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公开(公告)号：US06896672B1
公开(公告)日：2005-05-24
申请号：US09562650
申请日：2000-05-01
申请人： Andrew R. Eggers , Philip E. Eggers , Ronald A. Underwood , Stephen M. Brunell , Hira V. Thapliyal
发明人： Andrew R. Eggers , Philip E. Eggers , Ronald A. Underwood , Stephen M. Brunell , Hira V. Thapliyal
CPC分类号： A61B18/1482 , A61B18/042 , A61B18/1402 , A61B2018/00029 , A61B2018/00148 , A61B2018/00404 , A61B2018/0047 , A61B2018/00476 , A61B2018/00583 , A61B2018/00601 , A61B2018/00625 , A61B2018/00797 , A61B2018/00815 , A61B2018/00821 , A61B2018/1213 , A61B2018/1467 , A61B2018/1472 , A61B2018/162 , A61B2218/002 , A61B2218/007
摘要： Systems and methods are provided for removing fatty tissue underlying a patient's epidermis (e.g., blepharoplasty, brow lifts, eyelid shortening procedures, and the like). These methods include positioning one or more active electrode(s) and one or more return electrode(s) in close proximity to a target site on an external body surface of the patient. A high frequency voltage difference is applied between the active and return electrode(s), and the active electrode(s) are translated across the external body surface to create an incision therein. The bipolar configuration controls the flow of current to within and around the distal end of the probe, which minimizes tissue necrosis and the conduction of current through unwanted paths in the patient. The residual heat from the electrical energy also provides simultaneous hemostasis of severed blood vessels, which increases visualization and improves recovery time for the patient.
摘要翻译： 提供了用于去除患者表皮下方的脂肪组织的系统和方法（例如，眼睑成形术，眉毛升高，眼睑缩短手术等）。 这些方法包括将一个或多个有源电极和一个或多个返回电极定位成紧邻患者外部身体表面上的目标部位。 在有源和返回电极之间施加高频电压差，并且有源电极跨越外部体表面平移以在其中产生切口。 双极配置控制电流到探头远端内部和周围的流动，其最小化组织坏死和通过患者中不需要的路径的电流传导。 来自电能的剩余热量还提供切断的血管的同时止血，这增加了可视化并且改善了患者的恢复时间。
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公开(公告)号：US06623454B1
公开(公告)日：2003-09-23
申请号：US09360075
申请日：1999-07-23
IPC分类号： A61F712
CPC分类号： A61B18/1492 , A61B18/12 , A61B18/1206 , A61B18/1402 , A61B18/148 , A61B18/1482 , A61B18/1485 , A61B18/149 , A61B2017/00026 , A61B2017/00084 , A61B2017/00097 , A61B2017/00101 , A61B2017/00247 , A61B2017/00292 , A61B2017/003 , A61B2017/22001 , A61B2017/22038 , A61B2018/00029 , A61B2018/0016 , A61B2018/00196 , A61B2018/00392 , A61B2018/00577 , A61B2018/00583 , A61B2018/00601 , A61B2018/00642 , A61B2018/0066 , A61B2018/00678 , A61B2018/00726 , A61B2018/00761 , A61B2018/00791 , A61B2018/00797 , A61B2018/00821 , A61B2018/00827 , A61B2018/00875 , A61B2018/00886 , A61B2018/1213 , A61B2018/124 , A61B2018/126 , A61B2018/1273 , A61B2018/1407 , A61B2018/1467 , A61B2018/1472 , A61B2018/162 , A61B2090/378 , A61B2218/002 , A61B2218/007 , A61F2/2493 , A61M25/0133 , A61M25/0147 , A61M25/0158
摘要： Systems and methods are provided for performing electrosurgical interventions, such as selectively contracting soft collagen tissue and other body structures, while limiting thermal damage or molecular dissociation of such tissue and limiting the thermal damage to tissue adjacent to and underlying the treatment site. The systems and methods of the present invention are particularly useful for surgical procedures in electrically conducting environments, such as arthroscopic procedures in the joints, e.g., shoulder, knee, hip, hand, foot, elbow or the like. The present invention is also useful in relatively dry environments, such as treating and shaping the cornea, and dermatological procedures involving surface tissue contraction of tissue underlying the surface of the skin for tissue rejuvenation, wrinkle removal and the like.
