基于低功耗单片机的心脏起搏器设计

为提高心脏起搏器的参数调节精度,以及避免在电池电量耗尽时通过手术更换起搏器,该文设计了一种基于低功耗单片机的新型单腔起搏器电路。该电路采用数字化控制,可对起搏脉冲幅值、脉宽及频率做出精确控制。该电路设计了无线充电功能,配合程控器的无线通讯,能够对起搏器进行无线充电并实时了解充电信息,无线充电功能能够减少病人更换起搏器的次数甚至完全避免。

In order to improve the accuracy of the pacemaker's parameter adjustment and to avoid the surgical replacement of the pacemaker when the battery is exhausted, this paper designs a novel single-chamber pacemaker circuit based on low-power single-chip microcomputer. The circuit uses digital control to accurately control the amplitude, pulse width and frequency of the pacing pulse. The circuit is also designed with wireless charging function, and wireless communication with the programmer can wirelessly charge the pacemaker and know the charging information in real time. Wireless charging function can reduce the number of times the patient replaces the pacemaker or even completely avoid it.

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