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Syringe holder for a medical injector and method of forming a medical injector assembly

A technology for a syringe and a holder, which is applied in the directions of syringes, ampoule syringes, hypodermic injection devices, etc., can solve problems such as being unsuitable for assembly operations.

Active Publication Date: 2022-07-08
NOVO NORDISK AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can raise questions about keeping the needle area of ​​the syringe sterile
Furthermore, many of the designs shown are not suitable for assembly operations in large-scale manufacturing

Method used

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  • Syringe holder for a medical injector and method of forming a medical injector assembly
  • Syringe holder for a medical injector and method of forming a medical injector assembly
  • Syringe holder for a medical injector and method of forming a medical injector assembly

Examples

Experimental program
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Effect test

Embodiment Construction

[0086] In the context of the present disclosure, it may be convenient to define the term "distal end" in the drawings to refer to the end of the infusion device that typically carries the infusion needle, while the term "proximal end" refers to the opposite end of the infusion device remote from the infusion needle department. The figures shown are schematic and for this reason the configuration and relative dimensions of the different structures are intended for illustration purposes only.

[0087] figure 1 A standard prefilled syringe (PFS) widely used in the industry is shown. further reference Figure 4b , which provides a cross-sectional side view of a prefilled syringe as part of an assembly that also includes a syringe holder according to a second embodiment. The syringe 100 includes a tubular barrel 110 having a distally located neck 115 , wherein the diameter of the neck 115 is reduced compared to the diameter of the barrel 100 . An infusion needle 130 is mounted ...

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PUM

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Abstract

A syringe holder (200) includes a body (210) extending along a central longitudinal axis and adapted to receive a barrel (110) of a syringe (100), wherein the body (210) includes a body (210) surrounding the central longitudinal axis At least two body segments (240) are arranged, the body segments (240, 240A, 240B) having a distal end with a shoulder segment (250) adapted to be received at the in the circumferential gap (150) between the barrel (110) of the syringe (100) and the needle shield (120) covering the needle (130) of the syringe to retain the syringe (100), thereby preventing the The syringe moves distally (D) relative to the syringe holder (200), wherein the body (210) further includes a plurality of expandable connector means (230), each expandable connector means connecting all pairs of The at least two body segments (240, 240A, 240B) are interconnected such that the body segments (240, 240A, 240B) and the expandable connector device (230) are circumferentially surrounded by the body (210) The barrel (110) of the held syringe (100) forms a closed loop, wherein the expandable connector device (230) is configured such that the body sections (240, 240A, 240B) are in a non-retaining position and retain Moveable between positions.

Description

[0001] The present invention relates to a syringe holder for a medical infuser for injecting one or more doses of a liquid drug. In particular, the present invention relates to syringe holders and methods for easily assembling a syringe in a syringe holder. Background technique [0002] In conventional handheld medical injectors, standard prefilled syringes are often used for primary packaging. In order to provide a specific function to a medical injector, or to provide convenient handling and protection of the syringe, a prefilled syringe is usually housed in a syringe holder and inserted into the outer housing. Disposable medical injectors provide a special class of user-friendly and inexpensive medical injectors in which a prefilled syringe is permanently held within the housing of the medical injector in such a way that the syringe cannot be removed from the housing, Empty medical injectors cannot therefore be reused. [0003] Conventional syringe holders provide shoulde...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M5/24A61M5/145
CPCA61M5/1456A61M5/24A61M2005/2407A61M2005/2433A61M2005/2477A61M2005/2485A61M5/002A61M5/3129A61M5/3202A61M2207/00
Inventor L.P.克里特莫斯E.基勒利奇
Owner NOVO NORDISK AS