摘要翻译： 提供了用于执行电外科干预的系统和方法，例如选择性收缩软胶原组织和其他身体结构，同时限制这种组织的热损伤或分子解离，并限制与治疗部位相邻和下方的组织的热损伤。 本发明的系统和方法特别适用于导电环境中的外科手术，例如关节的关节镜手术，例如肩部，膝部，髋部，手部，脚部，肘部等。 本发明在相对干燥的环境中也是有用的，例如角膜的治疗和成形，以及涉及皮肤表面下方的组织的表面组织收缩的皮肤病学程序，用于组织复原，皱纹去除等。
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公开(公告)号：US06500173B2
公开(公告)日：2002-12-31
申请号：US09860662
申请日：2001-05-18
IPC分类号： A61B1814
CPC分类号： A61B18/12 , A61B18/1206 , A61B18/14 , A61B18/1402 , A61B18/148 , A61B18/1482 , A61B18/1485 , A61B18/149 , A61B18/1492 , A61B2017/00026 , A61B2017/00084 , A61B2017/00097 , A61B2017/00101 , A61B2017/00247 , A61B2017/00292 , A61B2017/003 , A61B2017/22001 , A61B2017/22038 , A61B2018/00029 , A61B2018/0016 , A61B2018/00196 , A61B2018/00392 , A61B2018/00434 , A61B2018/00577 , A61B2018/00583 , A61B2018/00642 , A61B2018/0066 , A61B2018/00678 , A61B2018/00726 , A61B2018/00761 , A61B2018/00791 , A61B2018/00797 , A61B2018/00821 , A61B2018/00827 , A61B2018/00875 , A61B2018/00886 , A61B2018/1213 , A61B2018/124 , A61B2018/1253 , A61B2018/126 , A61B2018/1273 , A61B2018/1467 , A61B2018/1472 , A61B2018/1497 , A61B2018/162 , A61B2090/378 , A61B2218/002 , A61B2218/007 , A61F2/2493 , A61M25/0133 , A61M25/0147 , A61M25/0158
摘要： The present invention provides systems and methods for selectively applying electrical energy to a target location within of a patient's body, particularly including tissue in the spine. The present invention applies high frequency (RF) electrical energy to one or more electrode terminals in the presence of electrically conductive fluid to remove, contract or otherwise modify the structure of tissue structures. In one aspect of the invention, a method is provided for treating herniated discs within a patient's spine by applying sufficient electrical energy to the disc tissue to reduce a volume of the disc, thereby relieving pressure on a spinal nerve. In one embodiment, the high frequency voltage is sufficient to ablate a portion of the nucleus pulposis, either the extruded portion outside of the annulus or a portion or all of the pulposis within the annulus. In another embodiment, the electrode terminal is advanced into the annulus and sufficient high frequency voltage is applied to contract or shrink the collagen fibers within the nucleus pulposis. This causes the pulposis to shrink and withdraw from its impingement on the spinal nerve.
