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Cardiac pacemaker

A technology of cardiac pacing and system switching, applied in the field of medical devices, can solve problems such as unreasonable detection frequency of atrioventricular conduction recovery, and achieve the effect of reducing unreasonable ventricular excitation, reasonable detection frequency, and reducing right ventricular pacing.

Active Publication Date: 2019-05-24
MICROPORT SORIN CRMSHANGHAICO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to provide a cardiac pacing system to solve the problem of unreasonable detection frequency of atrioventricular conduction recovery in existing cardiac pacemakers

Method used

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Embodiment Construction

[0026] In order to make the purpose, advantages and features of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the drawings are all in very simplified form and not drawn to scale, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention. In addition, the structures shown in the drawings are often a part of the actual structure. In particular, each drawing needs to display different emphases, and sometimes uses different scales.

[0027] As used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the content clearly dictates otherwise. As used in this specification and the appended claims, the term "or" is generally used in its sense including "and / or", unless the content clearly indicates otherwise, the ter...

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Abstract

The invention provides a cardiac pacemaker which comprises a control module and a perception module. The cardiac pacemaker can be switched into second modes to work during atria ventricular block, atria ventricular conduction recovery can be simultaneously detected by the perception module under the control of the control module by means of AV (atria ventricular) conduction section search according to preset periods, the cardiac pacemaker can be switched into first modes to work when atria ventricular conduction recovery is detected by the perception module, the preset periods include C waiting intervals which are sequentially arranged, a waiting interval is available after each section of AV conduction section search, each later waiting interval is not shorter than the corresponding previous waiting interval, and the last waiting interval in the preset periods is longer than the first waiting interval. Compared with existing cardiac pacemakers, the cardiac pacemaker in the configuration has the advantages that the cardiac pacemaker is reasonable in atria ventricular conduction recovery detection frequency, and right ventricular pacing can be reduced as far as possible on the basisthat the atria ventricular stability is guaranteed.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to a cardiac pacing system. Background technique [0002] The cardiac pacing system (cardiac pacemaker) is an electronic therapy device implanted in the patient's body. It sends out electric pulses powered by the battery through the pulse generator, and stimulates the myocardium contacted by the electrodes through the conduction of the wire electrodes, so that the heart is excited and stimulated. Contraction, so as to achieve the purpose of treating cardiac dysfunction caused by certain arrhythmias. [0003] Physiological pacing is an important development direction in the field of cardiac pacemakers, and reducing right ventricular pacing is one of the important aspects. Many existing pacemakers are committed to developing the function of reducing right ventricular pacing, such as Sorin's SafeR, Dplus; medtronic's MVP; Biotronic's VP Suppression and so on. The basic idea of ​​these ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N1/362A61N1/37
Inventor 黄敏熊健劬黎贵玲
Owner MICROPORT SORIN CRMSHANGHAICO LTD
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