KR20150111433A - Bio Parameter Detecter Apparatus for Polygraphic movement disorder analysis Using Shoes - Google Patents

Abstract

The present invention relates to an apparatus for extracting a biodynamic parameter for diagnosing a motor disorder. A purpose of the present invention is to provide a system for extracting a biodynamic parameter for diagnosing a motor disorder using shoes to provide data necessary for diagnosing not only hand shaking of a finger of a person to be examined in a non-restraint state, but also an abnormal motor disorder of resting tremor, rigidity, bradykinesia, and postural instability of the person to be examined using a pressure sensor, a triaxis acceleration, and a triaxis angular velocity which are embedded in shoes of the person to be examined.

Description

TECHNICAL FIELD The present invention relates to a biomechanical parameter extracting apparatus for diagnosing movement disorders of a subject using shoes,

The present invention relates to a biomechanical parameter extracting apparatus for diagnosing a movement disorder of an examinee, and more particularly, to a biomechanical parameter extracting apparatus for diagnosing a motion disorder of a subject, Diagnosis of movement disorders using shoes to provide data necessary to diagnose abnormal movement disorders such as resting tremor, rigidity, bradykinesia, and postural instability of a subject using sensors The present invention relates to a biomechanical parameter extraction system.

The older the age, the easier it is to have a chronic disease and the ADL becomes difficult. The health problems of the elderly are becoming social problems as the elderly population increases. In particular, diseases of the geriatric nervous system such as Parkinson's disease and stroke have not been well-cared for, leading to a deterioration in the quality of life of the elderly and a great economic burden on the family.

In order to measure the clinical status of Parkinson 's disease, the clinician grades the athletic ability of the patient through the visual inspection method, the questionnaire and the results of the questionnaire. There are four major methods, among which UPDRS (Unified Parkinson's disease rating scale) is the most widely used method. It consists of 42 items, and each item consists of 0 ~ 4 steps. This method of clinical status discrimination may be different according to the skill of the clinician. In the case of patients, even if they are the same size as the questionnaire survey or interview, Objective diagnostic parameters and the need for analysis results are required.

[0004] Cleveland Medical Devices Inc. in the United States developed a radio technology for analyzing symptoms of movement disorders such as tremor, and developed a software based on necessity. And real-time data can be acquired, and a computerized scoring of the transmitted signal is used to develop a tracer measuring device for analyzing the patient's symptoms.

However, according to the conventional art, there is a problem that the sensor used by the user does not feel uncomfortable due to heavy weight of the used sensor, and a more accurate measurement value can not be obtained due to the weight.

In addition, diagnosis of a disorder of a subject having symptoms of movement disorders such as Parkinson's and stroke is based on subjective judgment of a doctor diagnosing the degree of disorder by visually confirming an abnormality of a hand, arm, and leg motion when the subject is walking There is a problem that the criteria for more accurate fault diagnosis is inaccurate.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a method and apparatus for evaluating a patient's resting state by using a pressure sensor built in a shoe of a subject, The present invention provides a biomechanical parameter extraction system for diagnosing movement disorders using shoes, which provides data necessary for diagnosing abnormal motion disorders such as stiffness, looseness, posture abnormality, and the like.

In order to accomplish the object of the present invention, a biomechanical parameter extracting apparatus for diagnosing a movement disorder using shoes is provided with a data acquisition module having a trummer sensor unit mounted on a wrist, a wrist, and a shoe of a subject, A biomechanical parameter extracting apparatus for diagnosing a movement defect of a subject diagnosing a degree of a disorder using parameters of tremor, movement speed, direction and position of each wearing part as parameters of the wearer's part in the trimming data, A trimming sensor part for collecting trimming data of a body part to be worn; A microcontroller for collecting and storing the tracer data of the tracer sensor unit and transmitting the status of the tracer to the diagnostic device; A wireless communication unit for transmitting the trammer data output from the microcontroller to a diagnostic device through a wireless communication scheme; And an external memory storing unit for storing the trammer data output from the microcontroller in the connected external memory card, wherein each of the trammer data collected by the respective data collecting modules is simultaneously transmitted to the diagnostic apparatus .

Here, the trummer sensor unit of the data collecting module worn on the shoe may include a plurality of pressure sensors installed on the shoe bottom surface; And a three-axis acceleration and three-axis angular velocity sensor that is built in or attached to the shoe to measure three-axis acceleration and three-axis angular velocity when the user is walking, and outputs the measured three-axis acceleration and three-axis angular velocity to the microcontroller.

In addition, the microcontroller includes the tracer data (X-Accl, Y-Accl, Z-accl) (X-Gyro, Y-Gyro and Z-Gyro) input from each of the 3-axis acceleration sensors and 3-axis gyro sensors A register unit for temporarily storing the data; A wire interface unit for converting and transmitting data according to a UART communication standard so that each of the timer data stored in the register unit is transmitted through a USB port; A wireless interface unit for converting and transmitting the wireless data according to the UART communication standard of each of the timer data stored in the register unit; And an external memory interface unit for storing the timer data in the external memory card through the respective interface units.

