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    Tissue welding and cutting apparatus and method
    3.
    发明申请
    Tissue welding and cutting apparatus and method 有权
    组织焊接和切割设备及方法

    公开(公告)号：US20060217706A1

    公开(公告)日：2006-09-28

    申请号：US11090750

    申请日：2005-03-25

    申请人： Liming Lau ,  Arnold Escano ,  Jerry Jarrard ,  Sam Ho ,  Ryan Abbott ,  Arthur Lin ,  Jesse McQuiston ,  Peter Callas ,  Geoffrey Willis ,  Michael Stewart ,  Kimberly Barkman ,  Joseph Lamberti ,  Kenny Dang

    发明人： Liming Lau ,  Arnold Escano ,  Jerry Jarrard ,  Sam Ho ,  Ryan Abbott ,  Arthur Lin ,  Jesse McQuiston ,  Peter Callas ,  Geoffrey Willis ,  Michael Stewart ,  Kimberly Barkman ,  Joseph Lamberti ,  Kenny Dang

    IPC分类号： A61B18/18

    CPC分类号： A61B18/085 ,  A61B17/29 ,  A61B18/1445 ,  A61B90/03 ,  A61B2017/00084 ,  A61B2017/00353 ,  A61B2017/00504 ,  A61B2017/2912 ,  A61B2017/2936 ,  A61B2017/2945 ,  A61B2017/3445 ,  A61B2018/1432

    摘要： A surgical apparatus and methods for severing and welding tissue, in particular blood vessels. The apparatus includes an elongated shaft having a pair of relatively movable jaws at a distal end thereof. A first heating element on one of the jaws is adapted to heat up to a first temperature and form a welded region within the tissue, while a second heating element on one of the jaws is adapted to heat up to a second temperature and sever the tissue within the welded region. The first and second heating elements may be provided on the same or opposite jaws. A control handle provided on the proximal end of the elongated shaft includes controls for opening and closing the jaws, and may include an actuator for sending current through the first and second heating elements. The first and second heating elements may be electrically connected in series, and the first heating element may be bifurcated such that it conducts about one half of the current as the second heating element. A force-limiting mechanism provided either within the control handle, in the elongated shaft, or at the jaws limits the pressure applied to the tissue by the jaws to ensure that the tissue is severed and the ends effectively welded within a short amount of time.

    摘要翻译： 用于切断和焊接组织，特别是血管的手术设备和方法。 该装置包括细长轴，其在其远端具有一对相对可动的钳口。 其中一个钳口上的第一加热元件适于加热至第一温度并在组织内形成焊接区域，而其中一个钳口上的第二加热元件适于加热至第二温度并切断组织 在焊接区域内。 第一和第二加热元件可以设置在相同或相对的夹爪上。 设置在细长轴的近端的控制手柄包括用于打开和关闭钳口的控制器，并且可以包括用于通过第一和第二加热元件发送电流的致动器。 第一和第二加热元件可以串联电连接，并且第一加热元件可以分叉，使得其作为第二加热元件传导大约电流的一半。 设置在控制手柄，细长轴或钳口内的力限制机构限制由钳口施加到组织上的压力，以确保组织被切断并且端部在短时间内有效地焊接。

    Vacuum Ablation Apparatus and Method
    5.
    发明申请
    Vacuum Ablation Apparatus and Method 审中-公开
    真空消融装置及方法

    公开(公告)号：US20120226271A1

    公开(公告)日：2012-09-06

    申请号：US13472557

    申请日：2012-05-16

    申请人： Peter Callas ,  Robert M. Pearson

    发明人： Peter Callas ,  Robert M. Pearson

    IPC分类号： A61B18/18 ,  A61B18/14

    CPC分类号： A61B18/148 ,  A61B2018/00291 ,  A61B2018/00333 ,  A61B2018/143 ,  A61B2018/1475

    摘要： Ablation devices and associated methods are provided for use in ablating a target tissue, such as a cystic lesion. The ablation apparatus includes an integral or connected elongate probe and a deployable structure that is axially slidable along the outer surface of the electrode. The electrode can be disposed at the probe's distal end region for ablating tissue when the electrode(s) are activated to create an ablated margin of tissue at least partially surrounding the target tissue. Suction can be applied with a vacuum source operably connected to the proximal end region of the deployable structure. A target tissue, such as a cystic lesion, can be drawn against the surface of the electrical probe.

