CN113855029A - Multifunctional integrated measurement device and measurement method for ankle muscle strength - Google Patents
Multifunctional integrated measurement device and measurement method for ankle muscle strength Download PDFInfo
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Abstract
The invention discloses a multifunctional integrated measuring device and a measuring method for ankle muscle strength, which relate to the technical field of medical equipment and have the technical scheme that: comprises a controller, a mounting base, a free rotary rod, a foot support plate and a fixed protective tool; the bottom end of the free rotary rod is connected with the mounting base through a first rotary piece, and the top end of the free rotary rod is connected with the foot support plate through a second rotary piece; the first rotating piece is provided with a first angle sensor; the second rotating piece is provided with a second angle sensor; the free rotary rod is provided with a first distance sensor; the outer telescopic cylinder is provided with a force measuring piece; the foot support plate is rotatably connected with a finger pressing plate, and the finger pressing plate is provided with a third angle sensor; the finger-pressing plate is movably connected with the finger-force plate, and the finger-pressing plate is provided with a second distance sensor. The multifunctional integrated ankle muscle strength measuring device provided by the invention can quickly test multiple ankle muscle strengths of a target object, and has the characteristics of high test efficiency, simplicity in operation, small overall size, low use cost and the like.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a multifunctional integrated measuring device and a measuring method for ankle muscle strength.
Background
The ankle is a protrusion on the left side and the right side of the part between the lower leg and the foot and is formed by the expansion parts at the lower ends of the tibia and the fibula, the ankle is an important bone joint when people walk or move feet, and people with ankle injury can inevitably move inconveniently.
At present, most of muscle strength tests of a patient ankle rehabilitation process are judged according to the experience of professionals such as doctors, the judgment results are greatly different due to the influence of main pipe factors in the following process, unified standards cannot be formed, accurate basis cannot be provided for subsequent treatment of the patient, and meanwhile reference data cannot be provided for ankle related disease rehabilitation. In addition, the ankle muscle strength test items are more, including plantar flexion and dorsiflexion of the foot, pronation and supination of the foot, plantar flexion and dorsiflexion of the toes and the like, so that the ankle muscle strength test process is long in time consumption, the test condition recording difficulty is high, and analysis data cannot be visually provided for professional technicians such as doctors. In addition, the passive ankle muscle strength test increases the pain of the patient to a certain extent, and the kidney injury is easily caused by improper operation.
Therefore, how to research and design a multifunctional integrated measurement device and measurement method for ankle muscle strength is a problem which is urgently needed to be solved at present.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a multifunctional integrated measuring device and a measuring method for ankle muscle strength.
The technical purpose of the invention is realized by the following technical scheme:
the first aspect provides a multifunctional integrated measurement device for the muscle strength of the ankle, which comprises a controller, a mounting base, a free rotary rod, a foot support plate and a fixed protective tool, wherein the fixed protective tool is connected with the mounting base through a support frame;
the bottom end of the free rotating rod is movably connected with the mounting base through a first rotating piece, and the top end of the free rotating rod is movably connected with the foot support plate through a second rotating piece; the first rotating piece and the second rotating piece respectively comprise an external rotating shell and an internal rotating sphere arranged in the external rotating shell; a first angle sensor is arranged between the external rotary shell and the internal rotary sphere of the first rotary piece; a second angle sensor is arranged between the external rotary shell and the internal rotary sphere of the second rotary piece;
the free rotary rod comprises an outer telescopic cylinder and an inner telescopic rod movably spliced with the outer telescopic cylinder, and a first distance sensor is arranged between the inner telescopic rod and the outer telescopic cylinder;
the outer telescopic cylinder is provided with at least three force measuring pieces along the circumferential direction of the outer telescopic cylinder, the other end of each force measuring piece is connected with the bottom surface of the foot support plate, and a polygon is formed between the adjacent connection points of the plurality of force measuring pieces and the bottom surface of the foot support plate; the force measuring piece comprises a force measuring meter and a return spring connected with the force measuring meter;
the front end of the foot support plate is rotatably connected with a finger pressing plate through a rotating shaft, and a third angle sensor is arranged between the finger pressing plate and the rotating shaft; the upper surface of the finger pressing plate is movably connected with the finger plate through an elastic rope, the upper surface of the finger plate is provided with a plurality of finger sleeves, and the upper surface of the finger pressing plate is provided with a second distance sensor;
the first angle sensor, the second angle sensor, the third angle sensor, the dynamometer, the first distance sensor and the second distance sensor are all electrically connected with the controller.
