CN108652728B - An orthopaedic support plate for leg disabled patients - Google Patents

Abstract

The invention belongs to the technical field of orthopedic support plates, and in particular relates to an orthopedic support plate for patients with leg disabilities, which comprises a front fixing plate, an adjustment mechanism, an elastic connecting square sleeve and a rear fixing plate. When supporting the plate, before use, adjust the first adjustment to make the first adjustment rotate; the first adjustment rotation will make the first adjustment move downward; make the contact between the third adjustment disc and the corresponding semicircular snap ring zero pressure contact; at this time, adjust the second adjustment to make the second adjustment rotate; the second adjustment rotation will make the third adjustment disc move toward the side where the first adjustment disc is installed; finally, the third adjustment disc and the The compressive elastic force of the second spring between the adjustment discs is fixed; by adjusting the compressive elastic force of the two second springs in the two adjustment mechanisms, the elastic modulus of the whole support plate is close to the elastic modulus of the bone; the support is reduced cost of use of the board.

Description

An orthopaedic support plate for leg disabled patients

Technical field

The invention belongs to the technical field of orthopaedic support plates, and in particular relates to an orthopedic support plate for leg disabled patients.

Background technique

Orthopedic internal fixation technology has been widely used in clinical practice. Orthopedic implants that often rely on screws are often used. Due to "the destructive fixation method between screws and host bone" and "industrialized rods, plates, belts, wires and other structures cannot be compared with personalized ones." "The host bone surface fits", which may cause damage to muscles and bones; at the same time, the cost of orthopedic implants is high; if all orthopedic implants are used, the cost of orthopedic implants will increase.

The present invention designs an orthopaedic support plate for leg disabled patients to solve the above problems.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned defects in the prior art, the present invention discloses an orthopaedic support plate for a patient with a leg disability, which is realized by adopting the following technical solutions.

An orthopaedic support plate for leg disabled patients is characterized in that: it includes a front fixing plate, an adjusting mechanism, an elastic connecting square sleeve, a rear fixing plate, a fixing plate, a connecting plate, a fixing cylinder, a square chute, a circular One end of the rear fixing plate is installed with two connecting plates symmetrically up and down; one of the two connecting plates located on the upper side is provided with a through square chute and a connecting plate on the upper side. A circular adjustment hole; the circular adjustment hole is close to the rear fixing plate; two through shaft holes are symmetrically opened on the side of the fixing plate; the fixing plate is installed on the two connecting plates and the fixing plate is far away from the rear fixing plate; Two fixed cylinders are installed symmetrically on both sides.

One end of the front fixing plate is installed with two adjusting mechanisms; the two adjusting mechanisms are connected by two connecting rods; one of the two adjusting mechanisms away from the front fixing plate is located at the two connecting points between the rear fixing plate and the fixing plate. between two connecting plates; the two connecting rods pass through the two shaft holes on the fixing plate respectively; the adjusting mechanism located between the two connecting plates The chute is matched with the circular adjusting hole; the two fixed cylinders installed on the fixed plate are matched with the two adjusting mechanisms respectively.

The front fixing plate and the rear fixing plate are connected by elastic connecting square sleeves.

The above-mentioned adjustment mechanism includes a first adjustment, a second adjustment, a first adjustment disk, a second adjustment disk, a first spring, a square mounting block, a third adjustment disk, a second spring, a slider, a third spring, a first Four springs, circular grooves, square installation grooves, circular holes, semicircular snap rings, and limit blocks, of which one end of the square installation block is provided with a circular groove; The square installation groove and the circular hole are connected; the circular surface of the circular hole has internal threads; the circular groove opened on the square installation block is provided with a semicircular snap ring on the circular surface on the lower side of the square installation groove; the first One end of the adjustment is cylindrical, and the other end of the first adjustment is conical; the outer circular surface of the cylindrical end of the first adjustment has an external thread; the first adjustment is through the external thread on it and the opening on the square mounting block. The inner thread of the inner side of the circular hole is fitted on the square mounting block; the slider has a through hole, and the circular surface of the circular hole has an inner thread; the slider is mounted on the square mounting block through the cooperation of the guide block and the guide groove The fourth spring and the third spring are installed between the two sides of the slider and the two sides of the square mounting slot opened on the square mounting block; the third spring is close to the opening on the square mounting block. The limit block is installed on one side of the square installation slot opened on the square installation block, and the limit block cooperates with the slider; one end of the second adjustment is cylindrical, and the other end of the second adjustment is conical The second adjustment is that there is an external thread on the outer circular surface of one end of the cylindrical shape; the second adjustment is installed on the slider through the cooperation of the external thread on it and the internal thread inside the circular hole opened on the slider.

