Alternatively, pellet 1,0 can be formed of a collagen gel, a polyvinyl alcohol sponge, a poly(D,L- lactide-co-glycolide) fiber matrix, a polyglactin fiber, a calcium alginate gel, a polyglycolic acid mesh, polyester (for example, poly-(L-lactic acid) or a polyanhydride), a polysaccharide (for example, alginate), polyphosphazene, or polyacrylate, or a polyethylene oxide-polypropylene glycol block copolymer.
Examples of such polymers include polylactide (PLA), polyglycolide (PGA) and their copolymer, poly^actide-co-glycolide) (PLGA), polyorthoester, polyanhydride. polyhy- droxybutyric acid, polycaprolactone, polyalkylcarbonate, and derivatives thereof.
Exemplos de tais polímeros incluem poli(ácidos láticos) (PLA), poli(ácidos glicólicos) (PGA) e seu copolímero, poli(ácido lático co-glicólico) (PLGA), poliortoéster, polianidrido, ácido polihidroxibutírico, policaprolactona, carbonato de polialquil, e seus derivados.
Examples of such polymers include polylactide (PLA), polyglycolide (PGA) and their copolymer, poly^actide-co-glycolide) (PLGA), polyorthoester, polyanhydride. polyhy- droxybutyric acid, polycaprolactone, polyalkylcarbonate, and derivatives thereof.
Exemplos de tais polímeros incluem poli(ácidos láticos) (PLA), poli(ácidos glicólicos) (PGA) e seu copolímero, poli(ácido lático co-glicólico) (PLGA), poliortoéster, polianidrido, ácido polihidroxibutírico, policaprolactona, carbonato de polialquil, e seus derivados.
The process of preparing the sustained release microsphere according to claim 1, wherein the biodegradable polymer is one or more selected from the group consisting of polylactide, polyglycolide, poly(lactidecoglycolide), poly orthoester, polyanhydride. polyhydroxybutyric acid, polycaprolactone, polyalkylcarbonate, and derivatives thereof.
Processo de preparação de microesfera de liberação sustentada, de acordo com a reivindicação 1, caracterizado pelo fato de que o polímero biodegradável é um ou mais selecionado dentre o grupo consistindo de poli(ácido lático), poli(ácido glicólico), poli(ácido lático co-glicólico), poliortoéster, polianidrido, ácido polihidroxibutírico, policaprolactona, polialquilcarbonato e seus derivados.
Alternatively, plate and expansion components 110,120 can be formed of a collagen gel, a polyvinyl alcohol sponge, a poly(D,L-lactide-co-glycolide) fiber matrix, a polyglactin fiber, a calcium alginate gel, a polyglycolic acid mesh, polyester (for example, poly-(L-lactic acid) or a polyanhydride), a polysaccharide (for example, alginate), polyphosphazene, or polyacrylate, or a polyethylene oxide-polypropylene glycol block copolymer.
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