Disclosure of Invention
The purpose of this application is to the defect that prior art exists, provides a hand ligament measuring device and measuring method, establishes on the finger that awaits measuring through setting up solid fixed ring cover, utilizes the dipperstick and the goniometric arm of installation on the solid fixed ring to respectively carry out simultaneous measurement to the distance that the finger reachd the arm under fixed exogenic action and the contained angle of finger and back of the hand, reaches accurate measurement and the quantitative aassessment of hand ligament lax degree.
In order to achieve the purpose, the following technical scheme is adopted in the application:
the utility model provides a hand ligament measuring device, includes solid fixed ring for the cover is established on the finger that awaits measuring, be equipped with on solid fixed ring's the outer periphery and press splenium, first buckle and second buckle, install the dipperstick on the first buckle, install first goniometric arm on the second buckle, the one end that the second buckle was kept away from to first goniometric arm articulates through the hinge has second goniometric arm, press the splenium to be used for applying the thrust towards the stationary ring axis, the dipperstick is used for surveying the distance from ring to arm, first goniometric arm and second goniometric arm are used for measuring the contained angle that awaits measuring finger and back of the hand.
Furthermore, the pressing part is provided with a pressure sensor for measuring the stress of the pressing part.
Further, the dipperstick is for including first telescopic machanism, be equipped with the scale on the first telescopic machanism.
Furthermore, first angle finding arm includes second telescopic machanism, second telescopic machanism one end is fixed on the second buckle, and the other end is articulated with second angle finding arm, first angle finding arm is used for hugging closely the finger that awaits measuring and makes the hinge be located the root of the finger that awaits measuring.
Furthermore, an angle gauge is installed on the first angle measuring arm or the second angle measuring arm and used for measuring an included angle formed by the axis of the first angle measuring arm and the axis of the second angle measuring arm.
Further, the connecting line of first buckle center and pressing the splenium center passes solid fixed ring's axis, just the axis of dipperstick is arranged along solid fixed ring's radial.
Furthermore, the diameter line of the ring corresponding to the center of the second buckle is perpendicular to the connecting line; the axis of the first angle measuring arm is parallel to the axis of the fixing ring.
Furthermore, the fixed ring include a plurality ofly, different fixed rings have the internal diameter of equidimension not for the finger that awaits measuring of different thicknesses of cooperation.
The application also provides a hand ligament measuring method, which comprises the following steps:
applying vertical thrust to the finger pulp at the tail end of the finger to be detected to turn over the wrist and enable the tail end of the finger to be close to the front arm direction;
measuring the distance from the force application point to the forearm in the direction perpendicular to the finger to be measured;
measuring an included angle between a finger to be measured and the back of the hand;
and evaluating the looseness of the hand ligament by combining the measured distance and the measured included angle.
Further, when different fingers are measured, the applied pushing force perpendicular to the fingers is equal.
Compared with the prior art, the application has the advantages and positive effects that:
(1) the pressing part applies pressure to the finger to be measured, the measuring scale measures the distance from the fixing ring to the forearm, and the first measuring arm and the second measuring arm measure the angle between the finger to be measured and the back of the hand, so that a plurality of indexes of the finger to be measured are obtained through one-time measurement, and the effect of rapidly measuring ligament relaxation degree data is achieved;
(2) the external thrust received by the pressing part is measured by the pressure sensor, so that the thrust can be conveniently controlled to reach an appointed value, the external thrust is controlled to be a fixed value, and the loosening degree index values of different fingers are measured under the fixed value, so that the measurement error caused by the fact that the thrust cannot be quantitatively controlled is avoided;
(3) the telescopic measuring scale is adopted, after a finger to be measured is stable under the action of external force, the distance from the fixing ring to the forearm is measured in a telescopic mode, free extension and shortening can be realized when different fingers are measured, the length of the measuring scale after the finger reaches the arm after the finger extends is the distance to be measured, numerical values can be read visually, and distance data can be obtained;
(4) the first angle measuring arm is matched with the telescopic mechanism, so that the length of the first angle measuring arm can be facilitated when the first angle measuring arm is matched with different fingers, a hinge at one end of the first angle measuring arm is flush with the root of the finger to be measured, and the included angle formed by the first angle measuring arm and the second angle measuring arm which is pressed against the back of the hand and has the same direction with the finger to be measured at the moment is the included angle of the finger to be obtained and the back of the hand, so that the effect of accurately obtaining the included angles formed by the fingers with different lengths and the back of the hand is achieved, and angle data are obtained;
(5) the angle gauge is directly arranged on the first angle measuring arm or the second angle measuring arm, and when the first angle measuring arm and the second angle measuring arm are located at the appointed positions, the numerical value of the included angle is directly read through the angle gauge, so that the effect of quickly and intuitively acquiring the vertical angle is achieved;
(6) the first buckle and the pressing part are controlled to be positioned at two opposite sides of the fixing ring, the measuring scale is controlled to be perpendicular to the finger through pressing the pushing force, so that the distance from a force application point to a forearm in the direction perpendicular to the finger to be measured can be measured, and the measured objects of the measuring scale for each measurement can be conveniently controlled to be consistent;
(7) the diameter line corresponding to the center of the second buckle is perpendicular to the connecting line, so that the first angle measuring arm is positioned on the side surface of the finger to be measured when the first angle measuring arm is used, the measuring scale cannot be interfered, the side surface can be closer to the root of the finger, and the measuring precision of the first angle measuring arm is improved;
(8) the fixed ring with different inner diameter sizes is arranged to adapt to fingers with different thicknesses, so that the axis of the fixed ring and the axis of the finger to be measured are kept coincident, and the influence of the dimension of the finger on the measurement result is reduced.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in this application, if any, merely indicate correspondence with the directions of up, down, left and right of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application.