摘要翻译： 本发明提供了用于选择性地将电能施加到患者体内的目标位置，特别是包括脊柱中的组织的系统和方法。 本发明在存在导电流体的情况下将高频（RF）电能应用于一个或多个电极端子，以去除，收缩或以其它方式改变组织结构的结构。 在本发明的一个方面，提供了一种通过向椎间盘组织施加足够的电能来减轻椎间盘的体积来治疗脊柱神经的压力来治疗患者脊柱内的椎间盘突出的方法。 在一个实施例中，高频电压足以消融髓核的一部分，环形空间之外的挤出部分或瓣环内部的一部分或全部髓介素。 在另一个实施例中，电极端子进入环形空间，施加足够的高频电压以收缩或收缩髓核内的胶原纤维。 这导致骨髓收缩并退出脊髓神经上的冲击。
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公开(公告)号：US06461354B1
公开(公告)日：2002-10-08
申请号：US09313956
申请日：1999-05-18
IPC分类号： A61B1814
CPC分类号： A61B18/12 , A61B18/042 , A61B18/1206 , A61B18/1402 , A61B18/148 , A61B18/1482 , A61B18/1485 , A61B18/149 , A61B2017/00026 , A61B2017/00084 , A61B2017/00097 , A61B2017/00101 , A61B2017/00247 , A61B2017/00292 , A61B2017/003 , A61B2017/22001 , A61B2017/22038 , A61B2018/00029 , A61B2018/00083 , A61B2018/00119 , A61B2018/00148 , A61B2018/0016 , A61B2018/00178 , A61B2018/00196 , A61B2018/00327 , A61B2018/00392 , A61B2018/00404 , A61B2018/0047 , A61B2018/00476 , A61B2018/00505 , A61B2018/00577 , A61B2018/00583 , A61B2018/00601 , A61B2018/00625 , A61B2018/00642 , A61B2018/0066 , A61B2018/00678 , A61B2018/00702 , A61B2018/00726 , A61B2018/00761 , A61B2018/00791 , A61B2018/00797 , A61B2018/00815 , A61B2018/00821 , A61B2018/00827 , A61B2018/00875 , A61B2018/00886 , A61B2018/00982 , A61B2018/1213 , A61B2018/124 , A61B2018/1253 , A61B2018/126 , A61B2018/1273 , A61B2018/1407 , A61B2018/1467 , A61B2018/1472 , A61B2018/162 , A61B2018/165 , A61B2090/378 , A61B2218/002 , A61B2218/007 , A61F2/2493 , A61M3/0283 , A61M25/0133 , A61M25/0147 , A61M25/0158
摘要： Systems and methods are provided for selectively applying electrical energy to a target location on an external body surface, such as skin tissue removal and/or collagen shrinkage in the epidermis or dermis, e.g., the removal of pigmentations, vascular lesions (e.g., leg veins), scars, tattoos, etc., and for other surgical procedures on the skin, such as tissue rejuvenation, cosmetic surgery, wrinkle removal, hair removal and/or transplant procedures. The present invention applies high frequency (RF) electrical energy to one or more electrode terminals adjacent an external body surface, such as the outer surface of the skin, to remove and/or modify the structure of tissue structures within the skin. Depending on the specific cosmetic procedure, the present invention may be used to: (1) volumetrically remove tissue or hair (i.e., ablate or effect molecular dissociation of the tissue structure); (2) separate a tissue layer from an underlying tissue layer so that the tissue layer can be removed; (3) shrink or contract collagen connective tissue; and/or (4) coagulate blood vessels underlying the surface of the skin.
摘要翻译： 提供了系统和方法，用于选择性地将电能施加到外部身体表面上的目标位置，例如表皮或真皮中的皮肤组织去除和/或胶原收缩，例如去除色素沉着，血管损伤（例如，腿静脉 ），疤痕，纹身等，以及用于皮肤上的其它外科手术，例如组织复兴，整容手术，除皱，脱毛和/或移植手术。 本发明将高频（RF）电能应用于邻近皮肤外表面的外部体表之外的一个或多个电极端子，以去除和/或改变皮肤内组织结构的结构。 根据具体的美容方法，本发明可用于：（1）体积去除组织或毛发（即消融或影响组织结构的分子解离）; （2）将组织层与下面的组织层分开，使得可以去除组织层; （3）收缩或收缩胶原结缔组织; 和/或（4）凝固皮肤表面下方的血管。
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65.发明授权Systems and methods for selective electrosurgical treatment of body structures 失效选择性电外科治疗身体结构的系统和方法公开(公告)号：US06355032B1
公开(公告)日：2002-03-12
申请号：US09032375
申请日：1998-02-27
IPC分类号： A61B1812
CPC分类号： A61B18/1402 , A61B18/1206 , A61B18/148 , A61B18/1482 , A61B18/1485 , A61B18/149 , A61B18/1492 , A61B2017/00026 , A61B2017/00084 , A61B2017/00101 , A61B2017/00247 , A61B2018/00029 , A61B2018/00083 , A61B2018/00119 , A61B2018/0016 , A61B2018/00178 , A61B2018/00327 , A61B2018/00392 , A61B2018/00505 , A61B2018/00577 , A61B2018/00583 , A61B2018/00601 , A61B2018/00678 , A61B2018/00702 , A61B2018/00726 , A61B2018/00791 , A61B2018/00827 , A61B2018/00875 , A61B2018/00982 , A61B2018/1213 , A61B2018/124 , A61B2018/1253 , A61B2018/126 , A61B2018/1273 , A61B2018/1407 , A61B2018/1467 , A61B2018/1472 , A61B2018/162 , A61B2018/165 , A61B2218/002 , A61B2218/007 , A61F2/2493 , A61M3/0283
