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1. WO1997031665 - NOZZLE ASSEMBLY WITH ADJUSTABLE PLUNGER TRAVEL GAP

Publication Number WO/1997/031665
Publication Date 04.09.1997
International Application No. PCT/US1997/002922
International Filing Date 24.02.1997
Chapter 2 Demand Filed 18.09.1997
IPC
A61M 5/30 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
30Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or cartridges
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 5/50 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
50having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
CPC
A61M 2005/31516
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
31516reducing dead-space in the syringe barrel after delivery
A61M 2005/5073
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
50having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
5066Means for preventing re-use by disconnection of piston and piston-rod
5073by breaking or rupturing the connection parts
A61M 5/00
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
A61M 5/30
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
30Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules
A61M 5/5066
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
50having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
5066Means for preventing re-use by disconnection of piston and piston-rod
Applicants
  • MEDI-JECT CORPORATION [US]/[US]
Inventors
  • SADOWSKI, Peter, L.
  • SCHIFF, David
  • MULHAUSER, Paul
Agents
  • FANUCCI, Allan, A.
Priority Data
08/608,79929.02.1996US
08/609,13829.02.1996US
08/609,14029.02.1996US
08/609,14629.02.1996US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) NOZZLE ASSEMBLY WITH ADJUSTABLE PLUNGER TRAVEL GAP
(FR) BUSE A INTERVALLE DE COURSE REGLABLE DU PISTON
Abstract
(EN) The present invention relates to a nozzle assembly (10) adapted for use with an injector device having an energy generating source, a chamber adapted for holding a fluid, having first and second end portions with an orifice defined at the first end portion for passage of the fluid, and being open at the second end portion. The device includes a first driving member (60) movably positioned in the chamber; a second driving member (70) movably positioned in the chamber, spaced apart from the first driving member according to a predetermined travel distance, and including an end portion operative for expelling fluid out of or drawing fluid into the chamber via the orifice; and a spacing member (80) disposed between the first and second driving members for maintaining said predetermined travel distance during displacement of the first and second driving members before the energy generating source is activated.
(FR) L'invention porte sur une buse (10) conçue pour fonctionner avec un dispositif d'injection et comportant: une source génératrice d'énergie, une chambre servant à recevoir un fluide présentant une première et une deuxième extrémité et un orifice percé dans la première extrémité pour laisser passer le fluide, et ouvert à sa deuxième extrémité. Le dispositif d'injection comporte en outre un premier dispositif d'entraînement (60) mobile dans la chambre; un deuxième dispositif d'entraînement (70) mobile dans la chambre et séparé du premier par un intervalle de course donné et une extrémité servant à expulser le fluide de la chambre ou à l'y conduire en passant par l'orifice; et une entretoise (80) séparant le premier élément d'entraînement du second et maintenant le susdit intervalle de course pendant les déplacements du premier et du deuxième élément d'entraînement avant que la source génératrice d'énergie ne soit actionnée.
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