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Modular administration system

A transmission element and basic unit technology, which is applied in the field of pharmaceutical devices, can solve the problems of easy damage, etc., and achieve the effect of simple connection structure, simplified replacement process, and simplified connection structure

Inactive Publication Date: 2010-03-24
TECPHARMA LICENSING AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Requires some skill when handling ampoules, as ampoules are usually made of glass and are therefore prone to damage

Method used

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Examples

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Embodiment Construction

[0035] A drug delivery device according to the invention is shown in the drawing. The delivery set includes a multiple-use Figures 1 to 3 The base unit 100 shown in and a complementary base unit 100 that can be replaced only in Figure 4 with 5 The sleeve 200 shown in. Figures 6 to 13 The drug delivery set thus assembled is shown.

[0036] To describe directions inside the drug delivery set, direction names are defined as follows. The direction of the distal end accordingly refers to the direction in which the movable element of the drug delivery device moves during administration of the drug. As will be explained in more detail below, this movement is rotated through 180° inside the drug delivery device. The direction of the distal end therefore corresponds to different absolute spatial directions for different parts of the drug delivery set. The direction of the proximal end is then correspondingly defined as the direction opposite to the direction of the distal end....

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Abstract

The invention relates to a modular administration appliance provided with a reusable base unit (100) comprising a drive device (140, 150) and a replaceable cartridge (200) that is detachably connectedto the base unit and comprises a product container (250). A rotary movement is transmitted between the base unit and the cartridge. To this end, the base unit comprises a driving element (160) whichcan be displaced in a rotary movement about a rotational axis by means of the drive device, and the cartridge comprises a rotatable transmission element (233) which is embodied in such a way that a rotation of the transmission element causes the ejection of the medicament to be administered. In a preferred form of embodiment, the transmission element at least partially surrounds the drive device.

Description

technical field [0001] The invention relates to a device for administering a fluid product, in particular a medicament in liquid form. Such devices are hereinafter referred to simply as drug delivery devices. Background technique [0002] In the case of various diseases, it may be necessary to infuse the patient with drugs in liquid form such as insulin preparations or blood-thinning drugs such as heparin for a longer period of time. For this purpose, compact portable drug delivery devices are known which are often worn on the body of the patient. Ampoules, ie glass containers with plugs that can move therein, are often provided as drug containers on such drug delivery devices. The ampoule (also frequently referred to as an ampulle) is connected to an injection set whose injection cannula is inserted into the patient's body tissue. Via a suitable drive, such as a spring drive or an electric motor, the stopper in the ampoule is advanced and the drug is thus expelled from t...

Claims

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Application Information

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IPC IPC(8): A61M5/14A61M5/142A61M5/145A61M5/168
CPCA61M5/16831A61M2205/18A61M5/1413A61M5/14526A61M2005/14264A61M5/14244A61M5/14566
Inventor J·克拉瓦德特舍E·霍曼
Owner TECPHARMA LICENSING AG
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