# US 10,478,633 B2 · Aesthetic method of biological structure treatment by magnetic field

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 10,478,633 B2
- Document ID: US10478633B2
- Status: Granted
- Kind: B2
- Application number: 16/196,798
- Filed: 2018-11-20
- Published: 2019-06-27
- Granted: 2019-11-19
- Earliest claimed: 2015-07-01
- Assignees: BTL Medical Technologies S.R.O.
- Applicants: BTL Medical Technologies S.R.O.
- Inventors: Tomás Schwarz; Ondra Prouza
- Web page: https://patentgrep.com/patent/US10478633B2

## CPC

- A61N 2/002: {in combination with another treatment}
- A61B 18/02: by cooling, e.g. cryogenic techniques
- A61B 18/203: {applying laser energy to the outside of the body}
- A61N 1/06: for high-frequency therapy
- A61N 1/40: Applying electric fields by inductive or capacitive coupling (microwave apparatus A61N5/00); {Applying radio-frequency signals}
- A61N 2/004: {specially adapted for a specific therapy}
- A61N 2/02: using magnetic fields produced by coils, including single turn loops or electromagnets (A61N2/12 takes precedence)
- A61N 5/0616: {Skin treatment other than tanning}
- A61N 5/0622: {Optical stimulation for exciting neural tissue}
- A61N 5/0624: {for eliminating microbes, germs, bacteria on or in the body}
- A61B 18/22: the beam being directed along or through a flexible conduit, e.g. an optical fibre; {Couplings or} hand-pieces therefor
- A61B 2018/00005: {Cooling or heating of the probe or tissue immediately surrounding the probe}
- A61B 2018/00464: {Subcutaneous fat, e.g. liposuction, lipolysis}
- A61B 2018/0047: {Upper parts of the skin, e.g. skin peeling or treatment of wrinkles}
- A61B 2018/00994: {combining two or more different kinds of non-mechanical energy or combining one or more non-mechanical energies with ultrasound}
- A61N 2/008: {for pain treatment or analgesia}
- A61N 5/062: {Photodynamic therapy, i.e. excitation of an agent}
- A61N 5/067: using laser light
- A61N 2005/0626: {Monitoring, verifying, controlling systems and methods}
- A61N 2005/0644: {Handheld applicators}
- A61N 2005/0659: {infrared}
- A61N 2005/0661: {ultraviolet}
- A61N 2005/0663: {Coloured light}
- A61N 2007/0008: {Destruction of fat cells}
- A61N 2007/0034: {Skin treatment}
- A61N: ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infrared radiators for heating H05B)
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)

## 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

### Claim 1

A method for treating a patient, the method comprising the steps of:
providing a current to a first magnetic field generating device to generate a first time-varying magnetic field, wherein the first time-varying magnetic field comprises an impulse duration in a range between 3 μs and 10000 μs and a magnetic flux density in a range between 0.1 Tesla and 7 Tesla;
providing a current to a second magnetic field generating device to generate a second time-varying magnetic field with an impulse duration in a range between 3 μs and 10000 μs and a magnetic flux density in a range between 0.1 Tesla and 7 Tesla;
applying the first and second time-varying magnetic fields to muscle fibers, neuromuscular plates, or peripheral nerves innervating muscle fibers within a body region of the patient such that a muscle is caused to contract; and
cooling adipose cells within the body region of the patient with a cooling element having a temperature of between 20° C. and −20° C.;
wherein the step of applying the first and second time-varying magnetic fields further comprises:
generating a plurality of bursts including at least one first burst and at least one second burst, each burst having a duration, wherein each of said bursts includes: (i) a train of magnetic pulses configured to cause a muscle contraction by the patient, (ii) a time period without generating a magnetic field that is configured to cause muscle contraction by the patient, wherein the time period follows the train of magnetic pulses;
applying the at least one first burst to muscle fibers, neuromuscular plates, or peripheral nerves innervating muscle fibers within the body region of the patient, wherein each said first burst comprises a first train of magnetic pulses having a duration in a range between 1 seconds and 15 seconds and a repetition rate in a range between 1 Hz and 100 Hz;
applying the at least one second burst to muscle fibers, neuromuscular plates, or peripheral nerves innervating muscle fibers within the body region of the patient, wherein each said second burst comprises a second train of magnetic pulses having a duration in a range between 1 seconds and 15 seconds and a repetition rate in a range between 2 Hz and 90 Hz; and
wherein the at least one first burst differs from the at least one second burst by at least one treatment parameter selected from a group consisting of the magnetic flux density, the repetition rate of the magnetic pulses, a duration of the burst, and a duration of the train.

