CN209996324U - 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 PDF

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Publication number
CN209996324U
CN209996324U CN201920273188.5U CN201920273188U CN209996324U CN 209996324 U CN209996324 U CN 209996324U CN 201920273188 U CN201920273188 U CN 201920273188U CN 209996324 U CN209996324 U CN 209996324U
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pedal
sensor
shell
fixing
plate
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CN201920273188.5U
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王勇
马文章
杜明家
孟涛
卢涛
肖飞云
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Hefei University of Technology
Hefei Polytechnic University
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Hefei Polytechnic University
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Abstract

The utility model discloses an spasm evaluation device based on ankle joint angle and angular acceleration, including the fixed module of foot, the fixed module of shank, linking module, and data processing and display module, the utility model discloses an at the fixed module of foot add the acceleration sensor at measurable inclination, inclination sensor is added to the fixed module of shank, acceleration signal and angle signal when measuring human spasm, solved the problem of settling of sensor in addition, this embodiment has improved measuring precision, and the appearance is pleasing to the eye, and is succinct practical, portable, easily clinical that pushes away, the utility model discloses still disclose spasm evaluation device based on ankle joint angle and angular acceleration in addition, the utility model discloses acceleration signal and angle signal's when based on human spasm characteristic, designed spasm evaluation device based on ankle joint angle and angular acceleration, solved acceleration sensor and absolute angle sensor's settling problem, the appearance is pleasing to the eye, and clinical that easily pushes away.

Description

spasm evaluation device based on ankle joint angle and angular acceleration
Technical Field
The utility model relates to a recovered medical equipment technical field especially relates to spasm evaluation device based on ankle joint angle and angular acceleration.
Background
The aging degree of the society is increasingly deepened, and the physical function and movement are reduced or even completely lost due to the reasons of cerebral apoplexy, spinal cord injury and the like, so that the life quality is seriously influenced. Post-stroke spasticity is a major cause of affecting the patient's limb motor function and recovery from voluntary activities. The incidence of post-stroke spasticity can reach 20% -40%, or higher. The treatment of spasticity requires an objective and accurate assessment of spasticity based on assessment of spasticity, which is increasingly important for clinical rehabilitation of stroke patients.
At present, no method and regulation of is existed internationally about quantitative assessment of spasm, clinical spasm assessment still depends on a subjective scale method, assessment results are completely based on subjective experiences of assessors, the division of spasticity grades by the subjective scale is fuzzy, formulation of a refined rehabilitation scheme and a dosage prescription is limited, accurate rehabilitation requirements are difficult to meet, the fuzzy spasticity grade division cannot meet requirements of long-term follow-up visits of patients, learners start from reflection characteristics and mechanical characteristics of muscles, series quantitative assessment methods are provided, but all methods have definite limitations, such as complex operation and difficulty in clinical prediction of .
Accordingly, there is a need for spasm evaluation devices based on ankle joint angle and angular acceleration, which are simple in structure, reasonable in sensor arrangement and wiring.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that spasm evaluation devices based on ankle joint angle and angular acceleration that simple structure, sensor arrangement, wiring are reasonable are provided.
