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公开(公告)号：US10277001B2
公开(公告)日：2019-04-30
申请号：US14938379
申请日：2015-11-11
Applicant: Fotona d.d.
Inventor： Marko Marincek , Janko Nendl , Matjaz Mocnik , Lukac Matjaz
Abstract: A laser system for medical treatment is disclosed which comprises a pump, wherein the laser system is adapted to be operated in pulsed operation so that at least one laser pulse of a temporally limited pulse duration (Tp) is generated. The generated laser pulse irradiates some part of the human or animal body so that a two-dimensional laser spot S is located on the top layer of the irradiated part of the human or animal body. The pump power of the pump of the laser system is modulated in such a way that the cumulative energy ES(Tp/2) which is delivered by said laser pulse to said laser spot S during the first half of the pulse duration is less than 45% of the energy ES(Tp) which is delivered by said laser pulse to said laser spot S during the entire pulse duration Tp.
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公开(公告)号：US20140376574A1
公开(公告)日：2014-12-25
申请号：US14266847
申请日：2014-05-01
Applicant: Fotona d.d.
Inventor： Dejan Skrabelj , Marko Marincek
IPC: H01S3/115
CPC classification number: H01S3/115 , G02F1/0327 , H01S3/0092 , H01S3/092 , H01S3/10038 , H01S3/107 , H01S3/1611 , H01S3/1643 , H01S2301/02
Abstract: In a method for operating a laser system in a Q-switched mode, the laser system provided with a laser resonator with a laser medium and an electro-optical modulator, wherein the electro-optical modulator has an EOM crystal, wherein the EOM crystal has a characteristic ringing time (t0) when subjected to acoustic ringing, the EOM crystal is driven by modulator voltage pulses (pm) having a modulator voltage pulse duration (tml). A train of at least two subsequent laser pulses (pl) is generated. The modulator voltage pulse duration (tml)is selected to be at least approximately equal to the characteristic ringing time (t0) of the EOM crystal multiplied by an integer factor.
Abstract translation: 在用于以Q开关模式操作激光系统的方法中，激光系统具有激光介质和电光调制器，其中电光调制器具有EOM晶体，其中EOM晶体具有 当受到声响时，特征振铃时间（t0），EOM晶体由具有调制器电压脉冲持续时间（tml）的调制器电压脉冲（pm）驱动。 产生至少两个后续激光脉冲（pl）的列。 调制器电压脉冲持续时间（tml）被选择为至少近似等于EOM晶体的特征振荡时间（t0）乘以整数因子。
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公开(公告)号：US20160149370A1
公开(公告)日：2016-05-26
申请号：US14938379
申请日：2015-11-11
Applicant: Fotona d.d.
Inventor： Marko Marincek , Janko Nendl , Matjaz Mocnik , Lukac Matjaz
CPC classification number: H01S3/0912 , A61B18/203 , A61B18/245 , A61B2017/00159 , A61B2018/00029 , A61B2018/00476 , A61B2018/00577 , A61B2503/40 , A61N5/06 , A61N2005/067
Abstract: A laser system for medical treatment is disclosed which comprises a pump, wherein the laser system is adapted to be operated in pulsed operation so that at least one laser pulse of a temporally limited pulse duration (Tp) is generated. The generated laser pulse irradiates some part of the human or animal body so that a two-dimensional laser spot S is located on the top layer of the irradiated part of the human or animal body. The pump power of the pump of the laser system is modulated in such a way that the cumulative energy ES(Tp/2) which is delivered by said laser pulse to said laser spot S during the first half of the pulse duration is less than 45% of the energy ES(Tp) which is delivered by said laser pulse to said laser spot S during the entire pulse duration Tp.
Abstract translation: 公开了一种用于医疗的激光系统，其包括泵，其中激光系统适于在脉冲操作中操作，使得产生至少一个时间有限的脉冲持续时间（Tp）的激光脉冲。 产生的激光脉冲照射人体或动物体的一部分，使得二维激光斑点S位于人体或动物身体的照射部分的顶层上。 激光系统的泵的泵浦功率被调制成使得在脉冲持续时间的前一半期间由所述激光脉冲传送到所述激光点S的累积能量ES（Tp / 2）小于45 在整个脉冲持续时间Tp期间由所述激光脉冲传送到所述激光点S的能量ES（Tp）的百分比。
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Patent Agency Ranking
公开(公告)号：US20150017599A1
公开(公告)日：2015-01-15
申请号：US14327867
申请日：2014-07-10
Applicant: Fotona d.d.