### Claim 2 (depends on 1)

The method of claim 1, wherein the body region includes at least one of a buttock, a thigh, a hip, an abdomen, an arm, or flanks of the patient.

### Claim 3 (depends on 1)

The method of claim 1, wherein the first and second time-varying magnetic fields are simultaneously applied.

### Claim 4 (depends on 1)

The method of claim 1 wherein the cooling step is performed no more than three months before or after the time-varying magnetic field application step.

### Claim 5 (depends on 1)

The method of claim 1, further comprising:
placing a first applicator housing the first magnetic field generating device and a second applicator housing the second magnetic field generating device in contact with the patient's skin or clothing.

### Claim 6 (depends on 5)

The method of claim 5, further comprising:
coupling the first and second applicators to the patient with a belt.

### Claim 7 (depends on 1)

The method of claim 1, further comprising:
applying a negative pressure to the patient's skin within the body region of the patient during the cooling step such that the cooling element contacts the patient's skin.

### Claim 8 (depends on 1)

The method of claim 1, further comprising:
placing a first applicator housing the first magnetic field generating device and placing a second applicator housing the second magnetic field generating device on a patient, the first and second applicators being disposed in a lateral direction along the patient.

### Claim 9

A method for treating at least one body region of a patient, the method comprising the steps of:
placing an applicator comprising a magnetic field generating device in contact with patient's skin;
attaching the applicator to the at least one body region of the patient via a flexible belt;
generating, by the magnetic field generating device, a time-varying magnetic field, wherein the time-varying magnetic field comprises a magnetic flux density in a range between 0.1 Tesla and 7 Tesla and a plurality of magnetic pulses with a repetition rate in a range between 1 Hz and 300 Hz;
applying the time-varying magnetic field to muscle fibers, neuromuscular plates, or peripheral nerves innervating muscle fibers within the at least one body region of the patient such that a muscle is caused to contract; and
cooling adipose cells within the at least one body region of the patient with a cooling element having a temperature in a range between 20° C. and −20° C.;
wherein the step of applying further comprises:
modulating the plurality of magnetic pulses of the time-varying magnetic field into at least one train of magnetic pulses, each said train of magnetic pulses lasting for a time period in a range between 1 second and 30 seconds;
applying the at least one train of magnetic pulses to the muscle fibers, neuromuscular plates, or peripheral nerves innervating muscle fibers within the at least one body region of the patient such that the muscle is caused to contract; and
establishing a burst by generating no pulses of the time-varying magnetic field for a time period lasting in a range between 1 second and 30 seconds after applying a last magnetic pulse of the at least one train of magnetic pulses.

### Claim 10 (depends on 9)

The method of claim 9, wherein the applicator includes a first applicator and a second applicator, and the magnetic field generating device includes a first magnetic field generating device housed in the first applicator and a second magnetic field generating device housed in the second applicator;
wherein the first and second applicators are attached to the at least one body region of the patient via the flexible belt;
wherein the steps of generating and applying the time-varying magnetic field further comprises:
using the first applicator housing the first magnetic field generating device and the second applicator housing the second magnetic field generating device to apply the time-varying magnetic field to cooperating or pair muscles.

### Claim 11 (depends on 10)

The method of claim 10, wherein the first applicator comprises a connecting tube connected to a source of fluid.

### Claim 12 (depends on 9)

The method of claim 9 wherein the step of cooling further comprises:
using a cooling media to cool the adipose cells.

### Claim 13 (depends on 9)

The method of claim 9, wherein the at least one body region is located between:
a) costae and pubic bone of the patient; or
b) gluteal fold and iliac crest; or
c) gluteal sulcus and popliteal fossa.

