Articular cartilage repair stent

Abstract

The utility model provides an articular cartilage repairing support which comprises a first supporting piece, a second supporting piece, a plurality of first connecting blocks connected to the first supporting piece in a sliding mode and a plurality of second connecting blocks connected to the second supporting piece in a sliding mode, and the first connecting blocks are connected with the second connecting blocks in a rotating mode. The first supporting piece and the second supporting piece can slide on the first connecting block and the second connecting block through the operable fixing assembly, then the first supporting piece and the second supporting piece are slid to adapt to the length of the hand of a patient, in addition, the first connecting block and the second connecting block can rotate through the operation clamping assembly, the first supporting piece is rotated, and the hand of the patient can be supported. When the first supporting piece rotates to a proper radian, an operator can operate the clamping assembly to fix the first connecting block, so that the first supporting piece cannot rotate, the rotating radian between the first supporting piece and the second supporting piece is adjusted, and the hand of a patient is in a comfortable bending radian.

Description

Technical Field

[0001] This utility model relates to the technical field of articular cartilage, and in particular to an articular cartilage repair scaffold. Background Technology

[0002] Articular cartilage is a component of joints, and its main function is to reduce the coefficient of friction and buffer pressure. With the popularization of sports and the increasing trend of population aging, articular cartilage damage has become a major health problem affecting the quality of life of a wide range of people. When human cartilage is injured, it usually needs to be fixed with a support frame to allow it to slowly recover and heal.

[0003] In the existing technology, most support frames cannot be bent or rotated. When the articular cartilage of the patient's hand is damaged, the existing support frames can only keep the hand in one position and cannot adjust the hand position in an appropriate situation, which causes discomfort to the patient. In addition, the existing support frames cannot be adjusted in length to adapt to the patient's body shape, resulting in poor applicability. Utility Model Content

[0004] Based on this, the purpose of this utility model is to provide an articular cartilage repair scaffold that can be bent, rotated and adjusted in length to adapt to the patient's body shape under appropriate conditions.

[0005] This utility model provides the following technical solution: a joint cartilage repair bracket, including a first support member, a second support member, a plurality of first connecting blocks slidably connected on the first support member, a plurality of second connecting blocks slidably connected on the second support member, the first connecting blocks and the second connecting blocks being rotatably connected, the repair bracket further including a plurality of fixing components distributed on the first support member and the second support member, the fixing components being used to restrict the sliding of the first support member and the second support member, and a locking component being used to restrict the rotation of the first connecting block on the second connecting block, and a plurality of binding components being provided on both the first support member and the second support member;

[0006] The locking assembly includes a support disposed on the second connecting block, a sliding sleeve slidably connected to the support, a wedge block slidably connected to the sliding sleeve, an elastic element connected between the sliding sleeve and the wedge block, a plurality of recesses disposed on the first connecting block along its rotation axis, and a pushing unit for driving the sliding sleeve to move, wherein the wedge block engages with the recesses.

[0007] Furthermore, the pushing unit includes a threaded seat disposed on the second connecting block, a second bolt bolted to the threaded seat, and a third connecting block rotatably connected to the second bolt, the third connecting block being connected to the sliding sleeve.

[0008] Furthermore, the binding assembly includes a first mounting block and a second mounting block. The second mounting block is provided with a connecting rod, and the first mounting block is provided with a binding strap. The binding strap is provided with a first fitting portion and a second fitting portion. The binding strap passes around the connecting rod and fits the second fitting portion onto the first fitting portion.

[0009] Furthermore, the fixing component includes a support frame with a first bolt threadedly connected to the support frame.

[0010] Furthermore, both the first support member and the second support member are provided with a first through hole, and both the first connecting block and the second connecting block are provided with a plurality of recessed holes, and the first bolt engages with the recessed holes.

[0011] Furthermore, the first support member is symmetrically provided with two lifting straps in the middle, and the two lifting straps are located on the same side.

[0012] Furthermore, both the first support member and the second support member are provided with a plurality of third through holes.

[0013] The beneficial effects of this utility model are as follows: The operable fixing component allows the first and second supports to slide on the first and second connecting blocks, thus adapting to the length of the patient's hand. Furthermore, the locking component allows rotation between the first and second connecting blocks. When the first support rotates to a suitable arc, the operator can use the locking component to fix the first connecting block, preventing it from rotating. This adjusts the rotation arc between the first and second supports, allowing the patient's hand to bend comfortably. Additionally, by positioning the wedge-shaped surface of the wedge block within the recess, but not the flat surface, the operator can rotate the second support downwards. The wedge block and spring provide resistance, reducing the downward rotation speed of the second support and preventing excessive downward rotation that could cause secondary injury to the patient. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0015] Figure 2 This is a three-dimensional structural diagram of the binding component of this utility model.

[0016] Figure 3 This is a three-dimensional structural diagram of the fixing component of this utility model.

[0017] Figure 4 This is a three-dimensional structural diagram of the concave hole of this utility model.

[0018] Figure 5 This is a schematic diagram of the first three-dimensional structure of the card slot assembly of this utility model.

[0019] Figure 6 This is a schematic diagram of the second three-dimensional structure of the card slot assembly of this utility model.

[0020] Figure 7 This is a partial three-dimensional structural diagram of the card slot assembly of this utility model.

[0021] The labels in the attached diagram are as follows: 1-First support member, 2-Second support member, 3-First connecting block, 4-Second connecting block, 5-Binding assembly, 51-First mounting block, 52-Second mounting block, 53-Connecting rod, 54-Binding strap, 55-First fitting part, 56-Second fitting part, 6-Fixing assembly, 61-Support frame, 62-First bolt, 63-First through hole, 64-Recessed hole, 7-Positioning assembly, 71-Threaded seat, 72-Second bolt, 73-Third connecting block, 74-Second through hole, 741-Support, 75-Sliding sleeve, 76-Wedge block, 77-Notch, 78-Spring, 8-Sling, 9-Third through hole. Detailed Implementation

[0022] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. Several embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this utility model will be more thorough and complete.

[0023] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0025] A type of articular cartilage repair scaffold, such as Figure 1As shown, the support includes a first support member 1, a second support member 2, a plurality of first connecting blocks 3 slidably connected to the first support member 1, and a plurality of second connecting blocks 4 slidably connected to the second support member 2. The first connecting blocks 3 and the second connecting blocks 4 are rotatably connected. The repair bracket also includes a plurality of fixing components 6 distributed on the first support member 1 and the second support member 2. The fixing components 6 are used to restrict the sliding of the first support member 1 and the second support member 2, and a locking component 7 is used to restrict the rotation of the first connecting block 3 on the second connecting block 4. A plurality of binding components 5 are provided on both the first support member 1 and the second support member 2.

[0026] In this embodiment, the first support member 1 supports the forearm of the hand, and the second support member 2 supports the hindarm of the hand. The first connecting block 3 and the second connecting block 4 are rotatably connected, allowing the first support member 1 and the second support member 2 to rotate relative to each other. The first support member 1 and the second support member 2 can slide on the first connecting block 3 and the second connecting block 4, respectively, thereby adjusting the overall length of the repair stent to adapt to the patient's body shape. In this embodiment, two first connecting blocks 3 are slidably connected to the first support member 1, and the two first connecting blocks 3 are distributed on both sides of the first support member 1. Two second connecting blocks 4 are also slidably connected to the second support member 2, and the two second connecting blocks 4 are also distributed on both sides of the second support member 2. In other embodiments, the second connecting block 4 and the first connecting block 3 can be set as one. In this embodiment, two fixing components 6 are provided, and the two fixing components 6 are respectively set on the first support member 1 and the second support member 2. In other embodiments, four fixing components 6 can be provided, with two on each of the first support member 1 and the second support member 2, so that the four fixing components 6 correspond to the number of first connecting blocks 3 and the number of second connecting blocks 4. In this embodiment, the first support member 1 and the second support member 2 are respectively set with The device includes three binding components 5, which are used to bind the repair stent to the forearm and hindarm of the hand. In other embodiments, the number of binding components 5 can be adjusted accordingly. Specifically, when the repair stent is needed, the first support 1 and the second support 2 are first placed on the patient's forearm and hindarm, respectively. Then, the binding components 5 are operated to bind the repair stent together with the patient's forearm and hindarm. The length of the repair stent can also be adjusted according to the length of the patient's hand. Specifically, the operator can operate the fixing component 6 to fix the first support 1 and the second support 2 to the first binding component 6. The first support 1 and the second support 2 slide on the connecting block 3 and the second connecting block 4, and then slide the first support 1 and the second support 2 to adapt to the length of the patient's hand. The rotational arc between the first support 1 and the second support 2 can also be adjusted so that the patient's hand maintains a comfortable arc. Specifically, by operating the locking assembly 7, the first connecting block 3 and the second connecting block 4 can be rotated, and then the first support 1 is rotated. When the first support 1 is rotated to a suitable arc, the operator can operate the locking assembly 7 to fix the first connecting block 3 so that it cannot rotate, thereby adjusting the rotational arc between the first support 1 and the second support 2.

[0027] like Figures 5-7 As shown, the locking assembly 7 includes a support 741 disposed on the second connecting block 4, a sliding sleeve 75 slidably connected to the support 741, a wedge block 76 slidably connected to the sliding sleeve 75, an elastic member connecting the sliding sleeve 75 and the wedge block 76, a plurality of recesses 77 disposed on the first connecting block 3 along its rotation axis, and a pushing unit for driving the sliding sleeve 75 to move, wherein the wedge block 76 cooperates with the recesses 77.

[0028] Understandably, once the patient's hand cartilage has recovered sufficiently and they can perform appropriate hand movements, they can adjust the bending curvature of their hand for their own comfort. Specifically, the operator can operate the push unit, which moves the sliding sleeve 75 away from the first connecting block 3. The sliding sleeve 75 then moves the wedge block 76 away from the first connecting block 3. When the wedge-shaped surface of the wedge block 76 is within the recess 77, but the flat surface of the wedge block 76 is no longer within the recess 77, the operator can rotate the second support member 2 downwards, thus reducing the bending curvature of the patient's hand. The rotation of the second support member 2 causes the first connecting block 3 to rotate, which in turn causes the recess 77 to rotate. The rotation of the recess 77 compresses the wedge block 76, compressing the spring 78. Through the action of the wedge block 76 and the spring 78, a resistance effect is achieved, causing the second support member 2 to rotate downwards. The rotation speed is reduced because the second support 2 rotates downwards relatively quickly due to its own gravity. If the person is not supporting the second support 2, the rapid downward rotation speed of the second support 2 can easily cause secondary injury to the patient. Therefore, the wedge block 76 and the spring 78 are used to reduce the downward rotation speed of the second support 2. When it is necessary for the second support 2 to rotate upwards, that is, to increase the bending degree of the patient's hand, the operator continues to operate the push unit, so that the sliding sleeve 75 drives the wedge block 76 out of the recess 77. Then the operator supports the second support 2 and slowly rotates it upwards to adjust the curvature. After the curvature is adjusted, the operator can operate the push unit, so that the sliding sleeve 75 drives the wedge block 76 to rotate towards the recess 77, so that the wedge-shaped surface and the flat surface of the wedge block 76 are completely placed into the recess 77. The second support 2 can no longer rotate, allowing the patient to maintain the adjusted curvature for rehabilitation.

[0029] The pushing unit includes a threaded seat 71 provided on the second connecting block 4, a second bolt 72 bolted to the threaded seat 71, and a third connecting block 73 rotatably connected to the second bolt 72. The third connecting block 73 passes through the second through hole 74 and is connected to the sliding sleeve 75.

[0030] It is understandable that when the operator needs to move the sliding sleeve 75, he can rotate the second bolt 72, which will drive the third connecting block 73 to move, and the movement of the third connecting block 73 will drive the sliding sleeve 75 to move.

[0031] like Figure 2As shown, the binding assembly 5 includes a first mounting block 51 and a second mounting block 52. A connecting rod 53 is provided on the second mounting block 52, and a binding strap 54 is provided on the first mounting block 51. A first fitting part 55 and a second fitting part 56 are provided on the binding strap 54. The binding strap 54 passes around the connecting rod 53 and attaches the second fitting part 56 to the first fitting part 55.

[0032] Wherein, if the binding assembly 5 is on the first support member 1, the first mounting block 51 and the second mounting block 52 of the binding assembly 5 are fixedly connected to the first support member 1; if the binding assembly 5 is on the second support member 2, the first mounting block 51 and the second mounting block 52 of the binding assembly 5 are fixedly connected to the second support member 2. It can be understood that when the operator needs to fix the repair bracket on the patient's hand, the operator can wrap the binding strap 54 around the connecting rod 53, then tighten the binding strap 54, and then attach the second fitting part 56 to the first fitting part 55. The second fitting part 56 and the first fitting part 55 are the male and female sides of the Velcro.

[0033] like Figure 3 and Figure 4 As shown, the fixing component 6 includes a support frame 61 and a first bolt 62 threadedly connected to the support frame 61.

[0034] The fixing component 6 is mounted on the first support member 1, and its support frame 61 is fixedly connected to the first support member 1. The fixing component 6 is also mounted on the second support member 2, and its support frame 61 is fixedly connected to the second support member 2. It can be understood that the operator can rotate the first bolt 62 so that it abuts against the first connecting block 3 or the second connecting block 4, thereby preventing the first support member 1 or the second support member 2 from sliding on the first connecting block 3 or the second connecting block 4. When it is necessary to slide the first support member 1 and the second support member 2 to adjust the overall length of the repair bracket, the operator can rotate the first bolt 62 so that it does not contact the first connecting block 3 or the second connecting block 4, thus allowing the first support member 1 or the second support member 2 to slide and adjust the overall length of the repair bracket.

[0035] Both the first support member 1 and the second support member 2 are provided with a first through hole 63, and both the first connecting block 3 and the second connecting block 4 are provided with a plurality of recessed holes 64. The first bolt 62 is engaged with the recessed holes 64.

[0036] It is understandable that the operator can rotate the first bolt 62 into the recessed hole 64, and the first support 1 or the second support 2 will not be able to slide on the first connecting block 3 or the second connecting block 4. The recessed hole 64 can improve stability and effectively prevent the first support 1 or the second support 2 from sliding. The first through hole 63 allows the operator to rotate the first bolt 62 into the recessed hole 64 more easily. The first through hole 63 makes it easy for people to see whether the recessed hole 64 is aligned with the first bolt 62.

[0037] like Figure 1 As shown, two slings 8 are symmetrically arranged in the middle of the first support member 1, and the two slings 8 are arranged on the same side.

[0038] It is understandable that by setting up two slings 8, the two slings 8 are knotted at the end and then hung around the patient's neck, so that the patient's neck can support the patient's hands and the repair bracket.

[0039] like Figure 1 As shown, both the first support member 1 and the second support member 2 have several third through holes 9.

[0040] It is understandable that the third through hole 9 facilitates heat dissipation and ventilation for the patient's hands, increasing the patient's comfort.

[0041] In summary, the operable fixing component 6 allows the first support 1 and the second support 2 to slide on the first connecting block 3 and the second connecting block 4, thus adapting to the length of the patient's hand. Furthermore, the locking component 7 allows rotation between the first connecting block 3 and the second connecting block 4. When the first support 1 is rotated to a suitable arc, the operator can use the locking component 7 to fix the first connecting block 3, preventing it from rotating. This adjusts the rotation arc between the first support 1 and the second support 2, allowing the patient's hand to bend comfortably. Additionally, by positioning the wedge-shaped surface of the wedge block 76 within the recess 77, but not the flat portion of the wedge block 76, the operator can rotate the second support 2 downwards. The wedge block 76 and the spring 78 provide resistance, reducing the downward rotation speed of the second support 2 and preventing excessive downward rotation that could cause secondary injury to the patient.

[0042] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0043] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A joint cartilage repair scaffold, characterized in that, The support includes a first support member, a second support member, a plurality of first connecting blocks slidably connected to the first support member, and a plurality of second connecting blocks slidably connected to the second support member. The first connecting blocks and the second connecting blocks are rotatably connected. The repair bracket also includes a plurality of fixing components distributed on the first support member and the second support member. The fixing components are used to restrict the sliding of the first support member and the second support member, and a locking component is used to restrict the rotation of the first connecting block on the second connecting block. A plurality of binding components are provided on both the first support member and the second support member. The locking assembly includes a support disposed on the second connecting block, a sliding sleeve slidably connected to the support, a wedge block slidably connected to the sliding sleeve, an elastic element connected between the sliding sleeve and the wedge block, a plurality of recesses disposed on the first connecting block along its rotation axis, and a pushing unit for driving the sliding sleeve to move, wherein the wedge block engages with the recesses.

2. The repair stent according to claim 1, characterized in that, The pushing unit includes a threaded seat disposed on the second connecting block, a second bolt bolted to the threaded seat, a third connecting block rotatably connected to the second bolt, and the third connecting block being connected to the sliding sleeve.

3. The repair stent according to claim 1, characterized in that, The binding assembly includes a first mounting block and a second mounting block. A connecting rod is provided on the second mounting block, and a binding strap is provided on the first mounting block. The binding strap is provided with a first fitting part and a second fitting part. The binding strap passes around the connecting rod and fits the second fitting part onto the first fitting part.

4. The repair stent according to claim 1, characterized in that, The fixing component includes a support frame and a first bolt threadedly connected to the support frame.

5. The repair stent according to claim 4, characterized in that, Both the first support member and the second support member have a first through hole, and both the first connecting block and the second connecting block have a plurality of recessed holes, and the first bolt engages with the recessed holes.

6. The repair stent according to claim 1, characterized in that, The first support member has two symmetrically arranged lifting straps in the middle, and the two lifting straps are located on the same side.

7. The repair stent according to claim 1, characterized in that, Both the first support member and the second support member have several third through holes.

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