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公开(公告)号：WO2011149885A2
公开(公告)日：2011-12-01
申请号：PCT/US2011/037668
申请日：2011-05-24
Applicant: ETHICON ENDO-SURGERY, INC. , ALDRIDGE, Jeffrey, L. , CROPPER, Michael, S. , HERRERA-DAVIS, Denzel, Z. , DLUGOS, Daniel, F. , HARRIS, Jason, L. , HUNT, John, V. , MALAVIYA, Prasanna , MESSERLY, Jeffrey, D. , ORTIZ, Mark, S. , OVERMYER, Mark, D. , ROBERTSON, Galen, C. , SHELTON, Frederick, E., IV , STULEN, Foster, B. , THOMPSON, Susan , VOEGELE, James, W. , WIDENHOUSE, Christopher, W. , WIDENHOUSE, Tamara, S. Vetro , YATES, David, C. , ZEINER, Mark, S.
Inventor： ALDRIDGE, Jeffrey, L. , CROPPER, Michael, S. , HERRERA-DAVIS, Denzel, Z. , DLUGOS, Daniel, F. , HARRIS, Jason, L. , HUNT, John, V. , MALAVIYA, Prasanna , MESSERLY, Jeffrey, D. , ORTIZ, Mark, S. , OVERMYER, Mark, D. , ROBERTSON, Galen, C. , SHELTON, Frederick, E., IV , STULEN, Foster, B. , THOMPSON, Susan , VOEGELE, James, W. , WIDENHOUSE, Christopher, W. , WIDENHOUSE, Tamara, S. Vetro , YATES, David, C. , ZEINER, Mark, S.
IPC: A61F2/04
CPC classification number: A61F5/0083 , A61F5/003 , A61F5/0033 , A61F5/0036 , A61F5/004 , A61F5/0043 , A61F5/005 , A61F5/0053 , A61F5/0056 , A61F5/0073 , A61F5/0086
Abstract: Devices and methods for modifying stomach volume include the formation of intragastric slots for wrapping one or more portions of the fundus therethrough with minimal interference with nerves and vasculature flow. Intragastric space occupying devices expand with environmental changes brought about by natural conditions inherent to the digestive cycle such as with changes in pH. Extragastric volume occupying balloons are placed into folded stomach sections. The balloons are fluidly coupled to external gastric filling devices. In yet another set of embodiments, methods and devices provide adjustable gastric volume reduction fundal wraps. In one embodiment, a device is placed in the fundus for Nissen fundoplication and permits postoperative adjustment to reach desired weight loss. Intragastric and extragastric balloons are optionally incorporated.
Abstract translation: 用于改变胃容积的装置和方法包括形成胃内狭槽以用于包裹胃底的一个或多个部分通过其中，同时对神经和脉管系统流动的干扰最小。 胃内空间占用装置随着消化周期固有的自然条件（例如pH变化）带来的环境变化而扩大。 额外胃体积占据气球放入折叠的胃部分。 气球流体耦合到外部胃充填装置。 在又一组实施例中，方法和装置提供可调节的胃容积减小的胃底包裹。 在一个实施方案中，将装置置于胃底进行尼森胃底折叠术并允许术后调整以达到期望的体重减轻。 胃内和胃外气囊可以选择加入。
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公开(公告)号：WO2011035021A2
公开(公告)日：2011-03-24
申请号：PCT/US2010/049115
申请日：2010-09-16
Applicant: ETHICON ENDO-SURGERY, INC. , DLUGOS, Daniel, F. , BYRUM, Randal, T. , BORK, Toralf , CRIVELLI, Rocco , GARNER, Dean, L. , GINGGEN, Alec , HUEIL, Geoffrey, C. , KORVICK, Donna, L. , KRUMANAKER, David, T. , MARCOTTE, Amy, L. , MESSERLY, Jeffrey, D. , MOORE, Kyle, P. , MUMAW, Daniel, J. , NALAGATLA, Anil, K. , ORTIZ, Mark, S. , SHELTON, IV, Frederick E . , SMITH, Bret, W. , SWAYZE, Jeffrey, S. , SWINDON, Patrick, J. , TIMM, Richard, W. , THOMPSON, Eric W . , WEANER, Lauren S .
