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Safety injection needle cylinder

A safe injection and syringe technology, applied in ampoule syringes, syringes, infusion sets, etc., can solve the problems of infection of patients, high cost, troublesome replacement of medicines, etc., and achieve the effect of eliminating infectious diseases and convenient filling of medicines.

Inactive Publication Date: 2008-07-02
郑建勋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The aforementioned U.S. invention patent No. 4,772,272 "injection needle protector" is excellent in the design of the protector, but it is designed to be used in conjunction with the special stainless steel syringes in current medical equipment. Due to the high cost of stainless steel syringes, they are usually sterilized and then reused. Once the disinfection is not complete, it will cause the risk of infection for patients.
[0004] In addition, as shown in Figure 10, when this kind of stainless steel syringe B is filled with the medicine tube I, the push rod at the end of the stainless steel syringe B is turned downwards, so that an inlet P is exposed at the end of the syringe, and then the medicine The tube I is loaded into the syringe B from the rear inlet P to replace different injection medicines I, so it seems more troublesome to replace the medicines

Method used

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Embodiment Construction

[0030] First, please refer to Figures 1-3, the safety injection syringe of the present invention is mainly composed of a drug tube 50, a syringe body 10, a push rod 20, a needle body 30 and a protective sleeve 40, in,

[0031] The medicament tube 50 is now a circular tube body with specified specifications and a standard diameter. One end is a closed end 51 closed by a soft material, and the other end is a piston 52 that can move longitudinally in the medicament tube 50. The medicament tube The injection medicament is accommodated between the piston 52 of 50 and the closed end 51.

[0032] The syringe body 10 is a long cylindrical body and can be a plastic product. The syringe body 10 has an accommodating hole 11 as shown in Figures 2 and 3; the end of one end of the syringe body 10 On the upper part, a push rod guide hole 12 whose diameter is smaller than the accommodation hole 11 and communicated with the accommodation hole 11 runs through; the other end of the syringe body...

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Abstract

The present invention relates to a safe syringe, it is formed from syringe tube, syringe piston, syringe needle and protective sleeve. It is characterized by that the medicinal injection or powder can be injected into the syringe directly from its side surface, and the front end of the syringe self-body is equipped with a female screw connecting portion which can be used for screw-connecting with needle self-body. Said syringe self-body can be made up by using plastic material, and can be made into disposable syringe product.

Description

technical field [0001] The invention relates to a safety injection syringe, which belongs to the technical field of medical equipment, and refers to a disposable syringe with a protective sleeve design. Background technique [0002] According to U.S. Patent No. 4,772,272, the invention patent "Needle Protective Sleeve" (NEEDLE PROTECTIVE SLEEVE) is a design of a protective sleeve (protective sleeve 10) that can slide on the syringe and be positioned at different positions to avoid the use of There is a risk of infection from needle stick injuries. [0003] The aforementioned U.S. invention patent No. 4,772,272 "injection needle protector" is excellent in the design of the protector, but it is designed to be used in conjunction with the special stainless steel syringes in current medical equipment. Due to the high cost of stainless steel syringes, they are usually sterilized and then reused. If the disinfection is not complete, the patient may be infected. [0004] In addit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M5/178A61M5/31A61M5/24
Inventor 郑建勋
Owner 郑建勋
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