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公开(公告)号：US5409376A
公开(公告)日：1995-04-25
申请号：US29233
申请日：1993-03-10
Applicant: Quentin M. Murphy
Inventor： Quentin M. Murphy
CPC classification number: A61C1/0046 , A61C17/20 , B23K26/0624 , A61B18/201 , A61B18/22 , A61B2017/00146 , A61B2017/00194 , A61B2017/00973 , A61B2018/00011 , Y10S408/701
Abstract: Apparatus and process of laser assisted drilling includes structure and method for receiving laser energy and projecting it onto an object to produce structural changes within the object. Structure and method are also provided for mechanically abrading the structurally perturbed portions of the object. By combining laser and mechanical energy, drilling is quickly and accurately performed.
Abstract translation: 激光辅助钻孔的装置和过程包括用于接收激光能量并将其投影到物体上以在物体内产生结构变化的结构和方法。 还提供了用于机械研磨物体的结构扰动部分的结构和方法。 通过组合激光和机械能，快速准确地进行钻孔。
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公开(公告)号：US5342352A
公开(公告)日：1994-08-30
申请号：US43274
申请日：1993-04-06
Applicant: Peter A. Franken , Alan E. Hill
Inventor： Peter A. Franken , Alan E. Hill
CPC classification number: A61B18/203 , A61B18/201 , A61B2017/00154 , A61B2017/00761 , A61B2017/00973 , A61B2018/00452 , A61B2218/006
Abstract: A technique is disclosed for wound debridement in which a pulsed CO.sub.2 laser beam is caused to impinge upon exposed tissue with individual pulses sufficiently energetic to ablate a thin layer of tissue. Each pulse has a time duration short enough to cause ablation but long enough so that it does not cause atmospheric breakdown. The CO.sub.2 laser, with a wavelength in the far infrared region, is operated to produce a pulsed beam with individual pulses having an energy of about one joule per pulse or greater. The beam is focused to produce a beam diameter with a fluence of approximately ten joules per square centimeter at the tissue to be ablated and with a pulse repetition rate of approximately one hundred pulses per second and a pulse duration between one microsecond and ten microseconds. In operation, the ablation of eschar is achieved over a relatively wide range of angles of incidence without need for change of the beam parameters.
Abstract translation: 公开了一种用于伤口清创术的技术，其中使脉冲CO 2激光束以足够能量的单个脉冲撞击暴露的组织以消融薄层组织。 每个脉冲具有足够短的时间以引起消融但足够长以使其不引起大气击穿。 在远红外区域中具有波长的CO 2激光器被操作以产生具有每脉冲大约1焦耳的能量的单个脉冲的脉冲光束。 束被聚焦以在要消融的组织处产生具有大约十焦耳/平方厘米的注量的光束直径，并且具有每秒大约一百个脉冲的脉冲重复率和在一微秒与十微秒之间的脉冲持续时间。 在操作中，焦灼的消融在相对宽的入射角范围内实现，而不需要改变光束参数。
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公开(公告)号：US5321715A
公开(公告)日：1994-06-14
申请号：US57125
申请日：1993-05-04
Applicant: David Trost
Inventor： David Trost
CPC classification number: A61B18/24 , A61B18/201 , A61B2017/00154 , A61B2017/00176
Abstract: A pulse format for a laser system is disclosed for maximizing the energy delivered to a target immersed in an absorbing liquid. A first pulse is generated having an energy sufficient to initiate the formation of a vapor bubble in the liquid medium adjacent the end of the delivery device. A second, high energy pulse is generated after the vapor bubble initiated by the first pulse has expanded an amount sufficient to displace the liquid between the delivery device and the target. In this manner, the second pulse is delivered directly to the target and little energy is lost to the liquid medium.
