Intragastric implants with collapsible frames
First Claim
1. An intragastric obesity treatment implant, comprising:
- a first collapsible/expandable frame formed of a first plurality of spaced struts each extending between first end poles along a generally helical path, the first frame having a size sufficient to contact the interior stomach walls upon contraction thereof, the first frame being capable of being converted into a substantially linear delivery configuration by displacing the first end poles away from one another and being formed of a material that will resist degradation over a period of at least six months within the stomach;
a second collapsible/expandable frame formed of a second plurality of spaced struts each extending between second end poles along a generally helical path; and
an intermediate tether connecting the first and second frames in series.
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Accused Products
Abstract
Transoral obesity treatment devices and related methods for operation thereof are described which occupy space within a stomach and/or stimulate the stomach wall. The transoral obesity treatment devices and related methods are intended to assist a patient in maintaining a healthy body weight. Features of the devices include insertion transorally and without invasive surgery, without associated patient risks of invasive surgery, and without substantial patient discomfort. The life span of these devices may be material-dependent upon long-term survivability within an acidic stomach, but is intended to last one year or longer. The devices have the capacity to vary in size and are desirably self-actuating in that they change shape and/or volume using internal motors or actuators. The changing character of the devices helps prevent the person'"'"'s stomach from compensating for the implant, such as sometimes happens with static intragastric devices.
264 Citations
18 Claims
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1. An intragastric obesity treatment implant, comprising:
a first collapsible/expandable frame formed of a first plurality of spaced struts each extending between first end poles along a generally helical path, the first frame having a size sufficient to contact the interior stomach walls upon contraction thereof, the first frame being capable of being converted into a substantially linear delivery configuration by displacing the first end poles away from one another and being formed of a material that will resist degradation over a period of at least six months within the stomach;
a second collapsible/expandable frame formed of a second plurality of spaced struts each extending between second end poles along a generally helical path; and
an intermediate tether connecting the first and second frames in series.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An intragastric obesity treatment implant, comprising:
a collapsible/expandable frame formed of a plurality of spaced articulable struts each extending between end poles, the frame having a relaxed generally spherical configuration with a size sufficient to contact the interior stomach walls upon contraction thereof, the frame being capable of being converted into a substantially linear delivery configuration by displacing the poles away from one another and being formed of a material that will resist degradation over a period of at least six months within the stomach, wherein the struts include joints displaced between the end poles. - View Dependent Claims (17, 18)
Specification