CN100411596C - Bi-directional digital wireless pressure monitoring system for biology implantation joint - Google Patents

Bi-directional digital wireless pressure monitoring system for biology implantation joint Download PDF

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CN100411596C
CN100411596C CN 200510130629 CN200510130629A CN100411596C CN 100411596 C CN100411596 C CN 100411596C CN 200510130629 CN200510130629 CN 200510130629 CN 200510130629 A CN200510130629 A CN 200510130629A CN 100411596 C CN100411596 C CN 100411596C
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piezoelectric ceramic
joint
vitro
digital
chip
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CN1806776A (en
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王志华
虹 陈
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清华大学
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THIR OWN ENERGY USE
    • Y02D70/00Techniques for reducing energy consumption in wireless communication networks
    • Y02D70/40According to the transmission technology
    • Y02D70/44Radio transmission systems, i.e. using radiation field

Abstract

生物体植入关节双向数字无线压力监视系统,涉及低功耗电路设计、压电陶瓷间歇供电电路设计以及数据无线传输电路设计,属于医用植入关节压力监视系统技术领域,系统包括体内部分:压电陶瓷装置、能量存储装置、模数混合芯片、天线;体外部分:体外收发无线数据传输装置、计算机控制与处理装置;系统有三种工作方式:压电陶瓷装置、能量存储装置和模数混合芯片联合工作方式,模数混合芯片、天线、体外收发无线数据传输装置以及计算机控制与处理装置联合工作方式,系统休眠方式。 Organisms bidirectional digital wireless implantable joint pressure monitoring system, to a low-power circuit design, the circuit design of the piezoelectric ceramic intermittent power supply and a data radio transmission circuit design, part of a medical implant articular BACKGROUND pressure monitoring system, the system comprising the body part: Pressure It means ceramics, energy storage device, hybrid analog-digital chip, an antenna; part vitro: In vitro transceiving wireless data transmission apparatus, a computer control and processing means; system has three operating modes: a piezoelectric ceramic device, an energy storage device and the analog-digital mixed chip joint work joint work, mixed analog-digital chip, an antenna, a transceiver for wireless data transmission means in vitro and computer control and processing device, system hibernation mode. 本发明为生物体植入关节的工作状况进行早期检测,功耗低,首次实现生物体植入关节内和体外之间的通信,使体外计算机能通过无线方式获取压力数据对植入关节进行合理诊断。 The present invention is a biological implant joint operating condition is detected early, low power consumption, for the first time communication between the implanted biological intraarticular and in vitro, the extracorporeal computer acquiring pressure data wirelessly via implanted joint reasonable diagnosis.

Description

生物体植入关节双向数字无线压力监视系统技术领域本发明涉及一种生物体植入关节双向数字无线压力监视系统,尤其涉及低功耗电路设计、 压电陶瓷间歇供电电路设计以及数据无线传输电路设计,属于医用植入关节压力监视系统技术领域。 Organisms bidirectional digital wireless implantable joint pressure monitoring system Technical Field The present invention relates to a bidirectional digital wireless joint implant organism pressure monitoring system, in particular, relates to a low-power circuit design, the circuit design of the piezoelectric ceramic intermittent power supply and a data radio transmission circuit design, belonging medical implant articular pressure monitoring systems field. 背景技术肢体伤残是影响残疾人生活质量的重要疾病之一,人工关节以及义肢是为关节损伤的人重新建立运动机能的重要手段。 One of the important disease BACKGROUND physical disability affecting the quality of life of persons with disabilities, as well as artificial joint prostheses is an important means for the people to re-establish joint injury motor function. 人工关节植入人体后,处于长期工作状态下,采用集成电路技术在人体植入关节与外部世界之间建立一个信号传输的物理通道,对植入关节的工作条件、 压力、错位等情况进行早期检测,是减少病人痛苦的一个有效手段。 After the artificial joint implanted in the body, in the state of long-term, using integrated circuit technology to establish a physical path for signal transmission between the joint body and the outside world implant, joint implant situation working conditions, stress, dislocation early testing is an effective means to reduce patient suffering. 国内目前有关人体关节的研究主要集中在机器人关节控制系统、关节化的虚拟人臂的仿真和建模、机械手的拾放和避障动作的控制、机械臂和机器人中的关节判断运动算法。 Domestic current research related to human joints mainly in robot joint control system of the virtual human arm joint simulation and modeling, pick and place robot control and obstacle avoidance actions, and a robot manipulator in a joint judgment motion algorithms. 将微电子技术应用在人体植入系统方面,清华大学微电子所自主研制并开发了解决聋人听力的人工耳蜗、用于探测胃肠道问题的胃内窥镜等芯片,以及有关神经电极技术的研究。 The microelectronics technology in human implantation systems, Microelectronics, Tsinghua University, independent research and development of cochlear solve the deaf hearing for detecting gastrointestinal endoscopy stomach problems, such as chips, and related nerve electrode technology Research. 在国外, 对生物体内植入系统的研究种类很多,这些系统主要包括:各类植入式测量系统、植入式剌激器、植入式药疗(控制)装置、植入式人工器官及辅助装置。 In foreign countries, the kind of in vivo studies of many implant system, which system includes: measuring various types of implantable systems, implantable stimulation devices, implantable medication (control) apparatus, and implantable artificial organs assisting equipments. 美国Nebraska-Lincoln大学机械系在研究压电陶瓷产生低频电能的应用,提到了在人体植入关节内装入压电陶瓷设备可以为电路供电,并提供了简单的模型。 