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公开(公告)号：US5151100A
公开(公告)日：1992-09-29
申请号：US547931
申请日：1990-07-03
CPC分类号： A61B18/08 , A61B18/082 , A61F7/123 , A61B17/22 , A61B2017/00084 , A61B2017/00088 , A61B2017/00132 , A61B2017/00274 , A61B2017/22062 , A61B2018/0022 , A61B2018/00547 , A61B2018/00559 , A61B2018/00577 , A61B2018/00791 , A61B2018/044 , A61M2205/366 , A61M25/10
摘要： A catheter device and method for heating tissue, the device having a catheter shaft constructed for insertion into a patient's body, and at least one chamber mounted on the catheter shaft. The catheter shaft has at least one lumen for fluid flow through the shaft. The chambers are defined by walls that are at least in part expandable. Fluid flows, through the lumens, between the chambers and a fluid source outside the body. The chambers can be filled with the fluid after they have been placed within the body. A heating device heats liquid within at least one of the chambers, so that heat is transmitted from the liquid to surrounding tissue by thermal conduction through the wall of the chamber. Means are provided for selectively directing heat transmission toward a selected portion of surrounding tissue. The chambers are fillable with fluid separately from each other, so that the chambers can occupy any of a plurality of possible total volumes. By selecting the total volume of chambers, compression of the tissue can be controlled, and hence the effectiveness of transfer of heat to the tissue can be controlled. According to the method, the catheter device is used to heat tissue from within a duct in a patient's body. The chambers are inserted into the duct and filled with fluid. Liquid is heated within at least one of the chambers, and heat is selectively directed toward a selected portion of surrounding tissue.
摘要翻译： 一种用于加热组织的导管装置和方法，该装置具有构造成用于插入患者体内的导管轴以及安装在导管轴上的至少一个室。 导管轴具有至少一个流体，用于流过轴的流体。 这些室由至少部分可膨胀的壁限定。 流体在腔室之间流过腔室，在体外流过流体源。 在将腔体放置在体内之后，腔室可以填充流体。 加热装置加热至少一个室内的液体，使得热量通过室内壁的热传导从液体传递到周围组织。 提供了用于选择性地将热传递方向导向周围组织的选定部分的装置。 这些室可以彼此分开地填充流体，使得室可以占据多个可能的总体积中的任何一个。 通过选择室的总体积，可以控制组织的压缩，因此可以控制热传递到组织的有效性。 根据该方法，导管装置用于从患者体内的管道内加热组织。 这些室被插入管道并充满流体。 在至少一个室内加热液体，并且热量选择性地朝向周围组织的选定部分。
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公开(公告)号：US07182763B2
公开(公告)日：2007-02-27
申请号：US10995648
申请日：2004-11-23
申请人： Paul C. Nardella
发明人： Paul C. Nardella
IPC分类号： A61B18/14
CPC分类号： A61B17/068 , A61B17/0057 , A61B17/0644 , A61B18/14 , A61B2017/00637 , A61B2017/00668 , A61B2017/0641 , A61B2017/2913 , A61B2017/292 , A61B2018/0063
摘要： Disclosed is a wound closure device and method for using the same. The wound closure device includes a handle, a body portion extending distally from the handle, a stapling mechanism extending distally from the body portion and a mechanism for supplying electrical energy from an RF power supply to a fastener (e.g. staple) which is associated with the stapling mechanism. In a representative embodiment, the stapling mechanism includes an inner rod member disposed within an elongated outer sleeve and slidably movable therein. The rod member has an enlarged tip for deploying the fastener that is supported adjacent to the tip into body tissue. The wound closure device further includes an actuator mechanism associated with the handle and body portion and configured to facilitate relative movement of the inner rod and the outer sleeve so as to deploy the fastener into body tissue. In alternative embodiments, a second pole of the RF power supply is connected to a conductive ring associated with a vascular introducer.
