A - Human Necessities – 61 – N
Patent
A - Human Necessities
61
N
A61N 2/12 (2006.01) A61F 2/02 (2006.01) A61N 1/08 (2006.01) A61N 1/378 (2006.01) A61N 2/00 (2006.01) A61N 2/06 (2006.01) A61N 2/10 (2006.01) H05B 6/12 (2006.01)
Patent
CA 2316967
An external power head (20) is energized by a motor (22) causing movement of an element (26) that produces a varying magnetic field, thereby inducing power in an implanted receiver coil (30) within a patient's body. The external power head (20) includes either one or more moving permanent magnets (42), or one or more moving elements that vary the magnetic flux coupled to the implanted receiver coil (30). As a result of the varying magnetic field experienced by the implanted receiver coil (30), an electric current flows from the implanted receiver coil (30) to energize an implanted medical device (34).
L'excitation d'une tête d'alimentation externe (20) par un moteur (22) déplace un élément (26) qui produit un champ magnétique variable et, ce faisant, induit un courant dans une bobine réceptrice (30) implantée dans le corps du patient. La tête d'alimentation externe (20) comprend un ou plusieurs aimants permanents (42) mobiles ou bien un ou plusieurs éléments mobiles qui font varier le flux magnétique couplé à la bobine réceptrice (30) implantée. Par suite des variations de champ magnétique que subit la bobine (30), ladite bobine (30) produit un courant qui actionne un dispositif médical implanté (34).
Brown David J.
Chen James C.
Huston Darrin
Wilkerson Brian D.
Light Sciences Corporation
Light Sciences Limited Partnership
Smart & Biggar
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