Department of Mechanical Engineering University of Nebraska-Lincoln U.S. application that generates a low-frequency electrical energy Piezoelectric ceramics, piezoelectric ceramics mentioned loading device implantation in the body can be joint to power the circuit, and provides a simple model. 但是此模型只限于实验阶段,没有考虑到实际应用环境,很多参数没有根据实际情况设定,并存在以下三个问题:1、只是实验环境的功能性应用, 没有考虑可实际应用的低功耗、低电压和低噪声的电路设计;2、没有考虑体外电路的设计, 即如何将关节内数据无线传输到体外;3、缺乏电源电路的设计。 But this model is limited to the experimental stage, without taking into account the actual application environment, a lot of parameters are not set according to the actual situation and the presence of the following three questions: 1, but functional application test environment, without considering the practical application of low power consumption , low voltage and low noise circuit design; 2, the circuit design is not considered in vitro, i.e., how the data is transmitted wirelessly to the joint in vitro; 3, the lack of power supply circuit design. 这些问题将在本课题中得到解决。 These issues will be addressed in this project in. 目前还没有看到利用微电子技术对植入关节进行检测的研究。 We have not yet seen on the implanted joint study testing the use of microelectronics. 本发明可以应用在能在日常生活中给予植入关节内压电陶瓷装置压力的植入关节中,如人体膝关节、髋关节等,发明内容本发明的目的在于提供一种双向无线通信的、可控且可实时处理并存储生物体内人工关节压力数据的双向数字式无线压力监视系统及其实现方法。 The present invention can be applied in the joint implant implantation can give a joint of the piezoelectric ceramic pressure apparatus, such as the human knee, hip, etc. in daily life, the present invention SUMMARY OF THE INVENTION An object is to provide a two-way wireless communication, controlled and real-time processing and storing bidirectional digital wireless system pressure monitoring in vivo artificial joint pressure data and its implementation. 本发明所述的双向数字式无线植入关节压力监视系统,它是一种双向无线通信的、可控且可实时处理并存储生物体内植入关节压力数据的双向数字式无线压力监视系统,其特征在于,该系统有包括体内体外两个部分组成:(一) 体内部分:(1) 压电陶瓷装置,包括3个压电陶瓷元件,它们既是传感器传输压力数据又能在压力下产生能量;压电陶瓷装置的三个输出端分别和下面模数混合芯片的输入端以及能量存储装置的输入端相连;(2) 能量存储装置,包括整流电路、能量存储电路,压电陶瓷装置的三个输出端输出的电流经过整流电路后给能量存储电路,能量存储装置为模数混合芯片供电,其供电模式是间歇式的;能量存储装置的输出端连接模数混合芯片的电源输入端;(3) 模数混合芯片,其功能是将压力数据经过处理存储在非易失性存储单元里,并能通 The present invention is a bidirectional digital wireless implantable articular pressure monitoring system, which is a two-way wireless communications, controllable and real-time processing and storage of a biological implanted bidirectional digital wireless system pressure monitoring joint stress data, which characterized in that the system comprises two parts ex vivo :( a) in vivo: (1) piezoelectric ceramic device comprising a piezoelectric ceramic element 3, they are both the sensor can transmit pressure data to generate energy under pressure; three output terminals of the piezoelectric ceramic device respectively and mixed under the chip module input terminal and an input terminal connected to the energy storage means; three (2) an energy storage means includes a rectifier circuit, energy storage circuit, the piezoelectric ceramic device a current output terminal through the rectifier circuit to the energy storage circuit, the energy storage device is an analog-digital mixed chip power supply, the power supply mode is intermittent; output terminal of the energy storage device is connected to the power input of the analog to digital mixed chip; (3 ) hybrid chip module, the function of which is processed pressure data stored in the nonvolatile memory means in and can pass 射频模块将非易失性存储单元里的数据传出体外,同时它还负责检测压电陶瓷元件是否被磨穿并进行电源电路的管理;芯片采用Synopsys公司及Cadence公司的软件分别进行数字部分和模拟部分的设计、综合、仿真、做版图,最终流片而成。 The radio frequency module in the nonvolatile memory cell data out in vitro, while it is responsible for detecting whether the piezoelectric ceramic element is worn out and manage the power supply circuit; chip Synopsys, Inc. and Cadence's software and digital portions are the design of the analog portion, synthesis, simulation, layout do, eventually taped together. 芯片电源电路的设计,克服了背景技术部分提到的模型缺乏此设计的缺点。 Power circuit chip design, the model is to overcome the background section of this design is the lack of the mentioned drawbacks. (4) 体内天线,体内天线和模数混合芯片内的无线收发装置连接在一起的;(二) 体外部分体外部分主要为信号接收和处理装置,包括:(1) 体外天线,体外天线和体外收发无线数据传输装置相连;(2) 体外收发无线数据传输装置,由射频电路和大容量存储单元串联而成,射频电路由Cadence公司的软件设计;此装置用来发射射频信号并接收传输体内数据;它和计算机控制与处理装置相连;(3) 计算机控制与处理装置,由监视器、主机以及和主机相连的无线数据收发卡组成, 此部分用来处理来自体内部分的数据,供医生分析诊断。 (4) an antenna body, an antenna and a radio vivo in mixed analog-digital chips connected together; (b) in vitro as part of the main portion vitro signal receiving and processing apparatus, comprising: (1) external antenna, external antenna and in vitro transceiving wireless data transmission means connected; (2) in vitro transceiving wireless data transmission means, the RF circuit in series and a mass storage unit is made by the RF circuit design software that Cadence's; this means for transmitting radio frequency signals and receives the transmission data vivo ; and a computer control which is connected with the processing device; (3) computer control and processing device, a wireless data transceiver coupled to the card by the monitor, as well as host and host component, this part of the body to process the data from the portion of the analysis and diagnosis for doctors . 本发明所述的双向数字式无线植入关节压力监视系统的工作方式,其特征在于:它根据下述三种工作方式中的任何一种来工作:1) 压电陶瓷装置、能量存储装置和模数混合芯片联合工作方式。 