-
公开(公告)号：US20200268442A1
公开(公告)日：2020-08-27
申请号：US16721279
申请日：2019-12-19
IPC分类号： A61B18/14
摘要： An endoluminal energy delivery device includes a proximal end and a distal end, an electrically conductive core extending from the proximal to the distal end, and an energy delivery tip at the distal end. The energy delivery tip includes a distal core portion and an electrically conductive element disposed coaxially around the distal core portion and electrically coupled thereto in parallel. The distal core portion is made of a first material and the electrically conductive element is made of a second material. The second material has a higher conductivity than the first material. Electrical energy supplied to the delivery device passes simultaneously through the distal core portion and the electrically conductive element.
-
2.发明申请公开(公告)号：US20180049801A1
公开(公告)日：2018-02-22
申请号：US15679225
申请日：2017-08-17
发明人： Rune T. Paamand , Per Elgaard
CPC分类号： A61B18/1492 , A61B18/082 , A61B18/20 , A61B2018/00791 , A61B2018/00875 , A61B2018/00994 , A61N1/05 , A61N1/36
摘要： The present disclosure provides for a device and methods of use to endoluminally heat and/or occlude a body vessel. The method includes a step of contracting the vessel to be treated by a contraction method, such as by delivering an electrical stimulus to induce spasms and decrease the diameter of the vessel. In some embodiments, the electrical stimulus may be a pulsatile electrical stimulus. The device then delivers a heat energy to aid in occlusion of the vessel.
-
公开(公告)号：US20170202600A1
公开(公告)日：2017-07-20
申请号：US15405458
申请日：2017-01-13
发明人： Rune Tore Paamand , Per Elgaard
IPC分类号： A61B18/08
CPC分类号： A61M25/10 , A61B18/08 , A61B18/082 , A61B18/1206 , A61B18/1492 , A61B2017/00026 , A61B2017/00084 , A61B2017/00119 , A61B2018/00083 , A61B2018/0022 , A61B2018/00404 , A61B2018/00416 , A61B2018/00422 , A61B2018/00577 , A61B2018/00589 , A61B2018/00595 , A61B2018/0063 , A61B2018/00648 , A61B2018/00702 , A61B2018/00714 , A61B2018/00791 , A61B2018/00827 , A61B2018/00875 , A61B2018/00886 , A61B2018/087 , A61B2018/1435
摘要： The present disclosure provides for a device and methods of use to endoluminally ablate and/or occlude a body vessel using a current to perform resistive heating. The device includes a resistive coil having thermistor properties where the resistance of the coil changes as a function of temperature. A control unit will detect the voltage, current, and resistance in the coil during the heating of the coil to determine the temperature of the coil. As occlusion occurs and the cooling effect of blood flow decreases, less power will be required to maintain the coil at a desired temperature. Detecting a large decrease in required power will indicate to the control unit that the body vessel has become occluded.
-
公开(公告)号：US20160158508A1
公开(公告)日：2016-06-09
申请号：US15043002
申请日：2016-02-12
发明人： David G. Burton , Thomas Lysgaard , Steen Aggerholm , Per Elgaard , Kjeld Hjort
IPC分类号： A61M25/10
CPC分类号： A61M25/1029 , A61M25/1002 , A61M25/1034 , A61M25/104 , A61M2025/1031 , A61M2025/1086
摘要： A balloon catheter is provided for dilating hardened stenoses. The balloon catheter has dilation elements integrally formed on the outer surface of the balloon. The dilation elements have cross-sectional shapes that improve the performance of the balloon catheter.
摘要翻译： 提供气囊导管用于扩张硬化狭窄。 气囊导管具有一体地形成在球囊的外表面上的扩张元件。 扩张元件具有改善气囊导管性能的横截面形状。
-
公开(公告)号：US20180140447A1
公开(公告)日：2018-05-24
申请号：US15818880
申请日：2017-11-21
CPC分类号： A61F2/966 , A61B17/12109 , A61B17/12172 , A61B2017/00867 , A61B2017/1205 , A61B2090/3966 , A61F2/01 , A61F2/07 , A61F2/86 , A61F2/89 , A61F2002/011 , A61F2002/016 , A61F2002/068 , A61F2210/0014 , A61F2250/0071 , A61F2250/0098
摘要： An implantable medical device includes an expandable support structure, which may be a stent. In the example shown, the device is a vascular plug and includes a twisted occluding sleeve held within the stent, which closes the lumen through the stent. At a distal end of the stent, there is provided a guide tip made of a resilient material, which includes a plurality of separable legs coupled to a central hub. The legs extend radially outwardly when the device is in its radially expanded configuration, providing an open passage to the medical device. This structure of combined medical device and expandable guide tip enables the omission of a conventional dilator tip of an introducer assembly and allows vascular plugs and similar devices to be deployed over-the-wire and with the assistance of a dilator tip, while avoiding having to pull the dilator tip through the deployed medical device after implantation.
-
公开(公告)号：US09937331B2
公开(公告)日：2018-04-10
申请号：US15043002
申请日：2016-02-12
发明人： David G. Burton , Thomas Lysgaard , Steen Aggerholm , Per Elgaard , Kjeld Hjort
CPC分类号： A61M25/1029 , A61M25/1002 , A61M25/1034 , A61M25/104 , A61M2025/1031 , A61M2025/1086
摘要： A balloon catheter is provided for dilating hardened stenoses. The balloon catheter has dilation elements integrally formed on the outer surface of the balloon. The dilation elements have cross-sectional shapes that improve the performance of the balloon catheter.
