Method and apparatus for treating obesity and controlling weight gain using self-expanding intragastric devices
AssigneeOnciomed, Inc.
InventorRaj Nihalani
Life of this patent
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Abstract
The invention generally relates to a method and apparatus to treat obesity and controlling weight gain. In an exemplary embodiment, the invention relates to a covered cage device that is implanted within a human's stomach to occupy volume and cause a reduced desire for eating. The covered cage device is made from a wire-mesh, such a Nitinol, and can be adjustable and collapsible. In another embodiment, the covered cage device has edges that provide stimulation to the stomach to induce a feeling of fullness.
Claims20
An intragastric space-occupying apparatus configured to be positioned within a stomach of a mammal for treating excessive weight or obesity, comprising:
- a first device having a cylindrical shape and configured to be positioned within the stomach;
- a second device having a cylindrical shape and connected to the first device, the second device being larger in size than the first device;
- and
- a third device having a cylindrical shape and connected to the second device, the third device being smaller in size than the second device, and the third cage being larger in size than the first device.
An intragastric space-occupying device configured to be positioned within a stomach for treating excessive weight or obesity in mammals, comprising:
- a first cage configured to be positioned along a lesser curvature of the stomach, the first cage having closed ends and a first rail;
- a second cage configured to be connected to the first cage, the second cage having open ends, a hollow channel between the open ends, a first track configured to be connected to the first rail, and a second track;
- and
- a third cage configured to be connected to the second cage, and configured to be positioned along a greater curvature of the stomach, the third cage having closed ends and a second rail configured to be connected to the second track.
An intragastric space-occupying device configured to be positioned within a stomach for treating excessive weight or obesity in mammals, comprising:
- a self-expanding wire mesh having an open top portion and an open bottom portion;
- a hollow center channel extending from the open top portion to the open bottom portion;
- and
- an elastomeric material positioned on the self-expanding wire mesh.
Dependencies are inferred from the claim text.