8results about How to "Improve dialysis efficiency" patented technology

The application discloses a silk fibroin solution purification device and a purification method thereof, which comprises a dialysate storage tank, a dialysis water tank, a finished product storage tank and a PLC control cabinet; a liquid pumping pump, a self-priming pump and a dialysis cavity are installed in the dialysis water tank, a dialysis bag is hung in the dialysis cavity, and the liquid inlet and the liquid outlet of the dialysis bag are connected to the liquid pumping pump and the self-priming pump through liquid inlet electromagnetic valves and liquid outlet electromagnetic valves respectively; the liquid pumping pump is connected to the liquid pumping electromagnetic valve of the dialysate storage tank, and the self-priming pump is connected to the liquid inlet of the finished product storage tank; water inlet electromagnetic valves and water outlet electromagnetic valves are further installed on the dialysis cavity; and the PLC control cabinet is connected to all electromagnetic valves, the liquid pumping pump and the self-priming pump. The application adopts the PLC to monitor information of each module and control a dialysis process, liberates manual work, reduces cost, improves dialysis precision at the same time, ensures purification quality, improves product purity, automatically monitors a dialysis end point, improves consistency of purification, sets a dialysis circulating flow system and improves dialysis efficiency.

The utility model provides a dialysis desalting device, and relates to the technical field of collagen preparation. The dialysis desalting device comprises a dialysis container and an air supply mechanism, and the dialysis container is used for containing dialysis external liquid and a dialysis bag filled with a sample; the air supply mechanism comprises an air supply part and an air supply pipeline, the air supply pipeline is provided with at least one air outlet, the air outlets are located in the dialysis container, and the air supply part is used for supplying air into the air supply pipeline. The dialysis desalting device can effectively improve the dialysis efficiency.

The invention provides a preparation method of lysine cross-linked hyaluronic acid gel, which comprises the following steps: mixing sodium hyaluronate, 4-(4, 6-dimethoxytriazine-2-yl)-4-methylmorpholine hydrochloride and lysine, and carrying out cross-linking reaction and dialysis treatment to obtain the lysine cross-linked hyaluronic acid gel, wherein in the dialysis treatment, dialysis is directly carried out by using dialysate, and a dialysis membrane bag is not used. In the preparation method of the lysine cross-linked hyaluronic acid gel provided by the invention, dialysis can be completed without using a dialysis membrane bag in a dialysis process, so that not only is the use of a disposable dialysis membrane bag saved, but also the dialysis efficiency and the quality of a dialyzed lysine cross-linked hyaluronic acid gel product are improved.

The invention belongs to the technical field of medical cleaning, and particularly relates to a hemodialyzer structure convenient for replacing a filter membrane, which comprises a glass tube, a separation unit is arranged on the periphery of the glass tube, a control unit is arranged at one end of the glass tube, and a cleaning unit is arranged in the control unit; when the end cap is pressed, the snake groove in the outer wall of the cake ring and the pin shaft do relative movement until the cake ring rotates by 90 degrees, then the U-shaped opening frame and the angle plate are pulled to smoothly penetrate through the through groove, then the bottom bin is controlled by the electric telescopic rod to drive the dialysis chamber to move in the direction close to the center of the glass tube until the center of the dialysis chamber coincides with the center of the shell, and finally the dialysis chamber is closed. Medical workers manually pull and insert new and old filter membranes, so that the filter membranes are quickly and conveniently replaced, the interaction time between the filter membranes and the medical workers and the external environment is shortened, the cross infection risk is reduced, meanwhile, the replacement steps are simplified, the installation and calibration difficulty is reduced, the dialysis consistency in the alternation process of the new and old filter membranes is fully ensured, and the dialysis efficiency is improved.

