TRANSCRANIAL MAGNETIC STIMULATION SYSTEM

• US 20170291037A1
• Filed: 08/31/2015
• Published: 10/12/2017
• Est. Priority Date: 10/07/2014
• Status: Active Application

• Current Assignee: Teijin Pharma Limited (Teijin Limited)
• Original Assignee: Teijin Pharma Limited (Teijin Limited)
• Inventors: TAMIYA, Rei, SHIMURA, Hideharu, MATSUI, Jun
• Application Number:
  US15/516,975
• Publication Number:
  US 20170291037A1
• Time in Patent Office: Days
• CPC Class Codes: A61N 1/0526 Head electrodes A61N1/0551 takes precedence
• CPC Class Codes: A61N 1/0529 Electrodes for brain stimulation
• CPC Class Codes: A61N 2/00 Magnetotherapy
• 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

Abstract

The purpose of the invention is to provide a transcranial magnetic stimulation system capable of being readily set into an optimum position for treatment. The system 1 of the invention includes a support mechanism 30 configured to support a patient, a first mechanism 200 configured to move the coil in a left and right direction of the patient about a first axis 220 extending in a back and forth direction of the patient relative to a head of patient supported by the support mechanism, and a second mechanism 300 configured to move the coil in the back and forth direction about a second axis 320 extending in the left and right direction relative to the head of the patient.

Claims

1. A transcranial magnetic stimulation system for magnetically stimulating a patient'"'"'s brain using a coil (22), comprising:

a support mechanism (30) configured to support the patient;

a first mechanism (200) configured to move the coil (22) in a left and right direction about a first axis (220) extending in a back and forth direction, relative to a head of the patient supported by the support mechanism (30); and

a second mechanism (300) supported by the first mechanism (200) and configured to move the coil (22) in the back and forth direction about a second axis (320) extending in the left and right direction, relative to the head of the patient supported by the support mechanism (30).

2. The transcranial magnetic stimulation system of claim 1, wherein

the first mechanism (200) moves the coil (22) in the left and right direction about the first axis (220) along a first imaginary curved surface, and

the second mechanism (300) moves the coil (22) in the back and forth direction about the second axis (320) along a second imaginary curved surface.

3. The transcranial magnetic stimulation system of claim 1, further comprising a third mechanism (400) configured to rotate the coil (22) about a third axis (90) extending radially from a point which is located on the second axis (320) and at or closest to an intersection between the first axis (220) and the second axis (320).

4. The transcranial magnetic stimulation system of claim 1, wherein the first axis (220) orthogonally crosses the second axis (320).

5. The transcranial magnetic stimulation system of claim 1, wherein the third axis (90) crosses the first axis (220) and the second axis (320).

6. The transcranial magnetic stimulation system of claim 1, further comprising a fourth mechanism (400) for moving the coil (22) along the third axis (90).

7. The transcranial magnetic stimulation system of claim 1, further comprising

an indicator (218) configured to indicate a position of the coil (22) about the first axis (220);

and

an indicator (315, 316) configured to indicate a position of the coil (22) about the second axis (320).

8. The transcranial magnetic stimulation system of claim 7, further comprising an indicator (405, 406) configured to indicate a position of the coil (22) about the third axis (90).

9. The transcranial magnetic stimulation system of claim 6, further comprising an indicator (423) configured to indicate a position of the coil (22) along the third axis (90).

10. The transcranial magnetic stimulation system of claim 1, wherein the first mechanism (200) includes a mechanism (214) configured to reduce load acting on a left and right pivot movement of the coil (22) about the second axis (320).

11. The transcranial magnetic stimulation system of claim 1, further comprising a fifth mechanism (100) configured to move the first mechanism (200) in a direction along a median line of the patient supported by the support mechanism (30).

12. The transcranial magnetic stimulation system of claim 11, wherein the fifth mechanism (100) includes

a guide (101) oriented in a direction along the median line of the patient;

a first carriage (102) and a second carriage (103) supported for movement along the guide (101), the first carriage and the second carriages being configured to be capable of being coupled to each other and separable from each other; and

a moving mechanism (104) configured to move the first carriage (102) in the direction along the medial line of the patient,

wherein the coil (22) is supported by the second carriage (103).

13. The transcranial magnetic stimulation system of claim 12, further comprising a position indicating mechanism (111) configured to indicate a position of the coil (22) relative to the patient.

14. The transcranial magnetic stimulation system of claim 11, wherein the fifth mechanism (100) includes a mechanism (130) configured to reduce load acting on a movement of the second carriage (103).

15. The transcranial magnetic stimulation system of claim 12, wherein

the first carriage (102) is positioned below the second carriage (103);

and

the second carriage (103) is configured to be separated from the first carriage (102) and move together with the coil (22) along the guide in a direction away from the first carriage (102).

16. The transcranial magnetic stimulation system of claim 1, further comprising

a headrest (601) configured to support the head of the patient supported on the support mechanism (30);

and

a mechanism (610, 611) configured to adjust a position of the headrest (601) in the front and rear direction and in an up and down direction, relative to the patient'"'"'s head supported on the headrest (601).

17. The transcranial magnetic stimulation system of claim 1, further comprising

indicators (625, 626) configured to indicate a position in the back and forth direction and a position in an up and down direction of the headrest (601) relative to the patient'"'"'s head.

18. The transcranial magnetic stimulation system of claim 1, further comprising a casing (21) configured to accommodate the coil (22), wherein

the casing (21) includes a surface (23) which will be in contact with the head of the patient, and

the surface (23) is configured to cooperate with the headrest (601) to support the head of the patient supported by the support mechanism (30).

19. The transcranial magnetic stimulation system of claim 1, further comprising a positioning mechanism (500) configured to use a marking (800) applied to the patient and position the coil (22) relative to the patient'"'"'s head.