230 results about "Dialysis tubing" patented technology

Spectroscopic systems and methods are disclosed for determining levels of at least one analyte in blood undergoing hemodialysis. In one aspect, the invention employs Raman spectroscopy to monitor and / or control hemodialysis. In one embodiment, the system uses a laser light directed to circulating blood from a patient undergoing dialysis to make Raman spectral measurements. For example, the laser light can be directed into a segment of the dialysis tubing. The system can utilize unique Raman spectroscopic signature of one or more analytes, e.g., urea, to identify and quantify such analytes against a whole blood background. Based on the spectral response, the concentration of the analytes can be monitored and / or used to control hemodialysis.

The invention discloses a pipeline butting operation cabin for peritoneal dialysis. The pipeline butting operation cabin comprises a sealed visible operation cabin body, wherein the operation cabin body comprises a transparent visible cabin cover and a pedestal which is matched with the cabin cover; the cabin cover is provided with two operation holes for stretching hands into the cabin body and two plug holes for plugging a dialysis pipe and a dialyzate pipe respectively; and a sterilizing lamp is arranged in the operation cabin body. The operation holes and the plug holes are formed on the operation cabin body; operation gloves are arranged on the operation holes; a guide pipeline and a silica gel seal sleeve are arranged in the plug holes; after a waste recovery device and a storage device are prepared, the sterilizing lamp is turned on to kill off bacteria in the operation cabin body; after the bacteria content in the operation cabin body meets peritoneal dialysis requirements, the dialysis pipe and the dialyzate pipe are plugged into the operation cabin body from the two plug holes respectively; and a patient or medical personnel can conveniently butt the dialysis pipe and the dialyzate pipe together through the operation gloves.

A system and method for monitoring the health of dialysis patients with Raman spectroscopy measurements of one or more target analytes is described. The methods include irradiating one or more fluids of interest with light to produce one or more spectrum and detecting the spectrum with a detector. The fluids of interest are preferably those related to dialysis, including hemodialysis and peritoneal dialysis. In a preferred embodiment, the fluids are irradiated with monochromatic light, and one or more Raman spectra are detected as a result of the irradiation. The fluids may be irradiated within the dialysis tubing itself, or removed from the dialysis tubing and irradiated in a separate chamber. The Raman spectra of one or more target analytes of a dialysis patient may be followed over time or compared to one or more reference spectra, thereby providing information on the health of dialysis patients.

Single needle vascular access systems, devices and methods for use in hemodialysis and apheresis procedures. A single needle vascular access device includes a body having an upper and lower passage with both in fluid communication with a vascular dilator. A cannulation needle is guided through the lower passage and vascular dilator to cannulate a graft or fistula. Following cannulation, the dilator is gently introduced into the vessel. The cannulation needle is removed, and a venous tube is introduced through the upper passageway through the vascular dilator and into the fistula or graft. Blood is then removed from the body through the vascular dilator side orifices and returned through the venous line. Depending on the clinical situation, the vascular dilator can be used with one or both needles of a conventional two needle system. In the later case, the vascular dilator may be connected to the dialysis tubes using conventional standard connectors.

The invention discloses a synthesis method for preparing a water-soluble biomass-based fluorescent carbon dot and application, and belongs to the field of nanometer material science and application. The biomass-based fluorescent carbon dot is prepared with cellulose and urea as raw materials through a hydrothermal method in one step, brown reaction liquid is obtained, centrifugation is conducted on the reaction liquid, supernate is taken, and precipitate is removed. A dialysis tube with the molecular weight cutoff of 5-10 kDa is selected for conducting dialysis and extraction on the supernate, and carbon dot solid is obtained through freeze drying. The carbon dot is prepared from cellulose which is low in price and capable of being easily obtained, waste resources are effectively used, and the defects that the preparation condition is rigor and raw materials are expensive are well overcome. In addition, the water-soluble biomass-based fluorescent carbon dot is good in water solubility, little in toxin and good in biocompatibility and is successfully used for cell imaging.

