07658196 is referenced by 117 patents and cites 1854 patents.

A system is operable to detect the orientation of an implant component. The system comprises an implantable component, an external component, and a logic component. The implantable component comprises a first coil operable to transmit a first signal having a phase. The external component comprises a second coil operable to transmit a second signal having a phase. The logic component is operable to compare the phase of the first signal with the phase of the second signal. The logic component is further configured to determine an orientation of the first coil relative to the second coil based on a comparison of the phase of the first signal with the phase of the second signal. The system may be used to determine the orientation of an injection port in an implanted gastric band system. The system may alternatively be used in a variety of other types of systems.

Title
System and method for determining implanted device orientation
Application Number
11/739778
Publication Number
7658196 (B2)
Application Date
April 25, 2007
Publication Date
February 9, 2010
Inventor
William L Hassler Jr
Carlsbad
CA, US
David N Plescia
Cincinnati
OH, US
Daniel F Dlugos
Middletown
OH, US
Annie L Ferreri
Loveland
OH, US
Agent
Frost Brown Todd
Assignee
Ethicon Endo Surgery
OH, US
IPC
A61B 19/00
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