Systems, devices and methods having an overtube for...

A - Human Necessities – 61 – B

Patent

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A61B 1/00 (2006.01) A61B 17/34 (2006.01)

Patent

CA 2702201

Medical systems, devices and methods are provided for accessing a bodily opening that, among other things, are safe, reliable and repeatable. A medical system for accessing a bodily opening generally includes a medical instrument and an overtube. The overtube defines an overtube lumen that is sized to receive the medical instrument. The overtube includes a distal end having a tapered portion and a plurality of longitudinally extending slits defining a plurality of flaps. The tapered portion of the overtube is sized relative to the medical instrument such that translation of the medical instrument through the distal end of the overtube forces the plurality of flaps to move radially outwardly.

La présente invention concerne des systèmes médicaux, des dispositifs médicaux et des procédés permettant d'accéder à une ouverture corporelle qui, entre autres choses, sont sûrs, fiables, et répétitifs. Un système médical permettant d'accéder à une ouverture corporelle comprend généralement un instrument médical et un surtube. Le surtube définit une lumière de surtube qui est dimensionnée pour recevoir l'instrument médical. Le surtube comprend une extrémité distale présentant une partie conique et une pluralité de fentes s'étendant longitudinalement et définissant une pluralité de rabats. La partie conique du surtube est dimensionnée relativement à l'instrument médical de telle sorte qu'une translation de l'instrument médical à travers l'extrémité distale du surtube force la pluralité de rabats à se déplacer radialement vers l'extérieur.

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