CN109730685B - Spasm evaluation device based on ankle joint angle and angular acceleration - Google Patents
Spasm evaluation device based on ankle joint angle and angular acceleration Download PDFInfo
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- CN109730685B CN109730685B CN201910160235.XA CN201910160235A CN109730685B CN 109730685 B CN109730685 B CN 109730685B CN 201910160235 A CN201910160235 A CN 201910160235A CN 109730685 B CN109730685 B CN 109730685B
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- 230000001133 acceleration Effects 0.000 title claims abstract description 78
- 208000005392 Spasm Diseases 0.000 title abstract description 9
- 210000000544 articulatio talocruralis Anatomy 0.000 title abstract description 8
- 238000011156 evaluation Methods 0.000 title description 4
- 238000012545 processing Methods 0.000 claims abstract description 38
- 210000002683 foot Anatomy 0.000 claims abstract description 34
- 208000008238 Muscle Spasticity Diseases 0.000 claims abstract description 29
- 208000018198 spasticity Diseases 0.000 claims abstract description 29
- 210000003423 ankle Anatomy 0.000 claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 2
- 208000007101 Muscle Cramp Diseases 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 208000006011 Stroke Diseases 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 210000003414 extremity Anatomy 0.000 description 2
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000002490 cerebral effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007659 motor function Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000011158 quantitative evaluation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 208000020431 spinal cord injury Diseases 0.000 description 1
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Abstract
The invention discloses a spasticity assessment device based on ankle joint angle and angular acceleration, which comprises a foot fixing module, a shank fixing module, a connecting module and a data processing and displaying module. According to the invention, an acceleration sensor capable of measuring an inclination angle is added to a foot fixing module, and an inclination angle sensor is added to a lower leg fixing module, so that an acceleration signal and an angle signal of a human body during cramping are measured; in addition, the problem of arrangement of the sensor is solved, the measuring precision is improved, the appearance is attractive, simplicity and practicability are realized, portability is realized, and clinical popularization is easy. The invention also discloses another spasticity assessment device based on the ankle joint angle and the angular acceleration. The invention designs the spasticity assessment device based on the ankle angle and the angular acceleration based on the characteristics of the acceleration signal and the angle signal when the human body spasms, solves the placement problem of the acceleration sensor and the absolute angle sensor, has attractive appearance, is simple and practical, is portable, and is easy to clinically popularize.
Description
Technical Field
The invention relates to the technical field of rehabilitation medical equipment, in particular to a spasticity assessment device based on ankle angle and angular acceleration.
Background
The aging degree of society is increased, and the reasons such as cerebral apoplexy, spinal cord injury and the like lead to reduced movement of limb functions, even complete loss, and seriously affect the quality of life. The occurrence of spasticity after stroke is a major cause of influence on the motor functions of the limbs and the recovery of self-care activities of the patient. The incidence of post-stroke spasticity can be 20% -40% or higher. The treatment of spasticity is based on the assessment of spasticity, which is increasingly important for clinical rehabilitation of stroke patients.
At present, no unified method and provision exists for quantitative assessment of spasticity internationally, clinical spasticity assessment still depends on a subjective scale method, and the assessment result is completely based on subjective experience of an assessor. The subjective scale is also fuzzy in classifying the spasticity grades, so that the formulation of a refined rehabilitation scheme and a dosage prescription is limited, the requirement of accurate rehabilitation is difficult to meet, and the fuzzy classification of the spasticity grades cannot meet the requirement of long-term follow-up visit of patients. A series of quantitative evaluation methods are proposed by students from the reflection characteristics and mechanical characteristics of muscles, but each method has certain limitations, such as complex operation, difficult clinical popularization and the like.
Accordingly, there is an urgent need for a spasticity assessment device based on ankle angle and angular acceleration that is simple in structure, sensor placement, and reasonable in wiring.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the spasticity assessment device based on the ankle joint angle and the angular acceleration, which has simple structure, reasonable sensor arrangement and wiring.
