Medical plastic products use a variety of materials, mainly biomedical materials, which are synthetic polymer materials with certain biocompatibility. This kind of material has special properties and special functions and can be used in the fields of human organs, surgical repair, physical therapy rehabilitation, diagnosis, inspection, treatment, etc., without adverse effects on human tissues and blood.

Polyvinyl chloride (PVC) is a commonly used material for the manufacture of medical catheters. Since the melting point of PVC is very close to the decomposition temperature, and its glass transition temperature is high, the material is hard and difficult to process, so plasticizers and other additives are generally added to PVC resin to reduce its melting point and glass transition temperature. Temperature increases the flexibility of the material.

Some catheters made of PVC, especially some interventional catheters, are poorly biocompatible. Usually, the main factors affecting biocompatibility are the migration of plasticizers and the toxicity of leachates. The amount of migration and dissolution mainly depends on the formulation and preparation process, and the choice of plasticizer is particularly important. For this reason, at present, most foreign countries use polyurethane materials to manufacture interventional catheters.

Suzhou Yider Biotechnology Co., Ltd. not only has Medical plastic products, but also Medical Testing Products and other products, welcome to check our official website.