-
公开(公告)号：US06267757B1
公开(公告)日：2001-07-31
申请号：US08942874
申请日：1997-10-02
申请人： Michael Aita , Daniel Burkhoff , Noriyoshi Yamamoto , Miriam H. Taimisto , Kenneth P. Aron , Christopher J. Danek
发明人： Michael Aita , Daniel Burkhoff , Noriyoshi Yamamoto , Miriam H. Taimisto , Kenneth P. Aron , Christopher J. Danek
IPC分类号： A61B1739
CPC分类号： A61B18/1492 , A61B2018/00392 , A61B2018/00738 , A61B2018/00839
摘要： The invention is directed to an intracorporeal device for myocardial revascularization of a patient's heart tissue by at least one burst of RF energy over an interval of about 1 to about 500 msec, preferably about 30 to about 130 msec. The intracorporeal device has an elongated insulated, electrical conducting shaft with an uninsulated distal tip which is configured to emit RF energy. The uninsulated distal tip has a diameter of about 0.025 to about 0.2 inch, preferably about 0.04 to about 0.08 inch and a length of about 0.1 to about 5 mm, preferably about 1.5 to about 3.5 mm.
摘要翻译： 本发明涉及用于在约1至约500毫秒，优选约30至约130毫秒的间隔的至少一个RF能量的突发的患者心脏组织心肌血运重建的体内装置。 体内器件具有细长绝缘的导电轴，其具有未绝缘的远端，其构造成发射RF能量。 未绝缘的远侧末端具有约0.025至约0.2英寸，优选约0.04至约0.08英寸的直径和约0.1至约5mm的长度，优选约1.5至约3.5mm的直径。
-
公开(公告)号：USD381076S
公开(公告)日：1997-07-15
申请号：US38300
申请日：1995-05-02
-
33.发明授权公开(公告)号：US09173698B2
公开(公告)日：2015-11-03
申请号：US13110848
申请日：2011-05-18
CPC分类号： A61B18/1445 , A61B2018/00428 , A61B2018/00607 , A61B2018/00619 , A61B2018/0063 , A61B2018/1455
摘要： Embodiments of the disclosed technology provide systems, devices, and methods of creating an electrosurgical tissue seal that is augmented with a seal-enhancing composition. One embodiment of a device includes a set of opposing electrosurgical jaws configured to be able to close on a targeted tissue-sealing site; the jaws have a reservoir configured to hold a tissue seal-enhancing composition. The reservoir is in communication with a surface of the tissue-sealing site when the jaws are closed on the site, and the electrosurgical device is configured to deliver the tissue seal-enhancing composition to the site during an electrosurgical procedure. The device is further configured to deliver sufficient radiofrequency energy to the site such that the targeted tissue and the tissue seal-enhancing composition at the tissue-sealing site are processed to form a high integrity sealed tissue site.
摘要翻译： 所公开的技术的实施例提供了用密封增强组合物增强的产生电外科组织密封的系统，装置和方法。 装置的一个实施例包括一组相对的电外科钳口，其构造成能够在目标组织密封部位上闭合; 夹爪具有构造成保持组织密封增强组合物的储存器。 当钳口在现场关闭时，储存器与组织密封位置的表面连通，并且电外科设备构造成在电外科手术期间将组织密封增强组合物输送到现场。 该装置还被配置为向该部位输送足够的射频能量，使得组织密封部位处的靶组织和组织密封增强组合物被加工以形成高完整性密封的组织部位。
-
公开(公告)号：US20130116678A1
公开(公告)日：2013-05-09
申请号：US13637533
申请日：2011-03-25
申请人： Tim Koss , Miriam H. Taimisto , Roseanne Varner
发明人： Tim Koss , Miriam H. Taimisto , Roseanne Varner
IPC分类号： A61B18/18
CPC分类号： A61B18/18 , A61B18/1206 , A61B18/1445 , A61B2018/00589 , A61B2018/00595 , A61B2018/0063 , A61B2018/00642 , A61B2018/00678 , A61B2018/00702 , A61B2018/00875
摘要： A method of controlling electrosurgical power delivery is based on a comparison of sensed tissue impedance to various impedance threshold values. Energy is delivered to tissue in a sealing cycle as a series of pulses. A pulse has a profile with a preset energy starting value that increases at a ramping rate to a preset end value. Sensed impedance data are monitored throughout each pulse and compared to each of an impedance threshold value for RF setpoint, an impedance threshold value for cumulative time, and an impedance threshold value for energy cutback. Based on sensed impedance during a pulse, the profile of a subsequent pulse can be modified. In the event of a high impedance event that reflects low tissue presence, energy may be cutback. A sealing cycle is stopped when a cumulative amount of time with an impedance value over the impedance cumulative time threshold value reaches a limit.
