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US 2014/0155267 A1Published application
Thermoplastic paste for repairing living tissues
AssigneesUniversitat Ramon Llull, Fundacio Privada, Institut Quimic De Sarria Cets, Fundacio Privada
InventorsSalvador Borros Gomez, David Horna Tomas
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Abstract
This invention relates to a thermoplastic paste with a highly thixotropic rheology, the components of which are a block biopolymer and a bioceramic. The material described herein can be used in bone implants and in the regeneration of both animal and plant live tissues.
Claims23
Thermoplastic paste with thixotropic rheology comprising:
- a) a block biopolymer, of formula [(A-B-C)n-D-E-D-(A-B-C)n-]m, comprising a rigid block (A-B-C)n and a flexible block (-D-E-D-).
- wherein:
- A and C are dihydroxy or diamino monomers
- B and D are dicarboxylic acids,
- E is a polymer with a hydroxyl number ≧10.
- n and m are numerical indices ≧1
- and wherein:
- the rigid block, (A-B-C)n, consists of a polymer comprising ester type bonds and optionally amide type bonds and,
- wherein the flexible block, (-D-E-D-), consists of a second polymer comprising a hydrocarbon chain containing ester or ether type bonds.
- b) a bioceramic in a proportion of 10-70% of the total weight of the thermoplastic paste.
7 more elements
Dependencies are inferred from the claim text.