The terms "mounted", "connected", "fixed", and the like in the present application should be understood broadly, and for example, the terms "mounted", "connected", and "fixed" may be fixedly connected, detachably connected, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and the terms used in the present invention should be understood as having specific meanings to those skilled in the art.
As introduced in the background art, the prior art uses a hand ligament as a part of a whole body ligament, the looseness and the flexibility of the whole body are closely related, common seat body forward bending is evaluated for the flexibility of the whole body, a reliable measurement method and an evaluation method are not available for measuring the looseness of the hand ligament, the flexibility cannot be evaluated by simply depending on the degree of bending of fingers, accurate ligament looseness data cannot be obtained, and further quantitative analysis and evaluation cannot be performed.
Example 1
In an exemplary embodiment of the present application, as shown in fig. 1, a measuring device for measuring ligament laxity of a hand is provided.
Including solid fixed ring 1 for the cover is established on the finger that awaits measuring, gu fixed ring includes outer periphery and interior circumferential surface, interior circumferential surface is used for the cooperation to await measuring the end of finger, is equipped with on the outer periphery and presses splenium 2, first buckle 5 and second buckle 3, install dipperstick 6 on the first buckle, install first angulation arm 4 on the second buckle, the one end that the second buckle was kept away from to first angulation arm articulates through the hinge has second angulation arm 7, it is used for applying the thrust towards the stationary ring axis to press the splenium, the dipperstick is used for the survey to get the distance from ring to arm, first angulation arm and second angulation arm are used for measuring the contained angle that awaits measuring finger and back of the hand.
Of course, it can be understood that the fixing ring is a ring structure similar to a finger ring, and has a stable structure, and when an external force is applied to the pressing portion, the pressing portion applies a pushing force to the finger to be measured through the fixing ring, so that the finger is bent; other structures capable of realizing the sleeve connection on the fingers, such as a cylindrical structure with one closed end, can also be adopted, the tail ends of the fingers are inserted into the cylinder from one open end of the cylinder to realize the matching with the fingers, and the corresponding pressing part, the first buckle and the second buckle are also arranged on the outer circumference of the cylinder; the ring structure is adopted here, the overall size can be reduced, and the finger to be measured can be conveniently matched with and taken down.
It should be particularly pointed out that the measuring ruler is a ruler in a broad sense, and can realize measuring functions, such as rod-shaped, plate-shaped or other shapes, as long as the measuring requirements can be met and the precision of the scales on the measuring ruler can be ensured; the first angle measuring arm and the second angle measuring arm are used for limiting the functions of the components of the first angle measuring arm and are not limited to specific structures of the first angle measuring arm and the second angle measuring arm, the first angle measuring arm and the second angle measuring arm can adopt rod-shaped and plate-shaped structures without limitation, and the angle measuring arm is used for measuring an included angle formed between a finger and the back of a hand, so that scales do not need to be arranged on the specific structure corresponding to the first angle measuring arm.
Apply pressure, dipperstick volume to the finger that awaits measuring through pressing the splenium and get the distance that solid fixed ring arrived the forearm, first measuring arm and second measuring arm survey and get the angle of the finger that awaits measuring and the back of the hand to a plurality of indexes of finger that await measuring are obtained through once measuring, thereby reach the effect of quick survey and get ligament degree of relaxation data.
