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US 2010/0168791 A1Published application
Systems and methods for closing a hole in cardiac tissue
AssigneeCVDevices, LLC (a California limited liability company)
InventorsGhassan S. Kassab, Jose A. Navia, SR.
Life of this patent
Estimating the term…
Abstract
Systems and methods for closing a hold in cardiac tissue. In at least one embodiment of a system for closing a hole in cardiac tissue, the system comprises an engagement catheter having a first and second lumen extending therethrough, an elongated wire capable of insertion into the second lumen of the engagement catheter, a plug capable of insertion into the second lumen of the engagement catheter; an elongated shaft capable of insertion into the second lumen of the engagement catheter, wherein the elongated wire is sized for slidable insertion through the lumen of the shaft and the hole of the plug.
Claims26
A system for closing a hole in cardiac tissue, the system comprising:
- an engagement catheter comprising a proximal end, a distal end, first and second lumens extending between the proximal end and the distal end, and a vacuum port operatively connected to the first lumen of the engagement catheter at the proximal end of the engagement catheter, the vacuum port being capable of operative connection to a vacuum source, wherein the first lumen of the engagement catheter includes a suction port located at or near the distal end of the engagement catheter, the suction port configured to removably attach to a targeted tissue on the interior of a wall of the heart, such that the suction port is capable of forming a reversible seal with the targeted tissue when a vacuum source is operatively attached to the vacuum port;
- an elongated wire capable of insertion into the second lumen of the engagement catheter;
- a plug having a first end, a second end, and a hole extending from the first end to the second end, the plug being capable of insertion into the second lumen of the engagement catheter;
- and
- an elongated shaft having a proximal end, a distal end, and a lumen extending from the proximal end to the distal end, the elongated shaft being capable of insertion into the second lumen of the engagement catheter;
- wherein the elongated wire is sized for slidable insertion through the lumen of the shaft and the hole of the plug.
3 more elements
A system for closing a hole in cardiac tissue, the system comprising:
- an engagement catheter comprising a proximal end, a distal end, first and second lumens extending between the proximal end and the distal end, and a vacuum port operatively connected to the first lumen of the engagement catheter at the proximal end of the engagement catheter, the vacuum port being capable of operative connection to a vacuum source, wherein the first lumen of the engagement catheter includes a suction port located at or near the distal end of the engagement catheter, the suction port configured to removably attach to a targeted tissue on the interior of a wall of the heart, such that the suction port is capable of forming a reversible seal with the targeted tissue when a vacuum source is operatively attached to the vacuum port;
- a delivery catheter comprising a proximal end, a distal end, and a hollow tube extending between the proximal end and the distal end, the delivery catheter configured such that the hollow tube is capable of insertion into the second lumen of the engagement catheter;
- an elongated delivery wire having a proximal end and a distal end, the distal end of the delivery wire being, capable of insertion through the hollow tube of the delivery catheter;
- and
- a closure member having a first face and a second face, the closure member being capable of transitioning from a folded configuration within the hollow tube of the delivery catheter to an expanded configuration outside of the hollow tube of the delivery catheter;
- wherein the first face of the closure member is configured for reversible attachment to the distal end of the delivery wire.
3 more elements
A method for closing a hole in a targeted tissue of a heart, the method comprising the steps of:
- contacting a targeted tissue in the interior of a heart with a distal end of an elongated tube, the elongated tube having a first lumen and a second lumen;
- aspirating the targeted tissue such that the targeted tissue is retracted away from a pericardial sac surrounding the heart and a pericardial space between the pericardial sac and the targeted tissue is enlarged;
- inserting through the first lumen of the elongated tube a delivery catheter having a lumen;
- inserting an elongated delivery wire through the lumen of the delivery catheter, the elongated delivery wire having an external cover that is capable of transitioning from a folded configuration within the lumen of the delivery catheter to an expanded configuration outside of the lumen of the delivery catheter, the external cover being reversibly attached to a distal end of the delivery wire;
- delivering the external cover through the hole in the targeted tissue into the pericardial space;
- placing the external cover onto the targeted tissue from the pericardial space;
- releasing the external cover from the delivery wire;
- and
- withdrawing the delivery wire from the targeted tissue.
6 more elements
A method for closing a hole in a targeted tissue of a heart, the method comprising the steps of:
- inserting a wire through a lumen of an elongated tube and through a hole in a targeted tissue, the elongated tube having a proximal end and a distal end adjacent to the targeted tissue;
- inserting into the lumen of the elongated tube and over the wire a plug having a first end, a second end, and a hole extending from the first end to the second end;
- inserting into the lumen of the elongated tube and over the wire an elongated shaft having a proximal end, a distal end, and a hole extending from the proximal end to the distal end;
- sliding the elongated shaft toward the distal end of the elongated tube until the plug approaches the hole in the targeted tissue;
- inserting the plug into the hole in the targeted tissue;
- and
- withdrawing the elongated shaft from the elongated tube,
4 more elements
A system for closing a hole in a targeted tissue, comprising:
- a closure member having a head and a plurality of arms extending from the head, the closure member capable of transitioning between an open position and a closed position;
- and
- a delivery catheter comprising a proximal end, a distal end, and a hollow tube extending between the proximal end and the distal end, the delivery catheter configured such that the closure member is capable of insertion into the hollow tube when the closure member is in the open position.
A method for closing a hole in a targeted tissue of a heart, the method comprising the steps of:
- providing a closure member having a head and a plurality of arms extending from the head, the closure member capable of transitioning between an open position and a closed position;
- delivering the closure member to a heart through a delivery catheter comprising a proximal end, a distal end, and a hollow tube extending between the proximal end and the distal end, the delivery catheter configured such that the closure member is capable of insertion into the hollow tube when the closure member is in the open position;
- deploying the closure member such that the closure member contacts a targeted tissue of the heart and transitions to the closed position.
Dependencies are inferred from the claim text.