| 摘要 |
The device (1) for the administration of fluid products comprises a tubular body (2) for containing a fluid product (P) to be administered and connected to an outlet opening (3) for the fluid product (P), temporary closing means (9) of the outlet opening (3), a piston (5) axially sliding sealed inside the tubular body (2) along a sliding direction (A) and a deformable element (6) connected sealed to the tubular body (2) and suitable for defining an air chamber (7) for the operation of the piston (5), the crushing of the deformable element (6) being suitable for pressurising the air in the air chamber (7) to push the piston (5) along the sliding direction (A). |