The invention discloses a dialysis tube fixing device for a nephrology department. The dialysis tube fixing device for the nephrology department comprises an L-shaped base seat, wherein a gear rail is arranged at the upper end of the L-shaped base seat, a hand type rolling block is arranged on the gear rail, a connection rod with a slide chute is connected with the right side of the rolling block through a rotation disk, a slide block which can slide left and right along the slide chute sleeves the slide chute, and a flexible dialysis tube fixing device is hinged with the side edge of the slide block. According to the dialysis tube fixing device for the nephrology department, the flexible dialysis tube fixing device can be correspondingly adjusted and fixed according to the structure, the length and the diameter of a dialysis tube, a horizontal and vertical regulation moving device can perform arbitrary regulation according to the position of a dialysis patient and the height of a hospital bed, and therefore a user can conveniently use the dialysis tube fixing device for the nephrology department.

The invention provides a method for extracting soluble salt in soil. The method comprises the following steps: a land to be treated is prepared into ridges with a preset specification; a dialysis tube is laid in each ridge, wherein the dialysis tubes are tubes with micropores distributed all over the tube walls, and the vertical distances from the axial centerline of the dialysis tube to all surfaces of the ridge are equal; the dialysis tubes are connected to a water delivery pipe communicating with a water source through pipe parts, such that a dialysis tube network is formed; the water source is turned on, and water is supplied for the dialysis tube network, such that a cylindrical moist body with length equal to that of the dialysis tube and with the dialysis tube as an axis is formed in each ridge; water flow in the moist bodies brings soluble salt in the soil in the ridges to the surface of the ridge soil, and the water source is turned off when the salt content in the soil in the ridges meets a preset salt content threshold; and the soluble salt at the surface of the ridge soil is extracted with a preset method. Therefore, on the bases of low cost and environment-friendliness, the soluble salt is extracted from soil, and soil soluble salt content can reach the standard for a normal arable land.

The invention discloses a preparation method and application of nitrogen and sulfur co-doped cellulosic fluorescent carbon dots and belongs to the field of nanometer material science and application. The nitrogen and phosphorus co-doped carbon dots are prepared by adopting cellulose as a carbon source, adopting sodium thiosulfate and ethylenediamine as doping agents, adopting ultrapure water as a reaction agent and through a hydrothermal method in a one-step mode, brown carbon dot reaction liquid is obtained, centrifugal treatment is conducted on the reaction liquid, supernate is taken, and precipitate is removed. The supernate is dialyzed and purified by selecting a dialysis tube with the molecular weight cutoff of 500-1000 Da, and freeze drying is performed to obtain a carbon dot solid. The preparation method is simple in operation, the raw materials are cheap and easy to obtain, and the obtained carbon dots have high fluorescence quantum yield and are good in water solubility and stable in fluorescence.

The peritoneal dialysis catheter includes a thin, flexible tube, a catheter connector at a distal end of the tube, and a cylindrical cover surrounding at least a portion of the catheter connector. The catheter connector includes a tip that is configured to attach to a dialysis tubing assembly. The tip can include an externally threaded surface. A peripheral wall of the cover can surround or shield the externally threaded surface of the tip. The peritoneal dialysis catheter can include a cap, which can be removably attached to the tip.

The invention discloses a novel dialysis tube positioning binding belt for the nephrology department. The belt comprises a belt body, one side of the opening end of the belt body is provided with first connecting belts, and the outer surface of each first connecting belt is provided with a hook and loop fastener loop surface; the other side of the opening end of the belt body is provided with second connecting belts, the second connecting belts and the first connecting belts are elastic nylon belts, the inner surface of each first connecting belt is provided with a hook and loop fastener hooksurface, and the hook and loop fastener hook surfaces are bonded with the hook and loop fastener loop surfaces; a control switch is arranged at one side of the middle of the outer surface of the beltbody, and an input end of the control switch is electrically connected with the output end of an external power source; a fixing cylinder is arranged in the middle of the outer surface of the belt body, the outer surface of the fixing cylinder is provided with an outer thread, one end of the fixing cylinder is in threaded connection with a cylinder cover, the fixing cylinder is internally providedwith a fixing groove, and a fixing plug is movably clamped into the fixing groove. The novel dialysis tube positioning binding belt for the nephrology department is diverse in function, can firmly fix a dialysis tube and reduce bacterial contamination on the dialysis tube, and also has a thermotherapy function.