The utility model discloses a renal dialysis blood purification device, which relates to the field of medical equipment and comprises a flow divider, the bottom of the flow divider is fixedly connected with three flow dividing pipes, the surfaces of the flow dividing pipes are connected with regulation and control valves in an inserted manner, one side of the inner wall of each flow dividing pipe is in threaded connection with an infusion tube, and the other side of each flow dividing pipe is in threaded connection with an infusion tube. The other end of the surface of the infusion tube is in threaded connection with a flow converging device, and the bottom of the flow converging device is in threaded connection with a drainage tube; through the arrangement of the shunt tube, the regulation and control valve, the infusion tube and the confluence device, blood can be shunted and the blocked infusion tube can be replaced during use, so that the dialysis efficiency is greatly improved, and the practicability of the device is greatly enhanced; through the arrangement of a sliding groove, a sliding block and a filter, when the dialyzer is used, the filter in the dialyzer can be detached to be cleaned, so that the problem that the dialysis effect is low due to the fact that the filter is blocked is solved, and the using effect of the dialyzer is improved.

The utility model discloses blood collection equipment for hemodialysis, which relates to the technical field of medical equipment and comprises a fixing frame, a blood storage tank is fixedly connected to the inner side wall of the fixing frame, a connecting seat is fixedly connected to one side of the blood storage tank, a first blood transfusion hose is fixedly connected to one side of the connecting seat, and a second blood transfusion hose is fixedly connected to the other side of the connecting seat. One end of the first blood transfusion hose is fixedly connected with a first dialysis tube, one end of the connecting seat is fixedly connected with a second blood transfusion hose, one end of the second blood transfusion hose is fixedly connected with a second dialysis tube, one side of the fixing frame is fixedly connected with an adjusting box, and the inner side wall of the bottom of the adjusting box is fixedly connected with a first blood guide tube. According to the blood collection device for hemodialysis, through the arrangement of the first blood transfusion hose, the first dialysis tube, the second blood transfusion hose and the second dialysis tube, the effect of improving the hemodialysis efficiency of the blood collection device for hemodialysis is achieved, and through the arrangement of the adjusting box and the first blood guide tube, the effect of adjusting the blood collection rate according to user requirements is achieved.

The application discloses a double-lumen dialysis catheter based on end-side connection, relates to the technical field of medical devices, and comprises a catheter main body, an arterial end catheter and a venous end catheter. A partition wall is arranged in the catheter main body and extends along the length direction of the catheter main body; the internal space of the catheter main body is separated into a first cavity and a second cavity which are independent of each other by the partition wall. One end of the arterial end catheter is connected to one end of the catheter main body, and the internal space of the arterial end catheter is in communication with the first cavity. One end of the venous end catheter is connected to one end of the catheter main body, the venous end catheter and the arterial end catheter are connected to the same end of the catheter main body, and the internal space of the venous end catheter is in communication with the second cavity. The length of the venous end catheter is greater than that of the arterial end catheter. The venous end catheter is arranged at an included angle with the catheter main body. The dialysis catheter based on end-side connection optimizes hemodynamics, reduces pressure gradient and recirculation rate, reduces blood vessel wall contact, realizes long-term blood flow smoothness and gives consideration to blood vessel protection.

The utility model discloses an automatic dialysis circulating device which comprises a container, a reverse osmosis device, a liquid pump and a temperature control device, the container, the reverse osmosis device, the liquid pump and the temperature control device are communicated to form a circulating pipeline, the container is connected with the reverse osmosis device through a liquid outlet pipe, the reverse osmosis device is connected with the liquid pump through a first connecting pipe, and the liquid pump is connected with the temperature control device through a second connecting pipe. The temperature control device is connected with the container through the liquid inlet pipe, at least one pair of clamping plates which are oppositely arranged is installed in the container, the dialysis bag can be clamped between the pair of clamping plates, and the dialysis bag is kept in a horizontal state. According to the device, reverse dialysis is adopted through the circulating pipeline, the use amount of dialysate is reduced, deionized water can be recycled, and waste is avoided.