Various configurations of systems that employ leadless electrodes to provide pacing therapy are provided. In one example, a system that provides multiple sites for pacing of myocardium of a heart includes wireless pacing electrode assemblies that are implantable at sites proximate the myocardium usi
Various configurations of systems that employ leadless electrodes to provide pacing therapy are provided. In one example, a system that provides multiple sites for pacing of myocardium of a heart includes wireless pacing electrode assemblies that are implantable at sites proximate the myocardium using a percutaneous, transluminal, catheter delivery system. Also disclosed are various configurations of such systems, wireless electrode assemblies, and delivery catheters for delivering and implanting the electrode assemblies.
대표청구항▼
1. A method of implanting a leadless pacing device, comprising: advancing a leadless pacing device into a chamber of a heart within a delivery catheter, the leadless pacing device including: a main body; anda plurality of tines coupled to the main body, wherein each of the plurality of tines is conf
1. A method of implanting a leadless pacing device, comprising: advancing a leadless pacing device into a chamber of a heart within a delivery catheter, the leadless pacing device including: a main body; anda plurality of tines coupled to the main body, wherein each of the plurality of tines is configured to self-bias from a first configuration to a second configuration,wherein the main body includes a battery, a first electrode positioned at a distal end of the main body, and a second electrode positioned proximal of the first electrode, the first and second electrodes configured to cooperate to deliver electrical stimulation to the heart; andanchoring the leadless pacing device to a wall of the heart with the plurality of tines as the plurality of tines move to the second configuration, wherein each of the plurality of tines includes a portion extending distal of the first electrode in the second configuration and a distal tip that extends proximal of the first electrode in the second configuration. 2. The method of claim 1, further comprising: positioning the first electrode against the wall of the heart. 3. The method of claim 2, wherein the step of positioning the first electrode against the wall of the heart is performed prior to engaging the wall of the heart with the plurality of tines. 4. The method of claim 2, wherein the first electrode is configured as a cathode and the second electrode is configured as an anode, wherein the first electrode is configured for delivery of electrical stimulation to the wall of the heart while the second electrode is exposed to blood in the heart chamber. 5. The method of claim 1, wherein the portion extending distal of the first electrode in the second configuration extends along an arcuate pathway within the wall of the heart. 6. The method of claim 5, wherein the second configuration is a curled or hook configuration. 7. The method of claim 1, wherein the second electrode is located near a proximal end of the main body. 8. The method of claim 1, wherein the plurality of tines extend from the distal end of the main body in the second configuration. 9. The method of claim 8, wherein the plurality of tines extend from a location at a periphery of the distal end of the main body in the second configuration. 10. The method of claim 1, wherein the plurality of tines extend in a longitudinal direction about a periphery of the main body in the first configuration while advancing the leadless pacing device into the chamber of the heart within the delivery catheter. 11. A method of implanting a leadless pacing device, comprising: advancing a leadless pacing device into a chamber of a heart within a delivery catheter with a plurality of tines of the leadless pacing device in a first configuration, the leadless pacing device including: a main body including a battery, a first electrode positioned at a distal end of the main body, and a second electrode positioned proximal of the first electrode, the first and second electrodes configured to cooperate to deliver electrical stimulation to the heart; andthe plurality of tines coupled to the main body, wherein each of the plurality of tines is configured to self-bias from the first configuration to a second configuration;deploying the leadless pacing device from the delivery catheter with the first electrode positioned against a wall of the heart; andanchoring the leadless pacing device to the wall of the heart with the plurality of tines by moving the plurality of tines from the first configuration to the second configuration, wherein in the second configuration each of the plurality of tines includes a curled portion extending distal of the first electrode and a distal tip that extends proximal of the first electrode. 12. The method of claim 11, wherein the curled portion extends along an arcuate pathway within the wall of the heart. 13. The method of claim 11, wherein the plurality of tines extend in a longitudinal direction about a periphery of the main body in the first configuration. 14. The method of claim 11, wherein the plurality of tines extend from the distal end of the main body in the second configuration. 15. The method of claim 14, wherein the plurality of tines extend from a location at a periphery of the distal end of the main body in the second configuration. 16. A method of implanting a leadless pacing device, comprising: advancing a leadless pacing device into a chamber of a heart within a delivery catheter with a plurality of tines of the leadless pacing device in a first configuration, the leadless pacing device including: a main body including a battery, a first electrode positioned at a distal end of the main body, and a second electrode positioned proximal of the first electrode, the first and second electrodes configured to cooperate to deliver electrical stimulation to the heart; andthe plurality of tines coupled to the main body, wherein each of the plurality of tines is configured to self-bias from the first configuration to a second configuration;positioning the first electrode against a wall of the heart; andpassing the plurality of tines through tissue of the wall of the heart as the plurality of tines transition from the first configuration to the second configuration, wherein in the second configuration each of the plurality of tines includes a portion extending distal of the first electrode and a distal tip that extends proximal of the first electrode. 17. The method of claim 16, wherein the portion extends along an arcuate pathway within the wall of the heart. 18. The method of claim 16, wherein the plurality of tines extend in a longitudinal direction about a periphery of the main body in the first configuration. 19. The method of claim 16, wherein the plurality of tines extend from the distal end of the main body in the second configuration. 20. The method of claim 19, wherein the plurality of tines extend from a location at a periphery of the distal end of the main body in the second configuration.
Spreigl William T. ; Hess Douglas N ; Heynen Henri G.,NLX ; Struble Chester I.,NLX ; von Venrooij Paulus C.,NLX, Apparatus and method for fixing electrodes in a blood vessel.
