| 摘要 |
<p>The problem of the present invention is to provide an object such as an implant is formed from a plastics substrate and an iridium-containing coating. The iridium-containing coating may be iridium and/or iridium oxide. The iridium may contain the isotope Ir(192). The iridium-containing coating is produced by a plasma CVD process using microwaves with a frequency of 13.56 MHz. The iridium-containing precursor used may be iridium (III) acetyl acetonate, iridium (I) dicarbonyl-2,4-pentane dionate, chlorocarbonyl-bis(triphenylphosphine) iridium (I) or iridium-carbonyl. A layer containing Ti, Ta, Nb, Zr, or Hf may be formed between the plastics substrate and the iridium-containing coating. The implant may be a prosthesis such as a vascular prosthesis. The plastics body is preferably formed of polypropylene, polyethylen terephtalate, polyurethane or PTFE. It may have cavities and pores and may be formed of a textile fibre material.</p> |
