Chemistry: molecular biology and microbiology – Animal cell – per se ; composition thereof; process of... – Method of detaching cells – digesting tissue or establishing...
Patent
1997-10-28
1999-05-04
Redding, David A.
Chemistry: molecular biology and microbiology
Animal cell, per se ; composition thereof; process of...
Method of detaching cells, digesting tissue or establishing...
4352992, 4353041, 4353081, 435261, 128757, 152202, C12M 300, A47L 100
Patent
active
059003740
ABSTRACT:
The invention concerns a cell culture harvesting device consisting of a scraper head with a blade and a guide strip, the scraper head and the guide strip being connected with one another only by magnetic attraction. The magnetic attraction is achieved by the fact that one of the ends of the scraper head and the guide strip which are turned toward one another have a magnet and the other has either a magnet or a material which can be magnetized by the magnet of the respective counterpart. In this way, the scraper head and the guide strip can be moved synchronously and in parallel at a distance from one another. This has the advantage that the scraper head can be placed into the cell culture vessel before a cell culture is started and can be sterilized together with it thereby eliminating the risk of contamination due to a cell culture harvesting device later being placed into the cell culture vessel. Furthermore, the scraper head can have a net-like collection container arranged on it which collects the cells lifted off the growth surface of the cell culture vessel in a manner that avoids damage to the cells.
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Heraeus Instruments GmbH & Co. KG
Redding David A.
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