Bidirectional digital wireless implantable joint work pressure monitoring system according to the present invention, which is characterized in that: it works according to three of any one of the following to: 1) a piezoelectric ceramic devices, energy storage device and mixed analog-digital chips joint work. 在此工作方式发生在病人曰常生活中,当病人运动使得压电陶瓷受压时,压电陶瓷能够产生能量,这些能量会存储在能量存储电路中并为模数混合芯片供电,模数混合芯片内的电压调整器将这些能量转换为芯片需要的电压电流并供能。 In this mode of operation occurs in patients with normal daily life, when the patient motion is pressurized so that the piezoelectric ceramic, the piezoelectric ceramic capable of generating energy, the energy stored in the energy storage circuit and the analog-digital mixed chip is powered, hybrid analog-digital voltage regulator inside the chip these chip energy into voltage and current required and energized. 模数混合芯片会处理来自传感器的压力数据并将其存储在非易失性存储单元中。 Analog-digital mixed chip can process pressure data from the sensors and stored in the nonvolatile storage unit. 此工作方式不影响病人的日常生活。 This work does not affect the patient's daily life. 2) 模数混合芯片、天线、体外收发无线数据传输装置以及计算机控制与处理装置联合工作方式。 2) mixed analog-digital chip, an antenna, a transceiver for wireless data transmission means in vitro and computer-controlled manner with the joint work processing apparatus. 此方式发生在医生为病人问诊时,医生利用体外收发无线数据传输装置将射频信号发送给体内的模数混合芯片,模数混合芯片从射频信号中获取能量开始工作,将存储在非易失性存储单元里的数据发送到体内外无线收发数据传输装置,经过无线数据收发卡传输到计算机。 This mode occurs when the patient inquiry doctor, the doctor vitro transceiving wireless data transmission means transmits a radio frequency signal to the analog-digital mixed chip body, mixed analog-digital chip energy from the radio frequency signal to work, will be stored in non-volatile transmitting the data in the memory cell to the data transmission in vivo radio device, data transmitted through the wireless transceiver card to a computer. 3)系统休眠模式。 3) SLEEP mode. 此工作方式发生在上面所述的两种工作情况以外的情况,即既没有压力给压电陶瓷装置,又不是问诊时间。 This occurs in the case of works other than the above two kinds of operation, i.e. neither pressure on the piezoelectric ceramic device, are not time interrogation. 此时,系统没有能量产生,处于断电状态。 At this time, the energy generating system is not, in the power off state. 发明效果:1)系统可以为生物体植入关节的工作状况进行早期检测,包括植入关节在体内的工作能力(如行走)、异常不对称的压力、异常高压、松动和角度误差等,系统为医生提供植入关节压力的实时监视数据,可尽早减轻病人痛苦。 Effect of the Invention: 1) The system may be implanted for operating conditions of the joint early detection of organisms, including the ability to work in a joint implant body (e.g., walking), abnormal asymmetrical pressure, abnormal high pressure, loosening and angular errors, the system provide for doctors implanted joint pressure of real-time monitoring data, can alleviate the suffering of patients as early as possible. 系统具有三种不同的工作方式。 The system has three different ways of working. 第一种是压电陶瓷装置、能量存储装置和模数混合芯片联合工作方式。 The first piezoelectric ceramic devices, energy storage device and mixed analog-digital combined mode of operation the chip. 此方式是指病人在日常生活中, 植入关节在正常运动时会产生压力,系统能够在压电陶瓷供电情况下采集压力数据并进行处理和存储。 This embodiment refers to patients in their daily lives, the implant will produce a pressure joint during normal movement, the system can acquire pressure data in a case where the piezoelectric ceramic power and processing and storage. 此工作方式不影响病人的日常生活。 This work does not affect the patient's daily life. 第二种是模数混合芯片、天线、体外收发无线数据传输装置以及计算机控制与处理装置联合工作方式。 The second operating mode is a joint hybrid chip module, an antenna, a transceiver for wireless data transmission means in vitro and computer control and processing means. 此工作方式发生在医生为病人问诊的情况下,通过体内外射频装置,为体内电路供电同时获取体内非易失性存储单元里的数据。 This mode of operation occurs in the case of the patient in the doctor's inquiry, the RF vivo by means of nonvolatile memory cells inside the body in vivo data for the power supply circuit simultaneously. 并通过与计算机相连接的无线数据收发卡,数据可以传输到计算机上供医生进行诊断。 And a wireless data transceiver connected to a computer card, the data can be transferred to a computer for the doctor for diagnosis. 第三种是系统休眠模式,此工作模式是指病人在日常生活中植入关节不运动时,此时压电陶瓷没有受压也不会产生能量,所有电路处于掉电状态,系统休眠。 The third system is the sleep mode, this operating mode is implanted in the patient refers to the joint does not move in the daily life, there is no case piezoceramic pressure energy is not generated, all of the circuit is powered down, the system sleep. 2) 本发明体外部分的设计克服了在背景技术部分中提到的模型没有考虑体外电路设计的缺点。 2) design of the present invention overcomes part vitro model mentioned in the background section, does not consider the disadvantages vitro circuit design. 另外,整个系统设计,以低功耗、低电压和低噪声为宗旨,将系统工作电压控制在l 伏左右,模数电压隔离,从而降低了系统功耗,减少了系统噪声,弥补了在背景技术部分中提到的模型欠缺。 Further, the overall system design, low power consumption, low voltage and low noise for the purpose of controlling the system voltage V at about l, modulus voltage isolation, thereby reducing the power consumption of the system, reducing system noise, makes up the background modeling techniques mentioned in the section lacking. 3) 首次实现生物体植入关节内和体外之间的通信,使得体外计算机能通过无线方式获取压力数据对植入关节进行合理诊断。 3) the first time, communication between the implanted biological intraarticular and in vitro, such that the computer in vitro by obtaining pressure data wirelessly to a joint implant reasonable diagnosis. 4) 能对生物体植入关节压力进行全方位数据采集,通过这些压力数据能有效检测出植入关节在生物体内的工作能力(如行走)、异常不对称的压力、异常髙压、松动和角度误差等问题。 4) can be implanted in a living body joint stress full range of data acquisition, these pressure data can effectively detect a joint implant in vivo ability to work (such as walking), abnormal asymmetrical pressure, abnormal pressure Gao, loosening and problems angular errors. 5) 系统具有两种供电方式,在上述的第一种工作模式下,系统通过压电陶瓷设备间歇供电,在上述的第二种工作模式下,系统通过射频信号供电。 5) having two power supply systems, in the above first mode of operation, the system intermittently powered by a piezoelectric ceramic device, in the above-described second mode of operation, the system RF signal power. 6) 植入关节压力数据经过一定的算法简化为简单特征数据,减小了非易失性存储单元的大小。 6) implant joint stress data after a certain characteristic data reduction algorithm is simple, reduces the size of the nonvolatile memory cell. 附图说明图1为本发明的体内部分的总体结构示意图。 BRIEF DESCRIPTION overall schematic view of the body portion 1 of the present invention. FIG. 图2为本发明的体外部分的结构示意图。 FIG schematic structural diagram of the extracorporeal portion 2 of the present invention. 图3为本发明用到的压电陶瓷元件的示意图。 3 is a schematic view of a piezoelectric ceramic element used in the present invention, FIG. 图4为本发明体内无线数据收发传输装置的射频模块的电路原理示意图。 FIG 4 is a circuit schematic of RF transceiver module within the wireless data transmission device schematic invention. 图5为本发明的压电陶瓷信号处理过程的结构示意图。 Piezoelectric ceramic structural diagram of a signal processing procedure in FIG. 5 of the present invention. 图6为本发明的模数混合芯片的电路原理示意图。 FIG 6 is a schematic view of the principle of hybrid analog-digital circuit chip of the invention. 图7为本发明的系统工作状态示意图。 System operation Figure 7 is a schematic view of a state of the present invention. 具体实施方式本发明提出了一种双向无线通信可控且可实时保存压力数据、全数字的生物体植入关节压力监视系统。 DETAILED DESCRIPTION The present invention proposes a two-way wireless communication may be controlled and the pressure data stored in real-time, digital biometric implant articular pressure monitoring system. 系统采用模数混合的设计方案,由压电陶瓷装置、能量存储装置、模数混合芯片、天线、体外收发无线数据传输装置以及计算机控制与处理装置六部分组成。 The system uses a hybrid analog-digital design, the piezoelectric ceramic device, an energy storage device, analog-digital hybrid chip, an antenna, a transceiver six parts vitro wireless data transmission apparatus and a computer processing apparatus and a control composition. 压电陶瓷设备既是传感器传输压力信号,又能在压力下产生能量为其它电路供电,这些设备放置在植入关节里。 A piezoelectric ceramic sensor apparatus both transmitting pressure signals, can produce energy at a pressure of power other circuits, these devices are placed on the implant in the joint. 这些压力信号经过模数混合芯片中的放大器、滤波器和复用器进入模数转换电路, 再由控制单元的算法处理得到特征数据保存到非易失性存储单元中。 These pressure signals through the analog-digital mixed chip amplifiers, filters, and analog to digital converter into the multiplexer circuit, and then obtained by the arithmetic processing unit of the control characteristic data stored in the nonvolatile storage unit. 芯片也放置在植入关节内,其封装壳体采用高分子兼容性材料制成。 Chips are also placed in the joint implantation, compatibility with the use of polymer shell encapsulating material. 芯片内的控制单元还进行电源管理及整个电路逻辑控制。 The control unit also in chip power management and overall control circuit logic. 芯片一端和压电陶瓷设备相连,另一端连接天线,芯片外天线可以围绕芯片实现体内外的数据通信。 Chip is connected to one end of the piezoelectric ceramic device, and the other end connected to the antenna, chip antenna may realize the data communication outside the body around the chip. 体内射频电路部分和天线、体外无线收发模块共同完成数据的传输功能。 Vivo RF circuit and an antenna, a wireless transceiver module to complete the transfer in vitro functional data common. 体内部分的有两种供电方式: 一是压电陶瓷供电;二是射频信号供电。 There are two power supply portion of the body: one piezoelectric ceramic power; second signal is a radio frequency power supply. 其中压电陶瓷供电方式是间歇式的。 Wherein the piezoelectric ceramic power supply is intermittent. 压电陶瓷在压力下产生的能量经过全波桥整流后进入能量存储电容,根据电容的特性,当压电陶瓷产生的能量不足以供负载工作时,这些能量为存储电容充电,当存储电容中的能量足以供负载工作时,存储电容处于放电状态。 Energy generated in the piezoelectric ceramic at a pressure after a full-wave bridge rectifier into the energy storage capacitor, the characteristics of the capacitor when the energy generated by the piezoelectric ceramic is not sufficient for load operation, the energy storage capacitor is charged, when the storage capacitor when enough energy for the load operation, the storage capacitor is in a discharged state. 来自电容的电流经过能量整流器得到稳定的电流。 Current from the capacitor energy through a rectifier to obtain a stable current. 射频信号供电是指在问诊情况下,体外电路发送射频信号,体内电路从射频信号中获取能量得以工作。 Refers to the RF signal power in the case of interrogation, a radio frequency signal transmission circuit in vitro, in vivo circuit energy from the radio frequency signal is working. 体外无线收发数据传输装置包括一个天线接收阵列,接收来自体内传送来的压力数据,并发送给计算机控制和处理装置。 In vitro data radio transmission device comprises a receiving antenna array, the body receives the pressure transmitted from the data, and transmits to the computer control and processing means. 计算机控制和处理装置中, 与计算机主机相连的无线数据收发卡和收发天线来与体内无线收发装置实现双向数据通信, 同时可以实时地在监视器上观察病人的植入关节的压力数据。 Computer control and processing device, the wireless data card receiving antenna and a transceiver connected to the host computer bidirectional data communication with the radio device body, can be observed in real time while the pressure joint implant patient data on the monitor. 计算机主机能够进行数据处理辅助医生进行诊断。 The host computer for data processing can assist the doctor for diagnosis. 在具体执行植入关节检查时,病人坐在椅子上,医生将体外收发设备在相距20厘米左右对准病人的植入关节处,经过l分钟左右的照射,体内数据传输到计算机里即可。 In performing the specific inspection joint implantation, the patient sitting in the chair, the doctor vitro transceiver implantable joints aligned in a patient of about 20 cm apart, to transfer to the computer after the irradiation, in vivo data about l min. 整个操作简单,病人无任何不适和痛苦。 Simple entire operation, patients without any discomfort and pain. 系统具有三种不同的工作方式。 The system has three different ways of working. 第一种是压电陶瓷装置、能量存储装置和模数混合芯片联合工作方式。 The first piezoelectric ceramic devices, energy storage device and mixed analog-digital combined mode of operation the chip. 在此方式是指病人在日常生活中,植入关节在正常运动时会产生压力,系统能够在压电陶瓷供电情况下采集压力数据并进行处理和存储。 In this manner means that the patient in daily life, the implant will produce a pressure joint during normal movement, the system can acquire pressure data in a case where the piezoelectric ceramic power and processing and storage. 此工作方式不影响病人的曰常生活。 This work does not affect the normal daily life of patients. 第二种是模数混合芯片、天线、体外收发无线数据传输装置以及计算机控制与处理装置联合工作方式,此工作方式发生在医生为病人问诊的情况下,通过体内外射频装置,为体内电路供电同时获取体内非易失性存储单元里的数据。 The second is a hybrid analog-digital chip, an antenna, a transceiver for wireless data transmission means in vitro and computer-controlled manner with the joint work processing apparatus, this situation occurs in the mode of operation of the interrogation doctor for the patient, through the outer body of the RF device, circuit vivo acquired simultaneously supply the nonvolatile memory cell in vivo data. 因为系统包括一与计算机相连接的无线数据发送器,以及有一与计算机能实时通信的体外无线收发装置。 Because the system includes a wireless data transmitter connected to a computer, in vitro as well as a wireless transceiver means in communication with the computer in real time. 所以体内数据可以传输到计算机上供医生进行诊断。 Therefore, data can be transferred to the body computer for a doctor to diagnose. 第三种是系统休眠方式,此工作方式是指病人在日常生活中植入关节不运动时,此时压电陶瓷没有受压也不会产生能量,所有电路处于掉电状态,系统休眠。 The third system is the sleep mode, this mode of operation refers to a joint implant does not move the patient in everyday life, when the piezoelectric ceramic is not generated energy is not pressed, all the circuit is powered down, the system sleep. 图l为本发明的体内部分的总体结构示意图。 Figure l overall structural diagram of the present invention the body portion. 其中l为压电陶瓷设备,2为能量存储装置,3为模数混合芯片,4为天线。 Wherein l is the piezoelectric ceramic device, energy storage means 2, 3 is a hybrid analog-digital chip, an antenna 4. 压电陶瓷设备既是传感器传输压力信号,又能在压力下产生能量为其它电路供电,这些设备放置在植入关节里。 A piezoelectric ceramic sensor apparatus both transmitting pressure signals, can produce energy at a pressure of power other circuits, these devices are placed on the implant in the joint. 模数混合芯片将压力数据经过处理存储在非易失性存储单元里,并能通过射频模块将非易失性存储单元里的数据传出体外,同时它还负责检测压电陶瓷元件是否被磨穿。 Analog-digital mixed chip processed pressure data stored in the nonvolatile memory unit, the radio unit and through the nonvolatile memory cell in the data out in vitro, while it is responsible for detecting whether the piezoelectric ceramic element to be ground wear. 模数混合芯片和压电陶瓷元件一样放置在植入关节内。 And mixed analog-digital chip as the piezoelectric ceramic element disposed within the implant joint. 芯片封装壳体釆用髙分子兼容性材料制成,芯片一端和压电陶瓷设备相连,另一端连接天线,芯片外天线可以围绕芯片放置。 A chip package housing preclude made Gao molecular material compatibility, the chip is connected to one end and a piezoelectric ceramic device, and the other end connected to the antenna, chip antenna may be placed around the chip. 图2为本发明的体外部分的结构示意图,其中5为无线收发装置,6为计算机控制与处理装置。 FIG portion structure vitro present invention. FIG 2, where 5 is the radio, the control computer 6 and the processing apparatus. 当问诊时,体外部分开始工作,无线收发装置发送射频信号给体内射频模块,并接收体内数据给计算机控制与处理装置。 When the inquiry, the extracorporeal portion starts working, transmits radio signals to a radio frequency RF module body, and the body data to the receiving computer control and processing means. 图3为本发明用到的压电陶瓷元件的示意图,其中7为压力分散金属板,8为轴承,9为压电陶瓷元件,此图中包括了3个压电陶瓷元件。 A schematic view of a piezoelectric ceramic element used in the present invention. FIG. 3, wherein the pressure dispersion of the metal plate 7, the bearing 8, 9 is a piezoelectric ceramic element, this figure 3 includes a piezoelectric ceramic element. 图4为本发明的射频模块的电路原理框图。 FIG 4 is a circuit block diagram of the RF module of the present invention. 其中401为调制设备、402为RF (Radio Frequency)限制器、403为检波器、404为调整器、405为振荡器、406为解调器、407为时钟生成器、408为电流偏置电路、409为调制器、410为复位信号生成电路;P1和P2为和天线相连的接口; Sl为时钟信号、S2为数据信号、S3为复位信号。 Wherein the modulation device 401, 402 to RF (Radio Frequency) limiter detector 403, the regulator 404, oscillator 405, a demodulator 406, a time clock generator 407, 408 is a current bias circuit, 409 is a modulator, 410 is a reset signal generation circuit; interfaces and P1 and P2 are connected to the antenna; Sl is a clock signal, S2 is the data signal, S3 as a reset signal. Sl、 S2和S3均为输出信号。 Sl, S2 and S3 are output signals. 调制设备(401)的输出和RF限制器(402)的输入及调整器(404)的输入相连,RF限制器(402)的输出和检波器(403)及解调器(405)的输入相连,检波器(403)及解调器(405) 的输出分别与调整器(404)和时钟生成器(407)的输入相连,调整器(404)的输出分别连接到振荡器(405)、电流偏置电路(408)和复位信号生成电路(410)的输入。 Modulation device (401) and the RF output of the limiter (402) and the regulator input (404) connected to the input connected to RF limiter (402) and the output of detector (403) and a demodulator (405) input , output of the detector (403) and a demodulator (405) are respectively adjuster (404) and a clock generator (407) is connected to the input, output adjuster (404) are connected to the oscillator (405), the current input bias circuit (408) and the reset signal generating circuit (410). 