| 摘要 |
PURPOSE: A scanner is provided to easily form sound pressure inside a syringe, which is required for taking thyroid histiocyte by using a stopper member, a stopper barrier groove, and a connection valve. CONSTITUTION: A piston rod(14) is inserted into a syringe body(12) in order to form sound pressure. A rear handle part(15) is formed in the rear end part of the syringe body in order to support fingers when the piston rod is moved. A stopper member(20) is combined with the rear handle part of the syringe body. The stopper member sets the location of the piston rod moving inside the syringe body. A stopper barrier groove(14a) is formed in the body of the piston rod. The stopper barrier groove clinches the stopper member.
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