Animal femoral condyle flattening former

Abstract

The animal femoral condyle flattening former comprises a first rod, a second rod, a forming block and a connecting distance adjusting assembly, one end of the connecting distance adjusting assembly is connected with the far end of the first rod, and the other end of the connecting distance adjusting assembly is connected with the far end of the second rod; the connecting and distance adjusting assembly is used for connecting the first rod and the second rod and adjusting the distance between the first rod and the second rod; the first rod, the second rod and the connecting distance-adjusting assembly jointly define the inner space of the animal femoral condyle flattening former, the forming block is arranged on the second rod and arranged in the inner space, and the forming block is used for containing the animal femoral condyle, so that when the near end of the first rod and the near end of the second rod are held by hand, the first rod and the second rod are close to each other, and the animal femoral condyle is flattened. And the extrusion degree of the femoral condyle is controlled through handheld operation according to the lever principle, so that the flattening degree of the femoral condyle is controlled, and articular surface cartilage can be protected to the maximum extent.

Description

Technical Field

[0001] The present application relates to the technical field of medical devices, and in particular to an animal femoral condyle flattening former. Background Art

[0002] Currently, many animal studies are being conducted to simulate the development of human knee arthritis, but all of these animal models are based on sports injuries or drug-induced injuries. There are no animal models that truly mimic the pathogenesis of human degenerative knee arthritis. To mimic the human pathogenesis during modeling, the femoral condyles of the animal's hind limbs must be relatively flattened. Existing impactors with relatively flat weight-bearing surfaces of the femoral condyles make it difficult to achieve the required force and can easily damage the cartilage surface.

[0003] Therefore, it is necessary to provide a femoral condyle flattening former, which utilizes the lever principle to control the degree of compression of the femoral condyle through hand-held operation and thus controls the degree of flattening of the femoral condyle, thereby maximally protecting the articular surface cartilage. Summary of the Invention

[0004] The purpose of the present application is to provide a femoral condyle flattening former, which utilizes the lever principle to control the degree of compression of the femoral condyle through handheld operation and thus controls the degree of flattening of the femoral condyle, thereby being able to protect the articular surface cartilage to the greatest extent.

[0005] The present application provides an animal femoral condyle flattening shaper, comprising: a first rod, a second rod, a shaping block, and a connecting distance adjustment component.

[0006] One end of the connecting distance-adjusting assembly is connected to the distal end of the first rod, and the other end of the connecting distance-adjusting assembly is connected to the distal end of the second rod. The connecting distance-adjusting assembly is used to connect the first rod and the second rod and adjust the vertical distance between the first rod and the second rod; the first rod, the second rod, and the connecting distance-adjusting assembly together define the internal space of the animal femoral condyle flattening shaper.

[0007] The forming block is arranged on the second rod and in the internal space. The forming block is used to place the animal's femoral condyle, so that when the proximal ends of the first rod and the second rod are held by hand, the first rod and the second rod are brought close to each other to squeeze the animal's femoral condyle.

[0008] In another preferred example, the forming block is arranged near the distal end of the second rod.

[0009] In another preferred embodiment, the distance between the forming block and the distal end of the second rod is 1 cm-4 cm.

[0010] In another preferred example, the range of the vertical distance adjusted by the connection distance adjustment component is H, wherein 4cm≤H≤10cm.

[0011] In another preferred example, the connecting distance adjustment assembly includes a first adjusting component and a second adjusting component, the first adjusting component includes a first connecting portion and a first adjusting portion, the second adjusting component includes a second connecting portion and a second adjusting portion, the first connecting portion is used to connect to the first rod, and the second connecting portion is used to connect to the second rod.

[0012] In another preferred embodiment, the first connecting portion and / or the second connecting portion has a circular ring shape.

[0013] In another preferred example, the first adjusting component and / or the second adjusting component is an adjusting bolt or a swing bolt.

[0014] In another preferred example, the connecting distance adjustment assembly further includes a connecting rod, which is hollow and has an internal thread. The vertical distance between the first rod and the second rod is adjusted by screwing the first adjusting component and / or the second adjusting component into or out of the connecting rod.

[0015] In another preferred example, the connecting distance adjustment assembly further includes a connecting rod, the first adjusting portion is threadedly connected to the connecting rod, and the second adjusting portion is threadedly connected to the connecting rod.

[0016] In another preferred example, the connecting rod is hollow, the connecting rod has an internal thread, the first adjusting part and / or the second adjusting part has an external thread, and the vertical distance between the first rod and the second rod is adjusted by screwing the first adjusting part and / or the second adjusting part into or out of the connecting rod.

[0017] In another preferred example, the first adjusting portion and / or the second adjusting portion is a screw with external threads.

[0018] In another preferred embodiment, a silicone pad is provided on the first rod at a position corresponding to the forming block.

[0019] In another preferred embodiment, the forming block is detachably connected to the inner side of the second rod via a threaded connection.

[0020] In another preferred embodiment, the threaded connection is used to adjust the raising or lowering of the forming block.

[0021] In another preferred embodiment, the threaded connection is a screw or a threaded rod.

[0022] It should be understood that within the scope of the present invention, the above-mentioned technical features of the present invention and the technical features described in detail below (such as in the embodiments) can be combined with each other to form new or preferred technical solutions. Due to space limitations, they will not be listed here one by one. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. It should be understood that the drawings described below are merely some implementation examples of the present invention, and those skilled in the art can also derive other implementation examples based on these drawings without inventive effort.

