Medical injection apparatus

A - Human Necessities – 61 – M

Patent

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Details

A61M 5/178 (2006.01) A61M 5/315 (2006.01) A61M 5/32 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2455326

An injection apparatus includes components that facilitate injection of relatively viscous materials into a patient. An injection apparatus may include a transition-bore needle apparatus, which has a proximal end, a distal end, and a lumen extending from the proximal end to the distal end, in which the diameter of the proximal end is greater than the diameter of the distal end. An injection apparatus may include a hand-held injection facilitation apparatus, which may be coupled to a syringe. The hand-held injection facilitation apparatus can include a pivot arm and a body with a rod disposed within the body and coupled to the pivot arm. Movement of the pivot arm results in a proximal or distal movement of the rod within the body to effectively cause material to be expelled from the syringe. An injection apparatus may include a transition-bore needle apparatus and a hand-held injection facilitation apparatus in combination.

Cette invention concerne un appareil d'injection doté de composants qui facilitent l'injection de produits relativement visqueux dans l'organisme. Cet appareil peut comporter un dispositif à aiguille avec conduit de transition présentant une extrémité proximale et une extrémité distale reliées par une lumière dont le diamètre est plus important au niveau de l'extrémité proximale qu'au niveau de l'extrémité distale. L'appareil d'injection peut comporter un dispositif facilitant l'injection, à commande manuelle, pouvant être relié à une seringue. Le dispositif facilitant l'injection peut comporter un bras pivotant et un corps renfermant une tige reliée au dit bras pivotant. Le déplacement du bras pivotant entraîne un mouvement proximal ou distal de la tige dans le corps dont le résultat est de chasser efficacement le produit hors de la seringue. L'appareil d'injection peut comporter une combinaison de dispositif à aiguille avec passage de transition de dispositif facilitant l'injection à commande manuelle.

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