Connection of housing sections of an administration device...

A - Human Necessities – 61 – M

Patent

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Details

A61M 5/00 (2006.01) A61M 5/20 (2006.01) A61M 5/315 (2006.01) A61M 5/145 (2006.01)

Patent

CA 2451892

An administering apparatus for administering, in doses, a product which can be delivered, said apparatus comprising: (a) a front casing section (1, 3), comprising a reservoir (2) for the product; (b) a rear casing section (11); (c) a driven member (4), mounted by at least one (1, 3) of the casing sections (1, 3, 11), for performing a delivery movement which delivers a selected product dosage; (d) a dosage setting member (9; 39) which performs a dosing movement relative to the driven member (4) in order to select the product dosage; (e) and a dosing and drive device (12; 32) which can be moved rotationally about a rotational axis (L) and translationally, relative to the front casing section (1, 3), and when establishing a connection between the casing sections (1, 3, 11), is coupled to the driven member (4) and the dosage setting member (9; 39), such that a rotational movement of the dosing and drive device (12; 32) causes the dosing movement of the dosage setting member (9; 39) and a translation movement of the dosing and drive device (12; 32) causes the delivery movement of the driven member (4); The apparatus is characterised in that at least one axial guide (3d) is formed on one (1, 3) of the casing sections (1, 3, 11) and at least one engagement element (11d) is formed on the other (11) of the casing sections (1, 3, 11), which form a linear guide when establishing a connection between the casing sections (1, 3, 11), such that the casing sections (1, 3, 11) are slid onto each other as far as a connecting end position, such that they cannot rotate relative to each other about the rotational axis (L).

L'invention concerne un appareil d'administration de produit pour administrer de manière dosée un produit déversable, ledit appareil comprenant : une section avant de boîtier (1, 3) qui comprend un réservoir (2) pour le produit ; b) une section arrière de boîtier (11) ; c) un élément actionné (4), logé dans au moins une (1, 3) des sections du boîtier (1, 3, 11), servant à effectuer un mouvement de déversement, permettant à une dose de produit sélectionnée d'être déversée ; d) un élément d'ajustement de dose (9 ; 39) qui effectue un mouvement de dose en vue d'une sélection de dose de produit par rapport à l'élément actionné (4) ; e) et un dispositif de dosage et d'entraînement (12 ; 32) qui peut être déplacé par rapport à la section avant du boîtier (1, 3) de manière rotative autour d'un axe de rotation (L) et de manière translatoire et qui se trouve accouplé à l'élément actionné (4) et à l'élément d'ajustement de dose (9 ; 39) au moment de l'assemblage des sections du boîtier (1, 3, 11), de sorte qu'un mouvement de rotation du dispositif de dosage et d'entraînement (12 ; 32) induise le mouvement de dosage de l'élément d'ajustement de dose (9 ; 39) et qu'un mouvement de translation du dispositif de dosage et d'entraînement (12 ; 32) induise le mouvement de déversement de l'élément actionné (4).

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