The invention adopts the following technical scheme to solve the technical problems:
a spasticity assessment device based on ankle joint angle and angular acceleration comprises a foot fixing module, a shank fixing module, a connecting module and a data processing and displaying module;
the foot fixing module comprises a pedal, a pedal bottom plate, a pedal connecting sleeve, pedal connecting screws, a positioning plunger, a sole fixing plate, a binding belt, an acceleration sensor capable of measuring an inclination angle and a sensor shell;
the bottom of the pedal is provided with a hole for fixing the pedal connecting sleeve, and one side of the pedal is provided with a semicircular groove-shaped hole for passing through the sensor wire and a hole for fixing the connecting sleeve; the pedal connecting sleeve is fixedly connected to the pedal hole; the pedal connecting screw is fixedly connected to the pedal connecting sleeve; the pedal and the pedal bottom plate form a revolute pair; the sole fixing plate is fixedly connected to the pedal bottom plate; holes preset on two sides of the sole fixing plate are connected through binding bands; the acceleration sensor capable of measuring the inclination angle is fixed on a sensor shell, and the sensor shell is fixedly connected on a pedal;
the shank fixing module comprises a shank fixing plate, a shank fixing shell, a binding belt, an inclination angle sensor and a wire cover plate;
the shank fixing plate is internally provided with a groove (preferably a stepped groove, better fixing and hiding wiring), one end of the shank fixing plate is provided with a hole with larger diameter, and the other end of the shank fixing plate is provided with a groove for placing an inclination sensor; the wire cover plate is fixedly connected to the groove of the shank fixing plate; the shank fixing shell is connected with the binding band and is provided with a hole in the middle for passing through the lead; the inclination sensor is fixed in a groove of the shank fixing plate for placing the inclination sensor;
the connecting module comprises a connecting sleeve, a shank fixing plate shell and connecting screws;
the connecting sleeve is fixedly connected to a hole on one side of the pedal; the shank fixing plate shell is fixedly connected to the shank fixing plate; the connecting screw is fixed on the connecting sleeve and enables the pedal and the shank fixing plate to form a revolute pair;
the data processing and display module comprises: sensor wires, a data processing and displaying assembly and a display shell;
one end of the sensor wire is connected with an acceleration sensor capable of measuring the inclination angle, and the other end of the sensor wire penetrates through a semicircular groove-shaped hole preset by a pedal and a large hole preset by a shank fixing plate along the bottom of the sensor shell and is connected with a data processing and display assembly along the other end of the bottom of a shank fixing plate stepped groove; the inclination sensor is directly connected to the data processing and displaying assembly; the data processing and displaying assembly displays the spasm level; the display shell, the control assembly and the lower leg fixing shell are fixed together;
the inclination angle sensor outputs angle data, which can be an inertial angle sensor, an inertial acceleration sensor, a combination of an acceleration sensor and a gyroscope and an attitude sensor;
the inclination angle-measurable acceleration sensor outputs angle and acceleration data, and can be an inertial acceleration sensor, an acceleration sensor and gyroscope combination and an attitude sensor.
As one of the preferable modes of the invention, the invention also comprises a positioning plunger, wherein the bottom of the pedal is provided with a pit matched with the positioning plunger; the positioning plunger is fixedly connected to the pedal bottom plate and is matched with the concave pit on the pedal to position the pedal bottom plate.
As one of the preferable modes of the invention, the pedal bottom plate is provided with a handle for resetting the ankle after cramping, and the heel limiting plate is fixedly connected to the pedal bottom plate.
As one of the preferable modes of the invention, the invention further comprises a pedal bottom plate shell, wherein the pedal bottom plate shell and the pedal bottom plate are fixed on the pedal bottom plate; the pedals are fixedly connected with the sensor shell through mounting screws in screw holes.
