Component orthosis ankle joint

Abstract

The utility model provides a component type orthosis ankle joint. The component type orthosis ankle joint comprises a connecting strip, a fixing block, an adjusting block, an orthosis piece, a positioning pin, a first adjusting component, a second adjusting component, a first adjusting screw, a second adjusting screw, a first spring component and a second spring component. The connecting strip is connected with the fixing block, the positioning pin is connected with the fixing block in an interference fit mode, the first spring assembly, the second spring assembly, the first adjusting screw and the second adjusting screw are installed in the two ends of the adjusting block, and the fixing block, the adjusting block and the correcting piece are connected. During dorsiflexion and plantar flexion movement of the patient, elastic force is generated through the compression spring, ankle joint stress of the patient is improved, and rehabilitation training is conducted. Different patients can change models according to self requirements and assemble the ankle joints by themselves, and the problems that in the prior art, orthosis ankle joints are complex in design and unified in model, and the rehabilitation effect on all the patients is not obvious are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and in particular relates to a component-type orthotic ankle joint. Background Art

[0002] The ankle joint is composed of the articular surfaces of the lower ends of the tibia and fibula and the talar pulley. It is an important load-bearing joint of the human body and a key joint for lower limb movement. Therefore, once a fracture occurs in the ankle joint, it will cause the person to be unable to walk and exercise normally, seriously affecting the person's normal life and work. In order to recover after a fracture injury to the ankle joint, an ankle brace is usually required for rehabilitation training, and the core component of the ankle brace is the orthotic ankle joint connected to the calf fixation and foot fixation.

[0003] However, the existing orthotic ankle joints are complex in design and have a single force magnitude, and cannot adjust the range of motion and force magnitude of dorsiflexion and plantar flexion according to the actual situation of each patient. Utility Model Content

[0004] The main purpose of the utility model is to provide a modular orthotic ankle joint, so as to at least solve the problem that the orthotic ankle joint device in the prior art is complex in design and has a single force magnitude, and cannot perform effective rehabilitation training according to the conditions of each patient.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a component-type orthosis ankle joint, comprising: an adjustment block, wherein the inner upper sides of both sides of the adjustment block are provided with 0.75mm fine-pitch threaded holes, the middle of the adjustment block is provided with two 0.75mm fine-pitch threaded holes along the vertical direction, and the lower sides of the adjustment block are hollowed out, and the adjustment block is made of aluminum alloy, which is characterized by light weight, high strength, good plastic processing performance and corrosion resistance; an orthotic piece, wherein the top of the orthotic piece is provided with a 0.75mm fine-pitch threaded hole, which is connected to the threaded hole in the lower middle part of the adjustment block by a screw Tighten the connection, the orthotic piece is made of titanium alloy, which is characterized by high strength, good rigidity, light weight, corrosion resistance, high temperature resistance and good low temperature performance; the first adjustment component, the first adjustment component is arranged in one side of the adjustment block, and the bottom of the first adjustment component abuts against one side of the top of the orthotic piece; the second adjustment component, the second adjustment component is arranged in the other side of the adjustment block, and the bottom of the second adjustment component abuts against the other side of the top of the orthotic piece; the first adjustment component and the second adjustment component are used to adjust the force of the orthotic piece, thereby adjusting the force of the patient during dorsiflexion and plantar flexion.

[0006] Furthermore, the fixed block and the connecting strip are made of titanium alloy, which is characterized by high strength, good rigidity, light weight, corrosion resistance, high temperature resistance and good low temperature performance. A groove equal to the width of the connecting strip is dug on the top of the fixed block, and two 0.75mm fine threaded holes distributed vertically are provided in the groove, and two 0.75mm fine threaded holes matching the positions in the fixed block groove are provided below the connecting strip. The connecting strip is embedded in the groove of the fixed block and the two sets of matching threaded holes are tightened with screws, and the connecting strip extends upward; two 0.75mm fine threaded holes are provided vertically below the fixed block groove, and the first 0.75mm fine threaded hole below the fixed block groove is tightened and connected with the 0.75mm fine threaded hole set in the middle upper part of the adjusting block with screws, the locating pin and the fixed block are connected by interference fit, and the second 0.75mm fine threaded hole below the fixed block groove is tightened and connected with the fine threaded holes on the orthotic piece and the adjusting block with screws.

