Millipore Corporation

Nolwenn Stephan

Jerome Geyer

Mathieu Arrault

Sylvie Chavanne

The take-off needle comprises a main hollow lance having a distal end adapted to perform a pricking operation, said hollow lance being connected to two pipes each provided with a spigot for it to be connected to a tube, said needle further comprising a body for holding the main hollow lance, said holding body defining two internal cylindrical surfaces forming said pipes, the main hollow lance comprising, at its proximal end, a sleeve having an internal channel of which the distal end is connected to the proximal end of the main hollow lance, and of which the proximal end opens into the holding body, said sleeve comprising at its proximal end two crescent-shaped surfaces inclined towards the interior of the internal channel and towards the distal end of the sleeve, each of said crescent-shaped surfaces being disposed so as to extend in line with one of the internal cylindrical surfaces of the holding body.

Double take-off needle and method for producing it

A filter cartridge which comprises a filter pack () formed by a flat filtering medium, a tubular sheath () with a perforated wall, surrounding the filtering pack, and two respective end caps () having a first disc () and a second disc () placed one on top of the other, each made from thermoplastic, with a portion of the filtering pack () situated along one of its edges and a portion of the sheath () situated along one of its edges () which are embedded in the second disc (), with the first disc () having a peripheral rim () which surrounds the relevant portion of the sheath () and with the sheath having a shoulder () opposite the edge of the rim () of the first disc ().

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Illkirch, France

Nolwenn Stephan