The invention also discloses another spasticity assessment device based on the ankle joint angle and the angular acceleration, which comprises a foot fixing module, a shank fixing module, a connecting module and a data processing and displaying module;
the foot fixing module comprises a pedal, a pedal bottom plate, a pedal connecting sleeve, pedal connecting screws, a sole fixing plate, a binding belt, an acceleration sensor and a sensor shell;
the bottom of the pedal is provided with a hole for fixing the pedal connecting sleeve, and one side of the pedal is provided with a semicircular groove-shaped hole for passing through the sensor wire and a hole for fixing the connecting sleeve; the pedal connecting sleeve is fixedly connected to the pedal hole; the pedal connecting screw is fixedly connected to the pedal connecting sleeve; the pedal and the pedal bottom plate form a revolute pair; the sole fixing plate is fixedly connected to the pedal bottom plate; holes preset on two sides of the sole fixing plate are connected through binding bands; the acceleration sensor is fixed on the sensor shell, and the sensor shell is fixedly connected on the pedal;
the shank fixing module comprises a shank fixing plate, a shank fixing shell, shank binding bands and a wire cover plate;
a groove (optimally a step groove, better fixing and hiding wiring) is formed on one side of the shank fixing plate, a wire fixing cover plate is fixed on the groove, and a hole with larger diameter for passing through a wire is formed at one end of the wire fixing cover plate; the shank fixing shell surface is provided with a hole penetrating through the lead and fixedly connected to the shank fixing plate; the two ends of the shank binding band respectively penetrate through and are fixed on a preset long hole of the shank fixing shell;
the connection module comprises: the sensor comprises a connecting sleeve, an absolute angle sensor and a sensor fixing shell;
the connecting sleeve is fixedly connected to a hole on one side of the pedal; the sensor fixing housing is provided with a hole for fixing the absolute angle sensor and for passing through the wire; the sensor fixing shell is fixed on the shank fixing plate; the shaft of the absolute angle sensor is fixed on the connecting sleeve, and the housing of the absolute angle sensor is fixed on the sensor fixing housing so that the pedal and the shank fixing plate form a revolute pair;
the data processing and display module comprises: sensor wires, a data processing and displaying assembly, a display shell and absolute angle sensor wires;
one end of the sensor shell wire is connected with the acceleration sensor, penetrates through a semicircular groove-shaped hole preset by a pedal and a large hole preset by a shank fixing plate along the bottom of the acceleration sensor shell, and is connected with the data processing and display assembly along the other end of the bottom of the shank fixing plate groove; one end of the absolute angle sensor wire is connected to the absolute angle sensor, penetrates through the sensor fixing shell and is connected to the data processing and display assembly along the bottom of the lower leg fixing plate groove; the data processing and displaying assembly displays the spasm class; the display shell, the control assembly and the lower leg fixing shell are fixed together;
the acceleration sensor 110 outputs acceleration data, which may be an attitude sensor, an angular velocity sensor, a gyroscope, an inertial inclination sensor, or an inertial acceleration sensor.
As one of the preferable modes of the invention, the invention also comprises a positioning plunger, wherein the bottom of the pedal is provided with a pit matched with the positioning plunger; the positioning plunger is fixedly connected to the pedal bottom plate and is matched with the concave pit on the pedal to position the pedal bottom plate.
As one of the preferable modes of the invention, the pedal bottom plate is provided with a handle for resetting the ankle after cramping, and the heel limiting plate is fixedly connected to the pedal bottom plate.
As one of the preferable modes of the present invention, a sensor protection cover is further included, the sensor protection cover being provided on the sensor fixing housing for protecting the absolute angle sensor.
The invention also comprises a pedal bottom plate shell, wherein the pedal bottom plate shell is in shape locking with the pedal bottom plate and is fixed on the pedal bottom plate, and three screw holes for fixing the sensor shell are formed in one side of the pedal and are distributed in a triangular shape; the pedals are fixedly connected with the sensor shell through mounting screws in screw holes.
Compared with the prior art, the invention has the advantages that: the invention designs a spasticity assessment device based on the angle and the angular acceleration of the ankle based on the characteristics of the acceleration signal and the angle signal when the human body spasms, the device can be suitable for the use of left and right feet, and the device is provided with a handle for ankle return after the spasticity, meanwhile, the problem of arrangement of an inclination angle sensor, an acceleration sensor capable of measuring the inclination angle, an acceleration sensor and an absolute angle sensor is solved, and the device is attractive in appearance, simple, practical, portable and easy to clinically popularize.
Drawings
Fig. 1 is a schematic view showing the overall structure of a spasticity assessment device based on ankle angle and angular acceleration in example 1;
FIG. 2 is an exploded view of a foot immobilization module installation in an embodiment;
FIG. 3 is a partial view of an acceleration sensor installation for measuring tilt angle in an embodiment;
FIG. 4 is a partial wiring pattern I in example 1;
FIG. 5 is a partial wiring pattern II in example 1;
FIG. 6 is an exploded view showing the overall installation of a spasticity assessment means based on ankle angle and angular acceleration in example 1;
FIG. 7 is a partial view of the acceleration sensor mounting in example 2;
FIG. 8 is a schematic view showing the overall structure of another ankle angle and angular acceleration-based spasticity assessment device according to example 2;
FIG. 9 is an exploded view showing the overall installation of another ankle angle and angular acceleration-based cramp assessment apparatus according to example 2;
fig. 10 is a partial wiring diagram in embodiment 2.
