Surface modified surgical instruments, devices, implants, contac

Details Surface modified surgical instruments, devices, implants, contac Surface modified surgical instruments, devices, implants, contac

1990-10-05

1992-03-10

Lusignan, Michael

Coating processes

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

Particulate or unit-dosage-article base

427 36, 522 84, 522 85, 522167, 604 96, 606107, 623 1, 623 3, 623 66, A01N 102, B05D 306

Patent

active

050948768

ABSTRACT:
An improved method for modifying the plastic surfaces of articles adapted for contacting living tissue by the gamma or electron beam irradiation induced chemical graft coating thereon of a monomer comprising N-vinylpyrrolidone, 2-hydroxyethylmethacrylate or a mixture of the two to form a hydrophilic graft polymer coating, the improvement comprising pre-soaking the ocular implant material in a monomer or a solution comprising a monomer prior to conducting the gamma- or electron beam-irradiation induced graft polymerization in a second solution of a monomer.

REFERENCES:
patent: 4897433 (1990-01-01), Sugo et al.
patent: 4961954 (1990-10-01), Goldberg et al.

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