Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Arterial prosthesis – Having plural layers
Reexamination Certificate
2007-11-27
2007-11-27
Truong, Kevin T. (Department: 3734)
Prosthesis (i.e., artificial body members), parts thereof, or ai
Arterial prosthesis
Having plural layers
C427S002240
Reexamination Certificate
active
10333975
ABSTRACT:
An intravascular stent (26) has a surface coated with a biocompatible layer. The layer contains a diamond like nanocomposite material. This nanocomposite material comprises carbon, hydrogen, silicon and oxygen as constituent elements. The layer has a stress which is less than 150 MPa in order to ensure a high degree of flexibility and a complete expandability. This lower stress is obtained by the inclusion of relatively large amounts of Si:O bonds. In a preferable embodiment the layer with diamond like nanocomposite material covers the stent (26) for 100%. This is obtained by allowing the stent to move freely along a wire during CAVD deposition.
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Kirk Matthew P.
Venkatraman Chandra
Blue Medical Devices B.V.
Truong Kevin T.
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