Aesthetic method of biological structure treatment by magnetic field

• US 10,821,295 B1
• Filed: 02/04/2019
• Issued: 11/03/2020
• Est. Priority Date: 07/01/2015
• Status: Active Grant

• Current Assignee: BTL Medical Solutions As
• Original Assignee: BTL Medical Technologies S.r.o.
• Inventors: Schwarz, Tomas, Prouza, Ondra
• Primary Examiner(s): Gilbert, Samuel G
• Application Number:
  US16/266,570
• Time in Patent Office: 638 Days
• Field of Search: 600 9- 15, 606 21, 606 22
• CPC Class Codes: A61B 18/14 Probes or electrodes therefor
• CPC Class Codes: A61B 18/1815 using microwaves
• CPC Class Codes: A61B 18/20 using laser
• CPC Class Codes: A61B 18/203 applying laser energy to the outside of the body
• CPC Class Codes: A61B 2017/00057 Light
• CPC Class Codes: A61B 2017/00106 ultrasonic
• CPC Class Codes: A61B 2017/00115 with audible or visual output with imaging means A61B90/37, A61B34/20
• CPC Class Codes: A61B 2017/00154 pulsed
• CPC Class Codes: A61B 2017/0046 with a releasable handle; with handle and operating part separable for prosthetic joint-implanting tools A61F2/4603
• CPC Class Codes: A61B 2017/00473 Distal part, e.g. tip or head A61B2017/00464 takes precedence
• CPC Class Codes: A61B 2017/00482 with a code
• CPC Class Codes: A61B 2017/00747 Dermatology
• CPC Class Codes: A61B 2017/00769 Tattoo removal
• CPC Class Codes: A61B 2018/00005 Cooling or heating of the probe or tissue immediately surrounding the probe
• CPC Class Codes: A61B 2018/00011 with fluids
• CPC Class Codes: A61B 2018/00017 with gas
• CPC Class Codes: A61B 2018/00029 open
• CPC Class Codes: A61B 2018/00047 using Peltier effect
• CPC Class Codes: A61B 2018/00208 actively driven, e.g. by a motor
• CPC Class Codes: A61B 2018/00315 for treatment of particular body parts
• CPC Class Codes: A61B 2018/00321 : Head or parts thereof
• CPC Class Codes: A61B 2018/00333 : Breast
• CPC Class Codes: A61B 2018/00452 : Skin
• CPC Class Codes: A61B 2018/00458 : Deeper parts of the skin, e.g. treatment of vascular disorders or port wine stains
• CPC Class Codes: A61B 2018/00464 : Subcutaneous fat, e.g. liposuction, lipolysis
• CPC Class Codes: A61B 2018/0047 : Upper parts of the skin, e.g. skin peeling or treatment of wrinkles
• CPC Class Codes: A61B 2018/00476 : Hair follicles
• CPC Class Codes: A61B 2018/00559 : Female reproductive organs
• CPC Class Codes: A61B 2018/00577 : Ablation
• CPC Class Codes: A61B 2018/00589 : Coagulation
• CPC Class Codes: A61B 2018/00642 : with feedback, i.e. closed loop control
• CPC Class Codes: A61B 2018/0066 : without feedback, i.e. open loop control
• CPC Class Codes: A61B 2018/00672 : lower
• CPC Class Codes: A61B 2018/00678 : upper
• CPC Class Codes: A61B 2018/00708 : switching the power on or off
• CPC Class Codes: A61B 2018/00714 : Temperature
• CPC Class Codes: A61B 2018/00761 : Duration
• CPC Class Codes: A61B 2018/00785 : Reflected power
• CPC Class Codes: A61B 2018/00791 : Temperature
• CPC Class Codes: A61B 2018/00803 : with temperature prediction
• CPC Class Codes: A61B 2018/00809 : measured thermochromatically
• CPC Class Codes: A61B 2018/00821 : measured by a thermocouple
• CPC Class Codes: A61B 2018/00827 : Current
• CPC Class Codes: A61B 2018/00839 : Bioelectrical parameters, e.g. ECG, EEG
• CPC Class Codes: A61B 2018/00863 : Fluid flow
• CPC Class Codes: A61B 2018/00869 : Phase
• CPC Class Codes: A61B 2018/00875 : Resistance or impedance
• CPC Class Codes: A61B 2018/00892 : Voltage
• CPC Class Codes: A61B 2018/00898 : Alarms or notifications created in response to an abnormal condition
• CPC Class Codes: A61B 2018/00904 : Automatic detection of target tissue
• CPC Class Codes: A61B 2018/00988 : Means for storing information, e.g. calibration constants, or for preventing excessive use, e.g. usage, service life counter
• CPC Class Codes: A61B 2018/00994 : combining two or more different kinds of non-mechanical energy or combining one or more non-mechanical energies with ultrasound
• CPC Class Codes: A61B 2018/1807 : using light other than laser radiation
• CPC Class Codes: A61B 2018/2035 : Beam shaping or redirecting; Optical components therefor A61B2018/2255 takes precedence
• CPC Class Codes: A61B 2018/20351 : Scanning mechanisms
• CPC Class Codes: A61B 2018/20355 : Special scanning path or conditions, e.g. spiral, raster or providing spot overlap
• CPC Class Codes: A61B 2018/20359 : by movable mirrors, e.g. galvanometric
• CPC Class Codes: A61B 2018/2266 : with a lens, e.g. ball tipped
• CPC Class Codes: A61B 2018/2285 : with removable, replacable, or exchangable tips
• CPC Class Codes: A61B 2090/062 : penetration depth
• CPC Class Codes: A61B 2090/064 : for measuring force, pressure or mechanical tension
• CPC Class Codes: A61B 2562/0247 : Pressure sensors
• CPC Class Codes: A61B 90/06 : Measuring instruments not otherwise provided for
• CPC Class Codes: A61B 90/361 : Image-producing devices, e.g. surgical cameras
• CPC Class Codes: A61B 90/50 : Supports for surgical instruments, e.g. articulated arms
• CPC Class Codes: A61B 90/98 : using electromagnetic means, e.g. transponders
• CPC Class Codes: A61N 1/06 : for high-frequency therapy
• CPC Class Codes: A61N 1/40 : Applying electric fields by inductive or capacitive coupling microwave apparatus A61N5/00; Applying radio-frequency signals
• CPC Class Codes: A61N 2/006 : for magnetic stimulation of nerve tissue
• CPC Class Codes: A61N 2/02 : using magnetic fields produced by coils, including single turn loops or electromagnets A61N2/12 takes precedence
• CPC Class Codes: A61N 2007/0034 : Skin treatment
• CPC Class Codes: A61N 2007/0039 : using microbubbles
• CPC Class Codes: A61N 5/0616 : Skin treatment other than tanning
• CPC Class Codes: A61N 7/00 : Ultrasound therapy lithotripsy A61B17/22, A61B17/225; massage using supersonic vibration A61H23/00 ; using ultrasound for introducing media into the body A61M37/0092

