清洗刷用于清洗内窥镜(胃镜、肠镜、支气管镜等)器械通道内的手术残留物，比如血渍、组织碎屑等其他残留物。
Cleaning brush to clean the endoscope (gastroscopy, colonoscopy, bronchoscopy, etc.) devices within the channel operation residues, such as blood, tissue debris, and other residues.
研究表明手术后的感染率与残留在手术部位的组织碎屑有很大关系。
Studies indicate that the postoperative infection rate is closely related with the tissue dross remained in surgery position after operation.
组织病理学可见淋巴结皮质区或副皮质区坏死，代之以组织细胞及淋巴细胞增生，伴核碎屑，坏死区内无中性粒细胞浸润。
Histopathology shows the necrosis of cortex or paracortex of lymph node, with histiocytes and lymphocyte proliferation, nuclear debris and without infiltration of neutrophils.
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