A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 5/00 (2006.01)
Patent
CA 2642562
The invention relates to an expandable intragastric balloon (1) to be implanted in, and subsequently removed from, the stomach (2) of a patient through natural orifices as part of a treatment for obesity. The intragastric balloon (1) includes an outer casing (3) which is sufficiently flexible that it can change from a first configuration, known as the introduction configuration, to a second configuration, known as the deployed configuration in which the balloon adopts the functional shape thereof. The balloon (1) is characterised in that it includes means for configuring same in an extraction configuration (10), said means exerting a stress on the intragastric balloon (1) such that it changes from the deployed configuration to a third noticeably-smaller contracted volume configuration, known as the extraction configuration, by acting on the outer casing (3) such that the casing (3) essentially returns to or towards a predetermined shape corresponding to the extraction configuration. The invention is suitable for intragastric balloons.
L'invention concerne un ballon intra-gastrique (1) expansible destiné à être implanté dans, puis retiré de l'estomac (2) d'un patient par les voies naturelles dans le cadre d'un traitement de l'obésité, ledit ballon intra- gastrique (1) comportant une enveloppe externe (3) suffisamment souple pour passer d'une première configuration, dite configuration d'introduction, à une seconde configuration, dite configuration déployée, dans laquelle le ballon présente sa forme fonctionnelle, ledit ballon (1) étant caractérisé en ce qu'il comporte des moyens de mise en configuration d'extraction (10) aptes à exercer sur ledit ballon intra- gastrique (1) une contrainte pour faire passer ce dernier de ladite configuration déployée à une troisième configuration contractée de volume sensiblement inférieur, dite configuration d'extraction, en agissant sur l'enveloppe externe (3) de telle sorte que ladite enveloppe externe (3) retrouve sensiblement, ou tende vers, une forme prédéterminée correspondant à ladite configuration d'extraction. Ballons intra-gastriques.
Blake Cassels & Graydon Llp
Compagnie Europeene D'etude Et de Recherche de Dispositifs Pour
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