Laparoscopic sealant applicator

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/00 (2006.01) A61B 17/34 (2006.01) A61B 17/28 (2006.01)

Patent

CA 2284679

A laparoscopic applicator device (10) for the selective directional application of one or more liquids to a surgical site is disclosed. The device (10) comprises a handle (12) with liquid inlets (16, I8, 20) at one end, discrete channels within one or more tubes (21) connecting with said inlets (16, 18, 20) extending through said handle (12) to a nozzle (22), and a dual injection shaft (14) at the nozzle end for inserting the shaft (14) and nozzle (22) through a surgical trocar. The dual shaft (14) comprises a rigid portion immediately adjacent the handle (12) and a flexible portion near the nozzle tip. Means are provided preferably within the handle (12), for the controlled articulation of the flexible shaft (14)/nozzle (22) assembly, thereby providing application of the liquids in a desired direction. The present invention is particularly useful in the application of surgical sealants, e.g., fibrin sealants. Methods of applying such components are also a part of the invention.

L'invention porte sur un applicateur laparoscopique (10) permettant d'appliquer de manière directionnelle et sélective un ou plusieurs liquides sur un site chirurgical. Ce dispositif (10) comprend: une poignée (12) comportant, à une extrémité, les orifices d'admission (16, 18, 20) du liquide; des canaux séparés dans lesquels un ou plusieurs tubes (21) sont reliés, par les orifices d'admission (16, 18, 20) s'étendant dans la poignée (12), à un ajutage (22); et une double tige d'injection (14), à l'extrémité de l'ajutage, s'insérant avec l'ajutage (22) dans un trocart chirurgical. Cette double tige (14) comprend une partie rigide directement attenante à la poignée (12) et une partie flexible proche du bout de l'ajutage. Un élément est de préférence ménagé dans la poignée (12) en vue de commander l'articulation de l'ensemble tige flexible (14)/ajutage (22) de façon à appliquer les liquides dans un sens désiré. Cette invention est notamment utile dans l'application de matières obturantes chirurgicales telles que des matières obturantes à base de fibrine. Des procédés d'application de ces composants sont également décrits.

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