摘要翻译： 公开了一种伤口闭合装置及其使用方法。 伤口闭合装置包括手柄，从手柄向远侧延伸的主体部分，从主体部分向远侧延伸的缝合机构和用于将电能从RF电源供应到紧固件（例如钉）的机构， 装订机制。 在代表性的实施例中，装订机构包括设置在细长的外套筒内并可滑动地移动的内杆件。 杆构件具有用于将紧固件展开的增大的末端，所述紧固件邻近尖端被支撑到身体组织中。 伤口闭合装置还包括与手柄和主体部分相关联的致动器机构，并且构造成促进内杆和外套筒的相对运动，以将紧固件展开到身体组织中。 在替代实施例中，RF电源的第二极连接到与血管导引器相关联的导电环。
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公开(公告)号：US5658279A
公开(公告)日：1997-08-19
申请号：US408555
申请日：1995-03-21
CPC分类号： A61B18/1487 , A61B17/3476 , A61B18/1402 , A61B2018/00702 , A61B2018/00875 , A61B2018/1425
摘要： The invention provides an electrosurgical tissue penetrating probe (e.g., a trocar) for use with surgical procedures such as a laproscopy. The trocar has a stylet disposed within the housing member, having an active electrode disposed on a distal end thereof to deliver electrosurgical energy to the target tissue in contact with the stylet. A return electrode is disposed on the housing member to form part of a return electrical path to the delivery electrosurgical energy. The invention also provides an electrosurgical trocar system having an impedance monitor and associated power regulating circuitry to control the amount of electrosurgical energy delivered to tissue so that the measured tissue impedance is maintained within a preselected range.
摘要翻译： 本发明提供了一种用于外科手术如腹腔镜检查的电外科组织穿透探针（例如套管针）。 套针针具有设置在壳体构件内的探针，其具有设置在其远端上的活动电极，以将电外科能量传递到与探针接触的目标组织。 返回电极设置在壳体构件上，以形成输送电外科能量的返回电路的一部分。 本发明还提供了一种电外科套管针系统，其具有阻抗监测器和相关联的功率调节电路，用于控制传递给组织的电外科能量，使得所测量的组织阻抗保持在预选范围内。
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公开(公告)号：US5335668A
公开(公告)日：1994-08-09
申请号：US56364
申请日：1993-04-30
申请人： Paul C. Nardella
发明人： Paul C. Nardella
CPC分类号： A61B5/0538 , A61B5/0535
摘要： A diagnostic impedance measuring system having an elongate tissue-penetrating probe member with a plurality of axially spaced reference electrodes disposed about a distal portion of the probe. The reference electrodes measure the impedance of the biological tissue adjacent each electrode. A first comparator element compares the measured impedance of at least a first and a second of the reference electrodes, and the comparator generates a first signal indicative of the impedance difference between the two electrodes. A second comparator element compares the measured impedance between either the first or second electrode and one additional electrode, and generates a second signal indicative of the impedance difference between the two electrodes. A third comparator element compares the first and second signals and generates a third signal indicative of the impedance difference between the two signals. The third signal communicates with a signal evaluation element that determines the relative position of the probe within a patient's body.
摘要翻译： 一种诊断阻抗测量系统，具有细长的组织穿透探针部件，所述细长组织穿透探针部件围绕探针的远端部分设置有多个轴向间隔的参考电极。 参考电极测量邻近每个电极的生物组织的阻抗。 第一比较器元件比较至少第一和第二参考电极的测量阻抗，并且比较器产生指示两个电极之间的阻抗差的第一信号。 第二比较器元件比较第一或第二电极与一个附加电极之间的测量阻抗，并产生指示两个电极之间的阻抗差的第二信号。 第三比较器元件比较第一和第二信号，并产生指示两个信号之间的阻抗差的第三信号。 第三信号与确定探针在患者体内的相对位置的信号评估元件通信。
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公开(公告)号：US5944022A
公开(公告)日：1999-08-31
申请号：US847684
申请日：1997-04-28
IPC分类号： A61B19/00 , A61B5/053 , A61B5/06 , A61B17/32 , A61B18/12 , A61B18/14 , A61M25/00 , A61M25/01 , A61M25/095
CPC分类号： A61B5/063 , A61B18/1492 , A61B5/0536 , A61B2034/2053
摘要： A system for detecting the position of a catheter in a patient includes three sets of reference electrodes, with one set disposed on each of the mutually orthogonal X, Y and Z axes. A signal processor measures the differential voltage indicative of impedance between a detection electrode disposed on the catheter and each electrode of each of the three sets of reference electrodes in order to determine the X coordinate, Y coordinate and Z coordinate of the catheter. The detected position of the catheter is recorded and the detection of subsequent catheter positions is performed relative to the recorded catheter position. The difference between subsequent catheter positions and the recorded position relative to the X, Y and Z axes is displayed in order to facilitate re-positioning of the catheter at the recorded position. Optional EKG and/or respiratory sensors may be used to synchronize the catheter position detection in order to reduce detection inaccuracies due to EKG and/or respiratory artifacts.
