Patent ID: 7914461

Claim:
A bone-marrow extraction system, comprising: a bone-marrow extraction and/or injection device comprising: a grip zone; and a needle presenting at least one side orifice; wherein said needle is fastened onto a needle holder, and a protective sleeve surrounds at least part of said needle, said protective sleeve being mounted to move relative to said needle between a closed position of said at least one side orifice and an open position of said at least one side orifice, and said needle holder including reception means that are suitable for co-operating with fastener means of said protective sleeve so as to hold said protective sleeve in the closed position or in the open position; and said fastener means include a pair of claws disposed diametrically opposite to one another, each claw being pivotally mounted, and presenting a manual actuation surface and a projection; and a mixing chamber that is connected to said needle of the device, and to at least one inlet channel and at least one outlet channel; wherein an inlet channel is connected to a source of anticoagulant.