Detailed Description
The following describes in detail the examples of the present invention, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of protection of the present invention is not limited to the following examples.
Example 1
As in fig. 1-6: as shown, the spasticity assessment device based on ankle angle and angular acceleration of the present embodiment includes a foot fixing module 10, a lower leg fixing module 20, a connecting module 30, and a data processing and displaying module 40;
the foot fixing module 10 comprises a pedal 101, a pedal bottom plate 102, a pedal connecting sleeve 104, a pedal connecting screw 105, a positioning plunger 106, a sole fixing plate 108, a binding belt 109, an acceleration sensor 110 capable of measuring an inclination angle and a sensor housing 111;
the bottom of the pedal 101 is provided with a hole for fixing the pedal connecting sleeve 104, and one side of the pedal is provided with a semicircular groove-shaped hole for passing through the sensor wire 401 and a hole for fixing the connecting sleeve 301; the pedal connecting sleeve 104 is fixedly connected to the pedal 101 hole; the pedal connecting screw 105 is fixedly connected to the pedal connecting sleeve 104; the pedal 101 and the pedal bottom plate 102 form a revolute pair; the sole fixing plate 108 is fixedly connected to the pedal bottom plate 102; holes preset on two sides of the sole fixing plate 108 are connected through a binding belt 109; the acceleration sensor 110 capable of measuring the inclination angle is fixed on the sensor shell 111, and the sensor shell 111 is fixedly connected on the pedal 101;
the shank fixation module 20 comprises a shank fixation plate 201, a shank fixation shell 202, a binding belt 203, an inclination sensor 204 and a wire cover plate 205;
the shank fixing plate 201 has a groove (preferably, a stepped groove, better fixing and hiding wiring) inside, and one end of the shank fixing plate is provided with a hole with a larger diameter, and the other end of the shank fixing plate is provided with a groove for placing the inclination sensor 204; the wire cover plate 205 is fixedly connected to the groove of the shank fixing plate 201; the shank fixation housing 202 is connected to the strap 203 and is provided with a hole for passing a wire therebetween; the inclination sensor 204 is fixed in a groove of the shank fixing plate 201 for placing the inclination sensor 204;
the connecting module 30 comprises a connecting sleeve 301, a lower leg fixing plate shell 302 and a connecting screw 303;
the connecting sleeve 301 is fixedly connected to a hole on one side of the pedal 101; the shank fixing plate casing 302 is fixedly connected to the shank fixing plate 201; the connecting screw 303 is fixed on the connecting sleeve 301, so that the pedal 101 and the shank fixing plate 201 form a revolute pair;
the data processing and display module 40 includes: sensor leads 401, data processing and display assembly 402, display housing 403;
one end of the sensor wire 401 is connected with the acceleration sensor 110 with a measurable inclination angle, and the other end of the sensor wire passes through a semicircular groove-shaped hole preset in the pedal 101 and a large hole preset in the shank fixing plate 201 along the bottom of the sensor shell 111 and is connected with the data processing and display assembly 402 along the other end of the bottom of the shank fixing plate 201 groove; the tilt sensor 204 is directly connected to the data processing and display assembly 402; the data processing and display assembly 402 displays the spasticity rating; the display housing 403 is fixed with the control and display assembly 402 and the lower leg fixing housing 202;
the inclination sensor 204 outputs angle data, which may be an inertial angle sensor, an inertial acceleration sensor, a combination of an acceleration sensor and a gyroscope, or an attitude sensor.
The inclination-measurable acceleration sensor 110 outputs angle and acceleration data, which may be an inertial acceleration sensor, an acceleration sensor and gyroscope combination, and an attitude sensor.
According to the embodiment, the gesture sensors are added to the foot fixing module and the lower leg fixing module, so that acceleration signals and angle signals of a human body during cramping are measured; in addition, the problem of arrangement of the sensor is solved, the measuring precision is improved, the appearance is attractive, simplicity and practicability are realized, portability is realized, and clinical popularization is easy.
