Threaded syringe

Details Threaded syringe Threaded syringe

A - Human Necessities

61

F

A61F 2/46 (2006.01) A61B 17/56 (2006.01) A61M 5/315 (2006.01)

Patent

CA 2457130

The invention relates to a syringe (13) for delivery of a bone substituted material. The syringe (10) includes a barrel (12) for holding the material, a plunger (14) receivable within the barrel (12) and having a threaded portion, and an engagement member (13) including a threaded throughbore (50) positioned coaxial with the barrel (12). The threaded portion of the plunger (14) is movable through the threaded throughbore (50) barrel (12) by pushing the plunger (14) in the axial direction, and by rotating the plunger (14). The invention also relates to a method of expelling material from a syringe (10).

L'invention concerne une seringue servant à injecter un substitut osseux. Cette seringue comprend un cylindre pour contenir le produit, un piston doté d'une partie filetée qui coulisse dans le cylindre, et enfin, un élément d'accouplement comportant un alésage traversant fileté coaxial avec le cylindre. En poussant et en faisant tourner le piston dans la direction axiale, la partie filetée du piston passe par l'alésage traversant et coulisse dans le cylindre. L'invention concerne par ailleurs un procédé d'expulsion dudit produit de la seringue.

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