The utility model discloses a following technical scheme solves above-mentioned technical problem:
spasm evaluation 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, a pedal connecting screw, a positioning plunger, a sole fixing plate, an th binding band, a th acceleration sensor capable of measuring an inclination angle and a sensor shell;
the bottom of the pedal is provided with a hole for fixing a pedal connecting sleeve, the side of the pedal is provided with a semicircular groove-shaped hole for passing through a sensor lead and a hole for fixing a th connecting sleeve, the pedal connecting sleeve is fixedly connected to the pedal hole, a pedal connecting screw is fixedly connected to the pedal connecting sleeve, the pedal and the pedal bottom plate form a revolute pair, a sole fixing plate is fixedly connected to the pedal bottom plate, holes preset at two sides of the sole fixing plate are connected through th binding bands, a acceleration sensor capable of measuring an inclination angle is fixed to a sensor shell, and the sensor shell is fixedly connected to the pedal;
the shank fixing module comprises a th shank fixing plate, a th shank fixing shell, a second binding belt, an inclination angle sensor and a th lead cover plate;
the th shank fixing plate is internally provided with a groove (preferably a stepped groove for better fixing and hiding wiring), wherein the end is provided with a hole with larger diameter, and the end is provided with a groove for placing an inclination angle sensor;
the th connecting module comprises a th connecting sleeve, a crus fixing plate shell and a connecting screw;
the th connecting sleeve is fixedly connected on a hole at the side of the pedal , the crus fixing plate shell is fixedly connected on a th crus fixing plate, and the connecting screw is fixed on the th connecting sleeve to enable the pedal and the th crus fixing plate to form a revolute pair;
the data processing and display module comprises: the device comprises a sensor wire, a data processing and displaying assembly and a displaying shell;
the sensor lead end is connected with a acceleration sensor capable of measuring the inclination angle, the other end passes through a semicircular slot 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 to a data processing and displaying assembly along the other end of the bottom of a step groove of the shank fixing plate, the inclination angle sensor is directly connected to the data processing and displaying assembly, the data processing and displaying assembly displays the spasm grade, and the display shell, the control and displaying assembly and the shank fixing shell are fixed on the ;
the tilt 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 th acceleration sensor capable of measuring the inclination angle outputs angle and acceleration data, and can be an inertial acceleration sensor, an acceleration sensor and gyroscope combination and an attitude sensor.
is a preferable mode of the utility model, which further comprises a positioning plunger, the bottom of the pedal is provided with a pit matched with the positioning plunger, the positioning plunger is fixedly connected on the pedal bottom plate and is matched with the pit on the pedal to position the pedal bottom plate.
As the utility model discloses an of preferred mode, pedal bottom plate set up the handle that is used for spasm back ankle to reset, heel limiting plate rigid coupling is on pedal bottom plate.
is the preferred mode of the utility model, which further comprises a pedal bottom plate shell, the pedal bottom plate shell and the pedal bottom plate are fixed on the pedal bottom plate, and the pedal is fixedly connected with the sensor shell by mounting screws in screw holes.
The utility model also discloses another spasm evaluation devices based on ankle joint angle and angular acceleration, which comprises a foot fixing module, a second shank fixing module, a second connecting module and a data processing and display module;
the foot fixing module comprises a pedal, a pedal bottom plate, a pedal connecting sleeve, a pedal connecting screw, a sole fixing plate, an th binding band, a second acceleration sensor and a sensor shell;
the bottom of the pedal is provided with a hole for fixing a pedal connecting sleeve, the side of the pedal is provided with a semicircular groove-shaped hole for passing through a sensor lead and a hole for fixing a th connecting sleeve, the pedal connecting sleeve is fixedly connected to the pedal hole, a pedal connecting screw is fixedly connected to the pedal connecting sleeve, the pedal and the pedal bottom plate form a revolute pair, a sole fixing plate is fixedly connected to the pedal bottom plate, holes preset at two sides of the sole fixing plate are connected through th binding bands, a second acceleration sensor is fixed on a sensor shell, and the sensor shell is fixedly connected to the pedal;
the second shank fixing module comprises a second shank fixing plate, a second shank fixing shell, a shank binding band and a second lead cover plate;
the side of the second shank fixing plate is provided with a groove (preferably a step groove, better fixing and hiding wiring), the second lead fixing cover plate is fixed on the groove, and the end is provided with a hole with larger diameter for passing a lead;
the second connection module comprises: the second connecting sleeve, the absolute angle sensor and the sensor fixing shell;
the second connecting sleeve is fixedly connected to a hole on the side of the pedal , the sensor fixing shell is provided with a hole for fixing the absolute angle sensor and a lead, the sensor fixing shell is fixed on the second shank fixing plate, the shaft of the absolute angle sensor is fixed on the second connecting sleeve, and the absolute angle sensor shell is fixed on the sensor fixing shell to enable the pedal and the second shank fixing plate to form a revolute pair;
the data processing and display module comprises: the device comprises a sensor wire, a data processing and displaying assembly, a display shell and an absolute angle sensor wire;
the end of a sensor shell lead is connected with a second acceleration sensor, penetrates through a semicircular slot hole which is preset by a pedal and a large hole which is preset by a th shank fixing plate along the bottom of an acceleration sensor shell, and is connected with a data processing and displaying assembly along the bottom of a th shank fixing plate groove, the end of an absolute angle sensor lead is connected with an absolute angle sensor, penetrates through a sensor fixing shell and is connected with the data processing and displaying assembly along the bottom of the shank fixing plate groove, the data processing and displaying assembly displays spasm grade, and the display shell, the control and displaying assembly and the shank fixing shell are fixed on ;
the second acceleration sensor outputs acceleration data, and the acceleration data can be an attitude sensor, an angular velocity sensor, a gyroscope, an inertial tilt sensor and an inertial acceleration sensor.
