TW201601067A - Knee joint motion recording device and knee protector - Google Patents

Abstract

The present invention provides a knee joint motion recording device, which utilizes a displacement sensing module and a sound sensing module for sensing displacement and sounds of a patient's knee joint generated during activities such as walking and running. The invention utilizes a signal processing module to perform calculation for converting the displacement and sounds into displacement change data and sound data for storage, so as to record the patient's daily life activities and the condition of the knee during the activities, such that a professional medical staff can determine the cause, health condition or recovery condition of the knee based on the displacement change data and the sound data, in order to diagnose the disease in a faster and more effective way and further to provide corresponding treatment and entire appropriate care. Furthermore, the present invention provides a knee protector, which comprises a knee joint motion recording device, and can provide functions of both protecting the knee as well as recording displacement and sounds of a knee joint generated during activities such as walking and running.

Description

Knee joint recording device and knee protector

The present invention relates to a knee joint activity recording device and a knee brace for recording and storing the sound and displacement of a patient's knee joint during an activity.

The structure of the human knee joint includes components such as the femur, tibia, fibula, anterior and posterior cruciate ligament, medial and lateral ligament, and medial and lateral meniscus. Clinically, the cause of knee injury is usually caused by aging or trauma, which causes the mechanical properties of the knee joint components to change, thereby affecting the stability and balance of the knee joint, and accelerating the deterioration of the degree of injury. If not properly treated in time, It may cause sequelae such as degenerative arthritis. However, knee joint injury has no obvious symptoms at an early stage, so it is difficult to diagnose. When there are obvious symptoms, it often has irreversible damage, and only negative remedies can be used to delay the deterioration.

Most of the techniques used to determine the degree of injury in the knee joint are mostly when the patient is seeking medical treatment, and the diagnosis results of the patient are diagnosed by a large instrument such as magnetic resonance imaging (MRI), or the joint vibration is used. The measurement of the amplitude of the sound of the knee joint under the flexion and extension angle of the lower extremity is a basis for judgment. However, for patients with uncomfortable knee joints, it is difficult to cover daily life during a short test time at the time of medical treatment. The condition of knee injury may occur, and only the condition of the knee joint has been damaged and damaged can be confirmed negatively. It is impossible for medical doctors such as doctors and rehabilitation doctors to refer to the daily activities of the patient to find out the cause. Determine medical guidelines or provide reminders and recommendations for individual patient situations.

Moreover, in daily life, patients can only use the general knee protectors to strengthen and protect the fixed knee joints. When the knees have been severely damaged and cause pain, they know that they should seek medical treatment as soon as possible. Corresponding physiological parameter parameter changes are data-based and immediately monitored, and the medical and daily care techniques of the knee joint are insufficient.

Therefore, there is a need for a technique for monitoring the health of the knee joint and for identifying early knee injury to aid early diagnosis and treatment and to prevent its adverse consequences.

An object of the present invention is to provide a knee joint activity recording device capable of recording changes in parameters such as sound and displacement caused by activities of a knee joint, so as to provide medical professionals with reference in diagnosis, so that professional medical personnel can understand The health of the patient's knee during daily activities is a comprehensive and complete assessment of the knee joint and subsequent medical decisions.

To achieve the above and other objects, a knee joint activity recording apparatus for fixing to a knee of a leg for recording a parameter change of a knee joint due to an activity, the knee joint activity recording apparatus including a displacement a sensing module, a sound sensing module and a signal processing module, wherein the displacement sensing module is configured to sense a horizontal displacement and a vertical displacement of the knee joint, and generate a displacement sensing signal according to the sound sense; The measuring module is configured to sense the sound generated by the knee joint, and generate a sound sensing signal according to the sounding module; the signal processing module is electrically connected to the displacement sensing module and the sound measuring module for receiving The displacement signal operation is converted into displacement change data and the received audio signal is converted into sound source data and stored.

