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A safe self-destruction syringes with exchangeable needle

A self-destructing, syringe technology, applied in the direction of syringes, hypodermic injection equipment, infusion sets, etc., can solve the problems of cumbersome use steps

Inactive Publication Date: 2007-08-01
SHANGHAI DO FOR CARE INTELLIGENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a safety self-destruct syringe with replaceable needles, which has a simple and reasonable structure, can replace the needle seat at any time, has high practicability, and is equipped with a destruction mechanism at the reinforcing rib of the core rod , can effectively prevent accidental scrapping of self-destructing syringes, and the operation is simple, from aspiration, liquid mixing to injection, can be operated with one hand, which overcomes the shortcomings of cumbersome steps in the use of existing products

Method used

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  • A safe self-destruction syringes with exchangeable needle
  • A safe self-destruction syringes with exchangeable needle
  • A safe self-destruction syringes with exchangeable needle

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Embodiment Construction

[0020] Below with reference to accompanying drawing, the present invention is further described

[0021] The present invention is a safety self-destruct syringe with replaceable needles, as shown in Fig. 1, it mainly includes a cover 1, a needle seat 11, a needle point 5 is arranged at the end of the needle seat, and a core rod 2 arranged in the cover, The rod body of the core rod is provided with reinforcing ribs 8, the core rod is sleeved with a rubber plug 3, the rod body at the front end of the core rod is provided with a groove 6, and a pullback member 7 is provided in the groove 6, and the feature is that: the front end of the jacket A connection seat 4 is provided in the neck of the cylinder, and the connection seat is formed by connecting the outer wall 9 and the inner wall 10. They are cylindrical structures connected in concentric circles. There is a gap between the outer wall 9 and the inner wall 10, and the inner wall of the connection seat is covered Connected wit...

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Abstract

The invention disclosed a kind of safe self-destruction syringe which can change pinhead. The characteristic of the invention: there's a connecting tray in tube neck at the front end of the outer encasement; the connecting tray is made by outer wall connecting with the inner wall; they were cylinders and be connected as concentric circle; there is space between the outer and inner walls; the inner wall of the connecting tray connects the pinhead tray. The invention has simple and proper design, good utility, good stability, simple operation (manual operation), good effects of self-destruction, wide serviceable range; it can be easily universalized.

Description

Technical field: [0001] The invention relates to the technical field of medical devices, in particular to a safety self-destruction syringe with replaceable needles and a safety destruction mechanism, and in particular to the mechanical connection structure of the syringe. Background technique: [0002] Comparative document 1, authorized announcement number: CN2640489, patent number: ZL03253522.8 The invention patent discloses a "disposable safe self-destructing syringe", the patentee: Shandong Zibo Shanchuan Medical Equipment Co., Ltd., which includes needle holder, The injection needle, the syringe sleeve, and the push rod located in the syringe sleeve are characterized in that: the upper part of the push rod is stepped, the outer cover is covered with a sealing rubber plug, and the center above the sealing rubber plug is provided with an elastic pull-back rod. [0003] Comparative document 2, authorized announcement number: CN2678668, patent number: ZL200320123617.X's inv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/50A61M5/31A61M5/178
Inventor 韦家庆
Owner SHANGHAI DO FOR CARE INTELLIGENT TECH CO LTD
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