Apparatus and method to access bone marrow

Details Apparatus and method to access bone marrow Apparatus and method to access bone marrow

A - Human Necessities

61

B

A61B 10/00 (2006.01) A61B 17/32 (2006.01) A61B 17/34 (2006.01) A61B 17/00 (2006.01) A61B 17/16 (2006.01) A61B 19/00 (2006.01) A61M 1/00 (2006.01)

Patent

CA 2485910

An apparatus and method for penetrating bone marrow is provided. The apparatus may include a housing such asa handheld body, a penetrator assembly, a connector that releasably attaches the penetrator assembly to a drill shaft, a gear mechanism, a motor and a power supply and associated circuitry operable to power the motor. The penetrator assembly may include a removable inner trocar and an outer penetrator or needle. It may also include agrooved trocar that allows bone chips to be expelled as the apparatus is inserted into bone marrow. Various connectors are provided to attach the penetrator assembly to the drill shaft.

L'invention concerne un appareil et un procédé pour pénétrer dans la moelle osseuse. L'appareil comporte un boîtier tel qu'un élément portatif, un ensemble de pénétration, un connecteur qui relie de manière libérable l'ensemble de pénétration à une tige de forage, un mécanisme d'engrenage, un moteur et une alimentation en courant, ainsi qu'un ensemble de circuits associés servant à alimenter le moteur. L'ensemble de pénétration peut comprendre un trocart interne amovible et un instrument de pénétration externe ou une aiguille. Mais il peut aussi être doté d'un trocart à gorge qui permet d'extraire des écailles osseuses lors de l'insertion de l'appareil dans la moelle osseuse. La présente invention porte également sur différents connecteurs servant à relier l'ensemble de pénétration à la tige de forage.

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