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1. WO2014166918 - DISPENSING SPEED CONTROL MECHANISM AND INJECTION DEVICE

Publication Number WO/2014/166918
Publication Date 16.10.2014
International Application No. PCT/EP2014/057000
International Filing Date 08.04.2014
IPC
A61M 5/315 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
5Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm rests
178Syringes
31Details
315Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod; Appliances on the rod for facilitating dosing
A61M 5/20 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
5Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm rests
178Syringes
20Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
A61M 5/24 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
5Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm rests
178Syringes
24Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or cartridges, e.g. automatic
CPC
A61M 2005/2086
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
5Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
178Syringes
20Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
2086having piston damping means, e.g. axially or rotationally acting retarders
A61M 5/20
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
5Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
178Syringes
20Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
A61M 5/24
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
5Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
178Syringes
24Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
A61M 5/31525
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
5Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
178Syringes
31Details
315Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod ; or piston; Appliances on the rod for facilitating dosing ; ; Dosing mechanisms
31525Dosing
A61M 5/31551
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
5Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
178Syringes
31Details
315Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod ; or piston; Appliances on the rod for facilitating dosing ; ; Dosing mechanisms
31533Dosing mechanisms, i.e. setting a dose
31545Setting modes for dosing
31548Mechanically operated dose setting member
3155by rotational movement of dose setting member, e.g. during setting or filling of a syringe
31551including axial movement of dose setting member
A61M 5/31553
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
5Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
178Syringes
31Details
315Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod ; or piston; Appliances on the rod for facilitating dosing ; ; Dosing mechanisms
31533Dosing mechanisms, i.e. setting a dose
31545Setting modes for dosing
31548Mechanically operated dose setting member
3155by rotational movement of dose setting member, e.g. during setting or filling of a syringe
31553without axial movement of dose setting member
Applicants
  • SANOFI [FR]/[FR]
Inventors
  • HIGGINS, Daniel David
  • JONES, Matthew
  • BUTLER, Joseph
  • MARSH, William
Agents
  • GEPPERT, Susanne
Priority Data
13163108.710.04.2013EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) DISPENSING SPEED CONTROL MECHANISM AND INJECTION DEVICE
(FR) MÉCANISME DE RÉGULATION DE LA VITESSE DE DISTRIBUTION ET DISPOSITIF D'INJECTION
Abstract
(EN)
The present invention relates to a dispensing speed control mechanism for use in an injection device. The injection device may have a housing (10, 30, 40; 40'; 40''; 40''') and a drive member (70), which is driven by a power reservoir (100, 100')and axially movable between a dose setting position, in which the drive member (70) is rotationally constrained to the housing (10, 30, 40; 40'; 40''; 40'''), and a dose dispensing position, in which the drive member (70) is rotationally de-coupled from the housing (10, 30, 40; 40'; 40''; 40'''). The speed control mechanism comprises friction means (42) for retarding the drive member (70) during dose dispensing depending on the axial position of the drive member (70). Further, the invention relates to an injection device with such a dispensing speed control mechanism.
(FR)
La présente invention concerne un mécanisme de régulation de la vitesse de distribution destiné à être utilisé dans un dispositif d'injection. Le dispositif d'injection peut comporter un boîtier (10, 30, 40 ; 40' ; 40'' ; 40''') et un élément d'entraînement (70), lequel est entraîné par un réservoir d'énergie (100, 100') et mobile axialement entre une position de réglage de dose, dans laquelle l'élément d'entraînement (70) est fixé en rotation au boîtier (10, 30, 40 ; 40' ; 40'' ; 40'''), et une position de distribution de dose, dans laquelle l'élément d'entraînement (70) est découplé en rotation du boîtier (10, 30, 40 ; 40' ; 40'' ; 40'''). Le mécanisme de régulation de la vitesse comprend un moyen de frottement (42) afin de ralentir l'élément d'entraînement (70) pendant la distribution de la dose en fonction de la position axiale dudit élément d'entraînement (70). L'invention concerne en outre un dispositif d'injection comportant un tel mécanisme de régulation de la vitesse de distribution.
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