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Coronary sinus medical electrical leads

A lead, medical instrument technology, applied in the field of medical electrical leads, can solve problems such as phrenic nerve stimulation

Active Publication Date: 2020-10-02
MEDTRONIC INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The self-anchoring lead disclosed by Pianchi et al. includes radially spaced electrodes around its circumference that are electrically active, which can lead to unwanted phrenic nerve stimulation

Method used

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  • Coronary sinus medical electrical leads
  • Coronary sinus medical electrical leads
  • Coronary sinus medical electrical leads

Examples

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Embodiment Construction

[0033] The following detailed description is exemplary in nature and is not intended to limit the scope, applicability, or configuration of the disclosure in any way. Rather, the following description provides practical illustrations for implementing exemplary embodiments of the invention. Constructions, materials, dimensions and methods of manufacture suitable for carrying out embodiments of the present invention are known to those skilled in the art.

[0034] Figure 1-Figure 2A is a plan view of an exemplary intravenous medical electrical lead 10 connected through a guide catheter 34, such as the ATTAIN® developed and sold by Medtronic, Inc. of Minneapolis, Minnesota. Lead 10 is configured to deliver electrical stimulation to tissue (eg, ventricular cardiac pacing) and / or sense signals from tissue. Lead 10 includes proximal and distal ends 120 with a lead body 150 generally defining a longitudinal axis therebetween. An in-line bipolar connector assembly 30 is located at...

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Abstract

One embodiment of the invention includes an intravenous medical electrical lead comprising an elongated lead body. The elongated lead body includes a length between the proximal end and the shaped distal end. The lead body includes a longitudinal axis extending between a proximal end and a shaped distal end. The lead body has an outer periphery with a set of circumferentially spaced apart electrodes. Each electrode includes an electrically active portion and an insulating portion at the periphery of the electrode. If the lead body is rotated within the delivery catheter, the lead body is configured to rotate back to a position such that the electrically active portion of a set of electrodes faces myocardial tissue when exiting the guide catheter, while the insulated portions of the electrodes are in contact with neural tissue, such as The phrenic nerves are diametrically opposed.

Description

technical field [0001] The present disclosure relates to medical electrical leads, and more particularly, to implantable medical electrical leads that reduce undesired nerve stimulation. Background technique [0002] Implantable medical devices such as cardiac pacemakers and defibrillators typically include elongated medical electrical leads with one or more electrodes to sense electrical activity and deliver therapeutic stimuli. With the advent of left ventricular pacing to relieve heart failure, leads have been advanced into the coronary veins in order to position the lead's electrodes at the left ventricular pacing site, which is usually positioned near the floor of the left ventricle. Although various left ventricular pacing leads and methods for implanting such leads have been developed, there remains a need for a Feature leads. [0003] Many types of medical electrical leads are suitable for placement in the coronary vasculature. Exemplary active anchor leads includ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61N1/00
CPCA61N1/056A61N1/3627A61N1/3686A61N2001/0585
Inventor J·L·萨莫W·J·克莱门斯L·L·弗兰克
Owner MEDTRONIC INC
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