A device for injecting a viscous material into a hard tissue

A - Human Necessities – 61 – M

Patent

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Details

A61M 5/34 (2006.01)

Patent

CA 2556718

An injection system for injection of a relatively high viscous material into hard tissue surrounded by soft tissue in an animal body. The injection system comprising an elongated tubular member having a proximal section defining a syringe chamber and a distal section defining a cannula The cannula having an inside diameter and an outside diameter and a length sufficient for insertion into the hard tissue. The proximal section defining the syringe chamber having an inside diameter greater than the inside diameter of the cannula, the proximal section adapted to be inserted in the soft tissue. The cannula having a bore communicating with the syringe chamber. The injection system comprising a syringe fitted for insertion within the syringe chamber of the proximal section. The syringe having an open end for communicating with the bore of the cannula. The syringe adapted for containing the high viscous material to be injected through the open end and the bore into the hard tissue respectively whereby the injection of the high viscous material is facilitated.

L'invention concerne un système d'injection destiné à l'injection d'une substance de grande viscosité dans un tissu dur entouré de tissu mou dans le corps d'un animal. Le système d'injection comprend un élément tubulaire allongé comportant une section proximale définissant une chambre de seringue et une section distale définissant un cathéter court. Ce cathéter court a un diamètre intérieur et un diamètre extérieur et une longueur suffisants pour pouvoir être inséré dans le tissu dur. La section proximale définissant la chambre de seringue a un diamètre intérieur supérieur à celui du cathéter court, la section proximale étant conçue pour être introduite dans le tissu mou. Le cathéter court possède un orifice qui communique avec la chambre de seringue. Le système d'injection comprend une seringue destinée à être insérée dans la chambre de seringue de la section proximale. La seringue possède une extrémité ouverte qui communique avec l'orifice du cathéter court. La seringue est conçue pour contenir la substance de grande viscosité à injecter par l'extrémité ouverte et l'orifice dans le tissu dur, respectivement, l'injection de la substance de grande viscosité étant ainsi facilitée.

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