Inflatable devices for separating layers of tissue

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/02 (2006.01) A61B 17/34 (2006.01) A61B 17/00 (2006.01) A61B 19/00 (2006.01)

Patent

CA 2215392

An apparatus and method for separating tissue layers and providing a working space for performing a medical procedure. A first balloon is inserted between the tissue layers and inflated to dissect the tissue layers. A second balloon is also positioned between the tissue layers and inflated to retract the tissue layers. The first balloon is then deflated and punctured with a sharp instrument to create an opening in the first balloon. The second balloon is positioned to impede the escape of insufflation fluid from the working space and the working space is then insufflated. An instrument for performing the medical procedure may then be introduced into the working space through the opening in the first balloon.

La présente invention concerne un appareil et un procédé qui permettent de séparer les différentes couches de tissus afin de ménager un espace de travail pour procéder à une intervention médicale. Un premier ballonnet est inséré entre les couches de tissus puis gonflé pour que lesdites couches puissent être disséquées. Un deuxième ballonnet est également positionné entre les couches de tissus puis gonflé pour assurer la rétraction de celles-ci. Le premier ballonnet est ensuite dégonflé et percé à l'aide d'un instrument pointu pour créer une ouverture dans ledit premier ballonnet. Le deuxième ballonnet est positionné de façon à empêcher que le fluide d'insufflation ne s'échappe de l'espace d'intervention, à la suite de quoi cet espace est insufflé. On peut alors introduire dans l'espace d'intervention, par l'ouverture effectuée dans le premier ballonnet, un instrument permettant de procéder à l'intervention médicale.

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