| 摘要 |
A tri-ring syringe comprising: a barrel (1) including a distal end and a proximal end, the proximal end of the barrel (1) provided with a double ring handle (4); a plunger (2) including a distal end and a proximal end, the proximal end of the plunger (2) provided with a single ring handle (5), the distal end of the plunger (2) connecting with a rubber stopper (6) and being inserted into the interior of the barrel (1); and an insertion part (3) connected to the barrel (1) and rotating synchronously with the barrel. The invention allows the torque of the rotation of the barrel (1) to be transmitted outward. |