摘要： The present invention provides systems and methods for selectively applying electrical energy to a target location within a patient's. The present invention positions an electrosurgical instrument, such as a probe or catheter, in close proximity to a first body structure adjacent to a second body structure so that one or more electrode terminal(s) are brought into at least partial contact or close proximity with the first and second body structures. High frequency voltage is then applied between the electrode terminal(s) and one or more return electrode(s) to cut, remove, ablate, contract, coagulate, vaporize, desiccate or otherwise modify the first body structure without clinically damaging the second body structure. The first body structure is typically soft tissue, such as sinus, mucosal, spinal, or brain tissue, and the second body structure typically comprises a structure either having different electrical or molecular properties than soft tissue, such as bone, cartilage, adipose tissue, nerves and the like. The present invention provides a method for automatically discriminating between the two body structures such that the soft tissue is removed or otherwise modified, while the second structure (e.g., a nerve) is left relatively unaffected by the procedure.
摘要翻译： 本发明提供了用于选择性地将电能施加到患者体内的目标位置的系统和方法。 本发明将诸如探针或导管的电外科器械定位成邻近第二体结构的第一体结构，使得一个或多个电极端子被进入至少部分接触或紧密接近 第一和第二体结构。 然后在电极端子和一个或多个返回电极之间施加高频电压以切割，去除，消融，收缩，凝结，蒸发，干燥或以其它方式改变第一体结构，而不会临床损伤第二体结构 。 第一身体结构通常是软组织，例如窦，粘膜，脊髓或脑组织，并且第二体结构通常包含与软组织不同的电学或分子性质的结构，例如骨，软骨，脂肪组织， 神经等。 本发明提供一种用于自动区分两个身体结构的方法，使得软组织被去除或以其它方式被修改，而第二结构（例如，神经）相对不受该过程的影响。
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公开(公告)号：US06296636B1
公开(公告)日：2001-10-02
申请号：US09357774
申请日：1999-07-21
IPC分类号： A61B1814
CPC分类号： A61B18/1206 , A61B18/1402 , A61B18/148 , A61B18/1482 , A61B18/1485 , A61B18/149 , A61B18/1492 , A61B2017/00026 , A61B2017/00084 , A61B2017/00101 , A61B2017/00247 , A61B2018/00029 , A61B2018/00083 , A61B2018/00119 , A61B2018/0016 , A61B2018/00178 , A61B2018/00327 , A61B2018/00392 , A61B2018/00505 , A61B2018/00577 , A61B2018/00583 , A61B2018/00666 , A61B2018/00678 , A61B2018/00702 , A61B2018/0072 , A61B2018/00726 , A61B2018/00779 , A61B2018/00791 , A61B2018/00827 , A61B2018/00875 , A61B2018/00982 , A61B2018/1213 , A61B2018/124 , A61B2018/1253 , A61B2018/126 , A61B2018/1273 , A61B2018/1467 , A61B2018/1472 , A61B2018/162 , A61B2018/165 , A61B2218/002 , A61B2218/007 , A61F2/2493 , A61M3/0283
摘要： A high frequency power supply for applying electrical energy to a target site on or within a patient's body includes an electrical output driver, an output current sensor detecting the current output from the driver, and a power limiting device coupled to the current sensor during normal conditions, the power limiting device operates on a continuous basis. When current output exceeds a predetermined threshold level, the power limiting device is adapted to reduce power on the output driver to a standby mode. The power limiting device operates on a periodic detection or duty cycle when in the standby mode. The power limiting device switches into the stand-by mode to prevent excessive power drains. The power supply operates at a low power, pulsatile manner when an attached probe is in conductive or isotonic fluid but is not engaging body tissue or near a high impedance source. In this pulsatile mode, the power supply operates in a cyclical manner, typically at a predetermined duty cycle.