Inventor： Marko Marincek , Tadej Perhavec , Marko Leskovar , Janez Zabkar
IPC: A61N5/06
CPC classification number: A61N5/0603 , A61C1/0046 , A61N2005/0606 , A61N2005/067
Abstract: A handheld laser device for medical, in particular dental treatment purposes, comprising a handpiece having a handpiece body accommodating a laser and a removable handpiece attachment. The handpiece attachment is slidable over at least a major portion of the handpiece body and the device is adapted such that air and/or water can be supplied from the handpiece body to the handpiece attachment.
Abstract translation: 一种用于医疗，特别是牙科治疗目的的手持式激光装置，包括具有容纳激光器的手持件主体和可拆卸手持件的手持件。 手持件可以在手持件主体的至少大部分上滑动，并且该装置适于使得空气和/或水可以从手持件主体供给到机头附件。
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公开(公告)号：US20130131656A1
公开(公告)日：2013-05-23
申请号：US13744607
申请日：2013-01-18
Applicant: Fotona d.d.
Inventor： Marko Marincek , Matjaz Lukac
IPC: A61B18/20
CPC classification number: A61B18/20 , A61B2017/00154 , A61C1/0046
Abstract: A laser system for hard body tissue ablation has a pumped laser, wherein the laser system is operated in pulsed operation with several individual pulses of a temporally limited pulse length and wherein the individual pulses follow one another with temporal pulse spacing. The pumped laser has an inversion population remaining time, the inversion population remaining time being the time within which, in the absence of pumping, the remaining inversion population of the laser energy status is reduced by 90%. The pulse spacing is in the range from 50 μs, inclusive, to the inversion population remaining time of ≧50 μs. The pulse length is selected to be in a pulse length range of ≧10 μs to ≦120 μs.
Abstract translation: 用于硬体组织消融的激光系统具有泵浦激光器，其中激光系统在脉冲操作中操作，其具有时间有限的脉冲长度的几个单独脉冲，并且其中各个脉冲以时间脉冲间隔彼此相邻。 泵浦激光器具有反转群体剩余时间，反转群体剩余时间是在没有泵浦的情况下，激光能量状态的剩余反转群体减少90％的时间。 脉冲间隔范围为50 mus（包括），反转群体剩余时间> 50 mus。 脉冲长度选择为> = 10 mus至@ 120 mus的脉冲长度范围。
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公开(公告)号：US10559938B2
公开(公告)日：2020-02-11
申请号：US14948454
申请日：2015-11-23
Applicant: Fotona d.d.
Inventor： Marko Marincek , Janko Nendl , Matjaz Mocnik , Lukac Matjaz
Abstract: A Laser system is disclosed which comprises a pump, wherein the laser system is adapted to be operated in pulsed operation so that at least one individual pulse of a temporally limited pulse duration (T0) is generated, wherein the pulse ablates a material such that a debris cloud forms above the ablated material. Further, the pump power of the pump is modulated in such a way that the following three conditions are fulfilled: (1) the intensity of the pulse oscillates between maximum values and minimum values during the pulse duration, wherein the laser pulse comprises a plurality of intensity maxima Imax which occur at times {Ti, i=1, . . . N}; and a plurality of intensity minima Imin which occur at times {tk, k=1, . . . (N−1)}, wherein the intensity does not vanish at the intensity minima; (2) the intensity oscillations of the laser pulse induce oscillations of the size of the debris cloud so that, during the pulse duration (T0), there are at least two maxima of the size of the debris cloud which occur at times {Tj, j=1, . . . M} and which are located in between two intensity maxima of the laser pulse; and (3) at least 70 percent of the maxima of the size of the debris cloud occur near an intensity minimum of the pulse such that, for at least 70 percent of the maxima of the size of the debris cloud, the intensity of the pulse I(Tj) at the time of the maximum of the size of the debris cloud is smaller than Imin(tk)+0.5×[Imax(Ti)−Imin(tk)], wherein Imin(tk) is the intensity minimum of the pulse which is closest to the maximum of the size of the debris cloud at time Tj and Imax(Ti) is the intensity maximum of the pulse which is closest to the maximum of the size of the debris cloud at time Tj.
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公开(公告)号：US20160149372A1
公开(公告)日：2016-05-26
申请号：US14948454
申请日：2015-11-23
Applicant: Fotona d.d.