[0007] Furthermore, the first adjustment component includes: a first spring component, the bottom of which abuts against one side of the top of the orthotic piece; and a first adjustment screw, which is disposed in the first spring component.

[0008] Furthermore, the first spring assembly includes: an adjusting shaft, the adjusting shaft abuts against one side of the top of the orthotic piece, and the adjusting shaft is provided with a hollow cavity axially from the top thereof; an elastic pad, the elastic pad is arranged at the bottom of the hollow cavity of the adjusting shaft; an adjusting sleeve, the adjusting sleeve is sleeved on the outer side of the lower part of the adjusting shaft; a first spring, the first spring is sleeved on the outer side of the adjusting shaft, and the bottom of the first spring abuts against the top of the adjusting sleeve; the rod body of the first adjusting screw is inserted into the hollow cavity of the adjusting shaft and abuts against the elastic pad, and the bottom side of the nut of the first adjusting screw abuts against the top of the first spring.

[0009] Further, the second adjustment assembly includes: a second spring assembly, the bottom of which abuts against the other side of the top of the orthotic piece; and a second adjustment screw, the bottom of which abuts against the top of the second spring assembly.

[0010] Furthermore, the second spring assembly includes: a fixed shaft, which abuts against the other side of the top of the orthotic piece; a flat washer, a groove matching the bottom of the fixed shaft is provided on the inner side of the flat washer, and the flat washer is sleeved on the lower part of the fixed shaft; a second spring, which is sleeved on the outer side of the fixed shaft, and the bottom of the second spring abuts against the top of the flat washer; a movable ring, which is provided above the second spring and abuts against the top of the second spring; the bottom of the second adjusting screw abuts against the top of the fixed shaft, and an open retaining ring and an O-ring are provided at the abutting point.

[0011] Furthermore, the bottom of the orthosis has two extended forks, and a round hole is provided at the tip of the long fork, which can be connected to the foot fixer.

[0012] The component-type orthosis ankle joint using the technical solution of the utility model comprises an adjustment block, an orthosis sheet, a first adjustment component, a second adjustment component, a fixed block, and a connecting strip; the connecting strip and the fixed block are fixed by screws, the positioning pin and the fixed block are connected by interference fit, the first spring component, the second spring component, the first adjustment screw, and the second adjustment screw are installed in the adjustment block, and the fixed block, the adjustment block, and the connecting strip are fixed by screws; the first adjustment component is composed of the first spring component and the first adjustment screw, the bottom of the first spring component is in contact with one side of the top of the orthosis sheet, and the first adjustment screw is arranged in the first spring component; the second adjustment screw The assembly consists of a second spring assembly and a second adjusting screw, the bottom of the second spring assembly abuts against the other side of the top of the orthotic piece, and the bottom of the second adjusting screw abuts against the top of the second spring assembly; the first spring assembly consists of an adjusting shaft, an elastic pad, an adjusting sleeve and a first spring, and the force on one side of the bottom of the orthotic piece is adjusted by spring compression; the second spring assembly consists of a fixed shaft, a flat pad, a movable ring and a second spring, and the force on the other side of the bottom of the orthotic piece is adjusted by spring compression; the problem that the orthotic ankle joint design in the prior art is complex and the force size is single, and the problem that it lacks specificity for the rehabilitation conditions faced by each patient is solved.

[0013] Beneficial effects:

[0014] 1. Patients can replace three adjustment blocks according to the amount of force they want. At the same time, patients can also replace two orthotic pieces according to the injury and assemble them by themselves, so that they can have a total of six installation styles. The amount of force can be adjusted according to their own situation, thereby better helping patients with rehabilitation training.