摘要翻译： 用于将电能施加到患者身体上或患者身体内的目标部位的高频电源包括电输出驱动器，检测来自驾驶员的电流输出的输出电流传感器以及在正常条件下耦合到电流传感器的功率限制装置 功率限制装置连续工作。 当电流输出超过预定阈值电平时，功率限制装置适于将输出驱动器的功率降低到待机模式。 当处于待机模式时，功率限制装置工作在周期性检测或占空比。 功率限制器件切换到待机模式，以防止过大的功率消耗。 当连接的探针处于导电或等渗液体中但不接合身体组织或靠近高阻抗源时，电源以低功率，脉动方式工作。 在这种脉动模式中，电源通常以预定的占空比循环运行。
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公开(公告)号：US06190381B1
公开(公告)日：2001-02-20
申请号：US09010382
申请日：1998-01-21
IPC分类号： A61B1814
CPC分类号： A61B18/1206 , A61B18/12 , A61B18/1402 , A61B18/148 , A61B18/1482 , A61B18/1485 , A61B18/149 , A61B18/1492 , A61B2017/00026 , A61B2017/00084 , A61B2017/00097 , A61B2017/00101 , A61B2017/00106 , A61B2017/00247 , A61B2017/00292 , A61B2017/003 , A61B2017/22001 , A61B2017/22038 , A61B2018/00029 , A61B2018/00083 , A61B2018/00119 , A61B2018/0016 , A61B2018/00178 , A61B2018/00196 , A61B2018/00327 , A61B2018/00392 , A61B2018/0047 , A61B2018/00476 , A61B2018/00505 , A61B2018/00577 , A61B2018/00583 , A61B2018/00601 , A61B2018/00642 , A61B2018/0066 , A61B2018/00666 , A61B2018/00678 , A61B2018/00702 , A61B2018/0072 , A61B2018/00726 , A61B2018/00738 , A61B2018/00755 , A61B2018/00761 , A61B2018/00779 , A61B2018/00791 , A61B2018/00797 , A61B2018/00821 , A61B2018/00827 , A61B2018/00875 , A61B2018/00886 , A61B2018/00982 , A61B2018/1213 , A61B2018/124 , A61B2018/1246 , A61B2018/1253 , A61B2018/126 , A61B2018/1273 , A61B2018/1407 , A61B2018/1467 , A61B2018/1472 , A61B2018/162 , A61B2018/165 , A61B2090/378 , A61B2090/3782 , A61B2218/002 , A61B2218/007 , A61F2/2493 , A61F2/95 , A61M3/0283 , A61M25/0133 , A61M25/0147 , A61M25/0158
摘要： The present invention provides systems and methods for selectively applying electrical energy to a target location within or on a patient's body. In particular, methods and apparatus are provided for resecting, cutting, partially ablating, aspirating or otherwise removing tissue from a target site, and ablating the tissue in situ. The systems and methods of the present invention are particularly useful for ablation and hemostasis of tissue in sinus surgery (e.g., chronic sinusitis and/or removal of polypectomies) and for resecting and ablating soft tissue structures, such as the meniscus and synovial tissue within a joint.