Ricciardelli Robert H. (4240 Weise Rd. Carson City NV 89701) Shulze John E. (1450 Corte de Primavera Thousand Oaks CA 91360), Applicator structure for biological needle probes employing spiral-shaped retaining coils.
Amundson, Mark D.; Von Arx, Jeffrey A.; Linder, William J.; Rawat, Prashant; Mass, William R., Circumferential antenna for an implantable medical device.
Mark D. Amundson ; Jeffrey A. Von Arx ; William J. Linder ; Prashant Rawat ; William R. Mass, Circumferential antenna for an implantable medical device.
Keusch Preston (New York NY) Essmyer John L. (230 Columbus Ave. Hasbroucks Heights NJ 07604), Conductive hydrogels and physiological electrodes and electrode assemblies therefrom.
Twyford ; Jr. Robert H. (Palo Alto CA) Engelson Erik T. (Mountain View CA) Chee Uriel H. (Palo Alto CA) Mariant Michael J. (Santa Clara CA), Detachable pusher-vasoocclusive coil assembly with interlocking coupling.
Haluska Edward A. (Angleton TX) Whistler Stephen J. (Lake Jackson TX) Baker ; Jr. Ross G. (Houston TX) Calfee Richard V. (Houston TX), Implantable cardiac stimulator for detection and treatment of ventricular arrhythmias.
Williams Terrell M. (Coon Rapids MN) Jula James L. (White Bear Lake MN) Upton James E. (New Brighton MN) Ryden Sten J. (Gothenburg MN SEX) Blankenau Paul D. (Minneapolis MN), Implantable lead system.
Schulman Joseph H. (Santa Clarita CA) Loeb Gerald E. (Kingston CA CAX) Gord John C. (Venice CA) Strojnik Primoz (Granada Hills CA), Implantable microstimulator.
Schulman Joseph H. (Santa Clarita CA) Loeb Gerald E. (Kingston CAX) Gord John C. (Venice CA) Strojnik Primoz (Granada Hills CA), Implantable microstimulator.
Loeb Gerald E. (90 Bagot Street Kingston ; Ontario CAX K7L 3E5 ) Schulman Joseph H. (10650 Comet Way Santa Clarita CA 91351), Implantable multichannel stimulator.
Vachon David J. (Granada Hills CA) Moaddeb Shahram (West Hill CA), Implantable stimulation lead having an advanceable therapeutic drug delivery system.
Wallace,Michael P.; Garabedian,Robert J.; Maners,Wendelin C.; Abrams,Robert, Intravascular self-anchoring electrode body with arcuate springs, spring loops, or arms.
Echt, Debra S.; Riley, Richard E.; Cowan, Mark W.; Brisken, Axel F., Methods and apparatus for determining cardiac stimulation sites using hemodynamic data.
Echt, Debra S.; Riley, Richard E.; Cowan, Mark W.; Brisken, Axel F., Methods and systems for heart failure prevention and treatments using ultrasound and leadless implantable devices.
Echt, Debra S.; Brisken, Axel F.; Riley, Richard E., Methods and systems for treating arrhythmias using a combination of vibrational and electrical energy.
Echt,Debra S.; Brisken,Axel F.; Riley,Richard E., Methods and systems for treating arrhythmias using a combination of vibrational and electrical energy.
Hastings, Roger; Lafontaine, Daniel M.; Becker, John A.; Pikus, Michael J.; Edmunds, Kevin D.; Willard, Martin R., Multi-site atrial electrostimulation.
Munshi Mohammed Z. (Missouri City TX) Nedungadi Ashok P. (Lake Jackson TX), Rechargeable biomedical battery powered devices with recharging and control system therefor.
Schulman Joseph H. (Santa Clarita CA) Loeb Gerald E. (Kingston CA CAX) Gord John C. (Venice CA) Strojnik Primoz (Granada Hills CA), Structure and method of manufacture of an implantable microstimulator.
Schulman Joseph H. (Santa Clarita CA) Loeb Gerald E. (Kingston CAX) Gord John C. (Venice) Strojnik Primoz (Sylmar CA), Structure and method of manufacture of an implantable microstimulator.
Gia, Son; Doan, Hong; Pham, Pete Phong; Sepetka, Ivan; Chee, U. Hiram; Mariant, Michael; Kupiecki, David, System for detaching an occlusive device within a mammalian body using a solderless, electrolytically severable joint.
Von Arx, Jeffrey A.; Amundson, Mark D.; Mass, William R.; Balczewski, Ron; Linder, William J., Telemetry apparatus and method for an implantable medical device.
Hochmair Erwin S. (A-1130 Wien Jaunerstrasse 27 Vienna ATX) Hochmair Ingeborg J. (A-1130 Wien Jaunerstrasse 27 Vienna ATX), Transcutaneous signal transmission system and methods.
Imburgia Michael (1602 Grey Owl Ct. Louisville KY 40223) Pool George E. (3812 Hycliffe Ave. Louisville KY 40207), Transesophageal probe having simultaneous pacing and echocardiographic capability, and method of diagnosing heart diseas.
Stokes Kenneth B. (Brooklyn Park MN) Proctor Keith J. (Lino Lakes MN) Bennett Tommy D. (Shoreview MN) McVenes Rick D. (Ham Lake MN), Universal tined myocardial pacing lead.
Echt,Debra S.; Brisken,Axel F.; Riley,Richard E.; Cowan,Mark W., Vibrational therapy device used for resynchronization pacing in a treatment for heart failure.
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