-
公开(公告)号：US20170202557A1
公开(公告)日：2017-07-20
申请号：US15405473
申请日：2017-01-13
发明人： Rune Tore Paamand , Per Elgaard
CPC分类号： A61M25/10 , A61B18/08 , A61B18/082 , A61B18/1206 , A61B18/1492 , A61B2017/00026 , A61B2017/00084 , A61B2017/00119 , A61B2018/00083 , A61B2018/0022 , A61B2018/00404 , A61B2018/00416 , A61B2018/00422 , A61B2018/00577 , A61B2018/00589 , A61B2018/00595 , A61B2018/0063 , A61B2018/00648 , A61B2018/00702 , A61B2018/00714 , A61B2018/00791 , A61B2018/00827 , A61B2018/00875 , A61B2018/00886 , A61B2018/087 , A61B2018/1435
摘要： The present disclosure provides for a device and methods of use to endoluminally ablate and/or occlude a body vessel using a radiofrequency (“RF”) signal and a current to perform resistive heating. The device may have a RF mode and a resistive mode, and may perform each mode in sequential order until the vessel is fully occluded. The device further comprises a control unit to operate the device in its various modes.
-
公开(公告)号：US20160206371A1
公开(公告)日：2016-07-21
申请号：US14996385
申请日：2016-01-15
发明人： Per Elgaard , Allan Torp , Rune Tore Paamand
CPC分类号： A61B18/1492 , A61B18/04 , A61B18/08 , A61B18/1815 , A61B18/24 , A61B18/245 , A61B2018/00083 , A61B2018/00107 , A61B2018/00285 , A61B2018/00345 , A61B2018/00398 , A61B2018/00404 , A61B2018/00416 , A61B2018/00577 , A61B2018/00589 , A61B2018/00642 , A61B2018/00791 , A61B2018/00827 , A61B2018/1861 , A61B2090/3966
摘要： RF ablation apparatus includes an anode electrode assembly including an anode terminal housed within a catheter. The catheter includes a distal end wall which is disposed in a plane substantially perpendicular to the longitudinal dimension of the catheter. The anode electrode is slidably received within the cathode and can be extended out beyond the distal end of the catheter to provide at least a first terminal for an ablation circuit. The distal end wall is sized and shaped to hold a thrombus formed on the anode electrode so that the anode electrode can be withdrawn from within the thrombus formation and into the catheter, without the thrombus formation being pulled with the anode terminal. The outer surface of the catheter, or at least at the distal end thereof, is made of an insulating or non-conducting material, such that a thrombus does not form over the catheter. The assembly allows for the generation of a thrombus to occlude a vessel and without the risk of pulling any formed thrombus with the apparatus upon retrieval of the apparatus from the patient.
摘要翻译： RF消融装置包括阳极电极组件，其包括容纳在导管内的阳极端子。 导管包括远端壁，该远端壁基本上垂直于导管的纵向尺寸设置。 阳极电极可滑动地容纳在阴极内并且可以延伸超过导管的远端，以提供用于消融电路的至少第一端子。 远端壁的尺寸和形状被设计成容纳形成在阳极电极上的血栓，使得阳极电极可以从血栓形成内取出并进入导管，而不用阳极端子拉动血栓形成。 导管的外表面，或至少在其远端，由绝缘或非导电材料制成，使得血栓不会在导管上形成。 组件允许产生血栓以封闭容器，并且在从患者回收装置时不会将设备拉出任何形成的血栓的风险。
-
公开(公告)号：US20140100592A1
公开(公告)日：2014-04-10
申请号：US13785630
申请日：2013-03-05
发明人： David G. Burton , Per Elgaard
IPC分类号： A61B17/3207
CPC分类号： A61B17/320725 , A61M25/1002 , A61M25/1038 , A61M2025/1004 , A61M2025/1086 , A61M2025/109
摘要： A scoring balloon (26) is provided with a plurality of scoring elements (34) and is wrapped onto a balloon catheter (12) such that the scoring elements (34) lie underneath the balloon wall (36) with the balloon wall (36) folded over the scoring elements (34). The scoring elements (34) are rounded at their extremities. The balloon (26) is folded onto the balloon catheter (12) in a tightly wrapped configuration.
摘要翻译： 评分气球（26）设置有多个刻痕元件（34），并被包裹到球囊导管（12）上，使得评分元件（34）位于球囊壁（36）的下方，球囊壁（36） 折叠在划痕元件（34）上。 评分要素（34）在它们的四肢处是圆形的。 气球（26）以紧密包裹的构型折叠到球囊导管（12）上。
-
公开(公告)号：US10052151B2
公开(公告)日：2018-08-21
申请号：US14681644
申请日：2015-04-08
发明人： Per Elgaard , Allan Torp
CPC分类号： A61B18/1492 , A61B18/1206 , A61B2017/00075 , A61B2018/00404 , A61B2018/00416 , A61B2018/00589 , A61B2018/0063 , A61B2018/00654 , A61B2018/00666 , A61B2018/00702 , A61B2018/00791 , A61B2018/00875 , A61B2018/00898 , A61B2018/1467
摘要： An RF ablation system includes an electrode element of elongate form and a cathode pad. A control unit includes a processing unit, a power unit and, optionally, a temperature sensor and/or an impedance sensor. The control unit in one embodiment carries out RF ablation in at least two phases, the first phase at a higher energy level and a second phase, after at least partial retraction of the anode element, at a second lower phase in order to close any remaining lumen within a blood clot formed within the vessel during the first phase. Other embodiments provide for sensing retraction of the anode terminal and effecting RF ablation during and/or after the retraction process in order to create a more effective occlusion barrier.
-
-
-
-
-
-
-
-
-
搜索结果
27 条记录 (耗时 0.016 秒)