The second adjustment disk is installed in the circular groove opened on the square mounting block; the second adjustment disk is matched with the conical end of the first adjustment; the second adjustment disk is located on a side of the first adjustment facing the second adjustment The third adjustment disc is installed in the circular groove opened in the square installation groove; the third adjustment disc is matched with the conical end of the second adjustment; the third adjustment disc is located in the second adjustment Adjusting side; a first spring is installed between the second adjusting disc and the third adjusting disc; the third adjusting disc is matched with the semicircular snap ring installed in the circular groove opened on the square mounting block; the semicircular The snap ring is located on the side of the third adjusting disk close to the second adjusting disk; the first adjusting disk is installed in the circular groove opened on the square mounting block; the first adjusting disk and the second adjusting disk are respectively are located on both sides of the third adjusting disc; a second spring is installed between the first adjusting disc and the third adjusting disc.

The side end face of the square mounting block in one of the above-mentioned two adjustment mechanisms without the circular groove is installed on the front fixing plate; the other adjustment mechanism of the two adjustment mechanisms is located between the rear fixing plate and the fixing plate The two connecting plates are connected; the end faces of the square mounting blocks in the two adjusting mechanisms are connected by two connecting rods; the two connecting rods pass through the two openings on the fixing plate Axle hole; the second adjustment in the adjustment mechanism located between the two connecting plates connected between the rear fixed plate and the fixed plate is matched with the square chute opened on the one connecting plate on the upper side of the two connecting plates; The first adjustment in the adjustment mechanism between the two connecting plates connected between the rear fixed plate and the fixed plate is matched with the circular adjustment hole opened on the one connecting plate on the upper side of the two connecting plates; the two The circular grooves opened on the square mounting block in the adjusting mechanism are respectively nested on the two fixed cylinders installed on both sides of the fixed plate; The two fixed cylinders on both sides are in contact fit.

The upper side of the second adjustment in the above two adjustment mechanisms has a first mark; the upper side of the square mounting block in one of the two adjustment mechanisms that is close to the front fixing plate has a first mark corresponding to the corresponding first mark. Two marks; the upper side of the one connecting plate located on the upper side of the two connecting plates has a second mark corresponding to the corresponding first mark.

As a further improvement of the present technology, the above-mentioned first spring is a compression spring; the second spring is a compression spring.

As a further improvement of the present technology, the elastic connecting square sleeve connecting the above-mentioned front fixing plate and the rear fixing plate and the connection between the front fixing plate and the rear fixing plate are all smooth transitions; its function is to prevent the support plate from following the bone swing process The elastic connection square sleeve is connected to the front and rear fixed plates to clamp the surrounding meat; meanwhile, the elastic connection square sleeve can adapt to the small deformation when the bone swings; it protects the structure between the front fixed plate and the rear fixed plate .

As a further improvement of this technology, the elastic deformation of the above elastic connecting square sleeve is 0.3mm; through experiments, it is proved that 0.3mm can better adapt to the deformation caused by the swing of the bone, and prevent the large variable from affecting the surrounding muscles.

As a further improvement of the present technology, the taper of one end of the upper conical shape of the first adjustment is 30 degrees; the taper of the end of the upper conical shape of the second adjustment is 30 degrees.

As a further improvement of the present technology, the third spring is a compression spring; the fourth spring is a compression spring; the elasticity of the third spring is greater than that of the fourth spring.

As a further improvement of the present technology, the above-mentioned alternative solution for the installation between the slider and the square installation groove opened on the square installation block through the guide block and the guide groove is to install through the bearing.

As a further improvement of the present technology, when the first marks on the second adjustment of the two adjustment mechanisms are aligned with the corresponding second marks during the adjustment process, after the two first adjustments are adjusted and reversed by 0.5 turns, the corresponding third The contact between the adjustment disc and the corresponding half-circle snap ring is zero pressure contact.

