Device for intermittently obstructing a gastric opening and...

A - Human Necessities – 61 – F

Patent

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Details

A61F 5/00 (2006.01) A61M 31/00 (2006.01)

Patent

CA 2698729

The present invention relates to a device for intermittently obstructing a bodily opening, such as a gastric opening, and includes a proximal member connected to a distal member by a tether. The proximal member includes an apron member surrounding a first occluding member, which is formable from an elongated and narrower configuration to a contracted or expanded but wider configuration. When employed in the stomach, the device of the present invention is arranged transluminally, with the distal member disposed in the duodenum and the proximal member disposed against the pyloric valve, intermittently occluding the pyloric valve and preventing or delaying the flow of gastric contents through the pyloric valve. In certain embodiments, a reservoir may be included for releasing a substance of interest, for example for releasing insulin from a reservoir disposed in the distal member. Sensors, actuators, and data transmission devices may also be included.

La présente invention concerne un dispositif qui permet d'obstruer de façon intermittente un orifice corporel, tel qu'un orifice gastrique, et qui comprend un élément proximal relié à un élément distal par un dispositif d'attache. L'élément proximal comprend un élément formant tablier qui entoure un premier élément d'occlusion, lequel peut passer d'une configuration allongée et étroite à une configuration contractée ou dilatée mais plus large. Lorsqu'il est utilisé dans l'estomac, le dispositif de la présente invention se trouve en position transluminale, l'élément distal étant disposé dans le duodénum et l'élément proximal étant disposé contre la valvule pylorique, obstruant de façon intermittente la valvule pylorique et empêchant ou retardant le passage du flux du contenu gastrique à travers la valvule pylorique. Dans certains modes de réalisation, un réservoir peut être inclus pour la libération d'une substance d'intérêt, par exemple pour la libération d'insuline à partir d'un réservoir disposé dans l'élément distal. Des capteurs, des organes de commande, et des dispositifs de transmission de données peuvent également être inclus.

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