While the use of electrical stimulation to aid spinal cord injuries is not something new, the novel PolyUStimulator developed by the research team led by Prof. Zheng Yongping is only about 3mm in size. Given its small size, it can be injected into a patient’s body via a syringe instead of an invasive surgery. With piezoelectric powered by ultrasonic waves transmitted externally, this new device has an advantage over traditional battery-powered ones that require surgical intervention to replace the battery. The estimated cost of the neurostimulator is about US$2,000, one tenth the price of traditional devices currently available on the market. It is expected to be launched in about five years.
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