摘要翻译： 本发明提供了用于将电能选择性地施加到患者体内或身体上的目标位置的系统和方法。 特别地，提供了用于切除，切割，部分消融，抽吸或以其他方式从目标部位移除组织的方法和装置，以及原位烧蚀组织。 本发明的系统和方法特别适用于鼻窦手术中组织的消融和止血（例如，慢性鼻窦炎和/或多灶性切除术的去除），并且用于切除和消融软组织结构，例如软组织结构内的弯液面和滑液组织 联合。
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公开(公告)号：US06179836B2
公开(公告)日：2001-01-30
申请号：US09181936
申请日：1998-10-28
IPC分类号： A61B1818
CPC分类号： A61B18/1492 , A61B18/12 , A61B18/1206 , A61B18/14 , A61B18/1402 , A61B18/148 , A61B18/1482 , A61B18/1485 , A61B18/149 , A61B2017/00026 , A61B2017/00084 , A61B2017/00097 , A61B2017/00101 , A61B2017/00247 , A61B2017/00292 , A61B2017/003 , A61B2017/22001 , A61B2017/22038 , A61B2018/00029 , A61B2018/00083 , A61B2018/00119 , A61B2018/0016 , A61B2018/00178 , A61B2018/00196 , A61B2018/00327 , A61B2018/00392 , A61B2018/00434 , A61B2018/00505 , A61B2018/00577 , A61B2018/00583 , A61B2018/00642 , A61B2018/0066 , A61B2018/00678 , A61B2018/00702 , A61B2018/00726 , A61B2018/00761 , A61B2018/00791 , A61B2018/00797 , A61B2018/00821 , A61B2018/00827 , A61B2018/00875 , A61B2018/00886 , A61B2018/1213 , A61B2018/124 , A61B2018/1253 , A61B2018/126 , A61B2018/1273 , A61B2018/1467 , A61B2018/1472 , A61B2018/1497 , A61B2018/162 , A61B2018/165 , A61B2090/378 , A61B2218/002 , A61B2218/007 , A61F2/2493 , A61M25/0133 , A61M25/0147 , A61M25/0158
摘要： An electrosurgical ablation probe is provided having a shaft with a proximal end portion and a tongue-shaped distal end portion sized to fit within confined (e.g., narrow) spaces within the patient's body, such as the spaces around the articular cartilage between the femur and tibia and the spaces between adjacent vertebrae in the patient's spine. The probe includes at least one active electrode integral with or coupled to the tongue-shaped distal end portion and a connector on the proximal end portion for coupling the active electrode to an electrosurgical generator. The tongue-shaped distal end portion is substantially planar, and it offers a low profile, to allow access to confined spaces without risking iatrogenic injury to surrounding tissue, such as articular cartilage.
摘要翻译： 提供了一种电外科消融探针，其具有轴，其具有近端部分和舌形的远端部分，其尺寸设计成适合患者体内的限制（例如，狭窄）空间内，例如股骨和股骨之间的关节软骨周围的空间 胫骨和患者脊柱中相邻椎骨之间的间隙。 探针包括与舌状的远端部分成一体或耦合到舌状的远端部分的至少一个有效电极和用于将活性电极耦合到电外科发生器的近端部分上的连接器。 舌形的远端部分基本上是平面的，并且其提供了低的轮廓，以允许进入密闭空间，而不会对围绕组织（例如关节软骨）造成医源性损伤。
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公开(公告)号：US6117109A
公开(公告)日：2000-09-12
申请号：US162117
申请日：1998-09-28
申请人： Andrew R. Eggers , Philip E. Eggers , Ronald A. Underwood , Stephen M. Brunell , Hira V. Thapliyal
发明人： Andrew R. Eggers , Philip E. Eggers , Ronald A. Underwood , Stephen M. Brunell , Hira V. Thapliyal
CPC分类号： A61B18/1402 , A61B18/12 , A61B18/1206 , A61B18/148 , A61B18/1482 , A61B18/1485 , A61B18/149 , A61M25/0133 , A61B18/042 , A61B2017/00026 , A61B2017/00084 , A61B2017/00097 , A61B2017/00101 , A61B2017/00247 , A61B2017/00292 , A61B2017/003 , A61B2017/22001 , A61B2017/22038 , A61B2018/00029 , A61B2018/00083 , A61B2018/00119 , A61B2018/00148 , A61B2018/0016 , A61B2018/00178 , A61B2018/00196 , A61B2018/00327 , A61B2018/00392 , A61B2018/00404 , A61B2018/0047 , A61B2018/00476 , A61B2018/00505 , A61B2018/00577 , A61B2018/00583 , A61B2018/00601 , A61B2018/00625 , A61B2018/00642 , A61B2018/0066 , A61B2018/00678 , A61B2018/00702 , A61B2018/00726 , A61B2018/00761 , A61B2018/00791 , A61B2018/00797 , A61B2018/00815 , A61B2018/00821 , A61B2018/00827 , A61B2018/00875 , A61B2018/00886 , A61B2018/00982 , A61B2018/1213 , A61B2018/124 , A61B2018/1253 , A61B2018/126 , A61B2018/1273 , A61B2018/1407 , A61B2018/1467 , A61B2018/1472 , A61B2018/162 , A61B2018/165 , A61B2090/378 , A61B2218/002 , A61B2218/007 , A61F2/2493 , A61M3/0283
摘要： Systems and methods are provided for removing fatty tissue underlying a patient's epidermis (e.g., blepharoplasty, brow lifts, eyelid shortening procedures, and the like). These methods include positioning one or more active electrode(s) and one or more return electrode(s) in close proximity to a target site on an external body surface of the patient. A high frequency voltage difference is applied between the active and return electrode(s), and the active electrode(s) are translated across the external body surface to create an incision therein. The bipolar configuration controls the flow of current to within and around the distal end of the probe, which minimizes tissue necrosis and the conduction of current through unwanted paths in the patient. The residual heat from the electrical energy also provides simultaneous hemostasis of severed blood vessels, which increases visualization and improves recovery time for the patient.