图5为本发明的传感器信号处理过程的结构示意图。 Schematic structural diagram of a sensor signal processing procedure in FIG. 5 of the present invention. S4〜S6为来自三个压电陶瓷传感器的信号,502为开关,实现三路信号的时分复用,503为功率放大器,504为低通滤波器。 S4~S6 of signals from three piezoelectric ceramic sensor, a switch 502, to achieve three-way time division multiplex signal, a power amplifier 503, a low pass filter 504. S7 为经过复用和滤波的模拟压力信号。 S7 is multiplexed through the analog pressure signal and filtered. 压电陶瓷传感器得到的压力信号经过复用进入放大器和滤波器,再进入模数转换电路,得到压力的数字信号。 Pressure signal obtained through piezoceramic sensors multiplexed into the amplifier and a filter, and then into analog to digital converters, digital signal resulting pressure. 图6为本发明的模数混合芯片的电路原理框图。 FIG 6 is a circuit block diagram of the analog-digital mixed chip invention. 其中601为传感器开关检测电路,用来检测压电陶瓷元件是否磨穿;602为低功耗的控制单元,负责处理压力数据并将数据保存到非易失性存储单元里;603为非易失性存储单元;604为数据调制及错误检测模块;605为传感器接口; 606为传感器信号处理模块,包括复用电路、功放电路和滤波电路;607为模数转换器;608为无线收发装置;609为电压调整器;610为电源管理电路;611为射频能量调整器;612为射频信号处理电路。 Wherein the sensor switch detecting circuit 601, the piezoelectric ceramic element for detecting whether or not worn; 602 is a low-power control unit is responsible for processing data and pressure data stored in the nonvolatile memory cells inside; 603 is a non- memory means; a data modulator 604 and error detection module; sensor interface 605; 606 is a sensor signal processing module comprises a multiplexing circuit, amplifier circuit and the filter circuit; analog to digital converter 607; 608 is a radio transceiver; 609 a voltage regulator; power management circuitry 610; 611 to RF energy adjuster; a radio frequency signal processing circuit 612. 传感器开关检测电路(601)的输入端分别和压电陶瓷装置(1) 的输出端以及控制单元(602)的输出端。 Input sensor switch detecting circuit (601), respectively, and an output terminal of the piezoelectric ceramic device (1) and a control unit (602) output. 控制单元(602)的输出端还和非易失性存储单元(603)的输入端相连,非易失性存储单元(603)和数据调制及错误检测模块(604)双向相连,数据调制及错误检测模块(604)又和无线收发装置(608)双向相连。 The control unit (602) is further output terminal and the input terminal of the nonvolatile memory means (603) is connected to nonvolatile memory cells (603) and a data modulation and error detection module (604) coupled to a bidirectional data modulation and error detection module (604) and a wireless transceiver and means (608) is connected to bidirectional. 传感器接口(5) 的输入端和压电陶瓷装置(1)的输出端相连,传感器接口(5)的输出端和传感器信号处理模块(606)的输入端相连,传感器信号处理模块(606)的输出端和模数转换器(607)的输入端相连。 Sensor Interface (5) and a piezoelectric ceramic input terminal means (1) connected to the output, connected to sensor interface (5) and the output terminal of the sensor signal processing module (606) the input of the sensor signal processing module (606) and analog to digital converter connected to the output (607) input. 模数转换器(607)的输出端和控制单元(602)的输入端相连。 Analog to digital converter connected to the output (607) and a control unit (602) input. 电压调整器(609) 的输入端和能量存储装置(2)的输出端相连,其输出端和电源管理电路(610)的输入端相连。 Output of the voltage regulator (609) input terminals and an energy storage device (2) is connected to an input terminal thereof is connected to an output terminal and a power management circuit (610). 射频能量调整器(611)的输出端也和电源管理电路(610)的输入端相连,其输入端和射频信号处理电路(612)的输出端相连。 RF energy input of the regulator (611) and also the output terminal of the power management circuit (610) connected to the output terminal of the input terminal and the radio frequency signal processing circuit (612). 无线收发装置(608)和射频信号处理电路(612) 均和天线(4)双向相连。 Radio transceiver means (608) and the radio frequency signal processing circuit (612) and each antenna (4) is connected to bidirectional. 图7为本发明的系统工作状态机示意图。 System working state machine of FIG. 7 is a schematic view of the present disclosure. 其中StateO为系统休眠模式,Statel为问诊状态,State2为病人日常生活状态。 StateO system wherein the sleep mode, Statel state of inquiry, State2 daily life for the patient state. col:射频电路供电电压及压电陶瓷设备产生的电压均小于系统工作电压;co2:射频电路供电电压等于系统工作电压并且压电陶瓷设备产生的电压小于系统工作电压;C03:射频电路供电电压小于系统工作电压并且压电陶瓷设备产生的电压等系统工作电压;压电陶瓷装置(1)包括3个压电陶瓷元件(9)、压力分散金属板(7)和轴承(8),压电陶瓷元件(9)既是传感器传输压力数据又能在压力下产生能量。 col: RF circuit voltage and the supply voltage generated by the piezoelectric ceramic device is less than system voltage; co2: a radio frequency voltage supply circuit and the voltage equal to the system operating voltage generated by the piezoelectric ceramic device is less than the system voltage; C03: RF circuit supply voltage is less than system voltage and the voltage generated by the piezoelectric ceramic device system voltage and the like; piezoelectric means (1) comprises three piezoelectric ceramic element (9), dispersion of the metal pressure plate (7) and the bearing (8), the piezoelectric ceramic element (9) is both the sensor can transmit pressure data to generate energy under pressure. 病人在日常生活中,植入关节在正常运动时会产生压力,压力通过压电陶瓷装置(1)转化为电能输出给能量存储装置(2),能量存储装置(2)为模数混合芯片(3)供电使其工作,模数混合芯片(3)在压电陶瓷装置(1)供电情况下采集压力数据并进行处理和存储。 