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<p>Implantable medical devices are the devices that are implanted inside the human body to perform various activities like restoring the functions of a damaged organ, monitoring the physiological parameters, replacing a dysfunctional biological structure. Because of these devices many people in the world are living a healthy, comfortable and longer life. These devices need to be small in size, light weight, biocompatible and low power consuming in order to be implanted inside the human body, brain, etc. Complementary metal oxide semiconductor (CMOS) technology plays the crucial role in the design of these implantable medical devices (IMDs). Using this technology, highly integrated and miniaturized electronic circuits are designed for IMDs which accounts for small size of the device. Electronic circuits like amplifier, filter, analog-to-digital converter, wireless transceivers are extensively used in IMDs. Low power consumption of CMOS technology has made these devices to be operated by battery embedded in the IMD. But restricted battery lifetime is a big problem in IMDs as it requires replacement of batteries after an interval of few years. Use of ultra-low power CMOS circuits will increase the battery life by further reducing the power consumption. Wireless power transfer along with ultra-low power CMOS circuits can provide a solution to this problem in the form batteryless system. In this article Implantable medical devices and challenges associated with them are briefly described. The role of CMOS technology in implant design and overcoming the challenges of battery life limitation are&#xa0;also presented.</p>

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CMOS Circuits in the Design and Development of Implantable Medical Devices

  • 期刊论文

  • 发表日期：

    2025年1月27日

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  • Mariam Jabali Laskar,
  • Anirban Banerjee,
  • Vikash Prasad,
  • Debaprasad Das

摘要

Implantable medical devices are the devices that are implanted inside the human body to perform various activities like restoring the functions of a damaged organ, monitoring the physiological parameters, replacing a dysfunctional biological structure. Because of these devices many people in the world are living a healthy, comfortable and longer life. These devices need to be small in size, light weight, biocompatible and low power consuming in order to be implanted inside the human body, brain, etc. Complementary metal oxide semiconductor (CMOS) technology plays the crucial role in the design of these implantable medical devices (IMDs). Using this technology, highly integrated and miniaturized electronic circuits are designed for IMDs which accounts for small size of the device. Electronic circuits like amplifier, filter, analog-to-digital converter, wireless transceivers are extensively used in IMDs. Low power consumption of CMOS technology has made these devices to be operated by battery embedded in the IMD. But restricted battery lifetime is a big problem in IMDs as it requires replacement of batteries after an interval of few years. Use of ultra-low power CMOS circuits will increase the battery life by further reducing the power consumption. Wireless power transfer along with ultra-low power CMOS circuits can provide a solution to this problem in the form batteryless system. In this article Implantable medical devices and challenges associated with them are briefly described. The role of CMOS technology in implant design and overcoming the challenges of battery life limitation are also presented.