KR100692993B1 - 2개의 편축된 카메라를 구비한 안구 추적 장치 - Google Patents
2개의 편축된 카메라를 구비한 안구 추적 장치 Download PDFInfo
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- KR100692993B1 KR100692993B1 KR1020027004464A KR20027004464A KR100692993B1 KR 100692993 B1 KR100692993 B1 KR 100692993B1 KR 1020027004464 A KR1020027004464 A KR 1020027004464A KR 20027004464 A KR20027004464 A KR 20027004464A KR 100692993 B1 KR100692993 B1 KR 100692993B1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/113—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining or recording eye movement
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/008—Methods or devices for eye surgery using laser
- A61F9/00802—Methods or devices for eye surgery using laser for photoablation
- A61F9/00804—Refractive treatments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/008—Methods or devices for eye surgery using laser
- A61F2009/00844—Feedback systems
- A61F2009/00846—Eyetracking
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/008—Methods or devices for eye surgery using laser
- A61F2009/00861—Methods or devices for eye surgery using laser adapted for treatment at a particular location
- A61F2009/00872—Cornea
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/008—Methods or devices for eye surgery using laser
- A61F2009/00897—Scanning mechanisms or algorithms
Abstract
Description
μ: 추적 장치 오프 | μ: 추적 장치 온 | |
95% CI 에러 | 1.2 ㎛ | 0.60 ㎛ |
백분율 에러 | 3.1% | 1.5% |
Claims (16)
- 환자의 시력에 원하는 변화를 달성하도록 안구의 각막 조직을 절삭하는 각막 조직 절삭 장치로서,에너지 스트림을 각막 조직을 향해 선택적으로 지향시키는 에너지 전송 시스템과,안구를 향해 배향된 제1 및 제2 영상 포착 장치와,에너지 전송 시스템이 제1 영상 포착 장치에 의해 감지된 안구의 운동에 응답하여 에너지 스트림을 제1축을 따라 측방향으로 편향시키고 제2 영상 포착 장치에 의해 감지된 안구의 운동에 응답하여 에너지 스트림을 제2축을 따라 측방향으로 편향시키도록 제1 및 제2 영상 포착 장치를 에너지 전송 시스템에 연결시키는 프로세서를 구비하는 각막 조직 절삭 장치.
- 제1항에 있어서, 상기 에너지 스트림은 치료축을 규정하며, 안구는 제1 및 제2 영상 포착 장치의 제1 및 제2 시야 내에 각각 배치되고, 시야는 치료축으로부터 소정 각도로 편향되는 것인 각막 조직 절삭 장치.
- 제2항에 있어서, 상기 제2 시야는 치료축에 대해 제1 시야로부터 원주 방향으로 편향되는 것인 각막 조직 절삭 장치.
- 제3항에 있어서, 상기 제2 시야는 치료축에 대해 제1 시야로부터 약 90도 만큼 원주 방향으로 편향되는 것인 각막 조직 절삭 장치.
- 제3항에 있어서, 안구는 안구의 광축을 따르는 Z축, 제1축을 따르는 X-Z 평면 및 제2축을 따르는 Y-Z 평면이 있는 X-Y-Z 좌표 시스템을 규정하고, 제1 영상 포착 장치는 Y-Z 평면을 따르고 X-Z 평면을 벗어나도록 배치되며, 제2 영상 포착 장치는 X-Y 평면을 따르고 Y-Z 평면을 벗어나도록 배치되는 것인 각막 조직 절삭 장치.
- 제5항에 있어서, 상기 프로세서는 제1 및 제2 영상 포착 장치에 의해 감지된 제1 및 제2 시야 내의 안구의 특징점의 측방향 위치에 응답하여 에너지 전송 시스템과 안구의 특징점 사이의 거리를 지시하는 신호를 발생시키는 것인 각막 조직 절삭 장치.
- 제1항에 있어서, 에너지 스트림을 발생시키는 레이저를 더 구비하며, 상기 에너지 스트림은 각막 조직을 절제하도록 된 레이저 빔을 포함하는 것인 각막 조직 절삭 장치.
