Adv Miniaturized Capacitor for Implantable Defibrillator

用于植入式除颤器的先进微型电容器

• 批准号: 6550646
• 负责人: BADAWI M DWEIK
• 金额: $ 37.38万
• 依托单位: GINER, INC.
• 依托单位国家: 美国
• 财政年份: 2001
• 资助国家: 美国
• 起止时间: 2001-02-01 至 2004-07-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/6550646
• 关键词: artificial membranes; bioengineering /biomedical engineering; biomedical equipment development; dielectric property; electrical conductance; electrical property; electrochemistry; electrolytes; implant; implantable defibrillators; medical implant science; microelectrodes; miniature biomedical equipment; oxides; polymers; ruthenium; sulfonate; tantalum

DESCRIPTION (provided by applicant):The goal of this project is to develop an advanced, miniaturized, all solid hybrid capacitor type (Electrochemical-Electrolytic) for the next generation of Implantable Cardioverter defibrillators (ICD.) By combining the advantages of the electrochemical capacitor solid polymer electrolyte and the electrolytic capacitor, the proposed design will yield a high voltage, small volume and low Equivalent Series Resistance (ESR) device with simplified packaging process, Besides the potential for volume and/or mass reductions, which will significantly contribute to the clinically important efforts of reducing the size of the presently implantable defibrillator, other inherent characteristics of hybrid capacitor could be critical drivers for selection of this technology for implantable defibrillators. Incorporating the solid electrolyte would eliminate any possibility of electrolyte leakage, thus enhancing reliability, life and safety of the proposed hybrid capacitor, which will have a significant impact on selection of this technology. During Phase I, the feasibility of the proposed concept of the solid polymer electrolyte hybrid capacitor was clearly demonstrated. For Phase II it is planned to extend the investigation to identify methods for further modification of the internal anode structure by increasing its surface area to gain higher capacitance. It is planned to optimize and standardize processes and designs, to build stacks, evaluate capacitor housing and encapsulation materials and procedures, to perform long-term stability and reliability tests, and to study and select sterilization and packaging options. Phase 11, and Phase Ill work related to product development and production preparation tasks will be performed together with a capacitor company working with customers in the ICD and heart-support field. PROPOSED COMMERCIAL APPLICATIONS: The commjercial potential of this application is significant, there is critical need for reduced size, high energry density capacitor for the implantable defibrillators, in addition these technologies are needed to open up a significant opportunity for making other implantable support devices, i.e., for nerve and muscle stimulation. There are also many applications for the proposed hybrid capacitor for military and industrial applications where a high energry density pulse or bust power source of a high voltage/capacitance electronic element is required.

描述（由申请人提供）：该项目的目标是通过结合电化学电容器的优点，为下一代植入式心脏复律除颤器（ICD）开发一种先进的、小型化的、全固态混合电容器类型（电化学-电解）。固体聚合物电解质和电解电容器，所提出的设计将产生高电压、小体积和低等效串联电阻（ESR）器件，并简化封装工艺，除了体积和/或质量的潜力之外减少，这将大大有助于减少目前植入式除颤器尺寸的临床重要努力，混合电容器的其他固有特性可能是选择该技术用于植入式除颤器的关键驱动因素。加入固体电解质将消除任何电解质泄漏的可能性，从而提高所提出的混合电容器的可靠性、寿命和安全性，这将对这项技术的选择产生重大影响。在第一阶段，所提出的固体聚合物电解质混合电容器概念的可行性得到了明确的证明。对于第二阶段，计划扩大研究范围，以确定通过增加其表面积以获得更高电容来进一步修改内部阳极结构的方法。计划优化和标准化流程和设计，构建堆栈，评估电容器外壳和封装材料和程序，执行长期稳定性和可靠性测试，并研究和选择灭菌和包装选项。第11阶段和第3阶段与产品开发和生产准备任务相关的工作将与一家电容器公司一起进行，该公司与ICD和心脏支持领域的客户合作。 拟议的商业应用： 该应用的商业潜力是巨大的，植入式除颤器迫切需要尺寸减小、高能量密度的电容器，此外，还需要这些技术来为制造其他植入式支撑装置（即用于神经和心脏的支撑装置）开辟重要机会。肌肉刺激。所提出的混合电容器还有许多用于军事和工业应用的应用，其中需要高电压/电容电子元件的高能量密度脉冲或突发电源。