Abstract translation: 公开了一种激光系统的脉冲格式，用于最大限度地提供传递到浸在吸收液体中的目标物质的能量。 产生第一脉冲，其具有足以在邻近输送装置末端的液体介质中开始形成蒸气泡的能量。 在由第一脉冲启动的蒸汽气泡膨胀足以使输送装置和靶之间的液体移位的量之后，产生第二高能量脉冲。 以这种方式，第二脉冲被直接输送到靶，并且很少的能量损失到液体介质。
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公开(公告)号：US5312398A
公开(公告)日：1994-05-17
申请号：US867895
申请日：1992-04-13
Applicant: James L. Hobart , David Trost
Inventor： James L. Hobart , David Trost
CPC classification number: A61B18/201 , G02B19/0023 , G02B19/0033 , G02B19/009
Abstract: A beam delivery apparatus, including a set of focusing mirrors (or transmissive lenses) mounted along an endoscope channel. A laser beam can be focused into an input end of the channel with a smaller F number (wider cone angle) than is possible in a conventional endoscope. As the beam propagates down the channel, it is reflected (or transmitted) a finite number of times by the focusing elements. The focusing elements act as a periscope to focus and refocus the beam as it propagates along the channel, with little loss of beam power. The invention enables delivery of the beam to the channel's distal end with a smaller F number than can be achieved using a conventional endoscope. In a preferred embodiment, a pair of reflecting strips are mounted the channel, the surface of each strip defines six focusing mirrors, and the beam undergoes a total of twelve reflections from the mirrors as it propagates down the channel. Preferably, the surface of each mirror has a curvature selected to prevent the introduction of astigmatic distortion during each beam reflection.
Abstract translation: 一种束输送装置，包括沿着内窥镜通道安装的一组聚焦镜（或透射透镜）。 激光束可以以比传统内窥镜中可能的更小的F数（更宽的锥角）聚焦到通道的输入端。 随着光束向下传播，它被聚焦元件反射（或传输）有限次数。 聚焦元件用作潜望镜，以便当光束沿着通道传播时聚焦和重新聚焦光束，光束功率损失很小。 本发明使得能够以比使用常规内窥镜可以实现的更小的F数将束传送到通道的远端。 在优选实施例中，一对反射条安装在通道上，每个条的表面限定六个聚焦反射镜，并且当光束沿着通道向下传播时，该光束经过总共十二次反射。 优选地，每个反射镜的表面具有选择的曲率，以防止在每个光束反射期间引入散光变形。
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公开(公告)号：US5304167A
公开(公告)日：1994-04-19
申请号：US917589
申请日：1992-07-17
Applicant: Robert J. Freiberg
Inventor： Robert J. Freiberg
CPC classification number: A61B18/24 , A61B17/11 , A61B17/24 , A61B18/201 , A61B2017/00508 , A61B2017/00973 , A61B2018/00017 , A61B2018/2025 , A61B2018/2075
Abstract: A medical system for transmitting and delivering to a tissue site multiwavelength therapeutic radiant energy along a common optical pathway. Also included is a laser catheter suitable for engaging multiple sources of laser energy and transmitting multiwavelength therapeutic laser energy along a common optical path for delivery to a worksite.
Abstract translation: 一种医疗系统，用于沿着共同光学路径传送和传送到组织部位多波长治疗辐射能。 还包括适合于接合多个激光能源并且沿着公共光路传输多波长治疗激光能量以用于输送到工地的激光导管。
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Patent Agency Ranking
公开(公告)号：US5207671A
公开(公告)日：1993-05-04
申请号：US679421
申请日：1991-04-02
Applicant: Peter A. Franken , Alan E. Hill
Inventor： Peter A. Franken , Alan E. Hill
CPC classification number: A61B18/203 , A61B18/201 , A61B2017/00154 , A61B2017/00761 , A61B2017/00973 , A61B2018/00452 , A61B2218/006
Abstract: A technique is disclosed for wound debridement in which a pulsed CO.sub.2 laser beam is caused to impinge upon exposed tissue with individual pulses sufficiently energetic to ablate a thin layer of tissue. Each pulse has a time duration short enough to avoid deleterious heat penetration but long enough so that it does not cause atmospheric breakdown. The CO.sub.2 laser, with a wavelength in the far infrared region, is operated to produce a pulsed beam with individual pulses having an energy of about one joule per pulse or greater. The beam is focused to produce a beam diameter with a fluence of approximately ten joules per square centimeter at the tissue to be ablated and with a pulse repetition rate of approximately one hundred pulses per second and a pulse duration between one microsecond and ten microseconds.
