Syringe needle protection device
A protection device and syringe technology, applied in the field of medical devices, can solve the problems of high cost and complicated production, and achieve the effect of avoiding pollution and accidental injury, avoiding high cost and simple structure
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Embodiment 1
[0031] Such as Figure 1~2As shown, this embodiment provides a syringe needle protection device, which includes a syringe fixing sleeve 1, a needle protection sleeve 2 and a locking device. The syringe fixing sleeve 1 includes a sliding connection sleeve 3 and a support fixing part. The support and fixing part is fixedly connected, and the other end of the sliding connection sleeve 3 is sleeved on one end of the needle protection sleeve 2 and is slidably connected with the needle protection sleeve 2. The other end of the needle protection sleeve 2 is provided with a needle inlet and outlet 4, and the needle protection sleeve 2 is provided with a needle inlet. One end of the outlet 4 is fixed with an elastic support seat 5, and one end of the syringe equipped with a needle passes through the sliding connection sleeve 3 and extends into the needle protection sleeve 2. The supporting and fixing part is used to support and fix the syringe, and the needle protection sleeve 2 is used...
Embodiment 2
[0042] Such as Figure 6~7 As shown, this embodiment provides a syringe needle protection device. The difference from Embodiment 1 is that the locking device includes a locking block 15, which is fixedly arranged on the outer wall of the needle protection sleeve 2, and slides on the side of the connecting sleeve 3. The wall is provided with a vertical groove 16 and an upper transverse groove 17 and a lower transverse groove 18 respectively connected to the upper and lower ends of the vertical groove 16. When the needle head protrudes from the needle inlet and outlet 4, the clamping block 15 is snapped into the upper transverse groove 17 , lock the needle protection sleeve 2 and the sliding connection sleeve 3; when the needle is located in the needle protection sleeve 2, the locking block 15 is snapped into the lower transverse groove 18, and the needle protection sleeve 2 and the sliding connection sleeve 3 are locked to prevent the needle protection sleeve from 2 and the sli...
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