Method and apparatus for optical stimulation of nerves and other animal tissue
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-019/00
A61N-005/06
출원번호
US-0797544
(2010-06-09)
등록번호
US-8985119
(2015-03-24)
발명자
/ 주소
Webb, James S.
Hamilton, Charles E.
Ralph, Heather A.
Bendett, Mark P.
Lemaire, Charles A.
출원인 / 주소
Lockheed Martin Corporation
대리인 / 주소
Lemaire, Charles A.
인용정보
피인용 횟수 :
1인용 특허 :
153
초록▼
A nerve-stimulation device and method using light to provide a source of precise stimulation on one or more nerve fibers. In some embodiments, this simulation is provided through a device and method wherein a laser- or LED-light-generating source is operatively coupled to an optical fiber, which in
A nerve-stimulation device and method using light to provide a source of precise stimulation on one or more nerve fibers. In some embodiments, this simulation is provided through a device and method wherein a laser- or LED-light-generating source is operatively coupled to an optical fiber, which in turn is coupled to a plug in the end of a holder in a sheath. Light is then passed from the light source through the optical fiber to the holder and out a selected optical tip on the sheath to provide an efficacious amount of light to simulate nerves. In some embodiments, the device is constructed from non-magnetic material such as glass, plastic or ceramics. In some embodiments, the light emanating from the optical tip can be controlled manually or automatically. Some embodiments omit the fiber and use light directly from the laser diode.
대표청구항▼
1. A method comprising: obtaining, from a first solid-state laser, a first laser beam having a first wavelength that is capable of directly optically stimulating an action potential in a neural tissue of an animal;transmitting the first laser beam in an optical-fiber structure, wherein the first sol
1. A method comprising: obtaining, from a first solid-state laser, a first laser beam having a first wavelength that is capable of directly optically stimulating an action potential in a neural tissue of an animal;transmitting the first laser beam in an optical-fiber structure, wherein the first solid-state laser is a laser diode, and wherein the first laser diode and the optical-fiber structure are operatively coupled to a non-magnetic surgical-instrument handpiece;applying the first laser beam from the optical-fiber structure onto a location on the tissue for stimulation of the tissue;obtaining manual user input and when the input is received and based on the user input, controlling the first laser beam to start a series of one or more optical pulses to stimulate an action potential in the neural tissue;obtaining a second high-power laser beam from a second solid-state laser operatively coupled to the surgical-instrument handpiece; andperforming a cutting operation at the tissue location using the second high-power laser beam. 2. The method of claim 1, wherein the first laser beam has an infra-red (IR) wavelength. 3. The method of claim 1, further comprising: covering at least a portion of the handpiece with a replaceable sterile cover. 4. The method of claim 1, wherein the obtaining user input includes coupling a control mechanism to a laser controller controlling the first solid-state laser's diode in order to control a function of the controller, and wherein the control mechanism is configured to be operated in conjunction with the handpiece. 5. The method of claim 4, wherein the control mechanism is mounted on the handpiece. 6. The method of claim 1, wherein the obtaining user input includes coupling a user-operated control mechanism to a laser controller to control a function of the controller, and wherein the control mechanism is separate from the handpiece and is configured to be operated such that operation of the control mechanism is independent of movement of the handpiece. 7. The method of claim 1, wherein the obtaining of the user input includes receiving an activation signal from a finger-operated trigger. 8. The method of claim 1, wherein the first laser diode and the optical-fiber structure form part of an elongated endo scope structure having an image-obtaining end configured to be inserted into a small opening in a subject to enable viewing of an interior tissue of the subject, and wherein light of the first wavelength has a first tissue-penetration profile. 9. The method of claim 1, wherein the first laser diode and the optical-fiber structure form part of an elongated endoscope structure having an image-obtaining end configured to be inserted into a small opening in a subject to enable viewing of an interior tissue of the subject, wherein light of the first wavelength has a first tissue-penetration profile, wherein the endoscope structure further comprises an implantable optical fiber, and wherein the method further comprises: implanting and releasing the optical fiber in the subject. 10. The method of claim 1, wherein the obtaining of user input further includes obtaining user input that specifies a user-specified spatial extent of a surgical operation, and wherein the applying of the first laser beam results in a spatial pattern at the tissue location based on the obtained user-specified spatial extent. 11. The method of claim 10, wherein the obtaining user input further includes coupling a control mechanism to a laser controller controlling the first laser diode in order to control a function of the controller, wherein the control mechanism is mounted on the handpiece. 12. The method of claim 10, further comprising: coupling a user-operated control mechanism to a laser controller to control a function of the controller, wherein the control mechanism is separate from the handpiece and is configured to be operated such that operation of the control mechanism is independent of movement of the handpiece. 