article_snippet.sent: But the device is especially applicable to people who are more susceptible to pain.'
article_snippet.sent: As such, Andy Zhang said, it is particularly useful for children and the elderly.
article_snippet.sent: And, it is intended for use during procedures 'where you have to get shots in more sensitive areas of the body, such as the face or the groin', Andy Zhang added.
article_snippet.sent: The trio said the device could also be used to ease the pain of ear piercings and tattooing, and help reduce swelling. '
article_snippet.sent: The team from Rice University in Houston said the device could be used in future for those having tattoos, or people wanting to get those having tattoos ears pierced without suffering the pain . '