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1. WO2020065563 - INJECTION DEVICE

Publication Number WO/2020/065563
Publication Date 02.04.2020
International Application No. PCT/IB2019/058149
International Filing Date 25.09.2019
IPC
A61M 5/315 2006.01
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 5/24 2006.01
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
A61M 5/31 2006.01
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
CPC
A61M 2005/3139
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
3129Syringe barrels
3137Specially designed finger grip means, e.g. for easy manipulation of the syringe rod
3139Finger grips not integrally formed with the syringe barrel, e.g. using adapter with finger grips
A61M 2005/3152
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
31511Piston or piston-rod constructions, e.g. connection of piston with piston-rod
3152including gearings to multiply or attenuate the piston displacing force
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 5/3137
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
3129Syringe barrels
3137Specially designed finger grip means, e.g. for easy manipulation of the syringe rod
A61M 5/31511
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
31511Piston or piston-rod constructions, e.g. connection of piston with piston-rod
A61M 5/31543
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
31535Means improving security or handling thereof, e.g. blocking means, means preventing insufficient dosing, means allowing correction of overset dose
31543piston rod reset means, i.e. means for causing or facilitating retraction of piston rod to its starting position during cartridge change
Applicants
  • GALDERMA S.A. [CH]/[CH]
Inventors
  • KARLSSON, Henrik
  • ÖHRLUND, Åke
Priority Data
18196934.626.09.2018EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) INJECTION DEVICE
(FR) DISPOSITIF D'INJECTION
Abstract
(EN)
The present invention relates to an injection device comprising a drive mechanism (10), the drive mechanism (10) comprising a drive rod (11) being axially moveable, a plunger rod (12) being axially moveable, and a gear assembly (20). The gear assembly (20) is arranged such that an axial movement of the drive rod (11) generates an axial movement of the plunger rod (12). This allows for a force transmission between the drive rod (11) and the plunger rod (12), facilitating the expelling of viscous substances from the injection device.
(FR)
La présente invention concerne un dispositif d'injection comprenant un mécanisme d'entraînement (10), le mécanisme d'entraînement (10) comprenant une tige d'entraînement (11) pouvant se déplacer axialement, une tige de piston (12) pouvant se déplacer axialement, et un ensemble engrenage (20). L'ensemble engrenage (20) est agencé de telle sorte qu'un mouvement axial de la tige d'entraînement (11) génère un mouvement axial de la tige de piston (12). Ceci permet une transmission de force entre la tige d'entraînement (11) et la tige de piston (12), facilitant l'expulsion de substances visqueuses du dispositif d'injection.
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