LEADLESS CARDIAC PACEMAKER WITH RETRIEVAL FEATURES
First Claim
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1. An implantable leadless cardiac pacing device comprising:
- a housing having a proximal end and a distal end;
an electrode positioned proximate the distal end of the housing configured to be positioned adjacent cardiac tissue; and
a docking member extending from the proximal end of the housing along a longitudinal axis of the housing, the docking member configured to facilitate retrieval of the implantable leadless cardiac pacing device;
the docking member including a head portion and a neck portion extending between the housing and the head portion;
the head portion having a radial dimension from the longitudinal axis and the neck portion having a radial dimension from the longitudinal axis less than the radial dimension of the head portion; and
a covering surrounding at least a portion of the neck portion of the docking member.
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Abstract
An implantable leadless cardiac pacing device and associated retrieval features. The implantable device includes a docking member extending from the proximal end of the housing of the implantable device including a covering surrounding at least a portion of the docking member configured to facilitate retrieval of the implantable leadless cardiac pacing device.
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Citations
20 Claims
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1. An implantable leadless cardiac pacing device comprising:
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a housing having a proximal end and a distal end; an electrode positioned proximate the distal end of the housing configured to be positioned adjacent cardiac tissue; and a docking member extending from the proximal end of the housing along a longitudinal axis of the housing, the docking member configured to facilitate retrieval of the implantable leadless cardiac pacing device; the docking member including a head portion and a neck portion extending between the housing and the head portion; the head portion having a radial dimension from the longitudinal axis and the neck portion having a radial dimension from the longitudinal axis less than the radial dimension of the head portion; and a covering surrounding at least a portion of the neck portion of the docking member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An implantable leadless cardiac pacing device comprising:
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a housing having a proximal end and a distal end; an electrode positioned proximate the distal end of the housing configured to be positioned adjacent cardiac tissue; and a docking member extending from the proximal end of the housing along a longitudinal axis of the housing, the docking member configured to facilitate retrieval of the implantable leadless cardiac pacing device; the docking member including a head portion and a neck portion extending between the housing and the head portion; the head portion having a radial dimension from the longitudinal axis and the neck portion having a radial dimension from the longitudinal axis less than the radial dimension of the head portion; and a collapsible covering located between the head portion of the docking member and the proximal end of the housing, the collapsible covering having a peripheral surface collapsible toward the neck portion when engaged with a retrieval device. - View Dependent Claims (17, 18)
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19. A method of retrieving an implantable cardiac pacing device, the implantable cardiac pacing device having a housing having a longitudinal axis, an electrode positioned proximate a distal end of the housing, and a docking member extending from a proximal end of the housing opposite the distal end, the docking member including a head portion, a neck portion extending between the housing and the head portion, and a covering surrounding at least a portion of the neck portion, the method comprising:
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advancing a snare toward the docking member; encircling the docking member with a loop of the snare; and cinching the loop around the neck portion of the docking member such that the covering collapses toward the longitudinal axis as the loop presses against the covering. - View Dependent Claims (20)
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Specification