In order to facilitate adjustment and positioning, the foot rest can adapt to the use of left and right feet, and further comprises a positioning plunger 106, wherein the bottom of the pedal 101 is provided with a pit matched with the positioning plunger 106; the positioning plunger 106 is fixedly connected to the pedal bottom plate 102, and is matched with the pit on the pedal 101 to position the pedal bottom plate 102.
In order to limit the heel in use, the pedal bottom plate 102 is further provided with a handle for resetting the ankle after cramping, and the heel limiting plate 107 is fixedly connected to the pedal bottom plate 102.
In order to protect the pedal bottom plate and facilitate the disassembly and the assembly between the pedal 101 and the sensor housing 111, the device further comprises a pedal bottom plate housing 103, wherein the pedal bottom plate housing 103 and the pedal bottom plate 102 are fixed on the pedal bottom plate 102; the foothold 101 is fixedly connected with the sensor housing 111 by mounting screws in screw holes.
Example 2
See fig. 7-10: the embodiment also discloses another spasticity assessment device based on ankle angle and angular acceleration, which comprises a foot fixing module 10, a lower leg fixing module 50, a connecting module 60 and a data processing and displaying module 40;
the foot fixing module 10 comprises a pedal 101, a pedal bottom plate 102, a pedal connecting sleeve 104, a pedal connecting screw 105, a sole fixing plate 108, a binding belt 109, a sensor shell 111 and an acceleration sensor 112;
the bottom of the pedal 101 is provided with a hole for fixing the pedal connecting sleeve 104, and one side of the pedal is provided with a semicircular groove-shaped hole for passing through the sensor wire 401 and a hole for fixing the connecting sleeve 301; the pedal connecting sleeve 104 is fixedly connected to the pedal 101 hole; the pedal connecting screw 105 is fixedly connected to the pedal connecting sleeve 104; the pedal 101 and the pedal bottom plate 102 form a revolute pair; the sole fixing plate 108 is fixedly connected to the pedal bottom plate 102; holes preset on two sides of the sole fixing plate 108 are connected through a binding belt 109; the acceleration sensor 112 is fixed on the sensor shell 111, and the sensor shell 111 is fixedly connected on the pedal 101;
the shank fixation module 50 comprises a shank fixation plate 501, a shank fixation housing 502, shank straps 503, and a wire cover plate 504;
a groove is formed on one side of the shank fixing plate 501, a wire fixing cover plate 504 is fixed on the groove, and a hole with larger diameter for passing through a wire is formed at one end of the wire fixing cover plate; the shank fixing case 502 is provided with a hole penetrating the lead wire and fixedly connected to the shank fixing plate 501; both ends of the shank strap 503 are respectively passed through and fixed to the preset long holes of the shank fixing case 502;
the connection module 60 includes: a connecting sleeve 601, an absolute angle sensor 602, and a sensor fixing housing 603;
the connecting sleeve 601 is fixedly connected to a hole on one side of the pedal 101; the sensor fixing housing 603 is provided with a hole for fixing the absolute angle sensor 602 and for passing the wire; the sensor fixing housing 603 is fixed to the lower leg fixing plate 501; the shaft of the absolute angle sensor 602 is fixed on the connecting sleeve 601, and the housing of the absolute angle sensor 602 is fixed on the sensor fixing housing 603 so that the pedal 101 and the shank fixing plate 501 form a revolute pair;
the data processing and display module 40 includes: sensor leads 401, data processing and display assembly 402, display housing 403, absolute angle sensor leads 404;
one end of the sensor wire 401 is connected with the acceleration sensor 112, penetrates through a semicircular groove-shaped hole preset in the pedal 101 and a large hole preset in the shank fixing plate 201 along the bottom of the sensor shell 111, and is connected with the data processing and display assembly 402 along the other end of the bottom of the stepped groove of the shank fixing plate 201; one end of the absolute angle sensor wire 404 is connected to the absolute angle sensor 602, penetrates through the sensor fixing housing 603 and is connected to the data processing and display assembly 402 along the bottom of the stepped groove of the shank fixing plate 501; the data processing and display assembly 402 displays the spasticity rating; the display housing 403 is fixed with the control and display assembly 402 and the lower leg fixing housing 202;
the acceleration sensor 112 outputs acceleration data, which may be an attitude sensor, an angular velocity sensor, a gyroscope, an inertial inclination sensor, or an inertial acceleration sensor.
