Apparatus and method to access the bone marrow

Details Apparatus and method to access the bone marrow Apparatus and method to access the 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 2485904

An apparatus for removing portions of bone marrow from a bone is provided. The apparatus includes a housing and a hollow drive shaft operable to engage a gear assembly. The hollow drive shaft includes a first end operable to penetrate the bone and a second end operable to allow retrieval of portions of bone and bone marrow. The apparatus also includes a removable trocar. The removable trocar includes an inner channel operable to convey portions of bone and bone marrow. The gear assembly is able to engage and rotate the hollow drive shaft. A motor operable to drive the hollow drive shaft into the bone marrow by rotation of the hollow drive shaft and a power supply and associated circuitry operable to power the motor are also included.

L'invention concerne un dispositif pour l'extraction de parties de moelle osseuse, qui comprend une enceinte et un arbre d'entraînement creux entraînant un engrenage. Cet arbre comporte des première et seconde extrémités, la première pénétrant l'os et la seconde assurant l'extraction de parties d'os et de moelle. Le dispositif comprend aussi un trocart amovible à canal interne acheminant les parties d'os et de moelle. L'engrenage s'engrène avec l'arbre et le fait tourner. Un moteur d'entraînement fait pénétrer l'arbre dans la moelle par rotation. Le dispositif comprend enfin un système d'alimentation et des circuits associés pour le fonctionnement du moteur.

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