KR100745034B1 - Integrated diagnostic analysis device of muscle function - Google Patents

Abstract

The present invention simultaneously detects muscle strength, exercise angle (inclination) and EMG signals in a single device, and analyzes the detected signals to make a very precise diagnosis such as exercise diagnosis or rehabilitation diagnosis and treatment accordingly. The present invention relates to an integrated diagnostic analysis apparatus for muscle function such as angle and electromyography, and includes a muscle force sensor 110 that detects and outputs a signal of muscle strength of a subject, and a 3D coordinate of a direction of movement of a body part to be measured. 3D angle detection sensor 120 for detecting and outputting the signal by processing the signal, EMG measurement sensor 130 for detecting the EMG signal of the measurement site, the muscle force sensor 110, 3D angle detection sensor 120 And a measurement amplifier 140 for receiving each signal detected by the EMG sensor 130 and amplifying the signal and outputting the signal, and the analog output from the measurement amplifier 140. A / D converter 150 for converting an arc into a digital signal and outputting the signal, and receiving the signal output from the A / D converter 150 to calculate muscle strength data, EMG data, and movement angle (inclined angle) data. And a microcomputer 160 for generating and storing the same in a memory, and a communication interface 170 for allowing the PC 200 and the microcomputer 160 to exchange data.

Description

Integrative muscle function analysis device

1 is a circuit block diagram of an integrated diagnostic analysis device of muscle function according to the present invention,

2a to 2c is a configuration diagram when measuring the strength and exercise angle in accordance with an embodiment of the present invention,

3 is a control flowchart of an integrated diagnostic analysis apparatus for muscle function according to the present invention.

<Description of the symbols for the main parts of the drawings>

100: diagnostic and analysis device 110: muscle strength sensor

120: 3D angle detection sensor 130: EMG sensor

140: measurement amplifier 150: A / D conversion unit

160: micom 161: ROM

162: RAM 170: communication interface unit

200: PC P: measuring probe

The present invention relates to an integrated diagnostic analysis device for measuring muscle function, such as muscle strength, exercise angle and electromyography, and more particularly, to simultaneously detect the muscle strength, exercise angle (tilt) and EMG signal in a single device, The present invention relates to an integrated diagnostic analysis apparatus for muscle function, which enables a very precise diagnosis such as exercise diagnosis or rehabilitation medicine diagnosis and treatment according to the signal analysis.

As is well known, many apparatuses for measuring muscle strength and electromyography have been devised in the past.

The muscle strength is represented by the maximum tension that any muscle exerts without changing the length of the muscle, in the case of the average person expressed in kg unit, measured by a muscular dynamometer, a back muscle gauge and the like.

In addition, the EMG is a graph recording the current generated when the muscle is active, the surface derivation method to guide the potential by attaching an electrode to the surface of the human skin, and the activity generated at a point in the muscle by inserting the needle electrode into the muscle There is a needle electrode method that draws electric potential and detects activity of a motor unit.

Such devices for measuring muscle strength or electromyography detect the abnormal state by checking the condition of the subject, and provide data on the corresponding exercise or rehabilitation medicine to enable treatment accordingly.

However, the conventional apparatuses are independently configured, and there is a double hassle of providing the current state or prescription by using the data from the muscle strength and the data from the electromyogram, especially the body to be measured. As it detects only muscle strength and electromyogram of the site, it is possible to accurately and precisely detect the direction in which the actual body part can not move, and in contrast, the direction in which the body part cannot be moved (moves) due to muscle damage. There was no way.

The detection of the movement direction is a very important function in the measurement of the body part to be measured. In other words, it is necessary to understand the direction in which the body part to be measured does not move, but it is possible to determine the exact obstacle part of the muscle. The measured muscle dysfunction is an indicator that reflects the neuromusculoskeletal abnormalities and can be used as an important indicator for evaluating the neuromuscular, skeletal abnormalities.