In the present invention, the first adjustment is installed on the square installation block through the cooperation of the external thread on it and the internal thread inside the circular hole opened on the square installation block; the slider is installed on the square installation through the cooperation of the guide block and the guide groove A fourth spring and a third spring are installed between the two sides of the slider and the two sides of the square installation slot opened on the square installation block; the limit block is installed on the square installation block On one side of the opened square installation groove, the limit block cooperates with the slider; the second adjustment is installed on the slider through the cooperation of the external thread on it and the internal thread inside the circular hole opened on the slider; The second adjusting disk is installed in the circular groove opened on the square mounting block; the second adjusting disk is matched with the conical end of the first adjusting upper; the third adjusting disk is installed in the circular groove opened in the square mounting groove The third adjusting disc is matched with the conical end of the second adjusting disc; the first spring is installed between the second adjusting disc and the third adjusting disc; the third adjusting disc is installed on the square mounting block The semi-circular snap ring in the circular groove opened on the upper part is matched; the semi-circular snap ring is located on the side of the third adjusting disk close to the second adjusting disk; the first adjusting disk is installed on the inside the groove; the first adjusting disc and the second adjusting disc are respectively located on both sides of the third adjusting disc; a second spring is installed between the first adjusting disc and the third adjusting disc; Second adjustment rotation; because the second adjustment is installed on the slider through the cooperation of the external thread on it and the inner thread inside the circular hole opened on the slider; so at this time, the second adjustment rotation will make the second adjustment direction downward movement; the second adjustment downward movement will squeeze the third adjustment disc, so that the third adjustment disc moves towards the side where the first adjustment disc is installed; the third adjustment disc moves towards the side where the first adjustment disc is installed; The movement of one side of the adjustment disc will squeeze the second spring; finally, the compression elastic force of the second spring between the third adjustment disc and the first adjustment disc is fixed; when the adjustment is completed, adjust the first adjustment to make the first adjustment One adjustment rotation; because the first adjustment is installed on the square installation block through the cooperation of the external thread on it and the inner thread inside the circular hole opened on the square installation block; so the first adjustment rotation will make the first adjustment direction downward movement; the downward movement of the first adjustment will squeeze the second adjustment disk, so that the second adjustment disk moves toward the side where the third adjustment disk is installed; the second adjustment disk moves toward the side where the third adjustment disk is installed; When one side of the adjusting disc moves, the first spring will be squeezed; the third adjusting disc is pushed to move by the first spring; when the third adjusting disc moves, the third adjusting disc will lose its alignment with the corresponding second adjusting disc. The restraint of the adjustment; at this time, under the action of the third spring and the fourth spring, the slider will move towards the side where the fourth spring is installed; during the movement of the slider, when the first mark on the second adjustment When aligning with the corresponding second mark, adjust the first adjustment to make the first adjustment reversely rotate 0.5 circles; at this time, the contact between the third adjustment disc and the corresponding second adjustment is zero pressure contact; by adjusting the two adjustment The compressive elastic force of the two second springs in the mechanism makes the elastic modulus of the overall support plate close to the elastic modulus of the bone; When following the bone swing, it can adapt to the small deformation of the bone; prevent the support plate from affecting the bone swing; during long-term use; when the elastic coefficient of the second spring changes, the third adjustment disc and the first adjustment circle The compressive elastic force of the second spring between the discs will change; at this time, manually adjust the rotation of the first adjustment, so that the first adjustment moves downward; the downward movement of the first adjustment will squeeze the second adjustment disk, so that the first adjustment is moved downward. The second adjusting disc moves towards the side where the third adjusting disc is installed; the second adjusting disc moves towards the side where the third adjusting disc is installed will squeeze the first spring; The three adjustment discs move; the movement of the third adjustment disc will compress the second spring; increase the compressive elastic force of the second spring between the third adjustment disc and the first adjustment disc; and then make the elastic mold of the integral support plate again. The elastic modulus is close to the elastic modulus of the bone; the support plate can adapt to the small deformation of the bone when it swings with the bone; it prevents the support plate from affecting the swing of the bone; the function of the semicircular snap ring is to limit the third adjustment disc Bit action to prevent it from slipping on the other side corresponding to the second adjustment. The function of the design limit block of the present invention is to prevent the second adjustment from being pushed in the opposite direction by the third adjustment disk during the process of squeezing the third adjustment disk.

Compared with the traditional orthopaedic support plate technology, the support plate designed by the present invention adjusts the compressive elastic force of the second spring in the two adjustment mechanisms, so that the elastic modulus of the whole support plate is close to the elastic modulus of the bone; furthermore, the elastic modulus of the support plate is reduced. The cost.

Description of drawings

Figure 1 is a schematic diagram of the appearance of the overall components.

Figure 2 is a schematic diagram of the overall component distribution.

Figure 3 is a schematic diagram of the distribution of the internal structure of the overall component.

Figure 4 is a schematic diagram of the installation of the adjustment mechanism.

Figure 5 is a schematic diagram of the distribution of the adjustment mechanism.

FIG. 6 is a schematic diagram of the structure of the elastic connection square sleeve.

Figure 7 is a schematic diagram of the installation of the fixing plate.

Figure 8 is a schematic diagram of the installation of the connection board.

Figure 9 is a schematic view of the structure of the adjustment mechanism.

Fig. 10 is a schematic diagram of the installation of the third adjusting disc.

Figure 11 is a schematic structural diagram of a square mounting block.

Figure 12 is a schematic diagram of the second adjustment installation.

