Non-biodegradable two phase corneal implant and method for preparing same
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United States of America Patent
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Nov 26, 1991
Issued Date -
N/A
app pub date -
Feb 15, 1990
filing date -
Feb 18, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a non-biodegradable corneal implant comprising (1) a polymerized transparent collagenous core having acylated amine or esterified carboxyl groups, and (2) a polymerized periphery surrounding the core, the periphery comprising fibrous collagen, e.g., Type I, being in the form of fibrils under suitable physiological conditions, or fibrillar collagenous material prepared from intact tissue. A method of preparing such an implant is also provided.
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