Endoscopic therapeutic device and double tube for therapeutic device
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United States of America Patent
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Apr 23, 2013
Grant Date -
Aug 28, 2008
app pub date -
Apr 16, 2008
filing date -
Oct 18, 2005
priority date (Note) -
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Abstract
At least an inner tube and an outer tube of a double tube, which forms an insertion section of an endoscopic injector, are formed of different kinds of plastic materials, and the outer tube is formed of a material with a higher rigidity than a material of the inner tube. Thereby, there are provided an endoscopic therapeutic device such as an endoscopic injector, and a double tube for a therapeutic device, which have a good operability of, for example, an operation of projecting a needle, and can perform a stable operation for a diseased part.
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