Label names in the figure: 1. Front fixing plate; 2. Adjusting mechanism; 3. Elastic connection square sleeve; 4. Rear fixing plate; 5. Fixing plate; 6. Connecting plate; 7. Fixed cylinder; 8. Square chute; 9, circular adjustment hole; 10, shaft hole; 11, first adjustment; 12, second adjustment; 13, first adjustment disc; 14, second adjustment disc; 15, first spring; 16, square installation block; 17, the third adjustment disc; 18, the second spring; 19, the slider; 20, the third spring; 21, the fourth spring; 22, the first mark; 23, the circular slot; 24, the square mounting slot ; 25, circular hole; 26, semicircle snap ring; 27, connecting rod; 28, second mark; 29, limit block.

Detailed ways

As shown in Figures 1, 2, 7, and 8, it includes a front fixing plate 1, an adjusting mechanism 2, an elastic connecting square sleeve 3, a rear fixing plate 4, a fixing plate 5, a connecting plate 6, a fixing cylinder 7, and a square chute 8 , circular adjustment hole 9, shaft hole 10, connecting rod 27, wherein as shown in Figure 8, one end of the rear fixing plate 4 is installed with two connecting plates 6 symmetrically up and down; one of the two connecting plates 6 is located on the upper side The upper side of the connecting plate 6 is provided with a through square chute 8 and a circular adjustment hole 9; the circular adjustment hole 9 is close to the rear fixing plate 4; as shown in FIG. There are through shaft holes 10 ; the fixing plate 5 is installed on the two connecting plates 6 and the fixing plate 5 is away from the rear fixing plate 4 ;

As shown in Fig. 3, two adjustment mechanisms 2 are installed at one end of the front fixing plate 1; as shown in Fig. 7, the two adjustment mechanisms 2 are connected by two connecting rods 27; as shown in Figs. Among the adjusting mechanisms 2, one adjusting mechanism 2 away from the front fixing plate 1 is located between the two connecting plates 6 connected between the rear fixing plate 4 and the fixing plate 5; as shown in Figures 7 and 8, the two connecting rods 27 are respectively Pass through the two shaft holes 10 on the fixed plate 5; as shown in FIG. 7, the adjustment mechanism 2 located between the two connecting plates 6 and one of the two connecting plates The square chute 8 is matched with the circular adjustment hole 9 ; as shown in FIGS. 3 and 7 , the two fixed cylinders 7 installed on the fixed plate 5 are matched with the two adjustment mechanisms 2 respectively.

As shown in FIGS. 1 , 5 and 6 , the front fixing plate 1 and the rear fixing plate 4 are connected by an elastic connecting square sleeve 3 .

As shown in Figures 9, 10 and 11, the above-mentioned adjustment mechanism 2 includes a first adjustment 11, a second adjustment 12, a first adjustment disc 13, a second adjustment disc 14, a first spring 15, a square mounting block 16, a first Three adjustment discs 17, second spring 18, slider 19, third spring 20, fourth spring 21, circular groove 23, square mounting groove 24, circular hole 25, semicircular snap ring 26, limit block 29, As shown in Figure 11, one end of the square mounting block 16 is provided with a circular groove 23; the circular surface of the circular groove 23 is provided with a square mounting groove 24 and a circular hole 25 that communicate with the upper side of the square mounting block 16; The circular surface of the shaped hole 25 has internal threads; the circular groove 23 opened on the square mounting block 16 is provided with a semicircular snap ring 26 on the circular surface on the lower side of the square mounting groove 24; as shown in Figure 10, the first One end of the adjustment 11 is cylindrical, and the other end of the first adjustment 11 is conical; the first adjustment 11 has an external thread on the outer circular surface of the cylindrical end; as shown in Figures 10 and 11, the first adjustment 11 passes through the The external thread on the square mounting block 16 and the internal thread inside the circular hole 25 opened on the square mounting block 16 are fitted on the square mounting block 16; as shown in Figure 12, the slider 19 has a through round hole, There are internal threads on the circular surface; as shown in Figures 9, 11, and 12, the slider 19 is installed in the square installation groove 24 opened on the square installation block 16 through the cooperation of the guide block and the guide groove; as shown in Figure 10, A fourth spring 21 and a third spring 20 are installed between the two sides of the slider 19 and the two sides of the square installation groove 24 opened on the square installation block 16; as shown in Figures 10 and 11, the third spring 20 is close to the square The circular hole 25 opened on the mounting block 16; as shown in Figures 10 and 11, the limit block 29 is installed on one side of the square mounting groove 24 opened on the square mounting block 16, and the limit block 29 and the slider are 19 is matched; one end of the second adjustment 12 is cylindrical, and the other end of the second adjustment 12 is conical; the second adjustment 12 has an external thread on the outer surface of the cylindrical end; 12 is mounted on the slider 19 through the cooperation of the external thread on it and the internal thread inside the circular hole opened on the slider 19 .

