Two-path dual-active non-contact power system for cardiac pacemaker
A pacemaker, non-contact technology, applied in the direction of electrotherapy, treatment, etc., can solve the problems of power exhaustion and low reliability, and achieve the effect of improving reliability
Inactive Publication Date: 2013-01-30
HENAN INST OF ENG
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Problems solved by technology
[0005] The technical problem to be solved by the present invention is that the pacemaker power supply system with non-contact power supply has the problems of power exhaustion and low reliability. It provides a dual-channel mutual backup non-contact cardiac pacemaker power supply system with dual power supply systems. Effectively improve the reliability of the pacemaker power supply
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[0014] like figure 1 As shown, the present invention includes two external power supply devices 31, and also includes an internal power receiving device 5. The two external power supply devices 31 communicate with each other through a wireless signal transceiver circuit 10. The external power supply device 31 includes a wireless communication and control module 1 and The non-contact power supply module 2, the non-contact power supply module 2 includes a level conversion and isolation circuit 15, the level conversion and isolation circuit 15 is connected to the MOS switch tube 16, the MOS switch tube 16 is connected to the high-frequency power supply device 12, and the high-frequency The power supply device 12, the MOS switching tube 16 are connected to the DC power supply 14, the DC power supply 14 is connected to the sampling filter circuit 11, the sampling filter circuit 11 is connected to the A / D interface 7 in the wireless communication and control module 1, and the high-fr...
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The invention discloses a two-path dual-active non-contact power system for a cardiac pacemaker, and belongs to the field of non-contact power supply. The power system comprises two in-vitro power supply devices and an in-vivo power receiving device, wherein the in-vitro power supply devices transmit signals through a wireless signal transceiver circuit; and each in-vitro power supply device comprises a wireless communication and control module and a non-contact power supply module. The in-vitro power supply devices work independently, and monitor and communicate with each other, and when the under-voltage or over-voltage of one in-vitro power supply is detected, the other in-vitro power supply is instantly switched into a working state. By such a dual-active dual-power supply mode, the accidents of stop of the pacemaker and harm to personal safety, which are caused by the failure of single-power supply, can be effectively prevented, and the reliability of a power supply of the cardiac pacemaker is effectively improved.
Description
technical field [0001] The invention belongs to the field of non-contact power supply, and in particular relates to a non-contact cardiac pacemaker power supply technology. Background technique [0002] At present, cardiac pacemakers generally adopt a battery-powered mode, and the battery may run out of power. The non-contact power transmission technology can realize the non-contact transmission of power from the external power source to the internal cardiac pacemaker, and provide continuous power supply for the cardiac pacemaker. The cardiac pacemaker circuit with non-contact power supply will greatly reduce the pain of repeated operations for heart patients due to battery replacement, and can also avoid accidents caused by the exhaustion of battery power in the body. [0003] Scholars have studied the non-contact power transmission system powered by cardiac pacemakers. The research results are one external power supply device and one internal power receiving device. S...
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IPC IPC(8): A61N1/378
Inventor 周成虎李松涛黄明明瓮嘉民雷万忠李贵强薛保兴李娜王克甫李小魁
Owner HENAN INST OF ENG