Hemodialysis is a method of kidney failure treatment. The procedure is based on the performance of the kidneys, filtration of waste products, and removal of excess fluid. Therapy is performed with the use of special equipment. The blood flows from the body into the dialyzer filter, is purified, and then returned. Dialysis consumables are necessary for the effectiveness of the treatment method. Since the supplies are disposable, they must be disposed of after the session.
To perform the procedure, the doctor needs constant access to the circulatory system. To facilitate the process, specialists create an artificial connection between an artery and a vein using an arteriovenous fistula or install a vascular prosthesis. During the procedure, dialysis needles are inserted into them. The technique requires the necessary consumables:
dialyzer;
dialysis filter;
arterial and venous lines to conduct blood;
dialysis solutions;
fistula needles.
A dialysis kit greatly speeds up and simplifies the procedure. As a rule, the kit contains all the necessary tools, which contributes to the effective work of medical personnel, reduces the cost of purchase, processing.
There are two main types of dialysis in medicine: hemodialysis and peritoneal dialysis. Hemodialysis involves pumping blood from the patient's body into a dialyzer. The device provides filtration of metabolic products. After purification, it injects pure blood into the body. The doctor adjusts the amount of fluid that is returned so that the liquid does not accumulate in the body.
During peritoneal dialysis, a person's abdominal cavity acts as a filter. The inner lining has a branched blood system that allows substances from the blood to pass through the peritoneum. To do this, a catheter is inserted into the abdominal wall and a dialysate infusion is performed. The dialysis solution stays inside for some time so that water, waste products, and toxins slowly get into it. After the procedure, it is sent for disposal and replaced with a new one.
It is very important to buy a soft dialysis catheter made of silicone rubber, a porous polyurethane. This material allows the dialysate to flow out evenly and reduces the likelihood of damage. The catheter is installed for a certain period or permanently. A permanent one is inserted surgically. After some time, it adheres tightly to the skin, which makes it possible to close it.
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