Abstract: The present disclosure provides a shielding apparatus for a lower end of an injection needle and an injection device, and relates to the technical field of injection instruments. By using the shielding apparatus for a lower end of an injection needle in the present disclosure, in the process of mounting a needle holder on an insulin pen, and when the injection needle is completely removed from the insulin pen, the limit block also moves downwardly to abut against a bottom wall of the moving groove, and the shielding cylinder completely covers the lower end of the injection needle, so as to avoid a situation that a user accidentally touches the lower end of an injection needle to be injured, thereby avoiding the safety risk when the lower end of the injection needle is removed.

Abstract: The present disclosure provides a safe puncture needle, and relates to the technical field of medical devices, which comprises a needle holder, a base and a needle tubing, wherein the needle tubing comprises a needle tubing body and a needle tubing tip having a bent structure, the base comprises a base body and a guide block, the base body is provided with a second inner space, the base body is provided with a first through-hole and a second through-hole communicating with the second inner space, the guide block is provided with a third through-hole, the needle tubing body passes through the first through-hole and the third through-hole and is slidably connected to the guide block, and the needle tubing tip retracts from the second through-hole.

Abstract: The present disclosure provides a puncture guiding needle. The puncture guiding needle includes a needle guard, a needle seat assembly, a first spring and a support, wherein the needle seat assembly and the first spring are disposed inside the needle guard; one end of the needle guard is detachably connected to the support; the needle guard is provided with a first clamping structure; a pressing portion is connected to the first clamping structure; the pressing portion is located outside the needle guard; the needle seat assembly is provided with a second clamping structure which is in clamping connection with the first clamping structure; a needle tube is disposed at one end of the needle seat assembly close to the support; the first spring is sandwiched between the needle guard and the end of the needle seat assembly away from the support.

Abstract: The present disclosure provides an injection pen needle, which includes a needle head, a needle seat, an outer sleeve, a sliding sleeve and a limit ring, wherein the needle head is arranged on the needle seat; the needle seat comprises baffle plates; the outer sleeve is arranged on the needle seat in a sleeving manner; the lower part of the sliding sleeve enters the outer sleeve and is adapted to move up and down in the outer sleeve, and a channel hole, from which the needle head can penetrate out, is formed in the top of the sliding sleeve; the limit ring is arranged in the outer sleeve; the limit ring comprises sliding blocks; the bottom of the sliding sleeve pushes against the limit ring; and when the sliding sleeve moves up and down in the outer sleeve.

Abstract: A needle end and a safety syringe are provided, belonging to technical field of medical instruments. The safety syringe includes an injection end, a liquid storage device, and a base. The injection end includes a needle base, an injection needle, and a needle guard assembly. The injection needle is fixed to the needle base. The needle guard assembly is connected to the needle base. The needle guard assembly includes a protective casing and a spring, wherein a first terminal of the spring is connected to the needle base and a second terminal of the spring is connected to the protective casing. The liquid storage device includes a liquid storage container and a liquid storage sleeve. The liquid storage is sleeved on an outer surface the liquid storage container, wherein the liquid storage container is detachably connected to the injection end. The base is detachably connected to the liquid storage device.

Abstract: A needle end and a safety syringe are provided, belonging to technical field of medical instruments. The safety syringe includes an injection end, a liquid storage device, and a base. The injection end includes a needle base, an injection needle, and a needle guard assembly. The injection needle is fixed to the needle base. The needle guard assembly is connected to the needle base. The needle guard assembly includes a protective casing and a spring, wherein a first terminal of the spring is connected to the needle base and a second terminal of the spring is connected to the protective casing. The liquid storage device includes a liquid storage container and a liquid storage sleeve. The liquid storage is sleeved on an outer surface the liquid storage container, wherein the liquid storage container is detachably connected to the injection end. The base is detachably connected to the liquid storage device.