聚左旋乳酸，又名聚L-丙交酯（PLLA）是一種生物可吸收降解材料。具有良好的生物可吸收性、生物相容性。聚L-丙交酯的體內(nèi)降解可分為兩個階段, 首先是水解成乳酸單體,然后乳酸單體在乳酸脫氫酶的作用下，將乳酸轉(zhuǎn)變成丙酮酸，然后進入線粒體被徹底氧化分解，生成二氧化碳和水。由聚L-丙交酯制成的產(chǎn)品生物相容性好，在體內(nèi)降解后，產(chǎn)物經(jīng)代謝排除體外，對人體無危害性及毒副作用，因此目前被廣泛應(yīng)用于醫(yī)學(xué)領(lǐng)域，如一次性輸液用具、免拆型手術(shù)縫合線；藥物控釋、緩釋包裝劑；組織工程支架、骨固定及骨修復(fù)材料、注射用微膠囊、微球、埋植劑及動物器官支撐彈性體等材料。
Instructions: Poly(L-lactide) is a kind of biodegradable materials and with good bioabsorbability and biocompatibility. The degradation of Poly(L-lactide) has two steps: first, Poly(L-lactide) is hydrolyzed into Lactic acid; second, the lactic acid turns into pyruvic acid under the function of lactate dehydrogenase, and then enters into mitochondria and is completely oxidized and decomposed to give carbon dioxide and water.
The product which is made from poly(L-lactide) has good biocompatibility. After degradation in the body, the product is excreted by metabolism and It has not harm and side effect to the human body. Therefore our products are currently widely used in the field of medicine, such as the one-time infusion equipment, medical
surgical suture, drug delivery carriers, tissue engineering scaffolds, bone anchors, injectable microcapsules,microspheres, implants, elastomer materials for organ support, et |
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