CN218074995U - Shoulder joint mobility measuring apparatu - Google Patents

Abstract

The utility model relates to a shoulder joint mobility measuring instrument, which comprises a base, a dial plate, a bandage and gear teeth, wherein the center of the base is provided with a columnar bulge, the dial plate is divided into a cake area and a ring area, the center of the cake area is provided with a compass, the edge is provided with scales, the ring area is filled by mixing oil and water which are mixed in equal proportion, and the bandage is provided with a buckle and a magic adhesive (a rough surface and a thorn surface); the magic is glued the matte and is located in the middle of the bandage, and the buckle is located bandage one end, and the bandage other end is the magic and glues the thorn face, and the teeth of a cogwheel is located in the middle of base and the dial plate. When in use, the degree of motion of the sagittal axis and the coronal axis moving up and down around the joint is detected, and the solution index in the annular area of the dial is observed for measurement (by utilizing a communicating vessel and the gravity principle). For detecting the degree of motion of internal and external rotation on the vertical shaft, scales pointed by a compass on a pie zone of a dial are observed for measurement (by utilizing the magnetic field principle). The advantages are that: convenient to use, measurement result is accurate.

Description

Shoulder joint mobility measuring apparatu

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a shoulder joint mobility measuring apparatu.

Background

The clinical orthopedists need to measure the activities of the shoulder joints of the patients, such as anteflexion, abduction, hindextension, internal rotation, external rotation and the like, and carry out objective medical sign recording. The existing shoulder joint protractor has the following defects:

1. the existing shoulder joint measurement needs to change various body positions, increases the activity burden of a patient, is limited in measurement conditions and generally needs a bed or a place for lying on the one hand, and can not achieve standard lateral position for an elderly patient on the other hand, so that the measurement precision is reduced.

2. During the use of the measuring scale, the two ends of the measuring scale are fixed by visual inspection of a doctor, and deviation is easy to generate.

3. The existing protractors lack a targeted measurement of the rotational mobility of the shoulder joint.

4. The existing protractor is heavy and occupies a large space.

5. When using a common joint protractor, in addition to the above disadvantages, the user often ignores the state of the joint at the beginning, so that there may be some error in the overall measurement.

The Chinese patent application: CN202120091398.X discloses a knee joint protractor for quiet training person of squatting self-test uses, including sucking disc, telescopic link, multi-functional pole and protractor dial plate, sucking disc fixed connection is at the lower extreme of telescopic link, and the upper end of telescopic link is rotated and is connected with multi-functional pole, multi-functional pole comprises swinging arms and dwang, and the up end of swinging arms and the lower terminal surface of dwang are rotated and are connected, the center department of protractor dial plate is connected with the round pin axle, and the round pin axle is rotated with the upper end of dwang and is connected, and the edge of protractor dial plate is provided with the scale, and 0 scale department is connected with the rope, and the lower extreme of rope is connected with hangs the heavy object. Through the setting of telescopic link, multi-functional pole, protractor dial plate, rope and suspension heavy object, during the use, the rope keeps the parallel state with the telescopic link, utilizes two straight lines parallel, and interior stagger angle equals, can directly obtain the knee joint angle. However, the protractor has the defects that: the structure is comparatively complicated, take up an area of the space greatly, if including telescopic link, multi-functional pole etc. the doctor is comparatively loaded down with trivial details, inconvenient when using.

The Chinese patent application: CN201920134836.9 discloses an ankle joint protractor, including cross slab and base, the welding of base top one side has first montant, and first montant rotates with the cross slab through the pivot to be connected, the welding of base top opposite side has the second montant, and the second montant is close to one side of first montant and has seted up the meshing tooth, inside fourth spout and pivot slider sliding connection of having seted up of transfer line, one side that first slider is close to first montant rotates through the pivot and is connected with the transmission gear dish, the meshing of meshing tooth and transmission gear dish is passed through to the transfer line top through seting up. Make the clear show of angle in the ankle motion process through the transfer line, simultaneously through the meshing between meshing tooth and the transmission gear dish to fix cross slab and top board, overall structure is simple effective, will have extensive development prospect in the future. However, the protractor has the same defects: the structure is comparatively complicated, take up an area of the space greatly, if including first montant, second montant etc. the doctor is comparatively loaded down with trivial details, inconvenient when using.

