Anti-dislocation left ventricle electrode wire

A technology of electrode lead and left ventricle, applied in the field of anti-dislocation left ventricular electrode lead, can solve the problems of unstable electrode fixation, dislocation CRT, failure, etc., and achieve the effect of enhancing the fixation effect and enhancing the fixation effect

Inactive Publication Date: 2015-09-30
THE SECOND AFFILIATED HOSPITAL OF THIRD MILITARY MEDICAL UNIV OF PLA
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Problems solved by technology

[0005] The embodiment of the present invention provides an anti-dislocation left ventricular electrode lead to solve the problem

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  • Anti-dislocation left ventricle electrode wire
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[0028] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0029] figure 1 It is a schematic diagram of an anti-dislocation left ventricular electrode lead provided by an embodiment of the present invention, which is used to connect a pacemaker and deliver the electrical signal of the pacemaker to an appropriate position in the heart to provide therapeutic stimulation to the he...

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Abstract

The embodiment of the invention discloses an anti-dislocation left ventricle electrode wire which comprises a spindly catheter, wherein the catheter comprises a near end and a remote end; the near end is configured as a connector connected with a heart pacemaker; an end pacing electrode is arranged at the tip of the remote end; the remote end is bent twice to form a first oblique angle and a second oblique angle in sequence; lateral fixing wings are arranged on the side, approaching the near end, of the second oblique angle, and comprise folded elastomers which protrude in the normal direction of the catheter; when the folds of the elastomers extend or contract in the axial direction of the catheter, the lateral fixing wings contract or extend correspondingly in the normal direction of the catheter. The anti-dislocation left ventricle electrode wire provided by the embodiment of the invention adopts the design of double oblique angles, so that the position fixed effect of the anti-dislocation left ventricle electrode wire in a target vein can be greatly enhanced; moreover, the lateral fixing wings are arranged on the side, approaching the near end, of the second oblique angle, and the folds of the lateral fixing wings extend and are supported on the wall of a target vessel during use, so that the position fixed effect of the anti-dislocation left ventricle electrode wire can be further enhanced.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a dislocation-preventing left ventricle electrode lead. Background technique [0002] Cardiac resynchronization therapy (CRT) is the treatment of heart failure patients with asynchronous ventricular systole through ventricular pacing, which is a revolution in the field of heart failure treatment. During cardiac resynchronization therapy, a pacemaker provides therapeutic stimulation to the heart by delivering pacing, cardioversion, or defibrillation pulses through implantable leads. The pulses are delivered to the heart via electrodes disposed on the lead, such as typically near the distal end of the lead. In this case, the lead leads allow the electrodes to be positioned in various locations relative to the heart to enable the pacemaker to deliver pulses to the appropriate locations. If the electrodes are dislocated during the treatment process due to poor fixation of t...

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Application Information

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IPC IPC(8): A61N1/372
Inventor 耿召华刘小燕成小凤胡建波张源萍何永铭
Owner THE SECOND AFFILIATED HOSPITAL OF THIRD MILITARY MEDICAL UNIV OF PLA
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