摘要翻译： 控制电外科功率输送的方法是基于感测的组织阻抗与各种阻抗阈值的比较。 能量作为一系列脉冲在密封循环中输送到组织。 脉冲具有预设的能量起始值的轮廓，其以升高速率增加到预设的最终值。 在每个脉冲中监测感测的阻抗数据，并与RF设定点的阻抗阈值，累积时间的阻抗阈值和能量限制的阻抗阈值进行比较。 基于脉冲期间的感测阻抗，可以修改后续脉冲的轮廓。 在反映低组织存在的高阻抗事件的情况下，能量可以被削减。 当阻抗值超过阻抗累积时间阈值的累积时间达到极限时，停止密封循环。
-
公开(公告)号：US07972330B2
公开(公告)日：2011-07-05
申请号：US11613415
申请日：2006-12-20
申请人： Jose Alejandro , Mark E. Deem , Erik Engelson , Dominique Filloux , Dan Francis , Hanson Gifford , Kenneth Horne , Uday N. Kumar , William Malecki , Miriam H. Taimisto , Venkata Vegesna
发明人： Jose Alejandro , Mark E. Deem , Erik Engelson , Dominique Filloux , Dan Francis , Hanson Gifford , Kenneth Horne , Uday N. Kumar , William Malecki , Miriam H. Taimisto , Venkata Vegesna
IPC分类号： A61B18/14
CPC分类号： A61B18/1492 , A61B17/2202 , A61B18/02 , A61B18/08 , A61B18/18 , A61B18/20 , A61B2017/00575 , A61B2018/00083 , A61B2018/00214 , A61B2018/00351 , A61B2018/00619 , A61B2018/00797 , A61B2018/00821 , A61B2018/00875 , A61B2018/00898 , A61B2018/1407 , A61B2018/143 , A61B2018/144 , A61B2018/1467 , A61B2090/3782 , A61B2090/3929
摘要： Methods and apparatus for treatment of layered tissue defects such as a patent foramen ovale provide for applying energy to tissues adjacent to the PFO with a closure device that substantially closes the PFO. Apparatus generally includes an elongate flexible member having a proximal end and a distal end and an energy transmission member deployable from the elongate flexible member. The energy transmission member applies energy to the layered tissue defect at a first position and a second position adjacent to the first position so as to substantially close the layered tissue defect along at least a portion of the defect. Applied energy may be monopolar or bipolar radiofrequency energy or any other suitable energy, such as laser, microwave, ultrasound, resistive heating, direct heat energy, cryogenic or the like. PFO closure via energy-based approaches of the invention may help prevent stroke, treat migraine headache, and possibly treat or prevent other medical conditions.
摘要翻译： 用于治疗层状组织缺陷（例如卵孔卵孔专利）的方法和装置提供了使用基本上封闭PFO的闭合装置向PFO附近的组织施加能量。 设备通常包括细长的柔性构件，其具有近端和远端以及能够从细长柔性构件展开的能量传递构件。 能量传递部件在与第一位置相邻的第一位置和第二位置处向层状组织缺损施加能量，以沿着缺损的至少一部分基本上封闭层状组织缺损。 应用能量可以是单极性或双极射频能量或任何其它合适的能量，例如激光，微波，超声波，电阻加热，直接热能，低温等。 通过基于本发明的基于能量的方法的PFO闭合可以有助于预防中风，治疗偏头痛，并且可能治疗或预防其它医疗状况。
-
公开(公告)号：US07519410B2
公开(公告)日：2009-04-14
申请号：US11678511
申请日：2007-02-23
申请人： Miriam H. Taimisto , David E. Haines , Steven Yee , Steven Ha
发明人： Miriam H. Taimisto , David E. Haines , Steven Yee , Steven Ha
CPC分类号： A61B18/1492 , A61B2018/00839
摘要： A medical probe for mapping is provided. The medical probe includes an elongated member, a first mapping ring electrode mounted to the elongated member, and a second mapping ring electrode mounted to the elongated member. The first and second mapping ring electrodes are electrically insulated from each other. The second mapping ring electrode is located substantially concentric to the first mapping ring electrode, and is coaxially surrounding the first mapping ring electrode.
摘要翻译： 提供了用于映射的医疗探针。 医疗探针包括细长构件，安装到细长构件的第一映射环电极和安装到细长构件的第二映射环电极。 第一和第二映射环形电极彼此电绝缘。 第二映射环电极位于与第一映射环电极基本上同心的位置，同轴地围绕第一映射环电极。
-
公开(公告)号：US20080215046A1
公开(公告)日：2008-09-04
申请号：US11858068
申请日：2007-09-19
IPC分类号： A61B18/14
CPC分类号： A61B18/00 , A61B18/1492 , A61B34/25 , A61B2017/00199 , A61B2017/00367 , A61B2018/00916
摘要： A medical device for use by an operator to perform a medical procedure in a body includes a handle to be held by the operator, a shaft attached to the handle and an actuating assembly to control functions associated with the medical procedure. The shaft includes an operative distal portion to perform a medical procedure in the body. The medical device may be part of an ablation catheter system that is programmed to correlate one or more functions with the actuation of the actuating assembly. Multiple actuating assemblies may be provided. Each actuating assembly may be a button. Other types of actuating assemblies may also be used, such as switches or a trackball. The actuating assembly may also be provided on a sleeve that may be selectively attached to the handle of the catheter or the physician operating the catheter, for example.
