Granted Patent B2

US 11,129,998 · App. 16/194,800 · Granted Sep 28, 2021

Inventors: Ondrej Prouza (Ricany u Prahy, CZ); Tomas Schwarz (Prague, CZ)

Assignee: BTL Medical Technologies s.r.o.

A61N1/403A61N1/0408A61N1/0476A61N1/06

Abstract

Claims (87)

1. A method of improving a visual appearance of a patient with a treatment device, comprising:

placing an applicator in contact with a body part of the patient, with the applicator including a radiofrequency electrode, a coil, and a dielectric material positioned between the radiofrequency electrode and a contact part of the applicator, with a cavity formed in the dielectric material open to the contact part of the applicator;

applying a radiofrequency field generated by the radiofrequency electrode to a soft tissue of the patient and heating the soft tissue via the radiofrequency field;

evacuating the cavity to create a vacuum in the cavity with a difference in pressure value inside the cavity compared to a pressure outside the cavity in a range from 0.01 kPa to 100 kPa and applying the vacuum to a skin of the patient; and

applying a magnetic field generated by the coil to the soft tissue causing a muscle contraction in order to improve the visual appearance of the patient.

2. The method of claim 1 , wherein the vacuum is applied in pressure pulses, with the pressure pulses providing massage of the soft tissue by repeatedly changing a pressure value in the cavity; and

wherein the radiofrequency electrode is a first radiofrequency electrode and wherein the treatment device further includes a second radiofrequency electrode.

3. The method of claim 2 , wherein the applicator further includes a vacuum aperture;

wherein the vacuum aperture is positioned in proximity to the first and the second radiofrequency electrodes; and

wherein the cavity is evacuated through the vacuum aperture.

4. The method of claim 2 , further including providing a temperature difference ΔT2between an epidermis and an adipose tissue of the patient with the temperature difference ΔT2in a range between 0-18 ° C.; and

maintaining a temperature of the epidermis in a range between 32 ° C. to 70 ° C.

5. The method of claim 4 , wherein the energy applied to the soft tissue by the coil is a first time-varying magnetic field with a repetition rate of 1 Hz to 200 Hz.

6. The method of claim 5 , further including automatically controlling the temperature during the treatment with a temperature control system.

7. The method of claim 5 , further including sequentially applying the first time varying magnetic field causing the muscle contractions and the vacuum pulses;

wherein the vacuum pulses are applied in a time of no magnetic field application; and

wherein the vacuum pulses cause a muscle relaxation prior to or after the muscle contraction.

8. The method of claim 5 , further including providing an adjustable radiofrequency energy flux density between the first and the second radiofrequency electrodes of the applicator in a range of 0.01 mW/mm2 to 2000 mW/mm2;

holding the temperature of the epidermis for 0.05 to 30 min;

providing the vacuum pulses with a duration in a range between 0.1 s to 100 s; and

improving lymph and blood flow in the patient, thus improving homogenous heat distribution in the treated soft tissue and reducing the creation of hot spots.

9. The method of claim 5 , further including:

applying the vacuum into the cavity under the applicator with a duration of vacuum pulses in a range between 0.1 s to 100 s;

applying the first time-varying magnetic field with a magnetic flux density on a surface of the coil in a range of 0.2 T to 7 T;

applying the radiofrequency field with a frequency range of 0.5 MHz to 100 MHz; and

holding the epidermis at a constant temperature for 0.05 to 30 min;

wherein the radiofrequency electrodes are configured to create a bipolar system; and

wherein the heating of the soft tissue, the vacuum pulses provided to the skin, and the muscle contractions are combined to cause body shaping.

10. The method of claim 9 , further including placing a second applicator onto the body part of the patient, with the second applicator including a third and a fourth radiofrequency electrode, a second coil, and a second cavity; and

applying vacuum pulses into the second cavity with the vacuum pulses having a duration in a range between 0.1 s to 100 s and a difference in pressure value inside the second cavity compared to a pressure outside the second cavity in the range of 0.1 kPa to 100 kPa; and

applying a second time-varying magnetic field to the soft tissue generated by the second coil causing a muscle contraction;

wherein the third and fourth radiofrequency electrodes are configured to create a bipolar system, with an adjustable radiofrequency energy flux density between the third and fourth radiofrequency electrode of the second applicator in the range between 0 . 01 mW/mm 2 and 2000 mW/mm 2 .

11. The method of claim 10 , further including applying the first and the second time- varying magnetic fields simultaneously;

wherein the second time-varying magnetic field has a repetition rate of 1 Hz to 200 Hz and has a magnetic flux density on a surface of the second coil in the range of 0.2 T to 7 T.

12. The method of claim 1 , wherein the dielectric material under the electrode has a thermal conductivity in a range of 0.001 to 500 W″m - 1″K - 1, a thickness in a range from 0 . 1 mm to 12 cm, and a hardness in a range from shore A5 to shore D80.

13. The method of claim 1 , further comprising attaching the applicator to the body part of the patient with the vacuum.

14. A method of improving a visual appearance of a patient, comprising:

placing an applicator in contact with a body part of the patient comprising a soft tissue, with the applicator including at least two electrodes, a coil, and a cavity;

applying a pressure to the body part of the patient through the cavity;

generating a radiofrequency field with the radiofrequency electrodes and heating the soft tissue of the patient with the radiofrequency field;

maintaining a temperature of a skin of the patient in a range between 37 ° C. to 50 ° C.;

generating a first time-varying magnetic field with the coil, with a repetition rate between 1 Hz and 200 Hz; and

applying the first time-varying magnetic field to the soft tissue;

wherein the pressure is cyclically applied in pulses providing a massage of the soft tissue in order to improve the visual appearance of the patient.