### Claim 14 (depends on 9)

The method of claim 9, wherein each said train of magnetic pulses is modulated as a trapezoidal envelope such that an amplitude of a magnetic flux density of the magnetic pulses increases over a first subperiod of the time period of each said train, remains constant over a second subperiod of the time period of each said train, and decreases over a third time subperiod of the time period of each said train.

### Claim 15 (depends on 9)

The method of claim 9, further comprising:
applying a negative pressure to the patient's skin within the at least one body region of the patient, such that the cooling element contacts the patient's skin.

### Claim 16

A method for treating a body region of a patient, the method comprising:
charging a first energy storage device and a second energy storage device;
discharging a current pulse from the first energy storage device to a first magnetic field generating device to generate a first time-varying magnetic field;
discharging a current pulse from the second energy storage device to a second magnetic field generating device to generate a second time-varying magnetic field;
applying the first and second time-varying magnetic fields to 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; and
cooling an epidermis of the patient with a cooling element or a cooling media.

### Claim 17 (depends on 16)

The method of claim 16, wherein the first and second time-varying magnetic fields each comprise at least one train of magnetic pulses, each said train lasts for a duration comprising a first time subperiod, a second time subperiod, and a third time subperiod;
wherein during the first time subperiod, an amplitude of a magnetic flux density of each said magnetic pulse of each said train is increased toward a predetermined magnetic flux density value;
wherein during the second time subperiod, the amplitude of the magnetic flux density of each said magnetic pulse of each said train is maintained at the predetermined magnetic flux density value; and
wherein during the third time subperiod, the amplitude of the magnetic flux density of each said magnetic pulse of each said train is decreased from the predetermined magnetic flux density value toward a magnetic flux density value of zero.

### Claim 18 (depends on 16)

The method of claim 16 further comprising:
coupling a first applicator housing the first magnetic field generating device and a second applicator housing the second magnetic field generating device to the patient with a belt, such that the belt holds the first and second applicators against the patient's skin or clothing.

### Claim 19 (depends on 18)

The method of claim 18, wherein the first and second applicators each include a handle for manual positioning the first and second applicators along a body of the patient.

### Claim 20 (depends on 18)

The method of claim 18, wherein the first and second applicators each comprises a concavity for receiving the belt.

### Claim 21 (depends on 16)

The method of claim 16, wherein the step of cooling the epidermis of the patient lasts for a time period of at least 10 seconds.

### Claim 22 (depends on 16)

The method of claim 16, wherein the body region includes at least one of a buttock, a thigh, a hip, an abdomen, an arm, or flanks of the patient.

### Claim 23 (depends on 16)

The method of claim 16, wherein the first and second time-varying magnetic fields are simultaneously applied.

### Claim 24

A method for treating a body region of a patient, the method comprising:
placing a first applicator comprising a first magnetic field generating device and a second applicator comprising a second magnetic field generating device proximate to the body region of the patient;
generating a first time-varying magnetic field and a second time-varying field by repetitively supplying a current pulse to the first and second magnetic field generating devices, wherein the first and second time-varying magnetic fields each comprise a magnetic flux density in a range between 0.1 Tesla and 7 Tesla;
applying at least one of the first and second time-varying magnetic fields to 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; and
cooling an epidermis of the patient with a cooling element having a temperature between 10° C. and −15° C.

### Claim 25 (depends on 24)

The method of claim 24, further comprising:
attaching the first and second applicators to the patient's skin or clothing via a belt.

### Claim 26 (depends on 25)

The method of claim 25, further comprising:
applying negative pressure to the patient's skin within the body region of the patient during the cooling step such that the cooling element contacts the patient's skin.

### Claim 27 (depends on 25)

The method of claim 25, wherein the first and second applicators each comprise a concavity for receiving the belt.

### Claim 28 (depends on 24)

The method of claim 24, wherein the first and second time-varying magnetic fields are simultaneously applied.

### Claim 29 (depends on 24)

The method of claim 24, wherein the first and second time-varying magnetic fields are applied simultaneously to two different regions of the body such that at least two different muscles are caused to contract.

### Claim 30 (depends on 24)

The method of claim 24, wherein the step of cooling further comprises using a positioning member to fix the cooling element to the patient.