jian_qiy2020-10-17👍560 The utility model provides a disposable syringes, needles (1), syringes (2), Detroit (3), Putters (4) component, syringes (2) the front of the package connected to the nipple on the needle (1 ), Putters (4) front-end with a piston (3), characterized the syringes (2) the back-end with the opening of the cone-shaped block walls Central (5), near the putter (4) the back-end putt (4), and cone-shaped block walls with Central (5) compatible to the syringes (2) out of two convex wall above the wing (6). This new practical advantages: simple structure, convenient operation, liquid injection after completion Putter and the Pistons unable to return to Rafah, can effectively prevent the repeated use of syringes, and improve the quality of medical supplies and the use of the security, to achieve the aim of using one-time .