Urinary catheter according to different manufacturing materials, can be divided into four categories, different materials of the catheter, its characteristics are different:
1, PVC (polyvinyl chloride): the product is harder, more irritating, the patient feels uncomfortable, a strong sense of foreign body, the price is low, mostly no airbag products.
2, dry glue (raw rubber): the product is softer, more irritating, the patient feels uncomfortable, prolonged use can easily lead to catheterization mucosa inflammation, the product is easy to calcium, but the price is low, mostly for the products without airbags.
3, silicone rubber: the product is softer, almost no irritation, good bio-solubility, the patient has no foreign body sensation, but the molding process is not easy to keep the surface clean, high cost, mostly for the air bladder products. Silicone rubber catheter can reduce friction with the urethra, making insertion more convenient, comfortable, and help avoid damage to the urethra or bladder, but also reduce the risk of bacterial infection and necrosis.
4, natural latex: the product is soft, the surface of the silicone treatment is easy, irritation is very small, good biocompatibility, the patient feels comfortable, the surface finish is high, the price is suitable, mostly for the balloon products, retention operation is convenient.