The technical problem to be solved by the diagnostic electrophysiology catheter is to overcome the defect that the annular mapping catheter in the prior art center is difficult to effectively monitor the electrical signal between the left atrium and pulmonary veins. The article will bring you more knowledge about diagnostic electrophysiology catheter.

Here is the content:

• General situation of electrophysiology market

• Product performance structure and composition structure

• Application of diagnostic electrophysiology catheter

General situation of electrophysiology market

Arrhythmias mainly include tachyarrhythmia (heart rate greater than 100 beats/min) and chronic arrhythmia (heart rate less than 60 beats/min). Among them, the focus is on tachyarrhythmia, including ventricular arrhythmia and supraventricular arrhythmia, in which the malignant degree of ventricular arrhythmia is higher and more acute, and supraventricular arrhythmia is mostly elective surgery, which is not urgent. Therefore, non-urgent and postponable supraventricular surgery has been relatively affected in this year's epidemic. The main arrhythmia diseases include atrial fibrillation, atrial flutter, premature beat, supraventricular tachycardia and ventricular tachycardia. In 2018, the number of patients with arrhythmia in China exceeded 24 million, and arrhythmia is an age-related disease. With the increase of life expectancy and the aging population, the number of patients with arrhythmia in China will continue to increase. It is estimated that the number of patients with arrhythmia in China will reach 45 million in the future, and the prevalence rate and diagnosis and treatment rate will be greatly increased. At present, electrophysiological surgery is effective in the treatment of supraventricular tachycardia with clear mechanism and simple operation, such as double atrioventricular nodal reentry and atrioventricular reentry. The effectiveness of one-year follow-up can reach more than 90% or even more than 95%. The effectiveness of paroxysmal atrial fibrillation has been continuously improved in recent years, from about 80% to about 90%. However, the success rate of persistent atrial fibrillation is still relatively low, only about 70%, although it is not as high as many doctors say.

Product performance structure and composition structure

1. The electrophysiological diagnostic catheter consists of connector, handle, tube, and electrode. The electrode material is 90% platinum /10% Iridium alloy, and the tube material is Pebax and stainless steel woven layer.

2.There are two kinds of electrophysiological diagnostic catheters: fixed bend mapping catheters and adjustable bend mapping catheters.

3. Fixed bend mapping catheter can be divided into four bending types: A, D, F, P.  The number of electrodes was 4 poles and 10 poles. The outer diameter is 5F, 6F. The catheter length was 60cm and 115cm.

4. The adjustable bending mapping catheter is D-bending, with 4 and 10 electrodes. The outer diameter is 6F, the catheter length is 115cm.

Application of diagnostic electrophysiology catheter

Diagnostic electrophysiology catheter is suitable for temporary intravenous use, combined with external pacemakers and electrophysiological examination and recording instruments to stimulate and induce intracardiac signals.

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