Method and apparatus for determining the coronary sinus vein branch accessed by a coronary sinus lead
First Claim
1. A method for assisting installation of an electrode in a left ventricle of a patient'"'"'s heart, the method comprising the steps of:
- a. placing the electrode in a coronary sinus vein branch of the left ventricle;
b. detecting a plurality of electrical events in the patient'"'"'s heart during a heart beat, wherein at least one of the plurality of electrical events is sensed by the electrode; and
c. determining from the plurality of electrical events whether the electrode has an anterior or a lateral/posterior vein branch position during the heart beat.
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Accused Products
Abstract
Systems and methods for determining the coronary sinus vein branch location of a left ventricle electrode are disclosed. The systems and methods involve detecting the occurrence of electrical events within the patient'"'"'s heart including sensing one or more of the electrical events with the electrode and then analyzing the electrical events to determine the electrode'"'"'s position. The determination of electrode position may be used to automatically adjust operating parameters of a VRT device. Furthermore, the determination of electrode position may be made in real-time during installation of the electrode and a visual indication of the electrode position may be provided on a display screen.
25 Citations
21 Claims
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1. A method for assisting installation of an electrode in a left ventricle of a patient'"'"'s heart, the method comprising the steps of:
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a. placing the electrode in a coronary sinus vein branch of the left ventricle; b. detecting a plurality of electrical events in the patient'"'"'s heart during a heart beat, wherein at least one of the plurality of electrical events is sensed by the electrode; and c. determining from the plurality of electrical events whether the electrode has an anterior or a lateral/posterior vein branch position during the heart beat. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system for assisting installation of an electrode in a left ventricle of a patient'"'"'s heart, comprising:
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one or more detection devices for detecting at least first and second electrical events in said patient'"'"'s heart, one of said one or more detection devices being electrically connected to said electrode and detecting said second electrical event in the left ventricle; and a processing device in electrical communication with said one or more detection devices, said processing device configured to calculate a first interval between said first and second electrical events and determining whether said electrode has a lateral/posterior position or an anterior position within the left ventricle of said patient'"'"'s heart based at least upon said first interval. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A method for assisting installation of an electrode in a left ventricle of a patient'"'"'s heart, said method comprising:
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placing said electrode in a coronary sinus vein branch of said left ventricle; placing a second electrode in an atrium region or in a right ventricle area; detecting a plurality of electrical events in said patient'"'"'s heart during a heart beat, wherein at least one of said plurality of electrical events is sensed by said electrode; determining from said plurality of electrical events whether said electrode has an anterior or a lateral/posterior vein branch position during said heart beat; and displaying on a screen an indication of said determined anterior or a lateral/posterior vein branch position of said electrode wherein detecting said electrical events comprises detecting a first depolarization and a second depolarization event within said heart. - View Dependent Claims (19, 20, 21)
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Specification