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Telescoping Catheter Delivery System for Intracardiac Device Placement in the Left Heart

A delivery system, heart technology, applied to parts of surgical instruments, catheters, cardiac electrodes, etc., can solve problems such as not being able to respond to CRT

Active Publication Date: 2016-09-21
MEDTRONIC INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, by some estimates, up to 40-50% of CRT patients fail to respond to CRT with conventional CS lead placement

Method used

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  • Telescoping Catheter Delivery System for Intracardiac Device Placement in the Left Heart
  • Telescoping Catheter Delivery System for Intracardiac Device Placement in the Left Heart
  • Telescoping Catheter Delivery System for Intracardiac Device Placement in the Left Heart

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Embodiment Construction

[0031] The following detailed description is exemplary in nature and is in no way intended to limit the scope, applicability, or configuration of the invention. Rather, the following description provides some practical illustrations for implementing exemplary embodiments of the invention. For selected elements, examples of configurations, materials, dimensions and manufacturing processes are provided, all other elements use configurations, materials, dimensions and manufacturing processes well known to those skilled in the art of the invention. Those skilled in the art will recognize various suitable alternatives to many of the noted examples.

[0032] figure 1 is a partial perspective view of catheter delivery system 100 according to an embodiment of the present invention. In particular, catheter delivery system 100 includes a bendable outer catheter 102, an inner delivery catheter 104, a dilator 106, and a septal puncture punch tool 108 in the form of a radio frequency (RF...

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Abstract

A transseptal delivery system includes an elongated first tubular member and an elongated second tubular member received within the first tubular member. The first tubular member includes an adjustable portion adjacent its distal end. The second tubular member is adapted to receive an instrument to be placed within the left ventricle and includes an arcuate portion in a relaxed state adjacent its distal end. The adjustable portion can be flexed towards the atrial septum to guide the punch tool and / or guide the insertion of the second tubular member through the septal hole into the left atrium. Within the left atrium, the arcuate portion is oriented toward the left ventricle to guide the insertion of the guidewire into the left ventricle and thereafter the insertion of the second tubular member. Transvenous access to the left ventricle is also provided.

Description

technical field [0001] Embodiments of the present invention generally relate to systems for delivering medical devices to the heart, and in particular, to catheter-type delivery systems for placing devices within the left heart. Background technique [0002] In some instances, it may be desirable to deliver and position a medical device within or near the left side of a patient's heart in order to diagnose and / or treat cardiovascular disease. As just one example, in some cases heart failure patients may be treated with cardiac resynchronization therapy (CRT), which is delivered by a set of electrical leads, one of which is placed near the left Ventricles, for biventricular beating. Traditional left ventricular (LV) lead placement is placed laterally into one of the tributaries of the coronary sinus (CS). However, by some estimates, up to 40-50% of CRT patients fail to respond to CRT with conventional CS lead placement. An alternative to traditional CS lead placement is le...

Claims

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Application Information

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IPC IPC(8): A61F2/24A61M25/06
CPCA61B17/00234A61B17/3468A61B2017/00247A61B2017/00331A61M25/0041A61M25/0133A61M29/00A61M2025/0175A61M2025/0681A61M25/0662A61N1/056A61F2/2427A61B18/1492A61B2018/00351A61B2018/00601A61B2018/144A61M25/09A61M2210/125
Inventor A·J·阿斯勒森Z·杨M·基梅尔K·R·马夸德L·福斯特
Owner MEDTRONIC INC
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