Bone marrow aspiration needle

Details Bone marrow aspiration needle Bone marrow aspiration needle

A - Human Necessities

61

B

A61B 5/00 (2006.01) A61B 10/00 (2006.01)

Patent

CA 2376989

The present invention provides an aspiration device that includes an outer cannula (16), a stylet (14), and an aspiration needle (80). The aspiration needle includes hollow cannula (82) and an aperture (93). The outer cannula (16) defines a distal tip (29) that is tapered to provide a distal cutting edge. The stylet (14) is designed to be inserted in the outer cannula (16). The stylet (14) also defines a sharp distal tip (30). The hollow cannula (82) designed to be inserted in the outer cannula (16). A distal end (91) of the hollow cannula (82) is closed and an aperture (93) is defined in a side of the hollow cannula (82).

L'invention concerne un dispositif de ponction qui comprend une canule extérieure (16), un stylet (14) et une aiguille de ponction (80). Cette dernière comprend une canule (82) et une ouverture (93). La canule extérieure (16) définit une pointe distale (29) effilée pour former un bord coupant distal. Le stylet (14) est conçu pour s'introduire dans la canule (16) et définit également une pointe distale tranchante (30). La canule creuse (82) est conçue pour s'introduire dans la canule extérieure (16). Une extrémité distale (91) de la canule creuse (82) est fermée et une ouverture (93) est définie dans un côté de ladite canule.

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