Positioning tools and methods for implanting medical devices
First Claim
1. A method of implanting a satiation device in an upper gastro-intestinal region of a body, comprising the steps of:
- positioning on a distal portion of an elongate positioning tool, a self-expanding satiation device having a plurality of anchor loops, with a plurality of mandrels in the tool being releasably attached to the anchor loops to support the satiation device on the positioning tool;
inserting the positioning tool with the satiation device thereon contained within a sheath through an oral cavity and into a portion of the upper gastro-intestinal tract;
expelling the satiation device from the sheath,independently manipulating the mandrels of the positioning tool from each other to position the satiation device in contact with tissue at an implant location, wherein the manipulating step can be controlled manually by a user;
coupling the satiation device to surrounding tissue at the attachment location;
separating the satiation device from the positioning tool; and
withdrawing the positioning tool from the body, leaving the satiation device positioned to restrict flow of ingested food from the esophagus into the mouth.
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Accused Products
Abstract
Described herein is a positioning tool having an elongate portion for carrying a medical implant. Also described is a method of positioning a medical implant using an elongate positioning tool. One form of the method includes positioning a medical implant on a distal portion of an elongate positioning tool, inserting the positioning tool with the implant thereon into a body cavity, manipulating the positioning tool to position the implant into contact with tissue at an attachment location, attaching the implant to surrounding tissue at the attachment location, separating the implant from the positioning tool, and withdrawing the positioning tool from the body. In a preferred embodiment, the position of the implant is visually confirmed using an endoscope before the implant is attached to surrounding tissue. In one embodiment, the implant is a satiation device and the body cavity is the esophagus and/or stomach. In an alternative embodiment, an expansion structure on the distal end of the elongate portion expands and/or contracts the medical implant to facilitate positioning.
435 Citations
20 Claims
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1. A method of implanting a satiation device in an upper gastro-intestinal region of a body, comprising the steps of:
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positioning on a distal portion of an elongate positioning tool, a self-expanding satiation device having a plurality of anchor loops, with a plurality of mandrels in the tool being releasably attached to the anchor loops to support the satiation device on the positioning tool; inserting the positioning tool with the satiation device thereon contained within a sheath through an oral cavity and into a portion of the upper gastro-intestinal tract; expelling the satiation device from the sheath, independently manipulating the mandrels of the positioning tool from each other to position the satiation device in contact with tissue at an implant location, wherein the manipulating step can be controlled manually by a user; coupling the satiation device to surrounding tissue at the attachment location; separating the satiation device from the positioning tool; and withdrawing the positioning tool from the body, leaving the satiation device positioned to restrict flow of ingested food from the esophagus into the mouth. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification