IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0986141
(2001-11-07)
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발명자
/ 주소 |
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출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
22 인용 특허 :
20 |
초록
▼
A method of correcting the refractive error in the cornea of an eye. The cornea is heated, to loosen the molecules therein, thereby softening the cornea into a gelatinous material. The gelatinous material is then reshaped, so that it substantially conforms to a predetermined pattern, and cooled to m
A method of correcting the refractive error in the cornea of an eye. The cornea is heated, to loosen the molecules therein, thereby softening the cornea into a gelatinous material. The gelatinous material is then reshaped, so that it substantially conforms to a predetermined pattern, and cooled to maintain it in the predetermined pattern. This results in modification of the cornea without a gray to white response in the cornea and corneal tissue shrinkage.
대표청구항
▼
1. A method of correcting the refractive error in the cornea of an eye, comprising the steps ofpositioning a reshaping device having a predetermined first surface adjacent an exposed internal corneal surface, so that the reshaping device overlies a portion of the exposed internal corneal surface,hea
1. A method of correcting the refractive error in the cornea of an eye, comprising the steps ofpositioning a reshaping device having a predetermined first surface adjacent an exposed internal corneal surface, so that the reshaping device overlies a portion of the exposed internal corneal surface,heating the reshaping device using a liquid with a predetermined temperature, which in turn heats the cornea to soften the portion of the exposed internal corneal surface that the reshaping device overlies,administering the liquid through an irrigation port in the reshaping device, andreshaping the softened portion of the exposed internal corneal surface, so that the exposed internal corneal surface substantially conforms to the predetermined first surface of the reshaping device.2. A method according to claim 1, further comprising the steps ofmonitoring the temperature of the reshaping device using at least one thermocouple; andmaintaining the temperature of the reshaping device at a substantially uniform temperature.3. A method according to claim 1, wherein the positioning step is preceded by the steps of:separating a portion of the cornea to form a flap; andmoving the flap to expose an internal corneal surface;and the positioning step includes positioning the reshaping device adjacent the internal corneal surface;and further comprising the step ofrepositioning the flap, so that it overlies the exposed internal corneal surface.4. A method according to claim 1, wherein the positioning step is preceded by the steps of:separating a portion of the cornea to form a flap; andmoving the flap to expose an internal corneal surface;and further comprising the steps ofremoving the reshaping device, andrepositioning the flap, so that it overlies the exposed internal corneal surface.5. A method according to claim 1, whereinthe positioning step includes positioning a reshaping device configured to correct myopia.6. A method according to claim 1, whereinthe positioning step includes positioning an reshaping device configured to correct hyperopia.7. A method according to claim 1, further comprising the step ofremoving the liquid through an aspiration port in the reshaping device.8. A method of correcting the refractive error in the cornea of an eye, comprising the steps ofseparating a portion of the cornea to form first and second internal surfaces,moving the first surface away from the second surface,positioning a reshaping device having a predetermined first surface adjacent the second internal surface, so that the reshaping device overlies a portion of the cornea,heating the reshaping device using a liquid with a predetermined temperature, which in turn heats the cornea to soften the portion of the cornea that the reshaping device overlies,administering the liquid through an irrigation port in the reshaping device, andreshaping the softened portion of the cornea, so that the cornea substantially conforms to the predetermined first surface of the reshaping device.9. A method according to claim 8, further comprising the steps ofmonitoring the temperature of the reshaping device using at least one thermocouple; andmaintaining the temperature of the reshaping device at a substantially uniform temperature.10. A method according to claim 8, whereinthe heating step includes heating the reshaping device so that the heat is distributed substantially uniformly through the reshaping device.11. A method according to claim 8, further comprising the steps ofremoving the reshaping device, andrepositioning the first surface, so that it overlies the second surface.12. A method according to claim 8, whereinthe positioning step includes positioning a reshaping device configured to correct myopia.13. A method according to claim 8, whereinthe positioning step includes positioning an reshaping device configured to correct hyperopia.14. A method according to claim 8, further comprising the step ofremoving the liquid through an aspiration port in the reshaping device.
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