Systems and methods for injecting flowable materials into bones

Details Systems and methods for injecting flowable materials into bones Systems and methods for injecting flowable materials into bones

A - Human Necessities

61

B

A61B 17/56 (2006.01) A61B 17/88 (2006.01) A61F 2/46 (2006.01)

Patent

CA 2296695

A tube body (30) includes an interior bore to carry a material flow into bone. The tube body (30) includes a dispensing end (32) having an opening (64) communicating with the bore to dispense the material flow. One embodiment provides a cutting element (100) which extends in the opening to permit passage of the material flow, and to sever the material flow in response to rotation of the tube body (30). Another embodiment deflects the dispensing end from the main axis of the tube body. Another embodiment provides a connector having a rotating fitting, which releasably connects the tube body (30) to a cement injecting tool.

Selon la présente invention, le corps d'un tube (30) comporte un alésage permettant de faire couler un matériau dans de l'os. Ce corps de tube (30) inclut une extrémité distributrice (32) dont un orifice (64) communique avec l'alésage de façon à distribuer le flux de matériau. L'une des réalisations comporte un élément coupant (100) qui passe dans l'orifice de façon à permettre le passage du flux de matériau et de fractionner le flux de matériau par une rotation du corps de tube (30). Une autre réalisation dévie de l'axe principal du corps de tube l'extrémité distributrice. Une autre réalisation encore comporte un connecteur pourvu d'un adaptateur à rotation qui relie libérable le corps de tube (30) à un outil d'injection de ciment.

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