Devices for placement of partitions within a hollow body organ

A device gastroplasty, comprising: a first member acquisition comprising a cartridge assembly (26) containing at least one clamp inside for fixing the tissue and a second member acquisition comprising an anvil assembly (28 ) juxtaposed to each other along a first longitudinal axis, wherein at least one member of acquisition (26, 28) is movable relative to the first longitudinal axis between a delivery configuration and deployment configuration, and characterized by wherein: at least one of the acquisition members (26, 28) is adapted to adhere tissue therein by suction so that the tissue is positioned between the first and second acquisition members (26, 28).