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Body contour adjustable auto-injector device

A syringe and driver technology, applied in the direction of auto-injector, syringe, ampoule syringe, etc., can solve problems such as user discomfort, skin surface, compression force concentration, etc.

Active Publication Date: 2020-06-02
AMGEN INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the vertically slender configuration / profile of the AI ​​pen-shaped device makes it difficult to maintain stability against the body during injection because the device has a relatively small body surface area in contact with the skin, which causes concentrated compressive forces and user discomfort
As a result, device and / or needle slippage or movement often occurs, which can cause drug leakage on the skin surface, and user injury due to broken or broken needles during the injection procedure
In addition, the use of AI pen-shaped devices can be a significant challenge for elderly or users with impaired finger function (e.g., patients with arthritis), and thus treatment can be hindered

Method used

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  • Body contour adjustable auto-injector device
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  • Body contour adjustable auto-injector device

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Embodiment Construction

[0050] It should be noted that although referred to as an autoinjector (AI) device throughout this disclosure, in some instances the device may also be referred to as a syringe.

[0051]The autoinjector (AI) device of the present invention can be constructed and adapted to have a height that is substantially less than its width, thereby defining a low profile that provides a pressure point that can pinch or stretch the skin in a controlled manner. Larger and more stable base. Therefore, the AI ​​device can easily maintain the skin / device interface, thereby providing controlled injection depth and drug delivery. Larger substrates can also accommodate larger volumes via multiple injection chambers (sites within the substrate where injections are performed) and / or large main containers and / or main containers combined with each other. The primary container may comprise, inter alia, prefilled syringes or vials. In some embodiments of the AI ​​device, the injection chamber is arra...

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PUM

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Abstract

A syringe for delivering a therapeutic product may include a base having a flexible surface that conforms to the various body contours of a patient and defines one or more injection chambers. The syringe can have a height that is substantially less than its width, thereby defining a low profile that provides a larger, more stable base on which the skin can be pinched or stretched in a controlled manner. The larger base can also accommodate larger volumes via multiple injection chambers and / or a large combined main container.

Description

technical field [0001] The present invention relates to automatic injector devices. More specifically, the present invention relates to an autoinjector device having a low-profile, body-contour-adaptable construction and configuration. Background technique [0002] Current auto-injector (AI) devices are held against the body while the injection needle pierces the skin to administer the medicinal product or drug. Drugs or drugs may contain monoclonal antibodies or other proteins. To operate an AI device, the user grasps the device and applies a downward force against the skin to activate or arm the AI ​​device. The user then presses a button with a finger or thumb to invoke the needle and start the injection cycle, e.g. the syringe stopper / piston arrangement moves the drug down into the skin at the injection site. [0003] During needle insertion and stopper / piston movement, the interface / surface area between the user's skin and the area of ​​the body where the AI ​​device...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M5/14A61M5/142A61M5/20A61M5/24A61M5/28A61M5/31A61M5/315A61M5/32A61M5/34
CPCA61M5/20A61M5/19A61M5/2033A61M5/2053A61M5/326A61M5/425A61M5/445A61M2005/206A61M2005/3022A61M2005/341A61M5/31576A61M5/3202A61M5/3287A61M5/44
Inventor M·K·L·李S·托伊V·M·芬斯特
Owner AMGEN INC
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