摘要翻译： 用于操作者在身体中执行医疗程序的医疗装置包括由操作者保持的手柄，附接到手柄的轴和用于控制与医疗程序相关联的功能的致动组件。 轴包括用于在身体中执行医疗程序的可操作远端部分。 医疗装置可以是消融导管系统的一部分，其被编程为将一个或多个功能与致动组件的致动相关联。 可以提供多个致动组件。 每个致动组件可以是按钮。 也可以使用其他类型的致动组件，例如开关或轨迹球。 致动组件也可以设置在例如可选择性地附接到导管的手柄或操作导管的医师的套筒上。
-
公开(公告)号：US06922579B2
公开(公告)日：2005-07-26
申请号：US10318655
申请日：2002-12-12
申请人： Miriam H. Taimisto , David E. Haines , Steven Yee , Steven Ha
发明人： Miriam H. Taimisto , David E. Haines , Steven Yee , Steven Ha
CPC分类号： A61B18/1492 , A61B2018/00839
摘要： A catheter tip for mapping and/or ablation is provided. The medical probe tip includes a first ring electrode and a second ring electrode that is electrically insulated from the first ring electrode. The second ring electrode is located substantially concentric to the first ring electrode, and is coaxially surrounding the first ring electrode.
摘要翻译： 提供用于映射和/或消融的导管尖端。 医疗探针尖端包括与第一环形电极电绝缘的第一环形电极和第二环形电极。 第二环形电极位于与第一环形电极基本上同心的位置，同轴地围绕第一环形电极。
-
公开(公告)号：US06792303B2
公开(公告)日：2004-09-14
申请号：US09854329
申请日：2001-05-11
申请人： Miriam H. Taimisto
发明人： Miriam H. Taimisto
IPC分类号： A61B505
CPC分类号： A61B5/06 , A61B5/062 , A61B2034/2051 , G01R33/0206
摘要： An electromagnetic sensor capable of maintaining its accuracy through temperature cycling is provided. The sensor element material of an electromagnetic sensor is covered by an encapsulant having substantially similar thermal expansion values as the sensor element material. By matching the thermal expansion values of the components, changes in component orientation may be minimized during temperature cycling thus reducing the need for recalibration of the sensor assembly. In one embodiment the encapsulant is doped with a ceramic material or glass microspheres to achieve a thermal expansion coefficient similar to the thermal expansion coefficient of the copper sensor element material.
摘要翻译： 提供能够通过温度循环来保持其精度的电磁传感器。 电磁传感器的传感器元件材料被具有与传感器元件材料基本相似的热膨胀值的密封剂覆盖。 通过匹配组件的热膨胀值，可以在温度循环期间将部件取向的变化最小化，从而减少对传感器组件进行重新校准的需要。 在一个实施例中，密封剂掺杂有陶瓷材料或玻璃微球，以实现类似于铜传感器元件材料的热膨胀系数的热膨胀系数。
-
公开(公告)号：US5833645A
公开(公告)日：1998-11-10
申请号：US850536
申请日：1997-05-02
CPC分类号： A61B8/06 , A61B5/028 , A61B8/12 , A61M25/0023 , A61M25/0029 , A61M25/003 , A61M25/0032
摘要： A catheter with several independent lumens extending longitudinally through the catheter for accepting probes and for introducing fluid through the catheter and into a body cavity is disclosed. The catheter outer body has a cross-sectional maximum outer dimension. The first lumen is circular in cross-section, and has a cross-sectional dimension of approximately half the maximum outer dimension of the catheter body. The first lumen is capable of accepting various probes, as well as allowing simultaneous fluid flow through the lumen. The second lumen is crescent-shaped in cross-section and occupies at least a quarter of an arc around the cross-section of the catheter body. The large cross-section of the second lumen allows for a high fluid flow rate through the lumen. The third lumen allows for inflation of an inflation balloon (when present), and the fourth lumen allows for the passing of a portion of an instrument along the length of the lumen.
摘要翻译： 公开了一种导管，其具有纵向延伸穿过导管以接纳探针并将流体引入导管并引入体腔的几个独立腔。 导管外体具有横截面的最大外部尺寸。 第一腔是横截面为圆形，并且具有大约是导管体的最大外尺寸的一半的横截面尺寸。 第一个腔能够接受各种探针，同时允许液体同时流过内腔。 第二管腔的横截面为月牙形，并且在导管主体的横截面周围占据至少四分之一弧。 第二管腔的大横截面允许通过内腔的高流体流速。 第三管腔允许充气气囊（当存在时）的膨胀，并且第四管腔允许器械的一部分沿着管腔的长度通过。
-
-
-
-
-
-
-
-
-
搜索结果
43 条记录 (耗时 0.038 秒)
