CN211022693U - Joint mobility measuring apparatu - Google Patents

Abstract

The utility model discloses a joint mobility measuring instrument, which comprises a hollow shell, an angle sensor, a controller, a display screen, a telescopic rod, an elastic belt and a cotton pillow; the angle sensor and the controller are both arranged inside the hollow shell; the display screen is arranged on the outer surface of the hollow shell; the controller is respectively connected with the angle sensor and the display screen; one end of the hollow shell is provided with a through hole communicated with the hollow inner cavity of the hollow shell; a shaft on the angle sensor passes through the through hole and then extends out of the hollow shell; the shaft end part on the angle sensor is provided with an external thread; one end of the telescopic rod is sleeved with the shaft of the angle sensor, and the end part of the shaft is sleeved with a nut; the other end of the telescopic rod is provided with a cross-shaped through hole through which the elastic belt passes; the cotton pillow is used for supporting the telescopic rod. The utility model discloses simple structure, convenient operation measures the accuracy, easily promotes.

Description

Joint mobility measuring apparatu

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a joint motion degree measuring apparatu is related to.

Background

The conventional instrument for measuring the degree of movement of a limb joint is a general protractor, for example, a protractor for measuring the degree of movement of a limb joint disclosed in patent document CN201020220324.3 includes a moving arm, a fixed arm and a dial with a pointer, wherein the axis and the fixed arm are kept stationary during measurement, and when the limb moves, the moving arm moves along with the moving arm, and the angle and the degree of movement of the limb are changed by the moving arm. Although the method is simple to operate, the following technical problems exist in the measurement process: firstly, it is difficult for the measurer to accurately grasp the positions of the axis, the fixed arm and the movable arm, resulting in a great error in the measured value, which is usually estimated to be 5 °, which is not favorable for repeated operation, and the application range is limited, for example: when the left-right rotation activity of the cervical vertebra is measured, the axis is the top of the head, the fixed arm is a sagittal axis passing through the top of the head, and the movable arm is a connecting line between the bridge of the nose and the occipital tuberosity or the top of the head, but the reference standards are all judged by the subjectively of a measurer, so that great bias can be caused; second, rehabilitation exercises are generally long-term effects, and many times, the patient is required to learn to measure the mobility of the limb, so as to observe the rehabilitation exercise effect for a long time, however, when the patient and the family members use the conventional universal protractor, the reference positions of the fixed arm and the movable arm during the measurement of the movement of each joint are difficult to master, and the measurement by using the conventional method is difficult to learn, so that a large error in data is caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough with regard to overcoming prior art, provide a simple structure, low in manufacturing cost, convenient operation measures the accurate joint activity degree measuring apparatu that easily promotes.

In order to achieve the purpose, the utility model provides a joint mobility measuring instrument, which comprises a hollow shell, an angle sensor, a controller, a display screen, a telescopic rod, an elastic belt and a cotton pillow; the angle sensor and the controller are both arranged inside the hollow shell; the display screen is arranged on the outer surface of the hollow shell; the controller is respectively connected with the angle sensor and the display screen;

one end of the hollow shell is provided with a through hole communicated with the hollow inner cavity of the hollow shell; a shaft on the angle sensor passes through the through hole and then extends out of the hollow shell; the shaft end part on the angle sensor is provided with an external thread; one end of the telescopic rod is sleeved with the shaft of the angle sensor, and the end part of the shaft is sleeved with a nut; the other end of the telescopic rod is provided with a cross-shaped through hole through which the elastic belt passes; the cotton pillow is used for supporting the telescopic rod.

Further, the voice broadcasting device is arranged in the hollow shell; the voice broadcaster is connected with the controller.

Further, the telescopic rod comprises a fixed pipe and a splicing pipe; one end of the fixed pipe is sleeved with the shaft of the angle sensor; the splicing pipe consists of a screw and an internal threaded pipe; one end of the screw is connected with one end of the internal threaded pipe; the other end of the screw is in threaded connection with the other end of the fixed pipe; the other end of the fixed pipe and the other end of the internal thread pipe are both provided with the cross-shaped through hole.

Further, the number of the splicing tubes is multiple.

Further, the hollow shell comprises a top shell and a bottom cover detachably connected with the top shell.

Further, the bottom of the hollow shell is provided with a sucker.

