High power time varying magnetic field therapy
In systems and methods for stimulation and treatment, a biological structure is stimulated by a high power time-varying magnetic field, and may also be stimulated with radiofrequency energy. The magnetic field stimulation is followed by at least a partial muscle contraction.
1. A method for treating of a patient, comprising:
charging an energy storage device;
discharging the energy storage device through a switching device to a magnetic field generating device to generate a plurality of impulses of a time-varying magnetic field,
wherein an impulse of the plurality of impulses has a magnetic flux density in a range of 0.1 T and 7 T, and wherein the plurality of impulses has a repetition rate in a range of 1 Hz to 300 Hz;
applying the impulses to muscle fibers, neuromuscular plates, or nerves innervating muscle fibers in a body part of the patient to cause a muscle contraction of a muscle in the body part;
generating a radiofrequency signal by a high frequency generator;
providing the radiofrequency signal to a radiofrequency electrode;
generating radiofrequency waves by the radiofrequency electrode;
applying the radiofrequency waves to the body part of the patient; and
heating a biological structure within the body part of the patient by the radiofrequency waves,
wherein heating the biological structure within the body part of the patient comprises heating the biological structure to a temperature in a range of 37° C. to 60° C.
2. The method of claim 1 , further comprising positioning an applicator proximate to the body part of the patient,
wherein the applicator is configured to house the magnetic field generating device and the radiofrequency electrode.
3. The method of claim 2 , further comprising coupling the applicator to the body part by a positioning member.
4. The method of claim 1 , wherein a frequency of the radiofrequency waves is in a range of 250 kHz to 1 MHz.
5. The method of claim 1 , wherein a frequency of the radiofrequency waves in a range of 500 kHz to 3 GHz.
6. The method of claim 1 , wherein heating the biological structure of the patient further comprises heating an adipose tissue within the body part.
7. The method of claim 1 , wherein the impulses are applied to the body part of the patient simultaneously with the radiofrequency waves, and wherein the impulses are sinusoidal and biphasic.
8. The method of claim 1 , wherein the application of the impulses to the patient and the application of the radiofrequency waves to the patient alternates from application of one to application of the other.
9. The method of claim 1 , further comprising:
positioning a first applicator proximate to the body part of the patient; and
positioning a second applicator proximate to the body part of the patient,
wherein the first applicator is configured to house the magnetic field generating device, and
wherein the second applicator is configured to house the radiofrequency electrode.
10. The method of claim 1 , wherein the body part includes at least one of an abdomen, a buttock, or a thigh, love handles, saddle bags or limb.
11. The method of claim 1 , further comprising modulating the impulses in a magnetic flux density domain, a repetition rate domain, or an impulse duration domain, wherein an impulse duration of the impulses is in a range of 200 μs to 50 ms.
12. A device for treating a body part of a patient, comprising:
a control unit;
a high frequency generator configured to provide a signal for generating radiofrequency waves;
a radiofrequency electrode configured to generate the radiofrequency waves;
an energy storage device;
a switching device configured to discharge energy accumulated in the energy storage device to a magnetic field generating device,
wherein the magnetic field generating device is connected to the energy storage device and configured to generate a time-varying magnetic field,
wherein the time-varying magnetic field has a magnetic flux density in a range of 0.1 T to 7 T and a repetition rate in a range of 1 Hz to 300 Hz,
wherein the magnetic field generating device is configured to cause muscle contractions of a muscle within the body part of the patient, and
wherein the radiofrequency electrode is configured to heat the body part of the patient.
13. The device of claim 12 further comprising a power supply, wherein the power supply consists of a plug.
14. The device of claim 12 , further comprising an applicator and a positioning member coupled to the applicator,
wherein the magnetic field generating device is disposed within the applicator, and
wherein the applicator is configured to be coupled to the body part of the patient by the positioning member.
15. The device of claim 12 , wherein the control unit is configured to control the high-frequency generator and the switching device.
16. The device of claim 12 , wherein the control unit comprises a first control unit and wherein the device comprises a second control unit,
wherein the first control unit is configured to control the high frequency generator, and
wherein the second control unit is configured to control the switching device.
17. The device of claim 12 , wherein the magnetic field generating device is encircled by the radiofrequency electrode.
18. The device of claim 12 , further comprising a transmatch connected to, and controlled by, the control unit,
wherein the transmatch is configured to adjust a signal from the high frequency generator in order to optimize energy transfer between the device and the body part of the patient.
19. The device of claim 12 , wherein the radiofrequency electrode is one of a plurality of radiofrequency electrodes, and wherein a radiofrequency electrode within the plurality of radiofrequency electrodes is configured to provide bipolar radiofrequency treatment.
20. The device of claim 19 , further comprising a balun transformer configured to transform a signal generated by the high frequency generator from an unbalanced signal to a balanced signal.
21. The device of claim 12 , wherein the radiofrequency electrode is configured to generate radiofrequency waves having a frequency in a range of 500 kHz to 3 GHz, and wherein the time-varying magnetic field comprises sinusoidal biphasic impulses.
22. The device of claim 12 , further comprising a temperature sensor.
23. The device of claim 12 , further comprising:
a first applicator,
wherein the magnetic field generating device is disposed within the first applicator; and
a second applicator,
wherein a second magnetic field generating device is disposed within the second applicator,
wherein the control unit is configured to control the first magnetic field generating device and the second magnetic field generating device independently of each other, and
wherein the first applicator and the second applicator are configured to be positioned on the body part of the patient independently of each other.
24. A device for treating a body part of a patient, comprising:
a radiofrequency electrode;
a high frequency generator configured for providing a signal for generating a radiofrequency treatment coupled to the radiofrequency electrode,
wherein the high frequency generator is configured to cause the radiofrequency electrode to generate radiofrequency waves;
a magnetic field generating device;
an energy storage device coupled to the magnetic field generating device,
wherein the energy storage device is configured to cause the magnetic field generating device to generate a time-varying magnetic field having a magnetic flux density in a range of 0.1 T to 7 T and a repetition rate in a range of 1 Hz to 300 Hz; and
an applicator,
wherein the radiofrequency electrode and the magnetic field generating device are disposed within the applicator,
wherein the magnetic field generating device is configured to cause muscle contractions of a muscle within the body part of the patient, and
wherein the radiofrequency electrode is configured to heat a biological structure within the body part of the patient.
25. The device of claim 24 , wherein the radiofrequency waves are configured to heat adipose tissue within the body part of the patient.
26. The device of claim 24 , wherein the magnetic field generating device is a flat coil.
27. The device of claim 24 , wherein the applicator includes a temperature sensor and wherein the time-varying magnetic field comprises sinusoidal biphasic impulses.
28. The device of claim 24 , wherein the magnetic field generating device is encircled by the radiofrequency electrode.
29. The device of claim 24 , wherein the radiofrequency electrode is one of a plurality of radiofrequency electrodes, and wherein the magnetic field generating device is encircled by the plurality of radiofrequency electrodes.
30. The device of claim 24 , wherein the applicator includes a cooling fluid configured to cool the magnetic field generating device.