Intragastric implant devices
First Claim
1. A method for treating and/or diagnosing a patient, said method comprising:
- providing an anchor having a proximal atraumatic feature at a proximal end and a distal atraumatic feature at or adjacent a distal end with an elongate element extending therebetween, wherein the anchor includes a first radially expandable structure between the proximal and distal end of the elongate element and proximal of the distal atraumatic feature;
positioning the anchor within the gastrointestinal tract such that the distal atraumatic feature is within or adjacent the duodenum;
deploying the anchor within a gastrointestinal tract of the patient, by expanding the first radially expandable structure; and
inhibiting advancement of the deployed anchor around a bend of the gastrointestinal tract by engaging a proximal portion of the anchor against a first surface area of a mucosa of the gastrointestinal tract and by engaging a distal portion of the anchor against a second surface area of a mucosa of the gastrointestinal tract distal of the first mucosal surface area, and by resisting bending of the elongate element extending between the proximal and distal ends such that the distal atraumatic feature is maintained within the duodenum; and
supporting an intestinal bypass sleeve of the implant with the anchor so that the sleeve extends along an intestine of the patient while a proximal opening of the intestinal bypass sleeve is maintained within the duodenum so that a flow including ingested matter enters a lumen of the sleeve from a stomach of the patient, the flow being in contact with a wall of the stomach of the patient.
1 Assignment
0 Petitions
Accused Products
Abstract
An intragastric anchor implant device with an elongate member having proximal and distal ends with atraumatic features disposed thereon is described herein. The atraumatic features inhibit damage to the tissues of the stomach and the gastrointestinal tract and help anchor the device. The elongate member may be substantially rigid to resist bending and engage a tissue of the stomach or gastrointestinal tract to prevent passage therethrough and may include one or more bends to conform to the shape of the tract. The anchor implant device may be coupled with a therapeutic device, such as an intestinal bypass sleeve with a sliding seal, such as an expandable structure, that secures the sleeve to direct a flow of food particles from the stomach therethrough, for use in treating various disorders, including obesity and diabetes. Methods of deploying the anchor implant devices are also disclosed.
58 Citations
40 Claims
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1. A method for treating and/or diagnosing a patient, said method comprising:
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providing an anchor having a proximal atraumatic feature at a proximal end and a distal atraumatic feature at or adjacent a distal end with an elongate element extending therebetween, wherein the anchor includes a first radially expandable structure between the proximal and distal end of the elongate element and proximal of the distal atraumatic feature; positioning the anchor within the gastrointestinal tract such that the distal atraumatic feature is within or adjacent the duodenum; deploying the anchor within a gastrointestinal tract of the patient, by expanding the first radially expandable structure; and inhibiting advancement of the deployed anchor around a bend of the gastrointestinal tract by engaging a proximal portion of the anchor against a first surface area of a mucosa of the gastrointestinal tract and by engaging a distal portion of the anchor against a second surface area of a mucosa of the gastrointestinal tract distal of the first mucosal surface area, and by resisting bending of the elongate element extending between the proximal and distal ends such that the distal atraumatic feature is maintained within the duodenum; and supporting an intestinal bypass sleeve of the implant with the anchor so that the sleeve extends along an intestine of the patient while a proximal opening of the intestinal bypass sleeve is maintained within the duodenum so that a flow including ingested matter enters a lumen of the sleeve from a stomach of the patient, the flow being in contact with a wall of the stomach of the patient. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An implant for use in a gastrointestinal tract of a patient, said implant comprising:
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an anchor having a proximal atraumatic feature at the proximal end, a distal atraumatic feature at the distal end, and an elongate element extending therebetween; wherein the proximal and distal atraumatic features are configured to inhibit tissue trauma when urged against a surface area along a mucosa in the gastrointestinal tract of the patient, and wherein flexibility of the elongate element is limited so as to resist bending between the proximal and distal ends so as to inhibit advancement of the anchor around a bend of the gastrointestinal tract, wherein the anchor include a first radially expandable structure between the proximal and distal ends and proximal of the distal atraumatic feature, the first radially expandable structure being dimensioned to sit within the duodenum within or adjacent a duodenal bulb of the gastrointestinal tract when expanded therein so as to maintain the distal atraumatic feature within the duodenum; and an intestinal bypass sleeve supported with the anchor so that the sleeve extends along an intestine of the patient while a proximal opening of the intestinal bypass sleeve is maintained within the duodenum so that a flow including ingested matter enters a lumen of the sleeve from a stomach of the patient. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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Specification