Abstract translation: 公开了一种用于伤口清创术的技术，其中使脉冲CO 2激光束以足够能量的单个脉冲撞击暴露的组织以消融薄层组织。 每个脉冲具有足够短的时间以避免有害的热穿透，但足够长的时间，使得其不会引起大气击穿。 在远红外区域中具有波长的CO 2激光器被操作以产生具有每脉冲大约1焦耳的能量的单个脉冲的脉冲光束。 束被聚焦以在要消融的组织处产生具有大约十焦耳/平方厘米的注量的光束直径，并且具有每秒大约一百个脉冲的脉冲重复率和在一微秒与十微秒之间的脉冲持续时间。
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157.发明授权
公开(公告)号：US5163936A
公开(公告)日：1992-11-17
申请号：US643279
申请日：1991-01-22
Applicant: Michael Black , Vladimir Kupershmidt
Inventor： Michael Black , Vladimir Kupershmidt
IPC: A61B18/20
CPC classification number: A61B18/201
Abstract: An endoscopic mirror laser beam delivery system, e.g., for laser surgery, comprises a beam splitting module (22) for optical connection to a laser beam source (14) which supplies a low-power aiming beam (12) and a high-power surgical beam (10) to the splitting module (22); a two-mirror focusing unit (24) optically connected to the splitting unit (22); and an endoscopic tube (20) for guiding the beams focused by the focusing unit (24) to a target point (P). The system also comprises a method for checking alignment of the optical system by observing the positions of two visible beam spots. In case of misalignment, these two spots do not coincide in a single point, thereby indicating misalignment which can be then corrected. The system and the method eliminate central obscuration and misalignment of the laser beams on an operation site, thereby enabling a surgeon to be able to be confident that the surgeon beam will impinge precisely upon the spot delineated by the aiming beam.
Abstract translation: 用于激光手术的内窥镜镜激光束传送系统包括用于光学连接到激光束源（14）的分束模块（22），激光束源（14）提供低功率瞄准光束（12）和大功率手术 光束（10）到分束模块（22）; 光学连接到分离单元（22）的双镜像聚焦单元（24）; 以及用于将由聚焦单元（24）聚焦的束引导到目标点（P）的内窥镜管（20）。 该系统还包括通过观察两个可视光束点的位置来检查光学系统的对准的方法。 在未对准的情况下，这两个点在单个点处不一致，从而指示可以被校正的未对准。 该系统和方法消除了操作现场上的激光束的中心遮蔽和不对准，从而使外科医生能够确信外科医生光束将精确地撞击在由瞄准光束描绘的光点上。
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公开(公告)号：US5150373A
公开(公告)日：1992-09-22
申请号：US668026
申请日：1991-03-12
Applicant: Achim Kolb , Manfred Baier , Klaus Muller
Inventor： Achim Kolb , Manfred Baier , Klaus Muller
CPC classification number: A61B1/12 , A61B18/201 , A61B2018/00017
Abstract: The hollow guide is designed as a thin ceramic hollow tube which is guided in an outer tube while leaving a hollow space between the outer tube and the ceramic hollow tube, the outer tube being provided at its proximal end with a connecting part having a gas connection and receiving a focusing optical system. The ceramic hollow tube is guided in the outer tube through at least one mounting part arranged at the proximal end and at least one mounting part at the distal end, which in each case is supported locally with respect to the inner wall of the outer tube. The mounting parts are thus arranged so that free flow cross-sections to conduct the rinsing gas remain in the region of support, these being matched with the internal inner cross-section of the ceramic hollow tube, so that gas flow flowing past the ceramic hollow tube is produced both on the outside and on the inside. The gas flow effects cooling of the ceramic hollow tube on the one hand and prevents impurities penetrating the distal end of the ceramic hollow tube on the other hand.