As shown in Figures 10 and 11, the second adjusting disc 14 is installed in the circular groove 23 opened on the square mounting block 16; as shown in Figure 10, the second adjusting disc 14 and the first adjusting disc 11 are conical The second adjusting disc 14 is located on the side of the first adjusting disc 11 facing the second adjusting In the groove 23; as shown in Figure 10, the third adjustment disk 17 is matched with the conical end of the second adjustment 12; the third adjustment disk 17 is located on the side of the second adjustment 12 facing away from the first adjustment 11; A first spring 15 is installed between the second adjusting disc 14 and the third adjusting disc 17; as shown in Figures 10 and 11, the third adjusting disc 17 and the circular groove 23 opened on the square mounting block 16 The inner half-circle snap ring 26 is matched; the half-circle snap ring 26 is located on the side of the third adjusting disk 17 close to the second adjusting disk 14; the first adjusting disk 13 is installed in the circular groove opened on the square mounting block 16 23; the first adjusting disc 13 and the second adjusting disc 14 are respectively located on both sides of the third adjusting disc 17; a second spring 18 is installed between the first adjusting disc 13 and the third adjusting disc 17.

As shown in FIGS. 3 and 11 , the side end face of the square mounting block 16 in one of the two adjusting mechanisms 2 without the circular groove 23 is mounted on the front fixing plate 1; as shown in FIG. 7 , the other adjustment mechanism 2 of the two adjustment mechanisms 2 is located between the two connecting plates 6 connected between the rear fixed plate 4 and the fixed plate 5; as shown in Figures 7 and 11, the square installation of the two adjustment mechanisms 2 The two connecting rods 27 are connected between the end faces of one side of the block 16 with the circular groove 23; as shown in Figures 7 and 8, the two connecting rods 27 pass through the two shaft holes 10 opened on the fixing plate 5; As shown in FIG. 7 , the second adjustment 12 in the adjustment mechanism 2 located between the two connecting plates 6 connected between the rear fixing plate 4 and the fixing plate 5 and one connecting plate on the upper side of the two connecting plates 6 The square chute 8 opened on the 6 is matched; the first adjustment 11 in the adjustment mechanism 2 between the two connecting plates 6 connected between the rear fixing plate 4 and the fixing plate 5 is located on the upper As shown in Figures 4, 9, and 11, the circular grooves 23 opened on the square mounting blocks 16 in the two adjustment mechanisms 2 are respectively nested in Installed on the two fixed cylinders 7 on both sides of the fixed plate 5 ;

As shown in FIGS. 7 , 9 and 10 , the upper side of the second adjustment 12 of the two adjustment mechanisms 2 has a first mark 22 ; The upper side of the square mounting block 16 has a second mark 28 corresponding to the corresponding first mark 22; Two marks 28.

The first spring 15 is a compression spring; the second spring 18 is a compression spring.

The elastic connection square sleeve 3 connected between the above-mentioned front fixing plate 1 and the rear fixing plate 4 and the connection between the front fixing plate 1 and the rear fixing plate 4 are all smooth transitions; its function is to prevent the support plate from being elastically connected during the swinging process of the bones. The connection between the square sleeve 3 and the front fixing plate 1 and the rear fixing plate 4 clamps the surrounding meat; at the same time, the elastic connection square sleeve 3 can adapt to the small deformation generated when the bone swings; the front fixing plate 1 and the rear fixing plate 4 are protected. structure in between.

The elastic deformation of the above-mentioned elastic connecting square sleeve 3 is 0.3mm; it is proved by experiments that 0.3mm can better adapt to the deformation caused by the swing of the bone, and prevent the large variable from affecting the surrounding muscles.

The taper of the conical end of the first adjustment 11 is 30 degrees; the taper of the conical end of the second adjustment 12 is 30 degrees.

The third spring 20 is a compression spring; the fourth spring 21 is a compression spring; the elasticity of the third spring 20 is greater than that of the fourth spring 21 .

The above-mentioned alternative solution for the installation between the slider 19 and the square installation groove 24 opened on the square installation block 16 through the guide block and the guide groove is to install through the bearing.

When the first mark 22 on the second adjustment 12 of the two adjustment mechanisms 2 is aligned with the corresponding second mark 28 during the adjustment process, after adjusting the two first adjustment 11 to reverse for 0.5 turns, the corresponding third adjustment circle The contact between the disc 17 and the corresponding semicircular snap ring 26 is zero pressure contact.

In summary:

The support plate designed by the present invention adjusts the compressive elastic force of the second springs 18 in the two adjustment mechanisms 2, so that the elastic modulus of the whole support plate is close to the elastic modulus of the bone, thereby reducing the use cost of the support plate.

