**7. Specific materials**

## **7.1 Polymers**

Despite the classical clinical biomaterials/implants such as pacemaker, catheter, modern implants and prostheses consist of several materials therefore the biocompatibility means multicomponent guest materials in host (tissue) environment. The plastic materials—nowadays—are undergoing rapid development. Especially due to the high compact of plastic industry, the materials are more aesthetic, safe and of better quality.

Among plastics, the most commonly used biocompatible materials are:

