Leadless cardiac pacemaker with delivery and/or retrieval features
First Claim
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1. An implantable leadless cardiac pacing device, comprising:
- a housing having a proximal end, a distal end, and defining a central longitudinal axis;
one or more electrodes associated with the housing;
a pulse generator providing electrical signals to the one or more electrodes to provide electrical stimulation to cardiac tissue; and
a docking member extending from the proximal end of the housing, the docking member being configured to facilitate delivery of the implantable leadless cardiac pacing device;
wherein the docking member includes a neck portion extending proximally from the housing coaxially with the central longitudinal axis and a plurality of spokes extending radially outward from the neck portion;
wherein each spoke includes a base portion adjacent the neck portion and a free end;
wherein a width of each spoke at the free end as viewed axially is greater than a width of each spoke at the base portion as viewed axially.
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Abstract
An implantable leadless cardiac pacing device and associated delivery and retrieval devices. The implantable device includes a docking member extending from the proximal end of the housing of the implantable device configured to engage with the delivery and/or retrieval device to facilitate delivery and/or retrieval of the implantable leadless cardiac pacing device.
249 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, a distal end, and defining a central longitudinal axis; one or more electrodes associated with the housing; a pulse generator providing electrical signals to the one or more electrodes to provide electrical stimulation to cardiac tissue; and a docking member extending from the proximal end of the housing, the docking member being configured to facilitate delivery of the implantable leadless cardiac pacing device; wherein the docking member includes a neck portion extending proximally from the housing coaxially with the central longitudinal axis and a plurality of spokes extending radially outward from the neck portion; wherein each spoke includes a base portion adjacent the neck portion and a free end; wherein a width of each spoke at the free end as viewed axially is greater than a width of each spoke at the base portion as viewed axially. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An implantable leadless cardiac pacing device, comprising:
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a housing having a proximal end, a distal end, and defining a central longitudinal axis; one or more electrodes associated with the housing; a pulse generator providing electrical signals to the one or more electrodes to provide electrical stimulation to cardiac tissue; and a docking member extending from the proximal end of the housing; wherein the docking member includes a neck portion extending proximally from the housing coaxially with the central longitudinal axis and three or more spokes extending radially outward from the neck portion; wherein each spoke includes a base portion adjacent the neck portion and a free end; wherein spaces having a width as viewed axially are defined between adjacent spokes of the three or more spokes, the width of the spaces between adjacent free ends being greater than the width of the spaces between adjacent base portions. - View Dependent Claims (11, 12, 13, 14)
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15. An implantable leadless cardiac pacing device, comprising:
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a housing having a proximal end, a distal end, and defining a central longitudinal axis; one or more electrodes associated with the housing; a pulse generator providing electrical signals to the one or more electrodes to provide electrical stimulation to cardiac tissue; and a docking member extending from the proximal end of the housing, the docking member being configured to facilitate delivery and retrieval of the implantable leadless cardiac pacing device; wherein the docking member includes a neck portion extending proximally from the housing coaxially with the central longitudinal axis and three or more spokes extending laterally away from the neck portion and symmetrically arranged circumferentially about the central longitudinal axis; wherein each spoke includes a base portion adjacent the neck portion and a free end opposite the base portion relative to the neck portion; wherein spaces having a width as viewed axially are defined between adjacent spokes of the three or more spokes, the width between adjacent free ends being greater than the width between adjacent base portions. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification