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Implantable equipment and wireless electric energy transmission device thereof

A technology of wireless energy transmission and implanted equipment, applied in the direction of circuit devices, electrical components, etc., can solve problems such as electromagnetic radiation, human body impact, and electromagnetic safety issues

Inactive Publication Date: 2018-10-30
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, when implantable devices are powered wirelessly, electromagnetic radiation will inevitably be generated, which may affect the human body, and there are electromagnetic safety issues

Method used

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  • Implantable equipment and wireless electric energy transmission device thereof
  • Implantable equipment and wireless electric energy transmission device thereof
  • Implantable equipment and wireless electric energy transmission device thereof

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Embodiment Construction

[0027] It should be noted that, in the case of no conflict, the implementation modes in the present application and the features in each implementation mode can be combined with each other.

[0028] Hereinafter, the present application will be described in detail with reference to the accompanying drawings and in combination with embodiments.

[0029] simulation model

[0030] Figure 1a-Figure 1c is the simulation model of the human body and the wireless power transfer device, where Figure 1a is the overall schematic diagram of the simulation model, Figure 1b is the cross-section of the simulation model, Figure 1c is the coil model. The simulation model includes a transmitting unit 1, a receiving unit 2, a cardiac pacemaker housing 3, biological materials 4 and human tissue 5, wherein the transmitting unit 1 includes a transmitting coil and a ferrite film at the transmitting end, and the receiving unit 2 includes a receiving coil and a receiving terminal ferrite film. ...

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Abstract

The invention discloses implantable equipment and a wireless electric energy transmission device thereof. The wireless electric energy transmission deice comprises an electric energy transmission unitand an electric energy receiving unit, wherein the resonant frequency of the wireless electric energy transmission device is not more than 660kHz and not less than 131kHz. Based on electromagnetic safety of a human body, the implantable equipment and the wireless electric energy transmission device thereof provided by the invention determine a safe working band of the wireless electric energy transmission device via simulation by using a specific absorption rate (SAR) and temperature rise of human tissue in electric energy transmission as reference, and the electromagnetic safety of the implantable wireless electric energy transmission device is ensured.

Description

technical field [0001] The present invention relates to the field of wireless charging, in particular to an implantable device and a wireless power transmission device thereof. Background technique [0002] With the advancement of medical technology, more and more implantable devices have been widely used, such as cardiac pacemakers, cardiac defibrillators, brain pacemakers and other implantable devices. [0003] At present, implantable devices are generally powered by disposable batteries. When the battery energy is insufficient, a second operation is required to replace the battery, which brings pain and financial burden to the patient. Therefore, the power supply of implantable devices has always been one of the key technical problems that implantable devices need to solve, and wireless charging is one of the optional solutions for power supply of implantable devices. [0004] Wireless power transmission technology is a new type of energy supply technology, which has att...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J50/12
CPCH02J50/12H02J50/005
Inventor 肖春燕程丁宁
Owner BEIHANG UNIV