Device for injecting bone cement

Details Device for injecting bone cement Device for injecting bone cement

A - Human Necessities

61

F

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

Patent

CA 2414351

The invention relates to a device for injecting bone cement. The aim of the invention is to improve such a device so that the direction of issuance of the bone cement, once the cannula has been introduced, can be controlled to a certain extent. To this end, the inventive device is provided with a radial outlet opening (5) on the front end of the cannula (3). Since the cannula (3) is introduced by way of a guiding wire (1), it has an opening (4) at its front end which must be closed by a ball (15) before the bone cement is injected. Said ball (15) is introduced by means of a plunger (16). The handle (17) of the cannula has an asymmetric shape so that the position of the radial opening (5) is always known even when the cannula (3) is introduced.

L'invention concerne dispositif permettant d'injecter du ciment osseux. L'invention vise à permettre de réguler la direction de sortie du ciment osseux après insertion d'une canule dans une région déterminée. A cet effet, il est prévu un orifice de sortie (5) axial situé à l'extrémité avant de la canule (3). Comme la canule (3) est introduite au moyen d'un câble de guidage (1), elle présente à son extrémité avant, une embouchure (4) qui doit être fermée par une bille (15) avant l'injection. Une tige poussoir (16) sert à introduire la bille (15). La poignée (17) de la canule présente également une forme asymétrique, de sorte que la position de l'orifice (5) radial soit connue à tout moment, même une fois la canule (3) introduite.

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