Gastrointestinal anti-reflux prosthesis apparatus and method

A - Human Necessities – 61 – F

Patent

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A61F 2/04 (2006.01)

Patent

CA 2537307

A prosthesis (13) for implanting in an upper stomach to prevent gastric reflux in an esophagus comprising a tube (17) made of a biocompatible polymer that is resistant to gastric acid, the tube having an upper end and a lower end, a length, and a generally constant diameter along the entire length thereof, the upper end having means (16) for securing to the upper stomach, the lower end having at least one slit (18) to facilitate inversion of the tube during vomiting but to facilitate collapsing of the tube under pressure generated by gastric reflux.

L'invention concerne une prothèse (13) que l'on peut implanter dans l'estomac supérieur afin d'éviter les reflux gastriques dans un oesophage comprenant un tube (17) obtenu à partir d'un polymère biocompatible résistant aux acides gastriques, le tube présentant une extrémité supérieure et une extrémité inférieure, une longueur et un diamètre normalement constant sur toute la longueur. L'extrémité supérieure présente des moyens (16) de fixation à l'estomac supérieur alors que l'extrémité inférieure présente au moins une fente (18) facilitant l'inversion du tube pendant les vomissements et la rupture du tube sous l'effet de la pression générée par les reflux gastriques.

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