Painless microneedle patch will replace traditional needle
December 22, 2016 Source: Kexun
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It is only a matter of time before the painless microneedle patch enters our lives. In the latest issue of the Public Library, the successful research on the microneedle patch of the Royal College of Stockholm research team was published. This research is to implant a stainless steel needle into a soft polymer matrix. This is the first time that this experiment has been mentioned in scientific research. The soft material is also applied, and the intake is also guaranteed.
Unlike the epidermis needle, the microneedle is in contact with the epidermis of the skin to avoid contact with the nervous system. It can be used for infusion injections, health checks for body substances, blood sugar levels, pH values, and other tests to extract body fluids. It can also be used in the fields of beauty and bioelectric therapy.
The person in charge of the group said: “The painless needles currently used for experiments are all bulk materials, that is, the pillows and polymer bases are made of the same material, which helps the skin penetration of the microneedles. However, such materials are generally hard and uncomfortable. If you choose a softer material, it will reduce the permeability of the skin."
To do this, they did two sets of experiments, one of which was more flexible and more flexible than the other set of materials. The more flexible model is solidified by the thiol ene oxide, which is more close to the skin surface as the shape changes. In a 30-minute experiment, 50 microneedles from each group were successfully ingested.
The biggest role of successful microneedle products is skin care, which can reduce the pain caused by injections.
In addition, for patients who are afraid of needle infection and resist injections, microneedles have a healthier advantage. The World Health Organization counts 1.3 million patients who die from improper needle treatment each year.
The team leader added, “Because the microneedles do not enter the bloodstream, the infection and the risk of infection are greatly reduced.â€
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