U.S. patent application: US06/402339 discloses: <xnotran> An instrument for measuring positions and displacements of portions of a human body, comprising a base plate and a belt or suction cup for detachably securing the base plate to a portion of a human body.Abifurcated holder is mounted on the base plate for rotation about a first axis, the bifurcated holder having a pair of arms, and a housing is pivotally carried between these arms for swinging movement about a second axis perpendicular to the first axis.Adip circle and a north-south-seeking compass are carried by this housing, the dip circle and compass being mounted on the housing for pivotal movement about a common third axis perpendicular to the second axis.The base plate has a scale thereon, and there is an indicator on the holder for indicating on the scale the degree of rotation of the holder relative to the base plate.There is also a scale for indicating the degree of rotation of the dip circle and compass relative to the housing, and this scale is rotatable relative to the housing about that common third axis. ( : , , . , , , . , , </xnotran> For pivotal movement about a common third axis perpendicular to the second axes. The base plate has a scale and the bracket has an indicator thereon for indicating on the scale the degree of rotation of the bracket relative to the base plate. There is also a scale for indicating the degree of rotation of the pitch circle and compass relative to the housing, and the scale is rotatable relative to the housing about the common third axis. ) The patent has the defects of inaccurate measured value and complex structure.

So in order to overcome the defect of the joint protractor among the prior art, the utility model designs a novel joint activity degree measuring apparatu including dial plate, ring district isotructure, through simply fixed when using, can carry out shoulder joint and even the measurement of whole body joint rotation activity degree, adjusts initial state scale before the measurement, and the variable during the measurement only is the activity degree, can the accurate activity condition that reflects. Has the advantages of simplicity, safety, light weight and easy operation, and is suitable for clinicians engaged in joint disease research for a long time. About the utility model relates to a shoulder joint mobility measuring apparatu has not seen the report at present.

Disclosure of Invention

The utility model aims at providing a shoulder joint mobility measuring apparatu to the not enough of prior art.

In order to achieve the purpose, the utility model adopts the technical proposal that:

the utility model provides a shoulder joint mobility measuring instrument, including base 1, dial plate 3, bandage 6, teeth of a cogwheel 8, base 1 center is equipped with column arch 2, dial plate 3 divide into pie district and ring district 5, and pie district center is equipped with compass 4, and the edge is equipped with scale 7, and bandage 6 includes magic sticky matte surface 601 and buckle 602, magic sticky thorn surface 603, and wherein buckle 602 is located bandage 6 one end, and magic sticky matte surface 601 is located in the middle of bandage 6, and magic sticky thorn surface 603 is located the other end of bandage 6; base 1 is connected with dial plate 3 through column arch 2, and bandage 6 is connected with base 1 through buckle 602, the teeth of a cogwheel 8 is located base 1 and dial plate 3 centre, dial plate 3 lower surface still is equipped with the meshing tooth that matches with the teeth of a cogwheel 8.

Preferably, the base 1 is circular in appearance.

Preferably, the compass 4 measures the degree of motion of the joint rotation about a vertical axis.

Preferably, the annular region 5 is filled with a mixed solution of oil and water in equal proportion.

Preferably, the oil in the annulus 5 is blue in colour.

Preferably, the ring zone 5 is a measure of the degree of motion of the joint rotation about the sagittal and coronal axes.

Preferably, the bandage 6 has 2 sections, 1 magic tape face 601 is arranged in the middle of each section of bandage 6, 1 buckle 602 is arranged at one end of each section of bandage 6, and 1 magic tape face 603 is arranged at the other end.

Preferably, the snap 602 is a plastic snap.

Preferably, the scale 7 is divided into two parts, an upper part and a lower part, and the numerical value of each part ranges from 0 to 180 degrees.

Preferably, the teeth 8 are convex in appearance.

Preferably, dial 3 is rotated by gear teeth 8 during use to correct the solution level indication and compass 4 indication.

Before the test, the horizontal line of the ring area is aligned to the scale mark of 0-180 degrees, if the body position is deviated due to personal reasons and the initial existing angle is possibly generated, the horizontal plane cannot be aligned to the scale mark of 0-180 degrees, the scale mark of 0 degree is aligned to the initial horizontal plane through the rotation of the dial plate, the direct reading is realized, and the measurement is simpler.

The measurement of compass is the same, and the compass is arranged in wrist department, stands down, and the compass is invariable direction, measures the accessible: the adjustment dial plate is with 0 degrees rotation to compass direction, and the rotation of interior external rotation, compass all is on the horizontal plane, the invariable direction of compass, and the interior external rotation back, the pointer is the interior external rotation angle with the angle that 0 degree line staggers promptly, perhaps ties up back accessible people's self rotation, and is rotatory to the compass direction unanimous with 0 scale mark.

Principle of communicating vessels: the containers with mutually communicated bottoms are filled with the same liquid, and the liquid level of each container in the communicating vessel is always kept on the same horizontal plane when the liquid does not flow. The principle of the communicating vessels can be explained by the liquid pressure. If the same liquid is contained in the U-shaped glass tube, a small liquid sheet is supposed in the middle of the bottom of the communicating vessel. Provided that the liquid is stationary and does not flow. The pressure of the liquid in the left tube to the liquid sheet to the right side is equal to the pressure of the liquid in the right tube to the liquid sheet to the left side. Because the same liquid is filled in the communicating vessel, the densities of the left liquid column and the right liquid column are the same, and the pressure intensity of the liquid columns on the two sides to the liquid sheet can be equal only when the heights of the liquid columns on the two sides are equal according to a formula P = ρ gh. Therefore, the liquid level in each container of the communicating vessel should be kept flat under the condition that the liquid does not flow.

The utility model has the advantages that:

can be used for measuring the activity such as anteflexion of patient's shoulder joint, abduction, back extension, internal rotation, extorsion, carry out objective medical sign record, compare with traditional protractor, have simple structure, convenient to use, easily operation, light in weight's advantage, and traditional protractor is comparatively difficult to the measurement of activity such as whole-body internal rotation, extorsion, the utility model discloses broken through this limitation for the first time, mainly rely on the compass to utilize the magnetic field principle to keep the compass direction invariable, before the use, simply fix earlier, can carry out the measurement of shoulder joint and even whole-body joint rotation activity through structures such as dial plate, adjust initial state scale before measuring, the variable during the measurement only is the activity, can accurate measurement activity, with internal and external rotation activity measurement function, around activities such as activity such as anteflexion-extension, internal and external extension) degree measurement function collection in an organic whole, the practicality is strong, and application prospect is wide.

Drawings

Fig. 1 is a schematic view of the whole structure of the shoulder joint mobility measuring instrument of the present invention.

Fig. 2 is a schematic structural diagram of the front surface of the base.

Figure 3 is a schematic view of the base back and strap configuration.

Fig. 4 is a schematic view of a dial structure.

Fig. 5 is a schematic diagram of the operation of detecting the degree of motion of the joint about the coronal axis and the sagittal axis.

Fig. 6 is a schematic diagram of the principle of the motion detection of the right and left motion around the joint on the vertical axis.

1. A base;

2. a columnar bulge;

3. a dial plate;

4. a compass;

5. a loop region;

6. binding bands;

601. magic sticky hair surface;

602. buckling;

603. magic sticking thorn surfaces;

7. calibration;

8. and (4) gear teeth.

Detailed Description

The present invention will be further described with reference to the following detailed description. It should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications can be made by those skilled in the art after reading the disclosure of the present invention, and these equivalents also fall within the scope of the appended claims.

Example 1

Referring to fig. 1-4, fig. 1 is a schematic diagram of the overall structure of the shoulder joint mobility measuring instrument of the present invention; FIG. 2 is a schematic view of the front structure of the base; FIG. 3 is a schematic view of the base back and strap configuration; fig. 4 is a schematic view of a dial structure.

The embodiment provides a shoulder joint mobility measuring instrument, the utility model provides a shoulder joint mobility measuring instrument, including base 1, dial plate 3, bandage 6, teeth of a cogwheel 8, base 1 center is equipped with columnar protrusion 2, dial plate 3 divide into pie district and ring district 5, and pie district center is equipped with compass 4, and the edge is equipped with scale 7, and bandage 6 includes magic sticky matte surface 601 and buckle 602, magic sticky surface 603, and wherein buckle 602 is located bandage 6 one end, and magic sticky matte surface 601 is located in the middle of bandage 6, and magic sticky surface 603 is located the other end of bandage 6; base 1 is connected with dial plate 3 through columnar bulge 2, and bandage 6 is connected with base 1 through buckle 602, teeth of a cogwheel 8 are located in the middle of base 1 and dial plate 3, dial plate 3 lower surface still is equipped with the meshing tooth that matches with teeth of a cogwheel 8. Preferably, the base 1 is circular in appearance. Preferably, the compass 4 measures the degree of motion of the joint rotation about a vertical axis. Preferably, the annular region 5 is filled with a mixed solution of oil and water in equal proportion. Preferably, the oil in the annulus 5 is blue in colour. Preferably, the ring zone 5 is a measure of the degree of motion of the joint rotation about the sagittal and coronal axes. Preferably, the bandage 6 has 2 sections, 1 magic tape face 601 is arranged in the middle of each section of bandage 6, 1 buckle 602 is arranged at one end of each section of bandage 6, and 1 magic tape face 603 is arranged at the other end. Preferably, the snap 602 is a plastic snap. Preferably, the scale 7 is divided into two parts, an upper part and a lower part, and the numerical value of each part ranges from 0 to 180 degrees. Preferably, the teeth 8 are convex in appearance. Preferably, dial 3 is rotated by gear teeth 8 during use to correct the solution level indication and compass 4 indication.

