Migration Of Phthalates Causes Health Problems In Humans
For many years.PVC has long been considered an excellent material for medical devices because of its relatively low price and excellent anti-kink properties
Because of these properties.PVC has become a popular material in the manufacture of flexible medical bags and catheters.But over the years, researchers around the world have found that the use of PVC in medical devices can have harmful effects on patients.
PVC is a kind of hard plastic, so it is necessary to use plasticizers to achieve sufficient ductility and flexibility to meet the application needs of medical catheters and medical bags.Much of the concern about pvc-made medical devices stems from the phthalate plasticizers most commonly Shared with PVC.Phthalates, such as the most commonly used diiso-phthalate (DEHP), do not bind to PVC by chemical bonding, so they are easily leached, migrated, or evaporated from equipment processed with such materials.During treatment with PVC devices, phthalates migrate into blood or other fluids in medical catheters or bags, putting patients at high risk of exposure to phthalates.According to the national institutes of health, "dialysis patients, hemophiliacs, or people who receive blood transfusions using phthalate catheters or medical bags are most likely to be exposed to phthalates."Therefore, it is necessary to take more stringent preventive measures to prevent such patients from coming into contact with PVC medical devices.
Most people are more or less exposed to phthalates, but the increased exposure of patients to phthalates during treatment with PVC devices has been the subject of most concern among researchers and regulators around the world.A lot of research has been done on the effects of phthalates on humans, but the risks of exposure to these chemicals are not fully understood, but exposure to high levels of phthalates has been shown to be associated with a wide range of health problems, from reproductive problems to liver problems to cancer.
While the effects of phthalates on humans are not fully understood, there are a number of concerns related to these potential health hazards.In addition, the research
Researchers are still digging into other potential problems.As a result, many regulatory bodies around the world, particularly in the United States and Europe, require caution in the use of PVC in medical devices.These include the us food and drug administration, the us national institutes of health, health Canada and many other agencies, as well as various industry-leading organisations such as the American public health association (APHA).The conclusions reached by these organizations are similar to those of a 2001 study in the American journal of industrial medicine: in light of the toxicity of DEHP and the availability of various dehp-containing PVC alternative products for medical devices, it is necessary to replace PVC with other materials in medical devices in a determined and prudent manner.
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