Inventor： DLUGOS, Daniel, F. , BYRUM, Randal, T. , BORK, Toralf , CRIVELLI, Rocco , GARNER, Dean, L. , GINGGEN, Alec , HUEIL, Geoffrey, C. , KORVICK, Donna, L. , KRUMANAKER, David, T. , MARCOTTE, Amy, L. , MESSERLY, Jeffrey, D. , MOORE, Kyle, P. , MUMAW, Daniel, J. , NALAGATLA, Anil, K. , ORTIZ, Mark, S. , SHELTON, IV, Frederick E . , SMITH, Bret, W. , SWAYZE, Jeffrey, S. , SWINDON, Patrick, J. , TIMM, Richard, W. , THOMPSON, Eric W . , WEANER, Lauren S .
CPC classification number: A61F5/0053 , A61F2/0036 , A61F5/003 , A61F5/0056 , A61F5/0059
Abstract: An apparatus for regulating the functioning of a patient's organ or duct includes an elongated member having a first end and a second end. A fastener is disposed on the first end of the elongated member. The fastener is configured to engage the second end of the elongated member so that the elongated member forms a loop around the organ or duct. A tension element is disposed for movement within the elongated member. A drive element is associated with and engages the tension element for causing the tension element to control the tension applied by the elongated member against a patient's body organ or duct. A tension release mechanism is associated with the tension element.
Abstract translation: 用于调节患者器官或管道的功能的装置包括具有第一端和第二端的细长构件。 紧固件设置在细长构件的第一端上。 紧固件构造成接合细长构件的第二端，使得细长构件围绕器官或管道形成环。 张力元件设置成在细长构件内移动。 驱动元件与张力元件相关联并与其接合，用于使张力元件控制由细长构件施加的抗张力抵靠患者身体器官或管道的张力。 张力释放机构与张力元件相关联。
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公开(公告)号：WO2011035006A2
公开(公告)日：2011-03-24
申请号：PCT/US2010049094
申请日：2010-09-16
Applicant: ETHICON ENDO SURGERY INC , DLUGOS DANIEL F , BORK TORALF , CHEN CHRISTINE H , CRIVELLI ROCCO , KORVICK DONNA L , KRUMANAKER DAVID T , LESSEK TIMOTHY P , MARCOTTE AMY L , MESSERLY JEFFREY D , MUMAW DANIEL J , NALAGATLA ANIL K , PLESCIA DAVID N , SHELTON FREDERICK E , SWAYZE JEFFREY S , SWINDON PATRICK J , TSONTON MARK , WOODRUFF SCOTT A
Inventor： DLUGOS DANIEL F , BORK TORALF , CHEN CHRISTINE H , CRIVELLI ROCCO , KORVICK DONNA L , KRUMANAKER DAVID T , LESSEK TIMOTHY P , MARCOTTE AMY L , MESSERLY JEFFREY D , MUMAW DANIEL J , NALAGATLA ANIL K , PLESCIA DAVID N , SHELTON FREDERICK E , SWAYZE JEFFREY S , SWINDON PATRICK J , TSONTON MARK , WOODRUFF SCOTT A
CPC classification number: A61F5/0059 , A61B17/12009 , A61F2/0036 , A61F5/003 , A61F5/0053 , A61F5/0056 , A61F2250/0002
Abstract: An apparatus for regulating the functioning of a patient's organ or duct includes an elongated member having a first end and a second end. A fastener is disposed on the first end of the elongated member. The fastener is configured to engage the second end of the elongated member so that the elongated member forms a loop around the organ or duct. A tension element is disposed for movement within the elongated member. A symmetrical drive system including a drive element associated with and engaging the tension element for causing the tension element to control the tension applied by the elongated member against a patient's body organ or duct is further provided. In accordance with an alternate embodiment an apparatus for regulating the functioning of a patient's organ or duct including an elongated member having a first end and a second end. A fastener is disposed on the first end of the elongated member. The fastener is configured to engage the second end of the elongated member so that the elongated member forms a loop around the organ or duct. A tension element is disposed for movement within the elongated member. The tension element is composed of a flexible first member and a flexible second member, wherein the flexible first member is movable relative to the flexible second member. A drive element is associated with and engages the tension element for causing the tension element to control the tension applied by the elongated member against a patient's body organ or duct.
