Intravascular catheter with sensor for peripheral nerve activity
A blood vessel and catheter technology, applied in the field of intravascular catheters with nerve activity sensors around blood vessels, can solve the problems of not including sensors, detecting sympathetic nerves, etc.
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[0156] figure 1 is a schematic view of the distal portion of the SNSC 10 in the open position, showing the inner tube 11, intermediate tube 12, outer tube 13, outer tube extension 14 having a distal opening 15 with a radiopaque The wire marker 36 , distal tip 34 and guide tube 30 of the outer layer 32 travel outwardly from the body of the SNSC 10 through the opening 15 in the outer tube extension 14 . Also shown are the tapered section 16 and the fixation guidewire 40 with the distal tip 42 . Sharpened wire 20 with outer insulation 22 and core wire 24 is shown in its fully deployed position. The wire 20 extends to and beyond the proximal end of the SNSC 10 and is shown here placed within the lumen of the inner tube 11 in the distal portion of the SNSC 10 . The insulating layer 22 has been removed from the distal portion of the wire 20 which will serve as an electrode for sensing nerve activity.
[0157] Opening 15 supports guide tube 30 as guide tube 30 travels outward prior...
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