In daily life of patients, the normal movement of the implant in the joint will generate pressure, pressure into the mixing chip module power output to the energy storage device (2), the energy storage device (2) is a piezoelectric ceramic (1) ( 3) the power supply to make it work, hybrid chip module (3) in the collected pressure data supply means where the piezoelectric ceramic (1) and is processed and stored. 来自三个压电陶瓷传感器的信号(S4〜S6)经过传感器接口(605)进入传感器信号处理模块(606)(包括开关(502),实现三路信号的时分复用,功率放大器(503)放大微弱信号和低通滤波器(504))得到经过复用和滤波的模拟压力信号(S7),模拟压力信号(S7)再进入模数转换器(607)得到压力的数字信号。 Signal (S4~S6) from three piezo-ceramic sensor through a sensor interface (605) into the sensor signal processing module (606) (includes a switch (502), to achieve the three-way division multiplexed signal, the power amplifier (503) amplifying weak signal and a low pass filter (504)) obtained through multiplexing and filtered analog pressure signal (S7), an analog pressure signal (S7) and then enter a digital signal converter (607) obtained pressure. 低功耗的控制单元(602)根据一定的算法处理压力数据并将数据保存到非易失性存储单元(603)。 Low power control unit (602) is stored in nonvolatile memory unit (603) according to a certain pressure data and arithmetic processing data. 同时,传感器开关检测电路(601)检测压电陶瓷元件是否磨穿。 Meanwhile, the sensor switch detecting circuit (601) detecting piezoelectric ceramic element if worn out. 当医生为病人问诊时,通过体内射频装置即射频信号处理电路(612)、体外射频装置(5) 和体内外天线(4),为模数混合芯片(3)供电同时获取体内非易失性存储单元(603)里的数据。 When the doctor patient interrogation, i.e. by in vivo radio frequency RF signal processing circuit means (612), in vitro radiofrequency device (5) and in vivo antenna (4) as a hybrid chip module (3) non-powered simultaneously obtaining in vivo (603) the data in the memory unit. 并通过与计算机(6)相连接的无线数据收发卡,压力数据可以传输到计算机上供医生进行诊断。 And a wireless data transceiver card and a computer (6) connected to the pressure data can be transferred to the computer for the doctor for diagnosis. 在此情况下,数据调制及错误检测模块(604)对通信的数据进行调制及错误检测。 In this case, the data modulation and error detection module (604) for modulating the communication data and error detection. 无线收发装置(608)为体内天线。 Radio transceiver means (608) for the antenna body. 电压调整器(609)调节射频信号产生的电压使之符合模数混合芯片(3)的工作电压,射频能量调整器(611)调整射频信号能量使之足以产生符合模数混合芯片(3)的工作电压。 Voltage regulator (609) regulating voltage RF signal produced to conform to the analog-digital mixed chip (3) the operating voltage, RF energy adjuster (611) to adjust the radio frequency signal energy to be sufficient to produce in line with mixed analog-digital chip (3) Operating Voltage. 电源管理电路(610)管理压电陶瓷设备(1)产生的电源和射频信号产生的电源,使它们不冲突地为模数混合芯片(3)提供电源,同时判断它们的大小决定模数混合芯片(3)的工作状态。 Power supply and a radio frequency signal power management circuit (610) managing a piezoelectric ceramic device (1) generated produced, provided that they do not conflict power modulo hybrid chip (3), and determine their size determines the chip mixed analog-digital (3) working condition. 模数混合芯片(3)有三种工作状态:休眠态(State0), 问诊状态(Statel)和病人日常生活状态(State2),当射频电路供电电压及压电陶瓷设备产生的电压均小于系统工作电压(col)时,模数混合芯片(3)进入休眠态(State0);当射频电路供电电压等于系统工作电压并且压电陶瓷设备产生的电压小于系统工作电压(co2)时, 模数混合芯片(3)进入问诊状态(Statel);当射频电路供电电压小于系统工作电压并且压电陶瓷设备产生的电压等系统工作电压(co3)时,模数混合芯片(3)进入病人日常生活状态(State2)。 Hybrid chip module (3) has three operating states: Sleep mode (State0), status interrogation (Statel) daily life and patient status (State2), when the voltage of the RF circuit and the supply voltage generated by the piezoelectric ceramic device is less than the working system voltage (col), hybrid chip module (3) into the dormant state (StateO); the RF circuit when the voltage equal to the supply voltage and the system voltage generated by the piezoelectric ceramic device operating voltage less than the system (CO2), the number of chip mixed mode (3) enters the interrogation state (Statel); when the supply voltage is less than the radio frequency circuit system voltage and the voltage generated by the piezoelectric ceramic device like system voltage (co3), hybrid chip module (3) into the patient's daily living state ( State2). 所述的射频信号处理电路(612)包括如下部分:信号从与天线(4)相连的接口(Pl和P2)进入到调制设备(401)接受调制,来自接口(Pl)的信号同时进入RF限制器(402)接受调整使之能量符合系统需求,经过调整后的信号分别进入检波器(403)和解调器(406) 成为下脉冲方波进入调整器(404)接受波形调整。 The RF signal processing circuit (612) also includes: receiving the modulated signal from entering the antenna (4) connected to the interface (Pl is and P2) to the modulation device (401), a signal from the interface (Pl is) into the RF while limiting (402) so as to adjust the energy receiving meet the system requirements, after the adjusted signal respectively to the detector (403) and a demodulator (406) becomes a square wave pulse into the regulator (404) receiving waveform adjustment. 时钟生成器(407)根据解调后的信号提取时钟供数字电路工作并输出时钟信号(S1)。 A clock generator (407) for the digital circuit in accordance with the extracted clock signal and the demodulated output clock signal (S1). 电流偏置电路(408)为射频信号处理电路(612) 提供电流偏置。 Current bias circuit (408) providing a bias current to the RF signal processing circuit (612). 振荡器(405)生成高频时钟供存储单元工作。 An oscillator (405) generates a high frequency clock for the memory cell work. 调制器(409)调制来自调制设备(401)的信号并输出数据信号(S2)。 Modulator (409) modulating the modulated signals from the device (401) and the output data signal (S2). 复位信号生成电路(410)产生复位信号S3。 Reset signal generation circuit (410) generates a reset signal S3. 由此,系统实现了发明目的。 Thus, the system object of the invention is achieved.