Abstract translation: 用于调节患者器官或管道的功能的装置包括具有第一端和第二端的细长构件。 紧固件设置在细长构件的第一端上。 紧固件构造成接合细长构件的第二端，使得细长构件围绕器官或管道形成环。 张力元件设置成在细长构件内移动。 进一步提供一种对称的驱动系统，其包括与紧张元件相关联并与其接合的驱动元件，用于使张力元件控制细长构件对患者身体器官或管道施加的张力。 根据替代实施例，一种用于调节患者器官或管道的功能的装置，包括具有第一端和第二端的细长构件。 紧固件设置在细长构件的第一端上。 紧固件构造成接合细长构件的第二端，使得细长构件围绕器官或管道形成环。 张力元件设置成在细长构件内移动。 张力元件由柔性第一构件和柔性第二构件构成，其中柔性第一构件可相对于柔性第二构件移动。 驱动元件与张力元件相关联并与其接合，用于使张力元件控制由细长构件施加的抗张力抵靠患者身体器官或管道的张力。
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公开(公告)号：WO2010017149A1
公开(公告)日：2010-02-11
申请号：PCT/US2009/052616
申请日：2009-08-03
Applicant: ETHICON ENDO-SURGERY, INC. , GIORDANO, James, R. , BEETEL, Robert, L. , WIENER, Eitan, T. , MESSERLY, Jeffrey, D. , MALAVIYA, Prasanna , DINARDO, Brian , ABBOTT, Daniel, J.
Inventor： GIORDANO, James, R. , BEETEL, Robert, L. , WIENER, Eitan, T. , MESSERLY, Jeffrey, D. , MALAVIYA, Prasanna , DINARDO, Brian , ABBOTT, Daniel, J.
CPC classification number: A61B17/320092 , A61B5/0538 , A61B5/4836 , A61B5/6847 , A61B2017/00026 , A61B2017/00146 , A61B2017/00176 , A61B2018/00303 , A61B2018/00875 , B06B1/0284 , B06B2201/76
Abstract: Various embodiments are directed to an apparatus, system, and method for driving an end effector coupled to an ultrasonic transducer in a surgical instrument. The method comprises generating a first ultrasonic drive signal by a generator coupled to an ultrasonic drive system, actuating the ultrasonic transducer with the first ultrasonic drive signal for a first period, generating a second ultrasonic drive signal by the generator, and actuating the ultrasonic transducer with the second ultrasonic drive signal for a second period, subsequent to the first period. The first drive signal is different from the second drive signal over the respective first and second periods. The first and second drive signals define a step function waveform over the first and second periods. The apparatus comprises a generator configured to couple to an ultrasonic instrument. The system comprises a generator coupled to an ultrasonic instrument. The ultrasonic instrument comprises an ultrasonic drive system comprising an ultrasonic transducer coupled to a waveguide and an end effector coupled to the waveguide, and wherein the ultrasonic drive system is configured to resonate at a resonant frequency.
Abstract translation: 各种实施例涉及用于驱动耦合到外科器械中的超声换能器的末端执行器的装置，系统和方法。 该方法包括通过耦合到超声波驱动系统的发生器产生第一超声波驱动信号，在第一周期内用第一超声波驱动信号致动超声波换能器，由发生器产生第二超声波驱动信号，并用 所述第二超声波驱动信号在所述第一周期之后的第二周期。 第一驱动信号在相应的第一和第二周期上与第二驱动信号不同。 第一和第二驱动信号在第一和第二周期定义阶跃函数波形。 该装置包括配置成耦合到超声仪器的发生器。 该系统包括耦合到超声波仪器的发生器。 超声波仪器包括超声波驱动系统，其包括耦合到波导的超声波换能器和耦合到波导的端部执行器，并且其中超声波驱动系统被配置为以共振频率谐振。
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5.发明申请A CATHETER FOR DEACTIVATING AT LEAST A PORTION OF THE DIGESTIVE ENZYMES IN AN AMOUNT OF BILE 审中-公开用于至少将一定数量的消化酶抑制剂的肽
公开(公告)号：WO2011059668A1
公开(公告)日：2011-05-19
申请号：PCT/US2010/053762
申请日：2010-10-22
Applicant: ETHICON ENDO-SURGERY, INC. , PASTORELLI, Alessandro , MESSERLY, Jeffrey, D. , OVERMYER, Mark, D. , ORTIZ, Mark, S. , ELMER, Lucas, B. , ROBERTSON, Galen, C. , SHELTON, Frederick, E. , BALEK, Stephen, J.
Inventor： PASTORELLI, Alessandro , MESSERLY, Jeffrey, D. , OVERMYER, Mark, D. , ORTIZ, Mark, S. , ELMER, Lucas, B. , ROBERTSON, Galen, C. , SHELTON, Frederick, E. , BALEK, Stephen, J.
