Patient interface for ophthalmologic diagnostic and interventional procedures
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-019/00
A61F-009/009
A61F-009/008
출원번호
US-0279152
(2011-10-21)
등록번호
US-8863749
(2014-10-21)
발명자
/ 주소
Gooding, Philip
Beltran, Christine
Talamo, Jonathan
출원인 / 주소
Optimedica Corporation
대리인 / 주소
Optimedica Corporation
인용정보
피인용 횟수 :
8인용 특허 :
30
초록▼
One embodiment is directed to a method for interfacing an ophthalmic intervention system with an eye of a patient, comprising: placing a patient interface assembly comprising a housing, an optical lens coupled to the housing, and an eye engagement assembly coupled to the housing, the eye engagement
One embodiment is directed to a method for interfacing an ophthalmic intervention system with an eye of a patient, comprising: placing a patient interface assembly comprising a housing, an optical lens coupled to the housing, and an eye engagement assembly coupled to the housing, the eye engagement assembly comprising an inner seal and an outer seal, into contact with the eye of the patient by sealably engaging the eye with the inner and outer seals in a vacuum zone defined between the inner and outer seals; applying a vacuum load between the inner and outer seals to engage the eye using the vacuum load; and physically limiting an amount of distension of the eye in the vacuum zone.
대표청구항▼
1. A method for interfacing an ophthalmic intervention system with an eye of a patient, comprising: a. placing a patient interface assembly comprising a housing, an optical lens coupled to the housing, and an eye engagement assembly coupled to the housing, the eye engagement assembly comprising an i
1. A method for interfacing an ophthalmic intervention system with an eye of a patient, comprising: a. placing a patient interface assembly comprising a housing, an optical lens coupled to the housing, and an eye engagement assembly coupled to the housing, the eye engagement assembly comprising an inner seal and an outer seal, into contact with the eye of the patient by sealably engaging the eye with the inner and outer seals in a vacuum zone defined between the inner and outer seals;b. applying a vacuum load between the inner and outer seals to engage the eye using the vacuum load; andc. physically limiting an amount of distension of the eye in the vacuum zone, wherein physically limiting an amount of distension comprises providing a tissue migration bolster structure configured to be positioned between the inner and outer seals and to apply a resisting load against portions of the eye in the vacuum zone which may distend upon application of the vacuum load. 2. The method of claim 1, wherein placing a patient interface into contact with the eye of the patient comprises electromechanically repositioning the patient interface relative to the eye of the patient. 3. The method of claim 1, wherein placing a patient interface into contact with the eye of the patient comprises electromechanically repositioning a head of the patient relative to the patient interface. 4. The method of claim 3, wherein electromechanically repositioning a head of the patient comprises electromechanically repositioning a headrest adapted to be removably coupled to the head of the patient. 5. The method of claim 1, wherein placing a patient interface into contact with the eye of the patient comprises manually repositioning the patient interface relative to the eye of the patient. 6. The method of claim 1, further comprising monitoring one or more interfacial loads representative of contact loads applied to the eye of the patient by the patient interface assembly. 7. The method of claim 6, wherein monitoring one of more interfacial loads comprises monitoring one or more output signals from one or more load cells operatively coupled to the patient interface. 8. The method of claim 1, wherein the vacuum load is between about 100 mm Hg and about 500 mm Hg. 9. The method of claim 1, further comprising orienting the eye of the patient into a configuration wherein the geometric axis of the eye is substantially aligned with a focal axis of the optical lens of the patient interface assembly. 10. The method of claim 1, further comprising placing the patient in a position wherein he is lying down with the geometric axis of the eye of the patient directed approximately parallel to a gravitational acceleration vector. 11. The method of claim 1, wherein providing a tissue migration bolster structure comprises occupying a majority of a surface area defined between the inner and outer seal with one or more surfaces of the tissue migration bolster structure. 12. The method of claim 1, wherein the inner and outer seals are configured to be substantially spherical when engaged to the eye of the patient. 13. The method of claim 1, wherein the tissue migration bolster structure comprises a spherical surface configured to be interfaced with the eye of the patient. 14. The method of claim 13, wherein the spherical surface of the tissue migration bolster structure has a radius of curvature substantially equivalent to that of the eye. 15. The method of claim 14, wherein in an aggregate, the portions of the inner and outer seals engaged against the eye, along with the spherical surface of the tissue migration bolster structure, form a surface in the aggregate that has a substantially similar curvature profile as the portions of the eye to which the seals and tissue migration bolster structure are engaged. 16. The method of claim 1, further comprising providing one or more ports configured to allow gas to pass between the eye of the patient and a position opposite the tissue migration bolster structure from the eye. 17. The method of claim 16, further comprising minimizing pressure differences in the one or more ports by providing an equalizing volume fluidly connecting the one or more ports on the side of the tissue migration bolster structure opposite from the eye of the patient. 18. The method of claim 16, wherein the ports provided have diameters between about ½ mm and about 2 mm. 19. The method of claim 16, wherein the ports provided are distributed evenly about the circumference of the tissue migration bolster structure. 20. The method of claim 1, further comprising maintaining the vacuum load at an even vacuum pressure.
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