Method and system for placement of electrical lead inside heart
First Claim
1. A method of placing an electrical lead of an implantable cardiac device inside a ventricle of a heart of a patient, the lead adapted to deliver electrical signals from the device to cardiac tissue inside the ventricle in order to maintain a predetermined heartbeat, and the method comprising:
- introducing a tool through a chest wall of the patient;
securing the introduced tool to an outer surface of an atrial appendage of the heart to hold onto the atrial appendage;
piercing a wall of the atrial appendage to create an aperture through the wall of the atrial appendage while holding the atrial appendage with the tool;
moving a distal end of the electrical lead through the chest wall and into the heart through the aperture in the atrial appendage; and
coupling the distal end of the electrical lead to cardiac tissue in the ventricle.
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Abstract
A method of placing an electrical lead of an implantable cardiac device inside a heart of a patient. The method includes securing a tool to an atrial appendage of the heart to hold onto the atrial appendage, piercing the atrial appendage, and creating an aperture in the atrial appendage while holding the atrial appendage with the tool. The method also includes moving a distal end of the electrical lead into the heart through the aperture in the atrial appendage and into a ventricle of the heart. Furthermore, the method includes coupling the distal end of the electrical lead to cardiac tissue in the ventricle and delivering an electrical signal to the cardiac tissue in the ventricle of the heart to maintain a predetermined heartbeat of the heart.
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Citations
15 Claims
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1. A method of placing an electrical lead of an implantable cardiac device inside a ventricle of a heart of a patient, the lead adapted to deliver electrical signals from the device to cardiac tissue inside the ventricle in order to maintain a predetermined heartbeat, and the method comprising:
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introducing a tool through a chest wall of the patient; securing the introduced tool to an outer surface of an atrial appendage of the heart to hold onto the atrial appendage; piercing a wall of the atrial appendage to create an aperture through the wall of the atrial appendage while holding the atrial appendage with the tool; moving a distal end of the electrical lead through the chest wall and into the heart through the aperture in the atrial appendage; and coupling the distal end of the electrical lead to cardiac tissue in the ventricle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for maintaining a predetermined heartbeat of a patient, the method comprising:
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introducing a tool through a chest wall of the patient; securing the introduced tool to an outer surface of a left atrial appendage of the heart to hold onto the left atrial appendage; piercing a wall of the atrial appendage with a piercing tool that is operably coupled to the tool to create an aperture through the wall of the left atrial appendage while holding onto the left atrial appendage; moving a distal end of an electrical lead through the chest wall and the aperture and into a left ventricle of the heart via a passage in the tool, while holding onto the left atrial appendage; mounting a sleeve within the aperture, such that a lumen of the sleeve receives the electrical lead, when moved through the aperture, the sleeve preventing direct contact between the heart and the electrical lead; compressing the sleeve to hold the electrical lead in place relative to the heart; connecting the distal end of the electrical lead to cardiac tissue inside the left ventricle of the heart; connecting the electrical lead to an implantable cardiac device; delivering an electrical signal to the cardiac tissue via the electrical lead to maintain the predetermined heartbeat; manipulating the tool to resiliently stretch a resilient ring over an outer surface of the left atrial appendage; and manipulating the tool to release the resilient ring to resiliently recover and occlude the left atrial appendage.
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Specification