Device for mixing and homogenizing materials in laboratory...

Solid material comminution or disintegration – Apparatus – Cooperating comminuting surfaces

Reexamination Certificate

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C241S046110, C241S199900

Reexamination Certificate

active

10468670

ABSTRACT:
A device for mixing and homogenizing materials, especially infectious or chemically aggressive materials, which can be inserted into a laboratory test container. A disposable lid is provided to hermetically seal said laboratory test container. A stirring element is provided in the disposable lid for processing the material that is introduced into the laboratory test container. Said stirring element is fitted with a cutting element that rotates about the longitudinal axis of the laboratory test container, said cutting element processing the material together with additional cutting edges. Complete homogenization of tissue fragments can be securely achieved by hermetically closing the laboratory test container.

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patent: 4948056 (1990-08-01), D'Errico
patent: 5174508 (1992-12-01), Martin
patent: 5533683 (1996-07-01), Fay et al.
patent: 5829696 (1998-11-01), DeStefano et al.
patent: 36 38 656 (1988-05-01), None
patent: 195 32 015 (1997-03-01), None
patent: 820574 (1959-09-01), None

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