Fastening device for an epicardial lead

• US 7,463,932 B2
• Filed: 01/14/2005
• Issued: 12/09/2008
• Est. Priority Date: 01/14/2005
• Status: Expired due to Fees

• Current Assignee: Cardiac Pacemakers Incorporated (Boston Scientific Corporation)
• Original Assignee: Cardiac Pacemakers Incorporated (Boston Scientific Corporation)
• Inventors: Cawthra, James K. Jr.
• Primary Examiner(s): Layno; Carl H
• Assistant Examiner(s): PATEL, NATASHA
• Application Number:
  US11/035,775
• Publication Number:
  US 20060161237A1
• Time in Patent Office: 1,425 Days
• Field of Search: 607/115, 607/122, 607/126, 607/128, 607/129, 607/130, 607/149, 607/123, 607/119, 607/127, 600/374
• US Class Current: 607/115
• CPC Class Codes: A61N 1/0587 Epicardial electrode systems; Endocardial electrodes piercing the pericardium
• CPC Class Codes: A61N 1/059 Anchoring means

Abstract

An epicardial pacing lead including a flexible, elongated lead body. The epicardial pacing lead has a proximal end and a distal end. An electrode is coupled to the lead body near the distal end. A housing is coupled to the lead body proximal to the electrode. A platform is at least partially encompassed by the housing. The platform includes at least four tines. Each tine is adapted for engagement with the epicardium and includes an upper section extending outwardly from the platform and a lower section extending distally at an angle to the upper section.

Claims

1. An epicardial pacing lead comprising:

a flexible, elongated lead body having a proximal end and a distal end;

an electrode coupled to the lead body near the distal end;

a housing coupled to the lead body proximal to the electrode; and

a malleable metal platform at least partially encompassed by, and permanently secured within, the housing, the platform including at least four bendable tines, each tine configured for penetrating the epicardium and including an upper section extending outwardly from the platform in a plane generally parallel to the platform and a lower section extending distally at an angle to the upper section, wherein the upper section of the tines is connected directly to the platform.

2. The epicardial pacing lead of claim 1 wherein the housing is integral with the lead body.

3. The epicardial pacing lead of claim 1 wherein the platform has a substantially annular shape and the housing has a substantially annular shape and wherein the tines are spaced approximately 90 degrees apart around the lead body.

4. The epicardial pacing lead of claim 1 wherein the housing has a substantially rectangular shape and the platform has a substantially rectangular shape.

5. The epicardial pacing lead of claim 1 wherein the angle between the tine lower section and the tine upper section is approximately between about 70 and about 120 degrees.

6. The epicardial pacing lead of claim 3 wherein the ratio of the outer radius of the platform to the diameter of the lead is between about 2:

1 and about 4;

1.

7. The epicardial pacing lead of claim 1 wherein the electrode includes a distal end and wherein the distance between the platform and the electrode distal end is between approximately 0 and 10 mm.

8. An epicardial pacing lead comprising:

a flexible, elongated lead body having a proximal end and a distal end;

an electrode coupled to the lead body near the distal end;

a housing coupled to the lead body proximal to the electrode;

a malleable metal platform defining a first plane, the platform at least partially encompassed by, and permanently secured within, the housing; and

bendable means for penetrating the epicardium extending from the platform, at least a portion of the bendable means generally disposed in the first plane.

9. The epicardial pacing lead of claim 8 wherein the bendable means for penetrating includes at least four bendable tines, each tine having an upper section and a lower section.

10. The epicardial pacing lead of claim 9 wherein the angle between the tine lower section and the tine upper section is approximately between about 70 and about 120 degrees.

11. The epicardial pacing lead of claim 8 wherein the electrode includes a distal end and wherein the distance between the means for penetrating and the electrode distal end is between approximately 0 and 10 mm.

12. An epicardial pacing lead comprising:

a flexible, elongated lead body having a proximal end and a distal end;

an electrode coupled to the lead body near the distal end;

a housing coupled to the lead body proximal to the electrode; and

a malleable metal platform, the platform defining a first plane, the platform permanently secured within the housing, a portion of the platform located within the housing, the platform including a plurality of bendable tines, each tine configured for penetrating the epicardium and including a first section extending from the platform generally in the first plane and a second section extending distally at an angle to the first section.

13. The epicardial pacing lead of claim 12 wherein the housing is integral with the lead body.

14. The epicardial pacing lead of claim 12 wherein the platform and the housing both have a substantially annular shape and the platform has four tines spaced approximately 90 degrees apart around the lead body.

15. The epicardial pacing lead of claim 12 wherein the housing has a substantially rectangular shape and the platform has a substantially rectangular shape.

16. The epicardial pacing lead of claim 12 wherein the first sections are bent so that they extend outwardly from the platform at an angle below the platform.

17. The epicardial pacing lead of claim 12 wherein the first sections are bent so that they extend outwardly from the platform at an angle above the platform.

18. The epicardial pacing lead of claim 12 wherein the plurality of tines is at least five tines.

19. The epicardial pacing lead of claim 12, wherein the platform has a first region defining the first plane and a second region defining a second plane and wherein a first plurality of tines extends from the platform in the first plane and a second plurality of tines extends from the platform in the second plane.