What is dialysis?

A short introduction to what it means to dialyse

What is chronic kidney disease (CKD)? (1)

Chronic kidney disease includes conditions that damage your kidneys and decrease their ability to keep you healthy by doing the jobs listed. If kidney disease gets worse, wastes can build to high levels in your blood and make you feel sick. You may develop complications like high blood pressure, anemia (low blood count), weak bones, poor nutritional health and nerve damage. Also, kidney disease increases your risk of having heart and blood vessel disease.
These problems may happen slowly over a long period of time. Chronic kidney disease may be caused by diabetes, high blood pressure and other disorders.
Early detection and treatment can often keep chronic kidney disease from getting worse. When kidney disease progresses, it may eventually lead to kidney failure, which requires dialysis or a kidney transplant to maintain life.

What is dialysis?

Dialysis is a way of cleaning your blood when your kidneys can no longer do the job. It gets rid of your body's wastes, extra salt and water, and helps to control your blood pressure.

Are there different types of dialysis?

There are two kinds of dialysis. In hemodialysis, blood is pumped out of your body to an artificial kidney machine, and returned to your body by tubes that connect you to the machine.
In peritoneal dialysis, the inside lining of your own belly acts as a natural filter. Wastes are taken out by means of a cleansing fluid called dialysate, which is washed in and out of your belly in cycles.

How does peritoneal dialysis work?

A soft plastic tube (catheter) is placed in your belly by surgery. A sterile cleansing fluid is put into your belly through this catheter. After the filtering process is finished, the fluid leaves your body through the catheter.

There are two kinds of peritoneal dialysis:
  • Continuous Ambulatory Peritoneal Dialysis (CAPD)

  • Automated Peritoneal Dialysis (APD)

The basic treatment is the same for each. However, the number of treatments and the way the treatments are done make each method different.

CAPD is "continuous," machine-free and done during the day, while you go about your normal activities such as work or school. You do the treatment by placing about two quarts of cleansing fluid into your belly and later draining it. This is done by hooking up a plastic bag of cleansing fluid to the tube in your belly. Raising the plastic bag to shoulder level causes gravity to pull the fluid into your belly. When empty, the plastic bag is removed and thrown away.

When an exchange (putting in and taking out the fluid) is finished, the fluid (which now has wastes removed from your blood) is drained from your belly and thrown away. This process usually is done three, four or five times in a 24-hour period while you are awake during normal activities. Each exchange takes about 30 to 40 minutes. Some patients like to do their exchanges at mealtimes and at bedtime.

APD differs from CAPD in that a machine (cycler) delivers and then drains the cleansing fluid for you. The treatment usually is done at night while you sleep.

What are the pros about being on peritoneal dialysis?

Some doctors feel that CAPD and APD have several benefits when compared to hemodialysis. With continuous dialysis, you can control extra fluid more easily, and this may reduce stress on the heart and blood vessels. You are able to eat more and use fewer medications. You can do more of your daily activities and it is easier to work or travel.



Once you've been diagnosed with CKD or end-stage renal disease, it can seem like your whole world changes. We understand what a drastic change this means to you and that your therapy goal is to maintain a balanced lifestyle.That’s why we offer a new treatment option, that was specifically designed to help make therapy easier for you and your family.


It is a known fact that the majority of all patients and their family members would prefer therapy in the comfort of their own homes, thereby increasing their quality of life. The risk of infection, increasing age, and the associated limitations, however, are some of the reasons why ultimately very few patients choose to perform home dialysis.

About Peripal

This is where our Zurich-based company Peripal AG comes in. We developed our medical device in close collaboration with dialysis patients, so logically it is geared toward the needs of the people who actually use it.
With the new PeriSafe® assistant device for Peritoneal dialysis, moderate dexterity impairment, and many other complications are no longer a handicap to perform PD. Therefore, patients can continue their treatment at home, spend more time with family and benefit from more independence and flexibility in their life.

Chronic kidney disease (CKD) is an ongoing journey, unique to every single individual. Peripal has made it part of our mission, to provide support and individual care for each of our patient’s needs.


The novel patient assist device for peritoneal dialysis

The simple and safe way for the connection of peritoneal dialysis patients


With the PeriSafe® device more people will become eligible to perform dialysis at home.

Connecting the transfer set to the dialysis bag system is performed inside the protected device, and the open transfer set and dialysis bag system are never exposed to touch contamination. The patient is guided through the therapy, and by simply pushing the buttons, the frangible is broken and the dialysis tubes are clamped.



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Confident start

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How it works
CAPD with PeriSafe
APD with PeriSafe
Please contact your physician for more information about Peritoneal Dialysis and PeriSafe.
Further information

If you'd like to read more bout the  PeriSafe® device, click the button below and we will take you there.

We will gladly give you more information about the PeriSafe® device also by e-mail or by phone. To contact us, please press the button below.

Peripal AG

Limmatquai 112

8001 Zurich



Tel.: +41 44 221 95 40

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