Implementable medical equipment with ventricular tachycardia diagnosis function

A technology of medical equipment and diagnostic function, which is applied in the field of improvement of implanted medical equipment, and can solve problems such as mistreatment of supraventricular tachycardia, patient pain, waste of energy for implanted medical equipment, etc.

Pending Publication Date: 2020-09-29
苏州无双医疗设备有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Mistreatment of supraventricular tachycardia is possible if the distinction between ventricular tachycardia and supraventricular tachycardia is not possi...

Method used

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  • Implementable medical equipment with ventricular tachycardia diagnosis function
  • Implementable medical equipment with ventricular tachycardia diagnosis function
  • Implementable medical equipment with ventricular tachycardia diagnosis function

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Embodiment Construction

[0047] The present invention uses as figure 1 The shown ICD is used as an example to illustrate the technical solution of the present invention, and it is obvious that ICM, CRT-D or Pacemaker etc. are implanted into medical devices. It is also applicable in the present invention as an example. The implanted position of different implantable medical devices is different from the location where the electrocardiogram signal is sensed, and the electrocardiogram signal sensed by it is also different, but those skilled in the art can make appropriate modifications according to different electrocardiogram signals. That is, the heart rate sensing signals at different implanted positions can be used as the data basis for the diagnosis of ventricular tachycardia in the present invention. ICD diagnoses malignant cardiac events such as ventricular fibrillation and ventricular tachycardia based on heart rate signals and electrocardiographic signals, and provides corresponding treatment at...

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Abstract

The invention relates to implementable medical equipment with a ventricular tachycardia diagnosis function. According to the implementable medical equipment with the ventricular tachycardia diagnosisfunction, ventricular tachycardia counting and template matching algorithms are combined, and heart rate suddenness judgement and multistage ventricular tachycardia counting thresholds are set; ventricular tachycardia counting is conducted if a sudden heart rate is acquired, and when a ventricular tachycardia count value reaches a sampling threshold, QRS waveform sampling is conducted; when the ventricular tachycardia count value reaches a matching threshold, sampled real-time heart rate QRS waveforms match sinus heart rate QRS waveform templates; and when the ventricular tachycardia count value reaches a diagnosis threshold, if the number of sampled QRS waveforms which cannot match QRS waveform templates reaches a ventricular tachycardia threshold, ventricular tachycardia is diagnosed. Bymeans of the scheme, supraventricular tachycardia and ventricular tachycardia can be distinguished, so that therapeutic errors are prevented.

Description

technical field [0001] The invention belongs to the field of medical equipment, in particular to the improvement of implanted medical equipment with the function of diagnosing ventricular tachycardia. Background technique [0002] An implanted medical device, such as an ICD implantable cardiac defibrillator (ICD) or implantable cardiac monitor (ICM) or cardiac pacemaker (cardiac pacemaker), senses ECG signals. And diagnose cardiac events through ECG signals, and provide treatment if necessary. For example, ICD is connected to myocardial tissue through wires, senses the inner electrical signal, and diagnoses malignant cardiac events such as ventricular fibrillation and ventricular tachycardia through the inner electrical signal. In the process of ventricular tachycardia diagnosis, it is necessary to distinguish between ventricular tachycardia and supraventricular tachycardia, because supraventricular tachycardia does not require treatment, and ventricular tachycardia require...

Claims

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Application Information

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IPC IPC(8): A61N1/365
CPCA61N1/365A61N1/36592
Inventor 洪峰平利川
Owner 苏州无双医疗设备有限公司
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