The invention is further configured to: the fixed protective equipment is an arc-shaped plate, binding belts are arranged on two sides of the arc-shaped plate, and a rotating sleeve which is sleeved with the supporting frame is arranged on the back side of the fixed protective equipment.
The invention is further configured to: the upper surface of the mounting base is provided with an arched elastic sheet, and the arc-shaped outer side of the arched elastic sheet is connected with the outer telescopic cylinder.
The invention is further configured to: and the edges of three sides of the foot support plate are provided with support edges.
The invention is further configured to: the mounting base is provided with a display screen and an operation panel which are electrically connected with the controller.
In a second aspect, there is provided a multifunctional integrated measuring method for ankle muscle strength, which is based on the multifunctional integrated measuring device for ankle muscle strength of any one of the first aspect, and comprises the following steps:
placing a target leg on the fixed protective tool and a target foot on the foot support plate;
acquiring a plurality of force measurement information, angle information and distance information of a target object in the ankle muscle strength test process;
screening out matched force measurement information, angle information and distance information from the plurality of force measurement information, angle information and distance information according to the test type;
and carrying out muscle strength analysis on the corresponding test types according to the screened force measurement information, angle information and distance information to obtain ankle muscle strength test results.
The invention is further configured to: the test types include a foot flexion test, an finger flexion test, and a foot rotation test.
The invention is further configured to: the muscle force analysis process of the foot flexion test specifically comprises the following steps:
establishing a first motion track of the foot relative to the leg according to the first angle measurement information and the second angle measurement information in the x-z plane and the plurality of elastic force measurement information in the x-z plane;
converting the first distance measurement information into the foot pressure of the foot support plate on the inner telescopic rod along the axis direction;
and analyzing the foot bending capability of the target object foot in the foot bending test time according to the foot pressure and the first motion trail.
The invention is further configured to: the muscle force analysis process of the finger flexion test specifically comprises the following steps:
establishing an fingering motion track curve within fingering test time according to the third angle measurement information and the second distance measurement information;
establishing a foot angle change curve in the finger flexion test time according to the first angle measurement information and the second angle measurement information in the x-z plane;
and analyzing the finger bending capability of the target object finger under different foot angles according to the foot angle change curve and the finger bending motion track curve.
The invention is further configured to: the muscle force analysis process of the foot rotation test specifically comprises the following steps:
establishing a foot rotation stress curve of the foot internal and external rotation within the foot rotation test time according to a plurality of elastic force measurement information in a y-z plane;
establishing a foot rotation motion track of the foot internal and external rotation according to the first angle measurement information, the second angle measurement information and the first distance measurement information in the x-y plane;
and analyzing the foot rotation capacity of the target object foot in the foot rotation test time by combining the foot rotation stress curve and the foot rotation motion trail.
Compared with the prior art, the invention has the following beneficial effects:
1. the multifunctional integrated measuring device for the ankle muscle strength can quickly test multiple ankle muscle strengths of a target object, and has the characteristics of high test efficiency, simplicity in operation, small overall size, low use cost and the like;
2. the invention has the advantages that the pain of the patient is small and the error damage probability is low through an active testing mode;
3. according to the invention, after various measured data are extracted in three-dimensional dimensions, corresponding test data can be screened out according to the test types, and an accurate analysis model can be established according to the screened test data, so that accurate and reliable analysis data can be provided for a current patient, and meanwhile, a test result can also provide reference data for rehabilitation of ankle related diseases.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure in an embodiment of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention;
FIG. 3 is a schematic view of the connection structure of the finger plate and the finger plate according to the embodiment of the present invention;
FIG. 4 is a schematic structural view of a second rotating member in an embodiment of the present invention;
fig. 5 is a schematic diagram of the operation in the embodiment of the present invention.