The invention relates to a peritoneal dialysis catheter positioning and adjusting device which fixes and adjusts the position of a peritoneal dialysis catheter by utilizing the action of a magnetic force. The device comprises an in-vivo part arranged in the abdominal cavity of a human body and an in-vitro part arranged outside the abdominal cavity of the human body, wherein the in-vivo part comprises a peritoneal dialysis catheter arranged in the abdominal cavity of the human body; paramagnetic metal or paramagnetic alloy capable of receiving external magnetic force is embedded on the pipe section close to the tail end of the peritoneal dialysis catheter; and the in-vitro part comprises a movable magnetic force generating and adjusting device which indirectly acts on the paramagnetic metal or paramagnetic alloy of the in-vivo part in the abdominal cavity of the human body. The peritoneal dialysis catheter is positioned at a proper position in the abdominal cavity through the mediation of magnetic force, the drift of the peritoneal dialysis catheter is remarkably reduced or thoroughly eliminated, and the technological success of each time f peritoneal dialysis is ensured; and meanwhile, once in the case of catheter drift, non-operation in-vitro reset can be realized through the mediation effect of magnetic force, thus the pain of the patient suffering in operation is avoided, and additional economic burden is reduced.

The invention discloses a peritoneal dialysis tube fixing device with monitoring and alarm functions. The peritoneal dialysis tube fixing device comprises an abdominal fixing part and a dialysis tubefixing part, wherein the dialysis tube fixing part is fixedly installed on the front part of the abdominal fixing part. The peritoneal dialysis tube fixing device is convenient to wear and use, and isclean and sanitary, a peritoneal dialysis tube is disassembled and assembled more smoothly and conveniently, and the monitoring and alarm functions are achieved; whether dialysate in the peritoneal dialysis tube exists bubbles or not or the dialysate is existed or not can be monitored in real time; when the situation that the dialysate in the peritoneal dialysis tube exists the bubbles or the dialysate is not existed is monitored, a ultrasonic wave bubble detection sensor transmits the situation in the form of a signal to a controller, the controller converts the received signal into a command to control a buzzer to alarm; and through an alarm sound, a medical staff is informed to dispose and check the progress condition of peritoneal dialysis in time, so that a patient can be subjected to peritoneal dialysis treatment safely.

The invention discloses an inflatable fixing bracket for a hemodialysis catheter of nephrology department, comprising a fixing plate, an air pump is fixedly connected to the right side of the bottom of the inner cavity of the fixing plate, an air inlet pipe of the air pump penetrates the fixing plate and extends to the outside of the fixing plate, and an air outlet pipe of the air pump is communicated with a connecting pipe. The air pump, C-type airbag, the second inflatable tube and the inflatable cushion are arranged, the fixation effect of the arm of the patient is achieved, through the fixture. Threaded holes, lifting plates, threaded shank and fixing block are arranged, the invention achieves the effect that the device is convenient for medical personnel to fix the device on the bed board. As a result, the problem that the sleeping, sitting up and involuntary movement of the patient during the dialysis process can easily lead to the falling off of the dialysis tube, the needle iseasily displaced to cause the phenomenon of puncturing blood vessels, and the normal hemodialysis is affected, which not only causes pain to the patient, but also may cause other unpredictable results, and at the same time, increases the working difficulty of the medical personnel.