In addition, the data collection module and the diagnostic device may be transmitted by a wireless communication method including Bluetooth, ZigBee, and Nordic.

A biomechanical parameter extracting apparatus for diagnosing a movement disorder according to the present invention is a device for extracting a biomechanical parameter such as resting tremor, rigidity, bradykinesia, postural instability, It is possible to provide quantitative and objective diagnostic parameters necessary for diagnosing abnormal motor disease.

In addition, the tracer and exercise measurement data are extracted from the left and right upper limbs, lower limbs and feet of the subject and transmitted to the diagnostic computer wirelessly or automatically stored in the external memory card. Thus, There is an effect that measurement data for diagnosis can be acquired in a non-restrained state.

Further, since the exercise measurement data is extracted from the pressure sensor and the trimming data from the left and right shoes, it is possible to measure the walking pattern through the exercise amount and footprint information of the subject.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall configuration diagram of a biomechanical parameter extracting apparatus for diagnosing movement disorders of a subject according to an embodiment of the present invention,
FIG. 2 is a detailed block diagram of each data collection module of FIG. 1,
FIG. 3 is a detailed block diagram of the data collection module incorporated in the shoe in FIG. 1,
4 is a detailed block diagram of the microcontroller in FIGS. 2 and 3. FIG.
5 is a signal processing flowchart of the data acquisition module of FIG.

A detailed configuration and operation of a biomechanical parameter extracting apparatus for diagnosing a movement defect of a subject according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram of a biomechanical parameter extracting apparatus for diagnosing a movement defect of a subject according to an embodiment of the present invention. The body part is worn on upper and lower limbs of left and right arms of a subject 100, Fifth and sixth data collecting modules 201 and 202 for acquiring the trimming data by being worn on the left and right shoe of the subject, And a tester for receiving tremor data obtained from the data collection modules 102 to 106, 201 and 202 as wireless data and detecting the tremor and resting tremor of the arm and foot area, And a diagnostic device 300 for analyzing and diagnosing abnormal motor diseases such as rigidity, bradykinesia, and postural instability.

Here, the diagnostic apparatus 300 is composed of a smart mobile device such as a smart phone or a smart pad equipped with a diagnostic program, or a diagnostic computer.

The first to fourth data collecting modules 102 to 06 have the same configuration and are configured to be detachable in a band type that can be worn on the left, right, and lower legs of the examinee. , The wrist wrist or the left and right arms of the subject, and the lower limb.

The fifth and sixth data collecting modules 201 and 202 have the same configuration and are worn or embedded in the left and right shoes of the examinee so as to collect each of the follower data according to the fault status of the examinee, It is possible to simultaneously collect data from a plurality of pressure sensors incorporated in the first to fourth data collection modules 102 to 106 and to collect the trimming data together with the first to fourth data collection modules 102 to 106.

FIG. 2 is a detailed block diagram of the first to fourth data collecting modules in FIG. 1 according to an embodiment of the present invention. The data collecting module includes a trimer sensor 131 for collecting trimming data of a body part worn by the examinee, A microcontroller 120 that collects and stores the tracer data of the tracer sensor unit 131 and transmits the status of the data acquisition module to the diagnostic device, An external memory storage unit 132 for storing the timer data output from the microcontroller 120 in a connected external memory card, a wireless communication unit 134 for transmitting the timer data to the diagnostic apparatus 200 in a wireless communication manner, A key input unit 136 for selectively operating the operation of the data acquisition module 102, and a power supply unit 135 for charging and supplying power to the built-in battery.

The trimer sensor 131 measures the three-axis acceleration (X-Accl, Y-Accl, Z-accl) and three-axis angular velocity (X-Gyro, Y-Gyro, Z- And a three-axis acceleration sensor and a three-axis gyro sensor output to the controller 120.

The microcontroller 120 receives data in accordance with the SPI communication standard with the trimming sensor unit 131 and the microcontroller 120. The microcontroller 120 operates as an SPI master, Each of the units 132 operates as an SPI slave.

FIG. 3 is a block diagram of a data collecting module incorporated in a shoe according to an embodiment of the present invention. The data collecting module includes a plurality of pressure sensors 211 installed on the bottom surface of a shoe, Axis acceleration and angular velocity sensors 212 and 213 for measuring three-axis angular velocity, an input unit 221 for inputting and amplifying signals from the plurality of pressure sensors 211, and a three-axis acceleration and angular velocity sensor 212 Axis acceleration / angular velocity signals inputted through the input and output units 213 and 213 and the sensor data collected from the respective input units and the amplifiers 221 and 222 to the storage and diagnosis apparatus 300 And a wireless communication unit 224 for transmitting a plurality of pressure values and three axis acceleration / angular velocity data inputted through the microcontroller 223 in Bluetooth wireless format.

FIG. 4 is a detailed block diagram of the microcontroller in FIG. 2 and FIG. 3. FIG. 4 is a detailed block diagram of the microcontroller in FIG. 2 and FIG. 3, in which the tracer data (X-Accl, Y- A register unit 122 for temporarily storing the status information of the data acquisition module and storing the status information of the data acquisition module, and a register unit 122 for storing the status information of the data acquisition module, for example, Accl, Z- A wireless interface unit 125 for converting and transmitting wireless data according to the UART communication standard, and an external memory interface unit (not shown) for storing the transmitter data in the external memory card through each interface unit 126).

 The state information storage unit of the register unit 122 stores the battery state of the power supply unit 135, the operation state of the data acquisition module 102, the data interface state of the diagnosis device 200 and the external memory interface unit 126 And stores the sub operating state information.

The wireless interface unit 125 performs interface conversion to the UART communication standard to transmit the timer data and the status information data to the diagnostic apparatus 200 according to the communication interface with the diagnostic apparatus 200, A wireless data interface such as RF, Zigbee, Bluetooth or NorDic is used.

The external memory interface unit 126 performs interface conversion for storing the timer data stored in the register unit 122 and the status information in the connected external memory card.

The external memory card preferably uses a micro SD card or an SD card, and the external memory interface unit 126 converts the data to fit the micro SD card or SD card data format.

A detailed description of a biomechanical parameter extracting apparatus for diagnosing a movement disorder of a subject using the shoe according to an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 5. FIG.

FIG. 5 is a flowchart illustrating an operation of a biomechanical parameter extracting apparatus for diagnosing movement disorder of a subject according to an embodiment of the present invention. The data collecting modules 102 to 106 (201) and (202) When the start command or the reset command is inputted from the key input unit 136 or the connected diagnostic apparatus 300, each of the data acquisition modules 102 to 10, 201, And transmits the stored trammer data or status information to the diagnostic apparatus 300.

That is, the microcontrollers 120 and 223 may start collecting the tracer data from the tracer sensor unit 131 according to the diagnosis device 200 or a user command, or may collect the tracer data stored in the external memory card And transmits the status information to the diagnostic apparatus 300 via the wireless interface unit 124. [

If a data collecting command is received from each of the data acquisition modules 102 to 106, 201 and 202, each of the microcontrollers 120 and 223 outputs a chip select signal CS, (X-Gyro, Y-Gyro, and Z-Gyro) measured by the tracer sensor unit 131 by the signal CS and outputting the measured tracer data (X-Accl, And outputs it to the microcontroller 120 (223).

The microcontrollers 120 and 223 output the received tracer data X-Accl, Y-Accl and Z-accl (X-Gyro, Y-Gyro and Z-Gyro) (X, Y, Z-Gyro Reg) in the corresponding area (X, Y, Z-Accl Reg).

(X-Gyro, Y-Gyro, and Z-Gyro) of the six channels are all stored, To the diagnostic apparatus 200, or to the memory card connected via the external memory interface unit 126. [

(X-Gyro, Y-Gyro, and Z-Gyro) stored in the external memory card are accumulated in the timer device And transmits it to the diagnosis apparatus 200 through the wireless communication unit 134 according to the selection control of the input unit 136.

On the other hand, the external memory card is taken out of the data collection module 102, connected to the diagnostic device 200 having an external memory card reader, and receives the transmitter data.

If the inputted trimming data is not transmitted in real time, after clearing the trimming data of the registers 122 and 123 after a predetermined time (about 4 ms), the trimming sensor 131 And resumes the tracer data input of

The status data of the data acquisition module 102 stored in the status information input unit of the external memory card or the register unit 122 through the diagnosis unit 300 or the key entry unit 136 to the diagnostic apparatus 200, The external memory card or the status information input unit, and transmits the extracted data or status information to the diagnostic apparatus 300 through the interfaces 124 and 125. [

The state information stored in the state information unit includes a power state or an interface state of the data collection module 102. [

Each of the data collection modules 102 to 106 (201) and (202), which are worn on the arm, footwear, etc. of the subject, transmits the extracted trimming data to the diagnostic device 300 through the same process.

The diagnosis apparatus 300 receives the 6-channel trailer data X-Accl, Y-Accl, Z-accl (X-Gyro) input from each of the data acquisition modules 102 to 106 , Y-Gyro, and Z-Gyro) are accumulated and accumulated for a predetermined period of time, and cumulatively stored respective tracer data are analyzed by a diagnostic program to analyze each body part or the whole exercise measurement data. The parameters for diagnosing Tremor, rigidity, bradykenesia and postural instability of the subject are calculated and judged.

