Forensic pathological study on development of devices for immersion fixation of fragile brains with traumatic injury or of infants

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A new device for fixing human fragile brains, especially in the cases with severe injuries and in infant death cases, by an automatic floating system using a photo-sensor mechanism which controls the amount of glacial acetic acid to be added to the fixation fluid (20% saline formalin). The brains were removed in a specially designed container filled with water, and were fixed in the above mentioned device without sectioning. The results of staining for microscopic specimens had no problem not only in routine methods but also in immunohistological ones.