Reference numbers and corresponding part names in the drawings:
101. mounting a base; 102. a support frame; 103. rotating the sleeve; 104. fixing the protective clothing; 105. a binding band; 106. a display screen; 107. an operation panel; 201. a foot support plate; 202. a support rim; 203. a finger-pressure plate; 204. a finger board; 205. finger stall; 206. a force measuring member; 207. an arched shrapnel; 208. a first rotating member; 209. a force gauge; 210. a return spring; 211. an inner telescoping rod; 212. an outer telescopic cylinder; 213. an internal sphere; 214. a second rotating member; 215. a rotating shaft; 216. a second distance sensor; 217. an outward rotation housing; 301. a controller; 302. a first distance sensor; 303. a second distance sensor; 304. a first angle sensor; 305. a second angle sensor; 306. a third angle sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example 1: a multifunctional integrated measuring device for ankle muscle strength comprises a controller 301, a mounting base 101, a free rotary rod, a foot support plate 201 and a fixed protector 104 connected with the mounting base 101 through a support frame 102. The bottom end of the free rotating rod is movably connected with the mounting base 101 through a first rotating piece 208, and the top end of the free rotating rod is movably connected with the foot support plate 201 through a second rotating piece 214; the first rotating element 208 and the second rotating element 214 both comprise an external rotating shell 217 and an internal rotating sphere 213 arranged in the external rotating shell 217; a first angle sensor 304 is arranged between the external rotary shell 217 and the internal rotary sphere 213 of the first rotary piece 208; a second angle sensor 305 is arranged between the external rotary shell 217 and the internal rotary sphere 213 of the second rotary element 214. The free rotary rod comprises an outer telescopic cylinder 212 and an inner telescopic rod 211 movably inserted into the outer telescopic cylinder 212, and a first distance sensor 302 is arranged between the inner telescopic rod 211 and the outer telescopic cylinder 212. The outer telescopic cylinder 212 is provided with four force measuring pieces 206 along the circumferential direction of the outer telescopic cylinder, the other ends of the force measuring pieces 206 are connected with the bottom surface of the foot carrier plate 201, and a polygon is formed between the adjacent connection points of the plurality of force measuring pieces 206 and the bottom surface of the foot carrier plate 201; the load cell 206 includes a load cell 209 and a return spring 210 connected to the load cell 209. The front end of the foot support plate 201 is rotatably connected with a finger pressing plate 203 through a rotating shaft 215, and a third angle sensor 306 is arranged between the finger pressing plate 203 and the rotating shaft 215; the upper surface of the finger-pressure plate 203 is movably connected with a finger-pressure plate 204 through elastic ropes, the upper surface of the finger-pressure plate 204 is provided with a plurality of finger sleeves 205, and the upper surface of the finger-pressure plate 203 is provided with a second distance sensor 303216. The first angle sensor 304, the second angle sensor 305, the third angle sensor 306, the load cell 209, the first distance sensor 302, and the second distance sensor 303216 are all electrically connected to the controller 301.
It should be noted that the first angle sensor 304 and the second angle sensor 305 are not limited to one, and to implement angle measurement in multiple dimensions, a plurality of angle sensors capable of testing a single-direction model can be selected, and by arranging in different directions, a free test in three dimensions is implemented.
Further, a spring is provided between the inner telescopic rod 211 and the outer telescopic cylinder 212 to return.
The fixing protective tool 104 is an arc-shaped plate, the two sides of the arc-shaped plate are provided with binding belts 105, and the back side of the fixing protective tool 104 is provided with a rotating sleeve 103 which is sleeved with the support frame 102. The fixation brace 104 can enable rapid fixation of the patient's leg, while the swivel sleeve 103 can provide some degree of freedom for adjustment of the patient's leg.
The upper surface of the mounting base 101 is provided with an arched elastic sheet 207, and the arc-shaped outer side of the arched elastic sheet 207 is connected with the outer telescopic cylinder 212. The arched elastic sheet 207 can enable the outer telescopic cylinder 212 to be at a certain inclination angle when not in use, and meanwhile provides a certain supporting force for the outer telescopic cylinder 212, so that the feet of a patient can be placed conveniently, and the load borne by the outer telescopic cylinder 212 and the foot support plate 201 driven by the feet of the patient can be effectively reduced.
Three side edges of the foot carrier 201 are provided with support edges 202. The supporting edge 202 provides a supporting point for the patient's foot to control the movement of the foot support plate 201, and meanwhile, the situation that the patient's foot and the foot support plate 201 fall off relatively can be effectively avoided.
The mounting base 101 is provided with a display screen 106 and an operation panel 107 electrically connected to the controller 301. The display screen 106 can display the measured data and the test result in real time, the operation panel 107 can flexibly select the test type according to the requirement, and the operation flexibility is strong.
