Collapsible Tissue Anchor Device and Method

• US 20090287229A1
• Filed: 05/19/2009
• Published: 11/19/2009
• Est. Priority Date: 05/19/2008
• Status: Active Grant

• Current Assignee: Boston Scientific Scimed (Boston Scientific Corporation)
• Original Assignee: Ams Research Corporation (Endo International PLC)
• Inventors: Ogdahl, Jason Westrum
• Granted Patent: US 9,017,382 B2
• Time in Patent Office: Days
• US Class Current: 606/151
• 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 2017/00986 Malecots, e.g. slotted tubes, of which the distal end is pulled to deflect side struts
• CPC Class Codes: A61B 2017/0409 Instruments for applying suture anchors for applying suture clamps, clips or locks A61B2017/0488
• CPC Class Codes: A61B 2017/0412 having anchoring barbs or pins extending outwardly from suture anchor body
• CPC Class Codes: A61B 2017/0414 having a suture-receiving opening, e.g. lateral opening lateral eyelet for attaching suture to needle A61B2017/06019
• CPC Class Codes: A61B 2017/0417 T-fasteners
• CPC Class Codes: A61B 2017/0438 slotted, i.e. having a longitudinal slot for enhancing their elasticity
• CPC Class Codes: A61B 2017/0445 cannulated, e.g. with a longitudinal through-hole for passage of an instrument
• CPC Class Codes: A61B 2017/0448 Additional elements on or within the anchor
• CPC Class Codes: A61B 2017/0458 Longitudinal through hole, e.g. suture blocked by a distal suture knot
• CPC Class Codes: A61B 2017/0464 for soft tissue
• CPC Class Codes: A61F 2/0045 Support slings
• CPC Class Codes: A61F 2/005 with pressure applied to urethra by an element placed in the vagina
• CPC Class Codes: A61F 2/0063 Implantable repair or support meshes, e.g. hernia meshes

Abstract

Collapsible tissue anchor device and method for inserting into a tissue structure in a first non-collapsed configuration and collapsing into a second collapsed configuration. A sleeve is provided having a bolt or shank extending through an interior. The bolt or shank exerts a force upon the sleeve to collapse it thereby forming flanges that engage or abut tissue. A sling, suture, mesh or the like may be coupled to a portion of the anchor to support tissue or an organ.

Claims

1. A collapsible tissue anchor device, comprising:

a sleeve having a lumen extending therethrough and at least one wall portion adapted to provide a collapsing region for the sleeve; and

an elongate member having at least one head portion and a leading end adapted for insertion and travel through at least a portion of the lumen, whereby force exerted by the head portion on the sleeve causes the sleeve to collapse around the collapsing region.

2. The device of claim 1, wherein the sleeve includes a locking feature within the lumen of the sleeve to securely receive the leading end of the elongate member.

3. The device of claim 2, wherein the locking feature includes one or more tab portions adapted to securely receive the leading end of the elongate member.

4. The device of claim 1, wherein the sleeve further includes a plurality of longitudinal slots.

5. The device of claim 1, wherein the collapsing region includes one or more living hinges along a portion of the sleeve.

6. The device of claim 1, wherein the collapsing region includes one or more weakened wall portions along a portion of the sleeve.

7. The device of claim 1, wherein the sleeve is generally elongate for deployment into the body tissue of a patient.

8. The device of claim 1, wherein a portion of an attachment member connectable with the collapsible tissue anchor device is selected from a group consisting of:

a suture, a mesh and a sling.

9. The device of claim 1, wherein at least a portion of the head portion of the elongate member is angled to facilitate penetration through body tissue.

10. A collapsible tissue anchor device, comprising:

a sleeve having a lumen extending therethrough, the sleeve having;

a plurality of slots provided along longitudinal length of the sleeve to define a plurality of sleeve segments;

a living hinge defined across the plurality of sleeve segments; and

an elongate member having at least one head portion and a leading end adapted for insertion and travel through at least a portion of the lumen, whereby force exerted by the head portion on the sleeve causes the sleeve to collapse around the living hinges.

11. The device of claim 10, wherein the sleeve includes a locking feature within the lumen of the sleeve to securely receive the leading end of the elongate member.

12. The device of claim 10, wherein the plurality of slots includes two spaced groupings of slots to define two collapsible regions for the sleeve.

13. The device of claim 10, wherein the sleeve is generally elongate for deployment into the body tissue of a patient.

14. The device of claim 10, wherein a portion of an attachment member connectable with the collapsible tissue anchor device is selected from a group consisting of:

a suture, a mesh and a sling.

15. The device of claim 10, wherein at least a portion of the head portion of the elongate member is angled to facilitate penetration through body tissue.

16. A method of deploying a collapsible tissue anchor, comprising:

providing an anchor device including a sleeve and an elongate member, with a portion of the elongate member adapted to abut a portion of the sleeve to exert a collapsing force on the sleeve;

deploying the anchor device to a target body tissue location, the target body tissue having a first tissue side and a second tissue side;

penetrating the body tissue to create an opening through the body tissue;

inserting a first portion of the sleeve in an elongate insertion configuration through the body tissue to the second tissue side; and

abuttal engaging the elongate member against the sleeve to at least partially collapse the first portion of the sleeve on the second tissue side, thereby securing the anchor device at the target body tissue location.

17. The method of claim 16, wherein the anchor device is deployed to the target body tissue location with a delivery tool.

18. The method of claim 16, wherein the delivery tool is a catheter having a canola for receiving the anchoring device in the elongate insertion configuration.

19. The method of claim 16, wherein penetration of the body tissue is facilitated by an angled portion provided on an end of the anchor device.

20. The method of claim 16, wherein providing the sleeve includes providing the sleeve with at least one grouping of longitudinal slots and one or more living hinges to facilitate collapsing of the sleeve.