A vertical type animal gastrointestinal tract bionic digestion device comprises a simulation digestive tract, a stirring rod, a motor and a magnetic transmission device. The simulation digestive tract comprises a vertical glass tube body and a dialysis tube body which is placed inside the vertical glass tube body. The stirring rod is installed in the dialysis tube body, and the top end of the stirring rod is detachably connected with the magnetic transmission device. The magnetic transmission device is installed above a silica gel plug at the top end of the simulation digestive tract and electrically connected with the motor. The motor is installed above the magnetic transmission device through a motor fixing base. The vertical type animal gastrointestinal tract bionic digestion device is simple in structure, convenient to use, good in accuracy and repeatability of digestion simulation and small in error, and bionic digestion reaction liquid leakage can be avoided.

The invention belongs to the technical field of biochemical engineering and discloses a method for preparing trehalose and yeast extract by the utilization of waste beer yeast. The method comprises the following steps: firstly washing, debitterizing and purifying waste beer yeast, adding an acetic acid solution of chitosan and 5'-phosphodiesterase liquid for autocytolysis of yeast cell after purification; centrifuging after autocytolysis of yeast cell; collecting a precipitate; carrying out ultrafiltration on a supernatant obtained by centrifugation, dialyzing a ultrafiltration permeate through a dialysis tube or deionizing and decolouring through exchange resin; extracting a dialysis concentrated solution or an eluant in ethyl alcohol; drying to obtain trehalose; and carrying out autocytolysis on a ultrafiltration concentrated solution, a dialysis eluate and yeast cell, centrifuging, mixing precipitates obtained by centrifugation, adding a proper amount of starch so as to prepare the yeast extract. By the method for preparing the yeast extract, only trehalose in waste beer yeast cell is removed, protein, nucleic acid and polysaccharides substances are not lost, and the prepared yeast extract has rich nutrients. The prepared yeast extract has high value in use and can be used for culturing a plurality of microbes.

The embodiment of the invention provides peritoneal dialysis equipment with a sterilizer. The peritoneal dialysis equipment comprises a peritoneal dialysis equipment body and the sterilizer which is arranged on the peritoneal dialysis equipment body and detachably connected with an installing bin of a dialysis catheter in a matched mode, and the sterilizer is used for sterilizing the dialysis catheter in the butt-joint connecting process of the dialysis catheter. The peritoneal dialysis equipment has the following advantages that through the sterilizer arranged on one side of the peritoneal dialysis equipment, a sterilizing device can stretch into the installing bin to conduct disinfection and sterilization when the peritoneal dialysis equipment is used or before the peritoneal dialysis equipment is used, and therefore the patient infection risk generated during butt-joint connection of a peritoneal dialysis catheter and a dialysate catheter is reduced.

The present invention discloses a process for forming a solution containing gold nanoclusters binding with ligands, the process comprises the following steps: provide a aqueous solution that comprises a gold precursor, a base and ligands; perform a reduction reaction by adding a reductant into the aqueous solution to form a liquid containing gold nanoclusters binding with the ligands; concentrate the liquid containing the gold nanoclusters binding with the ligands to a solid; dissolve the solid into water to form a crude solution; and perform a purification process by passing the crude solution through a membrane or a dialysis tube to obtain the solution containing the gold nanoclusters binding with the ligands.

The invention relates to an in vitro supporting device for a mixed biological artificial liver temporarily replacing the liver function of human body. The structure of the in vitro supporting device for the mixed biological artificial liver is as follows: a bioreactor in an incubator is connected with a reactor circulating pump and a membrane lung which is connected with an exchange column; the exchange column is connected with the reactor circulating pump; a blood pump is connected with a blood inlet and a separation tube; a blood plasma infusion pump is connected with a tee joint and an active carbon absorption column; a biological artificial liver pump is connected with the active carbon adsorption column and the exchange column; a dialysis pump is connected with the exchange column and a dialysis tube; the separation tube is connected with a blood pool and the tee joint which is connected with a discarded blood plasma reservoir and the blood plasma infusion pump; the active carbon adsorption column is connected with the artificial liver pump; the dialysis pump is connected with the blood pool, a dialyzate bag and a waste fluid reservoir; and the blood pool is connected with a blood outlet. The in vitro supporting device for the mixed biological artificial liver solves the respective defects of a non-biological artificial liver and a biological artificial liver, organically combines the non-biological artificial live and the biological artificial liver to generate synergistic reaction, and achieves the aims of plasma exchange, plasma infusion, biological artificial liver dialysis and hemodialysis.

