230 results about "Dialysis tubing" patented technology

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.

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 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 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.

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 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.

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.