公开(公告)号：US20230134190A1

公开(公告)日：2023-05-04

申请号：US17951231

申请日：2022-09-23

Applicant: KERANOVA ,  CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE ,  UNIVERSITE JEAN MONNET SAINT ETIENNE

Inventor： Fabrizio ROMANO ,  Aurelien BERNARD ,  Cyril MAUCLAIR ,  Emmanuel BAUBEAU

IPC: A61F9/008

Abstract: The present invention relates to an apparatus for cutting-out including a device for treating a L.A.S.E.R. beam generated by a femtosecond laser (1), and positioned downstream from said femtosecond laser, the treatment device comprising: a shaping system (3) positioned on the trajectory of said beam, for modulating the phase of the wave front of the L.A.S.E.R. beam according to a modulation set value calculated for distributing the energy of the L.A.S.E.R. beam in at least two impact points forming a pattern in its focal plane, an optical focusing system (5) downstream from the shaping system, the optical focusing system comprising a concentrator module for focusing the phase-modulated L.A.S.E.R. beam in a focusing plane and a depth-positioning module for displacing the focusing plane into a plurality of cutting-out planes, a sweeping optical scanner (4) positioned between the concentrator module and the depth-positioning module for displacing the pattern in the cutting-out plane in a plurality of positions.

公开(公告)号：US20190159933A1

公开(公告)日：2019-05-30

申请号：US16091711

申请日：2017-04-06

Applicant: KERANOVA

Inventor： Fabrizio ROMANO ,  Aurelien BERNARD ,  Cyril MAUCLAIR ,  Emmanuel BAUBEAU

IPC: A61F9/008

Abstract: The present invention relates to apparatus for cutting out a human or animal tissue, such as a cornea, or a lens, said apparatus including a treatment device for producing a pattern consisting of at least two impact points in a focusing plane from a L.A.S.E.R. beam generated by a femtosecond laser (1), the treatment device being positioned downstream from said femtosecond laser, remarkable in that the treatment device comprises an optical focusing system (5) for focusing the L.A.S.E.R. beam in a cutting-out plane, and a control unit (6) able to control the displacement of the optical focusing system along an optical path of the L.A.S.E.R. beam for displacing the focusing plane in at least three respective cutting-out planes so as to form a stack of surfaces for cutting out the tissue.

公开(公告)号：US20230404806A1

公开(公告)日：2023-12-21

申请号：US18251197

申请日：2021-10-28

Applicant: KERANOVA

Inventor： Fabrizio ROMANO ,  Cyril MAUCLAIR ,  Emmanuel BAUBEAU

IPC: A61F9/008

CPC classification number: A61F9/0084 ,  A61F2009/0087 ,  A61F2009/00872 ,  A61F2009/00897

Abstract: The invention relates to a cutting apparatus including a femtosecond laser source (10) for emitting a Gaussian laser beam, a shaping system (30) including a spatial modulator of light for modulating the Gaussian laser beam, a sweeping optical scanner (40) for moving the modulated laser beam, an optical focusing system (50) for focusing the modulated laser beam, characterised in that the processing device further comprises a control unit (60) for controlling the femtosecond laser source (10), the shaping system (30), the sweeping optical scanner (40) and the optical focusing system (50), in order to produce: —at least one vertical cutting plane, and —at least one horizontal cutting plane; the spatial light modulator of the shaping system (30) being capable of emulating an axicon for generating a Bessel beam.

公开(公告)号：US20220104970A1

公开(公告)日：2022-04-07

申请号：US17554049

申请日：2021-12-17

Applicant: KERANOVA ,  CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE ,  UNIVERSITE JEAN MONNET SAINT ETIENNE

Inventor： Fabrizio ROMANO ,  Aurelien BERNARD ,  Cyril MAUCLAIR ,  Emmanuel BAUBEAU

IPC: A61F9/008

Abstract: The present invention relates to apparatus for cutting out a human or animal tissue, such as a cornea, or a lens, said apparatus including a treatment device for producing a pattern consisting of at least two impact points in a focusing plane from a L.A.S.E.R. beam generated by a femtosecond laser (1), the treatment device being positioned downstream from said femtosecond laser, remarkable in that the treatment device comprises an optical focusing system (5) for focusing the L.A.S.E.R. beam in a cutting-out plane, and a control unit (6) able to control the displacement of the optical focusing system along an optical path of the L.A.S.E.R. beam for displacing the focusing plane in at least three respective cutting-out planes so as to form a stack of surfaces for cutting out the tissue.

公开(公告)号：US20200030145A1

公开(公告)日：2020-01-30

申请号：US16091881

申请日：2017-04-06

Applicant: KERANOVA

Inventor： Fabrizio ROMANO ,  Aurelien BERNARD ,  Cyril MAUCLAIR ,  Emmanuel BAUBEAU

IPC: A61F9/008

Abstract: The present invention relates to an apparatus for cutting-out including a device for treating a L.A.S.E.R. beam generated by a femtosecond laser (1), and positioned downstream from said femtosecond laser, the treatment device comprising: a shaping system (3) positioned on the trajectory of said beam, for modulating the phase of the wave front of the L.A.S.E.R. beam according to a modulation set value calculated for distributing the energy of the L.A.S.E.R. beam in at least two impact points forming a pattern in its focal plane, an optical focusing system (5) downstream from the shaping system, the optical focusing system comprising a concentrator module for focusing the phase-modulated L.A.S.E.R. beam in a focusing plane and a depth-positioning module for displacing the focusing plane into a plurality of cutting-out planes, a sweeping optical scanner (4) positioned between the concentrator module and the depth-positioning module for displacing the pattern in the cutting-out plane in a plurality of positions.