作者: Dale C. Lindquist , Loren R. Keldahl , Paul L. Miller , Mario F. Fernandez
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摘要: A self-contained, implantable device for controlling passage of material through internal body conduits, and in particular to control the a closure point commonly referred as sphincter, such flow urethra from bladder, movement bowel, or medications an artificial conduit that is implanted. The magnetic occluding comprises fixed pressure plate assembly, positioned on one side conduit, permanent magnet opposite conduit. can be moved so force between altered position wherein attraction movable carries collapse close off open. poles changed either by being rotated displacing it laterally with magnets tend at least slightly repel each other when opened. Control achieved insure blood not cut off.