The application method and numerical observation of the embodiment:

when measuring the shoulder mobility, the patient is in a standing position, the chest is lifted, the abdomen is contracted, the upper limbs naturally droop, and the patient is placed on two sides of the body.

(1) When measuring the forward flexion and the backward extension, the palm is backwards, the measuring instrument is tied at the outer side of the far end of the upper arm by using a binding band 6, the scale mark of the dial ring area is adjusted to be a horizontal line of 0-180 degrees, and the patient is ordered to observe the scale of the water surface after the shoulder is forward flexion and backward extension to be the activity degree;

(2) when abduction is measured, the palm is inward, the protractor is arranged at the front side of the far end of the upper arm, the scale of the annular area 5 of the dial 3 is adjusted to be horizontal line of 0-180 degrees, and a patient is ordered to observe the scale of the water surface after abduction to be the activity degree;

(3) when the shoulder external rotation and internal rotation are measured, the upper arm of the patient is clamped, the elbow and the upper arm form 90 degrees, the protractor is arranged at the far end of the elbow, the direction of the compass of the dial is adjusted to be 0 degree, the patient is ordered to perform internal rotation and external rotation, and the scale indicated by the observation compass is the internal rotation and external rotation degree.

It should be noted that, the doctor can adjust the size of the bandage 6 by adjusting the magic sticky fur surface 601 and the magic sticky pricking surface 603 according to the size of the shoulder or the arm of the patient, and the like, so as to firmly fix the measuring instrument on the arm or the shoulder of the patient.

Example 2

The embodiment aims to explain the working principle of the activity detection of the measuring instrument on the coronal axis and the sagittal axis and around the joint to move up and down:

referring to fig. 5, fig. 5 is a schematic diagram of the operation of detecting the degree of motion of the joint in the coronal axis and the sagittal axis.

The measurement of the motion degree of the upper and lower movements around the joints in the coronal and sagittal axes, such as the anteflexion, retroflexion, and abduction of the shoulder, hip, elbow, and knee joints in the standing position, is carried out by observing the indication of the solution in the ring zone 5 on the dial 3. Mainly utilizes the principle that liquid keeps constant horizontal height under the gravity and the communicating vessel, and measures the moving angle through a disc structure; the measurement principle is shown in FIG. 5:

FIG. 5 shows the measurement of shoulder abduction, with the degree of external rotation alpha, the patient standing, the upper limb relaxed and drooped, the elbow joint straightened, and the palm inward, the measuring device located at the front side of the distal end of the upper arm, and the rotation after adjusting the compass to 0-180 deg. horizontal line.

Dotted line: l water, representing the liquid level in the ring of the meter, dashed line: l0 represents the scale mark of 0-180 degrees in the dial, and L water is set as L 'water due to the principle of the communicating vessel after the joint moves, and L0 is L'0 in the same way.

During measurement, because the measuring instrument is bound and fixed at the far end of the upper arm, ko is vertical to L0, and likewise, ko 'is vertical to L0' after moving, the liquid in the annular area 5 is always kept horizontal before and after moving, namely:

α+β+90°＝180°

θ+β+90°＝180°

therefore, the result is proved that alpha = theta, namely the abduction degree of the joint alpha = the degree theta of the rotation of the solution in the ring area.

It should be noted that, (1) when the activity degree is greater than 90 °, the above-mentioned demonstration is also true; (2) when the liquid level of the solution is lowered or raised due to repeated consumption, the 0-degree scale line is only aligned with the liquid level at the moment, and the activity can be tested normally when the operation is carried out.

Sagittal axis: for measurement of abduction-adduction.

A crown axis: for measurement of anterior flexion and posterior extension.

Anteflexion: generally refers to the motion of a joint along the coronal axis such that the angle between the two bones of the joint is reduced.

Back stretching: typically movement of the joint along the coronal axis, such as a posterior motion.

Abduction: the joint generally moves along the sagittal axis, with the bones moving closer to the median sagittal plane, called contraction, and away from the median sagittal plane, called expansion. For example, the lateral lifting of the two arms is the abduction of the two arms around the shoulder joint.