The present invention has been made under the above-mentioned background, and an object of the present invention is to simultaneously detect the muscle strength, the movement angle (tilt), the EMG signal, and the like in a single device, and analyze the detected signals to analyze abnormalities of the nerve, muscle, and skeletal system. The present invention provides an integrated diagnostic analysis apparatus for muscle function such as muscle strength, exercise angle, and electromyography, which enables highly precise diagnosis such as exercise diagnosis or rehabilitation medicine diagnosis and treatment according to the evaluation of muscle function reflecting this function.

The present invention for achieving the above object is to detect the signal strength and the muscle force of the measured body part that resists the force applied to the measured body part of the subject for the test for the test to measure and output the signal Muscle strength sensor; A 3D angle detection sensor for detecting and outputting 3D coordinates of the movement direction of the body part to be measured by the subject; An EMG sensor for detecting an EMG signal at the site to be measured; A measurement amplifier which receives each signal detected from the muscle force sensor, the 3D angle detection sensor, and the EMG measurement sensor and amplifies the signal and outputs the signal; An A / D converter converting the analog signal output from the measurement amplifier into a digital signal and outputting the digital signal; A microcomputer that receives the signal output from the A / D converter and calculates and generates muscle strength data, electromyogram data, and movement angle (inclined angle) data, and stores them in a memory; It has a feature that includes a communication interface that allows the PC and the microcomputer to exchange data.

In addition, the muscle strength sensor and the 3D angle detection sensor of the present invention is characterized in that it is configured to be built in the measurement probe.

The microcomputer of the present invention detects the change value (x ', y', z ') of the 3D coordinates (x, y, z) of the measurement probe detected by the 3D angle detection sensor, and calculates the movement angle (inclination) data. It is characterized by.

Muscle strength sensor of the present invention is to measure the grip force using the subject's hand or to contact (connected) one side to the hand of the measurer, the other side is configured to contact (connected) the body part of the subject to be measured In addition, the subject measures the pressure reflecting the muscle function of the subject by applying the force that moves the subject's body part to the subject to the force applied for the test.

3D angle detection sensor of the present invention is characterized in that it is configured to be a predetermined velcro (belcro) band, tape attached type, to be wound or attached to the body part to be measured.

The microcomputer of the present invention is characterized by generating the treatment information data according to the exercise diagnosis and rehabilitation diagnosis by analyzing the calculated muscle strength data, EMG data and the movement angle (inclined angle) data.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a circuit block diagram of an integrated diagnostic analysis apparatus of muscle function, such as muscle strength, exercise angle and electromyography according to the present invention.

As shown, the muscle strength, exercise angle and EMG integrated diagnostic analysis apparatus 100 according to the present invention is a muscle strength sensor 110, 3D angle detection sensor 120, EMG sensor 130, instrumentation amplifier 140 ), An A / D conversion unit 150, a microcomputer 160, a ROM 161, a RAM 162, and a communication interface unit 170.

The muscle strength sensor 110 is a sensor for detecting muscle strength, and detects the strength of the subject to resist the force applied to a certain body part of the subject for the test or the force of the subject to test and output the signal by processing it do.

The 3D angle detection sensor 120 detects and outputs 3D coordinates of the direction of movement of the body part to be measured by signal processing.

In addition, the muscle strength sensor 110 and the 3D angle detection sensor 120 is built in a predetermined measurement probe (P) as shown in Figures 2a to 2c, to measure the muscle strength and the movement angle of the subject to be measured It will be detected at the same time.

Looking at the measuring probe (P) in more detail with reference to Figures 2a to 2c, first, the cylindrical measuring probe (P) shown in Figure 2a is the measurement probe (P) in accordance with the movement of the subject at the initial position (A) When moving to the position B, the change value (x ', y', z ') of the 3D coordinates (x, y, z) is detected, and the angle according to the direction of movement, that is, the movement angle (tilt) is calculated; At the same time, the strength of the body part to be measured is detected through the grip force of the subject. The grip force is measured by a general pressure measuring method using a piezo element.

In addition, the shape shown in Figure 2b is composed of a measuring probe (P) in the form of a matchbox, which means that the measuring device grabs the measuring probe (P) and the front part (P1) in contact with the body part to be measured When pressed, it is a method of detecting the strength of the body part of the subject to be measured against it. This also detects the change value (x ', y', z ') of the 3D coordinates (x, y, z) of the measurement probe P, and calculates the angle (inclination degree) according to the movement direction.

