Patent ID: 8386018
Filing Date: 2013-02-26
Classification: A61B

Abstract:
1. A medical device for determining the position of an intracorporeal implant comprising: at least one intracorporeal probe having a hand end and a threaded portion configured to connect to said intracorporeal implant; an impedance-measuring device having at least one connector connected to the hand end of the at least one intracorporeal probe and at least one connector configured to connect to said intracorporeal implant, wherein the impedance-measuring device is configured to determine a first position of the intracorporeal implant from the probe by measuring the phase displacement between current and voltage which occurs as a function of distance between the intracorporeal probe and the intracorporeal implant; an ultrasound device also connected to the hand end of the at least one intracorporeal probe and configured to determine a second position of the intracorporeal implant from the intracorporeal probe, wherein the second position is closer to the intracorporeal probe than the first position; and a switch configured to activate first the impedance-measuring device and thereafter the ultrasound device.