According to the embodiment, based on the characteristics of the acceleration signal and the angle signal when the human body spasms, the spasms evaluation device based on the ankle joint angle and the angular acceleration is designed, the placement problem of the acceleration sensor and the absolute angle sensor is solved, and the spasms evaluation device is attractive in appearance, simple, practical, portable and easy to clinically popularize.
In order to facilitate adjustment and positioning, the foot rest can adapt to the use of left and right feet, and further comprises a positioning plunger 106, wherein a pit matched with the positioning plunger 106 is arranged at the bottom of the pedal 101; the positioning plunger 106 is fixedly connected to the pedal bottom plate 102, and is matched with the pit on the pedal 101 to position the pedal bottom plate 102.
In order to limit the heel in use, the pedal bottom plate 102 is further provided with a handle for resetting the ankle after cramping, and the heel limiting plate 107 is fixedly connected to the pedal bottom plate 102.
In order to protect the absolute angle sensor 602, further, a sensor protection cover 604 is further included, and the sensor protection cover 604 is disposed on the sensor fixing housing 603 for protecting the absolute angle sensor 602.
In order to protect the pedal bottom plate and facilitate the disassembly and the assembly between the pedal 101 and the sensor housing 111, the device further comprises a pedal bottom plate housing 103, wherein the pedal bottom plate housing 103 is in shape locking with the pedal bottom plate 102 and is fixed on the pedal bottom plate 102, and one side of the pedal 101 is provided with three screw holes for fixing the sensor housing 111 and is distributed in a triangular shape; the foothold 101 is fixedly connected with the sensor housing 111 by mounting screws in screw holes.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (2)
1. The spasticity assessment device based on the ankle angle and the angular acceleration is characterized by comprising a foot fixing module (10), a shank fixing module (20), a connecting module (30) and a data processing and displaying module (40);
the foot fixing module (10) comprises a foot pedal (101), a foot pedal bottom plate (102), a foot pedal connecting sleeve (104), foot pedal connecting screws (105), a positioning plunger (106), a foot sole fixing plate (108), a binding belt (109), an acceleration sensor (110) capable of measuring an inclination angle and a sensor shell (111);
the bottom of the pedal (101) is provided with a hole for fixing the pedal connecting sleeve (104), and one side of the pedal is provided with a semicircular groove-shaped hole for passing through the sensor wire (401) and a hole for fixing the connecting sleeve (301); the pedal connecting sleeve (104) is fixedly connected to the pedal (101) hole; the pedal connecting screw (105) is fixedly connected to the pedal connecting sleeve (104); the pedal (101) and the pedal bottom plate (102) form a revolute pair; the sole fixing plate (108) is fixedly connected to the pedal bottom plate (102); holes preset on two sides of the sole fixing plate (108) are connected through binding belts (109); the acceleration sensor (110) capable of measuring the inclination angle is fixed on the sensor shell (111), and the sensor shell (111) is fixedly connected on the pedal (101);
the shank fixing module (20) comprises a shank fixing plate (201), a shank fixing shell (202), a binding belt (203), an inclination angle sensor (204) and a wire cover plate (205);
the shank fixing plate (201) is internally provided with a groove, one end of the shank fixing plate is provided with a hole with a larger diameter, and the other end of the shank fixing plate is provided with a groove for placing an inclination sensor (204); the wire cover plate (205) is fixedly connected to the groove of the shank fixing plate (201); the shank fixation housing (202) is connected with the binding band (203) and is provided with a hole in the middle for passing the lead wire; the inclination sensor (204) is fixed in a groove of the shank fixing plate (201) for placing the inclination sensor (204);
the connecting module (30) comprises a connecting sleeve (301), a shank fixing plate shell (302) and a connecting screw (303);
the connecting sleeve (301) is fixedly connected to a hole on one side of the pedal (101); the shank fixing plate shell (302) is fixedly connected to the shank fixing plate (201); the connecting screw (303) is fixed on the connecting sleeve (301) and enables the pedal (101) and the shank fixing plate (201) to form a revolute pair;