The knee joint activity recording device further includes a wireless transmission module electrically connected to the signal processing module for transmitting the displacement change data and the amplitude data to a cloud storage device.

In the above-mentioned knee joint activity recording device, the signal processing module has a time unit for causing the displacement sensing signal and the signal data of the sound sensing signal to have corresponding time information.

In the above described knee joint activity recording device, the signal processing module is configured to control the wireless transmission module according to a preset time interval to transmit the displacement change data and the sound source data to the cloud storage device.

The knee joint activity recording device further includes a GPS positioning module electrically connected to the signal processing module, wherein the GPS positioning module is configured to generate a position signal according to the location for the signal processing module. Store it.

The knee joint activity recording device, wherein the signal processing module has a processing unit and a storage unit, wherein the processing unit is configured to convert the displacement sensing signal operation into displacement change data and calculate the sound sensing signal Converted into sound source data, the storage unit is configured to store the displacement change data and the sound source data.

In the above knee joint activity recording device, the displacement sensing module comprises a miniature air pressure sensor and a vibration sensor for sensing a vertical displacement of the knee joint, the vibration sensor is used for The horizontal displacement of the knee joint is sensed.

The above knee joint activity recording device, wherein the sound source data includes amplitude or frequency.

The above-mentioned knee joint activity recording device further includes an environment sensing module electrically connected to the signal processing module, wherein the environment sensing device measures at least one of temperature, humidity and air pressure, and according to An environmental sensing signal is generated for storage by the signal processing module.

Another object of the present invention is to provide a knee brace that simultaneously provides protection for the knee and records changes in parameters such as sound and displacement of the knee joint due to movement.

In order to achieve the above and other objects, the knee brace of the present invention comprises the above-described knee joint activity recording device and a wearing member, and the knee joint movable recording device is disposed on the wearing member, and the wearing member is wrapped around and fixed to Outside the knee.

The above-mentioned knee protector, wherein the wearable member has a base fixing strap, a first reinforcing strap and a second reinforcing strap, and the first reinforcing strap and the second reinforcing strap are disposed on the base strap And the first reinforcing strap is located on the upper edge of the wearing member to correspondingly surround the thigh femur, and the second reinforcing strap is disposed on the lower edge of the wearing member to correspondingly surround the outside of the calf tibia.

The knee brace described above, wherein the knee joint recording device is fixed to the base strap and the sound sensing module is placed inside the tibia of the knee joint.

The above knee protector, wherein the base fixing strap is made of an elastic material.

The above knee protector, wherein the first reinforcing strap and the second reinforcing strap comprise a devil felt for reinforcement.

Accordingly, the knee joint activity recording device of the present invention can sense the displacement and the generated sound of the knee joint of the patient during walking, running and the like by the displacement sensing module and the sound sensing module. And the signal processing module is converted into displacement change data and sound source data and stored to record the activities of the patient's daily life and the condition of the knee during the activity, so that the medical staff can use the displacement when seeking medical treatment in the future. The change data and the source data interpret the cause, health or recovery of the knee to facilitate faster and more effective diagnosis of the condition, and provide follow-up treatment and comprehensive and appropriate care. In addition, the knee protector of the present invention can simultaneously provide protection for the knee and record the displacement and sound generated by the knee joint during walking, running and the like.

In order to fully understand the objects, features and advantages of the present invention, the present invention will be described in detail by the following specific embodiments and the accompanying drawings.

First, referring to Fig. 1, a block diagram of a knee joint activity recording apparatus 1 according to a first embodiment of the present invention is used for fixing to a knee of a patient's leg to record the knee joint factor. The parameter changes caused by the activity, so that the medical staff such as the physician or the rehabilitation doctor can know the health of the knee under the daily activities of the patient's knee according to the changes of the parameters, which is helpful to assist in judging the subsequent treatment decision or providing comprehensive and appropriate Care.