CPC classification number: A61F5/0013 , A61M27/002 , A61M2210/1057
Abstract: The present invention generally provides for a catheter (1200, 1300) for surgically treating a patient. The catheter has an inlet catheter (1202, 1302) having a proximal end and an open distal end, and first (1206, 1306) and second (1204, 1304) branch sections having proximal ends attached to the open distal end of the inlet lumen. The first and second branch sections and distal ends terminating at an open proximal end of an outlet lumen (1208, 1308). The first passageway lumen has a device (1210, 1312) for deactivating at least a portion of the digestive enzymes in an amount of bile.
Abstract translation: 本发明通常提供用于手术治疗患者的导管（1200,1300）。 导管具有具有近端和开口远端的入口导管（1202,1302），以及第一（1206,1306）和第二（1204,1304）分支部分，其具有附接到入口腔的开放远端的近端 。 第一和第二分支部分和远端终止于出口腔（1208,1308）的开放近端。 第一通道腔具有用于使一定量胆汁中的至少一部分消化酶失活的装置（1210,1312）。
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Patent Agency Ranking
公开(公告)号：WO2011044338A3
公开(公告)日：2011-04-14
申请号：PCT/US2010/051787
申请日：2010-10-07
Applicant: ETHICON ENDO-SURGERY, INC. , WEINER, Eitan, T. , ALDRIDGE, Jeffrey, L. , NOYES, Brian, T. , MESSERLY, Jeffrey, D. , GIORDANO, James, R. , BEETEL, Robert, J. , PRICE, Nathan, J. , STULEN, Foster, B. , MILLER, Matthew, C. , WILEY, Jeffrey, P. , PRICE, Daniel, W. , KOCH, Robert, L. , BROTZ, Joseph, A. , HEIN, John, E. , VOEGELE, Aaron, C. , ABBOTT, Daniel, J. , KILLINGER, Scott, B. , DAVISON, Mark, A. , YATES, David, C. , MONSON, Gavin, M.
Inventor： WEINER, Eitan, T. , ALDRIDGE, Jeffrey, L. , NOYES, Brian, T. , MESSERLY, Jeffrey, D. , GIORDANO, James, R. , BEETEL, Robert, J. , PRICE, Nathan, J. , STULEN, Foster, B. , MILLER, Matthew, C. , WILEY, Jeffrey, P. , PRICE, Daniel, W. , KOCH, Robert, L. , BROTZ, Joseph, A. , HEIN, John, E. , VOEGELE, Aaron, C. , ABBOTT, Daniel, J. , KILLINGER, Scott, B. , DAVISON, Mark, A. , YATES, David, C. , MONSON, Gavin, M.
Abstract: A surgical generator (102) that may produce a drive signal or signals of particular voltages, currents, and frequencies, e.g. 55,500 cycles per second (Hz). The drive signal or signals may be provided to an ultrasonic surgical device (104), and specifically to a transducer. In one embodiment, the generator may be configured to produce a drive signal of a particular voltage, current, and/or frequency that can be stepped with high resolution, accuracy, and repeatability. Additionally, the surgical generator may generate a drive signal or signals with output power sufficient to perform bipolar electrosurgery using radio frequency (RF) energy. The drive signal may be provided, for example, to electrodes of the electrosurgical device (106). Accordingly, the generator may be configured for therapeutic purposes by applying electrical signals to an ultrasonic transducer or electrical energy to the tissue sufficient for treating the tissue (e.g., cutting, coagulation, cauterization, tissue welding).