the data processing and display module (40) comprises: a sensor wire (401), a data processing and displaying assembly (402) and a display shell (403);
one end of the sensor wire (401) is connected with the acceleration sensor (110) with a measurable inclination angle, and the other end of the sensor wire passes through a semicircular groove-shaped hole preset in the pedal (101) and a large hole preset in the shank fixing plate (201) along the bottom of the sensor shell (111) and is connected with the data processing and display assembly (402) along the other end of the bottom of the shank fixing plate (201); the inclination sensor (204) is directly connected to the data processing and display assembly (402); the data processing and displaying assembly (402) displays the spasticity grade; the display shell (403) is fixed with the data processing and display assembly (402) and the shank fixing shell (202);
the inclination angle sensor (204) outputs angle data, which can be an inertial angle sensor, an inertial acceleration sensor, a combination of an acceleration sensor and a gyroscope and an attitude sensor;
the acceleration sensor (110) capable of measuring the inclination angle outputs angle and acceleration data, and can be an inertial acceleration sensor, an acceleration sensor and a gyroscope combination and an attitude sensor;
the pedal (101) is characterized by further comprising a positioning plunger (106), wherein a pit matched with the positioning plunger (106) is formed in the bottom of the pedal; the positioning plunger (106) is fixedly connected to the pedal bottom plate (102) and is matched with the pit on the pedal (101) to position the pedal bottom plate (102);
the foot pedal is characterized by further comprising a heel limiting plate (107), wherein the foot pedal bottom plate (102) is provided with a handle for resetting the ankle after the foot pedal is spasticized, and the heel limiting plate (107) is fixedly connected to the foot pedal bottom plate (102);
the pedal bottom plate comprises a pedal bottom plate shell (103), wherein the pedal bottom plate shell (103) and a pedal bottom plate (102) are fixed on the pedal bottom plate (102); the pedal (101) is fixedly connected with the sensor shell (111) through installing a screw in a screw hole.
2. The spasticity assessment device based on the ankle angle and the angular acceleration is characterized by comprising a foot fixing module (10), a shank fixing module (50), a connecting module (60) and a data processing and displaying module (40);
the foot fixing module (10) comprises a pedal (101), a pedal bottom plate (102), a pedal connecting sleeve (104), pedal connecting screws (105), a sole fixing plate (108), a binding belt (109), a sensor shell (111) and an acceleration sensor (112);
the bottom of the pedal (101) is provided with a hole for fixing the pedal connecting sleeve (104), and one side of the pedal is provided with a semicircular groove-shaped hole for passing through the sensor wire (401) and a hole for fixing the connecting sleeve (301); the pedal connecting sleeve (104) is fixedly connected to the pedal (101) hole; the pedal connecting screw (105) is fixedly connected to the pedal connecting sleeve (104); the pedal (101) and the pedal bottom plate (102) form a revolute pair; the sole fixing plate (108) is fixedly connected to the pedal bottom plate (102); holes preset on two sides of the sole fixing plate (108) are connected through binding belts (109); the acceleration sensor (112) is fixed on the sensor shell (111), and the sensor shell (111) is fixedly connected on the pedal (101);
the shank fixing module (50) comprises a shank fixing plate (501), a shank fixing shell (502), shank binding bands (503) and a wire cover plate (504);
a groove is formed in one side of the shank fixing plate (501), a wire fixing cover plate (504) is fixed on the groove, and a hole with larger diameter for passing through a wire is formed in one end of the wire fixing cover plate; the shank fixing shell (502) is provided with a hole penetrating through a lead, and the hole is fixedly connected to the shank fixing plate (501); both ends of the shank binding band (503) respectively penetrate through and are fixed on a preset long hole of the shank fixing shell (502);
the connection module (60) comprises: the sensor comprises a connecting sleeve (601), an absolute angle sensor (602) and a sensor fixing shell (603);