is a preferable mode of the utility model, which further comprises a positioning plunger, the bottom of the pedal is provided with a pit matched with the positioning plunger, the positioning plunger is fixedly connected on the pedal bottom plate and is matched with the pit on the pedal to position the pedal bottom plate.
As the utility model discloses an of preferred mode, pedal bottom plate set up the handle that is used for spasm back ankle to reset, heel limiting plate rigid coupling is on pedal bottom plate.
is the preferred mode of the utility model, still includes the sensor safety cover, the sensor safety cover sets up and is used for protecting absolute angle sensor on the fixed shell of sensor.
is a preferable mode of the utility model, the sensor further comprises a pedal bottom plate shell, the pedal bottom plate shell and the pedal bottom plate are locked in shape and fixed on the pedal bottom plate, three screw holes for fixing the sensor shell are arranged on the pedal side and distributed in a triangular shape, and the pedal is fixedly connected with the sensor shell through mounting screws in the screw holes.
The utility model discloses compare prior art's advantage lies in, the utility model discloses based on acceleration signal and angular signal's during human spasm characteristic, spasm evaluation device based on ankle joint angle and angular acceleration have been designed, the device can adapt to the use of left and right feet, and the device has set up the handle that is used for the ankle return after the spasm, the arrangement problem of angular transducer, the acceleration sensor at measurable inclination, acceleration sensor and absolute angle sensor has been solved simultaneously, the appearance is pleasing to the eye, and is succinct practical, portable, easily clinical that pushes away.
Drawings
FIG. 1 is a schematic view showing the overall configuration of kinds of ankle joint angle and angular acceleration-based spasm evaluation devices in example 1;
FIG. 2 is an exploded view of the foot securing module of the embodiment;
FIG. 3 is a partial view of an embodiment of an acceleration sensor with a measurable inclination angle;
fig. 4 is a partial wiring pattern in embodiment 1;
FIG. 5 is a partial wiring diagram II in embodiment 1;
FIG. 6 is an exploded view of the overall installation of kinds of ankle joint angle and angular acceleration-based spasm evaluation devices according to example 1;
FIG. 7 is a partial view showing the mounting of an acceleration sensor in embodiment 2;
FIG. 8 is a schematic view showing the entire configuration of another spasm evaluation devices according to example 2, based on the angle of the ankle joint and the angular acceleration;
FIG. 9 is an exploded perspective view of another spasm evaluation devices according to example 2, installed as a whole, based on ankle angle and angular acceleration;
fig. 10 is a partial wiring diagram in embodiment 2.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example 1
As shown in FIGS. 1-6, spasm evaluation devices based on ankle joint angle and angular acceleration in this embodiment comprise 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 pedal 101, a pedal base plate 102, a pedal connecting sleeve 104, a pedal connecting screw 105, a positioning plunger 106, a sole fixing plate 108, an th strap 109, a th acceleration sensor 110 capable of measuring inclination angles and a sensor shell 111;