The knee joint activity recording device 1 of the first embodiment of the present invention mainly includes a displacement sensing module 10, a sound sensing module 20, and a signal processing module 30, wherein the displacement sensing module 10 is used for sensing The horizontal displacement and the vertical displacement of the knee joint, and accordingly, a displacement sensing signal is generated, wherein the displacement sensing signal includes physical quantity information of the horizontal displacement parameter and the vertical displacement parameter; the sound sensing module 20 is used for Sensing the sound generated by the knee joint, and generating a sound sensing signal; the signal processing module 30 is electrically connected to the displacement sensing module 10 and the sound measuring module 20 for receiving the received sound The displacement signal operation is converted into displacement change data and the received sound signal operation is converted into sound source data and stored.

Accordingly, the knee joint activity recording device 1 of the first embodiment of the present invention senses the knee joint of the patient during walking, running, and the like by the displacement sensing module 10 and the sound sensing module 20 The displacement and the generated sound are then converted into displacement change data and sound source data by the signal processing module 30 and stored to record the daily activities of the patient and the condition of the knee during the activity, so that the medical treatment can be made in the future. The professional medical staff can record the cause, health condition or recovery of the knee by storing the recorded displacement data and the sound source data, so as to facilitate the diagnosis of the condition more quickly and effectively, and provide follow-up treatment decisions and comprehensive and appropriate care.

In this embodiment, the knee joint activity recording device 1 can include a wireless transmission module 40 electrically connected to the signal processing module 30 for using the displacement change data and the amplitude. The data is transferred to a cloud storage device 2. The wireless transmission module 40 can include a wireless transmission interface such as Bluetooth or Wi-Fi, and the displacement change data and the amplitude data can be transmitted to the cloud storage device 2, and the medical professional can at any time The cloud storage device 2 reads or downloads the displacement change data and the amplitude data to view, analyze, and reference or perform immediate monitoring when seeking medical treatment.

As shown in the figure, the signal processing module 30 has a processing unit 32 and a storage unit 33 for converting the displacement sensing signal into displacement change data and calculating the sound sensing signal. Converted into sound source data, the storage unit 33 is configured to store the displacement change data and the sound source data.

In this embodiment, the processing unit 32 of the signal processing module 30 converts the sound sensing signal into sound source data through Fourier transform (Fourier Transform), filtering analysis, and the like, and the sound source data includes amplitude or frequency.

The signal processing module 30 has a time unit 31 for causing the displacement sensing signal and the signal data of the sound sensing signal to have corresponding time information, so that the signal processing module 30 calculates the displacement change of the conversion. The data and the sound source data have corresponding time information, and the knee activity and the sound of the knee joint of the patient at the corresponding time point can be examined.

In this embodiment, the signal processing module 30 is configured to control the wireless transmission module 40 according to a preset time interval to transmit the displacement change data and the sound source data to the cloud storage device 2. The preset time interval can be set by a user, for example, through a user interface or a physical button on the knee joint activity recording device 1, or through a remote end (for example, a personal computer or a notebook computer). A mobile device such as a mobile phone or a tablet computer is connected to the knee joint activity recording device 1 and set by software.

As shown in FIG. 1 , the knee joint activity recording device 1 further includes a GPS positioning module 50 electrically connected to the signal processing module 30 for generating a position signal according to the location. For storage by the signal processing module 30. Moreover, the signal processing module 30 correlates the position signal, the displacement sensing signal and the sound sensing signal, so that the health condition of the patient's knee and the time and place of daily activities are recorded, further The ground can be transmitted to the cloud storage device 2.

As shown in FIG. 1 , the knee joint activity recording device 1 further includes an environment sensing module 60 electrically connected to the signal processing module 30, wherein the environment sensing device 60 measures temperature, humidity, and At least one of the air pressures is generated to generate an environmental sensing signal for storage by the signal processing module 30. As such, the knee joint activity recording apparatus 1 of the present embodiment can further analyze the cause of the patient by referring to changes in temperature, humidity, or air pressure of the environment.

