Chip 'pump' drug needles

US researchers have successfully tested a chip inserted under the skin to provide women with osteoporosis.

This device is small in pacemaker size, or a USB flash drive, coated with a gold nanoparticle to protect the drug contained within the small cavity. When the chip receives a wireless signal, it automatically delivers drugs into the bloodstream.

Equipment can replace the doctor to use
Injection needles for patients (Photo: AFP)

Researchers tested the device by under-waisting of seven women aged 65-70 in Denmark using teriparatide to treat osteoporosis.

After 12 months of follow-up, the researchers found that this treatment improved bone formation and reduced the risk of fractures, and delivered drugs as effectively as daily injections.

The device also promises that someday, patients will not need to inject drugs every day, and doctors will adjust their dosage by remote control.

Scientists plan to continue research on the microchip system for heart disease, multiple sclerosis, cancer and chronic pain. For another 5 years, this device will likely be marketed.

However, the concern in studies is that implanting a chip under the skin may lead to the formation of collagen-fibrous tissue around the microchannel. This can interrupt the delivery of the drug.