[0015] 2. The spring assembly can be used to increase the patient's range of motion during dorsiflexion and plantar flexion, thereby improving the rehabilitation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a schematic diagram of the external structure of an optional modular orthotic ankle joint according to an embodiment of the utility model;

[0018] Figure 2 It is a schematic diagram of the internal structure of an optional modular orthotic ankle joint according to an embodiment of the utility model;

[0019] Figure 3 It is a schematic structural diagram of a first spring assembly of an ankle joint of a modular orthosis that can be selected according to an embodiment of the utility model;

[0020] Figure 4It is a schematic diagram of the structure of a second spring component of an ankle joint of a modular orthosis that can be selected according to an embodiment of the utility model;

[0021] Figure 5 is a schematic diagram of the structure of the adjustment block in Example 1;

[0022] Figure 6 is a schematic diagram of the structure of the adjustment block in Example 2;

[0023] Figure 7 is a schematic diagram of the structure of the adjustment block in Example 3;

[0024] Figure 8 is a schematic structural diagram of the orthotic sheet in Example 4;

[0025] Fig. 9 Schematic diagram of the structure of the orthotic sheet in Example 5.

[0026] The above drawings include the following reference numerals:

[0027] 10. Connecting strip; 20. Fixed block; 30. Adjusting block; 40. Orthopedic piece; 50. Positioning pin; 60. First adjusting assembly; 61. First adjusting screw; 62. First spring assembly; 621. First spring; 622. Adjusting sleeve; 623. Elastic pad; 624. Adjusting shaft; 70. Second adjusting assembly; 71. Second adjusting screw; 72. Second spring assembly; 721. Movable ring; 722. Fixed shaft; 723. Second spring; 724. Flat pad. DETAILED DESCRIPTION

[0028] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0029] According to the modular orthotic ankle joint of the embodiment of the utility model, Figure 1 to Figure 2As shown, it includes: an adjustment block 30, wherein 0.75 mm fine-pitch threaded holes are provided on the inner upper sides of both sides of the adjustment block 30, two 0.75 mm fine-pitch threaded holes are provided in the middle of the adjustment block 30 along the vertical direction, and both sides of the adjustment block 30 are hollowed out below; an orthotic piece 40, wherein a 0.75 mm fine-pitch threaded hole is provided on the top of the orthotic piece 40, and is tightened and connected with the threaded hole in the middle lower part of the adjustment block 30 by screws; a first adjustment component 60, wherein the first adjustment component 60 is arranged in one side of the adjustment block 30, and the bottom of the first adjustment component 60 abuts against one side of the top of the orthotic piece 40; a second adjustment component 70, wherein the second adjustment component 70 is arranged in the other side of the adjustment block 30, and the bottom of the second adjustment component 70 abuts against the other side of the top of the orthotic piece 40; the first adjustment component 60 and the second adjustment component 70 are used to adjust the force of the orthotic piece 40, thereby adjusting the force of the patient during dorsiflexion and plantar flexion activities.

[0030] In specific implementation, patients can replace three types of adjustment blocks 30 according to the desired force size, and can also replace two types of orthosis pieces 40 according to the injury situation and assemble them by themselves, so that there are a total of six sets of installation styles, and the force size and range can be adjusted according to their own situation, thereby better helping patients to carry out rehabilitation training. The problem of complex ankle joint design and single force size of orthosis in the prior art is solved, and the rehabilitation situation faced by each patient is not targeted.

[0031] Furthermore, a groove equal to the width of the connecting strip 10 is dug above the fixed block 20, and two 0.75mm fine-pitch threaded holes distributed in the vertical direction are provided in the groove, and two 0.75mm fine-pitch threaded holes matching the positions in the groove of the fixed block 20 are provided below the connecting strip 10. The connecting strip 10 is embedded in the groove of the fixed block 20 and the two sets of matching threaded holes are tightened with screws, and the connecting strip 10 extends upward; two 0.75mm fine-pitch threaded holes are provided vertically below the groove of the fixed block 20, and the first 0.75mm fine-pitch threaded hole below the groove of the fixed block 20 is screwed and connected with the 0.75mm fine-pitch threaded hole set in the middle upper part of the adjusting block 30, the locating pin 50 and the fixed block 20 are connected by interference fit, and the second 0.75mm fine-pitch threaded hole below the groove of the fixed block 20 is screwed and connected with the fine-pitch threaded holes on the orthotic piece and the adjusting block 30.

