NEEDLELESS INJECTION APPARATUS
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United States of America Patent
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app pub date -
Aug 11, 2017
filing date -
Feb 12, 2015
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Abstract
A needleless injection apparatus is provided which forms a suitable contact state between an injection opening and an injection object. The needleless injection apparatus is provided with an expansible bag body, a needleless syringe including no injection needle, and a gas supply unit for supplying the expansion gas to the bag body. Here, the needleless syringe has a nozzle portion for injecting an injection objective substance toward the injection object surrounded by the bag body. Then, the bag body includes a first bag portion arranged at any of locations except an arrangement location of the needleless syringe so as to pressurize the injection object by expansion, and a second bag portion arranged at a location at which the nozzle portion is sandwiched between the second bag portion and the injection object so as to push the injection opening to an injection object side by expansion.
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