Method and apparatus for fixating an implantable medical device
First Claim
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1. A method of implanting a medical device in a patient, wherein:
- the device comprises an elongate body having a longitudinal axis and including a proximal portion and a distal portion, wherein the body terminates at a distal end;
an electrode and a conductor that extends proximally from the electrode towards the proximal portion of the body; and
a fixation mechanism formed about the body, extending from the proximal portion to the distal portion, the fixation mechanism comprising;
a fixation segment positioned in proximity to a distal end of the fixation mechanism and including a deployable lobe,a tube segment extending from the fixation segment proximally to a proximal end of the fixation mechanism, andan anchor fixedly coupling the fixation mechanism distal end to the body; and
wherein the body extends distally from the fixation segment in a curved configuration, curving away from the body axis and wherein the electrode is located at the distal end of the body; and
the method comprises inserting the device into the patient such that the fixation segment and electrode are both located in the patient'"'"'s coronary vascular system,and deploying the deployable lobe outwardly away from the body axis by moving the tube segment distally relative to the lead body.
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Abstract
A fixation mechanism coupled to an implantable device body extends from a proximal portion of the body to a distal portion of the body and includes a fixation element and a push tube segment. A push tube segment of the mechanism extends proximally from the fixation mechanism to the proximal portion of the body and is adapted to deploy the mechanism.
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Citations
20 Claims
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1. A method of implanting a medical device in a patient, wherein:
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the device comprises an elongate body having a longitudinal axis and including a proximal portion and a distal portion, wherein the body terminates at a distal end; an electrode and a conductor that extends proximally from the electrode towards the proximal portion of the body; and a fixation mechanism formed about the body, extending from the proximal portion to the distal portion, the fixation mechanism comprising; a fixation segment positioned in proximity to a distal end of the fixation mechanism and including a deployable lobe, a tube segment extending from the fixation segment proximally to a proximal end of the fixation mechanism, and an anchor fixedly coupling the fixation mechanism distal end to the body; and wherein the body extends distally from the fixation segment in a curved configuration, curving away from the body axis and wherein the electrode is located at the distal end of the body; and the method comprises inserting the device into the patient such that the fixation segment and electrode are both located in the patient'"'"'s coronary vascular system, and deploying the deployable lobe outwardly away from the body axis by moving the tube segment distally relative to the lead body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of implanting a medical device in a patient, wherein:
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the device comprises an elongate body having a longitudinal axis and including a proximal portion and a distal portion, wherein the body terminates at a distal end; an electrode and a conductor that extends proximally from the electrode towards the proximal portion of the body; and a fixation mechanism, extending from the proximal portion to the distal portion of the lead body, the fixation mechanism comprising; a fixation segment including a deployable lobe, a movable segment movable relative to the lead body and extending from the fixation segment proximally to a proximal end of the lead body, and an anchor fixedly coupling the fixation mechanism to the body; and wherein the body extends distally from the fixation segment in a curved configuration, curving away from the body axis and wherein the electrode is located along the distal portion of the lead body, distal to the fixation segment; and the method comprises inserting the device into the patient such that the fixation segment and electrode are both located in the patient'"'"'s coronary vascular system, and deploying the deployable lobe outwardly away from the body axis by moving the movable segment relative to the lead body. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A method of implanting a medical device in a patient, wherein:
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the device comprises an elongate body having a longitudinal axis and including a proximal portion and a distal portion, wherein the body terminates at a distal end; an electrode and a conductor that extends proximally from the electrode towards the proximal portion of the body; and a fixation mechanism, extending from the proximal portion to the distal portion of the lead body, the fixation mechanism comprising; a fixation segment including a lobe deployable away from the body axis, a movable segment movable relative to the lead body and extending from the fixation segment proximally to a proximal end of the lead body, and an anchor fixedly coupling the fixation mechanism to the body; and wherein the body extends distally from the fixation segment in a curved configuration, curving away from the body axis and extending further away from the body axis than the deployable lobe extends and wherein the electrode is located along the distal portion of the lead body, distal to the fixation segment; and the method comprises inserting the device into the patient such that the fixation segment and electrode are both located in the patient'"'"'s coronary vascular system, and deploying the deployable lobe outwardly away from the body axis by moving the movable segment relative to the lead body. - View Dependent Claims (17, 18, 19, 20)
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Specification