Outer cylinder for prefilled syringe and outer cylinder packaging for prefilled syringe

摘要

The outer cylinder (6) for a prefilled syringe comprises an outer tube body portion (61), a base end portion of the outer tube body portion (61) provided at a base end portion thereof, projecting outwardly and having an outer tube holding opening portion (61) enclosing the nozzle portion (64), the nozzle portion (64) provided at the tip portion of the outer tube body portion (61), the flange portion (62) And a lock adapter (70) having a diameter larger than the outer diameter of the outer cylinder holding member (4) and capable of passing through the outer cylinder holding opening portion (45), the outer cylinder for prefilled syringe (6) Is inserted from the distal end side into the tube holding opening (45), and the flange portion (62) comes into contact with the peripheral edge of the outer tube holding opening (45) and is suspended, and furthermore, the outer cylinder for the prefilled syringe (6) is located at the proximal end portion of the lock adapter (70) and is inclined toward the outer peripheral surface of the outer tube main body portion (61), and the outer cylinder for prefilled syringe from the outer tube holding opening portion (45) (70) for conducting guidance at the time of removal of the piston (6).