Single control gastric band

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/02 (2006.01) A61F 5/00 (2006.01)

Patent

CA 2397550

The invention concerns a gastric band (1) formed with a flexible band (2) designed to be closed in the direction of its two end parts (5, 6) with a fastening system (7, 12, 13, 15, 20) around the stomach to reduce the diameter of the stoma opening, said band comprising an annular compression chamber with adjustable volume and substantially constant cross-section linked by an adjusting catheter (7) to a device adjusting (8) the internal pressure of said chamber to adjust its diametrical expansion. The invention is characterised in that the fastening system comprises means locking and releasing (12, 13) the ring borne by the adjusting catheter (7), enabling to ensure, from their locking position, the diametrical release of the ring by the relative movement of the two end parts. The invention is useful as a gastric implant for treating obesity (5, 6).

L'invention concerne un anneau de gastroplastie (1) formé par une bande souple (2) destinée à être fermée vers ses deux parties d'extrémité (5, 6) par un système de fermeture (7, 12, 13, 15, 20) autour de l'estomac pour réduire le diamètre de l'ouverture du stoma, ladite bande comportant une chambre de compression annulaire à volume réglable et à section sensiblement constante reliée par un cathéter de réglage (7) à un dispositif de réglage (8) de la pression interne de ladite chambre, pour régler son expansion diamétrale, caractérisé en ce que le système de fermeture comporte des moyens de blocage et desserrage (12, 13) de l'anneau qui sont portés par le cathéter de réglage (7), permettant d'assurer, à partir de leur position de blocage diamétral, le relâchement diamétral de l'anneau par déplacement relatif des deux parties d'extrémité. Implant gastrique pour traiter l'obésité (5, 6).

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