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The aim of this study is to evaluate the integrity of adipocytes and adipose\u2010derived stromal\/stem cells (ADSCs) after their processing using two new mechanical devices operating with a closed system. In this study, two new fat processing systems were assessed. We also considered the biological results of the processing and compared them with the results obtained from Coleman\u2019s procedure, the golden standard procedure in fat processing. Histological evaluations revealed the preservation of the fat morphology after both processing types, with similar cellular yields of the extracted ADSCs. The adopted techniques enable the isolation of ADSCs with robust differentiation potential toward adipogenic, chondrogenic, and osteogenic lineages. Furthermore, adipose tissue samples exhibit high efficiency in extracellular vesicle secretion, indicating a promising potential for therapeutic and regenerative applications. The results suggest that the new systems allow the preservation of fat morphology, stemness, and regenerative potential. 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