IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0997167
(2001-11-28)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- 20/10 Perfect Vision Optische Geraete GmbH
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
25 인용 특허 :
16 |
초록
▼
A method for creating a corneal flap for use in a corneal reshaping procedure includes the step of creating a periphery for the flap by subsurface photoablation of the cornea using a laser beam. Specifically, tissue located at the interface between layers of stromal lamellae is photoablated to creat
A method for creating a corneal flap for use in a corneal reshaping procedure includes the step of creating a periphery for the flap by subsurface photoablation of the cornea using a laser beam. Specifically, tissue located at the interface between layers of stromal lamellae is photoablated to create the periphery. To accomplish this, the size of the bubbles created during photoablation are monitored using a wavefront detector and the photoablation depth is altered when the bubble size indicates that photoablation is not occurring at an interface. With the periphery established, an incision is made into the cornea extending between the anterior surface of the cornea and the periphery. Next, the corneal tissue bounded by the incision is lifted to mechanically separate the flap from the remainder of the cornea along the interface between layers of lamellae.
대표청구항
▼
A method for creating a corneal flap for use in a corneal reshaping procedure includes the step of creating a periphery for the flap by subsurface photoablation of the cornea using a laser beam. Specifically, tissue located at the interface between layers of stromal lamellae is photoablated to creat
A method for creating a corneal flap for use in a corneal reshaping procedure includes the step of creating a periphery for the flap by subsurface photoablation of the cornea using a laser beam. Specifically, tissue located at the interface between layers of stromal lamellae is photoablated to create the periphery. To accomplish this, the size of the bubbles created during photoablation are monitored using a wavefront detector and the photoablation depth is altered when the bubble size indicates that photoablation is not occurring at an interface. With the periphery established, an incision is made into the cornea extending between the anterior surface of the cornea and the periphery. Next, the corneal tissue bounded by the incision is lifted to mechanically separate the flap from the remainder of the cornea along the interface between layers of lamellae. , 19930100, Gibby et al.; US-RE34365, 19930800, Theeuwes, 604/085; US-5234414, 19930800, Hung, 604/254; US-5242392, 19930900, Vaughn, 604/080; US-5246438, 19930900, Langberg; US-5249585, 19931000, Turner et al.; US-5250028, 19931000, Theeuwes et al., 604/085; US-5269749, 19931200, Koturov; US-5322057, 19940600, Raabe et al.; US-5357948, 19941000, Eilentropp; US-5362310, 19941100, Semm; US-5399171, 19950300, Bowman et al., 604/247; US-5433708, 19950700, Nichols et al.; US-5460628, 19951000, Neuwirth et al.; US-5492529, 19960200, Neuwirth et al.; US-5537996, 19960700, McPhee; US-RE35501, 19970500, Ross et al.; US-5713864, 19980200, Verkaart; US-5713865, 19980200, Manning et al., 604/122; US-5827244, 19981000, Boettger, 604/283; US-5830180, 19981100, Chandler et al., 604/065; US-5954313, 19990900, Ryan, 251/149.1; US-6013060, 20000100, Woodard, 604/246; US-6068617, 20000500, Richmond, 604/255; US-6071262, 20000600, Okamoto et al., 604/082; US-6167883, 20010100, Beran et al., 128/203.17; US-6186977, 20010200, Andrews et al., 604/067; US-6210361, 20010400, Kamen et al., 604/082; US-6464667, 20021000, Kamen et al., 604/131; US-6467953, 20021000, Faries, Jr. et al., 374/162; US-6491679, 20021200, Okamoto et al., 604/410
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