1. An emergency shutdown detection device for a gas turbine, comprising:
an elongated, mechanically severable sensor element, which includes at least one electrical line, the at least one electrical line including at least one electrically connected resistor such that upon severance of the sensor element, the electrically connected resistor is electrically disconnected from the electrical line to alter a resistance value for the electrical line;
at least one electric supply line and one electric discharge line which are electrically connected to each other in an area of a free end of the sensor element;
wherein the supply line includes a resistor R3 arranged in series and subsequently two resistors R2 and R1 arranged in parallel with the discharge line, with the supply line and the discharge line being electrically connected only by these two resistors R2 and R1 wherein the gas turbine is shutdown in response to the altered of said resistance value.
2. A device in accordance with claim 1, wherein parallel resistor R1 is arranged in a free end area of the sensor element and the two other resistors R2 and R3 are arranged in a connecting portion of the device.
3. A device in accordance with claim 1, wherein all of the resistors are arranged in the connecting portion of the device.
4. A device in accordance with claim 1, wherein all of the resistors are integrated into at least one of the connecting portion and a control device.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1-8. (canceled)
9. A device for performing nerve modification procedures comprising:
a radio frequency energy source incorporated in said device;
at least two non-connected, separate probes each having electrodes, and said probes each having temperature sensors incorporated into tip portions of each of said probes, wherein energy from said energy source is independently and simultaneously delivered to each said probe;
a feedback control circuit integrated in said device to regulate energy delivery to each said probe and to maintain a user settable temperature for each probe, said feedback control circuit comprising at least a control element to selectively control energy delivery based on whether the user settable temperature has been reached; and
a user interface connected to said device, said user interface having a display for selecting the user settable temperature for each probe.
10. A device, as claimed in claim 9, wherein:
said user interface comprises at least one display configured to display a graphic representation of the temperature of each probe.
11. A device, as claimed in claim 9, wherein:
said user interface further comprises at least one display configured to display a graphic representation of time versus temperature of each of said probes.
12. A device, as claimed in claim 9, wherein:
said user interface displays EMG signals that are recorded from each of the probes.
13. A device, as claimed in claim 9, wherein:
the user interface records and displays user selectable sensory stimulation thresholds from each of said probes.
14. A system for performing nerve modification procedures comprising:
an energy source for generating high frequency energy for nerve modification and low frequency energy stimulation pulses;
a plurality of non-connected, separate probes each having electrodes connected to said energy source for transmitting said high frequency energy and said low frequency stimulation pulses, said probes being simultaneously powered by said energy source and said probes being independently controlled;
a feedback circuit incorporated into said energy source for each said probe, said feedback circuit including a plurality of temperature sensors incorporated into each of said probes, said feedback circuit including a control element for controlling temperature of said probes to match a user settable temperature; and
a user interface for selectively energizing said probes, and enabling said simultaneous and independent control of said probes, said user interface including a display for setting and monitoring set temperatures for each of the probes, and said user interface further including energy output options to include at least one of EMG measuring, high frequency energy delivery, and low frequency stimulation pulses.
15. A system, as claimed in claim 14, wherein:
said user interface records and displays user selectable sensory stimulation thresholds from each of said plurality of probes.
16. A method of controlling a plurality of probes each having electrodes that deliver energy to a targeted area, said method comprising the steps of:
providing an energy source for selectively delivering high frequency energy and low frequency stimulation pulses;
providing a plurality of non-connected, separate probes each having electrodes connected to said energy source;
providing a user interface for selecting a mode of said energy source and for selectively controlling energy delivered to said probes;
independently and selectively delivering energy through said probes, and controlling said energy delivery by a feedback control circuit for each probe;
delivering over a period of time and at selected sequences, the high frequency energy and the low frequency stimulation pulses, wherein said high frequency energy delivery is simultaneous and is independently controlled for each of said probes; and
displaying user settable temperatures selected by the user.
17. A method for performing nerve modification procedures comprising:
providing an energy source selectively configurable to deliver high frequency energy for treatment and low frequency pulses for observing stimulation of target nerves;
providing a plurality of non-connected, separate probes each having electrodes connected to the energy source;
providing a feedback control for each probe to regulate energy delivery to each said probe as well as to maintain a user settable temperature for each probe, said feedback control including a control element to control power delivery to each probe;
providing a user interface for selectively controlling energy delivered and for recording measurements of temperature at said probes;
delivering energy through said probes to independently and selectively control said probes through said feedback control;
delivering over a period of time and at selected sequences, the high frequency energy and the low frequency stimulation pulses, and wherein high frequency energy delivered by said probes is simultaneous; and
displaying on the user interface the temperature of each of said probes.