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Automatic injection device

A technology of equipment and injection sites, applied in the direction of automatic injectors, syringes, hypodermic injection devices, etc., to achieve the effect of simple use

Active Publication Date: 2014-06-04
BECTON DICKINSON FRANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Also, as mentioned before, since users of these autoinjectors are usually not medical professionals, it is desirable for such devices to have high reliability and not only the insertion step, but the entire injection step, from needle insertion to The manipulation of the device from within the injection site to withdrawing the device from the injection site is done gently and smoothly, with no chance for the user to face anxiety

Method used

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  • Automatic injection device
  • Automatic injection device
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0081] refer to Figures 1A-1E , which shows a device 1 of the invention comprising:

[0082] - a syringe 2 filled with product 7 comprising a needle 3, a flange 5, a stopper 6,

[0083] - syringe holder 10,

[0084] - plunger rod 20,

[0085] - needle protection sleeve 30,

[0086] - housing 40,

[0087] - support 60,

[0088] - lever member 70,

[0089] - button 90,

[0090] - concentric double helical springs 8,

[0091] - simple coil spring 9

[0092] now refer to Figure 1A-11 The different components of the device 1 are described in detail.

[0093] refer to Figure 2A-2B , the syringe holder 10 has a tubular overall shape. It is shaped and dimensioned to receive a syringe 2 whose flange 5 rests on the proximal edge 11 of the syringe holder 10 . The syringe holder 10 is provided on its outer wall with a ridge 12 extending from the proximal edge 11 in the distal direction and terminated by a post 12a. The outer wall of the syringe holder 10 is also provided ...

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PUM

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Abstract

The present invention relates to an automatic injection device (1) comprising : a container having a longitudinal axis A and movable between a first position and a second position, in which the needle is inserted, biasing means, for moving the container to its second position, retaining means (70, 73, 74) for maintaining said biasing means in a first stressed state, triggering means (90) for releasing said retaining means, said retaining means comprising a lever member having a pivoting part and a radial projection extending therefrom, said radial projection being in a first angular position when said retaining means is in its passive condition, said radial projection being in a second angular position, different from said first angular position, when said retaining means is in its active condition, the axis of said pivoting part being included in a transversal plane of said longitudinal axis A.

Description

technical field [0001] The present invention relates to a device for the injection of a product, for which the needle insertion step is automatic and can be done with minimal effort by the user. [0002] In this application, the distal end of the element or device means the end furthest from the user's hand and the proximal end means the end closest to the user's hand when the element or device is in the use position. Similarly, in this application, the terms "in the distal direction" and "distally" mean in the direction of injection, while the terms "in the proximal direction" and "proximally" mean in the direction of injection in the opposite direction. Background technique [0003] Devices for the automatic injection of products (also known as autoinjectors) are widely used in medical fields where the treatment of pathologies requires daily injections (such as some treatments for diabetes) and where patients often perform these injections themselves. Because the patient...

Claims

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Application Information

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IPC IPC(8): A61M5/20
CPCA61M2205/582A61M5/3204A61M2005/3104A61M5/2033A61M5/326A61M2005/3143A61M2005/3142A61M2205/583A61M2005/206A61M5/5086A61M2205/581A61M2005/208
Inventor L·马丽坦
Owner BECTON DICKINSON FRANCE