Method for pretreating the surface of a medical device

Details Method for pretreating the surface of a medical device Method for pretreating the surface of a medical device

1992-03-31

1995-09-19

Dudash, Diana

Coating processes

Medical or dental purpose product; parts; subcombinations;...

Analysis, diagnosis, measuring, or testing product

427 225, 427488, 427491, 427534, 4272552, B05D 306, A61F 200

Patent

active

054514282

ABSTRACT:
A method for pretreating the surface of a medical device, and of applying a biological coating in a further step, uses the plasma polymerization technique or the plasma grafting technique. A functional monomer, i.e. a monomer with a functional group, or a mixture of a pure monomer and a substance which can provide the required functional groups under spark discharge or under the influence of charge carriers, results in a polymer coating with free functional groups which may react with the biological coating to provide optimum adhesion of the biological coating. The process is carried out in a pressure-tight chamber with an inlet for the functional monomer under low pressure and electromagnetic radiation provided by a radiation source.

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