the bottom of the pedal 101 is provided with a hole for fixing the pedal connecting sleeve 104, the side is provided with a semicircular groove hole for passing through a sensor lead 401 and a hole for fixing the connecting sleeve 301, the pedal connecting sleeve 104 is fixedly connected to the hole of the pedal 101, 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 at two sides of the sole fixing plate 108 are connected through a binding band 109, the acceleration sensor 110 capable of measuring an inclination angle is fixed on the sensor shell 111, and the sensor shell 111 is fixedly connected to the pedal 101;
the shank fixation module 20 comprises a th shank fixation plate 201, a th shank fixation shell 202, a second strap 203, an inclination sensor 204 and a th wire cover plate 205;
the th shank fixing plate 201 is internally provided with a groove (preferably a stepped groove, which is better for fixing and hiding wiring), wherein the end is provided with a hole with larger diameter, and the end is provided with a groove for placing the inclination angle sensor 204;
the th connecting module 30 comprises a th connecting sleeve 301, a shank fixing plate shell 302 and a connecting screw 303;
the th connecting sleeve 301 is fixedly connected on a hole at the side of the pedal 101 , the shank fixing plate shell 302 is fixedly connected on the th shank fixing plate 201, the connecting screw 303 is fixed on the th connecting sleeve 301, and the pedal 101 and the th shank fixing plate 201 form a revolute pair;
the data processing and display module 40 includes: sensor wires 401, data processing and display assembly 402, display housing 403;
the sensor wire 401 end is connected with the acceleration sensor 110 capable of measuring the inclination angle, the other end passes through a semicircular groove-shaped hole preset by the pedal 101 and a large hole preset by the calf fixing plate 201 along the bottom of the sensor shell 111 and is connected with the data processing and displaying assembly 402 along the other end of the bottom of the calf fixing plate 201 groove, the inclination angle sensor 204 is directly connected with the data processing and displaying assembly 402, the data processing and displaying assembly 402 displays the spasm grade, and the displaying shell 403, the control and displaying assembly 402 and the calf fixing shell 202 are fixed at ;
the tilt 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 th acceleration sensor 110 capable of measuring inclination angle outputs angle and acceleration data, and can be an inertial acceleration sensor, an acceleration sensor and gyroscope combination and an attitude sensor.
In the embodiment, the attitude sensors are added in the foot fixing module and the shank fixing module to measure the acceleration signal and the angle signal when the human body is in spasm, the problem of arrangement of the sensors is solved, the measurement precision is improved, and the device is attractive in appearance, simple, practical, portable and easy to clinically push .
In order to adjust the positioning conveniently and adapt to the use of the left foot and the right foot, step further comprises a positioning plunger 106, the bottom of the pedal 101 is provided with a concave 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 concave pit on the pedal 101 to position the pedal bottom plate 102.
In order to limit the position of the heel when in use, step , the footplate 102 is provided with a handle for the ankle to return after spasm, and the heel limiting plate 107 is fixed on the footplate 102.
In order to protect the pedal base plate and facilitate the detachment and installation between the pedal 101 and the sensor housing 111, step further includes a pedal base plate housing 103, the pedal base plate housing 103 and the pedal base plate 102 are fixed on the pedal base plate 102, and the pedal 101 is fixedly connected with the sensor housing 111 by installing screws in screw holes.