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公开(公告)号：WO2011149882A2
公开(公告)日：2011-12-01
申请号：PCT/US2011037665
申请日：2011-05-24
Applicant: ETHICON ENDO SURGERY INC , ALDRIDGE JEFFREY L , CROPPER MICHAEL S , HERRERA-DAVIS DENZEL Z , DLUGOS DANIEL F JR , HARRIS JASON L , HUNT JOHN V , MALAVIYA PRASANNA , MESSERLY JEFFREY D , ORTIZ MARK S , OVERMYER MARK D , ROBERTSON GALEN C , SHELTON FREDERICK E IV , STULEN FOSTER B , THOMPSON SUZANNE , VOEGELE JAMES W , WEANER LAUREN S , WIDENHOUSE CHRISTOPHER W , WIDENHOUSE TAMARA S VETRO , YATES DAVID C , ZEINER MARK S
Inventor： ALDRIDGE JEFFREY L , CROPPER MICHAEL S , HERRERA-DAVIS DENZEL Z , DLUGOS DANIEL F JR , HARRIS JASON L , HUNT JOHN V , MALAVIYA PRASANNA , MESSERLY JEFFREY D , ORTIZ MARK S , OVERMYER MARK D , ROBERTSON GALEN C , SHELTON FREDERICK E IV , STULEN FOSTER B , THOMPSON SUZANNE , VOEGELE JAMES W , WEANER LAUREN S , WIDENHOUSE CHRISTOPHER W , WIDENHOUSE TAMARA S VETRO , YATES DAVID C , ZEINER MARK S
IPC: A61F2/04
CPC classification number: A61F5/0083 , A61B17/00234 , A61B17/064 , A61B17/12136 , A61B17/12159 , A61B17/1355 , A61B2017/00035 , A61B2017/00557 , A61B2017/00632 , A61B2017/00818 , A61B2017/00898 , A61B2017/1142 , A61F5/004 , A61F5/0056
Abstract: Devices and methods for modifying stomach volume include the formation of intragastric slots for wrapping one or more portions of the fundus therethrough with minimal interference with nerves and vasculature flow. Intragastric space occupying devices expand with environmental changes brought about by natural conditions inherent to the digestive cycle such as with changes in pH. Extragastric volume occupying balloons are placed into folded stomach sections. The balloons are fluidly coupled to external gastric filling devices. In yet another set of embodiments, methods and devices provide adjustable gastric volume reduction fundal wraps. In one embodiment, a device is placed in the fundus for Nissen fundoplication and permits postoperative adjustment to reach desired weight loss. Intragastric and extragastric balloons are optionally incorporated.
Abstract translation: 用于改变胃体积的装置和方法包括形成胃内狭槽，用于以最小的神经和脉管系统流动的干扰来包裹眼底的一个或多个部分。 内部空间占据装置随着消化循环固有的自然条件（如pH变化）带来的环境变化而扩大。 腹腔积气囊放置在折叠的胃部。 气囊流体地联接到外部胃灌注装置。 在另一组实施方案中，方法和装置提供可调节的胃体积减少基底包裹。 在一个实施例中，将装置放置在眼底以进行尼森眼底切开术，并允许术后调整以达到期望的体重减轻。 肠内和胃内气囊任选并入。
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公开(公告)号：WO2011035023A3
公开(公告)日：2011-07-28
申请号：PCT/US2010049120
申请日：2010-09-16
Applicant: ETHICON ENDO SURGERY INC , DLUGOS DANIEL F , ADAMS THOMAS E , BYRUM RANDAL T , CONLON SEAN P , CRIVELLI ROCCO , GARNER DEAN L , GINGGEN ALEC J , HABERSTICH WELLS D , HUEIL GEOFFREY C , KORVICK DONNA L , KRUMANAKER DAVID T , LESSEK TIMOTHY P , MARCOTTE AMY L , MESSERLY JEFFREY D , MOORE KYLE P , MUMAW DANIEL J , NALAGATLA ANIL K , ORTIZ MARK S , SHELTON FREDERICK E IV , SMITH BRET W , SWAYZE JEFFREY S , SWINDON PATRICK J , THOMPSON ERIC W , TSONTON MARK , WEANER LAUREN S , WIDENHOUSE CHRISTOPHER W , WOODRUFF SCOTT A
Inventor： DLUGOS DANIEL F , ADAMS THOMAS E , BYRUM RANDAL T , CONLON SEAN P , CRIVELLI ROCCO , GARNER DEAN L , GINGGEN ALEC J , HABERSTICH WELLS D , HUEIL GEOFFREY C , KORVICK DONNA L , KRUMANAKER DAVID T , LESSEK TIMOTHY P , MARCOTTE AMY L , MESSERLY JEFFREY D , MOORE KYLE P , MUMAW DANIEL J , NALAGATLA ANIL K , ORTIZ MARK S , SHELTON FREDERICK E IV , SMITH BRET W , SWAYZE JEFFREY S , SWINDON PATRICK J , THOMPSON ERIC W , TSONTON MARK , WEANER LAUREN S , WIDENHOUSE CHRISTOPHER W , WOODRUFF SCOTT A
CPC classification number: A61F5/0053 , A61F2/0036 , A61F5/003 , A61F5/0033 , A61F5/0056 , A61F5/0059
Abstract: An apparatus for regulating the functioning of a patient's organ or duct includes an elongated member having a first end and a second end. The elongated member has a compressible ventral surface and a substantially rigid dorsal periphery, wherein the elongated member includes a fluid bladder positioned along the ventral surface. A fastener is disposed on the first end of the elongated member. The fastener is configured to engage the second end of the elongated member so that the elongated member forms a loop around the organ or duct. A tension element is disposed for movement within the elongated member. A drive element is associated with and engages the tension element for causing the tension element to control the tension applied by the elongated member against a patient's body organ or duct. Alternate embodiments are also disclosed.
