PIEZO ELECTRICALLY DRIVEN BELLOWS INFUSER FOR HYDRAULICALLY CONTROLLING AN ADJUSTABLE GASTRIC BAND

Application 444/KOL/2005 published 2006-12-22, filed 2005-05-27
A remotely controlled gastric band system that is practically immune to external magnetic fields, such as from a Magnetic Resonance Imaging (MRI) machine, incorporates a bi- directional pump and fluid reservoir to adjust fluid volume in a gastric band. A piezoelectrically driven (e.g., rotary actuator, linear actuator) selectively compresses and expands a metal bellows hermetically sealed within a biocomp4tible and nonferromagnetic case such as titanium. (FIG.1)

Applicant

ETHICON ENDO-SURGERY, INC.
4545 CREEK ROAD, CINCINNATI, OH-45242, OHIO, UNITED STATES OF AMERICA

Inventor

WILLIAM L. HASSLER, JR.

International Info

Classification: A61M 005/00
Publication Number:

Priority Information

10/857762 USA 2004-05-28