Stent slip sensing system and method

Details Stent slip sensing system and method Stent slip sensing system and method

1999-01-05

2000-07-18

Hirsch, Paul J.

Surgery

Diagnostic testing

Structure of body-contacting electrode or electrode inserted...

600373, 606108, A61F 1100

Patent

active

060919809

ABSTRACT:
An endoluminal device slippage sensor system including an electrically conductive endoluminal device and a catheter assembly to which the device is coupled for deployment into a lumen. First, second and third electrodes are associated with the catheter assembly, each respectively in direct electrical contact with a proximal, a middle and a distal portion of the device. A potential source generates a potential between the first and second electrodes and between the second and third electrodes. The potential between the electrodes is varied in accordance with a change of position of the device along the axis of the catheter assembly during deployment in which the proximal or distal portion of the device is disconnected from the first or third electrode, respectively. In accordance with another embodiment of the invention there is provided an endoluminal device slippage sensor system including an electrically conductive endoluminal device and a catheter assembly to which the device is coupled for deployment into a lumen. At least two electrodes are mounted longitudinally along the length of the catheter assembly, each of the electrodes being in direct electrical contact with the device. A potential source generates a potential between the electrodes, the potential between the electrodes being varied in accordance with a change of position of the device along the axis of the catheter assembly.

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