Apparatus and methods for forming gastrointestinal tissue approximations
AssigneeUSGI Medical, Inc.
InventorsRichard C. Ewers, Boris Reydel, Cang Lam, Eugene G. Chen, Brent D. Seybold, Rodney Brenneman, Vahid Saadat
Life of this patent
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Abstract
Apparatus and methods are provided for forming a gastrointestinal tissue fold by engaging tissue at a first tissue contact point, moving the first tissue contact point from a position initially distal to a second tissue contact point to a position proximal of the second contact point to form a tissue fold, and extending an anchor assembly through the tissue fold near the second tissue contact point.
Claims15
Apparatus for forming a tissue fold in a tissue wall of a gastrointestinal lumen, comprising:
- a catheter having a proximal region and a distal region;
- a second flexible tube at the distal region;
- a tissue grabbing assembly on the second flexible tube;
- a first flexible tube supported by the catheter;
- an anchor delivery system in the first flexible tube including a hollow needle for delivering an anchor assembly across a tissue fold;
- and
- a pivot link having a second end pivotally attached to the second flexible tube adjacent to the tissue grabbing assembly, and the pivot link having a first end pivotally attached to the first tube.
Apparatus for forming a tissue fold in a tissue wall of a gastrointestinal lumen, comprising:
- a catheter having a proximal region and a distal region;
- a second flexible tube at the distal region;
- a tissue grabbing assembly on the second flexible tube
- a first flexible tube supported by the catheter;
- an anchor delivery system in the first flexible tube comprising an anchor assembly disposed on or within a needle, and
- a pivot link having a second end pivotally attached to the second flexible tube adjacent to the tissue grabbing assembly, and the pivot link having a first end pivotally attached to the first tube.
Apparatus comprising:
- a catheter;
- a first tube attached to the catheter and having a bendable distal section;
- a hollow needle within the first tube, with the hollow needle having a piercing tip;
- a push rod within the hollow needle;
- at least two anchor assemblies within the hollow needle, between the push rod and the piercing tip;
- a second tube extendable through the catheter and having a bendable distal section;
- a tissue grabber on the second tube;
- and
- a link having a first end pivotally attached to the first tube and having a second end pivotally attached to the second tube, with the link limiting movement of the tissue grabber relative to the first tube.
Dependencies are inferred from the claim text.