    摘要翻译： 提供消融装置和相关方法用于消融诸如囊性病变的靶组织。 消融装置包括整体或连接的细长探针和可沿着电极外表面轴向滑动的展开结构。 当电极被激活以产生至少部分地围绕目标组织的消融的组织边缘时，可以将电极设置在探针的远端区域以用于烧蚀组织。 可以使用可操作地连接到可部署结构的近端区域的真空源来施加吸力。 靶组织，例如囊性病变，可以被牵引抵靠电探针的表面。

    Implantable electrode array
    6.
    发明申请
    Implantable electrode array 审中-公开
    可植入电极阵列

    公开(公告)号：US20070043416A1

    公开(公告)日：2007-02-22

    申请号：US11207420

    申请日：2005-08-19

    申请人： Peter Callas ,  Dan Beckman

    发明人： Peter Callas ,  Dan Beckman

    IPC分类号： A61N1/362 ,  A61N1/05

    CPC分类号： A61N1/0597 ,  A61N1/3627 ,  A61N1/3968

    摘要： An implantable electrode array for providing a plurality of electrodes in communication with a target is described. A flexible, elastic support holds the electrodes in contact with the target tissue. A large number of electrodes can be provided and selectively activated/deactivated for specific functions. These functions include sensing activity of the target tissue and electrical therapy delivery. One technique to control the electrodes is conductive lines or filaments in the support with individual addressing of each electrode to activate/deactivate an individual electrode for a specific function.

    摘要翻译： 描述了用于提供与目标通信的多个电极的可植入电极阵列。 柔性弹性支撑件保持电极与靶组织接触。 可以提供大量电极，并针对特定功能选择性地激活/停用电极。 这些功能包括感测目标组织的活动和电疗治疗。 用于控制电极的一种技术是支撑体中的导电线或细丝，每个电极的单独寻址以激活/去激活单个电极用于特定功能。

    Method and system for accessing a pericardial space
    7.
    发明申请
    Method and system for accessing a pericardial space 审中-公开
    用于获取心包空间的方法和系统

    公开(公告)号：US20070010793A1

    公开(公告)日：2007-01-11

    申请号：US11159705

    申请日：2005-06-23

    申请人： Peter Callas ,  Gary Hague ,  John Greenland ,  Bruce Tockman ,  Peter Kelley ,  Jason Shiroff ,  David Yingling ,  Ted Schulte

    发明人： Peter Callas ,  Gary Hague ,  John Greenland ,  Bruce Tockman ,  Peter Kelley ,  Jason Shiroff ,  David Yingling ,  Ted Schulte

    IPC分类号： A61M31/00

    CPC分类号： A61B17/3478 ,  A61B2017/306 ,  A61M25/0084

    摘要： A device and method for accessing a pericardial space of the heart includes a shaft having a cavity at a distal end, a suction lumen terminating in a distal port within the cavity and a hollow needle having a distal tip extending into the cavity. The cavity may be a recess in the shaft into which the distal tip of the needle fixedly protrudes. In other embodiments, the cavity is formed by an inflatable member positioned at the distal end of the shaft and the needle is slidable relative to the shaft. Suction is applied at the cavity to draw a pericardial bleb. The needle pierces the pericardial bleb for accessing the pericardial space and also facilitates delivery of payloads into the pericardial space.

    摘要翻译： 用于访问心脏心包空间的装置和方法包括：具有在远端处的空腔的轴，位于空腔内的远端端口中的抽吸腔，以及具有延伸到空腔中的远端的中空针。 空腔可以是轴中的凹部，其中针的远侧末端固定地突出。 在其他实施例中，空腔由位于轴的远端处的可充气构件形成，并且针可相对于轴滑动。 在空腔处抽取吸入心包泡。 针刺穿心包泡，用于进入心包空间，并且还有助于将载荷递送到心包空间中。

    System and method for synchronizing energy delivery to the cardiac rhythm
    8.
    发明授权
    System and method for synchronizing energy delivery to the cardiac rhythm 有权
    将能量传递同步到心律的系统和方法

    公开(公告)号：US08903488B2

    公开(公告)日：2014-12-02

    申请号：US12790681

    申请日：2010-05-28

    申请人： Peter Callas ,  James Lovewell ,  Bradley C. Stribling ,  Dave Warden

    发明人： Peter Callas ,  James Lovewell ,  Bradley C. Stribling ,  Dave Warden

    IPC分类号： A61B5/00 ,  A61N1/37 ,  A61N1/32

    CPC分类号： A61N1/3706 ,  A61N1/327 ,  A61N1/365 ,  A61N1/3702

    摘要： A system for synchronizing application of treatment signals with a cardiac rhythm is provided. The system includes a memory that receives and stores a synchronization signal indicating that a predetermined phase such as R-wave of a cardiac rhythm of a patient has started. A synchronization module analyzes whether the stored synchronization signal is erroneous and if so, prevents a medical treatment device from applying a treatment energy signal such as an IRE pulse to a patient to take into account an irregular heart beat and noise in the synchronization signal in order to maximize safety of the patient.

    摘要翻译： 提供了一种用于同步处理信号与心律的应用的系统。 该系统包括存储器，其接收并存储指示诸如患者的心律的R波之类的预定相位已经开始的同步信号。 同步模块分析所存储的同步信号是否是错误的，如果是，则防止医疗设备向患者施加诸如IRE脉冲的治疗能量信号，以按顺序考虑同步信号中的不规则心跳和噪声 以最大限度地提高患者的安全性。