{"id":10657,"date":"2021-05-17T06:23:54","date_gmt":"2021-05-17T10:23:54","guid":{"rendered":"https:\/\/www.iotm2mcouncil.org\/?post_type=news&p=10657"},"modified":"2021-05-17T06:23:55","modified_gmt":"2021-05-17T10:23:55","slug":"implantable-chip-monitors-body-functions","status":"publish","type":"news","link":"https:\/\/www.iotm2mcouncil.org\/iot-library\/news\/connected-health-news\/implantable-chip-monitors-body-functions\/","title":{"rendered":"Implantable chip monitors body functions"},"content":{"rendered":"\n
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Researchers at Columbia Engineering in New York have developed a single chip that can be injected into the body to monitor and map biological signals.<\/p>\n\n\n\n

This can be used to support and enhance physiological functions, and treat diseases.<\/p>\n\n\n\n

Implantable medical devices are transforming healthcare and improving the quality of life for millions of people. Researchers are increasingly interested in designing wireless, miniaturised implantable medical devices for in vivo<\/em> and in situ<\/em> physiological monitoring. These devices could be used to monitor physiological conditions, such as temperature, blood pressure, glucose and respiration for diagnostic and therapeutic procedures.<\/p>\n\n\n\n

To date, conventional implanted electronics have been highly volume-inefficient; they generally require multiple chips, packaging, wires and external transducers, and batteries are often needed for energy storage. A constant trend in electronics has been tighter integration of electronic components, often moving more and more functions onto the integrated circuit itself.<\/p>\n\n\n\n

Researchers at Columbia Engineering report that they have built what they say is the world’s smallest single-chip system, consuming a total volume of less than 0.1mm3<\/sup>. It is as small as a dust mite and visible only under a microscope. To achieve this, the team used ultrasound to power and communicate with the device wirelessly.<\/p>\n\n\n\n

The study was publishedonline this month in Science Advances<\/em>.<\/p>\n\n\n\n

\u201cWe wanted to see how far we could push the limits on how small a functioning chip we could make,\u201d said the study\u2019s leader Ken Shepard, Lau Family professor of electrical engineering and professor of biomedical engineering. \u201cThis is a new idea of chip as system. This is a chip that alone, with nothing else, is a complete functioning electronic system. This should be revolutionary for developing wireless, miniaturised implantable medical devices that can sense different things, be used in clinical applications, and be eventually approved for human use.\u201d<\/p>\n\n\n\n

The team also included Elisa Konofagou, Robert and Margaret Hariri professor of biomedical engineering and professor of radiology, as well as Stephen Lee, a PhD student in Konofagou\u2019s lab who assisted in the animal studies.<\/p>\n\n\n\n

The design was done by doctoral student Chen Shi, who is the first author of the study. Shi\u2019s design is unique in its volumetric efficiency, the amount of function that is contained in a given amount of volume.<\/p>\n\n\n\n

Traditional RF communications links are not possible for a device this small because the wavelength of the electromagnetic wave is too large relative to the size of the device. Because the wavelengths for ultrasound are much smaller at a given frequency because the speed of sound is so much less than the speed of light, the team used ultrasound to power and communicate with the device wirelessly. They fabricated the antenna for communicating and powering with ultrasound directly on top of the chip.<\/p>\n\n\n\n

The chip, which is the entire implantable and injectable mote with no additional packaging, was fabricated at the Taiwan Semiconductor Manufacturing Company with additional process modifications performed in the Columbia Nano Initiative cleanroom and the City University of New York Advanced Science Research Center (ASRC) Nanofabrication Facility.<\/p>\n\n\n\n

\u201cThis is a nice example of more-than-Moore technology,\u201d said Shepard. \u201cWe introduced new materials onto standard complementary metal-oxide-semiconductor to provide new function. In this case, we added piezoelectric materials directly onto the integrated circuit to transducer acoustic energy to electrical energy.\u201d<\/p>\n\n\n\n

Konofagou added: \u201cUltrasound is continuing to grow in clinical importance as new tools and techniques become available. This work continues this trend.\u201d<\/p>\n\n\n\n

The team\u2019s goal is to develop chips that can be injected into the body with a hypodermic needle and then communicate back out of the body using ultrasound, providing information about something they measure locally. The current devices measure body temperature, but there are more possibilities the team is working on.<\/p>\n\n\n\n

Columbia Engineering, based in New York, is also known as the Fu Foundation School of Engineering & Applied Science. It expands knowledge and advances technology through the research of its more than 220 faculty, while educating undergraduate and graduate students in a collaborative environment.<\/p>\n","protected":false},"author":26710,"featured_media":10658,"template":"","news-category":[54],"library-tag":[],"acf":[],"yoast_head":"\nImplantable chip monitors body functions - IoT M2M Council<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.iotm2mcouncil.org\/iot-library\/news\/connected-health-news\/implantable-chip-monitors-body-functions\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Implantable chip monitors body functions - IoT M2M Council\" \/>\n<meta property=\"og:description\" content=\"Researchers at Columbia Engineering in New York have developed a single chip that can be injected into the body to monitor and map biological signals. 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