Patent ID: 8628554
Filing Date: 2014-01-14
Classification: A61F

Abstract:
1. An intragastric device configured for deployment in a stomach of a person, said device comprising: a wire structure having a pre-deployment shape with a first volume and a post-deployment shape with a second volume, wherein said first volume is less than said second volume and wherein said post-deployment shape is substantially spherical, said wire structure further comprising an upper hemisphere and a lower hemisphere wherein the upper hemisphere has a first surface area of openings configured to permit material to enter from outside the second volume to inside the second volume; a membrane covering only a portion of the lower hemisphere of said wire structure in its substantially spherical post-deployment shape, wherein said membrane in combination with said lower hemisphere have a second surface area of openings configured to permit material to pass between inside the second volume and outside the second volume, wherein the first surface area of openings in the upper hemisphere is greater than the second surface area of openings in the lower hemisphere; and a sleeve having a length, an enclosed body along said length, an open to end, and an open bottom end, wherein the open end of the sleeve is physically attached only to the lower hemisphere of said device, wherein said open end completely encircles openings of the second surface area of said lower hemisphere, and wherein the length of said sleeve has a length sufficient to extend distally away from the lower hemisphere of the device, through a patient's pylorus and duodenum, and into the patient's jejunum.