Inventor： Marko Marincek , Janko Nendl , Matjaz Mocnik , Lukac Matjaz
Abstract: A Laser system is disclosed which comprises a pump, wherein the laser system is adapted to be operated in pulsed operation so that at least one individual pulse of a temporally limited pulse duration (T0) is generated, wherein the pulse ablates a material such that a debris cloud forms above the ablated material. Further, the pump power of the pump is modulated in such a way that the following three conditions are fulfilled: (1) the intensity of the pulse oscillates between maximum values and minimum values during the pulse duration, wherein the laser pulse comprises a plurality of intensity maxima Imax which occur at times {Ti, i=1, . . . N}; and a plurality of intensity minima Imin which occur at times {tk, k=1, . . . (N−1)}, wherein the intensity does not vanish at the intensity minima; (2) the intensity oscillations of the laser pulse induce oscillations of the size of the debris cloud so that, during the pulse duration (T0), there are at least two maxima of the size of the debris cloud which occur at times {tj, J=1, . . . M} and which are located in between two intensity maxima of the laser pulse; and (3) at least 70 percent of the maxima of the size of the debris cloud occur near an intensity minimum of the pulse such that, for at least 70 percent of the maxima of the size of the debris cloud, the intensity of the pulse I(tj) at the time of the maximum of the size of the debris cloud is smaller than Imin(tk)+0.5× [Imax(Ti)−Imin(tk)], wherein Imin(tk) is the intensity minimum of the pulse which is closest to the maximum of the size of the debris cloud at time tj and Imax(Ti) is the intensity maximum of the pulse which is closest to the maximum of the size of the debris cloud at time tj.
Abstract translation: 公开了一种激光系统，其包括泵，其中激光系统适于在脉冲操作中操作，使得产生具有时间上有限的脉冲持续时间（T0）的至少一个单独的脉冲，其中脉冲消融材料，使得 碎片云形成在烧蚀材料之上。 此外，泵的泵功率被调制成满足以下三个条件：（1）脉冲强度在脉冲持续时间期间在最大值和最小值之间振荡，其中激光脉冲包括多个 时间{Ti，i = 1时出现的强度最大值Imax。 。 。 N}; 以及在时间{tk，k = 1，...时出现的多个强度最小值Imin。 。 。 （N-1）}，其中强度不以强度最小值消失; （2）激光脉冲的强度振荡引起碎片云大小的振荡，使得在脉冲持续时间（T0）期间，存在时间{tj， J = 1， 。 。 M}，其位于激光脉冲的两个最大强度之间; 和（3）碎片云大小的最大值的至少70％出现在脉冲的强度最小值附近，使得对于碎片云大小的最大值的至少70％，脉冲的强度 碎片云大小最大时的I（tj）小于Imin（tk）+ 0.5×[Imax（Ti）-Imin（tk）]，其中Imin（tk）是 在时间tj处最接近碎片云大小的最大值的脉冲和Imax（Ti）是在时间tj处最接近碎屑云大小的最大值的脉冲的强度最大值。
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公开(公告)号：US09025625B2
公开(公告)日：2015-05-05
申请号：US14266847
申请日：2014-05-01
Applicant: Fotona d.d.
Inventor： Dejan Skrabelj , Marko Marincek
CPC classification number: H01S3/115 , G02F1/0327 , H01S3/0092 , H01S3/092 , H01S3/10038 , H01S3/107 , H01S3/1611 , H01S3/1643 , H01S2301/02
Abstract: In a method for operating a laser system in a Q-switched mode, the laser system provided with a laser resonator with a laser medium and an electro-optical modulator, wherein the electro-optical modulator has an EOM crystal, wherein the EOM crystal has a characteristic ringing time (t0) when subjected to acoustic ringing, the EOM crystal is driven by modulator voltage pulses (pm) having a modulator voltage pulse duration (tml). A train of at least two subsequent laser pulses (pl) is generated. The modulator voltage pulse duration (tml) is selected to be at least approximately equal to the characteristic ringing time (t0) of the EOM crystal multiplied by an integer factor.
Abstract translation: 在用于以Q开关模式操作激光系统的方法中，激光系统具有激光介质和电光调制器，其中电光调制器具有EOM晶体，其中EOM晶体具有 当受到声响时，特征振铃时间（t0），EOM晶体由具有调制器电压脉冲持续时间（tml）的调制器电压脉冲（pm）驱动。 产生至少两个后续激光脉冲（pl）的列。 调制器电压脉冲持续时间（tml）被选择为至少近似等于EOM晶体的特征振荡时间（t0）乘以整数因子。
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