Referring to FIG. 2, the displacement sensing module 10 of the present embodiment includes a miniature air pressure sensor 11 and a vibration sensor 12 for sensing the vertical displacement of the knee joint. The vibration sensor 12 is configured to sense a horizontal displacement of the knee joint, and the displacement sensing signal generated by the displacement sensing module 10 includes the horizontal displacement parameter sensed by the vibration sensor 12 and The micro-barometric sensor 11 senses the vertical displacement parameter.

Please refer to FIG. 3 and FIG. 4, which are schematic diagrams and state of use diagrams of a second embodiment of the present invention. The knee brace 3 of the second embodiment of the present invention includes the knee joint activity recording device 1 and a wearing member 70 of the first embodiment, wherein the knee joint active recording device 1 is disposed on the wearing member 70. The wearing member 70 is wrapped around and fixed to the outside of the knee to fix the knee joint recording device 1 to the knee of the leg.

As shown in FIG. 3, the wearing member 70 has a base fixing strap 71, a first reinforcing strap 72 and a second reinforcing strap 73. The first reinforcing strap 72 and the second reinforcing strap 73 are provided. The first reinforcing strap 72 is disposed on the upper edge of the wearing member 70 to correspondingly surround the thigh femur outer portion 110. The second reinforcing strap 73 is disposed under the wearing member 70. The edge is adapted to surround the outer portion 120 of the calf.

The base fixing strap 71 can be made of an elastic material and can be tightly wrapped around the knee, and the first reinforcing strap 72 and the second reinforcing strap 73 comprise a devil felt for reinforcement and fixation. The member 70 can be fixed to the knee so that the position of the knee joint recording device 1 can be fixed. In particular, the knee joint activity recording device 1 is fixed to the base fixing belt 71 and the sound sensing module 20 is placed inside the tibia of the knee joint. In the present embodiment, the patient must first wear the knee brace 3 when standing still, that is, straighten the leg to wear the knee brace 3 and the first reinforcing strap 72 and the second reinforcing strap 73. Fixed to align the sound sensing module 20 at the inner side of the tibia of the knee joint.

In addition, the wear member 70 can have a thicker cushion at the corresponding knee to achieve the effect of protecting the knee.

Accordingly, the knee protector 3 of the second embodiment of the present invention can provide the function of protecting the knee, and the displacement sensing module 10 and the sound sensing module 20 in the knee joint activity recording device 1 can be utilized. To sense the displacement and the generated sound of the knee joint of the patient during walking, running, and the like, and then convert the data into the displacement change data and the sound source data by the signal processing module 30 and store it to record the daily life of the patient. The activity of the knee and the condition of the knee during the activity, so that the medical professional can judge the cause, health condition or recovery of the knee by the displacement change data and the sound source data in the future, so as to facilitate the diagnosis of the disease more quickly and effectively. And provide follow-up treatment and comprehensive and appropriate care.

The invention has been described above in terms of the preferred embodiments, and it should be understood by those skilled in the art that the present invention is not intended to limit the scope of the invention. It should be noted that variations and permutations equivalent to those of the embodiments are intended to be included within the scope of the present invention. Therefore, the scope of protection of the present invention is defined by the scope of the patent application.

1‧‧‧Knee joint activity recording device
2‧‧‧Cloud storage device
3‧‧‧Knee protectors
10‧‧‧ Displacement Sensing Module
11‧‧‧Micro Pressure Sensor
12‧‧‧Vibration sensor
20‧‧‧Sound Sensing Module
30‧‧‧Signal Processing Module
31‧‧‧ time unit
32‧‧‧Processing unit
33‧‧‧ storage unit
40‧‧‧Wireless Transmission Module
50‧‧‧GPS positioning module
60‧‧‧Environment Sensing Module
70‧‧‧ wearing parts
71‧‧‧Basic fixation belt
72‧‧‧First reinforcing strap
73‧‧‧Second reinforcing strap
110‧‧‧Thigh femur outside
120‧‧‧ calf tibia outside

Fig. 1 is a block diagram showing a knee joint activity recording apparatus according to a first embodiment of the present invention. 2 is a block diagram showing the displacement sensing module in the knee joint activity recording device according to the first embodiment of the present invention. Figure 3 is a schematic view of a knee brace of a second embodiment of the present invention. Figure 4 is a view showing the state of use of the knee brace of the second embodiment of the present invention.

