Biomedical devices containing amphiphilic block copolymers
First Claim
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1. A silicone hydrogel comprising the reaction product of a reaction mixture comprising at least one silicone containing component;
- at least one substantially non-polymerizable amphiphilic block copolymer; and
at least one hydrophilic component.
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Abstract
This invention relates to wettable biomedical devices comprising amphiphilic block copolymers. The amphiphilic block copolymers are useful as internal wetting agents for biomedical applications, such as implantable devices, ophthalmic devices and in one embodiment, contact lenses.
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40 Claims
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1. A silicone hydrogel comprising the reaction product of a reaction mixture comprising at least one silicone containing component;
- at least one substantially non-polymerizable amphiphilic block copolymer; and
at least one hydrophilic component. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
- at least one substantially non-polymerizable amphiphilic block copolymer; and
- 36. A method comprising the steps of (a) mixing a low molecular weight, substantially non-polymerizable amphiphilic polymer and reactive components comprising at least one silicone containing component and at least one hydrophilic component, (b) curing the product of step (a) in a mold to form a biomedical device and (c) deblocking said ophthalmic device from said mold.
Specification