Devices and methods for treatment of obesity

A - Human Necessities – 61 – F

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A61F 5/00 (2006.01)

Patent

CA 2646134

Implantable devices, instruments, kits and systems for treatment of obesity. One or more devices can be implanted adjacent to or in contact with the stomach to occupy a space to prevent the stomach from expanding into that space as food is taken into the stomach. Alternatively, one or more devices may be implanted and expanded to displace at least a portion of the wall of the stomach to decrease the internal volume of the stomach that is available to receive food. Devices may be anchored to one or more internal structures at one or more locations without piercing through the wall- of the stomach. Devices can be implanted using minimally invasive methods, such as percutaneous or laparoscopic methods. Delivery instruments are also provided. An intra-gastric sizing device is provided to facilitate implantation of an extra-gastric device in some method embodiments.

Dispositifs implantables, instruments, kits et systèmes de traitement de l'obésité. Un ou plusieurs dispositifs peuvent être implantés en position adjacente à l'estomac ou au contact de celui-ci de manière à occuper un espace que l'estomac ne peut pas remplir lorsqu'il se dilate suite à l'ingestion de nourriture. En variante, un ou plusieurs dispositifs peuvent être implantés et dilatés de manière à déplacer une partie au moins de la paroi de l'estomac et en réduire ainsi le volume intérieur susceptible de recevoir de la nourriture. Des dispositifs peuvent être ancrés à une ou plusieurs structures internes au niveau d'un ou de plusieurs emplacements sans nécessiter la perforation de la paroi de l'estomac. Des dispositifs peuvent être implantés par des procédés mini-invasifs, tels que des procédés percutanés ou laparoscopiques. L'invention concerne également des instruments d'implantation. Certains modes de réalisation de procédés de l'invention font appel à un dispositif de dimensionnement intragastrique facilitant l'implantation d'un dispositif extragastrique.

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