Example 3

The embodiment aims to explain the working principle of the activity detection of the measuring instrument on the vertical axis and doing left and right movement around the joint:

referring to fig. 6, fig. 6 is a schematic diagram of the movement detection of the right and left movement around the joint on the vertical axis.

For the activity detection of the left and right activities around the joint on the vertical axis, such as the internal rotation and the external rotation of the shoulder joint in a standing position and the activity of the neck rotation, the constant direction characteristic of the compass is mainly utilized, and the rotation angle is measured through the rotation of the limbs, and the measurement principle is shown in figure 6:

FIG. 6 shows the measurement of internal and external rotation, the degree of external rotation is beta, the patient stands up, the upper arm is relaxed, the forearm and the upper arm form 90 degrees, the palm is upward, the measuring instrument is positioned at the inner side of the far end of the forearm, the reading of the compass 4 is adjusted to be 0-180 degrees horizontal line, and the measurement is carried out after the rotation

Dotted line: l0, represents 0-180 in the dial, dashed line: the L needle is a scale pointed by the compass, the measuring instrument is fixed at the far end of the elbow, a dotted line L0 (a line from 0 degree to 180 degrees) is always consistent with the direction of the elbow, the direction of the compass is always consistent (by utilizing a magnetic field principle), and alpha = beta and the degree of outward rotation beta of the shoulder joint = the degree alpha pointed by the compass can be obtained.

Note that, the vertical axis: the method is used for measuring the internal rotation and the external rotation.

Internal rotation and external rotation: is the movement of the joint along a vertical axis, such as rotation of the humerus antero-medially about the central axis of the bone, known as pronation or pronation, and postero-lateral rotation, known as supination or supination.

The traditional protractor has the defects of large occupied space, heavy weight, inconvenient carrying, tedious use and low accuracy of measured values, the measuring instrument designed by the utility model has simple structure, convenient use, convenient carrying for the ward round of doctors, high accuracy of measured values, and can ensure constant horizontal height through the oil and water in equal proportion, the principle of a communicating vessel and the principle of gravity, and the movable angle is measured through the disc structure; the rotation angle is measured by the rotation of the limbs by utilizing the characteristic of constant direction of the compass. Before the use, simply fix earlier, can carry out the measurement of shoulder joint and even whole body joint rotation activity degree through structures such as dial plate, adjust initial state scale before the measurement, the variable during the measurement is the activity degree only, can accurate measurement activity degree, and the practicality is strong, and application prospect is wide.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principles of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.

Claims (10)

1. The shoulder joint mobility measuring instrument is characterized by comprising a base (1), a dial plate (3), a binding band (6) and gear teeth (8), wherein a columnar bulge (2) is arranged at the center of the base (1), the dial plate (3) is divided into a cake area and a ring area (5), a compass (4) is arranged at the center of the cake area, scales (7) are arranged at the edge of the cake area, the binding band (6) comprises a magic sticky matte surface (601), a buckle (602) and a magic sticky surface (603), the buckle (602) is located at one end of the binding band (6), the magic sticky matte surface (601) is located in the middle of the binding band (6), and the magic sticky surface (603) is located at the other end of the binding band (6); base (1) is connected with dial plate (3) through column arch (2), and bandage (6) are connected with base (1) through buckle (602), teeth of a cogwheel (8) are located in the middle of base (1) and dial plate (3), dial plate (3) lower surface still is equipped with the meshing tooth that matches with teeth of a cogwheel (8).

2. The measuring instrument according to claim 1, characterized in that the base (1) is circular in appearance.

3. The surveying instrument according to claim 1, characterized in that the compass (4) is a compass that measures the degree of movement for joint rotation about a vertical axis.

4. The measuring instrument according to claim 1, characterized in that the annular zone (5) is filled with a mixed solution of oil and water in equal proportions.

5. A measuring instrument as claimed in claim 4, characterized in that the oil in the ring zone (5) is blue in colour.

6. The measuring instrument according to claim 1, characterized in that the ring zone (5) is for measuring the degree of motion for joint rotation about the sagittal and coronal axes.

7. The measuring instrument as claimed in claim 1, wherein the number of the binding band (6) is 2, 1 magic sticky surface (601) is arranged in the middle of each binding band (6), 1 buckle (602) is arranged at one end of each binding band (6), and 1 magic sticky surface (603) is arranged at the other end of each binding band.

8. The gauge as claimed in claim 1, wherein the snap (602) is a plastic snap.

9. The measuring instrument according to claim 1, characterized in that the scale (7) is divided equally into an upper and a lower part, each part having a value in the range of 0-180 °.

10. A gauge as claimed in claim 1, wherein the gear teeth (8) are convex in appearance.

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