Furthermore, the pressing part is provided with a pressure sensor for measuring the stress of the pressing part.
Certainly, it can be understood that the pressure sensor is provided with a matched energy supply device, in order to accurately and visually display the pressure received by the pressure sensor, a micro display screen can be arranged on the pressing part, the pressure received by the pressing part is displayed in real time through the micro display screen, so that the thrust exerted on the finger to be tested by the external thrust is reflected, and the external thrust is conveniently controlled through the value;
it needs to point out very much, can also set up other convenient auxiliary device who grasps in real time thrust and control, for example alarm etc. when the pressing force reaches appointed thrust, the alarm sends audible-visual alarm information, reminds to reach appointed thrust to remind and measure distance and angle this moment, thereby convenient quick measuring to the finger that awaits measuring of difference.
The external thrust received by the pressing part is measured and taken through the pressure sensor, so that the thrust can be conveniently controlled to reach an appointed numerical value, the external thrust is controlled to be a fixed value, the relaxation degree index numerical values of different fingers are measured and taken under the fixed value, and the measuring error caused by the fact that the thrust cannot be quantitatively controlled is avoided.
Furthermore, the measuring scale comprises a first telescopic mechanism, and scales are arranged on the first telescopic mechanism;
the telescopic mechanism is a generalized telescopic mechanism, such as a telescopic ruler, a telescopic rod with scales and a rolling ruler, and can realize free telescopic, but when the telescopic mechanism is used for measuring distance, a measuring part of the telescopic mechanism needs to be kept on the same straight line with a thrust direction, so that the finger to be measured is ensured to be perpendicular.
Adopt the telescopic dipperstick, the finger that awaits measuring is stable back under the exogenic action, surveys the distance of getting solid fixed ring and reacing the forearm through flexible mode, when measuring different fingers, can realize free extension and shorten, and the extension reachs the length of measuring tape behind the arm promptly for the distance that will survey, can audio-visually read numerical value, acquires distance data.
Furthermore, the first angle measuring arm comprises a second telescopic mechanism, one end of the second telescopic mechanism is fixed on the second buckle, the other end of the second telescopic mechanism is hinged with the second angle measuring arm, and the first angle measuring arm is used for clinging to the finger to be measured and enabling the hinge to be located at the root of the finger to be measured;
the second telescopic mechanism pointed out here is different from the first telescopic mechanism, no scale needs to be arranged on the second telescopic mechanism, and the hinge can be adjusted to the root of the finger as long as the position of the hinge at the tail end of the second telescopic mechanism can be changed, so that the hinge is close to the joint of the root of the finger as much as possible, and the measured angle can be closer to a real included angle; the length interval formed by the maximum length and the minimum length of the second telescopic mechanism can cover the length of all fingers to be detected, so that the measurement requirements of fingers with different lengths are met; the second telescopic mechanism can adopt telescopic links, telescopic plate structures formed by two plates capable of sliding mutually, lead screw and nut matching structures and other length-adjustable mechanisms, certainly, the axis of the first angle measuring arm is required to be ensured to be parallel to the axis of the finger when in measurement, and the two ends of the second telescopic mechanism are respectively positioned at the roots of the second buckle and the finger to be measured.
Through with first angle finding arm cooperation telescopic machanism, make it when matcing different fingers, can make things convenient for the length of first angle finding arm, be the hinge of first angle finding arm one end and the root parallel and level of the finger that awaits measuring to the contained angle that the first angle finding arm unanimous with the second angle finding arm that supports to press on the back of the hand the finger direction that awaits measuring at this moment is promptly the contained angle of the finger that will acquire and the back of the hand, reach the effect that the finger that the accuracy acquireed different length becomes the contained angle with the back of the hand, thereby acquire angle data.
Furthermore, an angle gauge is installed on the first angle measuring arm or the second angle measuring arm and used for measuring an included angle formed by the axis of the first angle measuring arm and the axis of the second angle measuring arm.
The protractor pointed out here is the protractor in the broad sense, as long as can measure the angle measuring device of the angle of the included angle that first angle measurement arm and second angle measurement arm formed all can, also can be as shown in fig. 2, set up datum line and angle scale on the tip of first angle measurement arm and second angle measurement arm that the hinge corresponds respectively, after configuration and calibration datum line and angle scale, can directly acquire the included angle of first angle measurement arm and second angle measurement arm through the angle scale line that the datum line corresponds when measuring, reach convenient and fast's effect.
