公开(公告)号：US20160121106A1

公开(公告)日：2016-05-05

申请号：US14695167

申请日：2015-04-24

Applicant: Medtronic, Inc.

Inventor： Mark T. MARSHALL ,  Amy E. THOMPSON-NAUMAN ,  Melissa G.T. CHRISTIE ,  Gonzalo MARTINEZ ,  Kevin R. SEIFERT

IPC: A61N1/05 ,  A61N1/08

Abstract: A lead body having a defibrillation electrode positioned along a distal portion of the lead body is described. The defibrillation electrode includes a plurality of electrode segments spaced a distance apart from each other. At least one of the plurality of defibrillation electrode segments includes at least one coated portion and at least one uncoated portion. The at least one coated portion is coated with an electrically insulating material configured to prevent transmission of a low voltage signal (e.g., a pacing pulse) while allowing transmission of a high voltage signal (e.g., a cardioversion defibrillation shock). The at least one uncoated portion is configured to transmit both low voltage and high voltage signals. The lead may also include one or more discrete electrodes proximal, distal or between the defibrillation electrode segments.

Abstract translation: 描述了具有沿着铅体的远端部分定位的除颤电极的引线体。 除颤电极包括彼此间隔开距离的多个电极段。 所述多个除颤电极段中的至少一个包括至少一个涂覆部分和至少一个未涂覆部分。 所述至少一个涂覆部分涂覆有电绝缘材料，其被配置为在允许传输高电压信号（例如，复律除颤电击）的同时防止低电压信号（例如，起搏脉冲）的传输。 至少一个未涂覆部分被配置为传送低电压和高电压信号。 引线还可以包括在除颤电极段之间的近端，远端或之间的一个或多个离散电极。

公开(公告)号：US20190288565A1

公开(公告)日：2019-09-19

申请号：US16295412

申请日：2019-03-07

Applicant: Medtronic, Inc.

Inventor： Gonzalo MARTINEZ ,  David J. PEICHEL

IPC: H02J50/20 ,  H02J50/10 ,  H01F38/14 ,  A61M1/12 ,  A61M1/10

Abstract: An implantable radiofrequency receiving coil configured to electrically couple with a radiofrequency source coil for transcutaneous energy transfer. The receiving coil includes at least one copper conductor defining a coil and configured to power an implantable blood pump. The at least one copper conductor is coated with tantalum.

公开(公告)号：US20190110838A1

公开(公告)日：2019-04-18

申请号：US15786229

申请日：2017-10-17

Applicant: Medtronic, Inc.

Inventor： Gonzalo MARTINEZ ,  Timothy G. LASKE ,  Mark T. STEWART

IPC: A61B18/24 ,  A61B18/14

Abstract: A device, system, and method for optically evaluating and treating or ablating tissue. Specifically, device, system, and method allow for the optical and/or electrical evaluation of tissue at the same location(s) at which ablation or treatment or ablation energy is delivered. This allows for a more accurate evaluation of lesion formation and tissue condition before, during, and/or after a treatment or ablation procedure. In one embodiment, a device for performing a medical procedure includes an elongate body including a proximal portion, a distal portion having a distal end, and a longitudinal axis, and a distal tip electrode at the elongate body distal end, the tip electrode being optically transparent and electrically conductive. The device may also include optical windows in the elongate body aligned with one or more transparent lateral electrodes for optically interrogating tissue and/or for delivering treatment or ablation energy to tissue.

公开(公告)号：US20170021164A1

公开(公告)日：2017-01-26

申请号：US15288011

申请日：2016-10-07

Applicant: Medtronic, Inc.

Inventor： Timothy G. LASKE ,  Gonzalo MARTINEZ ,  Mark T. MARSHALL

IPC: A61N1/05 ,  A61B5/042

CPC classification number: A61N1/0563 ,  A61B5/042 ,  A61N1/0534 ,  A61N1/0541 ,  A61N1/056

Abstract: Selective sensing implantable medical leads include pulsing and sensing portions and pulsing and not sensing portion. Leads and electrodes may be used in defibrillation and as integrated bipolar defibrillation electrodes. An entire electrode can pass charge while a valve metal or valve metal oxide portion of the electrode prevents the entire electrode from sensing, effectively rejecting unwanted signals. Differential conduction pathways, due to the valve metal and/or oxides thereof, cause the portions of the electrodes to conduct differently when used anodically and cathodically. Complex intracardiac electrical gradient can be formed along with a number of virtual electrodes within the tissue. Reentrant loops can thereby be pinned following defibrillation shock.

Abstract translation: 选择性感测可植入医疗引线包括脉冲和感测部分以及脉冲和不感测部分。 引线和电极可用于除颤和作为集成的双极除颤电极。 整个电极可以通过电荷，同时电极的阀金属或阀金属氧化物部分防止整个电极感测，有效地排除不需要的信号。 由于阀门金属和/或其氧化物导致的差动传导路径导致当阳极和阴极使用时，电极的部分不同地传导。 可以与组织内的多个虚拟电极一起形成复杂的心内电梯度。 因此，除颤休克后可以固定可重入环。

公开(公告)号：US20160158567A1

公开(公告)日：2016-06-09

申请号：US14963303

申请日：2015-12-09

Applicant: Medtronic, Inc.

Inventor： Mark T. MARSHALL ,  Gonzalo MARTINEZ ,  Vladimir P. NIKOLSKI ,  Nathan L. OLSON ,  Kevin R. SEIFERT ,  Teresa A. WHITMAN

IPC: A61N1/39 ,  A61N1/05 ,  A61B5/042

Abstract: This disclosure describes an implantable medical electrical lead and an ICD system utilizing the lead. The lead includes a lead body defining a proximal end and a distal portion, wherein at least a part of the distal portion of the lead body defines an undulating configuration. The lead includes a defibrillation electrode that includes a plurality of defibrillation electrode segments disposed along the undulating configuration spaced apart from one another by a distance. The lead also includes at least one electrode disposed between adjacent sections of the plurality of defibrillation sections. The at least one electrode is configured to deliver a pacing pulse to the heart and/or sense cardiac electrical activity of the heart.

Abstract translation: 本公开描述了可植入医疗电引线和利用引线的ICD系统。 引线包括限定近端和远端部分的引线主体，其中引线主体的远端部分的至少一部分限定起伏构型。 引线包括除颤电极，其包括沿着彼此间隔开一定距离的起伏构型设置的多个除颤电极段。 引线还包括设置在多个除颤部分的相邻部分之间的至少一个电极。 所述至少一个电极被配置成将起搏脉冲输送到心脏和/或感测心脏的心脏电活动。