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A sensor guide has a sensor element, an electronic unit, a signal transmitting cable connecting the sensor element to the electronic unit, a flexible tube having the cable and the sensor element disposed therein, a solid metal wire having a plurality of sections with differing thicknesses such that

A sensor guide has a sensor element, an electronic unit, a signal transmitting cable connecting the sensor element to the electronic unit, a flexible tube having the cable and the sensor element disposed therein, a solid metal wire having a plurality of sections with differing thicknesses such that each of the sections has a different flexibility, and a coil which is attached to a distal end of the wire. An inside portion of the flexible tube acts as an air channel to establish communication between the sensor element and atmospheric pressure. In addition, the wire is rigidly disposed in the sensor guide and extends along the entire sensor guide inside of the tube. Moreover, one of the plurality of sections is an enlarged portion having a slot therein and the sensor element is disclosed in the slot between the coil and the proximal end of the wire.

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A sensor guide comprising: a sensor element; a signal transmitting cable adapted to connect said sensor element to an electronic unit; a flexible tube having said cable and said sensor element disposed therein, an inside portion of said tube acting as an air channel to establish communication betw

A sensor guide comprising: a sensor element; a signal transmitting cable adapted to connect said sensor element to an electronic unit; a flexible tube having said cable and said sensor element disposed therein, an inside portion of said tube acting as an air channel to establish communication between said sensor element and atomspheric pressure; a solid metal wire having a distal end, a proximal end, and a plurality of sections each having a different thickness such that each of said plurality of sections has a different flexibility; and a coil attached to said distal end of said wire wherein 1) said wire is rigidly disposed a said tube and extends along the entire sensor guide inside said tube, 2) one of said plurality of sections is an enlarged position having a slot therein, and 3) said sensor element is disposed in said slot between said coil and said proximal end. A sensor guide comprising: a sensor element; a signal transmitting cable adapted to connect said sensor element to an electronic unit; a flexible tube having said cable and said sensor element disposed therein; a solid metal wire having a distal end, a proximal end, and a plurality of sections each having a different thickness such that each of said plurality of sections has a different flexibility; and a coil attached to said distal end of said wire; wherein 1) said wire is rigidly disposed in said sensor guide and extends along the entire sensor guide inside said tube, 2) one of said plurality of sections is an enlarged portion having a slot therein, and 3) said sensor element is disposed in said slot between said coil and said proximal end.