| 摘要 |
The present invention discloses a disposable safety syringe that has a needle hub having an accommodating space therein for various purposes. More specifically, the present invention provides a needle hub, configured to an end of a barrel, wherein the needle hub comprises an internal needle, an external needle and a hub body. The hub body has an accommodating space formed therein, the internal needle is configured at a proximal end of the hub body, the external needle is configured at a distal end of the hub body, the internal needle and the external needle are connected to the accommodating space for various purposes. Furthermore, the present application further provides a multi-stage protector for avoiding needle prick accidents. |
| 主权项 |
1. A disposable safety syringe, for injecting a first solution in a sealed cartridge to a subject matter, comprising:
a barrel, having a first opening and a corresponding second opening, the barrel extending along an extension direction; a handle, configured to the first opening of the barrel; a plunger, having a rod, the rod penetrating through the handle so as to enter the barrel via the first opening thereof, for allowing the rod to slide along the extension direction inside the barrel; and a needle hub, configured to the second opening of the barrel, the needle hub comprising an internal needle, an external needle and a hub body, the hub body having an accommodating space formed therein, the internal needle configured at a proximal end of the hub body, the external needle configured at a distal end of the hub body, the internal needle and the external needle connected to the accommodating space respectively; wherein, while the sealed cartridge is disposed in the barrel and the first solution in the sealed cartridge can be injected to the subject matter via the internal needle, the accommodating space and the external needle by applying a force to the plunger. |
