Magnetic core for medical procedures
The inventive technique include a system, method and device for treating a patient. The inventive system includes a magnetic field generating device created using a powdered ferromagnetic. The system further includes a circuit in electrical communication with the magnetic core, and a power source in electrical communication with the circuit. The ferromagnetic powder core may be manufactured by at least one of the following: machining, pressing, molding, gluing, and extruding. Also, the ferromagnetic powder core may have a distributed gap structure, where the gap structure operates to focus the magnetic field between pole faces of the magnetic device.
1. A system for treating a patient, comprising:
a magnetic field generating device having a distributed gap core structure that is adapted for use in connection with repetitive transcranial magnetic stimulation, wherein the distributed gap core structure comprises a matrix of non-conductive gaps;
a circuit in electrical communication with the magnetic field generating device; and
a power source in electrical communication with the circuit.
2. The system of claim 1 , wherein the distributed gap core has a permeability of greater than 1.
3. The system of claim 1 , wherein the distributed gap core is manufactured by at least one of the following: machining, pressing, molding, gluing, and extruding.
4. The system of claim 1 , wherein the distributed gap core is manufactured by at least one of the following: gluing and attaching individual core structures.
5. The system of claim 1 , wherein the distributed gap is created using a ferromagnetic powder material.
6. The system of claim 1 , wherein the distributed gap core focuses the magnetic field between pole faces of the magnetic device.
7. The system of claim 1 , wherein the distributed gap core has a pole face.
8. The system of claim 7 , wherein the pole face comprises a channel cut into the face of the pole with a shorted turn inserted into the channel and connected together outside of the channel.
9. The system of claim 1 , wherein the distributed gap core comprises a ferromagnetic electrically conductive material.
10. The system of claim 1 , wherein the distributed gap core includes at least one of the following: iron, copper, brass and aluminum.
11. The system of claim 1 , further comprising a conductor in electrical communication with the core.
12. The system of claim 11 , wherein the conductor is wound around a bobbin structure.
13. The system of claim 12 , wherein the bobbin structure is a single bobbin.
14. The system of claim 12 , wherein bobbin structure comprises multiple bobbins.
15. The system of claim 12 , wherein the bobbin structure insulates the wire from the core structure.
16. The system of claim 11 , wherein the conductor is wound around the pole faces of the core.
17. The system of claim 16 , wherein a number of turns of the winding is equal between both poles.
18. The system of claim 11 , wherein the conductor is wound around a central point of the core.
19. The system of claim 11 , wherein the conductor is wound around the pole faces of the core and a central point of the core.
20. The system of claim 19 , wherein a number of turns of the winding around the pole faces is a fraction of the number of turns around the central point of the core.
21. The system of claim 11 , wherein the conductor comprises multiple strands in parallel electrically.
22. The system of claim 11 , wherein the conductor comprises a metal sheet of conductive material.
23. The system of claim 11 , wherein the conductor comprises an extruded magnet wire.
24. The system of claim 1 , further comprising a power source.
25. The system of claim 24 , wherein the power source is an alternating current input voltage in the range of 85 to 264 volts.
26. The system of claim 1 , wherein the distributed gap is created by air.
27. The system of claim 1 , wherein the distributed gap is created by insulative particles.
28. The system of claim 1 , further comprising thermal insulation between the magnetic device and an exterior surface.
29. The system of claim 1 , further comprising a radiation device in contact with the magnetic device for directing heat away from the magnetic device.
30. A device for treating a patient, comprising:
a magnetic core having a distributed gap structure that is adapted for use in connection with repetitive transcranial magnetic stimulation, wherein the distributed gap core structure comprises a matrix of non-conductive gaps; and
a conductor in electrical communication with the core.
31. The device of claim 30 , wherein the core has a permeability of greater than 1.
32. The device of claim 30 , wherein the core is manufactured by at least one of the following: machining, pressing, molding, gluing, and extruding.
33. The device of claim 30 , wherein the core is manufactured by at least one of the following: gluing and attaching individual core structures.
34. The device of claim 30 , wherein the core is created using a ferromagnetic powder material.
35. The device of claim 30 , wherein the core focuses the magnetic field between pole faces of the magnetic device.
36. The device of claim 30 , wherein the core has a pole face.
37. The device of claim 36 , wherein the pole face comprises a channel cut into the face of the pole with a shorted turn inserted into the channel and connected together outside of the channel.
38. The device of claim 30 , wherein the core comprises a ferromagnetic electrically conductive material.
39. The device of claim 30 , wherein the core includes at least one of the following: iron, copper, brass and aluminum.
40. The device of claim 30 , wherein the conductor is wound around a bobbin structure.
41. The device of claim 40 , wherein the bobbin structure is a single bobbin.
42. The device of claim 40 , wherein bobbin structure comprises multiple bobbins.
43. The device of claim 40 , wherein the bobbin structure insulates the conductor from the core structure.
44. The device of claim 30 , wherein the conductor is wound around the pole faces of the core.
45. The device of claim 44 , wherein a number of turns of the winding is equal between both poles.
46. The device of claim 30 , wherein the conductor is wound around a central point of the core.
47. The device of claim 30 , wherein the conductor is wound around the pole faces of the core and a central point of the core.
48. The device of claim 47 , wherein a number of turns of the winding around the pole faces is a fraction of the number of turns around the central point of the core.
49. The device of claim 30 , wherein the conductor comprises multiple strands in parallel electrically.
50. The device of claim 30 , wherein the conductor comprises a metal sheet of conductive material.
51. The device of claim 30 , wherein the conductor comprises an extruded magnet wire.
52. The device of claim 30 , wherein the core has non-linear shape.
53. The device of claim 30 , wherein the gap structure is created by air.
54. The device of claim 30 , wherein the gap structure is created by insulative particles.
55. The device of claim 30 , further comprising thermal insulation between the magnetic core and an exterior surface.
56. The device of claim 30 , further comprising a radiation device in contact with the magnetic core for directing heat away from the magnetic device.