Apparatus and methods for deploying cardiac electrodes
First Claim
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1. A cardiac electrode deployment device comprising:
- a support; and
an electrode structure deployable from the support, said electrode structure including a planar region and a conformable, raised center region, wherein electrode surfaces on the planar region and on the center region are electrically isolated from each other.
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Abstract
A cardiac electrode deployment device comprises a support and an electrode structure deployable from the support. The electrode structure includes a planar region and a conformable, raised center region, wherein the electrode surfaces on the planar region and on the center region are electrically isolated from each other. The electrode structure is configured to engage against an outer surface of the heart, such as the pericardium, in order to provide electrical contact with the heart for EKG monitoring of the heart, delivery of pacing energy, and/or other low power applications. Usually, the electrode structure will also be suitable for performing direct cardiac massage.
57 Citations
37 Claims
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1. A cardiac electrode deployment device comprising:
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a support; and
an electrode structure deployable from the support, said electrode structure including a planar region and a conformable, raised center region, wherein electrode surfaces on the planar region and on the center region are electrically isolated from each other. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system comprising:
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a support;
an electrode structure deployable from the support, said electrode structure including a planar region and a conformable, raised center region, wherein electrode surfaces on the planar region and on the center region are electrically isolated from each other;
a power supply controller; and
wherein the support comprises a first electrically conductive path for connecting the electrode surface on the planar region to the external power supply controller and a second electrically conductive path isolated from the first path for connecting the electrode surface of the center region to the external power supply controller. - View Dependent Claims (12, 13)
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14. A cardiac electrode deployment device comprising:
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a support having a proximal end, a distal end, and a blunt tip;
a first electrode structure deployable from the distal end of the support, said first electrode structure including a planar region; and
a second electrode structure attached to the blunt tip, said second electrode structure having a conformable, raised center region, wherein electrode surfaces on the first and second electrode structures are electrically isolated from each other. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22)
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23. A method for electrically contacting a heart, said method comprising:
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percutaneously introducing an electrode structure against the heart;
establishing a first electrically conductive path to the heart through a first electrode surface on a planar region of the electrode structure;
establishing a second electrically conductive path to the heart through a second electrode surface on a raised center region of the electrode structure, wherein the first and second electrode surfaces are electrically isolated from each other; and
establishing an electrical circuit between the first and second electrically conductive paths. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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Specification