| 摘要 |
The utility model relates to a self-destroying syringe with a rubber piston, which can be supplied to be connected and provided with a needle head. The utility model comprises a needle cylinder, a push rod and a rubber plug, wherein, the needle cylinder is provided with a cylinder body which is provided with a first containing hole, a shrinkage cavity part is formed at the front end of the first containing hole, and a second containing hole is formed from the shrinkage cavity part to the direction of the needle head; the push rod is provided with a rod body, a plug control body is formed at the front end of the rod body, and a push-pull part is arranged on the rear end of the rod body for fingers to push and pull; the rubber plug is actuated by being pushed and pulled by the plug control body of the push rod, the rubber plug is provided with a first plug body for sealing the first containing hole of the needle cylinder, and a second plug body is connected and arranged in the direction of the needle head corresponding to the first plug body. When the first plug body of the rubber plug is pushed to the shrinkage cavity part of the needle cylinder by the push rod, the push rod still can be propelled to push the second plug body of the rubber plug into the second containing hole of the needle cylinder by the plug control body.
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