2c shows that the measuring probe P is configured in the form of a blackboard eraser, and its function is the same as that of the measuring probe P of the matchbox structure.

This movement angle is used as an important data to accurately determine the site and extent of muscle dysfunction related to or not related to symptoms such as pain of the subject, and muscle dysfunction is an index reflecting nerve, muscle, and skeletal abnormalities. In addition, it can be used as an important indicator for evaluating the nerve, muscle, and skeletal abnormalities.

In addition, the measurement probe (P) according to the present invention can be used in various sensor forms for various parts of the human body in addition to the above-described form according to the use and needs can be used in various ways, it is possible to expand the scope of application for various musculoskeletal diseases.

The EMG sensor 130 is composed of a plurality of electrode pads, and after attaching the electrode pad to the measurement site, by flowing a constant current to detect the presence or absence of abnormality, such as the exercise function.

The measurement amplifier 140 receives each signal detected from the muscle force sensor 110, the 3D angle detection sensor 120, and the EMG sensor 130, and amplifies and outputs the signals.

The A / D converter 150 converts the analog signal output from the measurement amplifier 140 into a digital signal and outputs the digital signal.

The microcomputer 160 receives the signal output from the A / D converter 150, calculates and generates muscle strength data, electromyogram data, and movement angle (inclined angle) data, and stores them in the RAM 162. give.

In addition, the microcomputer 160 may generate treatment information data according to exercise diagnosis and rehabilitation diagnosis by analyzing the calculated muscle strength data, EMG data, and exercise angle (inclined angle) data.

The ROM 161 is a memory incorporating the entire driving program of the apparatus, and the RAM 162 is a memory for temporarily storing various data under the control of the microcomputer 160.

The communication interface unit 170 is a circuit unit that allows the external device and the microcomputer 160 to exchange data, and is capable of RS232 communication and USB communication.

In addition, the integrated diagnostic analysis apparatus 100 according to the present invention is connected to the PC 200 which is an external device through the communication interface 170, muscle strength data, exercise detected through the integrated diagnostic analysis apparatus 100 By displaying the angle (inclined angle) data and EMG data or by using a predetermined application program installed in the PC 200 itself, it is possible to receive treatment information according to various exercise diagnosis and rehabilitation diagnosis.

On the other hand, according to another embodiment of the present invention, the muscle strength sensor 110 and the 3D angle detection sensor 120 may be configured independently.

At this time, the muscle strength sensor 110 measures the grip force (measured in the hand) of the subject, such as the cylindrical measuring probe (P) of Figure 2a, or the match box shape or the blackboard eraser shape as shown in Figures 2b and 2c As the probe P, the subject measures the pressure on the muscle function of the subject to be measured by measuring the force of the body part to be measured against the force exerted for the test. The measurement probes P described here are excluded from the 3D angle detection function.

In addition, the independently configured 3D angle detection sensor 120 is composed of a predetermined velcro-shaped band to take a method of winding the body part to be measured (for arms and legs), or to attach a predetermined tape. After attaching to the body part to be measured, the movement angle (direction) can be detected as 3D coordinates through the movement of the body part to be measured.

3 is a control flowchart of an integrated diagnostic analysis apparatus for muscle function such as muscle strength, exercise angle, and electromyography according to the present invention.

As shown, the present invention is a step of measuring the muscle strength using the muscle strength sensor 110 (S11), and using the 3D angle detection sensor 120 for detecting the 3D angle according to the movement direction (S12) And calculating an exercise angle (tilt) using the detected 3D angle (S13), detecting the EMG using the EMG sensor 130 (S14), the detected muscle force data, Storing the exercise angle data and the EMG data (S15); analyzing the muscle force data, the exercise angle data and the EMG data to generate analysis data (S16); and transmitting the generated analysis data to the PC. (S17) is included.

The operation of the present invention configured as described above will be described in more detail.

First, power is applied to the integrated diagnostic analysis apparatus 100 of the present invention, and an electrode pad, which is an EMG sensor 130, is attached to a diagnosis (measurement) portion of a subject, and the subject is measured using a measurement probe P as shown in FIG. 2A. ), Or the measurer presses the body part of the subject to be measured using the measuring probe P as shown in FIG. 2B or 2C.

