Blood extracting and centrifuging device

Details Blood extracting and centrifuging device Blood extracting and centrifuging device

A - Human Necessities

61

M

233/1

A61M 5/00 (2006.01) A61M 1/00 (2006.01)

Patent

CA 1183505

Abstract of Disclosure: A blood extracting and centrifuging device has a cylindrical body with front and rear ends. The front end is adapted to receive a removable cannula and a piston is sealingly movable within the cylindrical body. A piston rod is attached to the piston and extends through a bore at the rear end of the cylindrical body and is used to retract the piston, from an advanced position adjacent the front end to a retracted position adjacent the rear end, whereby to generate a vacuum in the cylindrical body for extracting blood via the cannula. An annular retaining projection on one of the piston and the piston rod, and an annular lip at the rear end of the cylindrical body, are provided to secure the piston to the cylindrical body in its retracted position. After a blood sample has been taken, the piston rod can be removed and the cylindrical body inserted directly in a centrifuge without the need to transfer the blood to a centrifuging vessel.

390228

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