A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/00 (2006.01) A61M 5/142 (2006.01)
Patent
CA 2275234
The invention concerns a device for injecting liquid comprising a connection piece on which is located at least a first liquid occlusion system (7). The invention is characterised in that a regulating system (4) is located upstream of the first occlusion system, the two systems defining an intermediate segment in which the pressure, in the absence of injection, is higher than the pressure prevailing downstream of the first occlusion system for directing downstream any leak at the first occlusion system. The invention is applicable to a pump used for injecting contrast liquid for medical imaging.
L'invention concerne un dispositif d'injection de liquide comprenant une tubulure sur laquelle se situe au moins un premier système d'occlusion du liquide (7). Selon l'invention, un système de régulation (4) se situe en amont du premier système d'occlusion, les 2 systèmes définissant un segment intermédiaire dans lequel la pression, en absence d'injection, est supérieure à la pression régnant en aval du premier système d'occlusion de façon à orienter vers l'aval toute fuite de liquide au niveau du premier système d'occlusion. Application à une pompe utilisée pour l'injection de liquide de contraste pour l'imagerie médicale.
Neftel Frederic
Debiotech S.a.
Robic
Smc-Swiss Medical Care Sa
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