[0032] Furthermore, the first adjustment component 60 includes: a first spring component 62 , the bottom of which abuts against one side of the top of the orthotic piece 40 ; and a first adjustment screw 61 , which is disposed in the first spring component 62 .

[0033] Furthermore, the first spring assembly 62 includes: an adjusting shaft 624, which abuts against one side of the top of the orthotic piece 40, and the adjusting shaft 624 has a hollow cavity axially opened from its top; an elastic pad 623, which is arranged at the bottom of the hollow cavity of the adjusting shaft 624; an adjusting sleeve 622, which is sleeved on the outer side of the lower part of the adjusting shaft 624; a first spring 621, which is sleeved on the outer side of the adjusting shaft 624, and the bottom of the first spring 621 abuts against the top of the adjusting sleeve 622; the rod body of the first adjusting screw 61 is inserted into the hollow cavity of the adjusting shaft 624 and abuts against the elastic pad 623, and the bottom side of the nut of the first adjusting screw 61 abuts against the top of the first spring 621.

[0034] Furthermore, the second adjustment assembly 70 includes: a second spring assembly 72 , the bottom of which abuts against the other side of the top of the orthotic piece 40 ; and a second adjustment screw 71 , the bottom of which abuts against the top of the second spring assembly 72 .

[0035] Furthermore, the second spring assembly 72 includes: a fixed shaft 722, which abuts against the other side of the top of the orthotic piece 40; a flat washer 724, a groove matching the bottom of the fixed shaft 722 is provided on the inner side of the flat washer 724, and the flat washer 724 is sleeved on the lower part of the fixed shaft 722; a second spring 723, which is sleeved on the outer side of the fixed shaft 722, and the bottom of the second spring 723 abuts against the top of the flat washer 724; a movable ring 721, which is provided above the second spring 723 and abuts against the top of the second spring 723; the bottom of the second adjusting screw 71 abuts against the top of the fixed shaft 722.

[0036] Furthermore, the bottom of the orthosis 40 has two extended forks, and circular holes are provided at the tips of the forks, which can be connected to the foot fixer.

[0037] Example 1

[0038] like Figure 5 The adjustment block 30 is a structure that does not extend on one side and extends upward on the other side. Patients can select the adjustment block 30 according to their own rehabilitation needs. Figure 5 The adjustment block 30 is provided, and the first adjustment component 60 is installed in the side of the adjustment block 30 that does not extend, and the second adjustment component 70 is installed in the side of the adjustment block 30 that extends upward, so as to carry out targeted rehabilitation training.

[0039] Example 2

[0040] like Figure 6 As shown, the adjustment block 30 does not extend on both sides, and the patient can select the adjustment block 30 according to his / her own rehabilitation needs. Figure 6 The adjusting block 30 is provided, and the first adjusting components 60 are installed in both sides of the adjusting block 30, so as to carry out targeted rehabilitation training.

[0041] Example 3

[0042] like Figure 7 As shown, both sides of the adjustment block 30 extend upward, and the patient can select the adjustment block 30 according to his / her own rehabilitation needs. Figure 7 The adjusting block 30 is provided, and the second adjusting components 70 are installed in both sides of the adjusting block 30, so as to carry out targeted rehabilitation training.

[0043] Example 4

[0044] like Figure 8 As shown, the orthosis 40 has two forks with equal extension lengths, and a round hole is provided at the tip of each fork, which can be connected to a foot fixator, so that rehabilitation training can be performed for both dorsiflexion and plantar flexion movements of the patient.

[0045] Example 5

[0046] like Fig. 9 As shown, the orthosis 40 has two forks with different extension lengths, and a round hole is provided at the tip of the long fork, which can be connected to the foot fixator to perform rehabilitation training for the patient's dorsiflexion or plantar flexion movement.

