公开(公告)号：US20190350647A1

公开(公告)日：2019-11-21

申请号：US16360334

申请日：2019-03-21

Applicant: Medtronic, Inc.

Inventor： Steven V. Ramberg ,  Daniel S. Cheek ,  Steven J. Fraasch ,  Brian Howard ,  John D. Norton

IPC: A61B18/14 ,  A61B18/12 ,  A61N1/32 ,  A61M5/14

Abstract: A medical device may include an electrosurgical hand piece. The electrosurgical hand piece may have a housing with a proximal end, a distal end, and a chamber proximate the proximal end. The chamber may be configured to releasably retain and electrically couple with a power source. The electrosurgical hand piece may also include a treatment delivery element configured to releasably couple to the distal end of the housing. The treatment delivery element may be configured to communicate with the power source and deliver biphasic pulsed field ablation. The medical device may also include a charging element which may charge the power source using inductive charging or near-field (RF) wireless charging.

公开(公告)号：US20140370490A1

公开(公告)日：2014-12-18

申请号：US14252116

申请日：2014-04-14

Applicant: Medtronic, Inc.

Inventor： Paul A Iaizzo ,  Timothy G Laske ,  Michael D Eggen ,  Ryan P Goff ,  Brian Howard

IPC: A01N1/02 ,  G09B23/30

CPC classification number: A01N1/0247 ,  G09B23/303 ,  G09B23/306

Abstract: An isolated heart or heart-lung preparation in which essentially normal pumping activity of all four chambers of the heart is preserved, allowing for the use of the preparation in conjunction with investigations of electrode leads, catheters, ablation methods, cardiac implants and other medical devices intended to be used in or on a beating heart. The system can be designed to be used within a Magnetic Resonance Imaging (MRI) unit or a X-ray computed tomography (CT) scanner. The preparation may also be employed to investigate heart and lung functions, in the presence or absence of such medical devices. In order to allow comparative imaging visualizations of either or simultaneously the heart and/or lung structures and devices located within the chambers of the heart or vessels or bronchi within the lungs, a clear perfusate such as a modified Krebs buffer solution with oxygenation is circulated through all four chambers of the heart and thus the coronary and/or pulmonary vasculatures. A ventilator with intubation tube can be used to inflate/deflate the lungs and/or provide oxygen to the isolated organs. The preparation and recordings of the preparation may be used in conjunction with the design, development and evaluation of devices for use in or on the heart and/or lungs, as well as for use as an investigational and teaching aid to assist physicians and students in understanding the operation of the cardiopulmonary system.

Abstract translation: 孤立的心脏或心肺制剂，其中保留了心脏的所有四个腔室的基本上正常的泵送活性，允许使用制剂结合电极引线，导管，消融方法，心脏植入物和其他医疗装置的研究 旨在用于或在一个跳动的心脏。 该系统可以设计成在磁共振成像（MRI）单元或X射线计算机断层摄影（CT）扫描仪中使用。 在存在或不存在这种医疗装置的情况下，该制剂也可用于研究心脏和肺功能。 为了允许位于心脏或血管或肺内的支气管内的心脏和/或肺结构和装置的同时或同时进行比较成像可视化，清除灌注液（例如具有氧合的修饰的克雷伯斯缓冲溶液）循环通过 心脏的所有四个腔室，因此冠状动脉和/或肺血管系统。 具有插管的呼吸机可用于使肺膨胀/放气和/或向分离的器官提供氧气。 制剂的制备和记录可以与用于心脏和/或肺部的装置的设计，开发和评价结合使用，以及用作辅助医师和学生的研究和教学辅助 了解心肺系统的运作情况。