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公开(公告)号：US20210275824A1
公开(公告)日：2021-09-09
申请号：US17191071
申请日：2021-03-03
Applicant: Medtronic, Inc.
Inventor： Kaileigh E. Rock , Michael D. Eggen , Jean M. Carver , Duane N. Mateychuk , Zhongping C. Yang , Douglas S. Hine , Scott J. Brabec , Vania Lee
Abstract: An implantable medical device (IMD) comprises a plurality of deep tines configured to be advanced into a septum of a heart of a patient in different directions that are not parallel to a longitudinal axis of the implantable medical device, wherein each deep tine of the plurality of deep tines is configured to deliver cardiac pacing to cardiac tissue distal to a chamber of the heart in which the IMD is implanted, and one or more shallow electrodes engageable with the septum, wherein the one or more shallow electrodes are configured to deliver cardiac pacing to the chamber of the heart in which the IMD is implanted.
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公开(公告)号：US20240285957A1
公开(公告)日：2024-08-29
申请号：US18654558
申请日：2024-05-03
Applicant: Medtronic, Inc.
Inventor： Kaileigh E. Rock , Michael D. Eggen , Jean M. Carver , Duane N. Mateychuk , Zhongping C. Yang , Douglas S. Hine , Scott J. Brabec , Vania Lee
CPC classification number: A61N1/37512 , A61N1/0573 , A61N1/368 , A61N1/37518 , A61N1/3756
Abstract: An implantable medical device (IMD) comprises a plurality of deep tines configured to be advanced into a septum of a heart of a patient in different directions that are not parallel to a longitudinal axis of the implantable medical device, wherein each deep tine of the plurality of deep tines is configured to deliver cardiac pacing to cardiac tissue distal to a chamber of the heart in which the IMD is implanted, and one or more shallow electrodes engageable with the septum, wherein the one or more shallow electrodes are configured to deliver cardiac pacing to the chamber of the heart in which the IMD is implanted.
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公开(公告)号：US11975206B2
公开(公告)日：2024-05-07
申请号：US17191071
申请日：2021-03-03
Applicant: Medtronic, Inc.
Inventor： Kaileigh E. Rock , Michael D. Eggen , Jean M. Carver , Duane N. Mateychuk , Zhongping C. Yang , Douglas S. Hine , Scott J. Brabec , Vania Lee
CPC classification number: A61N1/37512 , A61N1/0573 , A61N1/368 , A61N1/37518 , A61N1/3756
Abstract: An implantable medical device (IMD) comprises a plurality of deep tines configured to be advanced into a septum of a heart of a patient in different directions that are not parallel to a longitudinal axis of the implantable medical device, wherein each deep tine of the plurality of deep tines is configured to deliver cardiac pacing to cardiac tissue distal to a chamber of the heart in which the IMD is implanted, and one or more shallow electrodes engageable with the septum, wherein the one or more shallow electrodes are configured to deliver cardiac pacing to the chamber of the heart in which the IMD is implanted.
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公开(公告)号：US20150283375A1
公开(公告)日：2015-10-08
申请号：US14743838
申请日：2015-06-18
Applicant: Medtronic, Inc.
Inventor： Lea A. Nygren , James A. Coles, Jr. , Scott J. Brabec , Randy G. Rose
CPC classification number: A61N1/05 , C23C28/32 , Y10T29/49204
Abstract: A method for fabricating an implantable medical electrode includes roughening the electrode substrate, applying an adhesion layer, and depositing a valve metal oxide coating over the adhesion layer under conditions optimized to minimize electrode impedance and post-pulse polarization. The electrode substrate may be a variety of electrode metals or alloys including titanium, platinum, platinum-iridium, or niobium. The adhesion layer may be formed of titanium or zirconium. The valve metal oxide coating is a ruthenium oxide coating sputtered onto the adhesion layer under controlled target power, sputtering pressure, and sputter gas ratio setting optimized to minimize electrode impedance and post-pulse polarization.
Abstract translation: 一种用于制造可植入医疗电极的方法包括使电极基板粗糙化，施加粘合层，以及在优化以最小化电极阻抗和脉冲后极化的条件下，在粘附层上沉积阀金属氧化物涂层。 电极基板可以是各种电极金属或包括钛，铂，铂 - 铱或铌的合金。 粘合层可以由钛或锆形成。 阀金属氧化物涂层是在受控目标功率，溅射压力和溅射气体比设置下溅射到粘附层上的氧化钌涂层，其被优化以最小化电极阻抗和后脉冲极化。
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