Abstract

Combined methods for treating a patient using time-varying magnetic field are described. The treatment methods combine various approaches for aesthetic treatment. The methods are focused on enhancing a visual appearance of the patient.

Claims

1. A method of patient treatment comprising:

charging an energy storage device and providing energy from the energy storage device to a magnetic field generating device to generate a time-varying magnetic field;

applying the time-varying magnetic field having a repetition rate in a range of 1 Hz to 300 Hz and a magnetic flux density in a range of 0.1 T and 7 T to muscle fibers, neuromuscular plates, or peripheral nerves innervating muscle fibers within a body region of a patient such that a muscle is caused to contract;

generating radiofrequency waves by an HF generator and providing the radiofrequency waves in a range of 500 kHz to 3 GHz to a radiofrequency electrode; and

applying the radiofrequency waves to the patient;

wherein the magnetic field generating device and the radiofrequency electrode are disposed in an applicator.

2. The method of treatment of claim 1, further comprising cooling the magnetic field generating device.

3. The method of treatment of claim 1, further including:

generating the time-varying magnetic field in a plurality of bursts, wherein each of the plurality of bursts includes a train of a plurality of magnetic pulses configured to cause a muscle contraction, wherein the train is followed by a relaxation period,

wherein each train lasts in a range of 1 second to 30 seconds and the plurality of magnetic pulses of the train includes a repetition rate in a range of 2 Hz to 90 Hz.

