Methods, devices, and systems for obesity treatment
DC CAFCFirst Claim
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1. A free floating, untethered gastric balloon structure for deploying in a gastric cavity of a patient, comprising:
- at least two isolated non-concentric inflatable chambers, wherein each chamber of the at least two isolated non-concentric inflatable chambers has a respective inflated state volume such that deflation of any single chamber of the at least two isolated non-concentric inflatable chambers leaves the inflated state volume of the remaining chambers of the at least two isolated non-concentric inflatable chambers unaffected;
a valve system for introducing a fluid into the at least two isolated non-concentric inflatable chambers and for retaining, upon inflation, the fluid in the at least two isolated non-concentric inflatable chambers; and
a flexible member spanning a gap between and fixedly attached to both a first chamber of the at least two isolated non-concentric inflatable chambers and a second chamber of the at least two isolated non-concentric inflatable chambers, said flexible member carrying inflation tubes that are in fluid communication with the at least two isolated non-concentric inflatable chambers;
wherein the gastric balloon structure is configured to float freely in the patient'"'"'s gastric cavity and is not connected to any catheter, lumen or tether after deployment in the patient'"'"'s gastric cavity;
wherein the gastric balloon structure, in its inflated state, assumes a curved shape conforming to a natural three-dimensional kidney shape of the gastric cavity, such that the flexible member flexibly conforms, upon at least partially filling the at least two isolated non-concentric inflatable chambers, the gastric balloon structure to the natural three-dimensional kidney shape of the gastric cavity.
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Abstract
In one aspect, a gastric balloon structure includes multiple isolated non-concentric inflatable chambers and a valve system for introducing fluid into each chamber, where the structure assumes, upon inflating, a curved shape conforming to a natural three-dimensional kidney shape of the gastric cavity.
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Citations
23 Claims
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1. A free floating, untethered gastric balloon structure for deploying in a gastric cavity of a patient, comprising:
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at least two isolated non-concentric inflatable chambers, wherein each chamber of the at least two isolated non-concentric inflatable chambers has a respective inflated state volume such that deflation of any single chamber of the at least two isolated non-concentric inflatable chambers leaves the inflated state volume of the remaining chambers of the at least two isolated non-concentric inflatable chambers unaffected; a valve system for introducing a fluid into the at least two isolated non-concentric inflatable chambers and for retaining, upon inflation, the fluid in the at least two isolated non-concentric inflatable chambers; and a flexible member spanning a gap between and fixedly attached to both a first chamber of the at least two isolated non-concentric inflatable chambers and a second chamber of the at least two isolated non-concentric inflatable chambers, said flexible member carrying inflation tubes that are in fluid communication with the at least two isolated non-concentric inflatable chambers; wherein the gastric balloon structure is configured to float freely in the patient'"'"'s gastric cavity and is not connected to any catheter, lumen or tether after deployment in the patient'"'"'s gastric cavity; wherein the gastric balloon structure, in its inflated state, assumes a curved shape conforming to a natural three-dimensional kidney shape of the gastric cavity, such that the flexible member flexibly conforms, upon at least partially filling the at least two isolated non-concentric inflatable chambers, the gastric balloon structure to the natural three-dimensional kidney shape of the gastric cavity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An obesity treatment system for deployment in a stomach of a patient such that the system is free-floating and untethered after deployment, comprising:
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a plurality of adjacent, non-concentric, spaced apart inflatable space-filling compartments, wherein each compartment of the plurality of inflatable space-filling compartments has a respective inflated state volume during treatment of the patient; and at least two valves to introduce at least one fluid into each of the plurality of inflatable space-filling compartments and to retain, after inflation, fluid in the plurality of inflatable space-filling compartments, wherein each valve is a one-way valve and wherein at least one of the at least two valves has a proximal end configured to removably attach to an inflation tube; wherein the plurality of inflatable space-filling compartments form, upon at least partially filling the plurality of inflatable space-filling compartments, a dual balloon system that is configured to float within the stomach; wherein the dual-balloon system is configured to float freely in the patient'"'"'s stomach and is not connected to any catheter, lumen or tether after deployment in the patient'"'"'s stomach; wherein, upon inflation, the dual balloon system is configured to float within the stomach without exerting pressure at any point in the stomach sufficient to cause abrasion, pressure induced lesions, or other trauma. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23)
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Specification