Apparatuses and methods for heart valve repair

• US 7,226,477 B2
• Filed: 12/17/2003
• Issued: 06/05/2007
• Est. Priority Date: 11/15/2002
• Status: Expired due to Term

• Current Assignee: Advanced Cardiovascular Systems Incorporated
• Original Assignee: Advanced Cardiovascular Systems Incorporated
• Inventors: Cox, Daniel L.
• Primary Examiner(s): McDermott; Corrine
• Assistant Examiner(s): Matthews; William H
• Application Number:
  US10/739,554
• Publication Number:
  US 20040133273A1
• Time in Patent Office: 1,266 Days
• Field of Search: 623 236- 24, 623/2.1, 623/2.11, 128/898
• US Class Current: 623/2.37
• CPC Class Codes: A61F 2/2451 Inserts in the coronary sinus for correcting the valve shape
• CPC Class Codes: A61F 2/91 made from perforated sheet material or tubes, e.g. perforated by laser cuts or etched holes
• CPC Class Codes: A61F 2002/828 Means for connecting a plurality of stents allowing flexibility of the whole structure
• CPC Class Codes: A61F 2250/001 for adjusting a diameter
• CPC Class Codes: Y10T 24/39 Cord and rope holders

Abstract

A medical device for treating a defective heart valve. The medical device comprises a delivery sheath and an implantable device moveably disposed within the delivery sheath. The implantable device further comprises a distal expandable basket, a proximal expandable basket, and a connecting member coupling at a first end to the distal expandable basket and at a second end to the proximal expandable basket. Each of the distal expandable basket and proximal expandable basket is in a collapsed state during delivery and an expanded state after deployment. An actuator is releasably coupled to the implantable device. When coupled to the implantable device, the actuator can move the implantable device in a way to allow for positioning of the distal and proximal expandable baskets.

Claims

1. A medical device comprising:

a delivery sheath;

an implantable device moveably disposed within the delivery sheath, the implantable device further comprises a distal expandable basket and a proximal expandable basket connected by a connecting member, wherein the connecting member is coupled at a first end to the distal expandable basket and at a second end to the proximal expandable basket, each of the distal expandable basket and proximal expandable basket being collapsed during delivery and expanded after deployment, wherein the delivery sheath constrains the distal expandable basket and the proximal expandable basket until deployment; and

an actuator releasably coupling to the implantable device at a proximal end of the connecting member, the actuator to move the implantable device when coupled to the implantable device, and wherein the proximal expandable basket includes a proximal end that is fixed on the connecting member and a distal end that is slideable along the connecting member.

2. The medical device as in claim 1 wherein the distal expandable basket is deployable against an inner wall of a coronary sinus adjacent a mitral valve annulus, the proximal expandable basket is deployable against the inner wall or at an entrance of the coronary sinus, and the implantable device is configured to reshape the coronary sinus.

3. The medical device as in claim 1 wherein the distal expandable basket is deployable against an inner wall of a coronary vein adjacent a mitral valve annulus, the proximal expandable basket is deployable against the inner wall or at an entrance of a coronary sinus, wherein the coronary vein and the coronary sinus are part of a vessel and the implantable device is configured to reshape the vessel.

4. The medical device as in claim 1 wherein each of the distal expandable basket and the proximal expandable basket includes a strut assembly that is collapsible and expandable, the delivery sheath constrains each of the distal expandable basket and the proximal expandable basket, and retraction of the delivery sheath allows deployment of the distal expandable basket and the proximal expandable basket.

5. The medical device as in claim 1 wherein the distal expandable basket is engageable to an inner wall of a blood vessel, the proximal expandable basket is engageable to the inner wall of the blood vessel, the connecting member is deployable on a side of the inner wall of the blood vessel, and the medical device reshapes the blood vessel.

6. The medical device as in claim 1 wherein each of the distal expandable basket and the proximal expandable basket are comprised of a shaped-memory material.

7. The medical device as in claim 1 wherein the distal expandable basket includes a distal end that is fixed on the connecting member and a proximal end that is slideable along the connecting member.

8. The medical device as in claim 1 wherein the distal expandable basket includes a proximal end that is fixed on the connecting member and a distal end that is slideable along the connecting member.

9. A medical device comprising:

a delivery sheath;

an implantable device moveably disposed within the delivery sheath, the implantable device further comprises a distal expandable basket and a proximal expandable basket connected by a connecting member, wherein the connecting member is coupled at a first end to the distal expandable basket and at a second end to the proximal expandable basket, each of the distal expandable basket and proximal expandable basket being collapsed during delivery and expanded after deployment, wherein the delivery sheath constrains the distal expandable basket and the proximal expandable basket until deployment; and

an actuator releasably coupling to the implantable device at a proximal end of the connecting member, the actuator to move the implantable device when coupled to the implantable device, and wherein the proximal expandable basket includes a proximal end and a distal end that are slideable over the connecting member and are not fixed on the connecting member and where the connecting member further includes a proximal lock and a distal stop to fix the proximal expandable basket at a location along the connecting member.

10. The medical device as in claim 9 wherein the distal expandable basket is deployable against an inner wall of a coronary sinus adjacent a mitral valve annulus, the proximal expandable basket is deployable against the inner wall or at an entrance of the coronary sinus, and the implantable device is configured to reshape the coronary sinus.

11. The medical device as in claim 9 wherein the distal expandable basket is deployable against an inner wall of a coronary vein adjacent a mitral valve annulus, the proximal expandable basket is deployable against the inner wall or at an entrance of a coronary sinus, wherein the coronary vein and the coronary sinus are part of a vessel and the implantable device is configured to reshape the vessel.

12. The medical device as in claim 9 wherein each of the distal expandable basket and the proximal expandable basket includes a strut assembly that is collapsible and expandable, the delivery sheath constrains each of the distal expandable basket and the proximal expandable basket, and retraction of the delivery sheath allows deployment of the distal expandable basket and the proximal expandable basket.

13. The medical device as in claim 9 wherein the distal expandable basket is engageable to an inner wall of a blood vessel, the proximal expandable basket is engageable to the inner wall of the blood vessel, the connecting member is deployable on a side of the inner wall of the blood vessel, and the medical device reshapes the blood vessel.

14. The medical device as in claim 9 wherein each of the distal expandable basket and the proximal expandable basket are comprised of a shaped-memory material.

15. The medical device as in claim 9 wherein the distal expandable basket includes a distal end that is fixed on the connecting member and a proximal end that is slideable along the connecting member.

16. The medical device as in claim 9 wherein the distal expandable basket includes a proximal end that is fixed on the connecting member and a distal end that is slideable along the connecting member.