Example 2
Referring to fig. 7-10, the present embodiment further discloses another spasm assessment devices based on ankle angle and angular acceleration, which comprises a foot fixing module 10, a second shank fixing module 50, a second connecting module 60, and a data processing and displaying module 40;
the foot fixing module 10 comprises a pedal 101, a pedal base plate 102, a pedal connecting sleeve 104, a pedal connecting screw 105, a sole fixing plate 108, an th binding belt 109, a sensor shell 111 and a second acceleration sensor 112;
the bottom of the pedal 101 is provided with a hole for fixing the pedal connecting sleeve 104, the side is provided with a semicircular groove hole for passing through a sensor lead 401 and a hole for fixing the connecting sleeve 301, the pedal connecting sleeve 104 is fixedly connected to the hole of the pedal 101, 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 at two sides of the sole fixing plate 108 are connected through a binding band 109, the second acceleration sensor 112 is fixed on the sensor shell 111, and the sensor shell 111 is fixedly connected to the pedal 101;
the second lower leg fixing module 50 comprises a second lower leg fixing plate 501, a second lower leg fixing shell 502, a lower leg binding band 503 and a second lead cover plate 504;
the side of the second shank fixing plate 501 is provided with a groove, the second lead fixing cover plate 504 is fixed on the groove, and the end is provided with a hole with larger diameter for passing a lead, the surface of the second shank fixing shell 502 is provided with a hole for passing a lead, the hole is fixedly connected on the second shank fixing plate 501, and two ends of a shank binding band 503 respectively pass through and are fixed on a long hole preset in the second shank fixing shell 502;
the second connection module 60 includes: a second connecting sleeve 601, an absolute angle sensor 602, and a sensor fixing housing 603;
the second connecting sleeve 601 is fixedly connected to a hole on the side of the pedal 101 , the sensor fixing shell 603 is provided with a hole for fixing the absolute angle sensor 602 and a lead to pass through, the sensor fixing shell 603 is fixed on the second shank fixing plate 501, the shaft of the absolute angle sensor 602 is fixed on the second connecting sleeve 601, and the shell of the absolute angle sensor 602 is fixed on the sensor fixing shell 603, so that the pedal 101 and the second shank fixing plate 501 form a revolute pair;
the data processing and display module 40 includes: a sensor wire 401, a data processing and display assembly 402, a display housing 403, an absolute angle sensor wire 404;
the end of the sensor wire 401 is connected with the second acceleration sensor 112, passes through a semicircular slot hole preset by the pedal 101 and a large hole preset by the shank fixing plate 201 along the bottom of the sensor shell 111, and is connected to the data processing and displaying assembly 402 along the bottom end of the stepped groove of the shank fixing plate 201, the 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 displaying assembly 402 along the bottom of the stepped groove of the shank fixing plate 501, the data processing and displaying assembly 402 displays spasm grade, and the display shell 403, the control and displaying assembly 402 and the shank fixing shell 202 are fixed at ;
the second acceleration sensor 112 outputs acceleration data, which may be an attitude sensor, an angular velocity sensor, a gyroscope, an inertial tilt sensor, or an inertial acceleration sensor.
The embodiment has designed spasm evaluation devices based on ankle joint angle and angular acceleration based on the characteristics of acceleration signal and angle signal when human spasm, has solved acceleration sensor and absolute angle sensor's arrangement problem, and the appearance is pleasing to the eye, and is succinct practical, portable, easily clinical that pushes away.
In order to adjust the positioning conveniently and adapt to the use of the left foot and the right foot, step further comprises a positioning plunger 106, 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 position of the heel when in use, step , the footplate 102 is provided with a handle for the ankle to return after spasm, and the heel limiting plate 107 is fixed on the footplate 102.
To protect the absolute angle sensor 602, , a sensor protection cover 604 is further included, and the sensor protection cover 604 is disposed on the sensor fixing housing 603 to protect the absolute angle sensor 602.
