Variable flow infusion pump system

Details Variable flow infusion pump system Variable flow infusion pump system

A - Human Necessities

61

M

A61M 5/142 (2006.01) A61M 5/172 (2006.01)

Patent

CA 2670146

An implantable infusion pump system is disclosed. The pump system preferably includes an implantable pump (800) and a removable module (820, 820'). The module (820, 820') may provide for varying flow rates of fluid being dispensed from the pump or may provide for a constant flow rate of such fluid. In the case of varying flow rate capabilities, the module (820, 820') preferably includes one or more sensors (830, 831) to determine information relating to the flow rate, electronics (844, 846, 835, 844e, 844f, 849, 848, 850, 851, 853, 854, 855, 856) for analyzing the flow rate information, and a mechanism for physically altering the flow rate (821). Methods of dispensing a medicament to a patient are also disclosed, as are variations of the pump system.

L'invention concerne un système de pompe à perfusion implantable. Le système de pompe comprend de préférence une pompe implantable (800) et un module amovible (820, 820'). Le module (820, 820') peut fournir des débits variables de fluide qui sont administrés à partir de la pompe ou peut fournir un débit constant d'un tel fluide. Dans le cas de capacités de débit variables, le module (820, 820') comprend de préférence un ou plusieurs capteurs (830, 831) pour déterminer des informations concernant le dédit, des éléments électroniques (844, 846, 835, 844e, 844f, 849, 848, 850, 851, 853, 854, 855, 856) pour analyser les informations de débit, et un mécanisme pour modifier physiquement le débit (821). Des procédés d'administration d'un médicament à un patient sont également décrits, ainsi que des variantes du système de pompe.

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