4. The method of treatment of claim 1, wherein the step of applying the time-varying magnetic field causes a repetitive contraction of at least one muscle selected from a group consisting of:

a) rectus abdominis muscle, external oblique muscle, internal oblique muscle and/or transversus abdominis;

or

b) gluteus maximus muscle, gluteus medius muscle and/or gluteus minimus muscle;

or

c) m. biceps femoris, m. semimembranosus, m. semitendinosus, tensor fascia latae muscle, or vastus lateralis muscle.

5. The method of treatment of claim 1, wherein the energy storage device has a capacitance in a range of 5 nF to 100 mF;

and

wherein the magnetic field generating device has an inductance in a range of 1 nH to 50 mH.

6. The method of treatment of claim 1, further comprising placing the applicator on the patient and fixing the applicator to the patient by a positioning member.

7. The method of treatment of claim 1, wherein the step of applying the radiofrequency waves heats a target biological structure of the patient and is applied simultaneously with the step of applying the time-varying magnetic field.

8. A method of patient treatment comprising:

providing energy from an energy storage device to a magnetic field generating device to generate a time-varying magnetic field with a magnetic flux density in a range of 0.1 T to 7 T, a repetition rate in a range of 1 Hz to 300 Hz, with an impulse duration in a range of 3 μ

s to 1 ms, and a maximal value of a magnetic flux density derivative in a range of 0.3 kT/s to 800 kT/s;

applying the time-varying magnetic field to muscle fibers, neuromuscular plates, or peripheral nerves innervating muscle fibers within a body region of a patient such that a muscle of the patient is caused to contract;

generating radiofrequency waves with a frequency in a range of 500 kHz to 3 GHz; and

applying the radiofrequency waves to the patient to cause heating of a biological structure of the patient.

9. The method of treatment of claim 8, further comprising:

providing a radiofrequency signal to a balun transformer to convert an unbalanced radiofrequency signal to a balanced radiofrequency signal.

10. The method of treatment of claim 8, further comprising:

providing a radiofrequency signal to a transmatch to adjust an impedance of at least one radiofrequency electrode.

11. The method of treatment of claim 8, wherein the energy storage device has a capacitance in a range of 5 nF to 100 mF;

and

wherein the magnetic field generating device has an inductance in a range of 1 nH to 50 mH.

12. The method of treatment of claim 8, wherein the step of applying the radiofrequency waves heats the biological structure of the patient to a temperature in a range of 37°

C. to 60°

C.

13. The method of treatment of claim 8, further comprising:

assembling magnetic pulses of the time-varying magnetic field into a train lasting in a range of 1 second to 30 seconds; and

generating no magnetic pulses of the time-varying magnetic field for a time period in a range of 1 second to 7 seconds after a last magnetic pulse of the train to establish a burst; and

applying the train to the muscle fibers, neuromuscular plates, or peripheral nerves innervating muscle fibers within the body region of the patient such that the muscle is caused to contract.

14. The method of treatment of claim 8, wherein the step of applying the time-varying magnetic field causes a repetitive contraction of at least one muscle selected from a group comprising:

a) rectus abdominis muscle, external oblique muscle, internal oblique muscle and/or transversus abdominis;

or

b) gluteus maximus muscle, gluteus medius muscle and/or gluteus minimus muscle;

or

c) m. biceps femoris, m. semimembranosus, m. semitendinosus, tensor fascia latae muscle, vastus lateralis muscle, iliotibial muscle and/or m. triceps surae.

15. A method of patient treatment comprising:

providing energy from an energy storage device to a magnetic field generating device;

generating, by the magnetic field generating device, a time-varying magnetic field having a plurality of magnetic pulses with a magnetic flux density in a range of 0.1 Tesla to 7 Tesla, a maximal value of a magnetic flux density derivative in a range of 300 T/s to 800 kT/s, and a repetition rate in a range of 1 Hz to 300 Hz;

applying the plurality of magnetic pulses of the time-varying magnetic field to muscle fibers, neuromuscular plates, or peripheral nerves innervating muscle fibers within a body region of a patient such that a muscle is caused to contract;

generating radiofrequency waves by an HF generator and providing the radiofrequency waves in a range of 500 kHz to 3 GHz to a radiofrequency electrode; and

applying the radiofrequency waves to the patient,

heating a target biological structure of the patient by the radiofrequency waves.

