Electromagnetic energy wireless transmitter for human-body insertion motion device
A technology of electromagnetic energy and wireless transmission, applied in the fields of mechanical, electrical technology and clinical medicine, it can solve the problems of difficulty in winding three-dimensional orthogonal coils, and achieve the effect of good insulation protection and avoidance of winding.
Inactive Publication Date: 2009-05-27
SHANGHAI JIAOTONG UNIV
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Problems solved by technology
Practical 3D orthogonal coil winding is very difficult considering the size of the coil itself
Method used
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[0021] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0022] Overall structural design of the present invention is as figure 1 shown. The transmitting coil 1 and the transmitting resonant circuit 6 constitute the part of the device outside the human body environment 4, which is used for transmitting electromagnetic energy. The part inside the human body environment 4 is composed of the floating coil support frame 2, the receiving coil 3 and the rectification and filtering circuit 5, which are used for receiving and rectifying and filtering electromagnetic energy, so as to provide stable DC voltage for interventional devices. The output of the transmitting resonant circuit 6 is connected to the transmitting coil 1, and the transmitting resonant circuit 6 is used to generate a sine wave to excite the transmitting coil 1 to generate an alternating magnetic field. The receiving coil 3 is ...
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The invention comprises an external part of human body composed of transmitting coil and a transmitting resonant circuit, an internal part of human body composed of a receiving coil, a floating type coil supporter and a rectification filter circuit. The weight balancing is made for the receiving coil in order to make its gravity center located under the geographical center and above the axial line; the floating type coil has three rings which are inner, middle and outer rings; between two rings there is a inter-ring supporter; in the inter-ring supporter, the support pin is closely inserted into the support pin socket which is fixed on one of rings and protected by an insulated sleeve; the support column is secured on a neighboring ring and protected by an insulted sleeve; the support pin and the support column make point contact. The lead wire of the receiving coil is led out through the support pin, support pin socket and the support column; under force of the off-center gravity, the receiving coil self-adaptively keep a pose in order to mostly receive the magnetic flux from the external transmitting coil.
Description
technical field [0001] The invention relates to a wireless electromagnetic energy transmission device, in particular to a wireless energy transmission device based on electromagnetic field coupling and distance for human interventional movement devices, which belongs to the fields of mechanical, electrical technology and clinical medicine. Background technique [0002] Interventional medical devices for the human body, including long-term implantable devices, such as artificial heart, artificial anus, and medium and short-term procedural devices, such as microelectronic capsule endoscope, capsule gastrointestinal motility detection device, robot endoscope, etc. , have played a pivotal role in improving people's health and preventing diseases. [0003] At present, the energy supply of these devices is divided into two types: cable energy supply and battery energy supply. The former, due to the obstruction of the movement of the device by the cable, limits the flexibility and...
Claims
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IPC IPC(8): H02J17/00H02J50/12
Inventor 颜国正王坤东
Owner SHANGHAI JIAOTONG UNIV