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Syringe

A technology of syringes and injection tubes, applied in the field of medical devices, can solve the problems of needles without protective devices, easily injuring medical staff and patients, cross-infection, etc., and achieve the effect of avoiding contamination

Inactive Publication Date: 2013-01-23
汪庆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When medical personnel perform puncture infusion on patients and after pulling out the needle to stop the infusion, the needles of ordinary infusion sets do not have protective devices, so that the needles of the infusion set are exposed. Consequences such as infection

Method used

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  • Syringe

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Embodiment Construction

[0009] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the embodiments.

[0010] Such as figure 1 As shown, a syringe includes a syringe barrel 1 and a piston rod 2 matched with the syringe barrel 1, a flange 3 is provided at the rear end of the syringe barrel 1, and a push handle 6 is provided at the tail end of the piston rod 2 , put a threaded sheath 4 on the piston rod 2, and insert the front end of the piston rod 2 into the injection barrel 1, so the sheath 4 is set on the flange 3 of the injection barrel 1 and push Between the handles 6. Then one end of the sheath 4 is fixed to the flange 3 of the injection barrel 1, and the other end is fixed to the push handle 6 of the piston rod 2, and the sheath 4 is provided with an exhaust port 5 for exhaust.

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PUM

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Abstract

The invention discloses a syringe. The syringe comprises an injection tube (1) and a piston rod (2) which is matched with the injection tube (1), wherein a flange (3) is arranged on the tail end of the injection tube (1), a push handle (6) is arranged on the tail end of the piston rod (2), and a threaded protective sleeve (4) is sleeved between the push handle (6) and the flange (3) of the injection tube (1); and one end of the protective sleeve (4) and the flange (3) of the injection tube (1) are fixed with each other, and the other end of the protective sleeve (4) and the push handle (6) of the piston rod are fixed with each other. With the syringe, fingers can be prevented from contacting with the piston rod, and thus, liquid medicine in the injection tube can be prevented from being contaminated.

Description

technical field [0001] The invention belongs to medical equipment, in particular to a syringe for intramuscular injection. Background technique [0002] When medical staff perform puncture infusion on patients and after pulling out the needle to stop the infusion, the needles of ordinary infusion sets do not have protective devices, so that the needles of the infusion set are exposed. consequences of infection. Contents of the invention [0003] Purpose of the invention: The present invention aims at the deficiencies of the prior art, and provides a safe and anti-pollution infusion set with a protective cover. [0004] Technical solution: In order to achieve the purpose of the above invention, the present invention adopts the following technical solutions: a syringe, including an injection barrel and a piston rod matched with the injection barrel, the tail end of the injection barrel is provided with a flange; the tail end of the piston rod The end is provided with a pus...

Claims

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Application Information

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IPC IPC(8): A61M5/178A61M5/31
Inventor 汪庆
Owner 汪庆