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Painless injection syringe

A syringe and switch technology, applied in the field of syringes, can solve the problems of affecting the manufacturing cost and slow production process, and achieve the effect of simple operation, reasonable structure, and avoiding cross-infection by skin contact

Inactive Publication Date: 2013-04-10
宣建民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structures of invention patents ZL200620159392.7 and ZL200820111877.8 are not suitable for one-time use; the production process of ZL201020616719.5 and ZL201120063735.0 is relatively slow, which affects the manufacturing cost

Method used

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Examples

Experimental program
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Embodiment Construction

[0013] Below with reference to accompanying drawing, the present invention is described in detail:

[0014] In the accompanying drawings: 1 is the booster plate, 2 is the grip part, 3 is the switch rod, 4 is the switch, 5 is the needle cylinder, 6 is the contact part, 7 is the hole, 8 is the column, 9 is the extension spring, 10 For a switch cover, 11 is a switch eaves, 12 is a closed plate, 13 is an indentation hinge, 14 is an elastic sheet, 15 is a groove, and 16 is a otch.

[0015] Figure 1 to Figure 7 The figure shows the overall structure of the painless syringe and the corresponding part structure.

[0016] like figure 1 and figure 2 As shown, the whole syringe is made up of the grip part (2) of the upper part and the contact part (10) of the lower part; the syringe produced by the national standard except the booster plate (1) is arranged in the grip part (22), here The upper end of the syringe barrel (9) does not have a booster plate (1) like a common syringe, wh...

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PUM

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Abstract

The invention relates to a painless injection syringe for painless intramuscular injection. The painless injection syringe comprises a holding part, a contact part, a portable injection syringe, a tension spring and a switch. The painless injection syringe consists of the holding part and the contact part. The injection syringe is placed in the middle of the holding part. Grooves are arranged on both sides of the holding part. Each groove is internally provided with a switch, a switch rod, a spring column and a tension spring. A switch cover is arranged outside the groove. An injection hole is formed at the bottom end of the contact part. The painless injection syringe provided by the invention has the beneficial effects that powered by the tension spring, the syringe needle passes through skin quickly to appropriate depth of muscle so that people are painless, the painless injection syringe meets the medical technical regulations of painless intramuscular injection, pain caused by manual operation is eliminated, and the painless injection syringe is suitable for a disposable syringe produced according to national standard. The painless injection syringe cannot be used again, so that the aseptic technical requirements and injection depth requirements are met. The painless injection syringe can avoid cross infection caused by skin contact and is reasonable in structure and simple and convenient to operate. Painless intramuscular injection can be carried out on any one quickly, so that the painless injection syringe is in particular suitable for injection of preventive injection for children.

Description

technical field [0001] The invention relates to a syringe which utilizes the passive elastic force of the extension spring to enable the syringe located in the grip part to move quickly and linearly for painless intramuscular injection. Background technique [0002] Intramuscular injection is one of the common ways for people to use drugs. The drug is injected into the muscle of the appropriate part of the human body through a syringe, so that the drug can be slowly absorbed to achieve the purpose of treatment. In addition to the pain caused by some drugs themselves, the pain caused by technical operations Pain is very common, and the recipients are in great pain, especially the medical staff who have just started working and some medical staff working in rural areas, and some may cause the recipients to faint from the needle. The technical essentials of painless intramuscular injection are two fast and one slow, that is, the needle insertion speed should be fast during inje...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/20
Inventor 宣建民
Owner 宣建民
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