Method and device for treating dysfunctional cardiac tissue

• US 9,259,319 B2
• Filed: 08/13/2013
• Issued: 02/16/2016
• Est. Priority Date: 08/19/2005
• Status: Active Grant

• Current Assignee: Bioventrix, Inc.
• Original Assignee: Bioventrix, Inc.
• Inventors: Chin, Sing-Fatt, Annest, Lon, O'Reilly, Robert
• Primary Examiner(s): Marmor, II, Charles A
• Assistant Examiner(s): Dorna, Carrie R
• Application Number:
  US13/966,049
• Publication Number:
  US 20140051916A1
• Time in Patent Office: 917 Days
• Field of Search: 600/16, 600/37, 600/201, 600/204, 600/206, 600/208, 600/210, 606/157
• US Class Current: 1/1
• CPC Class Codes: A61B 17/00234 for minimally invasive surgery A61B17/0218, A61B17/0469, A61B17/12013, A61B17/1285, A61B17/29, A61B17/320016 take precedence
• CPC Class Codes: A61B 17/0401 Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors A61B17/0642 takes precedence; fixation devices for tendons or ligaments A61F2/0811
• CPC Class Codes: A61B 17/0467 Instruments for cutting sutures surgical cutting instruments A61B17/32
• CPC Class Codes: A61B 17/0469 Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
• CPC Class Codes: A61B 17/06004 Means for attaching suture to needle tipping A61B17/06195; connecting wire to other metallic objects B21F15/00
• CPC Class Codes: A61B 17/0644 penetrating the tissue, deformable to closed position
• CPC Class Codes: A61B 17/068 Surgical staplers , e.g. containing multiple staples or clampsstaplers containing only one staple A61B17/10; magazines or containers for staples A61B17/105; for performing anastomosis A61B17/115; staplers in general B25C5/00
• CPC Class Codes: A61B 17/1227 Spring clips
• CPC Class Codes: A61B 17/1285 for minimally invasive surgery
• CPC Class Codes: A61B 2017/00243 cardiac
• CPC Class Codes: A61B 2017/0404 Buttons
• CPC Class Codes: A61B 2017/06052 Needle-suture combinations in which a suture is extending inside a hollow tubular needle, e.g. over the entire length of the needle hollow suture needles A61B2017/061
• CPC Class Codes: A61B 2017/06176 with protrusions, e.g. barbs
• CPC Class Codes: A61B 2017/0647 having one single leg, e.g. tacks
• CPC Class Codes: A61B 2017/306 holding by means of suction
• CPC Class Codes: A61B 2017/308 with suction cups
• CPC Class Codes: A61F 2/2481 Devices outside the heart wall, e.g. bags, strips or bands
• CPC Class Codes: A61F 2/2487 Devices within the heart chamber, e.g. splints

Abstract

Various methods and devices are provided for reducing the volume of the ventricles of the heart. In one embodiment, a method for reducing the ventricular volume of a heart chamber is provided including the steps of inserting an anchoring mechanism onto dysfunctional cardiac tissue, deploying one or more anchors into the dysfunctional cardiac tissue, raising the dysfunctional cardiac tissue using the anchors, and securing the anchors to hold the dysfunctional cardiac tissue in place. Further, a device for reducing the volume of the ventricles of a heart chamber is provided where the device has one or more clips for placement on dysfunctional cardiac tissue of a heart, one or more anchors for deployment and securement into the dysfunctional cardiac tissue, and a lifting mechanism for raising the one or more anchors and the dysfunctional cardiac tissue.

Claims

1. A device for reducing the volume of the ventricles of a heart chamber, the device comprising:

a cartridge for placement on dysfunctional cardiac tissue, the cartridge having suction vents positioned along a top surface thereof; and

a suction head for pulling the tissue through the cartridge, securing the dysfunctional cardiac tissue inside the cartridge, wherein the suction head and cartridge are positionable on the dysfunctional cardiac tissue, and wherein the suction head is moveable upward relative to the cartridge while the cartridge remains stationary about the dysfunctional cardiac tissue to pull the tissue through the cartridge.

2. The device for reducing the volume of the ventricles of a heart chamber of claim 1, the device further comprising:

an actuator connected to the cartridge and suction head by a shaft.

3. The device for reducing the volume of the ventricles of a heart chamber of claim 1, wherein the cartridge is made of two interlocking parts, the interlocking parts being moveable together to secure the dysfunctional cardiac tissue after the suction head pulls the dysfunctional cardiac tissue through the cartridge.

4. The device for reducing the volume of the ventricles of a heart chamber of claim 3, wherein at least one of the interlocking parts includes suction vents on a top surface thereof.

5. The device for reducing the volume of the ventricles of a heart chamber of claim 1, wherein the cartridge is made of a single part.

6. The device for reducing the volume of the ventricles of a heart chamber of claim 5, wherein the single part cartridge includes an outer wall having an oval shaped configuration.

7. The device for reducing the volume of the ventricles of a heart chamber of claim 1, wherein the cartridge is a one way cartridge that is configured to secure the dysfunctional cardiac tissue in position upon removal of the suction head.

8. A system for reducing the volume of the ventricles of a heart chamber, the system comprising:

an elongate shaft;

an actuator coupled with a proximal end of the elongate shaft; and

a mechanism coupled with a distal end of the elongate shaft, the mechanism comprising;

a cartridge for placement on dysfunctional cardiac tissue, the cartridge being coupled with the elongate shaft via a remotely detachable joint and including suction vents placed along a top of the cartridge; and

a suction head for pulling the tissue through the cartridge, thereby securing the dysfunctional cardiac tissue inside the cartridge, the suction head being moveable laterally relative to an axis of the elongate shaft and being moveable relative to the cartridge to pull the tissue through the cartridge;

wherein the cartridge is a one way cartridge that is configured to secure the dysfunctional cardiac tissue in position upon removal of the suction head.

9. The system for reducing the volume of the ventricles of a heart chamber of claim 8, wherein the cartridge is made of two interlocking parts, the interlocking parts being moveable together to secure the dysfunctional cardiac tissue after the suction head pulls the dysfunctional cardiac tissue through the cartridge.

10. The system for reducing the volume of the ventricles of a heart chamber of claim 9, wherein at least one of the interlocking parts includes suction vents on a top surface thereof.

11. The system for reducing the volume of the ventricles of a heart chamber of claim 8, wherein the cartridge is made of a single part.

12. The system for reducing the volume of the ventricles of a heart chamber of claim 11, wherein the single part cartridge includes an outer wall having an oval shaped configuration.

13. A device for reducing the volume of the ventricles of a heart chamber, the device comprising:

a cartridge for placement on dysfunctional cardiac tissue, the cartridge being coupled with a distal end of a shaft and including an opening; and

a suction head for pulling the tissue through the cartridge, securing the dysfunctional cardiac tissue inside the cartridge, the suction head being coupled with the distal end of the shaft, the suction head having a shape that corresponds with the opening of the cartridge, wherein the suction head and cartridge are positionable on the dysfunctional cardiac tissue, and wherein the suction head is moveable laterally relative to an axis of the shaft and is pivotable into the opening of the cartridge and moveable upward relative thereto while the cartridge remains stationary about the dysfunctional cardiac tissue to pull the tissue through the cartridge.