The invention discloses a method for preventing a peritoneal dialysis tube from floating and a peritoneal dialysis tube with a fixed end, the tube including an abdominal cavity, an external dialysis tube is arranged inside the abdominal cavity, one end of the outer dialysis tube extends to the outside of the abdominal cavity, the inner wall of the outer dialysis tube is slidably inserted with an inner dialysis tube, one end of the inner dialysis tube extends to the outside of one end of the outer dialysis tube, one end of the inner dialysis tube is fixedly connected with a dialysis liquid bag,and one end of the outer dialysis tube and the inner dialysis tube are fixedly connected with an adjusting device. The method for preventing peritoneal dialysis tube from floating and the peritonealdialysis tube with fixed end have the advantages that: the position of the whole dialysis tube in the abdominal cavity is positioned, When in use, one hand holds the outer dialysis tube, and the otherhand pulls the outer part of the inner dialysis tube box, and the outer sleeved silica gel tube is extruded and protruded to the outer side, and the protruding silica gel tube contacts with the innerwall of the abdominal cavity, so as to further position the dialysis tube, thereby preventing the dialysis tube from having the problem of floating tube, and having the characteristics of accurate operation and positioning.

The invention discloses a dialysis tube fixing device for the nephrology department. The dialysis tube fixing device comprises a positioning part and a fixing part, the positioning part comprises a positioning block, binding bands, supporting rods, rotating ball fixing seats, a limiting screw and a rotating ball, a through hole is formed in the middle of the positioning block, and the binding bands are arranged on the two sides of the positioning block correspondingly. When a dialysis tube penetrates through a first arc-shaped channel of a first clamping block and a second arc-shaped channel of a second clamping block, the dialysis tube is bent in a certain arc shape, when bent to a certain extent, the dialysis tube is not blocked, thus using of the dialysis tube is not affected, but whenthe dialysis tube is bent in the certain arc shape, the contact area between the dialysis tube and the first clamping block as well as the contact area between the dialysis tube and the second clamping block can be increased, friction force is increased, thus the dialysis tube is fixed more firmly by the first clamping block and the second clamping block, and meanwhile, if large force is generatedcarelessly to involve the blood dialysis tube, a second locking block moves towards one side of a first locking block to clamp and lock the dialysis tube.

The invention relates to a bedside fixing device for nursing of a blood dialysis room. The bedside fixing device comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with a vertical plate, the top end of the vertical plate is connected with a convex plate, a driving motor is arranged on the upper surface of the convex plate, an output shaft of the driving motor penetrates through the end part of the convex plate and is connected with a vertical lead screw through a shaft coupling, a bearing seat is arranged on the front side face of the vertical plate located below a vertical limiting sliding groove, the lower end of the vertical lead screw is connected with the bearing seat, a horizontal long-strip plate is arranged above the bottom plate, the rearend face of the horizontal long-strip plate is connected with a first limiting slider, the first limiting slider is arranged in the vertical limiting sliding groove in a sliding manner, a through holeis formed in the rear end of the upper surface of the horizontal long-strip plate, and a lead screw nut matched with the vertical lead screw is welded above the through hole. According to the bedsidefixing device for nursing of the blood dialysis room, a dialysis tube can be rapidly gripped during blood dialysis, the gripping effect is excellent, and rapid gripping and taking-off can be achieved.