Meanwhile, the diagnostic apparatus 300 receives and analyzes pressure values measured from a plurality of pressure sensors (FSR) 201 attached to the shoe bottom surfaces of the examinee through each channel, and calculates the foot pressure, And footprint order information.

It is possible to analyze the gait pattern through the footprint information, thereby enabling the subject to judge the state such as walking, walking or running, and to provide it as an important parameter for analyzing the degree of disorder of the subject through the footprint information .

As described above, the embodiment of the biomechanical parameter extracting apparatus for diagnosing the movement defect of the subject using the shoe according to the embodiment of the present invention has been described. However, according to another embodiment of the present invention, And can be variously modified in various embodiments, for example, various motion disorders can be analyzed according to a data transmission method.

100: Subjects 102-106, 201,202: Data collection module
120, 223: Microcontroller 122: Register section
125: wireless interface unit 126: external memory interface unit
131: Trammer sensor unit 132: External memory storage unit
134: wireless communication unit 135: power supply unit
136: key input unit 211: pressure sensor unit
212, 213: three axis acceleration / angular velocity sensor 220: main board
221: Input unit 222: Amplifier
224: wireless communication unit 300: diagnostic device

Claims (10)

A data collection module with a built-in trimming sensor unit is worn on the wrist, cuff and shoe of the subject. The data on the wearer's movement, speed, direction and position data are used as parameters A biomechanical parameter extracting device for diagnosing a movement defect of the subject,
Wherein the data collection module comprises: a trimming sensor part for collecting trimming data of a body part worn by the subject;
A microcontroller for collecting and storing the tracer data of the tracer sensor unit and transmitting the status of the tracer to the diagnostic device;
A wireless communication unit for transmitting the trammer data output from the microcontroller to a diagnostic device through a wireless communication scheme; And
And an external memory storage unit for storing the trammer data output from the microcontroller in a connected external memory card,
Wherein each of the tracer data collected by each of the data collection modules is transmitted to the diagnostic device at the same time.
The method according to claim 1,
Wherein the data collection module is configured to be removable in a band type that can be worn on the left, right, and underside of the subject, and a biomechanical parameter extraction device for diagnosing movement disorders using the shoe.
The method according to claim 1,
The trummer sensor unit of the data collection module worn on the shoe includes a plurality of pressure sensors installed on the shoe bottom surface; And
And a three-axis acceleration and three-axis angular velocity sensor that is built in or attached to the shoe to measure three-axis acceleration and three-axis angular velocity when the user is walking and outputs the measured three-axis acceleration and three-axis angular velocity to the microcontroller. A biomechanical parameter extraction device.
The method according to claim 1,
The tracer sensor unit incorporated in the wrist and cuff data acquisition module is configured to measure the three-axis acceleration (X-Accl, Y-Accl, Z-accl) and three axis angular velocity (X-Gyro, Y-Gyro and Z- Axis acceleration sensor and a 3-axis gyro sensor for outputting the measurement result to the microcontroller. The device for extracting a biomechanical parameter for diagnosis of a movement disorder using a shoe.
The method according to any one of claims 1, 3, and 4,
(X-Gyro, Y-Gyro, and Z-Gyro) input from the three-axis acceleration sensor and the three-axis gyro sensor of the tracer sensor unit, A register unit for temporarily storing the data;
A wireless interface unit for converting and transmitting the wireless data according to the UART communication standard of each of the timer data stored in the register unit; And
And an external memory interface unit for storing the tracer data in the external memory card through each of the interface units. The apparatus for extracting a biomechanical parameter for a movement defect diagnosis using a shoe.
The method according to claim 1,
(X-Gyro, Y-Gyro) from each of the four data acquisition modules worn on the subject's left, right arm and left and right shoe , Z-Gyro). The apparatus for extracting a biomechanical parameter for diagnosis of movement disorder using shoes.
The method according to claim 1,
The diagnostic device receives input of each of the tracer data collected from the data collection module and determines the degree of tremor of the subject's arm and foot, resting tremor, rigidity, bradykinesia, and postural instability. A diagnostic computer or a smart mobile device equipped with a diagnostic program for diagnosing an abnormal movement disorder including an abnormality of the movement of the user.
The method according to claim 1,
Wherein the wireless communication unit transmits a wireless communication method including Bluetooth, ZigBee, and Nordic.
The method according to claim 1,
Wherein the external memory card is a micro SD card or an SD card.
The method according to claim 1,
Wherein the diagnostic apparatus receives the pressure data of the pressure sensor measured in the shoe and the 3-axis acceleration and the 3-axis angular velocity data, analyzes the footprint information of the subject and the gait pattern, and provides the parameter as a parameter necessary for diagnosis of a trouble. A Biomechanical Parameter Extraction Device for Diagnosis of Motor Disability.

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