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Tissue processor

Image Number 4 for United States Patent #5560956.

A tissue processor having a process chamber and at least one liquid reservoir. At least one auxiliary reservoir is connected between the process chamber and the at least one liquid reservoir. There is a means to drive liquid from the at least one liquid reservoir to the auxiliary reservoir, and from the auxiliary reservoir to the process chamber. Preferably, there is a second auxiliary reservoir and means to drive fluid from the process chamber back to the liquid reservoir. The apparatus and related method are useful to treat and fix biological tissue samples for microscopic examination.

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