a patient venous access line, and a substitution inlet port configured to be connected to a substitution fluid line. The first portion can be movable relative to the second portion to selectively connect the first port and the second port with a selected combination of two of the arterial inlet port, the venous outlet port, or the substitution inlet port to adjust a flow of fluid therethrough.

The invention discloses an auxiliary disinfection device for a hemodialysis machine, and belongs to the technical field of dialysis machine disinfection. A rotary cleaning assembly used for cleaning and disinfecting an AB tube of the hemodialysis machine is installed on the shell. The shell is provided with an AB pipe fixing mechanism for fixing the AB pipe when the AB pipe is disinfected by the rotary cleaning assembly; the rotary cleaning assembly comprises a cleaning driving assembly, a cleaning limiting assembly, a cleaning assembly and a cleaning agent supplying and collecting assembly; the cleaning driving assembly is used for driving the cleaning assembly to rotate to clean and disinfect the outer side of the AB pipe; the cleaning limiting assembly is used for limiting the cleaning assembly; the cleaning assembly is used for cleaning and disinfecting the outer side of the AB pipe. By means of the mode, the side wall of the AB tube can be automatically wiped, crystals on the side wall of the AB tube and the position, difficult to clean, of a connector are thoroughly cleaned, the workload of medical workers is reduced, and the working efficiency is improved.

This invention discloses a blood temperature monitor for hemodialysis, relating to the field of blood temperature monitoring technology. The invention includes a hemodialysis machine body and a mounting base. A bracket is fixedly connected to one side of the hemodialysis machine body. A housing is disposed on the upper side of the mounting base. A temperature sensor connected to a heat-conducting element is disposed within the housing. A temperature monitoring system connected to the temperature sensor is disposed within the housing. A control panel connected to the temperature monitoring system is disposed on the outer side of the housing. This invention uses a heat-conducting element to sense temperature changes within the blood tubing in real time and transmits the temperature signal to the temperature monitoring system. After processing and analyzing the signal, the temperature monitoring system displays the current temperature value intuitively on the control panel. When the temperature exceeds a set range, it can also issue an alarm in a timely manner, effectively ensuring the safety of hemodialysis treatment.

A control device for a blood treatment apparatus, such as a hemodialysis machine, is programmed to be in signal communication with a data storage for transfer of first data. In addition, the control device is programmed to control or regulate the blood treatment apparatus based on a plurality of sequences included in the first data, after the first data has been transmitted from the data storage to the control device. Further, the control device is programmed to be in signal communication with a central unit. The signal communication serves for receiving second data from the central unit. The control device is further programmed to associate the received second data, according to a predetermined rule, with the first data and to load it from the data storage and to control or regulate the operation of the blood treatment apparatus based on this data.

This invention provides a testing device and method for filters used in hemodialysis equipment, belonging to the field of medical device testing technology. It includes a temperature control component, a drive component, a detection unit, and a control unit. The temperature control component comprises a heating reservoir for heating disinfectant and a cooling reservoir for cooling disinfectant, which are connected to the filter via a first circulation channel and a second circulation channel, respectively. The drive component drives the disinfectant to circulate in the first and second circulation channels. The detection unit acquires parameters of the first and second circulation channels in real time. The control unit, based on these parameters, controls the temperature control component and the drive component to adjust the disinfectant in the circulation channels to target parameters. This invention simulates the environmental conditions during hemodialysis treatment and disinfection to perform highly automated performance testing on the filter, thereby determining its long-term stability.

The present disclosure relates to dialysis systems and methods. In some embodiments, a dialysis system includes a dialysis machine having a fluid line and a drain line, a blood line set configured to connect to the dialysis machine, and a drain apparatus coupled to the dialysis machine. The drain apparatus includes a chamber configured to receive an end of a patient line of the blood line set, an input line, an output line, and a valve. The input line has a first end configured to couple to the chamber and a second end configured to couple to the fluid line of the dialysis machine. The output line has a first end configured to couple to the chamber and a second end configured to couple to the drain line of the dialysis machine. The valve is configured to control flow of fluid through the output line.

The invention discloses a remote monitoring method and system for a hemodialysis machine, particularly relates to the technical field of hemodialysis remote monitoring, and is used for solving the problems of dialysis data time sequence consistency and alarm rechecking under the conditions of multi-bed concurrent treatment and network fluctuation. The method comprises the following steps: acquiring session information and monitoring data at the beginning of a session, establishing double-anchor mapping of a local timing reference and a remote timing reference to generate a unified time base, updating / reconstructing mapping in the session according to a rule, binding a time uncertainty mark for the data, and solidifying a version record; meanwhile, caching and sequence maintenance are carried out on an equipment side or a gateway side, out-of-order data are preferentially sorted according to local timing and then converted into a unified time base, and an idempotent key is formed by a session identifier and the local timing to realize de-duplication, supplementation and missing traces; therefore, when the network jitters or interrupts, the time caliber is still kept consistent, the session boundary and the time sequence are uniquely determined, and the remote end can be aligned, traced and rechecked.