13. A method comprising: obtaining, from a first solid-state laser, a first laser beam having a first wavelength that is capable of directly optically stimulating an action potential in a neural tissue of an animal, wherein the first laser beam has an infra-red (IR) wavelength;transmitting the first laser beam in an optical-fiber structure;applying the first laser beam from the optical-fiber structure onto a location on the tissue for stimulation of the tissue;obtaining user input and based on the user input, controlling the first laser beam to stimulate an action potential in the neural tissue;obtaining a second laser beam having a second wavelength that is capable of directly stimulating neural tissue, wherein the second wavelength is different than the first wavelength and has a different penetration depth into a given tissue;transmitting the second laser beam in the optical-fiber structure;applying light at the first wavelength to achieve a first tissue-penetration depth; andapplying light at the second wavelength to achieve a second tissue-penetration depth. 14. A method comprising: obtaining, from a first solid-state laser, a first laser beam having a first wavelength that is capable of directly optically stimulating an action potential in a neural tissue of an animal, wherein the first laser beam has an infra-red (IR) wavelength;transmitting the first laser beam in an optical-fiber structure;applying the first laser beam from the optical-fiber structure onto a location on the tissue for stimulation of the tissue;obtaining user input and based on the user input, controlling the first laser beam to stimulate an action potential in the neural tissue;obtaining a second laser beam having a second wavelength that is capable of directly stimulating neural tissue, wherein the second wavelength is different than the first wavelength and has a different penetration depth into a given tissue;transmitting the second laser beam in the optical-fiber structure; andapplying variable amounts of the first and second different wavelengths simultaneously to achieve a tissue-penetration depth that is variable based on the intensities of the first and second wavelengths of light. 15. A method comprising: obtaining, from a first solid-state laser, a first laser beam having a first wavelength that is capable of directly optically stimulating an action potential in a neural tissue of an animal, wherein the first laser beam has an infra-red (IR) wavelength;transmitting the first laser beam in an optical-fiber structure;applying the first laser beam from the optical-fiber structure onto a location on the tissue for stimulation of the tissue;obtaining manual user input and when the input is received and based on the user input, controlling the first laser beam to start a series of one or more optical pulses to stimulate an action potential in the neural tissue;obtaining a second light beam having a visible-light wavelength;transmitting the second light beam in the optical-fiber structure; andimaging the second light beam from the optical-fiber structure as an indication of where the first laser beam is directed. 16. The method of claim 15, further comprising: providing a light-delivery unit for directing the first laser beam to the tissue location, wherein the light-delivery unit includes a frame configured to be affixed to the subject, and a moveable light-delivery head connected to the frame; andpositioning the light-delivery head to deliver light to one of a plurality of locations on the subject. 17. The method of claim 15, further comprising: providing a second laser that is a solid-state laser;emitting a high-power second laser beam from the second solid-state laser; andobtaining second user input and based on the second user input, cutting tissue at the tissue location using the high-power second laser beam. 18. The method of claim 15, wherein the first solid-state laser is a laser-diode bar. 19. The method of claim 15, further comprising providing a handpiece for manually directing the first laser beam to the tissue location, wherein the obtaining user input includes coupling a control mechanism to a laser controller controlling the first solid-state laser's diode in order to control a function of the controller, and wherein the control mechanism is configured to be operated in conjunction with the handpiece. 20. The method of claim 15, further comprising providing a handpiece for manually directing the first laser beam to the tissue location, wherein the obtaining user input includes coupling a user-operated control mechanism to a laser controller to control a function of the controller, and wherein the control mechanism is separate from the handpiece and is configured to be operated such that operation of the control mechanism is independent of movement of the handpiece. 21. A method comprising: obtaining, from a first solid-state laser, a first laser beam having a first wavelength that is capable of directly optically stimulating an action potential in a neural tissue of an animal;transmitting the first laser beam in an optical-fiber structure;applying the first laser beam from the optical-fiber structure onto a location on the tissue for stimulation of the tissue;obtaining manual user input and when the input is received and based on the user input, controlling the first laser beam to start a series of one or more optical pulses to stimulate an action potential in the neural tissue, wherein the obtaining of user input further includes obtaining user input that specifies a user-specified spatial extent of a surgical operation, and wherein the applying of the first laser beam results in a spatial pattern at the tissue location based on the obtained user-specified spatial extent;providing a light-delivery unit for directing the first laser beam to the tissue location, wherein the light-delivery unit includes a frame configured to be affixed to the subject, and a moveable light-delivery head connected to the frame; andpositioning the light-delivery head to deliver light to one of a plurality of locations on the subject.
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