Koji NAKAMURA,Tetsuya OYAUCHI,Ayumi KUMAGAI,Takeshi AKIYAMA,Shigeru TAMATSUKURI
申请号：
US16514038
公开号：
US20190358400A1
申请日:
2019.07.17
申请国别(地区):
US
年份:
2019
代理人:
摘要：
A syringe is disclosed, which includes a needle having an outer cylinder including an outer cylinder body part and a needle fixing part provided at a distal end part of the outer cylinder body part； an injection needle having a puncturing needle tip at a distal end and fixed to the needle fixing part； and a gasket housed in the outer cylinder. The injection needle is such a tapered part holding injection needle that a puncturing time piercing part having a needle tip has an outer diameter of 0.42 mm or less and has a thickness of 0.1 mm or less, or the injection needle is such a small diameter thin injection needle as to have a thickness of 0.04 mm or less. The gasket includes a gasket body and a soft coating provided on a portion that comes into contact with the inner surface of the outer cylinder.
