Implantable pump system

Details Implantable pump system Implantable pump system

A - Human Necessities

61

F

A61F 5/00 (2006.01)

Patent

CA 2727001

A remotely adjustable gastric band system is provided. The system includes a gastric band, an implantable fluid reservoir, and a fluid handling device including a piezoelectric pump, and a drive or controller assembly. The piezoelectric pump includes a diaphragm having a compressible spring positioned at an actuator side of the diaphragm, and a space occupying layer disposed between the compressible spring and the actuator side.

La présente invention concerne un système de bande gastrique réglable à distance. Ce système comporte une bande gastrique, un réservoir de fluide implantable et un dispositif de gestion du fluide comprenant une pompe piézoélectrique et un ensemble d'entraînement ou de commande. La pompe piézoélectrique comprend un diaphragme comportant un ressort compressible positionné au niveau d'un côté correspondant à l'actuateur du diaphragme et une couche occupant l'espace disposée entre le ressort compressible et le côté correspondant à l'actuateur.

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