Significant Discrepancy Between Estimated and Actual Longevity in St. Jude Medical Implantable Cardioverter‐Defibrillators

Doppalapudi, F.H.R.S. Harish; Barrios, James; Cuellar, Jose; Gannon, R N Melanie; Yamada, Takumi; Kumar, F.H.R.S. Vineet; Maddox, F.H.R.S. William R.; Plumb, Vance J.; Brown, Todd M.; M.D., F.H.R.S. H Tom Mcelderry

doi:10.1111/jce.13178

Cardiovasc electrophysiol

2017

DOI: 10.1111/jce.13178

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Significant Discrepancy Between Estimated and Actual Longevity in St. Jude Medical Implantable Cardioverter‐Defibrillators

F.H.R.S. Harish Doppalapudi

James Barrios

Jose Cuellar³

et al.

Abstract: There was significant overestimation of longevity in nearly three-fourths of Current/Promote SJM ICDs in the last 18 months prior to ERI. Longevity estimates of SJM ICDs may not be reliable for making clinical decisions on frequency of follow-up, as the battery approaches depletion.

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2024

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Cited by 2 publications

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Implanted Carbon Nanotubes Harvest Electrical Energy from Heartbeat for Medical Implants

Ruhparwar,

Osswald,

Kim

et al. 2024

Advanced Materials

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Reliability of power supply for current implantable electronic devices is a critical issue for longevity and for reducing the risk of device failure. Energy harvesting is an emerging technology, representing a strategy for establishing autonomous power supply by utilizing biomechanical movements in our body. Here we present a novel “Twistron energy cell harvester” (TECH), consisting of coiled carbon nanotube yarn that converts mechanical energy of the beating heart into electrical energy. The performance of TECH was evaluated in an in vitro artificial heartbeat system which simulates the deformation pattern of the cardiac surface, reaching a maximum peak power of 1.42 W/kg and average power of 0.39 W/kg at 60 beats per minute. In vivo implantation of TECH onto the left ventricular surface in a porcine model continuously generated electrical energy from cardiac contraction. The generated electrical energy was used for direct pacing of the heart as documented by extensive electrophysiology mapping. Implanted modified carbon nanotubes are applicable as a source for harvesting biomechanical energy from cardiac motion for power supply or cardiac pacing.This article is protected by copyright. All rights reserved

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Implanted Carbon Nanotubes Harvest Electrical Energy from Heartbeat for Medical Implants

Ruhparwar,

Osswald,

Kim

et al. 2024

Advanced Materials

View full text Add to dashboard Cite

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Navigating the future of healthcare with innovations and challenges in implantable battery technology for biomedical devices

Krishnamoorthy,

Lakshmipathy,

Ramya

et al. 2024

Discov Appl Sci

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Human Machine Interfaces and biomedical prosthetics are advancing rapidly, merging human and machine capabilities. These innovations offer tremendous benefits, but the effectiveness of implantable medical devices (IMDs) hinges on the reliability of their batteries. This article explores the various battery technologies used to power IMDs. The review focuses on the unique characteristics, identifies current challenges and future opportunities in the design and enhancement of batteries for IMDs. The review delves into different battery technologies, emphasizing advancements in electrode materials, biocompatible electrolytes, innovative power delivery systems, and novel energy harvesting techniques. It explores the potential of incorporating new nanomaterials, wireless charging solutions, and bio-energy harvesting methods in battery design. Furthermore, the review discusses recent progress in AI-powered implantable battery health monitoring. The study identifies key challenges in existing battery technologies, such as issues with energy density, cycling stability, and longevity, and points out possible enhancements facilitated by introducing advanced materials and cutting-edge technologies. The review also highlights the promise of AI techniques in improving the health monitoring of implantable batteries. The review highlights the critical need to address the stringent requirements of implantable battery design to drive the advancement of healthcare technologies. By adopting novel materials, innovative charging, and energy harvesting methods, along with AI-driven health monitoring, substantial improvements in implantable battery performance can be achieved, thereby enhancing the reliability and effectiveness of biomedical prosthetics and implantable devices. Graphical abstract

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Significant Discrepancy Between Estimated and Actual Longevity in St. Jude Medical Implantable Cardioverter‐Defibrillators

Abstract: There was significant overestimation of longevity in nearly three-fourths of Current/Promote SJM ICDs in the last 18 months prior to ERI. Longevity estimates of SJM ICDs may not be reliable for making clinical decisions on frequency of follow-up, as the battery approaches depletion.

Cited by 2 publications

References 14 publications

Implanted Carbon Nanotubes Harvest Electrical Energy from Heartbeat for Medical Implants

Implanted Carbon Nanotubes Harvest Electrical Energy from Heartbeat for Medical Implants

Navigating the future of healthcare with innovations and challenges in implantable battery technology for biomedical devices

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