| 摘要 |
PURPOSE: To provide a disposable puncturing apparatus which enables quickly and relatively painfree puncturing for a puncturing surface of a patient. CONSTITUTION: This puncturing apparatus is provided with a sleeve 1, a push button 2 mounted at one end of the sleeve 1 and a puncturing point 7 while a piston 5 is mounted in the sleeve 1, and a coil spring 8 is arranged inside the sleeve 1 between a surface 8 of the push button 2 and the piston 5. The piston 5 has a wing 11 on the external periphery thereof and the both are carried on an inward protrusion 12. A return spring 10 is arranged inside the sleeve 1 between a bottom part 3 provided with a hole 4 for the puncturing point 7 and the piston 5. |