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70.发明授权
公开(公告)号：US6113597A
公开(公告)日：2000-09-05
申请号：US970242
申请日：1997-11-14
IPC分类号： A61B18/12 , A61B17/00 , A61B17/22 , A61B18/00 , A61B18/14 , A61B19/00 , A61F2/02 , A61F2/06 , A61F2/84 , A61M1/00 , A61M3/02 , A61M25/01 , A61B18/18
CPC分类号： A61B18/1492 , A61B18/12 , A61B18/1206 , A61B18/1402 , A61B18/148 , A61B18/1482 , A61B18/1485 , A61B18/149 , A61F2/2493 , A61M25/0133 , A61B2017/00026 , A61B2017/00084 , A61B2017/00097 , A61B2017/00101 , A61B2017/00106 , A61B2017/00247 , A61B2017/00292 , A61B2017/003 , A61B2017/22001 , A61B2017/22038 , A61B2018/00029 , A61B2018/00083 , A61B2018/00119 , A61B2018/0016 , A61B2018/00178 , A61B2018/00196 , A61B2018/00327 , A61B2018/00392 , A61B2018/00505 , A61B2018/00577 , A61B2018/00583 , A61B2018/00601 , A61B2018/00642 , A61B2018/0066 , A61B2018/00678 , A61B2018/00702 , A61B2018/00726 , A61B2018/00738 , A61B2018/00755 , A61B2018/00761 , A61B2018/00791 , A61B2018/00797 , A61B2018/00821 , A61B2018/00827 , A61B2018/00875 , A61B2018/00886 , A61B2018/00982 , A61B2018/1213 , A61B2018/124 , A61B2018/1246 , A61B2018/1253 , A61B2018/126 , A61B2018/1273 , A61B2018/1407 , A61B2018/1467 , A61B2018/1472 , A61B2018/1497 , A61B2018/162 , A61B2018/165 , A61B2090/378 , A61B2090/3782 , A61B2218/002 , A61B2218/007 , A61F2/95 , A61M25/0147 , A61M25/0158 , A61M3/0283
摘要： Systems and methods are provided for resecting and/or ablating tissue within the urethra, prostate and bladder, such as transurethral resection of the prostate (TURP). A resectoscope includes an active loop electrode and a return electrode oversheath for applying high frequency electrical energy therebetween. Electrically conductive fluid, e.g., isotonic saline, is delivered to the target site to generate a current flow path between the active and return electrodes, and it allows for a new mechanism for ablation or molecular dissociation of tissue. The isotonic saline also eliminates the complications associated with the use of hypotonic (low salt) irrigating solutions.
摘要翻译： 提供系统和方法用于切除和/或消融尿道，前列腺和膀胱内的组织，例如经尿道前列腺切除术（TURP）。 电视镜包括主动环形电极和用于在其间施加高频电能的返回电极。 导电流体，例如等渗盐水被输送到目标位置以在活性和返回电极之间产生电流流动路径，并且其允许用于组织的消融或分子解离的新机制。 等渗盐水也消除了与使用低渗（低盐）冲洗溶液相关的并发症。
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