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Safety insulin syringe

A technology of insulin and syringes, which is applied in the field of medical devices, can solve the problems of needle sticking and other problems, and achieve the effect of easy operation and high safety

Inactive Publication Date: 2013-07-10
徐雪花
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after use, the needle cover still needs to be placed on the needle barrel. During the connection process, because the needle is exposed, it may still cause needle sticking.

Method used

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  • Safety insulin syringe
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  • Safety insulin syringe

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Experimental program
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Embodiment Construction

[0035] Such as figure 1 and figure 2 As shown, the safety insulin syringe includes a syringe 1 and a needle base 2 fixedly connected to the end of the syringe 1 . There is a needle 3 on the needle base 2, and a cylindrical condom 4 is set on the syringe 1. The inner side of the condom 4 has an engaging part 4a, and the outer side of the syringe 1 has an engaging part 21a. When the condom 4 is inserted into the syringe 1 After the middle part moves to the needle hub 2, the first engaging part 4a is engaged with the second engaging part 1a, and the condom 4 covers the needle 3.

[0036] The first engaging part 4a is located at the inner end of the condom 4, and when the first engaging part 4a is engaged with the second engaging part 1a, the outer end of the condom 4 covers the needle 3. In this embodiment, the engaging portion 1a is close to the needle hub 2 .

[0037] Engagement part 1 4a is an annular protruding snap ring on the inner side of condom 4, and engagement part ...

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Abstract

The invention provides a safety insulin syringe and belongs to the technical field of medical instruments. The safety insulin syringe solves the problem that needles of existing insulin syringes prickle persons easily. The safety insulin syringe comprises a needle cylinder and a needle base, wherein the needle base is fixedly connected with the end portion of the needle cylinder, a needle is arranged on the needle base, a cylindrical safety sleeve is sleeved on the needle cylinder, a first clamping portion is arranged on the inner side of the safety sleeve, a second clamping portion is arranged on the outer side of the needle cylinder, and when the safety sleeve moves from the middle of the needle cylinder to the position of the needle base, the first clamping portion can be clamped with the second clamping portion, and the safety sleeve covers the needle. According to the safety insulin syringe, the safety sleeve is arranged on the needle cylinder, the syringe is safe to use, the first clamping portion is matched with the second clamping portion, the stability of the syringe is high, and the design structure of the safety insulin syringe is simple.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and relates to an insulin injector, in particular to a safety insulin injector. Background technique [0002] Insulin syringes currently on the market generally have a needle cover that covers the needle at the needle hub. The structure and setting position of the insulin syringe needle cover are the same as those of ordinary syringes, that is to say, the inner end of the needle cover is placed on the needle barrel, and the outer end of the needle cover covers the needle. [0003] After the insulin syringe is used, it is usually necessary to put the needle cover on the needle barrel again. If the user is not careful, there is a danger of being stuck by the needle. [0004] Insulin syringes are small in size and have strict requirements on residual volume, so it is indeed difficult to develop a safe self-destructing syringe. If you try to do it, the effect may not meet expectations, and m...

Claims

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Application Information

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IPC IPC(8): A61M5/178A61M5/32
Inventor 徐雪花
Owner 徐雪花
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