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Polyhydroxy butyric acid polymers or copolymers of hydroxybutyric acid and hydroxyvalerianic acid can be used for production of a porous, biologically resorbable elastic film for tissue separation and stimulation of tissue regeneration during healing processes in injured soft tissue of mammals, including humans. The film has a pore size which allows passage of water and salts through the film, yet excludes cells or other tissue particles. The method for production of the material is also described.
FI963506A1988-06-271996-09-06New surgical material
FI106613B
(en)