LEFT-VENTRICULAR LEAD FIXATION DEVICE IN CORONARY VEINS
First Claim
1. A method for medical lead fixation in coronary veins, the method comprising:
- advancing a lead body into a branch vessel of a coronary vein;
inserting a fixation line through the lead body, past a distal end of the lead body, and into the branch vessel, wherein the fixation line comprises an expandable anchor structure;
engaging a wall of the branch vessel with the expandable anchor structure; and
coupling the fixation line with the lead body.
1 Assignment
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Accused Products
Abstract
Methods for medical lead fixation in coronary veins according to embodiments of the present invention include advancing a lead body into a branch vessel of a coronary vein, inserting a fixation line and expandable anchor structure through the lead body, past a distal end of the lead body, and into the branch vessel, engaging a wall of the branch vessel with the expandable anchor structure, and coupling the fixation line with the lead body. Apparatus for medical lead fixation in a coronary vein according to embodiments of the present invention include a lead body having one or more electrodes, a fixation line, an expandable anchor structure coupled to the fixation line, the fixation line and anchor structure deployable through the lead body into the branch vessel, and a means for coupling the lead body to the fixation line.
74 Citations
24 Claims
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1. A method for medical lead fixation in coronary veins, the method comprising:
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advancing a lead body into a branch vessel of a coronary vein; inserting a fixation line through the lead body, past a distal end of the lead body, and into the branch vessel, wherein the fixation line comprises an expandable anchor structure; engaging a wall of the branch vessel with the expandable anchor structure; and coupling the fixation line with the lead body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An apparatus for medical lead fixation in a coronary vein, the apparatus comprising:
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a lead body having one or more electrodes; a fixation line; an expandable anchor structure coupled to the fixation line at a distal end of the fixation line, the fixation line and the expandable anchor structure deployable through the lead body into a branch vessel of a coronary vein; and a means for preventing proximal migration of the lead body with respect to the fixation line. - View Dependent Claims (14, 15)
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16. An apparatus for medical lead fixation in a coronary vein, the apparatus comprising:
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a lead body having one or more electrodes; a fixation line; an expandable anchor structure coupled to the fixation line, the fixation line and the expandable anchor structure deployable through the lead body into a branch vessel of a coronary vein, wherein the expandable anchor structure has an expanded configuration configured for engaging a wall of the coronary vein; and a means for deploying the lead body. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24)
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Specification