BYPASS DEVICE, SUPPORT FRAME FOR BYPASS DEVICE, AND METHOD

摘要

A liner support frame is configured to be positioned in a gastrointestinal tract of a human and to support a liner which inhibits nutrient absorption and anchor the liner in place in the gastrointestinal tract, the liner support frame includes a plurality of frame members connected to one another so that the liner support frame possesses a plurality of openings. The liner support frame includes a plurality of frame portions arranged axially and possessing different tapers.

主权项

1. A bypass device implantable in a gastrointestinal tract of a human, which includes small intestines, to inhibit absorption of nutrients, the bypass device comprising:
a support frame positionable in the gastrointestinal tract in an implanted condition of the bypass device, the support frame possessing a central axis and extending over an axial extent between opposite axial ends of the support frame; a liner fixed to the support frame so that in the implanted condition of the bypass device the liner is supported by the support frame and anchored in place in the gastrointestinal tract which includes small intestines, the liner being made of a material different from the support frame and being configured to extend away from the support frame and along at least a portion of the small intestines when the support frame is positioned in the gastrointestinal tract in the implanted condition of the bypass device; the support frame comprising a plurality of axially arranged wavy-shaped annular frame members positioned on opposite axial sides of an axial center of the support frame, with axially adjacent wavy-shaped annular frame members connected to one another so that the support frame possesses a plurality of diamond-shaped openings on the opposite axial sides of the axial center of the support frame; some of the diamond-shaped openings in the one frame portion possessing a different size than others of the diamond-shaped openings in the one frame portion; and some of the diamond-shaped openings in the other frame portion possessing a different size than others of the diamond-shaped openings in the other frame portion.