Example 2: the measurement method of the multifunctional integrated measurement device for ankle muscle strength as described in embodiment 1, comprising the steps of:
s1: placing a target leg on the fixing protective tool 104 and a target foot on the foot support plate 201;
s2: acquiring a plurality of force measurement information, angle information and distance information of a target object in the ankle muscle strength test process;
s3: screening out matched force measurement information, angle information and distance information from the plurality of force measurement information, angle information and distance information according to the test type;
s4: and carrying out muscle strength analysis on the corresponding test types according to the screened force measurement information, angle information and distance information to obtain ankle muscle strength test results.
In this embodiment, the test types include a foot flexion test, an finger flexion test, and a foot rotation test.
The muscle force analysis process of the foot flexion test specifically comprises the following steps:
s101: establishing a first motion track of the foot relative to the leg according to the first angle measurement information and the second angle measurement information in the x-z plane and the plurality of elastic force measurement information in the x-z plane;
s102: converting the first distance measurement information into the foot pressure of the foot support plate 201 on the inner telescopic rod 211 along the axial direction;
s103: and analyzing the foot bending capability of the target object foot in the foot bending test time according to the foot pressure and the first motion trail.
The muscle force analysis process of the finger flexion test specifically comprises the following steps:
s201: establishing an fingering motion track curve within fingering test time according to the third angle measurement information and the second distance measurement information;
s202: establishing a foot angle change curve in the finger flexion test time according to the first angle measurement information and the second angle measurement information in the x-z plane;
s203: and analyzing the finger bending capability of the target object finger under different foot angles according to the foot angle change curve and the finger bending motion track curve.
The muscle force analysis process of the foot rotation test specifically comprises the following steps:
s301: establishing a foot rotation stress curve of the foot internal and external rotation within the foot rotation test time according to a plurality of elastic force measurement information in a y-z plane;
s302: establishing a foot rotation motion track of the foot internal and external rotation according to the first angle measurement information, the second angle measurement information and the first distance measurement information in the x-y plane;
s303: and analyzing the foot rotation capacity of the target object foot in the foot rotation test time by combining the foot rotation stress curve and the foot rotation motion trail.
In the present embodiment, the length direction of the mounting base 101 is taken as the x axis, the width direction is taken as the y axis, and the thickness direction is taken as the z axis, and the in-plane information is obtained by decomposing the information acquired by each sensor.
In addition, the final muscle force analysis of the foot flexion test, the finger flexion test and the foot rotation test can adopt an intelligent processing method based on model training analysis, and can also be analyzed on the basis of the tested data based on the past experience of a doctor.
The working principle is as follows: the multifunctional integrated measuring device for the ankle muscle strength can quickly test multiple ankle muscle strengths of a target object, and has the characteristics of high test efficiency, simplicity in operation, small overall size, low use cost and the like; the invention has the advantages that the pain of the patient is small and the error damage probability is low through an active testing mode; according to the invention, after various measured data are extracted in three-dimensional dimensions, corresponding test data can be screened out according to the test types, and an accurate analysis model can be established according to the screened test data, so that accurate and reliable analysis data can be provided for a current patient, and meanwhile, a test result can also provide reference data for rehabilitation of ankle related diseases.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A multifunctional integrated measurement device for ankle muscle strength is characterized by comprising a controller (301), a mounting base (101), a free rotary rod, a foot support plate (201) and a fixed protective clothing (104) connected with the mounting base (101) through a support frame (102);
the bottom end of the free rotating rod is movably connected with the mounting base (101) through a first rotating piece (208), and the top end of the free rotating rod is movably connected with the foot support plate (201) through a second rotating piece (214); the first rotating piece (208) and the second rotating piece (214) respectively comprise an external rotating shell (217) and an internal rotating sphere (213) arranged in the external rotating shell (217); a first angle sensor (304) is arranged between the external rotary shell (217) and the internal rotary sphere (213) of the first rotary piece (208); a second angle sensor (305) is arranged between the external rotary shell (217) and the internal rotary sphere (213) of the second rotary piece (214);
the free rotary rod comprises an outer telescopic cylinder (212) and an inner telescopic rod (211) movably inserted with the outer telescopic cylinder (212), and a first distance sensor (302) is arranged between the inner telescopic rod (211) and the outer telescopic cylinder (212);
the outer telescopic cylinder (212) is provided with at least three force measuring pieces (206) along the circumferential direction of the outer telescopic cylinder, the other ends of the force measuring pieces (206) are connected with the bottom surface of the foot carrier plate (201), and a polygon is formed between the adjacent connection points of the force measuring pieces (206) and the bottom surface of the foot carrier plate (201); the force measuring piece (206) comprises a force measuring meter (209) and a return spring (210) connected with the force measuring meter (209);
the front end of the foot support plate (201) is rotatably connected with a finger pressing plate (203) through a rotating shaft (215), and a third angle sensor (306) is arranged between the finger pressing plate (203) and the rotating shaft (215); the upper surface of the finger pressing plate (203) is movably connected with the finger plate (204) through elastic ropes, a plurality of finger sleeves (205) are arranged on the upper surface of the finger plate (204), and second distance sensors (303) (216) are arranged on the upper surface of the finger pressing plate (203);
the first angle sensor (304), the second angle sensor (305), the third angle sensor (306), the dynamometer (209), the first distance sensor (302), and the second distance sensors (303) (216) are all electrically connected with the controller (301).
