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Slip-on needle guard and safety syringe

A safety syringe and protection device technology, applied in the field of needle protection devices, can solve the problems of complex structure, high cost, and accidental stabbing of syringes, and achieve the effect of simple structure, low cost, and prevention of accidental stabbing

Inactive Publication Date: 2017-02-22
SHANGHAI SOL MILLENNIUM MEDICAL PRODUCTS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this syringe has a complicated structure and high cost
Moreover, when the syringe with a retractable needle is transferred from one place to another after the liquid medicine is drawn during use, the needle is still exposed, and there is still a risk of accidental puncture

Method used

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  • Slip-on needle guard and safety syringe
  • Slip-on needle guard and safety syringe
  • Slip-on needle guard and safety syringe

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0085] Preferred embodiments of the needle protection device of the present invention and a safety needle assembly using the needle protection device will be described in detail below with reference to the accompanying drawings.

[0086] figure 1 A safety needle assembly of an embodiment of the invention is shown in a pre-use state. The safety needle assembly includes a needle base 8 , a needle 6 mounted on the needle base 8 , a collar 1 fixed on the needle base 8 and a sliding sleeve 2 slidably sleeved on the collar 1 . Wherein, the needle base 8 and the needle 6 constitute the needle head, and the collar 1 and the sliding sleeve 2 constitute the needle protection device of the present invention. figure 1 The safety needle assembly shown also includes a syringe 4 , a push rod 5 and a rubber stopper 3 fixed on the upper end of the push rod 5 . The syringe 4, the push rod 5 and the rubber stopper 3 may be components of syringes known in the art, and will not be repeated in th...

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PUM

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Abstract

The invention discloses a sliding bush type needle head protection device and a safety syringe using the same. The sliding bush type needle head protection device is simple in structure and low in cost and is capable of preventing accidental thorn damage during use and after use and preventing a used needle head from being repeatedly used. The needle head protection device comprises a neck ring and a sliding bush, wherein the neck ring fixedly sleeves a needle base, is barrel-shaped, is provided with an upper end part (22) and a lower end part (2), can sleeve the neck ring and can slide between a retraction position and an stretching position along the external surface of a boss; the external surface of the neck ring (1) and the internal surface of the lower end part (23) of the sliding bush (2) are respectively provided with latching mechanisms which are matched with each other; when in the stretching position, the sliding bush (2) can be inseparably latched to the neck ring (1).

Description

[0001] This application is a divisional application of a patent application with an application date of September 28, 2012, an application number of 201210379716.8, and an invention titled "sliding sleeve type needle protection device and safety syringe". technical field [0002] The invention relates to a needle protection device, especially a needle protection device capable of preventing accidental stabbing of needles used in medical instruments such as syringes and blood collection devices, and a safety needle assembly or a safety syringe with the needle protection device. Background technique [0003] In medical practice, medical devices with sharp needles are widely used, such as syringes, blood collection devices and the like. These medical devices are not only used and handled by professionals in medical institutions, but also often used and handled by non-professionals at home, such as self-injection of insulin by diabetic patients. [0004] Because the needles of m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M5/32A61B5/15
CPCA61M5/32A61M5/3202A61M5/321
Inventor 林作钱
Owner SHANGHAI SOL MILLENNIUM MEDICAL PRODUCTS CO LTD
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