IP Library › Granted Patent US 12,185,933
Granted Patent B2
US 12,185,933 · App. 17/565,428 · Granted Jan 7, 2025

Systems and methods for repairing soft tissues

Inventors: Kevin S. Nason (Chandler, AZ); Kevin N. Baird (Scottsdale, AZ); Derek J. Harper (Scottsdale, AZ)
Assignee: Cayenne Medical, Inc.
A61B17/0401A61B2017/00336A61B2017/00831A61B2017/00884A61B2017/0403A61B2017/0409A61B2017/0412A61B2017/0427
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Quick Facts
Patent No.
US 12,185,933
App. No.
17/565,428
Granted
Jan 7, 2025
Kind
B2
Abstract

A wicking component is integrated into an arthroscopically deployable bone anchor, and is intended to improve soft tissue-to-bone repair. Once deployed, the fibrous wick component extends from within the bone tunnel, out of the hole, and to the bone-tendon interface on the bone surface. The tissue is approximated against the bone, sandwiching the wick material between the bone and tissue. The wick component is ideally a polymeric fibrous or tissue-based scaffold that provides a pathway for cells (autologous bone marrow constituents and blood) to travel from within the bone to the soft tissue-bone interface, accelerating and promoting the healing response. The system provides a biomimetic structure that stimulates the extracellular matrix to encourage cell attachment and potentially improve the healing response. The wick component does not need to be integrated into a suture anchor and installed when the suture anchor is deployed. For example, the wick component could be placed above or near a traditional suture anchor after it has been deployed.

Claims (27)

1. An anchoring system for securing soft tissue to bone, comprising:

a delivery shaft with a distal end insertable into a tunnel formed in a bone;

a single unitary piece of fiber material including an elongated distal portion and a proximal head portion, the single unitary piece of fiber material carried upon the delivery shaft for delivering the single unitary piece of fiber material to the bone, wherein the single unitary piece of fiber material being so carried includes a first section of the elongated distal portion extending longitudinally along a first side of the delivery shaft and a second section of the elongated distal portion extending longitudinally back along a second side of the delivery shaft opposite the first side, the elongated distal portion having a first width permitting the elongated distal portion to be received in the tunnel, the proximal head portion being configured to reside outside the tunnel sandwiched between the soft tissue and the bone and being in the form of a sheet for promoting a healing response between the soft tissue and the bone when the elongated distal portion is received in the tunnel, the proximal head portion having a second width that is wider than said first width; and

a suture anchor received on the delivery shaft for delivering the suture anchor into the tunnel, the suture anchor formed unconnected to the single unitary piece of fiber material.

2. The anchoring system of claim 1 further comprising a floating suture coupled to the suture anchor for extending back out of the tunnel through an opening in an outer surface of the bone when the suture anchor is received in the tunnel.

3. The anchoring system of claim 1 , wherein the suture anchor is a screw-in anchor.

4. The anchoring system of claim 1 , wherein the suture anchor is an all-suture anchor pullable a distance back through the tunnel following delivery for expanding the all-suture anchor in the tunnel to secure the all-suture anchor in the tunnel, the all-suture anchor pullable via a floating suture coupled to the all-suture anchor for extending back out of the tunnel through an opening in an outer surface of the bone when the all-suture anchor is received in the tunnel.

5. The anchoring system of claim 1 , wherein the elongated distal portion includes a folded section folded around the distal end of the delivery shaft.

6. The anchoring system of claim 5 , wherein the folded section is positioned distally of the suture anchor along the delivery shaft.

7. The anchoring system of claim 1 , wherein the elongated distal portion includes a first hole therein that is located between the first section and the second section, the delivery shaft extending through the first hole.

8. The anchoring system of claim 7 , wherein a leading portion of the suture anchor is positioned distally of the first hole along the delivery shaft.

9. The anchoring system of claim 8 further comprising a floating suture coupled to the suture anchor, the floating suture extending from the suture anchor back through the first hole.

10. The anchoring system of claim 7 further comprising a distal anchor element received on the delivery shaft for delivering the distal anchor element into the tunnel, the distal anchor element having a second hole formed therein, the delivery shaft extending through the second hole to position the second hole distally of the first hole along the delivery shaft.

11. The anchoring system of claim 10 further comprising a proximal anchor element received on the delivery shaft, the proximal anchor element having a third hole formed therein, the delivery shaft extending through the third hole to position the first hole between the second hole and the third hole along the delivery shaft.

12. An anchoring system for securing soft tissue to bone, comprising:

a delivery shaft with a distal end insertable into a tunnel formed in a bone;

a single unitary piece of fiber material including an elongated distal portion and a proximal head portion, the single unitary piece of fiber material carried upon the delivery shaft for delivering the single unitary piece of fiber material to the bone, the elongated distal portion having a first width permitting the elongated distal portion to be received in the tunnel, the proximal head portion being configured to reside outside the tunnel sandwiched between the soft tissue and the bone in the form of a sheet for promoting a healing response between the soft tissue and the bone when the elongated distal portion is received in the tunnel, the proximal head portion having a second width that is wider than said first width;

an all-suture anchor received on the delivery shaft for delivering the all-suture anchor into the tunnel, the all-suture anchor formed unconnected to the single unitary piece of fiber material; and

a floating suture coupled to the all-suture anchor for extending back out of the tunnel through an opening in an outer surface of the bone when the all-suture anchor is received in the tunnel, the floating suture being usable to pull the all-suture anchor a distance back through the tunnel following delivery for expanding the all-suture anchor in the tunnel to secure the all-suture anchor in the tunnel.

13. The anchoring system of claim 12 , wherein the elongated distal portion includes a first section extending longitudinally along a first side of the delivery shaft and a second section extending longitudinally back along a second side of the delivery shaft opposite the first side.

14. The anchoring system of claim 13 , wherein the elongated distal portion includes a folded section folded around the distal end of the delivery shaft.

15. The anchoring system of claim 14 , wherein the folded section is positioned distally of the all-suture anchor along the delivery shaft.

16. The anchoring system of claim 12 , wherein the elongated distal portion includes a first hole therein that is located between the first section and the second section, the delivery shaft extending through the first hole.

17. The anchoring system of claim 10 , wherein a leading portion of the all-suture anchor is positioned distally of the first hole along the delivery shaft.

18. The anchoring system of claim 17 , wherein the floating suture extends from the all-suture anchor back through the first hole.

19. The anchoring system of claim 16 further comprising a distal anchor element received on the delivery shaft for delivering the distal anchor element into the tunnel, the distal anchor element having a second hole formed therein, the delivery shaft extending through the second hole to position the second hole distally of the first hole along the delivery shaft.

20. The anchoring system of claim 12 , wherein the single unitary piece of fiber material is configured to provide a pathway for cell travel from bone marrow within the tunnel to an area between the soft tissue and the bone.

Continuity (4)
Continuation 16560578 · Sep 4, 2019
Continuation 15161234 · May 21, 2016
Provisional Application 62165822 · May 22, 2015
Related Publication 20220117597A1 · Apr 21, 2022
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