New System Wirelessly Tracks Objects Inside Human Body

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MIT researchers examined the new system to locate chicken fat and found that tumors with in-body microchips can be tracked efficiently

A new device developed by MIT’s Computer Science and Artificial Intelligence Laboratory (CSAIL), dubbed ReMix, can potentially track the location of objects inside the human body. The team demonstrated tracking of implants down to 1.4 cm inside animal tissue – specifically dead chickens, ground chicken, and pork belly using a combination of ingestible implants and low-power wireless signals. Researchers believe that this system is ideal for emulating human tissues.

The ReMix system operates by implanting a marker into the tissue. Wireless device is used to track movement in the body, which determines precise location in the body by using algorithms designed specifically to address the interference caused by body-matter. The marker reflects the signal transmitted by a device outside the body, eliminating the need for an external energy source.

The technology has application in drug delivery to particular parts of the body in cancer treatment. Furthermore, team is working on clinical setting to test the technology in live subjects. Further work is focused on combining the wireless data with other medical data such as MRI scans. Moreover, there are challenges associated with complex and different human bodies, which need to go into refining the algorithms to accommodate various shapes and sizes. The MIT team worked in collaboration with Massachusetts General Hospital. The research was led by CSAIL’s Dina Katabi. The team’s research will be presented at the Association for Computing Machinery’s Special Interest Group on Data Communications in Budapest in August 2018.

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