the connecting sleeve (601) is fixedly connected to a hole on one side of the pedal (101); a sensor fixing housing (603) is provided for fixing the absolute angle sensor (602) and for passing through a hole of the wire; the sensor fixing shell (603) is fixed on the shank fixing plate (501); the shaft of the absolute angle sensor (602) is fixed on the connecting sleeve (601), and the housing of the absolute angle sensor (602) is fixed on the sensor fixing housing (603) so that the pedal (101) and the shank fixing plate (501) form a revolute pair;
the data processing and display module (40) comprises: a sensor wire (401), a data processing and display assembly (402), a display housing (403), an absolute angle sensor wire (404);
one end of the sensor wire (401) is connected with the acceleration sensor (112) along the bottom of the sensor shell (111) and penetrates through a semicircular groove-shaped hole preset in the pedal (101) and a large hole preset in the shank fixing plate (201), and is connected with the data processing and display assembly (402) along the other end of the bottom of the shank fixing plate (201); one end of the absolute angle sensor wire (404) is connected to the absolute angle sensor (602), passes through the sensor fixing shell (603) and is connected to the data processing and display assembly (402) along the bottom of the lower leg fixing plate (501); the data processing and display assembly (402) displays a spasticity rating; the display shell (403) is fixed with the control and display assembly (402) and the shank fixing shell (202);
the acceleration sensor (112) outputs acceleration data, which can be an attitude sensor, an angular velocity sensor, a gyroscope, an inertial inclination sensor and an inertial acceleration sensor;
the pedal (101) is characterized by further comprising a positioning plunger (106), wherein a pit matched with the positioning plunger (106) is arranged at the bottom of the pedal; the positioning plunger (106) is fixedly connected to the pedal bottom plate (102) and is matched with the pit on the pedal (101) to position the pedal bottom plate (102);
the foot pedal is characterized by further comprising a heel limiting plate (107), wherein the foot pedal bottom plate (102) is provided with a handle for resetting the ankle after the foot pedal is spasticized, and the heel limiting plate (107) is fixedly connected to the foot pedal bottom plate (102);
the sensor protection cover (604) is arranged on the sensor fixing shell (603) and used for protecting the absolute angle sensor (602);
the pedal bottom plate comprises a pedal bottom plate shell (103), wherein the pedal bottom plate shell (103) and a pedal bottom plate (102) are fixed on the pedal bottom plate (102); the pedal (101) is fixedly connected with the sensor shell (111) through installing a screw in a screw hole.
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| CN201910160235.XA CN109730685B (en) | 2019-03-04 | 2019-03-04 | Spasm evaluation device based on ankle joint angle and angular acceleration |
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| CN201910160235.XA CN109730685B (en) | 2019-03-04 | 2019-03-04 | Spasm evaluation device based on ankle joint angle and angular acceleration |
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| CN109730685A CN109730685A (en) | 2019-05-10 |
| CN109730685B true CN109730685B (en) | 2024-02-13 |
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Citations (5)
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| FR2970408A1 (en) * | 2011-01-17 | 2012-07-20 | Univ Compiegne Tech | DEVICE FOR MEASURING SPASTICITY |
| CN103405896A (en) * | 2013-08-22 | 2013-11-27 | 广州龙之杰科技有限公司 | Pedal device applicable to spasm patients |
| CN205667548U (en) * | 2016-03-31 | 2016-11-02 | 合肥工业大学 | A kind of limb spasm evaluating apparatus |
| WO2018092944A1 (en) * | 2016-11-18 | 2018-05-24 | 재단법인대구경북과학기술원 | Spasticity evaluation device, method and system |
| CN209996324U (en) * | 2019-03-04 | 2020-01-31 | 合肥工业大学 | A spasticity assessment device based on ankle joint angle and angular acceleration |
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2019
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|---|---|---|---|---|
| FR2970408A1 (en) * | 2011-01-17 | 2012-07-20 | Univ Compiegne Tech | DEVICE FOR MEASURING SPASTICITY |
| CN103405896A (en) * | 2013-08-22 | 2013-11-27 | 广州龙之杰科技有限公司 | Pedal device applicable to spasm patients |
| CN205667548U (en) * | 2016-03-31 | 2016-11-02 | 合肥工业大学 | A kind of limb spasm evaluating apparatus |
| WO2018092944A1 (en) * | 2016-11-18 | 2018-05-24 | 재단법인대구경북과학기술원 | Spasticity evaluation device, method and system |
| CN209996324U (en) * | 2019-03-04 | 2020-01-31 | 合肥工业大学 | A spasticity assessment device based on ankle joint angle and angular acceleration |
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| CN109730685A (en) | 2019-05-10 |
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