In the present invention, the first adjustment 11 is installed on the square mounting block 16 through the cooperation between the external thread on it and the internal thread inside the circular hole 25 opened on the square mounting block 16; the sliding block 19 passes through the guide block and the guide groove. Fittedly installed in the square installation groove 24 opened on the square installation block 16; the fourth spring 21 and the third The spring 20; the second adjustment disc 12 is installed on the slider 19 through the cooperation of the external thread on it and the inner thread inside the circular hole 25 opened on the slider 19; the second adjustment disc 14 is installed on the square mounting block 16 The second adjusting disk 14 is matched with the conical end of the first adjusting disk 11; the third adjusting disk 17 is installed in the circular groove 23 opened in the square mounting groove 24; The third adjusting disc 17 is matched with the conical end of the second adjusting disc 12; the first spring 15 is installed between the second adjusting disc 14 and the third adjusting disc 17; The semicircular snap ring 26 in the circular groove 23 opened on the mounting block 16 is matched; the semicircular snap ring 26 is located on the side of the third adjustment disk 17 close to the second adjustment disk 14; the first adjustment disk 13 is installed on the Inside the circular groove 23 opened on the square mounting block 16; the first adjusting disc 13 and the second adjusting disc 14 are respectively located on both sides of the third adjusting disc 17; the first adjusting disc 13 and the third adjusting disc A second spring 18 is installed between the discs 17; the second adjustment 12 is adjusted to make the second adjustment 12 rotate; because the second adjustment 12 passes through the external thread on it and the inner thread inside the circular hole 25 opened on the slider 19 so that the rotation of the second adjustment 12 will cause the second adjustment 12 to move downward; the downward movement of the second adjustment 12 will squeeze the third adjustment disc 17, so that the third adjustment The disk 17 moves toward the side where the first adjustment disk 13 is installed; the movement of the third adjustment disk 17 toward the side where the first adjustment disk 13 is installed will squeeze the second spring 18; The compression elastic force of the second spring 18 between the three adjustment discs 17 and the first adjustment disc 13 is fixed; when the adjustment is completed, the first adjustment 11 is adjusted to make the first adjustment 11 rotate; The cooperation between the external thread and the internal thread inside the circular hole 25 opened on the square mounting block 16 is installed on the square mounting block 16; therefore, the rotation of the first adjustment 11 will cause the first adjustment 11 to move downward; the first adjustment 11 The downward movement will squeeze the second adjustment disk 14, so that the second adjustment disk 14 moves toward the side where the third adjustment disk 17 is installed; the second adjustment disk 14 moves toward the side where the third adjustment disk 17 is installed; The movement of one side of the disc 17 will squeeze the first spring 15; the third adjusting disc 17 is pushed to move by the first spring 15; when the third adjusting disc 17 moves, the third adjusting disc 17 loses its alignment. The corresponding second adjustment 12 is bound; at this time, under the action of the third spring 20 and the fourth spring 21, the slider 19 will move toward the fourth spring 2 installed One side of 1 moves; during the movement of the slider 19, when the first mark 22 on the second adjustment 12 is aligned with the corresponding second mark 28, adjust the first adjustment 11 to make the first adjustment 11 reversely rotate 0.5 circles At this time, the contact between the third adjustment disc 17 and the corresponding second adjustment 12 is zero pressure contact; by adjusting the compression elastic force of the two second springs 18 in the two adjustment mechanisms 2, the elastic modulus of the integral support plate is made The amount is close to the elastic modulus of the bone; so that the support plate can adapt to the small deformation of the bone when it swings with the bone; prevent the support plate from affecting the swing of the bone; when used for a long time; when the elasticity of the second spring 18 When the coefficient changes, the compressive elastic force of the second spring 18 between the third adjustment disc 17 and the first adjustment disc 13 will change; at this time, the first adjustment 11 is manually adjusted to rotate, so that the first adjustment 11 moves downward ; The first adjustment 11 will squeeze the second adjustment disc 14 when moving downward, so that the second adjustment disc 14 moves toward the side where the third adjustment disc 17 is installed; the second adjustment disc 14 moves toward the installation The movement of the side with the third adjustment disc 17 will squeeze the first spring 15; push the third adjustment disc 17 to move through the first spring 15; the movement of the third adjustment disc 17 will compress the second spring 18; increase The compressive elastic force of the second spring 18 between the third adjusting disc 17 and the first adjusting disc 13; thus again making the elastic modulus of the overall support plate close to the elastic modulus of the bone; so that the support plate swings with the bone , can adapt to the small deformation of the bone; prevent the support plate from affecting the swing of the bone; the function of the semi-circular snap ring 26 is to limit the third adjustment disc 17 to prevent it from slipping on the other side of the second adjustment 12 . The function of the design limit block 29 of the present invention is to prevent the second adjustment 12 from being pushed in the opposite direction by the third adjustment disk 17 in the process of pressing the third adjustment disk 17 .

