Systems and methods for anchoring an implant
The invention relates in some aspects to a device for use in anchoring an implant, including anchors, sutures, implants, clips, tools, lassos, and methods of anchoring among other methods. Anchors as disclosed herein could be utilized to secure a coaptation assistance device, an annuloplasty ring, an artificial valve, cardiac patch, sensor, pacemaker, or other implants. The implant could be a mitral valve ring or artificial mitral valve in some embodiments.
1. A system for anchoring an implantable medical device within tissue of a patient, comprising:
an anchor comprising a proximal end and a distal end, the distal end configured to engage tissue,
a suture coupled to the proximal end of the anchor,
an implantable medical device, wherein the suture is configured to pass through at least a portion of the implantable medical device,
a clip comprising a longitudinal axis and at least two strands twisted together, wherein the suture is configured to pass through the at least two strands in a direction transverse to the longitudinal axis as the clip slides toward the implantable medical device and the anchor.
2. The system of claim 1 , further comprising a needle on an end of the suture.
3. The system of claim 1 , wherein the at least two strands comprise nitinol.
4. The system of claim 1 , wherein the at least two strands comprise a shape memory material.
5. The system of claim 1 , wherein the clip is linear.
6. The system of claim 1 , wherein the clip is non-linear.
7. The system of claim 1 , wherein the anchor comprises a needle.
8. The system of claim 1 , wherein the implantable medical device is a coaptation assistance device configured to improve leaflet coaptation of a cardiac valve.
9. The system of claim 1 , further comprising a delivery tool comprising an outer sleeve, an inner shaft, and a lasso extending through the inner shaft, the lasso configured to engage the suture.
10. The system of claim 9 , wherein the outer sleeve is configured to push the clip off the inner shaft.
11. A system for anchoring an implantable medical device within tissue of a patient, comprising:
an anchor comprising a proximal end and a distal end, the distal end configured to engage tissue,
a suture coupled to the anchor,
an implantable medical device, and
a clip comprising a longitudinal axis and at least two strands twisted together, wherein the suture is configured to pass through the at least two strands in a direction transverse to the longitudinal axis as the clip slides toward the implantable medical device and the anchor.
12. The system of claim 11 , wherein the at least two strands comprise a shape memory material.
13. The system of claim 11 , wherein the clip is linear.
14. The system of claim 11 , wherein the anchor comprises a helical portion.
15. The system of claim 11 , wherein the implantable medical device is a coaptation assistance device configured to improve leaflet coaptation of a cardiac valve.
16. The system of claim 11 , further comprising a delivery tool comprising an outer sleeve, an inner shaft, and a lasso extending through the inner shaft, the lasso configured to engage the suture.
17. The system of claim 16 , wherein the outer sleeve is configured to push the clip off the inner shaft.
18. The system of claim 11 , wherein the anchor comprises a cross-pin in a hub.
19. The system of claim 18 , wherein the suture is coupled to the cross-pin.
20. The system of claim 11 , further comprising a torque shaft, wherein rotation of the torque shaft causes rotation of the anchor.