16. The method of treatment of claim 15, further comprising:

assembling the plurality of magnetic pulses of the time-varying magnetic field into a train; and

applying the train to the muscle fibers, neuromuscular plates, or peripheral nerves innervating muscle fibers within the body region of the patient such that a muscle is caused to contract.

17. The method of treatment of claim 15, further comprising cooling the magnetic field generating device.

18. The method of treatment of claim 15, further comprising:

providing a radiofrequency signal to a balun transformer to convert an unbalanced radiofrequency signal to a balanced radiofrequency signal.

19. The method of treatment of claim 18, further comprising:

providing the radiofrequency signal to a transmatch to adjust an impedance of at least one radiofrequency electrode.

20. The method of treatment of claim 15, wherein the step of applying the time-varying magnetic field causes a repetitive contraction of at least one muscle selected from a group consisting of:

a) rectus abdominis muscle, external oblique muscle, internal oblique muscle and/or transversus abdominis;

or

b) gluteus maximus muscle, gluteus medius muscle and/or gluteus minimus muscle;

or

c) m. biceps femoris, m. semimembranosus, m. semitendinosus, tensor fascia latae muscle, vastus lateralis muscle, iliotibial muscle and/or m. triceps surae.

21. The method of treatment of claim 15, wherein the energy storage device has a capacitance in a range of 5 nF to 100 mF;

and

wherein the magnetic field generating device has an inductance in a range of 1 nH to 50 mH.

22. The method of treatment of claim 15, further comprising:

generating, by a second magnetic field generating device, a second time-varying magnetic field;

applying the second time-varying magnetic field to a second group of muscle fibers, neuromuscular plates, or peripheral nerves innervating muscle fibers within the body region of the patient such that a second muscle is caused to contract.

23. A method of patient treatment using an HF generator, a radiofrequency electrode, an energy storage device and a first magnetic field generating device, comprising:

providing energy from the energy storage device to the first magnetic field generating device to generate a first time-varying magnetic field, wherein the first magnetic field generating device has an inductance in a range 1 nH to 50 mH;

applying the first time-varying magnetic field having a repetition rate in a range of 1 Hz to 300 Hz and a magnetic flux density in a range 0.1 T to 7 T to muscle fibers, neuromuscular plates, or peripheral nerves innervating muscle fibers within a body region of a patient such that a muscle is caused to contract;

generating radiofrequency waves with a frequency in a range of 500 kHz to 3 GHz;

applying the radiofrequency waves to the patient; and

heating the patient by the radiofrequency waves.

24. The method of treatment of claim 23, further comprising:

providing a first applicator including the first magnetic field generating device and a second applicator including a second magnetic generating device;

generating, by the second magnetic field generating device, a second time-varying magnetic field;

applying, by the second applicator, the second time-varying magnetic field to a second group of muscle fibers, neuromuscular plates, or peripheral nerves innervating muscle fibers within the body region of the patient such that a second muscle is caused to contract.

25. The method of treatment of claim 23, wherein the energy storage device has a capacitance in a range of 5 nF to 100 mF.

26. The method of treatment of claim 23, further comprising cooling the first magnetic field generating device.

27. The method of treatment of claim 23, wherein the step of heating the patient by the radiofrequency waves includes heating a biological structure of the patient to a temperature in a range of 37°

C. to 60°

C.

28. The method of claim 24, further comprising applying the first time-varying magnetic field generated by the first magnetic field generating device and the second time-varying magnetic field generated by the second magnetic field generating device simultaneously.

29. The method of treatment of claim 23, further including:

generating the first time-varying magnetic field in a plurality of bursts, wherein each of the plurality of bursts includes a train of magnetic pulses configured to cause a muscle contraction,

wherein the plurality of bursts includes a first burst comprising a first train of magnetic pulses having a first repetition rate and a second burst comprising a second train of magnetic pulses having a second repetition rate that is different than the first repetition rate.

30. The method of treatment of claim 29, wherein each train is followed by a time period with no magnetic field generation or a generation of a magnetic field not configured to cause the muscle contraction.