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1. (WO1989000435) DISPOSABLE HYPODERMIC SYRINGE
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1989/000435 International Application No.: PCT/DK1988/000116
Publication Date: 26.01.1989 International Filing Date: 08.07.1988
Chapter 2 Demand Filed: 14.02.1989
IPC:
A61M 5/32 (2006.01) ,A61M 5/50 (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
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
50
having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
Applicants:
GAARDE, Gerda, Ingrid, Maria [DK/DK]; DK (AllExceptUS)
GAARDE, Knud, Werner [DK/DK]; DK
Inventors:
GAARDE, Knud, Werner; DK
Agent:
LARSEN & BIRKEHOLM A/S SKANDINAVISK PATENTBUREAU; Skagensgade 64 DK-2630 Taastrup, DK
Priority Data:
3619/8713.07.1987DK
Title (EN) DISPOSABLE HYPODERMIC SYRINGE
(FR) SERINGUE HYPODERMIQUE JETABLE
Abstract:
(EN) Disposable hypodermic syringe comprising a needle (1) which can be retracted and held inside the syringe which moreover comprises a syringe barrel (4, 5) with liquid chamber designed with a piston (14) with a piston rod (7). Opposite the piston (14) the liquid chamber has an entirely or partially yielding end wall (6) with an opening, and the needle (1) is in its end area opposite its point provided with a head (3) which is subjected to the pressure of a spring in the direction toward the yielding wall (6). The piston (14) has a projection with locking means (10) designed to interlock with the opening in the yielding wall (6) when the piston bottoms in that the needle simultaneously snaps into a cavity (9) in the piston through the opening in the yielding wall (6); further usage of the syringe is hereby prevented.
(FR) Seringue hypodermique jetable comprenant une aiguille (1) pouvant être rétractée et maintenue dans la seringue, laquelle comporte en outre un cylindre (4, 5) doté d'une chambre de liquide conçue avec un piston (14) muni d'une tige (7). A l'opposé du piston (14), la chambre de liquide comprend une paroi (6) terminale fléchissant entièrement ou partiellement et dotée d'une ouverture, l'aiguille (1) se trouvant dans sa région terminale, à l'opposé de sa pointe munie d'une tête (3) soumise à la pression d'un ressort, dans la direction allant vers la paroi fléchissante (6). Le piston (14) comporte une saillie dotée d'un moyen de blocage (10) conçu pour permettre un blocage réciproque avec l'ouverture située dans la paroi fléchissante (6), lorsque le piston est enfoncé, l'aiguille s'encliquetant simultanément dans une cavité (9) située dans le piston à travers l'ouverture se trouvant dans la paroi fléchissante (6), empêchant ainsi le réemploi de la seringue.
Designated States: JP, US
European Patent Office (AT, BE, CH, DE, FR, GB, IT, LU, NL, SE)
Publication Language: English (EN)
Filing Language: Danish (DA)
Also published as:
EP0367780US5064419DE000003874744DK156414