Biomaterials                                                                  Natural materials, Metals, Ceramics, Composites, Pure Pyrolytic Carbon, Tissue regeneration products
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  • A biomaterial is any natural or man-made material employed in, or used as, a medical device which performs, augments or replaces a natural function within a living organism.
  • Another definition of biomaterial is "any substance (other than drugs) or combination of substances synthetic or natural in origin, which can be used for any period of time, as a whole or as a part of a system which treats, augments, or replaces any tissue, organ, or function of the body".
  • A biomaterial is different from a biological material such as bone that is produced by a biological system. Artificial hips, vascular stents, artificial pacemakers, and catheters are all made from different biomaterials.
  • Biomaterials are medical-grade polymers, metals, advanced ceramics, pyrolytic carbon, composites, and natural materials. End -use devices include implants, valves, grafts, pacemakers, bone repair and replacement devices, artificial organs, dental materials, drug -delivery systems, dialysis/separation/filtration systems, and catheters and stents.
  • The word ceramic is derived from the Greek word (keramos). The term covers inorganic non metallic materials which are formed by the action of heat. A composite material of ceramic and metal is known as cermet. The word ceramic can be an adjective, and can also be used as a noun to refer to a ceramic material, or a product of ceramic manufacture. Ceramics may also be used as a singular noun referring to the art of making things out of ceramic materials. The technology of manufacturing and usage of ceramic materials is part of the field of ceramic engineering.
  • In chemistry, a metal  is an element that readily loses electrons to form positive ions (cations) and has metallic bonds between metal atoms. Metals form ionic bonds with non-metals. They are sometimes described as a lattice of positive ions surrounded by a cloud of delocalized electrons. The metals are one of the three groups of elements as distinguished by their ionization and bonding properties, along with the metalloids and nonmetals.
  • Composite materials are engineered materials made from two or more constituent materials with significantly different physical or chemical properties and which remain separate and distinct on a macroscopic level within the finished structure.

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