Patent ID: 8114045
Filing Date: 2012-02-14
Classification: A61F

Abstract:
1. A medical device for the treatment of obesity in a patient having a stomach and pylorus leading from the stomach to the intestines, the pylorus having a pyloric sphincter, the medical device comprising: a pylorus plug positioned within and engaging the pylorus; the pylorus plug having a sleeve of flexible material defining a passageway therethrough, the passageway constructed to delay the emptying of contents from the stomach to the intestines; and the pylorus plug having an attachment portion structured to directly engage an interior of the pyloric sphincter, the attachment portion including an expandable member connected to a first end of the sleeve, the expandable member biased to an expanded configuration, the sleeve including a second end located opposite the first end, the second end not attached to the expandable member, wherein pressure from the stomach contents partially closes the passageway adjacent the second end to permit stomach contents to pass from the second end towards the first end, wherein the expandable member biases the first end of the sleeve open, and wherein the second end is not biased either open or closed.