A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 27/00 (2006.01) A61L 15/32 (2006.01) A61L 15/42 (2006.01) A61L 15/64 (2006.01) A61L 27/56 (2006.01) A61L 27/58 (2006.01)
Patent
CA 2177519
Absorbable implant materials having controlled porosity are formed by a method comprising the steps of: providing a dispersion of a bioabsorbable polymer, such as collagen, in a first solvent, such as water; adding particles of a second material, e.g. frozen water droplets or ice particles to the dispersion; followed by freezing the dispersion to form a frozen dispersion having the particles embedded therein, and removing both the first solvent and the second material from the frozen dispersion by freeze-drying or solvent extraction to leave the porous implant material. The invention also encompasses the use of such implant materials for wound healing applications.
Harvey Wilson
Light Nicholas D.
Mcgregor James
Watt Paul W.
Harvey Wilson
Johnson & Johnson Medical Inc.
Light Nicholas D.
Mcgregor James
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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