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Injection device with axially overlapping dosing or display member

A technology of an injection device and an indicator element, which is applied in the directions of syringes, automatic injectors, ampoule syringes, etc., can solve the problems of complicated operation of the injection device and the like

Inactive Publication Date: 2009-02-18
TECPHARMA LICENSING AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This complicates the manipulation of the injection device at the time of injection, i.e. when the output is open

Method used

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  • Injection device with axially overlapping dosing or display member
  • Injection device with axially overlapping dosing or display member
  • Injection device with axially overlapping dosing or display member

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] Figure 1 shows an injection device in side view. The injection device constitutes a long-distance, elongated syringe. It comprises a housing with a body-remote housing part 1 and a body-proximate housing part comprising two firmly interconnected housing parts 2 and 3 . Injection devices are used for the administration of liquid medicines, such as insulin. The medicine is contained in a container which is replaceably contained in the housing part 1 . The drug can be administered through a discharge opening 1a made at the end of the housing part 1 facing away from the body. The injection device is substantially rotationally symmetric with respect to the central longitudinal axis RT. The housing parts 1-3 are each made of an opaque plastic material. In order to make inspection of the container possible, the housing part 1 has a viewing window 1b which extends to or near the body-facing end of the housing part 1 and is close to the discharge opening 1a, but surrounds it...

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PUM

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Abstract

An injection device comprises: a) a housing (1-3) with a reservoir (R) for an injectable product, b) a plunger (10) which is axially movable in a direction of propulsion (V) in the reservoir (R), c) a dosing and propulsion means provided for the plunger (10) and arranged in an axial continuation of the reservoir (R), with d) a dosing or display member (30) which is moved in one axial direction relative to the plunger (10) when setting a product dose and is moved in the opposite direction when the dose is dispensed, e) and optionally a force-imparting member (32) which forces the dosing or display member (30) in the direction of an axial end position, f) wherein at least one out of the dosing or display member (30) and optional force-imparting member (32) axially overlaps the reservoir (R), at least with the dosing or display member (30) in the end position.

Description

technical field [0001] The present invention relates to an injection device for injectable pharmaceuticals, preferably liquid pharmaceuticals, such as insulin, growth hormone or osteoporosis preparations. Background technique [0002] Known from EP1351732B1 is an injection device with a housing in which a container for injectable medicine is arranged and on the axial extension of the container there is a metering and propulsion mechanism for loading a delivery piston in the container. device. The metering and advancing device includes a metering element which is rotatably and axially displaceable in threaded engagement with the housing for adjustment of the drug dose. The metering element is in a torsionally locked engagement with the piston rod which allows relative axial movement between the piston rod and the metering element. Furthermore, the metering and advancing device includes a biasing element in the form of a compression spring, which axially acts on the metering...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/315
CPCA61M5/31541A61M2205/585A61M2205/581A61M5/24A61M5/3156A61M5/31563A61M5/31583A61M5/31575A61M2005/3126A61M2205/582A61M5/20A61M5/31593A61M2205/583A61M5/31553
Inventor S·伯伦P·科尔布伦纳J·威特曼M·威特沃
Owner TECPHARMA LICENSING AG
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