
The fear of a visit to the doctor for an injection will soon be a thing of the past thanks to a painless new vaccine delivery system that has been perfected in Japan. Kanji Takada, a professor of pharmacokinetics - or the study of the absorption, distribution and fate of substances delivered to the human body - has developed a round vaccine "chip" measuring just 1.5 cm in diameter that contains as many as 300 micro needles. The device can deliver drugs to the body without breaking the dermis layer of skin.
By penetrating just 0.5 millimetres before the needles dissolve and administer the vaccine, the patient feels no discomfort and there is no bleeding, said Professor Takada, of Kyoto Pharmaceutical University.
"The patch can be used to deliver any type of vaccine and people are not frightened of having the injection because they feel nothing at all," said Professor Takada.
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