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS: When people use the support plate designed by the present invention, before use, adjust the first adjustment 11 to make the first adjustment 11 rotate; because the first adjustment 11 is connected to the square mounting block 16 through the external thread on it. The fitting of the inner thread inside the circular hole 25 is installed on the square mounting block 16; so the rotation of the first adjustment 11 will cause the first adjustment 11 to move downward; the downward movement of the first adjustment 11 will squeeze the second adjustment Disk 14, so that the second adjustment disk 14 moves toward the side where the third adjustment disk 17 is installed; the second adjustment disk 14 moves toward the side where the third adjustment disk 17 is installed and squeezes The first spring 15; pushes the third adjustment disc 17 to move through the first spring 15; when the third adjustment disc 17 moves, the third adjustment disc 17 loses its restraint on the corresponding second adjustment 12; this Under the action of the third spring 20 and the fourth spring 21, the slider 19 will move toward the side where the fourth spring 21 is installed; during the movement of the slider 19, when the first When the mark 22 is aligned with the corresponding second mark 28, adjust the first adjustment 11 to make the first adjustment 11 reversely rotate 0.5 turns; when the adjustment is completed, the contact between the third adjustment disc 17 and the corresponding semicircular snap ring 26 Zero pressure contact; at this time, adjust the second adjustment 12 to make the second adjustment 12 rotate; because the second adjustment 12 is installed in Therefore, the second adjustment 12 will move downwards when the second adjustment 12 is rotated; the second adjustment 12 will move downward and squeeze the third adjustment disc 17, so that the third adjustment disc 17 will move toward move towards the side where the first adjustment disc 13 is installed; the third adjustment disc 17 moves towards the side where the first adjustment disc 13 is installed will squeeze the second spring 18; finally, the third adjustment disc 17 moves The compressive elastic force of the second spring 18 between 17 and the first adjustment disc 13 is fixed; by adjusting the compressive elastic force of the two second springs 18 in the two adjustment mechanisms 2, the elastic modulus of the integral support plate is close to that of the bone. Elastic modulus; enables the support plate to adapt to the small deformation of the bone when it swings with the bone; prevents the support plate from affecting the swing of the bone.

Claims (8)

1. An orthopedic support plate for a patient with leg disability, comprising: the device comprises a front fixing plate, an adjusting mechanism, an elastic connecting square sleeve, a rear fixing plate, a fixing plate, connecting plates, a fixing cylinder, a square chute, a circular adjusting hole, a shaft hole and a connecting rod, wherein two connecting plates are symmetrically arranged at one end of the rear fixing plate up and down; the upper side surface of one connecting plate positioned at the upper side of the two connecting plates is provided with a through square sliding chute and a circular adjusting hole; the circular adjusting hole is close to the rear fixing plate; two through shaft holes are symmetrically formed in the side surface of the fixing plate; the fixed plates are arranged on the two connecting plates and are far away from the rear fixed plate; two fixed cylinders are symmetrically arranged on two side surfaces of the fixed plate;

one end of the front fixing plate is provided with two adjusting mechanisms; the two adjusting mechanisms are connected through two connecting rods; one of the two adjusting mechanisms far away from the front fixing plate is positioned between the two connecting plates connected between the rear fixing plate and the fixing plate; the two connecting rods respectively penetrate through the two shaft holes on the fixed plate; the adjusting mechanism positioned between the two connecting plates is matched with a square sliding groove and a round adjusting hole which are formed in one of the two connecting plates and positioned on the upper side of the connecting plate; two fixed cylinders arranged on the fixed plate are respectively matched with the two adjusting mechanisms;

the front fixing plate and the rear fixing plate are connected through an elastic connecting square sleeve;

the adjusting mechanism comprises a first adjusting part, a second adjusting part, a first adjusting disc, a second adjusting disc, a first spring, a square mounting block, a third adjusting disc, a second spring, a sliding block, a third spring, a fourth spring, a circular groove, a square mounting groove, a circular hole, a semicircular snap ring and a limiting block, wherein the circular groove is formed in one end of the square mounting block; the round surface of the round groove is provided with a square mounting groove and a round hole which are communicated with the upper side surface of the square mounting block; the circular surface of the circular hole is provided with internal threads; a semicircular clamping ring is arranged on the round surface of the lower side of the square mounting groove in the round groove formed in the square mounting block; one end of the first adjusting is cylindrical, and the other end of the first adjusting is conical; the outer circular surface of the first adjusting cylindrical end is provided with an external thread; the first adjustment is arranged on the square mounting block through the matching of external threads on the first adjustment and internal threads on the inner side of a circular hole formed in the square mounting block; the sliding block is provided with a through round hole, and the round surface of the round hole is provided with an internal thread; the sliding block is arranged in a square mounting groove formed in the square mounting block through the matching of the guide block and the guide groove; a fourth spring and a third spring are arranged between the two sides of the sliding block and the two side surfaces of the square mounting groove formed in the square mounting block; the third spring is close to a circular hole formed in the square mounting block; the limiting block is arranged on one side surface of the square mounting groove formed in the square mounting block and matched with the sliding block; one end of the second adjusting is cylindrical, and the other end of the second adjusting is conical; the second regulation is that the external circular surface of one end of the cylinder is provided with external threads; the second adjustment is arranged on the sliding block through the matching of external threads on the second adjustment and internal threads on the inner side of a circular hole formed in the sliding block;

