Virob
autonomous crawling micro-robot
Screenshots
Hunter's comment
This is a technology of the future. It is an autonomous crawling robot that is controlled remotely. It is a robotic technology in the medical industry that is used inside the human body. It structure and size allows it to remain in the body for long periods and also easily pass through tight spaces.
The big idea behind the ViRob device is that it can be used to deliver pharmaceutical payloads to precise locations or pull a microcatheter through tortuous terrain.
(content reference
Link
http://www.microbotmedical.com/technology/virob/
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Hunter: 
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