Abstract translation: 空心导轨设计为薄陶瓷中空管，其在外管中被引导，同时在外管和陶瓷中空管之间留下中空空间，外管在其近端处设置有具有气体连接的连接部 并接收聚焦光学系统。 陶瓷中空管通过布置在近端的至少一个安装部分和在远端的至少一个安装部分在外管中被引导，每个安装部分在每个壳体中相对于外管的内壁局部地被支撑。 因此，安装部件被布置成使得漂洗气体的自由流动截面保持在支撑区域中，这些与陶瓷中空管的内部内部横截面相匹配，使得流过陶瓷中空部的气流 管是在外部和内部产生的。 气体流动一方面影响陶瓷中空管的冷却，另一方面防止杂质渗透到陶瓷中空管的远端。
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公开(公告)号：US5125923A
公开(公告)日：1992-06-30
申请号：US707710
申请日：1991-05-30
Applicant: Howard Tanner , James L. Sorenson
Inventor： Howard Tanner , James L. Sorenson
CPC classification number: A61B18/201 , A61B2017/00442
Abstract: A laser surgical instrument is embodied as a handpiece supportable on the wrist and forearm of a surgeon. The handpiece is connected by an umbilical cord to a remote console. An internal shutter mechanism is actuated by steady finger pressure applied by the surgeon at a fixture grasped by the hand during use. An annular aiming beam is projected through an aperture in a physical distance gauge to focus concentric with the surgical laser beam.
Abstract translation: 激光手术器械被实施为可以在外科医生的手腕和前臂上支撑的手持件。 手机通过脐带连接到远程控制台。 内部快门机构由使用中由手握持的固定器上的外科医生施加的稳定的手指压力致动。 环形瞄准光束通过物理距离计的孔径投影，以与外科激光束同心地聚焦。
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160.发明授权
公开(公告)号：US4658817A
公开(公告)日：1987-04-21
申请号：US718069
申请日：1985-04-01
Applicant: Roger I. Hardy
Inventor： Roger I. Hardy
CPC classification number: A61B18/201 , A61B18/245 , A61B2017/00247 , A61B2018/00392 , A61B2090/036
Abstract: A surgical carbon dioxide laser is disclosed which includes a handpiece for directing a laser beam to a desired location. Mounted on the forward end of the handpiece is a hollow needle precisely aligned along the laser path. This permits the laser to be used in surgical applications where the needle perforates a porton of tissue to provide the laser beam direct access to distal tissue. The needle is mounted to the handpiece in a manner which provides for forward and lateral adjustment of the needle relative to the laser beam path which insures co-axiality between the laser beam and the needle lumen. This is crucial for the safe use of the laser. The needle is adjusted such that the focal point of the laser beam is approximately at the tip of the needle. This provides maximum energy at the tip of the needle where it is required. This apparatus is particularly useful in transmyocardial devices utilized to provide ischemic endocardial tissue direct access to blood within the ventricular cavity. The device is inserted within the epicardium of the heart; the laser is then activated to vaporize a channel of tissue through the endocardium. This provides for perforation of the endocardium with minimal damage to the epicardium.
Abstract translation: 公开了一种外科二氧化碳激光器，其包括用于将激光束引导到期望位置的手持件。 安装在手持件的前端上的是沿着激光路径精确对准的中空针头。 这允许激光被用于外科应用，其中针穿孔组织的端口以提供激光束直接进入远端组织。 针以提供相对于激光束路径的针的前向和横向调节的方式安装到手持件上，其确保激光束和针内腔之间的同轴度。 这对于激光的安全使用至关重要。 调整针，使得激光束的焦点大致位于针的尖端。 这在需要的针的尖端处提供最大的能量。 该装置在用于提供缺血性心内膜组织直接进入心室内的血液的心肌内装置中特别有用。 该装置插入心脏的心外膜; 然后激活激光以通过心内膜蒸发组织通道。 这提供了对心外膜的穿孔，对心外膜的损伤最小。
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