Uplink Near Field Communication Receiver for Implantable Medical Instruments
An implantable medical and near-field communication technology, which is applied in the field of uplink near-field communication receivers, can solve the problem that the receiver does not meet the needs of uplink near-field communication, and achieve the effect of low bit error rate and high input impedance
Inactive Publication Date: 2017-06-16
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology
[0006] One of the purposes of the present invention is to provide an uplink near-field communication receiver for implantable medical instruments to solve the technical problem that the general receiver in the prior art does not meet the uplink near-field communication requirements
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[0041] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0042] An embodiment of the present invention provides an uplink near-field communication receiver for implantable medical instruments, such as figure 1 As shown, it includes: an external coil 10, a filter 20 and a digital demodulator 30, wherein,
[0043]The first signal input end of the filter 20 is connected to the first end 11 of the external coil 10, the second signal input end is connected to the second end 12 of the external coil 10 and connected to the common terminal voltage GND; the signal output end of the filter 20 is connected to the The signal input terminal of digital demodulator 30 is connected;
[0044] The external coil 10 is used to couple the wireless...
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The invention relates to an uplink near-field communication receiver for an implantable medical instrument. The uplink near-field communication receiver comprises an external coil, a filter and a digital demodulator, wherein the first signal input end of the filter is connected with the first end of the external coil; the second signal input end of the filter is connected with the second end of the external coil, and is connected with a common end voltage; the signal output end of the filter is connected with the signal input end of the digital demodulator; the external coil is used for transmitting wireless energy supply carrier waves and receiving uplink communication carrier waves from an internal coil in a coupling way; the filter is used for restraining the wireless energy supply carrier waves and amplifying the uplink communication carrier waves; and the digital demodulator is used for demodulating the uplink communication carrier waves in order to obtain transmitted data. The embodiment of the invention is suitable for near-field communication, and high input impedance, high interference resistance and high receiving sensitivity are realized.
Description
technical field [0001] The invention relates to an intelligent implantable medical instrument, in particular to an uplink near-field communication receiver for the implantable medical instrument. Background technique [0002] Smart implantable medical devices generally have two types of functions: biosensing and biostimulation. Biosensing is used to detect biological signs, such as collecting EEG nerve signals; biostimulation is used to regulate biological signs, such as counteracting irregular tremors of heart muscles. In order to realize the above two types of functions, implantable medical devices usually consist of extracorporeal devices and in vivo devices implanted into the human body. Among them, the external equipment provides energy and adjusts the treatment state, including energy supply, near-field communication and control unit; the internal equipment is used to realize sensing and excitation, including energy capture, near-field communication, sensor, actuator ...
Claims
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IPC IPC(8): H04B1/16H04B5/00
Inventor 刘大可龚辰苗志东
Owner BEIJING INSTITUTE OF TECHNOLOGYGY