[특허]Ferrofluidic cooling and acoustical noise reduction in magnetic stimulators

Ferrofluidic cooling and acoustical noise reduction in magnetic stimulators 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-017/52 A61B-005/00 A61N-002/00
출원번호	US-0127226 (2008-05-27)
등록번호	US-8506468 (2013-08-13)
발명자 / 주소	Ghiron, Kenneth Riehl, Mark Edward
출원인 / 주소	Neuronetics, Inc.
대리인 / 주소	Condo Roccia LLP
인용정보	피인용 횟수 : 0 인용 특허 : 74

초록

A ferrofluid chamber has a housing that is adapted to be coupled to a component that generates a magnetic field of sufficient strength to stimulate anatomical tissue. In addition, a ferrofluid is disposed within the housing for cooling the component.

대표청구항 ▼

1. A ferrofluid chamber, comprising: a housing adapted to be coupled to a first component that generates a first pulsing magnetic field of sufficient strength to stimulate anatomical tissue;a ferrofluid disposed within the housing for cooling the first component, wherein the housing facilitates thermal and magnetic convection of the ferrofluid when exposed to the first pulsing magnetic field; and,a second component proximate to the housing for creating a second magnetic field, wherein the ferrofluid experiences magnetic convection when exposed to the second magnetic field. 2. The chamber of claim 1, wherein the housing is disposed around the first component so as to substantially enclose an acoustic noise-producing region of the first component. 3. The chamber of claim 1, wherein the ferrofluid contained within the housing and the first component form a first noise-attenuating interface. 4. The chamber of claim 1, wherein the ferrofluid is resistant to shear sound waves. 5. The chamber of claim 1, further comprising a heat exchanger for cooling the ferrofluid. 6. The chamber of claim 5, wherein the heat exchanger is a heat sink. 7. The chamber of claim 5, wherein the housing is configured to facilitate thermal and magnetic convection of the ferrofluid between the first component and the heat exchanger. 8. The chamber of claim 5, wherein the ferrofluid contained within the housing and the heat exchanger form a second noise-attenuating interface. 9. The chamber of claim 5, wherein the heat exchanger is coupled to the housing. 10. The chamber of claim 1, wherein the first component is a coil. 11. The chamber of claim 10, wherein the coil has a ferromagnetic core. 12. The chamber of claim 10, wherein the coil has an air core. 13. The chamber of claim 1, wherein the first component stimulates human brain tissue in connection with transcranial magnetic stimulation or magnetic seizure therapy. 14. The chamber of claim 1, further comprising a pumping mechanism to cause the ferrofluid to circulate between the first component and a heat exchanger. 15. The chamber of claim 14, wherein the pumping mechanism is a magnetic material for causing circulation of the ferrofluid when in the presence of the magnetic field.

이 특허에 인용된 특허 (74)

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Ferrofluidic cooling and acoustical noise reduction in magnetic stimulators 원문보기

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