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US5916243A Expired / Lapsed US ⏱️ 0.0 years remaining

Implantable conformal coil patch electrode with multiple conductive elements for cardioversion and defibrillation

Assignee: Cardiac Pacemakers Inc
•
Filing: 1996-03-01
•
Granted: 1999-06-29
•
Expires: 2016-03-01
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Abstract

Abstract Body-implantable leads with open, unbacked (uninsulated) electrode structures having electrical discharge surfaces formed by conductive elements, such as mesh and braid, and preferably coils. The electrode structures can be classified by pattern: (1) loops, (2) linear arrays and (3) radial arrays. The electrodes are located on or near the epicardial surface of the right and left heart.

Inventors

  • 👤 Bruce H. Kenknight
  • 👤 Roger W. Dahl
  • 👤 David K. Swanson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 06:19
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/05; A61N1/0587

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 185 words
A body implantable lead comprising: an insulative lead body containing an electrically conductive element; a first electrically conductive member formed into a loop baving a first fixation element on an apical portion of the loop and forming an electrical connection with a distal end of said electrically conductive element, said first conductive member being flexible and having an electrical discharge surface adapted to be directly contacting a heart adjacent an epicardial surface thereof but not penetrating the epicardial surface; a second electically conductive member adapted to directly contact but not penetrate the epicardial surface of the heart, said second member being radially, mechanically connected to said first conductive member at a proximal end thereof and not mechanically connected to said first conductive member at a distal end thereof, the distal end further including a second fixation element; and an electrically insulated backing at a location where the first electrically conductive member and the second electrically conductive member are electrically connected to the electrically conductive element, the electrically insulated backing having an opening therethrough to permit the electrically insulated backing to be secured to the heart.
Claim 2
Dependent Claim 185 words
A body implantable lead comprising: an insulative lead body containing an electrically conductive element; a first electrically conductive member formed into a loop baving a first fixation element on an apical portion of the loop and forming an electrical connection with a distal end of said electrically conductive element, said first conductive member being flexible and having an electrical discharge surface adapted to be directly contacting a heart adjacent an epicardial surface thereof but not penetrating the epicardial surface; a second electically conductive member adapted to directly contact but not penetrate the epicardial surface of the heart, said second member being radially, mechanically connected to said first conductive member at a proximal end thereof and not mechanically connected to said first conductive member at a distal end thereof, the distal end further including a second fixation element; and an electrically insulated backing at a location where the first electrically conductive member and the second electrically conductive member are electrically connected to the electrically conductive element, the electrically insulated backing having an opening therethrough to permit the electrically insulated backing to be secured to the heart.
Claim 3
Dependent Claim 31 words
The body implantable lead according to claim 1, further comprising an insulative member having a side, and wherein said first electrically conductive member is mounted on the side of insulative member.
Claim 4
Dependent Claim 43 words
The body implantable lead according to claim 1, further comprising a plurality of electrically conductive members, radially, mechanically connected to said first conductive member at a proximal end thereof and not mechanically connected to said first conductive member at a distal end thereof.
Claim 5
Dependent Claim 20 words
The body implantable lead according to claim 1, wherein said first conductive member includes a, linear array of conductive elements.
Claim 6
Dependent Claim 22 words
A body implantable lead according to claim 1, further comprising an additional electrically conductive element extending radially inwardly from said conductive member.

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2002-06-28 2002-12-28 2003-06-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2006-06-28 2006-12-28 2007-06-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2010-06-28 2010-12-28 2011-06-29 $7700.00 Window Closed / Lapsed

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