The invention relates to a monolithic column electroelution apparatus and a method thereof. The monolithic column electroelution apparatus comprises an electrophoresis tank with electrodes, a gel plate containing a target protein zone or a nucleic acid zone, slots, a dialysis tube, and a frame, wherein the gel plate is placed in the slot, the dialysis tube is sleeved outside the slot, both ends of the dialysis tube are folded upward, the slot is placed inside the frame, and long axis of the slot is parallel to the electrodes on the outer sides of the frame. According to the present invention, the difficult problem of sample recovery is overcome by assembling simple materials in the experiment, such that characteristics of high sample recovery rate and short elution time are provided, elution of a plurality of samples can be concurrently performed, operation is simple, and the method of the present invention can be adopted as an ideal elution and pre-enrichment method.

The invention discloses a novel dialysis tube used for hemodialysis equipment. The novel dialysis tube comprises a dialysis control device and a dialysis needle tube used for leading out blood in thebody of a patient. A hemodialysis device is arranged at one end of the dialysis needle tube and connected with a blood reflux unit and a substitution fluid separating and discharging mechanism, wherein the blood reflux unit is used for conveying the blood Z after dialysis and purification back into the body of the patient, and the substitution fluid separating and discharging mechanism is used forseparating and discharging dialysis waste generated after dialysis, the blood is drawn from the body of the patient through the dialysis needle tube, then the function of dialysis is realized under the effect of the blood dialysis device, the blood Z after dialysis and purification is conveyed back into the body of the patient through the blood reflux unit, and meanwhile through the substitutionfluid separating and discharging mechanism, the waste generated by dialysis is discharged. The novel dialysis tube is simple in structure, easy and convenient to operate and capable of efficiently andrapidly dialyzing the blood of the patient, in this way, pains of the patient during blood dialysis are reduced, and the safe reliability of the whole process of dialysis is guaranteed.

The invention relates to a household peritoneal dialysis auxiliary system and a butt-joint method. The household peritoneal dialysis auxiliary system comprises a butt-joint operation bin and an auxiliary dialysis table. According to the invention, a gas collecting box is arranged below the auxiliary dialysis table, and ozone with a certain concentration in the gas collecting box is injected into acenter bin body, a supporting tire bead and a supporting gas strip through an inflator pump in a one-way inflation direction, so the shape of the bin body can be guaranteed from collapsing and deforming in the process of butt joint of a pipeline and liquid replacement for dialysis, and convection exchange between internal gas and external gas can be avoided so as to avoid the risk of infection; adisinfection sleeve is arranged at the inlet of a dialysis tube joint, and a disinfection sponge sleeve is arranged in the disinfection sleeve; the dialysis tube joint is subjected to surface wipingdisinfection in the inserting process, and the inserting process is the surface disinfection process, so the risk of infection is reduced; sealing flap valves with elastic fan-shaped slice structuresare arranged at the inlet of the dialysis tube joint and the inlet of a dialysate bag tube, and can seal the tube wall after a tube head is put into the bin body, so convection between gas in the binbody and gas outside the bin body is reduced, and the risk of infection is reduced.

The invention relates to the technical field of medical instruments, in particular to a bedside fixing device for nursing in a hemodialysis room. The bedside fixing device comprises a bottom plate, avertical plate is fixedly connected to the upper surface of the bottom plate, a vertical limiting sliding groove is formed in the front side face of the vertical plate, a protruding plate is connectedto the top end of the vertical plate, a driving motor is arranged on the upper surface of the protruding plate, an output shaft of the driving motor penetrates through an end of the protruding plateand is connected with a vertical lead screw through a coupler, a bearing pedestal is arranged on the portion, below the vertical limiting sliding groove, of the front side face of the vertical plate,the lower end of the vertical lead screw is connected with the bearing pedestal, and a horizontal long-strip plate is arranged above the bottom plate. A dialysis tube can be rapidly clamped in the hemodialysis process, the clamping effect is excellent, moreover, rapid clamping and taking-down can be achieved, the complex step that an existing hemodialysis pipeline fixing clamp needs to be fixed byscrewing in or out a bolt is avoided, and the bedside fixing device is simple and rapid to operate.

A dialysis device having a dialysis tube with a closed end and an open end, the open end is provided with a dialysis reservoir having a dialysis membrane.

