A hemodialysis machine dialysis effect detection system and its control method
A technology of dialysis effect and detection system, which is applied in dialysis systems, other medical devices, drug devices, etc., can solve problems such as difficult to grasp the dialysis time, uncertain time of different toxins in dialysis, and inability to determine effective dialysis of blood urea, etc. , to achieve the effect of reducing potential safety hazards and detecting the effect of dialysis
Active Publication Date: 2020-11-20
SOUTHEAST UNIV
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Problems solved by technology
[0003] Newly developed hemodialysis machines need to test multiple functions such as pressure, ultrafiltration and conductivity. For the dialysis effect, changes in the content of conductive ions in the dialysate after dialysis are generally detected through changes in conductivity. This detection The method cannot determine whether the urea, creatinine, and potassium in the blood are effectively dialyzed out, nor can it determine the time required for dialyzing out different toxins; in this way, it is difficult to grasp the symptoms of different diseases and degrees in clinical applications. The effective dialysis time required, so that patients receiving dialysis will bear certain risks
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[0020] The present invention will be further elaborated below in conjunction with accompanying drawing:
[0021] Such as figure 1 As shown, a system for detecting the dialysis effect of a hemodialysis machine includes a liquid dispensing device (1), a liquid storage device (2), a temperature control device, a pressure control device, an inlet pump (4), a filter (5), a single Directional valve (6), outlet pump (7), proportional valve (8), switch (9) and pipeline; liquid distribution device (1) passes through pipeline, inlet pump (4), filter (5), one-way The valve (6) is connected to the liquid inlet of the liquid storage device, and the liquid outlet of the liquid storage device passes through the filter (5), the outlet pump (7), the proportional valve (8) and two switches (9) to return to the liquid distribution device respectively The port is connected to the inlet of the dialyzer (3) of the hemodialysis machine, and the outlet of the dialyzer of the hemodialysis machine is ...
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The invention discloses a dialysis effect detecting system of a blood dialysis machine and a control method of the dialysis effect detecting system. The system comprises a liquid preparing device, a liquid storage device, a temperature control device, a pressure control device, an inlet pump, filters, one-way valves, an outlet pump, a proportional valve, switches and pipelines, wherein the liquidpreparing device is connected with a liquid inlet of the liquid storage device through the pipeline, the inlet pump, the filter and the one-way valve, a liquid outlet of the liquid storage device is connected with a flow return hole of the liquid preparing device and an inlet of a dialyzer of the blood dialysis machine through the filter, the outlet pump, the proportional valve and the two switches, the outlet of the dialyzer of the blood dialysis machine is connected with the liquid inlet of the liquid storage device through the pipeline and the one-way valve, and the temperature control device and the pressure control device are mounted between the two switches. For the system and the method provided by the invention, the blood pressure and blood temperature of the human body are simulated by adjusting the pressure control device and the temperature control device, so that the dialysis process is real, the dialysis effect is well detected, and the potential safety hazards caused whenblood dialysis is carried out on a patient are reduced to a certain extent.
Description
[0001] Field [0002] The invention relates to a dialysis effect detection system of a hemodialysis machine and a control method thereof. Background technique [0003] Newly developed hemodialysis machines need to test multiple functions such as pressure, ultrafiltration and conductivity. For the effect of dialysis, changes in the content of conductive ions in the dialysate after dialysis are generally detected through changes in conductivity. This detection The method cannot determine whether urea, creatinine, blood potassium, etc. in the blood are effectively dialyzed out, nor can it determine the time required for dialyzing out different toxins; in this way, it is difficult to grasp the symptoms of different diseases and degrees in clinical applications The required effective dialysis time, so patients receiving dialysis will bear certain risks. Contents of the invention [0004] Purpose of the invention: The present invention provides a hemodialysis effect detection sys...
Claims
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IPC IPC(8): A61M1/14
CPCA61M1/14A61M2205/70
Inventor 王兴松李兴汉
Owner SOUTHEAST UNIV