2. The multifunctional integrated ankle muscle strength measuring device according to claim 1, wherein the fixing protector (104) is an arc-shaped plate, the binding bands (105) are arranged on two sides of the arc-shaped plate, and the rotating sleeve (103) sleeved with the support frame (102) is arranged on the back side of the fixing protector (104).
3. The multifunctional integrated measuring device for the ankle muscle strength as claimed in claim 1, wherein an arched elastic sheet (207) is arranged on the upper surface of the mounting base (101), and the arched outer side of the arched elastic sheet (207) is connected with the outer telescopic cylinder (212).
4. The multifunctional integrated measuring device for the ankle muscle strength as claimed in claim 1, wherein the edge of the foot support plate (201) on three sides is provided with a supporting edge (202).
5. The multifunctional integrated ankle muscle strength measuring device according to claim 1, wherein the mounting base (101) is provided with a display screen (106) and an operation panel (107) which are electrically connected with the controller (301).
6. A multifunctional integrated measurement method for ankle muscle strength, which is based on the multifunctional integrated measurement device for ankle muscle strength of any one of claims 1 to 5, and comprises the following steps:
placing a target leg on a fixed protective tool (104) and a target foot on a foot carrier plate (201);
acquiring a plurality of force measurement information, angle information and distance information of a target object in the ankle muscle strength test process;
screening out matched force measurement information, angle information and distance information from the plurality of force measurement information, angle information and distance information according to the test type;
and carrying out muscle strength analysis on the corresponding test types according to the screened force measurement information, angle information and distance information to obtain ankle muscle strength test results.
7. The multifunctional integrated measurement method for the muscle force of the ankle according to claim 6, wherein the test types comprise a foot flexion test, a finger flexion test and a foot rotation test.
8. The multifunctional integrated measurement method for the muscle strength of the ankle according to claim 7, wherein the muscle strength analysis process of the foot flexion test specifically comprises:
establishing a first motion track of the foot relative to the leg according to the first angle measurement information and the second angle measurement information in the x-z plane and the plurality of elastic force measurement information in the x-z plane;
converting the first distance measurement information into the foot pressure of the foot support plate (201) on the inner telescopic rod (211) along the axis direction;
and analyzing the foot bending capability of the target object foot in the foot bending test time according to the foot pressure and the first motion trail.
9. The multifunctional integrated measurement method for the muscle strength of the ankle according to claim 7, wherein the muscle strength analysis process of the finger flexion test specifically comprises:
establishing an fingering motion track curve within fingering test time according to the third angle measurement information and the second distance measurement information;
establishing a foot angle change curve in the finger flexion test time according to the first angle measurement information and the second angle measurement information in the x-z plane;
and analyzing the finger bending capability of the target object finger under different foot angles according to the foot angle change curve and the finger bending motion track curve.
10. The multifunctional integrated measurement method for ankle muscle strength according to claim 7, wherein the muscle strength analysis process of the foot rotation test specifically comprises:
establishing a foot rotation stress curve of the foot internal and external rotation within the foot rotation test time according to a plurality of elastic force measurement information in a y-z plane;
establishing a foot rotation motion track of the foot internal and external rotation according to the first angle measurement information, the second angle measurement information and the first distance measurement information in the x-y plane;
and analyzing the foot rotation capacity of the target object foot in the foot rotation test time by combining the foot rotation stress curve and the foot rotation motion trail.
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