| 摘要 |
PURPOSE: Provided is a central venous injection syringe which functions as a probe needle to identify the central vein and is used when inserting a stylet into the central vein. CONSTITUTION: The injection syringe includes a syringe main body and a injection needle installed in the syringe main body to be inserted into a part of a body and is used when inserting a stylet into the central vein of a patient. The injection needle has a separated body divided by a cut part formed for a predetermined length from the tip of the needle toward the base part, the opposite end to the tip of the needle. The separated body is contracted or expanded in a vertical direction to the cut part when the stylet is inserted or not inserted.
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