Of course, the angle measuring device and the angle measuring method in which method are adopted need to measure after the finger to be measured and the back of the hand form a stable angle, so that the error is reduced.
After the protractor is directly arranged on the first angle measurement arm or the second angle measurement arm, when the first angle measurement arm and the second angle measurement arm are positioned at the designated positions, the numerical value of the included angle is directly read out through the protractor, and the effect of quickly and visually acquiring the vertical angle is achieved.
Further, the connecting line of first buckle center and pressing the splenium center passes solid fixed ring's axis, just the axis of dipperstick is arranged along solid fixed ring's radial.
Preferably, the diameter line of the ring corresponding to the center of the second buckle is perpendicular to the connecting line; the axis of the first angle measuring arm is parallel to the axis of the fixing ring.
The first buckle and the pressing part are controlled to be positioned at two opposite sides of the fixing ring, the measuring scale is controlled to be perpendicular to the finger by pressing the pushing force to control the measuring scale to be perpendicular to the finger, so that the distance from a force application point to a forearm in the direction perpendicular to the finger to be measured can be measured, and the measured objects of the measuring scale measured at each time can be conveniently controlled to be consistent;
through setting up the second buckle center and corresponding diameter line perpendicular to connecting wire, make first survey angle arm be in the side that awaits measuring and indicate when using to can not disturb the dipperstick production, finger root can be pressed close to more from the side, thereby improve its measurement accuracy.
Furthermore, the fixed ring include a plurality ofly, different fixed rings have the internal diameter of equidimension not for the finger that awaits measuring of different thicknesses of cooperation.
Of course, it can be understood that the fixing ring can also adopt a fixing ring with an adjustable diameter, but in the adjusting process, the fixing ring needs to be adjusted from two sides of the fixing ring at the same time, so that the corresponding position relationship among the pressing part, the first buckle and the second buckle is ensured, and the error is avoided; when a large number of people need to test, various fixing rings with different inner diameter sizes can be prepared, corresponding measuring structures are respectively configured, and corresponding measurement is respectively carried out according to the dimensions of fingers of people to be measured.
The fixed ring with different inner diameter sizes is arranged to adapt to fingers with different thicknesses, so that the axis of the fixed ring and the axis of the finger to be measured are kept coincident, and the influence of the dimension of the finger on the measurement result is reduced.
Example 2
In this embodiment, a method for measuring a hand ligament is provided, which specifically includes the following steps:
applying vertical thrust to the finger pulp at the tail end of the finger to be detected to turn over the wrist and enable the tail end of the finger to be close to the front arm direction;
measuring the distance from the force application point to the forearm in the direction perpendicular to the finger to be measured;
measuring an included angle between a finger to be measured and the back of the hand;
and evaluating the looseness of the hand ligament by combining the measured distance and the measured included angle.
It should be noted that when measuring different fingers, in order to find out the ligament slackness of different fingers under the same thrust, it is necessary to control the applied thrust to be equal.
Example 3
In the present embodiment, there is provided an operation method of measuring a ligament of a hand using the measuring apparatus of embodiment 1.
Sleeving the fixing ring on a section of the tail end of the finger to be detected, and ensuring that the pressing part is positioned right above the finger abdomen and the first buckle is positioned at one side close to the fingernail of the finger to be detected;
adjusting the measuring scale to be perpendicular to the axis of the finger to be measured, adjusting the first angle measuring arm to be parallel to the axis of the finger to be measured, adjusting the hinge at the tail end of the first angle measuring arm to the position where the root of the finger is close to the finger joint, and abutting the second angle measuring arm against the back of the hand along the back of the hand;
a fixed thrust perpendicular to the axis of the finger is applied by the pressing part, the finger moves towards the forearm under the action of the thrust, the wrist turns over the back of the hand to be close to the forearm, and the included angle between the first angle measuring arm and the second angle measuring arm is gradually reduced;
when the finger is not moving and the wrist is not rotating under the thrust, the measuring scale is extended to the front and the length at the moment is recorded, the numerical value of the protractor is read and the included angle at the moment is recorded;
completing the measurement process of the finger;
taking down the device, installing the device on the next finger to be measured, configuring in the same way, applying the same thrust, and measuring the length and the included angle;
and circulating in sequence.
And evaluating the looseness of the hand ligament according to the acquired measurement length and the included angle and by combining the length of the finger to be measured.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.