The utility model has the advantages that: the utility model discloses an elastic webbing binds the telescopic link with the limbs, and at the effect under bracing telescopic link of cotton pillow, make the telescopic link parallel with the limbs, the cavity casing is fixed in axle center department, so the limbs activity is in order to drive the telescopic link activity, thereby the telescopic link drives the rotation of axes on the angle sensor, so survey the limbs activity degree, angle sensor sends the angle information of measuring for the controller, the controller passes through the display screen with clear demonstration angle information, directly perceived definition, it is accurate to measure, degree of automation is high, and simple structure, low in manufacturing cost, easy operation, easily popularization, surveyor's intensity of labour has been alleviateed, the visual angle that prior art adopted the calibrated scale to bring simultaneously reads the error etc. Simultaneously the utility model discloses can be according to the length of different position limbs to adjust the length of telescopic link, it is nimble convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The following further describes the present invention with reference to the attached drawings, but the scope of the present invention is not limited thereto.

Examples

As shown in fig. 1, the utility model provides a joint mobility measuring instrument, which comprises a hollow shell 1, an angle sensor 2, a controller (not shown), a display screen (not shown), a telescopic rod 4, an elastic band 5 and a cotton pillow (not shown); the angle sensor 2 and the controller are both arranged inside the hollow shell 1; the display screen is arranged on the outer surface of the hollow shell 1; the controller is respectively connected with the angle sensor 2 and the display screen.

One end of the hollow shell 1 is provided with a through hole communicated with the hollow inner cavity of the hollow shell; the shaft 20 on the angle sensor 2 passes through the through hole and then extends out of the hollow shell 1; the end part of the shaft 20 on the angle sensor 2 is provided with an external thread; one end overcoat of telescopic link 4 axle 20 and the 20 tip overcoat nuts 3 of axle of angle sensor 2, specifically, be equipped with the hole that axle 20 passed on telescopic link 4, and this hole and the 20 interference fit of axle to realize that telescopic link 4 links into an integrated entity after installing with angle sensor 2, telescopic link 4 drives angle sensor 2's axle 20 rotatory, perhaps all is equipped with the keyway on telescopic link 4 and angle sensor 2's the axle 20, in order to realize through the key that telescopic link 4 and angle sensor 2's rotation is connected, so link into an integrated entity telescopic link 4 and angle sensor 2. The other end of the telescopic rod 2 is provided with a cross-shaped through hole 401 through which the elastic belt 5 passes; the cotton pillow is used for supporting the telescopic rod 2.

When the utility model is used, the hollow shell 1 is arranged at the axle center, namely the hollow shell 1 is arranged at the joint of the limb, and when the limb is ensured to move, the hollow shell 1 is not moved, in particular, a measurer can press the hollow shell 1 by hand to ensure that the hollow shell is not moved; the back passes cross type hole 401 on telescopic link 4 with elastic webbing 5, with bind telescopic link 4 on the limbs, support between telescopic link 4 and limbs through cotton pillow simultaneously, with support telescopic link 4, guarantee that telescopic link 4 parallels with the limbs, so the limbs activity is in order to drive telescopic link 4 activity, thereby telescopic link 4 drives the axle 20 rotation on the angle sensor 2, so survey the limbs mobility, angle sensor 4 sends the angle information of measuring for the controller, the controller passes through the display screen in order to clearly show angle information, directly perceived clear, it is accurate to measure, the degree of automation is high, and the steam generator is simple in structure, therefore, the steam generator is low in manufacturing cost, and is easy to operate, the intensity of labour of measurer is lightened, the visual angle that prior art adopted the calibrated scale to bring reads errors etc. has been got rid of. Just the utility model discloses the operation is fairly simple, easily masters, easily promotes.

The utility model discloses when elastic webbing 5 binds telescopic link 4 on limbs, cotton pillow supports telescopic link 4 to guarantee that telescopic link 4 is parallel with limbs, guarantee telescopic link 4's intensity simultaneously, prevent to damage telescopic link 4 under the 5 elastic action of elastic webbing. Meanwhile, the cotton pillow is used, so that no harm is caused to limbs. The utility model discloses be equipped with the magic subsides on elastic webbing 5 to conveniently bind elastic webbing 5 on limbs, and make things convenient for the dismantlement of elastic webbing 5 for limbs.

The utility model discloses angle sensor 2 is current ripe product, and the market is bought can. The angle sensor 2 sends the measured angle information to the controller, and the controller displays the measured angle information through the display screen, which is a conventional technology, and specifically refer to the prior patent documents: CN201721542506.0, CN201711304969.8, and CN201220647315.1, and discloses a horizontal angle sensor. So reduce the utility model discloses a manufacturing cost is practiced thrift to the research and development cost.

The utility model discloses can be according to the length of different position limbs to adjust the length of telescopic link 4, it is nimble convenient to use, thereby made things convenient for the measurement of different position limbs activity degree, application scope is wide, economical and practical.

The joint mobility measuring instrument of the utility model also comprises a voice broadcasting device (not shown in the figure) arranged in the hollow shell 1; the voice broadcaster is connected with the controller. So when record limbs activity degree, the voice broadcast ware reports angle information, and this is favorable to the not good measurer of eyesight, consequently the utility model discloses it is wide to be suitable for the crowd.

The utility model is characterized in that the telescopic rod 4 comprises a fixed tube 40 and a splicing tube; one end of the fixed tube 40 is sleeved outside the shaft 20 of the angle sensor 2; the splicing pipe consists of a screw rod 41 and an internal threaded pipe 42; one end of the screw rod 41 is connected with one end of the internal threaded pipe 42; the other end of the screw rod 41 is in threaded connection with the other end of the fixed pipe 40; the other end of the fixed tube 40 and the other end of the internally threaded tube 42 are both provided with the cross-shaped perforation 401. Under the action of the screw rod 41, the distance between the fixing tube 40 and the internal thread tube 42 is adjusted, so that the length of the telescopic rod 4 is adjusted. The utility model discloses telescopic link 4 can also adopt the structure that the multitube registrates each other, specifically does not do the injecing here.

The quantity of concatenation pipe is a plurality ofly. So as to put into different splicing tubes according to the length requirement of the telescopic rod 4. Further, the lengths of the splicing pipes are different, so that the requirements under different conditions can be met.

The hollow shell 1 comprises a top shell 10 and a bottom cover 11 which is connected with the top shell 10 in a detachable way. The bottom cover 11 is connected with the top shell 10 through a screw 12, and the hollow shell 1 adopts the detachable structure so as to facilitate the installation of each part in the hollow shell 1.

The bottom of the hollow shell 1 of the utility model is provided with a sucker (not shown in the figure). So through the sucking disc with the convenience with hollow shell 1 inhale on the measurer to need not the measurer and press hollow shell 1 by hand, it is more convenient to use.

The utility model discloses still include the power, the power gives angle sensor, controller, display screen and provides electric power, and the power is preferred to be charging source, is equipped with the interface that charges on the cavity casing 1 to convenient charging, wherein be connected through the wire between power, angle sensor 2, controller, the display screen, this is prior art, no longer gives redundant details.

The utility model discloses break away from traditional calibrated scale display angle, and the manual work reads angle information, and the measurement of bringing is inaccurate, and it is big to read the error, the big scheduling problem of intensity of labour. The utility model discloses an automatic measurement of limbs activity degree, measurement accuracy is high, and easy operation has alleviateed measurer's intensity of labour, has brought very big contribution for medical industry's development simultaneously.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A joint mobility measuring instrument is characterized by comprising a hollow shell, an angle sensor, a controller, a display screen, a telescopic rod, an elastic belt and a cotton pillow; the angle sensor and the controller are both arranged inside the hollow shell; the display screen is arranged on the outer surface of the hollow shell; the controller is respectively connected with the angle sensor and the display screen;

the top of the hollow shell is provided with a through hole communicated with the hollow inner cavity of the hollow shell; a shaft on the angle sensor passes through the through hole and then extends out of the hollow shell; the shaft end part on the angle sensor is provided with an external thread; one end of the telescopic rod is sleeved with the shaft of the angle sensor, and the end part of the shaft is sleeved with a nut; the other end of the telescopic rod is provided with a cross-shaped through hole through which the elastic belt passes; the cotton pillow is used for supporting the telescopic rod.

2. A joint motion measuring instrument according to claim 1, further comprising a voice announcer mounted within the hollow housing; the voice broadcaster is connected with the controller.

3. A joint motion measuring instrument according to claim 1 or 2, wherein the telescopic rod comprises a fixed tube and a splicing tube; one end of the fixed pipe is sleeved with the shaft of the angle sensor; the splicing pipe consists of a screw and an internal threaded pipe; one end of the screw is connected with one end of the internal threaded pipe; the other end of the screw is in threaded connection with the other end of the fixed pipe; the other end of the fixed pipe and the other end of the internal thread pipe are both provided with the cross-shaped through hole.

4. A joint motion measuring instrument according to claim 3, wherein the number of the splicing tubes is plural.

5. A joint motion measuring instrument according to claim 1, wherein the hollow housing comprises a top shell and a bottom cover detachably connected to the top shell.

6. A joint movement measuring instrument according to claim 1, wherein the bottom of the hollow housing is provided with a suction cup.

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