1‧‧‧Knee joint activity recording device

2‧‧‧Cloud storage device

10‧‧‧ Displacement Sensing Module

20‧‧‧Sound Sensing Module

30‧‧‧Signal Processing Module

31‧‧‧ time unit

32‧‧‧Processing unit

33‧‧‧ storage unit

40‧‧‧Wireless Transmission Module

50‧‧‧GPS positioning module

60‧‧‧Environment Sensing Module

Claims (14)

A knee joint activity recording device for being fixed to a knee of a leg to record a parameter change of the knee joint due to an activity, comprising: a displacement sensing module for sensing horizontal displacement and verticality of the knee joint Displacement, and accordingly generate a displacement sensing signal; a sound sensing module for sensing the sound generated by the knee joint, and thereby generating a sound sensing signal; and a signal processing module, electrically connected The displacement sensing module and the sound measuring module are configured to convert the received displacement signal into displacement change data and convert the received sound signal into sound source data and store the sound signal. The knee joint activity recording device of claim 1, further comprising a wireless transmission module electrically connected to the signal processing module for transmitting the displacement change data and the amplitude data to a cloud storage In the device. The knee joint activity recording device of claim 1, wherein the signal processing module has a time unit for causing the displacement sensing signal and the signal data of the sound sensing signal to have corresponding time information. The knee joint activity recording device of claim 3, wherein the signal processing module is configured to control the wireless transmission module according to a preset time interval to transmit the displacement change data and the sound source data to In the cloud storage device. The knee joint activity recording device of claim 4, further comprising a GPS positioning module electrically connected to the signal processing module, wherein the GPS positioning module is configured to generate a position signal according to the location. For storage by the signal processing module. The knee joint activity recording device of claim 3, wherein the signal processing module has a processing unit and a storage unit, wherein the processing unit is configured to convert the displacement sensing signal operation into displacement change data and The sound sensing signal operation is converted into sound source data, and the storage unit is configured to store the displacement change data and the sound source data. The knee joint activity recording device of claim 1, wherein the displacement sensing module comprises a miniature air pressure sensor and a vibration sensor for sensing a vertical displacement of the knee joint The vibration sensor is used to sense the horizontal displacement of the knee joint. The knee joint activity recording device of claim 1, wherein the sound source data comprises an amplitude or a frequency. The knee joint activity recording device of claim 1, further comprising an environment sensing module electrically connected to the signal processing module, wherein the environment sensing device measures temperature, humidity and air pressure. At least one of them generates an environmental sensing signal for storage by the signal processing module. A knee protector, comprising the knee joint activity recording device according to any one of claims 1-9, and a wearable member, the knee joint activity recording device being disposed on the wearable member, the wearable member Surround and fixed to the outside of the knee. The knee protector of claim 10, wherein the wearable member has a base fixing strap, a first reinforcing strap and a second reinforcing strap, the first reinforcing strap and the second reinforcing strap The strap is disposed on the base fixing strap, and the first reinforcing strap is located on the upper edge of the wearing member to correspondingly surround the outer part of the thigh femur, and the second reinforcing strap is disposed on the lower edge of the wearing member to correspondingly surround Outside the calf tibia. The knee brace of claim 11, wherein the knee joint recording device is fixed to the base strap and the sound sensing module is placed inside the tibia of the knee joint. The knee brace of claim 11 or 12, wherein the base strap is made of an elastic material. The knee brace of claim 13, wherein the first reinforcing strap and the second reinforcing strap comprise a devil felt for reinforcement.