A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/00 (2006.01) A61M 5/145 (2006.01) A61M 5/315 (2006.01) A61M 5/24 (2006.01)
Patent
CA 2451889
A product dispensing apparatus, preferably an injection apparatus, comprising a reservoir module (10) and a dosing and activating module (30) detachably connected to the reservoir module, said reservoir module (10) comprising: a) a front casing section (1, 3) of the product dispensing apparatus, which comprises a reservoir (2) for a product which can be delivered, a blocking means (8; 38) and a first connecting means (3a, 3d); b) a piston which is accommodated in the reservoir (2) such that it can be shifted in an advancing direction towards a reservoir outlet, in order to deliver product; c) and a piston rod (4) which comprises a returning blocking means (6) which is in blocking engagement with the blocking means (8; 38), said blocking engagement preventing the piston rod (4) from moving counter to the advancing direction, relative to the front casing section (1, 3); said dosing and activating module (30) comprising: d) a rear casing section (11) of the product dispensing apparatus, which comprises a second connecting means (20, 21, 11d) which together with the first connecting means (3a, 3d) forms the detachable connection between the reservoir module (10) and the dosing and activating module (30); e) and a dosing and drive device (12; 32), using which a dosing movement for selecting a product dosage and a delivery movement for delivering the product dosage can be performed relative to at least one of the casing sections (1, 3, 11); wherein the product dispensing apparatus further comprises a dosage setting member (9; 39) which is moved in the advancing direction by the dosing and drive device (12; 32) during the delivery movement and which engages with the piston rod (4) such that it is moved jointly with the piston rod (4) in the advancing direction and is moved relative to the piston rod (4) counter to the advancing direction.
L'invention concerne un appareil d'administration de produit, de préférence un appareil d'injection, comprenant un module de réservoir (10) et un module de dosage et d'actionnement (30) relié de manière détachable audit module de réservoir. Le module de réservoir (10) comprend : a) une partie avant de boîtier (1, 3) de l'appareil d'administration de produit, qui comporte un réservoir (2) pour le produit déversable, un dispositif de blocage (8 ; 38) et un premier dispositif de connexion (3a, 3d) ; b) un piston; c) et une tige de piston (4) qui présente un dispositif antiretour (6), en prise de blocage avec le dispositif de blocage (8 ; 38), ce qui empêche tout mouvement de la tige de piston (4) par rapport à la section avant du boîtier (1, 3) à l'encontre du sens d'avancement, ledit module de dosage et d'actionnement (30) comprenant: d) une section arrière du boîtier (11) de l'appareil de distribution de produit, qui présente un second dispositif de connexion (20, 21, 11d) qui forme avec le premier dispositif de connexion (3a, 3d), la jonction détachable; et e) un dispositif de dosage et d'actionnement (12 ; 32) ; f) l'appareil de distribution de produit comprend en outre un élément d'ajustement de dose (9 ; 39).
Graf Roney
Kirchhofer Fritz
Gowling Lafleur Henderson Llp
Tecpharma Licensing Ag
LandOfFree
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