摘要翻译： 用于检测患者中导管位置的系统包括三组参考电极，其中一组设置在每个相互正交的X，Y和Z轴上。 信号处理器测量指示布置在导管上的检测电极与三组参考电极中的每一组的每个电极之间的阻抗的差分电压，以便确定导管的X坐标，Y坐标和Z坐标。 记录导管的检测位置，并相对于记录的导管位置执行随后导管位置的检测。 显示后续导管位置与相对于X，Y和Z轴的记录位置之间的差异，以便于将导管重新定位在记录位置。 可以使用可选的EKG和/或呼吸传感器来同步导管位置检测，以减少由于EKG和/或呼吸伪影引起的检测不准确性。
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公开(公告)号：US5437662A
公开(公告)日：1995-08-01
申请号：US197959
申请日：1994-02-17
申请人： Paul C. Nardella
发明人： Paul C. Nardella
CPC分类号： A61B18/1477 , A61B18/1206 , A61B18/1482 , A61B18/1402 , A61B2017/00084 , A61B2018/00011 , A61B2018/00196 , A61B2018/1425 , A61B2018/1435 , A61M3/0279
摘要： An electrosurgical probe is disclosed which provides the ability to both cut and cauterize tissue. The probe includes at least one cauterization electrode mounted upon a distal portion of the electrode and adapted to deliver electrosurgical energy to tissue. Further, a central lumen is disposed within the probe. The lumen is adapted to accommodate the flow of fluid from a remote source to tissue through an outlet port in the distal end of the probe. Also, the lumen houses a cutting electrode which is selectively deployable. Both cauterization and coagulation can be conducted in a bipolar mode. The flow of fluid through the lumen serves to limit the heat transfer from the cauterization electrode to adjacent tissue to an extent sufficient to prevent the sticking of tissue to the probe. A feedback system is also provided to optimize the electrode temperature.
摘要翻译： 公开了一种提供切割和烧灼组织的能力的电外科探针。 探针包括安装在电极的远端部分上的至少一个烧灼电极，并且适于将电外科能量递送至组织。 此外，中心腔设置在探针内。 所述内腔适于容纳从远程源到组织的流体通过探针远端中的出口。 此外，管腔容纳可选择性展开的切割电极。 烧灼和凝结均可以双极模式进行。 通过内腔的流体流动用于限制从烧灼电极到相邻组织的热传递到足以防止组织粘附到探针上的程度。 还提供反馈系统以优化电极温度。
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公开(公告)号：US5207691A
公开(公告)日：1993-05-04
申请号：US786574
申请日：1991-11-01
申请人： Paul C. Nardella
发明人： Paul C. Nardella
IPC分类号： A61B17/12 , A61B17/00 , A61B17/128 , A61B18/12 , A61B18/14
CPC分类号： A61B18/1206 , A61B17/128 , A61B18/12 , A61B18/1447 , A61B2017/00128 , A61B2018/0066 , A61B2018/00738 , A61B2018/00875 , A61B2018/145 , Y10S227/901
摘要： A clip applicating device deploys surgical clips to ligate ducts and/or vessels during surgical procedures. While the clip is deployed the device simultaneously delivers electrosurgical energy to the affected tissue through the clip. This causes the clip and the adjacent tissue to be fused together, resulting in more secure surgical clips. The clipping device may be configured either as a bipolar or a monopolar instrument.
