Medical facility for arrhythmia treatment, and ventricle threshold search method for same
A medical device, arrhythmia technology, applied in the fields of therapy, electrotherapy, cardiac stimulator, etc., can solve problems such as test failure and misjudgment, and achieve the effect of avoiding test failure or misjudgment
Active Publication Date: 2017-12-15
MICROPORT SORIN CRMSHANGHAICO LTD
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Problems solved by technology
Failure to distinguish depolarized waves from polarized waves will result in test failure or misjudgment
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[0020] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0021] In the following description, many specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways than those described here, so the present invention is not limited by the specific embodiments disclosed below.
[0022] At present, the automatic search function of ventricular threshold is based on the perception of depolarization waves, which requires the support of circuit hardware and is realized through corresponding algorithms. Embodiments of the present invention describe a medical device for treating arrhythmia and a method for searching a ventricular threshold, which can realize the function of automatically searching for a ventricular thres...
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The invention provides a medical facility for arrhythmia treatment. The facility comprises a microprocessor and a digit / analog module connected to the microprocessor, wherein the microprocessor comprises a main control unit, a time control unit and a first data / information interaction interface, and the digit / analog module comprises a pacing control / generation unit, a perception control / amplification unit and a second data / information interaction interface; and the main control unit comprises a pacing threshold automatic testing unit. After the main control unit sends a pacing signal to the pacing control / generation unit, pacing capture is deemed to take place if no perception event takes place in an RRP after ventricle pacing pulsating, a test threshold of a pacing output value is further reduced, and testing is continued; and if more than one perception event takes place during the RRP after the ventricle pacing pulsating, and more than two ventricle perception events do not take place in any Vp-Vp period, capture is deemed to fail, the pacing threshold is equal to the last output value, and testing is stopped by a pacing threshold automatic testing unit.
Description
technical field [0001] The invention mainly relates to medical equipment, in particular to a medical equipment for treating arrhythmia. Background technique [0002] Cardiac pacemaker is an electronic therapeutic device implanted in the body. It sends out electric pulses powered by batteries through the pulse generator, and through the conduction of the electrode wires, it stimulates the myocardium in contact with the electrodes, causing the heart to excite and contract, thereby achieving therapeutic effect. For the purpose of cardiac dysfunction due to certain arrhythmias. [0003] Patients implanted with a pacemaker need to be followed up regularly, and parameters such as pacing output and perception should be adjusted according to changes in physiological conditions. Generally, after a pacemaker is implanted in a patient, the pacing threshold changes greatly in the first 3 months due to myocardial edema after implantation. Therefore, at this stage, doctors usually use t...
Claims
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Login to View More IPC IPC(8): G06F19/00A61N1/37
CPCA61N1/365A61N1/3702
Inventor 王励孙庆怡黎贵玲
Owner MICROPORT SORIN CRMSHANGHAICO LTD