Side access "over the wire" pacing lead
First Claim
Patent Images
1. For use with a cardiac rhythm management device, an intravenous lead having:
- (a) an elongated, flexible body member made of an electrically insulative material, said body member having a proximal end and distal end, said body member being sized to permit the distal end to be advanced through the right atrium and coronary sinus into the coronary veins;
(b) a first opening in the body member at a point intermediate the proximal end and distal end of said body member;
(c) a first lumen in communication with said first opening and extending toward the distal end of said body member;
(d) a second lumen extending from said proximal end toward said first opening;
(e) an electrode affixed to said body member;
(f) a flexible coil-shaped electrically conductive member coupled to said electrode;
(g) a stylet-engaging stop positioned in said second lumen between said first opening and said proximal end.
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Accused Products
Abstract
Intravenous cardiac leads having at least one electrode intended to be implanted within the coronary artery are disclosed. Also disclosed are structures and techniques for advancing such leads through the atrium and coronary sinus into the coronary veins overlaying the left ventricle.
125 Citations
46 Claims
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1. For use with a cardiac rhythm management device, an intravenous lead having:
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(a) an elongated, flexible body member made of an electrically insulative material, said body member having a proximal end and distal end, said body member being sized to permit the distal end to be advanced through the right atrium and coronary sinus into the coronary veins; (b) a first opening in the body member at a point intermediate the proximal end and distal end of said body member; (c) a first lumen in communication with said first opening and extending toward the distal end of said body member; (d) a second lumen extending from said proximal end toward said first opening; (e) an electrode affixed to said body member; (f) a flexible coil-shaped electrically conductive member coupled to said electrode; (g) a stylet-engaging stop positioned in said second lumen between said first opening and said proximal end. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. For use with a cardiac rhythm management device, an intravenous lead having:
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(a) an elongated, flexible body member made of an electrically insulative material, said body member having a proximal end and distal end, said body member being sized to permit the distal end to be advanced through the right atrium and coronary sinus into the coronary veins; (b) a first opening in the body member at a point intermediate the proximal end and distal end of said body member; (c) a first lumen in communication with said first opening and extending toward the distal end of said body member; (d) a second lumen extending from said proximal end toward said first opening; (e) an electrode affixed to said body member; (f) a flexible tube-shaped electrically conductive member coupled to said electrode; (g) a stylet-engaging stop positioned in said second lumen between said first opening and said proximal end. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. For use with a cardiac rhythm management device, an intravenous lead having:
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(a) an elongated, flexible body member made of an electrically insulative material, said body member having a proximal end and distal end, said body member being sized to permit the distal end to be advanced through the right atrium and coronary sinus into the coronary veins; (b) a first opening in the body member at a point intermediate the proximal end and distal end of said body member; (c) a first lumen in communication with said first opening and extending toward the distal end of said body member; (d) a flexible electrically conductive member; and (e) an electrode comprising an opening in the body member exposing a portion of the flexible conductive member; (f) a second lumen extending from said proximal end toward said first opening and a second opening at the proximal end of the body member in communication with said second lumen, with a stylet-engaging stop within said second lumen located between said first opening and the proximal end. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
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Specification