- 제7항에 있어서, 상기 에너지 전송 시스템은 레이저 빔의 광로를 따라 하나 이상의 편향된 촬상 렌즈를 구비하며, 상기 촬상 렌즈는 제1 및 제2 영상 포착 장치로부터의 신호에 응답하여 레이저 빔에 대해 측방향으로 이동하는 것인 각막 조직 절삭 장치.
- 제1항에 있어서, 안구를 향해 배향된 적외선 광원을 더 구비하며, 각 영상 포착 장치는 안구의 홍채와 공막에 의해 반사된 적외선에 민감한 CCD를 구비하고, 프로세서는 제1 및 제2 영상 포착 장치와 각각 관련된 제1 및 제2 추적 장치 모듈을 구비하며, 상기 제1 및 제2 추적 장치 모듈은 반사된 적외선으로부터 안구의 동공 중심 위치를 결정하는 것인 각막 조직 절삭 장치.
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Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15857699P | 1999-10-07 | 1999-10-07 | |
US60/158,576 | 1999-10-07 | ||
US09/545,240 | 2000-04-07 | ||
US09/545,240 US6322216B1 (en) | 1999-10-07 | 2000-04-07 | Two camera off-axis eye tracker for laser eye surgery |
Publications (2)
Publication Number | Publication Date |
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KR20020070262A KR20020070262A (ko) | 2002-09-05 |
KR100692993B1 true KR100692993B1 (ko) | 2007-03-12 |
Family
ID=26855167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020027004464A KR100692993B1 (ko) | 1999-10-07 | 2000-10-05 | 2개의 편축된 카메라를 구비한 안구 추적 장치 |
Country Status (11)
Country | Link |
---|---|
US (1) | US6322216B1 (ko) |
EP (1) | EP1223847B1 (ko) |
JP (1) | JP4610829B2 (ko) |
KR (1) | KR100692993B1 (ko) |
CN (1) | CN1188078C (ko) |
AT (1) | ATE422324T1 (ko) |
AU (1) | AU7871700A (ko) |
CA (1) | CA2386789C (ko) |
DE (1) | DE60041547D1 (ko) |
MX (1) | MXPA02003488A (ko) |
WO (1) | WO2001024688A1 (ko) |
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2000
- 2000-04-07 US US09/545,240 patent/US6322216B1/en not_active Expired - Lifetime
- 2000-10-05 AT AT00968859T patent/ATE422324T1/de not_active IP Right Cessation
- 2000-10-05 JP JP2001527692A patent/JP4610829B2/ja not_active Expired - Lifetime
- 2000-10-05 KR KR1020027004464A patent/KR100692993B1/ko active IP Right Grant
- 2000-10-05 CA CA002386789A patent/CA2386789C/en not_active Expired - Lifetime
- 2000-10-05 CN CNB008156026A patent/CN1188078C/zh not_active Expired - Lifetime
- 2000-10-05 DE DE60041547T patent/DE60041547D1/de not_active Expired - Lifetime
- 2000-10-05 EP EP00968859A patent/EP1223847B1/en not_active Expired - Lifetime
- 2000-10-05 MX MXPA02003488A patent/MXPA02003488A/es active IP Right Grant
- 2000-10-05 AU AU78717/00A patent/AU7871700A/en not_active Abandoned
- 2000-10-05 WO PCT/US2000/027762 patent/WO2001024688A1/en active Application Filing
Also Published As
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CN1188078C (zh) | 2005-02-09 |
KR20020070262A (ko) | 2002-09-05 |
AU7871700A (en) | 2001-05-10 |
CA2386789A1 (en) | 2001-04-12 |
DE60041547D1 (de) | 2009-03-26 |
WO2001024688A1 (en) | 2001-04-12 |
JP4610829B2 (ja) | 2011-01-12 |
CA2386789C (en) | 2009-01-27 |
EP1223847B1 (en) | 2009-02-11 |
EP1223847A4 (en) | 2006-11-15 |
US6322216B1 (en) | 2001-11-27 |
ATE422324T1 (de) | 2009-02-15 |
EP1223847A1 (en) | 2002-07-24 |
CN1390106A (zh) | 2003-01-08 |
MXPA02003488A (es) | 2002-09-02 |
JP2003517354A (ja) | 2003-05-27 |
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