Claims (1)

1. 双向数字式无线植入关节压力监视系统,其特征在于,该系统有包括体内体外两个部分组成: (一)体内部分包括: (1)压电陶瓷装置,包括3个压电陶瓷元件,它们既是传感器传输压力数据又能在压力下产生电能输出;压电陶瓷装置的三个输出端分别和下面模数混合芯片的输入端以及能量存储装置的输入端相连; (2)能量存储装置,包括整流电路、能量存储电路;压电陶瓷装置的三个输出端输出的电流经过整流电路后给能量存储电路,能量存储装置为模数混合芯片供电;能量存储装置的输出端连接模数混合芯片的电源输入端; (3)模数混合芯片,包括非易失性存储单元、射频模块和无线收发装置,其功能是将植入关节在病人日常运动时产生的压力数据经过处理存储在非易失性存储单元里,并能通过射频模块将非易失性存储单元里的数据传出体外,同时 1. bidirectional digital wireless implantable articular pressure monitoring system, characterized in that the system comprises ex vivo has two parts: (a) the body portion comprising: (1) piezoelectric ceramic device comprising a piezoelectric ceramic element 3 , they are both transmitting pressure data can produce sensor output at the power pressure; are connected under the chip and mixed analog-digital input terminal and the input terminal of the energy storage device three output terminals of the piezoelectric ceramic device; (2) an energy storage device , includes a rectifier circuit, energy storage circuit; three current output terminals of the piezoelectric ceramic device after output rectifier circuit to the energy storage circuit, the energy storage device is a hybrid chip power module; output connected to the energy storage modulus mixing device power input terminals of the chip; (3) analog-digital mixed chip including nonvolatile memory cells, and a radio RF module, whose function is to implant the pressure data generated in the joint when the patient is treated daily exercise is stored in the non- volatile storage unit, the radio unit and through the nonvolatile memory cell in vitro outgoing data, while 它还负责检测压电陶瓷元件是否被磨穿并进行电源电路的管理; (4)体内天线,体内天线和模数混合芯片内的无线收发装置连接在一起的; (二)体外部分包括: (1)体外天线,体外天线和体外收发无线数据传输装置相连; (2)体外收发无线数据传输装置,由射频电路和大容量存储单元串联而成,用来发射射频信号并接收传输体内数据;它和计算机控制与处理装置相连; (3)计算机控制与处理装置,与体外收发无线数据传输装置相连,此部分用来处理来自体内部分的数据,供医生分析诊断。 It is also responsible for detecting whether the piezoelectric ceramic element is worn out and manage the power supply circuit; (4) an antenna body, an antenna and a radio vivo in mixed analog-digital chips connected together; (b) In vitro portion comprises: ( 1) external antenna, external antenna and in vitro transceiving wireless data transmission means connected; (2) In vitro transceiving wireless data transmission means, and a series circuit of a radio frequency from a mass storage unit, for transmitting and receiving radio frequency signals transmitted vivo data; it and processing means connected with the control computer; (3) computer control and processing means connected to a wireless data transmission device and the extracorporeal transceiver, to process the data from this portion of the body portion, the doctor for analysis and diagnosis.
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Publication number Priority date Publication date Assignee Title
CN101427923B (en) 2007-11-05 2010-11-24 昆山双桥传感器测控技术有限公司 Biological medical pressure sensor
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CN103561093B (en) * 2013-10-29 2018-02-02 北京品驰医疗设备有限公司 Wireless implantable medical devices programmable control system
CN105994004A (en) * 2016-05-19 2016-10-12 上海应特宠企业管理有限公司 Pet real-time monitor system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4499394A (en) 1983-10-21 1985-02-12 Koal Jan G Polymer piezoelectric sensor of animal foot pressure
CN1315846A (en) 1998-09-04 2001-10-03 沃尔夫研究有限公司 The medical implant system
US6431175B1 (en) 1997-12-30 2002-08-13 Remon Medical Technologies Ltd. System and method for directing and monitoring radiation
US6486588B2 (en) 1997-12-30 2002-11-26 Remon Medical Technologies Ltd Acoustic biosensor for monitoring physiological conditions in a body implantation site
CN1409889A (en) 1999-11-12 2003-04-09 Usc株式会社 Piezoelectric generating apparatus
WO2004026129A1 (en) 2002-07-02 2004-04-01 Medinnova Sf System for read-out of pressure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4499394A (en) 1983-10-21 1985-02-12 Koal Jan G Polymer piezoelectric sensor of animal foot pressure
US6431175B1 (en) 1997-12-30 2002-08-13 Remon Medical Technologies Ltd. System and method for directing and monitoring radiation
US6486588B2 (en) 1997-12-30 2002-11-26 Remon Medical Technologies Ltd Acoustic biosensor for monitoring physiological conditions in a body implantation site
CN1315846A (en) 1998-09-04 2001-10-03 沃尔夫研究有限公司 The medical implant system
CN1409889A (en) 1999-11-12 2003-04-09 Usc株式会社 Piezoelectric generating apparatus
WO2004026129A1 (en) 2002-07-02 2004-04-01 Medinnova Sf System for read-out of pressure

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
微电子技术在生物医学中的应用与发展. 谢翔,张春,王志华.电路与系统学报,第8卷第2期. 2003
生物医学中的植入式电子系统的现状与发展. 谢翔,张春,王志华.电子学报,第32卷第3期. 2004

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