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Safety device including anti-triggering mechanism for prefilled syringe

A technology for safety devices and syringes, applied in the direction of syringes, hypodermic injection devices, infusion sets, etc., can solve the problems of damaged syringes, increased production costs, and unavailability, and achieve the effect of rapid installation and safe safety devices

Active Publication Date: 2021-01-12
GERRESHEIMER REGENSBURG GMBH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This presents the operator with the risk of injecting the drug contained in the syringe into their own body
[0005] Furthermore, post-installation of the safety device has the disadvantage that when the safety device is attached to the syringe it may damage the already filled syringe and render it unusable
This is especially likely to happen when the syringe is made of glass or other fragile material
If the syringe is damaged, the medicine it contains is no longer usable, which increases production costs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0039] figure 1 A possible syringe body 1 forming the basis of the invention is shown. Commercially available syringe bodies 1 are substantially cylindrical like the syringe body 1 in this embodiment and have a predetermined or predeterminable diameter 13 . In this case, the syringe body 1 also comprises at its distal end 14 a narrower region 15 which is also substantially cylindrical. In this case, however, the narrower region 15 has a frustoconical shape, the frustoconical narrower region 15 having a diameter 16 at the cap (not shown), ie at the end 17 of the narrower region 15, The diameter 16 of the narrower region 15 is smaller than the diameter 13 of the syringe body 1 .

[0040] Furthermore, in this case a needle hub 18 with a piercing element 19 , in this case a needle 19 , is arranged at the distal end 17 of the narrower region 15 , said needle hub 18 having a larger diameter 20 than the narrower region 15 has a diameter 16 but is smaller than the diameter 13 of t...

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PUM

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Abstract

The present invention discloses a method for assembling a safety device and for mounting the safety device on a syringe member before the syringe member is filled, the method comprising the steps of: providing a sleeve, a spring element and a mounting element; The installation direction is introduced into the sleeve; the installation element is introduced into the sleeve in the installation direction; the safety device is obtained; the safety device is installed on the syringe body by connecting the installation element to the syringe body before the syringe body is filled.

Description

technical field [0001] The invention relates to a method for mounting a safety device and for mounting a safety device on a syringe body. Background technique [0002] Hitherto, safety devices for avoiding stab wounds are known in the art and are fitted to surround the entire syringe once it has been filled (for example by the supplier in a syringe case under clean room conditions, etc.). [0003] However, these safety devices increase the size and weight of the syringes used, making syringes with such safety devices more difficult to handle. In addition, costs increase due to more material used. The production time of such syringes including a safety device is also increased since the safety device has to be assembled on the syringe in several steps. [0004] Furthermore, since the syringe sheath corresponds to the DIN standard and thus has standardized dimensions, such a structure of the safety device makes it impossible to install the syringe together with the safety de...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M5/32A61M5/31
CPCA61M5/008A61M5/3202A61M5/326A61M2005/3107A61M2005/3267A61M5/3271A61M5/002A61M5/3257A61M5/3269
Inventor 弗兰克·威特兰德马克西米兰·沃格尔
Owner GERRESHEIMER REGENSBURG GMBH
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