Patient interface for ophthalmologic diagnostic and interventional procedures
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-018/18
A61B-003/14
A61B-003/10
A61F-009/008
A61B-003/00
A61F-009/009
출원번호
US-0727708
(2015-06-01)
등록번호
US-9451880
(2016-09-27)
발명자
/ 주소
Gooding, Phillip
Wiltberger, Michael
Beltran, Christine
Talamo, Jonathan
출원인 / 주소
Optimedica Corporation
대리인 / 주소
Abbott Medical Optics Inc.
인용정보
피인용 횟수 :
0인용 특허 :
39
초록▼
A method for ophthalmic intervention on an eye of a patient includes: imaging a first and a second registration fiducial in reference to temporary geometric markers on the eye of the patient, the registration fiducials being formed on an inner annulus of a patient interface housing within a field of
A method for ophthalmic intervention on an eye of a patient includes: imaging a first and a second registration fiducial in reference to temporary geometric markers on the eye of the patient, the registration fiducials being formed on an inner annulus of a patient interface housing within a field of view of an imaging device; imaging a third registration fiducial formed on the inner annulus of the patient interface housing, the third registration fiducial being angularly spaced from the first and second registration fiducials; and processing image data generated via the image device so as to determine an angular orientation of the eye relative to the patient interface housing and an up or down orientation of the patient interface housing relative to the eye based on the location of the third registration fiducial.
대표청구항▼
1. A method for ophthalmic intervention on an eye of a patient having temporary geometric markers thereon indicative of the orientation of axis of the patient's eye, comprising: a. imaging a first and a second registration fiducial in reference to the temporary geometric markers on the eye of the pa
1. A method for ophthalmic intervention on an eye of a patient having temporary geometric markers thereon indicative of the orientation of axis of the patient's eye, comprising: a. imaging a first and a second registration fiducial in reference to the temporary geometric markers on the eye of the patient, the first and second registration fiducials being formed on an inner annulus of a patient interface housing within a field of view of an imaging device;d. imaging a third registration fiducial formed on the inner annulus of the patient interface housing within the field of view of the imaging device such that it may be imaged by the imaging device, the third registration fiducial being angularly spaced from both the first and second registration fiducials; andc. processing image data generated via the image device for the first, second and third registration fiducials and the temporary geometric markers on the eye of the patient so as to determine an angular orientation of the eye relative to the patient interface housing and an up or down orientation of the patient interface housing relative to the eye based on the location of the third registration fiducial. 2. The method of claim 1, directing a treatment laser beam through a passage of the patient interface housing and into the eye of the patient. 3. The method of claim 2, wherein the treatment laser beam creates a dielectric breakdown within a cataractous crystalline lens of the eye. 4. The method of claim 3, wherein the treatment laser beam is a pulsed treatment beam with a pulse repetition rate between about 1 kHz and about 200 kHz. 5. The method of claim 3, wherein the treatment laser beam has a wavelength between about 800 nm and about 1,100 nm. 6. The method of claim 3, wherein the treatment laser beam is a pulsed treatment beam having a pulse energy between about 1 microjoule and about 1,000 microjoules. 7. The method of claim 3, wherein the treatment laser beam is a pulsed treatment beam with a pulse duration between about 100 femtoseconds and about 10 picoseconds. 8. The method of claim 1, directing an illumination radiation from an illumination source toward the eye of the patient. 9. The method of claim 8, wherein the illumination source is configured to direct at least a portion of the illumination radiation through the passage of the patient interface housing. 10. The method of claim 8, wherein at least a portion of the patient interface housing is translucent to the illumination radiation, and the method further comprising directing at least a portion of the illumination radiation across the translucent portion of the patient interface housing toward the eye of the patient. 11. The method of claim 8, wherein the illumination radiation is infrared radiation. 12. The method of claim 11, wherein the fiducials comprise one or more materials that fluoresce in infrared radiation. 13. The method of claim 11, wherein the fiducials comprise one or more materials that highly contrast in infrared radiation relative to other surrounding materials. 14. The method of claim 11, wherein the fiducials comprise one or more surface irregularities relative to other surrounding surfaces. 15. The method of claim 14, wherein the one or more surface irregularities are selected from the group consisting of: a concave feature, a convex feature, a depressed edge, a depressed step, a projecting edge, a projecting step, and an intersection of lines. 16. The method of claim 8, wherein the illumination radiation is visible light radiation. 17. The method of claim 16, wherein the fiducials comprise one or more materials that highly contrast in visible light radiation relative to other surrounding materials. 18. The method of claim 17, wherein the fiducials comprise one or more surface irregularities relative to other surrounding surfaces. 19. The method of claim 18, wherein the one or more surface irregularities are selected from the group consisting of: a concave feature, a convex feature, a depressed edge, a depressed step, a projecting edge, a projecting step, and an intersection of lines. 20. The method of claim 1, wherein the imaging device comprises an optical coherence tomography system configured to measure the coherence of radiation scattered into an interferometer from the field of view. 21. The method of claim 20, wherein the fiducials comprise one or more surface irregularities relative to other surrounding surfaces. 22. The method of claim 21, wherein the one or more surface irregularities are selected from the group consisting of: a concave feature, a convex feature, a depressed edge, a depressed step, a projecting edge, a projecting step, and an intersection of lines. 23. The method of claim 1, wherein the first, second and third fiducials are positioned on the inner annulus adjacent a distal end of the patient interface housing, the distal end being coupled to one or more seals around a periphery of passage of the patient interface housing configured to be directly engaged with an exterior surface of the eye of the patient. 24. The method of claim 1, wherein the first and second fiducials are positioned at opposite sides of the inner annulus and the third fiducial is positioned at 90 degrees from each of the first and second fiducial.
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