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    • 8. 发明授权
    • Solution for storing bioprosthetic tissue used in a biological prosthesis
    • 用于存储生物假体中使用的生物假体组织的溶液
    • US07989157B2
    • 2011-08-02
    • US11032923
    • 2005-01-11
    • Crystal M. CunananAlexandro OchoaRonald E. Cambron
    • Crystal M. CunananAlexandro OchoaRonald E. Cambron
    • A01N1/00A01N1/02
    • A01N1/02A01N1/0226
    • A method for processing biological tissue used in biological prostheses includes providing a tissue procurement solution formed from a phosphate buffered saline (PBS) solution and a chelating agent. The tissue is transferred from the tissue procurement solution and undergoes chemical fixation. The fixed tissue is then immersed in a series of fresh bioburden reduction process (BRP) solutions to extract phospholipids. The tissue procurement solution reduces the bioburden on the stored tissue and preserves tissue architecture by minimizing tissue swelling. The tissue procurement solution further reduces calcium from the incoming water and/or tissue, and inhibits enzymes that digest the collagen matrix. The serial immersion of the tissue in the fresh bioburden solutions ensures optimal extraction of phospholipids thereby mitigating subsequent calcification of the tissue.
    • 用于处理生物假体中使用的生物组织的方法包括提供由磷酸盐缓冲盐水(PBS)溶液和螯合剂形成的组织采购溶液。 组织从组织采购溶液转移并进行化学固定。 然后将固定的组织浸入一系列新鲜的生物负载降低过程(BRP)溶液中以提取磷脂。 组织采购解决方案减少存储组织的生物负载,并通过最小化组织肿胀来保持组织结构。 组织采购解决方案进一步减少来自进入的水和/或组织的钙,并且抑制消化胶原蛋白基质的酶。 将组织连续浸入新鲜的生物负载溶液中确保磷脂的最佳提取,从而减轻随后的组织钙化。