A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 31/14 (2006.01) A61L 27/18 (2006.01) A61L 27/44 (2006.01) A61L 27/58 (2006.01) A61L 31/06 (2006.01) A61L 31/12 (2006.01) A61B 17/58 (2006.01)
Patent
CA 2282132
This invention provides a biodegradable and bioabsorbable implant material having a high mechanical strength wherein its shape after deformation within ordinary temperature range can be fixed and maintained so that its shape can be easily adjusted at the site of operation, and it has substantially no anisotropy in view of strength so that it does not cause whitening, breakage and sharp decrease in strength when its bending deformation is repeated in any direction and it has toughness. Particularly, it provides an implant material which comprises a biodegradable and bioabsorbable crystalline polymer that has a crystallinity of 5% or more, can effect deformation such as bending or twisting within ordinary temperature range and has a shape-keeping ability to fix and maintain the shape after deformation as such, wherein molecular chains, domains of molecular chain assembly or crystals of the polymer are oriented along a large number of reference axes having different axial directions, or clusters having these reference axes having different orientation are assembled in a large number.
Morii Hiroshi
Okuno Masaki
Shikinami Yasuo
Riches Mckenzie & Herbert Llp
Takiron Co. Ltd.
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