Abstract translation: 用于调节患者器官或管道的功能的装置包括具有第一端和第二端的细长构件。 细长构件具有可压缩的腹侧表面和基本刚性的背侧周边，其中细长构件包括沿腹侧面定位的流体囊。 紧固件设置在细长构件的第一端上。 紧固件构造成接合细长构件的第二端，使得细长构件围绕器官或管道形成环。 张力元件设置成在细长构件内移动。 驱动元件与张力元件相关联并与其接合，用于使张力元件控制由细长构件施加的抗张力抵靠患者身体器官或管道的张力。 还公开了替代实施例。
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公开(公告)号：WO2011059671A2
公开(公告)日：2011-05-19
申请号：PCT/US2010/053772
申请日：2010-10-22
Applicant: ETHICON ENDO-SURGERY, INC. , ORTIZ, Mark, S. , MESSERLY, Jeffrey, D. , ELMER, Lucas, B. , OVERMYER, Mark, D. , PASTORELLI, Alessandro , SHELTON, Frederick, E. , ROBERTSON, Galen, C. , BALEK, Stephen, J.
Inventor： ORTIZ, Mark, S. , MESSERLY, Jeffrey, D. , ELMER, Lucas, B. , OVERMYER, Mark, D. , PASTORELLI, Alessandro , SHELTON, Frederick, E. , ROBERTSON, Galen, C. , BALEK, Stephen, J.
CPC classification number: A61F5/0013 , A61M27/002 , A61M2210/1057
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公开(公告)号：WO2011035006A3
公开(公告)日：2011-03-24
申请号：PCT/US2010/049094
申请日：2010-09-16
Applicant: ETHICON ENDO-SURGERY, INC. , DLUGOS, Daniel, F. , BORK, Toralf , CHEN, Christine, H. , CRIVELLI, Rocco , KORVICK, Donna, L. , KRUMANAKER, David, T. , LESSEK, Timothy, P. , MARCOTTE, Amy, L. , MESSERLY, Jeffrey, D. , MUMAW, Daniel, J. , NALAGATLA, Anil, K. , PLESCIA, David, N. , SHELTON, Frederick, E. , SWAYZE, Jeffrey, S. , SWINDON, Patrick, J. , TSONTON, Mark , WOODRUFF, Scott, A.
Inventor： DLUGOS, Daniel, F. , BORK, Toralf , CHEN, Christine, H. , CRIVELLI, Rocco , KORVICK, Donna, L. , KRUMANAKER, David, T. , LESSEK, Timothy, P. , MARCOTTE, Amy, L. , MESSERLY, Jeffrey, D. , MUMAW, Daniel, J. , NALAGATLA, Anil, K. , PLESCIA, David, N. , SHELTON, Frederick, E. , SWAYZE, Jeffrey, S. , SWINDON, Patrick, J. , TSONTON, Mark , WOODRUFF, Scott, A.
Abstract: An apparatus for regulating the functioning of a patient's organ or duct includes an elongated member having a first end and a second end. A fastener is disposed on the first end of the elongated member. The fastener is configured to engage the second end of the elongated member so that the elongated member forms a loop around the organ or duct. A tension element is disposed for movement within the elongated member. A symmetrical drive system including a drive element associated with and engaging the tension element for causing the tension element to control the tension applied by the elongated member against a patient's body organ or duct is further provided. In accordance with an alternate embodiment an apparatus for regulating the functioning of a patient's organ or duct including an elongated member having a first end and a second end. A fastener is disposed on the first end of the elongated member. The fastener is configured to engage the second end of the elongated member so that the elongated member forms a loop around the organ or duct. A tension element is disposed for movement within the elongated member. The tension element is composed of a flexible first member and a flexible second member, wherein the flexible first member is movable relative to the flexible second member. A drive element is associated with and engages the tension element for causing the tension element to control the tension applied by the elongated member against a patient's body organ or duct.
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