摘要翻译： 夹子施加装置在手术过程中部署手术夹子以连接管道和/或血管。 当夹子被部署时，该装置同时通过夹子将电外科能量传递给受影响的组织。 这导致夹子和相邻组织被熔合在一起，导致更安全的手术夹。 夹持装置可以被配置为双极或单极仪器。
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公开(公告)号：US4160857A
公开(公告)日：1979-07-10
申请号：US878493
申请日：1978-02-16
CPC分类号： H01M6/44 , H01M2/105 , A61B2017/00734
摘要： A canister for a removable battery comprises a receptacle for receiving the battery therein. The battery is insertable so that its electrical terminals are upwardly facing and exposed for contact. A cover is provided for enclosing the battery in the receptacle and electrical contacts are associated with the cover for contacting the battery terminals when the cover is positioned over the receptacle with the battery inside. An electrical connector is electrically connected to the electrical contacts inside the cover and provides means on the outside of the cover for an electrical connection in order to derive voltage from the battery.A battery pack unit in combination with the canister comprises a plurality of batteries electrically connected to each other and has electrical terminals in contact with the electrical contacts in the cover. The terminals are electrically connected to the batteries in order to provide a source of electrical current from the pack unit.A further combination includes the canister and battery pack unit together with a tool electrically operated by direct current with a cable connecting the canister with the tool for providing direct current from the battery unit in the canister to the tool for driving the same.
摘要翻译： 用于可拆卸电池的罐包括用于在其中接收电池的插座。 电池是可插入的，使得其电端子面向上并暴露以进行接触。 提供用于将电池封装在插座中的盖子，并且当盖子与电池内部位于插座上方时，电触点与盖相关联，用于接触电池端子。 电连接器电连接到盖内的电触点，并且在盖的外部提供用于电连接的装置，以便从电池导出电压。
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公开(公告)号：US5941876A
公开(公告)日：1999-08-24
申请号：US803170
申请日：1997-02-19
CPC分类号： A61B17/32002 , A61B18/1482 , A61B18/1485 , A61B2017/00685 , A61B2017/320028 , A61B2018/00434 , A61B2018/1253 , A61B2018/126 , A61B2018/1861 , A61B2217/005
摘要： An electrosurgical apparatus includes a rotary, tissue affecting device in the form of one or more rotating blades, a rotating drill, or a rotating shaving/abrading device that serves as an active, energy delivering electrode. The active electrode effectively cuts tissue at the surgical site without relying solely upon the mechanical cutting action of the tissue affecting device. The rotary surgical device can be in a form such that it is suitable for use in open or closed surgery.
摘要翻译： 电外科设备包括一个旋转的组织影响装置，其形式为一个或多个旋转叶片，旋转钻头或用作活动的能量输送电极的旋转剃须/研磨装置。 活性电极有效地切除手术部位的组织，而不依赖于组织影响装置的机械切割作用。 旋转手术装置可以是适合用于开放或闭合手术的形式。
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公开(公告)号：US5925040A
公开(公告)日：1999-07-20
申请号：US878389
申请日：1997-06-18
CPC分类号： A61B18/1485 , A61B2018/00517 , A61B2018/1253 , A61B2018/1472 , A61B2018/1497 , A61B2018/1861
摘要： An electrosurgical instrument includes a roller electrode segmented into conductive and non-conductive portions. When the electrode is rolled over a treatment site, the region of the electrode that contacts the site receives current from an energy source and the non-contacting region of the electrode is isolated from the energy source. The electrode is well suited for use in an isotonic fluid environment, without resulting in significant current dissipation since the non-contacting portion is isolated from the energy source. The roller electrode has a substantially cylindrical shape and is rotatable about a longitudinal axis along which a bore extends. A conductor carrying current from the energy source is disposed through the bore such that, when the electrode is urged against a treatment site, the conductor delivers current to the contacting region of the roller electrode and is isolated from the non-contacting region. Various designs of the segmented roller electrode, as well as both monopolar and bipolar embodiments, are described.
摘要翻译： 电外科器械包括分为导电部分和非导电部分的辊电极。 当电极在处理部位上滚动时，接触该部位的电极的区域接收来自能量源的电流，并且电极的非接触区域与能量源隔离。 该电极非常适用于等渗流体环境，而不会导致显着的电流耗散，因为非接触部分与能量源隔离。 辊电极具有基本上圆柱形的形状，并且可围绕孔延伸的纵向轴线旋转。 承载来自能量源的电流的导体通过孔布置，使得当电极被推向处理部位时，导体将电流传递到辊电极的接触区域并与非接触区域隔离。 描述了分段辊电极的各种设计，以及单极和双极实施例。
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