the second adjusting disc is arranged in a circular groove formed in the square mounting block; the second adjusting disc is matched with one end of the first adjusting upper cone; the second adjusting disc is positioned on one side of the first adjusting surface facing the second adjusting surface; the third adjusting disc is arranged in a circular groove formed in the square mounting groove; the third adjusting disc is matched with one end of the second adjusting upper cone; the third adjusting disc is positioned on one side of the second adjusting disc, which is back to the first adjusting disc; a first spring is arranged between the second adjusting disk and the third adjusting disk; the third adjusting disc is matched with a semicircular snap ring arranged in a circular groove formed in the square mounting block; the semicircular clamping ring is positioned on one side, close to the second adjusting disk, of the third adjusting disk; the first adjusting disc is arranged in a circular groove formed in the square mounting block; the first adjusting disk and the second adjusting disk are respectively positioned at two sides of the third adjusting disk; a second spring is arranged between the first adjusting disk and the third adjusting disk;

one side end face of the square mounting block in one of the two adjusting mechanisms, which is not provided with the circular groove, is mounted on the front fixing plate; the other adjusting mechanism of the two adjusting mechanisms is positioned between the two connecting plates connected between the rear fixing plate and the fixing plate; the end surfaces of one sides of the square mounting blocks in the two adjusting mechanisms, which are provided with the circular grooves, are connected through two connecting rods; the two connecting rods pass through two shaft holes formed in the fixing plate; the second adjustment of the adjusting mechanism between the two connecting plates connected between the rear fixing plate and the fixing plate is matched with a square sliding groove formed in one connecting plate on the upper side of the two connecting plates; the first adjustment of the adjusting mechanism between the two connecting plates connected between the rear fixing plate and the fixing plate is matched with a circular adjusting hole formed on one connecting plate on the upper side of the two connecting plates; circular grooves formed in the square mounting blocks in the two adjusting mechanisms are respectively nested on two fixed cylinders arranged on two sides of the fixed plate; two first adjusting discs in the two adjusting mechanisms are respectively in contact fit with two fixed cylinders arranged on two sides of the fixed plate;

the upper side surface of the second adjustment of the two adjustment mechanisms is provided with a first mark; the upper side surface of the square mounting block in one adjusting mechanism close to the front fixing plate in the two adjusting mechanisms is provided with a second mark corresponding to the corresponding first mark; the upper side of one of the two connection plates located on the upper side has a second mark corresponding to the corresponding first mark.

2. An orthopaedic support plate for patients with leg disabilities according to claim 1, wherein: the first spring is a compression spring; the second spring is a compression spring.

3. An orthopaedic support plate for patients with leg disabilities according to claim 1, wherein: the elastic connection square sleeve connected between the front fixing plate and the rear fixing plate is in smooth transition with the joint of the front fixing plate and the rear fixing plate.

4. An orthopaedic support plate for patients with leg disabilities according to claim 1, wherein: the elastic deformation of the elastic connecting square sleeve is 0.3 mm.

5. An orthopaedic support plate for patients with leg disabilities according to claim 1, wherein: the taper of one end of the first adjusting upper cone is 30 degrees; the taper of the second adjusting upper conical end is 30 degrees.

6. An orthopaedic support plate for patients with leg disabilities according to claim 1, wherein: the third spring is a compression spring; the fourth spring is a compression spring; the elasticity of the third spring is greater than the elasticity of the fourth spring.

7. An orthopaedic support plate for patients with leg disabilities according to claim 1, wherein: the alternative scheme of the matched installation of the slide block and the square installation groove formed in the square installation block through the guide block and the guide groove is that the slide block and the square installation groove are installed in a matched mode through a bearing.

8. An orthopaedic support plate for patients with leg disabilities according to claim 1, wherein: when the first marks on the second adjustment of the two adjusting mechanisms are aligned with the corresponding second marks in the adjusting process, the two first adjustments are adjusted to rotate reversely for 0.5 circle, and then the contact between the corresponding third adjusting disk and the corresponding semicircular clamping ring is zero-pressure contact.

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