Biocompatible porous matrix of bioabsorbable material
AssigneeMinnesota Mining and Manufacturing Company
InventorsThomas H. Barrows, Myhanh T. Truong, Paul R. Suszko
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Abstract
A process for forming biocompatible porous matrices of bioabsorbable materials comprising: a) providing a bioabsorbable polymer; b) dissolving the bioabsorbable polymer in a volumetric orientation aid to yield a molten solution; c) solidifying the molten solution to yield an orientation matrix comprising first and second phases, the first phase being the bioabsorbable polymer and the second phase being the volumetric orientation aid; and d) removing the volumetric orientation aid while the solution is solid; to yield a biocompatible matrix of bioabsorbable polymer. Also matrices formed by the process and devices made with such matrices.
Claims13
A biocompatible porous matrix of bioabsorbable polymer made according to the following process:
- a) providing a bioabsorbable polymer;
- b) dissolving said bioabsorbable polymer in a volumetric orientation aid to yield a molten solution;
- c) solidifying said molten solution to yield an orientation matrix comprising first and second phases, said first phase being said bioabsorbable polymer and said second phase being said volumetric orientation aid;
- and
- d) then after said solidifying removing said volumetric orientation aid from said solid orientation matrix;
- to yield said biocompatible matrix.
Dependencies are inferred from the claim text.