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1. (WO1994021316) IMPROVEMENTS RELATING TO INJECTION DEVICES
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/1994/021316 International Application No.: PCT/GB1994/000616
Publication Date: 29.09.1994 International Filing Date: 24.03.1994
Chapter 2 Demand Filed: 21.10.1994
IPC:
A61M 5/20 (2006.01) ,A61M 5/32 (2006.01) ,A61M 5/46 (2006.01)
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
M
DEVICES 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
5
Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm rests
178
Syringes
20
Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
M
DEVICES 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
5
Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm rests
178
Syringes
31
Details
32
Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
M
DEVICES 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
5
Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm rests
46
having means for controlling depth of insertion
Applicants:
MARSHALL, Jeremy [GB/GB]; GB (UsOnly)
CROSSMAN, David, Danvers [GB/GB]; GB (UsOnly)
OWEN MUMFORD LIMITED [GB/GB]; Brook Hill Woodstock Oxford OX20 1TU, GB (AllExceptUS)
Inventors:
MARSHALL, Jeremy; GB
CROSSMAN, David, Danvers; GB
Agent:
LAINE, Simon, James ; Wynne-Jones, Lainé & James 22 Rodney Road Cheltenham Gloucestershire GL50 1JJ, GB
Priority Data:
9306093.724.03.1993GB
9306429.327.03.1993GB
Title (EN) IMPROVEMENTS RELATING TO INJECTION DEVICES
(FR) AMELIORATION CONCERNANT DES DISPOSITIFS D'INJECTION
Abstract:
(EN) An injection device holds a syringe in the form of a capsule (4, 35) having a needle (5, 36) projecting from its forward end and a plunger (15, 34) extending from its rear end. The rear end (3, 53) of the plunger is received in a drive member (8, 32) which, when released, is urged forwards by a coil spring (12; 66, 69), this projecting the needle (5, 36) and then expressing the dose. The drive member (8, 32) is held captive in its rearward primed position by a detent (6, 59) provided by the body (1, 31) of the device. A sleeve (2, 61) covering a substantial part of the body (1, 31) can shift longitudinally of it from an initial rearward position to a forward position in which it either disengages the drive member (8) from the detent (6) or in which a trigger (55) is freed for actuation to release the drive member (32). Initially the drive member (8, 32) and the coil spring (12; 66, 69) are telescoped together, with the spring acting against the rear end (3, 53) of the body (1, 31) and the drive member (8, 32) being held at its forward end.
(FR) Dispositif d'injection comprenant une seringue se présentant sous forme d'une capsule (4, 35) dans laquelle une aiguille (5, 36) sort de son extrémité avant et un piston (15, 35) sort de son extrémité arrière. L'extrémité arrière (3, 53) du piston se loge dans un élément (8, 32) d'entraînement qui, lorsqu'il est libéré, est poussé en avant par un ressort à boudin (12; 66, 69), ce qui a pour effet de faire sortir l'aiguille (5, 36) et d'expulser la dose. L'élément (8, 32) d'entraînement est retenu dans sa position amorcée tourné vers l'arrière par une butée (6, 59) prévue dans le corps (1, 31) du dispositif. Une gaine (2, 61) qui recouvre une partie substantielle du corps (1, 31) peut coulisser longitudinalement sur ce dernier depuis une position initiale tournée vers l'arrière jusqu'à une position avant dans laquelle soit elle libère l'élément (8) d'entraînement de la butée (6) soit une gâchette (55) est libérée pour mettre en ÷uvre l'élément (32) d'entraînement. Au début, l'élément (8, 32) d'entraînement et le ressort à boudin (12; 66, 69) sont insérés l'un dans l'autre de manière téléscopique, le ressort agissant sur l'extrémité arrière (3, 53) du corps (1, 31) et l'élément (8, 32) d'entraînement étant retenu à sont extrémité avant.
Designated States: JP, US
European Patent Office (EPO) (AT, BE, CH, DE, DK, ES, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
Publication Language: English (EN)
Filing Language: English (EN)