15. The method of claim 14 , wherein a difference in pressure inside the cavity compared to a pressure outside the cavity is in a range of 0.1 to 100 kPa;

wherein the radiofrequency electrodes are configured to provide radio frequency treatment in a frequency range between 0.5 MHz and 100 MHz; and

wherein the heating of the soft tissue with the radiofrequency electrodes and the pressure applied in the cavity is combined to improve homogenous heat distribution in the treated soft tissue and reduce the creation of hot spots.

16. The method of claim 15 , wherein the first time varying magnetic field has a magnetic flux density on a surface of the coil in a range of 0.2 T to 7 T;

wherein the first time-varying magnetic field causes a muscle contraction; and

wherein the heating of the soft tissue, the massage of the soft tissue, and the muscle contractions are combined to cause body shaping.

17. The method of claim 16 , further including:

maintaining a temperature of the surface of the soft tissue for 0.05 to 30 min,

automatically regulating the temperature of the surface of the soft tissue during the treatment with a temperature control system; and

applying the first time varying magnetic field and the pressure pulses in sequences;

wherein a sequence of the pressure pulses causing a muscle relaxation is applied prior to or after a sequence of the first time-varying magnetic field causing the muscle contraction.

18. The method of claim 16 , further including placing a second applicator onto the body part of the patient, with the second applicator including at least two second radiofrequency electrodes, a second coil, and a second cavity; and

generating a second time-varying magnetic field with the second coil, with a magnetic flux density on a surface of the second coil in a range of 0.2 T to 7 T;

wherein the first and the second time-varying magnetic fields are applied simultaneously.

19. The method of claim 16 , wherein the heating of the soft tissue via the radiofrequency electrodes and applying the first time-varying magnetic field causing the muscle contraction are applied sequentially to cause a treatment effect.

20. The method of claim 16 , further including monitoring or evaluating a temperature of the surface of the soft tissue, a temperature of a system enclosure, or a temperature of the applicator using at least one sensor;

wherein the treatment device is configured to automatically change at least one of a frequency, an output power or a pulse duration of the radiofrequency electrode or the coil, a pressure in the cavity under the applicator, or a temperature of a contact surface of the applicator based on information received from the at least one sensor.

21. The method of claim 16 , wherein the treatment device further includes at least one preprogramed treatment protocol for achieving body shaping.

22. The method of claim 16 , further comprising:

providing a radio frequency signal to the radiofrequency electrodes using a high frequency generator, a balun transformer and an impedance-matching circuit;

controlling the pressure in the cavity with a pump; and

controlling the first time-varying magnetic field of the coil using an energy generating unit.

23. The method of claim 18 , further comprising deflecting the soft tissue in a range of 0.5 mm to 60 mm with the pressure pulses;

wherein the pressure provided in the cavity is a negative pressure.

24. The method of claim 18 , wherein the pressure provided in the cavity is a positive pressure.

25. A method of improving a visual appearance of a patient with a treatment device, comprising:

placing an applicator in contact with a surface of a soft tissue of a body part of a patient, with the applicator including an electrode at least partially covered by a dielectric material , with a cavity formed in the dielectric material open to the contact part of the applicator;

applying a pulsating pressure to the cavity, wherein a difference in a pressure value inside the cavity compared to a pressure outside the cavity is in a range from 0.1 kPa to 100 kPa, with a duration of pressure pulses in a range between 0.1 s to 100 s; and

generating a radiofrequency field with the electrode, providing a radiofrequency treatment to the soft tissue in a frequency range between 0.5 MHz to 100 MHz and heating an adipose tissue of the body part with the radiofrequency field in order to improve the visual appearance of the patient.

26. The method of claim 25 , further including massaging the soft tissue with the pulsating pressure, wherein the pressure is a positive pressure.

27. The method of claim 25 , wherein the electrode is further configured to provide an electrical current causing a muscle contraction; and

wherein the electrical current or its pulse envelope is generated with a frequency in a range of 0.1 Hz to 200 Hz.

28. A method of improving a visual appearance of a patient with a treatment device, comprising:

placing at least two applicators in contact with a surface of the soft tissue, with each applicator including at least one radiofrequency electrode, a cavity and a coil;

providing radiofrequency treatment with each radiofrequency electrode of the at least one radiofrequency electrode in a frequency range between 0.5 MHz to 100 MHz;

controlling the at least one electrode of each of the at least two applicators with a high frequency generator, a balun transformer and an impedance-matching circuit;

applying a negative pressure to the cavity under each applicator;

controlling the negative pressure in the cavity under each applicator with a pump;

applying an additional energy to the soft tissue with the coil configured to cause a contraction of a muscle of the patient; and

capacitively heating the soft tissue under each applicator by radiofrequency treatment for improvement of the visual appearance of the patient.

29. The method according to claim 28 ,

wherein the energy applied to the soft tissue with the coil is a time-varying magnetic field with a magnetic flux density on a surface of the coil in a range of 0.2 T to 7 T and with a repetition rate of 1 Hz to 200 Hz.

30. The method according to claim 29 , wherein the muscle is one of an upper back, infraspinatus, deltoids, biceps, triceps, forearms, chest muscle, middle back, lower back, side abs, rectus abdominis, gluteus maximus, hamstring group, quadriceps, tibialis anterior, calf, pelvic floor muscles, face muscles and psoas major muscle.

Assignments (5)

Continuity (11)