A novel set of flexible dialysis tube, needles, tubing and related attachments that may be used to improve the blood sampling, removal, and reinfusion process and reduce the medical hazards of such procedures for the patient. It consists in a special perforation needle over which a plastic tube is passed into the blood vessel, flexible dialysis tube remains inserted and opens gently then bends and morphs to the body structure assuring a good blood flow. A version of flexible dialysis tube may have inside valves and actuators so that bi-directional flow can be obtained following a single vessel puncture instead of two, for procedures such as hemodialysis. An exterior connection box allows a patient to connect to an external blood processing device (hemodialysis) quickly and safely. Further, the device is designed to stay in place for several days or more, further reducing the risks and discomforts of repeated vessel punctures. Some versions of the device could have a micro-sensor array embedded with the plastic tube, enabling continuous measurement of many medically significant parameters.

The invention provides a dialysis tube fixing device for the nephrology department, and relates to the technical field of medical instruments for the nephrology department. The dialysis tube fixing device for the nephrology department comprises a Y-shaped shell, wherein a side opening is formed in the position, located on the inner side, of the upper end of the Y-shaped shell; a fixing column is fixedly connected to the inner surface of the Y-shaped shell; a special-shaped plate is fixedly connected to the outer surface of the fixing column; and a chuck is fixedly connected to the end, penetrating through the side opening outwards, of the upper end of the special-shaped plate; a silica gel pad is fixedly connected to the inner side of the chuck; and an upper magnet is arranged on the side,away from the special-shaped plate, of the chuck and located on the upper portion of the silica gel pad. The dialysis tube is fixed through elastic force of a spring, attraction force of the magnet and negative pressure generated by the dialysis tube, the contact area is relatively large, the chuck of the device can be separated through an adjusting handle or similar tools, the situation that thedevice is opened by mistake through external force can be effectively prevented, a relatively wide installation range is provided, and the health workers is convenient to use.

The invention discloses a dialysis tube locating and binding device for the nephrology department. The dialysis tube locating and binding device comprises a restraining mechanism and an adjusting mechanism, the restraining mechanism is composed of a first fixed connecting belt, a middle breathable net belt, a second fixed connecting belt, a breathable net and a first hook and loop fastener, the middle breathable net belt is fixedly connected to one end of the first fixed connecting belt, and the second fixed connecting belt is fixedly connected to the end, away from the first fixed connectingbelt, of the middle breathable net belt. According to the dialysis tube locating and binding device, through the arrangement of a fixed adjusting rod and a fixed locking rod, the position of a movablefixation base is conveniently and flexibly adjusted, the position of a sliding pressing plate and a fixed jacking plate is adjusted, thus different positions of different patients are conveniently fixed, the flexibility of the dialysis tube binding device is improved, and the application range of the dialysis tube locating and binding device is expanded; the problem that the fixing position of adialysis tube is monotonous when the structure of the dialysis tube is monotonous is solved, the dialysis tube is effectively fixed, and the pain brought to a patient when the fixation of the dialysistube is unstable is avoided.

The invention discloses a hemodialysis machine, which comprises a casing, a placement groove is arranged on one side of the casing, a bracket is arranged on the upper end of the casing, a liquid medicine barrel and a waste liquid recovery barrel are arranged in the placement groove, The bracket is provided with a hanging bottle, and the housing is provided with a blood pump and a blood transfusion tube, and the blood pump is located at a dialysis device provided at one end of the housing. Beneficial effect: by setting up two dialysis cartridges, the blood enters the next dialysis cartridge through the second blood pump again after one dialysis, so that the blood undergoes multiple dialysis, and the power is not reduced, greatly increasing It improves the strength and efficiency of dialysis and brings more health hopes to patients. By setting a heater between the blood transfusion tube and the human body, the blood is heated to a temperature suitable for the human body before it flows into the human body, reducing the number of patients. The pain increases the efficiency of dialysis to a certain extent.