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Anonymous users2024-02-06Dialysis water refers to the reverse osmosis water that comes out of the water machine and the conversion fluid that enters the human body during hemofiltration. The former is produced by the water machine, and the latter is produced by re-filtration of the reverse osmosis water generated by the water machine.
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Anonymous users2024-02-05At present, bipolar reverse osmosis is used more, that is, after 2 times of treatment with activated carbon, resin, ions, etc., it is basically pure water, and then it is almost 1:
Mixed in a ratio of 1:68, it becomes a dialysate. After the dialysate is adjusted by sodium bicarbonate dry powder, and then filtered through a semi-permeable membrane, it is the replacement solution.
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Anonymous users2024-02-04Healthy kidneys receive excess water and metabolites directly from the body and excrete them through urine, where water intake and urination maintain the body's water balance. Drinking water passes through the intestinal barrier before it enters the bloodstream, but for dialysis patients, the contact between water and blood is only achieved through a semi-permeable membrane, and within certain limits, the semi-permeable membrane has no choice of the substance that passes through it. Hemodialysis patients are exposed to large amounts of dialysate (at least more than 1,000 liters per month), so the purity requirements for dialysis water are very high.
In order to ensure the safety of dialysis patients, the water is treated. A water treatment plant is a system based on the removal of harmful substances from water, in which each part is interconnected and protects each other.
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Anonymous users2024-02-03Dialysis water in accordance with YY0527 standard.
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Anonymous users2024-02-02Hemodialysis: It is one of the ways to replace the kidney in patients with chronic renal failure. It drains blood from the body to the outside of the body, through a dialyzer composed of countless hollow fibers, the blood and electrolyte solutions containing similar concentrations of the body are exchanged inside and outside the hollow fibers through diffusion or convection, removing metabolic wastes from the body, maintaining electrolytes and acid-base balance.
The principle is as follows:1Diffusion: is the main mechanism of solute clearance in HD. The solute is transported from the high to the low side by a concentration gradient, a phenomenon known as diffusion. The diffuse transport energy of solutes comes from the irregular movement of the molecules or particles themselves of solutes;
2.Convection: The movement of solutes along with the solvent through the semi-permeable membrane is called convection.
The solute and solvent move together as a result of the action of frictional forces. Unaffected by the difference in the molecular weight of the solute and its concentration gradient, the driving force of the transmembrane is the hydrostatic pressure difference between the two sides of the membrane, the so-called solute traction.
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Anonymous users2024-02-01Dialysis is a medical term that refers to a separation and purification technology that separates small molecules from biological macromolecules through the principle of diffusion into water or buffer through a semi-permeable membrane. Dialysis** is a method of excreting constituent solutes or water from the body through a semipermeable membrane and is often used in cases of acute or chronic renal failure or the accumulation of drugs or other toxins in the body.
Dialysis used in medicine is broadly divided into three categories: hemodialysis, peritoneal dialysis, and colon dialysis.
Hemodialysis, also known as artificial kidney and dialysis, is a type of blood purification technology.
Peritoneal dialysis uses the peritoneum as a semi-permeable membrane, and uses gravity to inject the prepared dialysate into the patient's peritoneal cavity through the catheter to remove metabolites, toxic substances and correct water in the body.
Colon dialysis is performed by injecting filtered water into the human colon to cleanse the intestines and remove toxins from the body.
It is understood that there are basically no fruits to be avoided in such patients. It depends on the condition of each patient. Peritoneal dialysis patients are not restricted, and if there is low potassium, they are encouraged to eat potassium-rich fruits such as oranges and oranges.
Anuria dialysis patients and hemodialysis patients should avoid potassium-containing foods during non-dialysis periods.
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Anonymous users2024-01-31Categories: Healthcare.
Problem description: What is dialysis in medicine?
Analysis: You said that dialysis in medicine is probably hemodialysis.
How does hemodialysis work?
Dialysis is the process by which solutes pass from one side of a semipermeable membrane to the other.
Any natural (e.g., peritoneal) or man-made semi-permeable membrane that contains a pore size that allows solutes of a certain size to pass through, then these solutes can move from one side of the membrane to the other through diffusion and convection.
"Poisons" in the human body include metabolites, drugs, and exogenous poisons, which can be removed from the body by dialysis as long as their atomic or molecular weight is appropriate. The basic principles are dispersion and convection. Bi Zheng is missing.
Diffusion is the concentration gradient of the solubilized macromatter contained in the liquid on both sides of the semi-permeable membrane and the different osmotic concentrations it forms, and the solute moves from the side with high concentration through the semi-permeable membrane to the side with low concentration.
Convection, also known as ultrafiltration, refers to the transport of solutes and solvents across the membrane due to different hydrostatic pressure and osmotic pressure gradients on both sides of the dialysis membrane.
Hemodialysis uses the principle of semi-permeable membrane to introduce the patient's blood and dialysate into the dialyzer at the same time, and flows in the opposite direction on both sides of the dialysis membrane, and removes toxins through diffusion, convection and adsorption by virtue of the solubility gradient, osmotic gradient and water pressure gradient on both sides of the semi-permeable membrane; Removal of excess water from the body through ultrafiltration and osmosis; At the same time, it replenishes the necessary substances to correct the imbalance of electrolytes and acid-base balance.
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