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Herapeutic Equipment Of Cervical Spondylosis Research And Design

Posted on:2009-09-18Degree:MasterType:Thesis
Country:ChinaCandidate:C L ZhangFull Text:PDF
GTID:2132360242480391Subject:Biomedical engineering
Abstract/Summary:PDF Full Text Request
With the improvement of people's living standards, advances in technology, people's sense of self-care is growing. Cervical spondylosis this increasingly common disease caused people's attention, because of increased competitiveness of the community, young and middle-aged patients with work pressure, long-term Fuan, Suozhi cervical disease has seriously affected people's normal work and the quality of life, has become a social problem. With the lack of clinical treatment, conventional drug treatment, massage has not satisfied the needs of patients, people want a convenient, applicable to the treatment apparatus, not only for hospitals but also for families save time, effort, money and Non-toxic side effects and efficacy good treatment, so as soon as possible the development and production for the public demand for the treatment of cervical meet the needs of patients.Various types of cervical spondylosis. At present there are common cervical nerve root type of cervical disease, spinal cord cervical spondylosis, sympathetic cervical disease, type of cervical vertebral artery disease. Pulsed magnetic therapy is now very popular method of treatment with pain, anti-inflammation, swelling, and the promotion of the role of cell growth. Mainly for the treatment of the disease: the treatment of cervical disease, a relatively good analgesia and reduce the proliferation of the role of fractures, can promote bone formation, promoting blood circulation Relieving Blood Stasis; omarthritis treatment, the general strength of the magnetic field in the 700 to 2000 GS , And can ease the pain; In addition, pulsed magnetic field can also treatment of headache, twisting injury, toothache, and other diseases. IF current sensory nerve stimulation to the skin caused by the vibration is a sense of comfort, this will not stimulate pain fibers from the excitement. So IF current role can use current strength to the larger cause of deep muscle contraction strongly, but will not cause electrode under the burning sense of pain. At present, only low-frequency induced currents excited normal neuromuscular, IF AC (especially frequency of 6000 Hz) may still excited about the degeneration of the muscles. 6000--8000Hz IF the current role, muscle contraction and pain threshold threshold clear separation phenomenon, that is, in this frequency, so that a strong muscle contraction and not cause pain.The cervical spine treatment system according to the functions can be divided into the power circuit design, MCU circuit design, magnetic circuit design, intermediate frequency modulation electrotherapy design, the keyboard and LCD display design, circuit design, and so the police six parts. SCM is the core of intelligent systems, multi-function should be to achieve software, software, hardware and reasonable division of labor and cooperation is very important. 51 SCM application of a broader, the price is cheaper, simple programming, the system chosen 51 SCM AT89C52.Electromagnetic control can be divided into: magnetic launch control circuits, capacitors charge exchange control circuit, the direction of the electromagnetic control circuit. Exchange capacitor charge is part of electromagnetic fields generated energy storage, SCM output signal P1.2, the circuit through the TIL117 control. Effective control signals, the exchange began charging capacitor for the next side of the magnetic signal to prepare for. Electromagnetic launch control circuit controlling the exchange of capacitor discharge, the MCU control signal input through the TIL117 capacitor to control the discharge, the release of power to thread the coil and capacitor circuit, the changes in frequency electromagnetic signals that control the frequency. Electromagnetic field direction control circuit controlling the direction of the magnetic field, through the TIL117 SCM input signal to connect. Electromagnetic treatment in the same set of two electromagnetic coil, treatment at the same time change the two-way signal no sense of direction, a coil circuit only change in the direction of the signal.IF electrotherapy system aims to meet the design requirements of the output of low-frequency modulation of the intermediate frequency waves, and have enough output frequency. The system includes control chip AT89C52, programmable clock generator, DAC multiplication module, power amplifier circuit. IF clock generator which have a signal, DAC multiplication unit to achieve low-frequency modulation and amplitude modulation of the function and eventually through the power amplifier, and then through isolation transformers will be exported to the electrode signal amplification to meet the requirements of the treatment. Low-frequency waves are generated using SCM storage and control of low-frequency output waveform data, the MCU can request real-time translation prescription and monitoring of its completion, real-time control of the waveform output, real-time monitoring and response to the keyboard input information from the software and complete Fang Doudong treatment.This system is independent of keys, stand-button circuit configuration flexibility, the software is simple, because the little button of the system, optimum use of stand-button. The key structure for the interruption of the independent button structure, pull-up resistor ensure the keys disconnected, I / O line I have set HIGH. Trial has proved that this key structure to meet the system's needs. LCD display part of a liquid crystal display, liquid crystal display LCD MG240128 through the LCD controller and eight AT89C52 data linked to the CPU to accept all kinds of instructions, control LCD display, LCD and SCM There are two ways to connect, as a direct Control, as a kind of indirect control methods, the design of the latter.This system is mainly software, including procedures for initialization, interrupt service program design, apparatus, self-inspection program design, display and keyboard control system design, operational procedures for equipment design. Initial design process: When the electricity after the SCM, CPU reset, procedures set up procedures to state the word PSW, the selection process to choose when running on-chip registers, set up various procedures interrupted the entrance address, a disruption. Interrupted programming: the use of timers to control the suspension of T1, low frequency control timer T0, IF frequency, frequency magnetic field. Keyboard design process: MCU read from the keyboard array of numerical process, and in this function related to software to remove jitter, since the two shared a keyboard array data bus, but also determine the specific keyboard Array. Machines running the program design: Instrument start, instrument control procedures implemented procedures, SCM start output signal control IF control signals, DAC converters, the gain control of part of the electromagnetic and exchange of charge and discharge the capacitor, the relay started, have a pulse .Finally, from the perspective of the anti-jamming system, the emergence of interference and its consequences, starting from the hardware design, explore the anti-jamming system design. This paper will be smart for the treatment of cervical disease in the current intermediate frequency electromagnetic modulation therapy and combination therapy, the better to achieve the requirements of different patients, the treatment methods to achieve diversity.
Keywords/Search Tags:Spondylosis
PDF Full Text Request
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