At this time, the subject is unable to exercise at the site of pain or at the site of abnormal muscle function due to other nerve, muscle, and skeletal system abnormalities, and at the same time, the repulsive force of the grip or the body part to be measured is different. As a result, you can exercise only in areas other than painful areas or only in a limited range of muscle function.

While performing the measurement operation through the measurement probe P several times, the muscle force detection signal is generated by the muscular strength sensor 110, and the position according to the movement direction of the subject is measured by the 3D angle detection sensor 120. Coordinate signals (x, y, z → x ', y', z ') are generated, and the EMG signal is generated by the EMG sensor 130.

Of course, here it is described as measuring the muscle strength or the 3D motion angle in the form of the measuring probe (P) shown in Figures 2a to 2c, as described above, the measuring method can be a variety of measurements in various forms of the sensor Those skilled in the art will appreciate.

Each of the generated signals is input to the measurement amplifier 140 and signal amplified, and then input to the microcomputer 150.

The microcomputer 150 generates muscle strength data and electromyography data by using the signals input from the measurement amplifier 140, and uses a coordinate signal input from the 3D angle detection sensor 120 to use a motion angle (inclination degree). ) To generate the movement angle data.

When the muscle strength data, the movement angle data and the EMG data are generated, the microcomputer 160 stores the data in the RAM 162. (S11 to S15)

The data are analyzed to synthesize the measurement results reflecting muscle function abnormalities according to the functional abnormalities of the subject's nerve, muscle, and skeletal system (S16 step).

The microcomputer 160 transmits the analysis data to the PC 200 through the communication interface 170 (step S17).

The PC 200 uses muscle data, motion angle data, and EMG data input from the communication interface unit 170 to reflect muscle function of the subject's nerve, muscle, and skeletal system. As the above indicators, information on treatment areas such as exercise diagnosis or rehabilitation medicine diagnosis is provided.

As described above, the present invention simultaneously detects the above-mentioned muscle strength, exercise angle and EMG signal in a single device, analyzes the detected signals, evaluates muscle dysfunction reflecting abnormalities of the neuromuscular skeletal system, and diagnoses exercise. It is a useful invention to enable a very precise diagnosis and treatment according to such a diagnosis or rehabilitation medicine.

Claims (4)

A muscle force sensor 110 which detects the muscle force of the body part to be measured that resists the force applied to the body part to be measured by the measurer's grip force or the tester, and outputs the signal by processing the signal; A 3D angle detection sensor 120 for detecting and outputting 3D coordinates of a direction of movement of a body part to be measured by a user to be signal processed; An EMG sensor 130 for detecting an EMG signal at the portion to be measured; A measurement amplifier 140 which receives each signal detected from the muscle force sensor 110, the 3D angle detection sensor 120, and the EMG measurement sensor 130, amplifies the signal and outputs the signal; An A / D converter 150 for converting an analog signal output from the instrumentation amplifier 140 into a digital signal and outputting the digital signal; A microcomputer (160) for receiving the signal output from the A / D converter (150) to calculate and generate muscle strength data, electromyogram data, and exercise angle (inclined angle) data, and to store them in a memory; And PC 200 and the microcomputer 160, the integrated diagnostic analysis device of muscle function, characterized in that it comprises a communication interface unit 170 for exchanging data.  The method of claim 1, The muscle strength sensor 110 and the 3D angle detection sensor 120 is integrated diagnostic analysis device of muscle function, characterized in that configured to be built in the measurement probe (P). The method of claim 1, The microcomputer 160 detects the change value (x ', y', z ') of the 3D coordinates (x, y, z) of the measurement probe P detected by the 3D angle detection sensor 120, the movement angle (Inclination) Integrated diagnostic analysis device for muscle function, characterized in that to calculate the data. The method of claim 1, The microcomputer 160 analyzes the calculated muscle strength data, EMG data, and movement angle (inclined angle) data to generate treatment information data according to exercise diagnosis and rehabilitation diagnosis.

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