Radiopaque coating for biomedical devices

Details Radiopaque coating for biomedical devices Radiopaque coating for biomedical devices

A - Human Necessities

61

L

A61L 27/42 (2006.01) A61F 2/90 (2006.01) A61L 27/06 (2006.01) A61L 31/08 (2006.01) C23C 14/16 (2006.01)

Patent

CA 2560232

A medical device has a porous radiopaque coating that can withstand the high strains inherent in the use of such devices without delamination. A coating of Ta is applied to a medical device, such as a stent, by vapor deposition so that the thermomechanical properties of the stent are not adversely affected. The coating preferable has high emissivity.

L'invention concerne un dispositif médical comprenant un revêtement poreux radiopaque qui peut résister à des contraintes élevée inhérentes à l'utilisation de ces dispositifs sans délaminage. On applique une couche de tantale (T) sur un dispositif médical, tel qu'un stent, par dépôt en phase vapeur, de façon à ne pas affecter négativement les propriétés thermo-mécaniques du stent. Ledit revêtement présente, de préférence, une émissivité élevée.

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