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Retractable safety syringe, has connection element arranged on connection portion at bottom of needle seat, so that needle body is separated from needle base and stop and removed at interior of body
Retractable safety syringe, has connection element arranged on connection portion at bottom of needle seat, so that needle body is separated from needle base and stop and removed at interior of body
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机译:伸缩式安全注射器,在针座底部的连接部分上设有连接元件,使针体与针座分离并停止并在其内部取出
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摘要
The syringe has a push plunger (3) pushed into a syringe body through bottom. A piston (31) is provided before the push plunger. The piston is connected to a connection element (32), where the connection element is arranged on a connection portion (125) at bottom of an upper needle seat (121), so that a needle body (1) is separated from a needle base (21) and from a stop and removed at interior of the syringe body by applying force to push and deform the piston until the connection element is fixed on the connection portion after injection of drug.
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