[0047] Patients choose according to their own situation. Figure 5 The adjustment block 30 shown and Figure 8 The orthosis 40 shown in the figure, the patient installs the first adjustment component into one side of the adjustment block 30, the second adjustment component into the other side of the adjustment block 30, and the connecting strip 10, the fixing block 20, the adjustment block 30, as shown in the figure Figure 8 The orthotic piece 40 shown is installed in sequence, and then the connecting strip 10 of the modular orthotic ankle joint is connected to the calf fixing piece, and the orthotic piece 40 is connected to the foot fixing piece, and the modular orthotic ankle joint is assembled.

[0048] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A modular orthotic ankle joint, characterized in that: include: Adjustment block (30); An orthotic sheet (40), the orthotic sheet (40) being connected to the bottom portion in the middle of the adjustment block (30); A first adjustment component (60), the first adjustment component (60) being arranged in one side of the adjustment block (30), the bottom of the first adjustment component (60) being in contact with one side of the top of the orthotic sheet (40); A second adjustment component (70), the second adjustment component (70) being arranged inside the other side of the adjustment block (30), the bottom of the second adjustment component (70) being in contact with the other side of the top of the orthotic sheet (40); Wherein, the first adjustment component (60) and the second adjustment component (70) are used to adjust the force applied to the orthotic sheet (40).

2. The modular orthotic ankle joint according to claim 1, characterized in that: A connecting strip (10) is fixedly connected to the top in the middle of the adjusting block (30) and extends upward.

3. The modular orthotic ankle joint according to claim 1, characterized in that: The first adjustment assembly (60) comprises: A first spring assembly (62), wherein the bottom of the first spring assembly (62) abuts against one side of the top of the orthotic sheet (40); A first adjusting screw (61), wherein the first adjusting screw (61) is arranged in the first spring assembly (62).

4. The modular orthotic ankle joint according to claim 3, characterized in that: The first spring assembly (62) includes: An adjusting shaft (624), the adjusting shaft (624) abutting against one side of the top of the orthotic sheet (40), the adjusting shaft (624) being provided with a hollow cavity along the axial direction from the top thereof; An elastic pad (623), wherein the elastic pad (623) is arranged at the bottom of the hollow cavity of the adjustment shaft (624); An adjustment sleeve (622), the adjustment sleeve (622) being sleeved on the outer side of the lower portion of the adjustment shaft (624); A first spring (621), wherein the first spring (621) is sleeved on the outer side of the adjusting shaft (624), and the bottom of the first spring (621) abuts against the top of the adjusting sleeve (622); The rod body of the first adjusting screw (61) is inserted into the hollow cavity of the adjusting shaft (624) and abuts against the elastic pad (623), and the bottom side of the nut of the first adjusting screw (61) abuts against the top of the first spring (621).

5. The modular orthotic ankle joint according to claim 1, characterized in that: The second adjustment assembly (70) comprises: a second spring assembly (72), wherein the bottom of the second spring assembly (72) abuts against the other side of the top of the orthotic sheet (40); A second adjusting screw (71), wherein the bottom of the second adjusting screw (71) abuts against the top of the second spring assembly (72).

6. The modular orthotic ankle joint according to claim 5, characterized in that: The second spring assembly (72) includes: A fixed shaft (722), the fixed shaft (722) abutting against the other side of the top of the orthotic sheet (40); A flat washer (724), wherein the flat washer (724) is sleeved on the lower portion of the fixed shaft (722); A second spring (723), wherein the second spring (723) is sleeved on the outside of the fixed shaft (722), and the bottom of the second spring (723) abuts against the top of the flat washer (724); A movable ring (721), the movable ring (721) being arranged above the second spring (723) and abutting against the top of the second spring (723); The bottom of the second adjusting screw (71) abuts against the top of the fixing shaft (722).

7. The modular orthotic ankle joint according to claim 1, characterized in that: The bottom of the orthotic piece (40) has two extending forks.

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