In order to protect the pedal base plate and facilitate the detachment and installation of the pedal 101 and the sensor housing 111, step further includes a pedal base plate housing 103, the pedal base plate housing 103 and the pedal base plate 102 are locked in shape and fixed on the pedal base plate 102, three screw holes for fixing the sensor housing 111 are arranged on the side of the pedal 101 and are distributed in a triangular shape, and the pedal 101 is fixedly connected with the sensor housing 111 by mounting screws in the screw holes.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (9)

  1. The spasm evaluation device based on ankle joint angle and angular acceleration 1, is characterized by comprising a foot fixing module (10), a th shank fixing module (20), a th 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), an th binding band (109), a th 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 a pedal connecting sleeve (104), the side is provided with a semicircular groove-shaped hole for passing through a sensor lead (401) and a hole for fixing a connecting sleeve (301), the pedal connecting sleeve (104) is fixedly connected to the hole of the pedal (101), a pedal connecting screw (105) is fixedly connected to the pedal connecting sleeve (104), the pedal (101) and the pedal base plate (102) form a revolute pair, the sole fixing plate (108) is fixedly connected to the pedal base plate (102), holes preset at two sides of the sole fixing plate (108) are connected through binding bands (109), the acceleration sensor (110) capable of measuring an inclination angle is fixed to a sensor shell (111), and the sensor shell (111) is fixedly connected to the pedal (101);
    the shank fixing module (20) comprises a th shank fixing plate (201), a th shank fixing shell (202), a second binding band (203), an inclination angle sensor (204) and a th lead cover plate (205);
    the shank fixing plate (201) is internally provided with a groove, the end is provided with a hole with larger diameter, the other end is provided with a groove for placing an inclination angle sensor (204), the lead cover plate (205) is fixedly connected to the groove of the shank fixing plate (201), the shank fixing shell (202) is connected with the second bandage (203) and is provided with a hole for leading through a lead in the middle, and the inclination angle sensor (204) is fixed in the groove for placing the inclination angle sensor (204) of the shank fixing plate (201);
    the th connecting module (30) comprises a th connecting sleeve (301), a lower leg fixing plate shell (302) and a connecting screw (303);
    the connecting sleeve (301) is fixedly connected with a hole at the side of the pedal (101) , the crus fixing plate shell (302) is fixedly connected with the th crus fixing plate (201), and the connecting screw (303) is fixed on the connecting sleeve (301) to enable the pedal (101) and the th crus fixing plate (201) to form a revolute pair;
    the data processing and display module (40) comprises: a sensor lead (401), a data processing and display assembly (402) and a display shell (403);
    the end of the sensor lead (401) is connected with a acceleration sensor (110) capable of measuring the inclination angle, the other end passes through a semicircular groove-shaped hole preset by the pedal (101) and a large hole preset by the lower leg fixing plate (201) along the bottom of the sensor shell (111) and is connected with a data processing and displaying assembly (402) along the other end of the bottom of the lower leg fixing plate (201), the inclination angle sensor (204) is directly connected with the data processing and displaying assembly (402), the data processing and displaying assembly (402) displays the spasm grade, and the display shell (403), the data processing and displaying assembly (402) and the lower leg fixing shell (202) are fixed at ;
    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 th 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 gyroscope combination and an attitude sensor.
  2. 2. The ankle joint angle and angular acceleration based spasm evaluation device according to claim 1, further comprising a positioning plunger (106), wherein the bottom of said foot rest (101) is provided with a concave pit matching with said positioning plunger (106); the positioning plunger (106) is fixedly connected to the pedal bottom plate (102) and is matched with the concave pit on the pedal (101) to position the pedal bottom plate (102).
  3. 3. The ankle joint angle and angular acceleration based cramp assessment apparatus according to claim 1, wherein the foot pedal base plate (102) is provided with a handle for ankle reduction after cramp, and the heel restriction plate (107) is fixed to the foot pedal base plate (102).
  4. 4. The ankle joint angle and angular acceleration based spasm evaluation device according to claim 1, further comprising a foot pedal housing (103), wherein said foot pedal housing (103) and foot pedal (102) are fixed to said foot pedal (102); the pedal (101) is fixedly connected with the sensor shell (111) through mounting screws in screw holes.
