Device for surgically repairing soft tissues and method for making the same
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United States of America Patent
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Sep 15, 1987
Grant Date -
N/A
app pub date -
Sep 23, 1985
filing date -
Sep 23, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention comprises a flexible planar sheet having perimetric edges, the sheet being formed from a plurality of multi-fiber carbon filaments. The sheet is coated with a first solution of biodegradable polymer dissolved in a solvent, and the solvent is permitted to evaporate thereby leaving a first film of biodegradable polymer on the flexible sheet member. A second solution is applied to the sheet and contains a biodegradable polymer dissolved in a solvent, the concentration by weight of the polymer with respect to the solvent being greater in the second solution than in the first solution. When the solvent of the second solution evaporates it leaves a second film of biodegradable polymer on the planar sheet adjacent to the perimetric edges thereof. An alternative method of applying the polymer to the sheet is to lay polymer strips on the sheet and to apply heat to those polymer strips.
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