Hydraulic injection system and injection method

Details Hydraulic injection system and injection method Hydraulic injection system and injection method

A - Human Necessities

61

M

A61M 5/00 (2006.01) A61M 5/145 (2006.01) G01R 33/28 (2006.01)

Patent

CA 2581276

Disclosed is an injection system (1) for injecting liquids within a strong magnetic field, an alternating magnetic field, and/or a high-frequency electric field to be used with a technical medical system. Said injection system comprises a space (2) that is shielded from electromagnetic fields with the aid of a shield, an injection device (6) by means of which liquid to be injected can be dispensed to a patient (23), a driving mechanism for the injection device (6), by means of which at least one conveying element (11, 12) can be displaced for injection purposes, and a control and monitoring unit (8) which is located outside said space (2). The inventive injection system prevents interfering electromagnetic fields from being created exclusively by the fact that a hydraulic driving mechanism (10) is provided whose at least one hydraulic conduit (13, 14, 15, 16) is guided out of the space (2) to a pressure generating unit (71, 72, 73, 74).

L'invention concerne un système d'injection (1) servant à injecter des liquides dans un champ magnétique puissant, un champ magnétique alternatif, et/ou un champ électrique haute fréquence. Ce système d'injection est conçu pour être utilisé avec un système technique médical et comprend : une chambre (2) qui est protégée contre les champs électromagnétiques au moyen d'un blindage ; un dispositif d'injection (6) servant à administrer le liquide à injecter à un patient (23) ; un dispositif d'entraînement pour le dispositif d'injection (6), qui sert à déplacer au moins un élément de transport (11, 12), et ; une unité de commande et de contrôle (8) qui est disposée en dehors de la chambre (2) et qui empêche uniquement les champs électromagnétiques perturbateurs. Cette invention est caractérisée par un dispositif d'entraînement hydraulique (10) dont au moins une conduite hydraulique (13, 14, 15, 16) est guidée hors de la chambre (2) vers une unité de génération de pression (71, 72, 73, 74).

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