  5. spasm evaluation device based on ankle joint angle and angular acceleration, which is characterized by comprising a foot fixing module (10), a second shank fixing module (50), a second 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), an th binding band (109), a sensor shell (111) and a second acceleration sensor (112);
    the bottom of the pedal (101) is provided with a hole for fixing a pedal connecting sleeve (104), the side is provided with a semicircular groove-shaped hole for passing through a sensor lead (401) and a hole for fixing a connecting sleeve (301), the pedal connecting sleeve (104) is fixedly connected to the hole of the pedal (101), a pedal connecting screw (105) is fixedly connected to the pedal connecting sleeve (104), the pedal (101) and the pedal base plate (102) form a revolute pair, the sole fixing plate (108) is fixedly connected to the pedal base plate (102), holes preset at two sides of the sole fixing plate (108) are connected through binding bands (109), the second acceleration sensor (112) is fixed on the sensor shell (111), and the sensor shell (111) is fixedly connected to the pedal (101);
    the second lower leg fixing module (50) comprises a second lower leg fixing plate (501), a second lower leg fixing shell (502), a lower leg binding band (503) and a second lead cover plate (504);
    the side of the second shank fixing plate (501) is provided with a groove, the second lead cover plate (504) is fixed on the groove, and the end is provided with a hole with larger diameter for passing a lead, the surface of the second shank fixing shell (502) is provided with a hole for passing a lead, the hole is fixedly connected on the second shank fixing plate (501), and two ends of a shank binding band (503) respectively pass through and are fixed on a long hole preset in the second shank fixing shell (502);
    the second connection module (60) comprises: the device comprises a second connecting sleeve (601), an absolute angle sensor (602) and a sensor fixing shell (603);
    the second connecting sleeve (601) is fixedly connected to a hole on the side of the pedal (101) , the sensor fixing shell (603) is provided with a hole for fixing the absolute angle sensor (602) and a lead wire, the sensor fixing shell (603) is fixed on the second shank fixing plate (501), the shaft of the absolute angle sensor (602) is fixed on the second connecting sleeve (601), and the shell of the absolute angle sensor (602) is fixed on the sensor fixing shell (603) so that the pedal (101) and the second shank fixing plate (501) form a revolute pair;
    the data processing and display module (40) comprises: the device comprises a sensor lead (401), a data processing and displaying assembly (402), a display shell (403) and an absolute angle sensor lead (404);
    the sensor wire (401) end is connected with the second acceleration sensor (112) and passes through a semicircular slot hole preset by the pedal (101) and a large hole preset by the shank fixing plate (201) along the bottom of the sensor shell (111), and is connected with the data processing and displaying assembly (402) along the other end of the bottom of the shank fixing plate (201) slot, the absolute angle sensor wire (404) end is connected with the absolute angle sensor (602), passes through the sensor fixing shell (603) and is connected with the data processing and displaying assembly (402) along the bottom of the shank fixing plate (501), the data processing and displaying assembly (402) displays spasm grade, and the displaying shell (403), the control and displaying assembly (402) and the shank fixing shell (202) are fixed at ;
    the second acceleration sensor (112) outputs acceleration data, which can be an attitude sensor, an angular velocity sensor, a gyroscope, an inertial tilt sensor and an inertial acceleration sensor.
  6. 6. The ankle joint angle and angular acceleration based spasm evaluation device according to claim 5, further comprising a positioning plunger (106), wherein the bottom of said foot pedal (101) is provided with a concave pit matching with the positioning plunger (106); the positioning plunger (106) is fixedly connected to the pedal bottom plate (102) and is matched with the concave pit on the pedal (101) to position the pedal bottom plate (102).
  7. 7. The ankle joint angle and angular acceleration based cramp assessment apparatus according to claim 5, wherein the foot pedal base plate (102) is provided with a handle for ankle reduction after cramp, and the heel restriction plate (107) is fixed to the foot pedal base plate (102).
  8. 8. The ankle joint angle and angular acceleration based spasm evaluation device according to claim 5, further comprising a sensor protection cover (604), wherein the sensor protection cover (604) is disposed on the sensor fixing housing (603) for protecting the absolute angle sensor (602).
  9. 9. The ankle joint angle and angular acceleration based spasm evaluation device according to claim 5, further comprising a foot pedal housing (103), wherein said foot pedal housing (103) and foot pedal (102) are fixed to said foot pedal (102); the pedal (101) is fixedly connected with the sensor shell (111) through mounting screws in screw holes.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109730685A (en) * 2019-03-04 2019-05-10 合肥工业大学 It is a kind of that device is assessed based on the spasm of ankle joint angle and angular acceleration
CN112704490A (en) * 2020-12-23 2021-04-27 四川大学华西医院 Monitoring device and monitoring method for nerve roots in spinal endoscopic minimally invasive surgery

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109730685A (en) * 2019-03-04 2019-05-10 合肥工业大学 It is a kind of that device is assessed based on the spasm of ankle joint angle and angular acceleration
CN109730685B (en) * 2019-03-04 2024-02-13 合肥工业大学 Spasm evaluation device based on ankle joint angle and angular acceleration
CN112704490A (en) * 2020-12-23 2021-04-27 四川大学华西医院 Monitoring device and monitoring method for nerve roots in spinal endoscopic minimally invasive surgery

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