Aesthetic method of biological structure treatment by magnetic field
Treatment devices for treating a patient using time-varying magnetic field are described. The treatment devices use various approaches for treatment of a patient, for example, treatment of incontinence.
1 . A magnetic treatment device for applying a time-varying magnetic field to a patient, the magnetic treatment device comprising:
a seating portion comprising a recess, wherein the seating portion is configured to receive the patient such that the patient sits on the seating portion, and wherein the seating portion is configured to be oriented in a horizontal plane;
a back rest portion configured to be coupled to the seating portion, wherein the back rest portion extends up from the seating portion;
an applicator configured to be inserted into the recess parallel to the horizontal plane, the applicator comprising:
a casing; and
a magnetic field generating coil enclosed by the casing, wherein the magnetic field generating coil is planar;
a device for directing a cooling medium into the casing to cool the magnetic field generating coil; and
a switching device configured to be switched to discharge a capacitor to the magnetic field generating coil such that the magnetic field generating coil generates the time-varying magnetic field with an impulse duration in a range of 3 μs to 1 ms and with a maximal value of a magnetic flux density derivative in a range of 0.3 kT/s to 800 kT/s,
wherein the magnetic treatment device is configured to apply the time-varying magnetic field to a pelvic floor of the patient to cause a muscle contraction to treat incontinence.
2 . The magnetic treatment device of claim 1 , wherein the applicator is configured to be inserted by a translational movement.
3 . The magnetic treatment device of claim 1 , wherein the time-varying magnetic field comprises a biphasic impulse.
4 . The magnetic treatment device of claim 1 , wherein the magnetic field generating coil is circular.
5 . The magnetic treatment device of claim 1 , wherein the magnetic field generating coil is moveable within the seating portion in the horizontal plane.
6 . The magnetic treatment device of claim 1 , wherein the cooling medium is oil.
7 . The magnetic treatment device of claim 1 , wherein the seating portion comprising a locking mechanism configured to maintain the applicator within the recess.
8 . The magnetic treatment device of claim 1 , wherein the seating portion comprises a guiding member.
9 . The magnetic treatment device of claim 8 , wherein the magnetic field generating coil is configured to slide along the guiding member.
10 . A magnetic treatment device for applying a time-varying magnetic field to a patient, the magnetic treatment device comprising:
a seating portion configured to receive a patient such that the patient sits on the seating portion, wherein the seating portion is configured to be oriented in a horizontal plane and comprises a recess with a locking mechanism;
a back rest portion configured to be coupled to the seating portion, wherein the back rest portion extends up from the seating portion;
an applicator within the seating portion configured to be inserted into the recess of the seating portion and coupled by the locking mechanism, wherein the applicator comprises a casing enclosing a magnetic field generating coil,
wherein the magnetic field generating coil is planar and circular,
wherein the magnetic field generating coil is configured to be cooled, and
wherein the magnetic field generating coil is configured to be moveable in a plane parallel to the horizontal plane; and
a switching device configured to be switched to discharge a capacitor to the magnetic field generating coil such that the magnetic field generating coil generates the time-varying magnetic field with an impulse duration in a range of 3μ to 1 ms,
wherein the magnetic treatment device is configured to apply the time-varying magnetic field to a pelvic floor of the patient to cause a muscle contraction to treat incontinence.
11 . The magnetic treatment device of claim 10 , further comprising a moveable member configured to move the magnetic field generating coil.
12 . The treatment device of claim 11 , further comprising a guiding member configured to direct movement of the moveable member.
13 . The treatment device of claim 12 , wherein the moveable member is configured to slide along the guiding member.
14 . The treatment device of claim 13 , wherein the guiding member is a rail.
15 . The treatment device of claim 10 , wherein the time-varying magnetic field comprises biphasic sinusoidal impulse.
16 . The treatment device of claim 10 , wherein the time-varying magnetic field has a magnetic flux density in a range of 0.5 Tesla to 7 Tesla.
17 . A magnetic treatment device for applying a time-varying magnetic field to a patient, the magnetic treatment device comprising:
a seating portion configured to receive the patient such that the patient sits on the seating portion, wherein the seating portion comprises a guiding member configured to enable movement of a hand-held applicator, wherein the seating portion is configured to be oriented in a horizontal plane;
the hand-held applicator configured to be inserted into the seating portion in a plane parallel to the horizontal plane, the hand-held applicator comprising:
a casing; and
a magnetic field generating coil, wherein the magnetic field generating coil is enclosed within the casing, wherein the magnetic field generating coil is planar;
a back rest portion configured to be coupled to the seating portion, wherein the back rest portion extends up from the seating portion;
a switching device configured to be switched to discharge a capacitor to the magnetic field generating coil such that the magnetic field generating coil generates the time-varying magnetic field with an impulse duration in a range of 3 μs to 1 ms, a magnetic flux density in a range of 0.5 Tesla to 7 Tesla, and a maximal value of a magnetic flux density derivative in a range of 0.3 kT/s to 800 kT/s; and
a device for directing a cooling medium into the casing to cool the magnetic field generating coil;
wherein the magnetic treatment device is configured to apply the time-varying magnetic field to a pelvic floor of the patient to cause a muscle contraction to treat incontinence.
18 . The treatment device of claim 17 , further comprising a moveable member configured to move the magnetic field generating coil.
19 . The treatment device of claim 18 , wherein the magnetic field generating coil has a winding area in a range of 9 cm 2 to 1950 cm 2 .
20 . The treatment device of claim 17 , wherein the magnetic field generating coil is dynamically moveable within the seating portion to move a focus point of the incontinence treatment to apply the time-varying magnetic field to a plurality of muscles of the pelvic floor.
21 . The treatment device of claim 17 , further comprising a moving mechanism configured to move the magnetic field generating coil within the seating portion.
22 . The treatment device of claim 21 , wherein the moving mechanism is propelled by an actuator to enable a sliding member to be moved in a single axis.
23 . A magnetic treatment device for applying a time-varying magnetic field to a patient, the magnetic treatment device comprising:
a seating portion configured to receive a patient such that the patient sits on the seating portion, wherein the seating portion is configured to be oriented in a horizontal plane;
a back rest portion configured to be coupled to the seating portion, wherein the back rest portion extends up from the seating portion;
a magnetic field generating coil within the seating portion, wherein the magnetic field generating coil is planar and circular, wherein the magnetic field generating coil is configured to be cooled, and wherein the magnetic field generating coil is configured to be moveable in a plane parallel to the horizontal plane;
a switching device configured to be switched to discharge a capacitor to the magnetic field generating coil such that the magnetic field generating coil generates the time-varying magnetic field with an impulse duration in a range of 3μ to 1 ms,
wherein the magnetic treatment device is configured to apply the time-varying magnetic field to a pelvic floor of the patient to cause a muscle contraction to treat incontinence, and
wherein the time-varying magnetic field comprises:
a first section with a first repetition rate in a range of 80 Hz to 150 Hz;
a second section with a second repetition rate in a range of 2 Hz to 10 Hz; and
a third section with a third repetition rate that is higher than the second repetition rate and different from the first repetition rate.