[0024] Figure 1 is a front view of a femoral condyle flattening shaper according to a first embodiment of the present application;

[0025] Figure 2 It is a side view of the femoral condyle flattening device according to the first embodiment of the present application.

[0026] In the accompanying drawings, the following are marked

[0027] 1-First shot

[0028] 2-Second shot

[0029] 3-Connect the distance adjustment component

[0030] 31-First adjustment component

[0031] 311-First connecting part

[0032] 312-First Adjustment Unit

[0033] 32-Second adjustment component

[0034] 321-Second connecting part

[0035] 322-Second Adjustment Unit

[0036] 33-Connecting rod

[0037] 4-forming blocks DETAILED DESCRIPTION

[0038] Through extensive and in-depth research, the inventors have developed for the first time an animal femoral condyle flattening device, which uses the principle of leverage to control the degree of compression of the femoral condyle through handheld operation, thereby controlling the flatness of the femoral condyle; it can maximize the protection of the articular surface cartilage.

[0039] In the following description, many technical details are provided to help readers better understand this application. However, those skilled in the art will understand that even without these technical details and various changes and modifications based on the following embodiments, the technical solutions claimed in this application can be implemented.

[0040] the term

[0041] As used herein, the terms "an animal femoral condyle flattening shaper of the present application", "animal femoral condyle flattening shaper", "femoral condyle flattening shaper", and "femoral condyle shaper" are used interchangeably to refer to the animal femoral condyle flattening shaper described in the present invention.

[0042] As used herein, the term "proximal end" refers to the end close to the position where the first and second rods are gripped, and the term "distal end" refers to the end away from the position where the first and second rods are gripped, and is also the end close to the connection distance adjustment assembly 3.

[0043] femoral condyle

[0044] The femoral condyle is the enlarged bone structure at the lower end of the femur. Together with the upper end of the tibia, it forms the knee joint.

[0045] It should be noted that in this patent application, relational terms such as first and second, etc., are used solely to distinguish one entity or operation from another, and do not necessarily require or imply any actual relationship or order between these entities or operations. Furthermore, the terms "comprise," "include," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus comprising a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. Without further limitation, an element specified by the phrase "comprising a" does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising the element. In this patent application, reference to performing an action in accordance with an element means performing the action in accordance with at least that element, including two situations: performing the action in accordance with that element alone, and performing the action in accordance with that element and other elements. Expressions such as "plurality," "multiple times," and "many" include "two," "twice," "two kinds," and "more than two," "more than two times," and "more than two kinds."

[0046] In the present invention, all directional indications (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0047] Animal femoral condyle flattening device

[0048] The present application provides an animal femoral condyle flattening shaper, which comprises: a first rod 1, a second rod 2, a shaping block 4, and a connecting distance adjustment component 3.

[0049] One end of the connecting distance-adjusting component 3 is connected to the distal end of the first rod 1, and the other end of the connecting distance-adjusting component 3 is connected to the distal end of the second rod 2. The connecting distance-adjusting component 3 is used to connect the first rod 1 and the second rod 2 and adjust the distance between the first rod 1 and the second rod 2; the first rod 1, the second rod 2, and the connecting distance-adjusting component 3 together define the internal space of the animal femoral condyle flattening shaper.

[0050] The forming block 4 is arranged on the second rod 2 and in the internal space. The forming block 4 is used to place the animal's femoral condyle, so that when the proximal end of the first rod 1 and the proximal end of the second rod 2 are held by hand, the first rod 1 and the second rod 2 are brought close to each other to achieve squeezing of the animal's femoral condyle.

[0051] Preferably, the shaping block 4 is provided near the distal end of the second rod 2 .

[0052] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. It should be understood that these are only some examples that the present invention may take, but are not intended to limit the scope of the present invention.

[0053] The present application provides an animal femoral condyle flattening former, which utilizes the lever principle and includes two first rods 1 for extrusion, a second rod 2, a forming block 4, and a connecting distance adjustment component 3.

[0054] like Figures 1 to 2 As shown, the rod located at the top during use is defined as the first rod 1, and the rod located at the bottom is defined as the second rod 2. Optionally, the rod diameters of the first rod 1 and the first rod 2 are 0.8-1.5 cm, and the rod lengths are 20-25 cm. One end of the connecting distance adjustment component 3 is sleeved with the distal end of the first rod 1, and the other end of the connecting distance adjustment component 3 is sleeved with the distal end of the second rod 2. The first rod 1, the second rod 2 and the connecting distance adjustment component 3 are all rigid. After connection, the first rod 1, the second rod 2, and the connecting distance adjustment component 3 jointly define the internal space of the animal femoral condyle flattening molder; the molding block 4 is arranged on the second rod 2 and is arranged in the internal space, that is, the molding block 4 is connected to the inner side of the second rod 2, and the molding block 4 is used to place the animal femoral condyle, so that when the proximal end of the first rod 1 and the proximal end of the second rod 2 are held by hand, the first rod 1 and the second rod 2 are brought close to each other to achieve squeezing of the animal femoral condyle.

[0055] Preferably, the forming block 4 is disposed near the distal end of the second rod 2. The forming block 4 is disposed on the second rod 2 near the connection distance adjustment assembly 3. Preferably, the distance between the forming block 4 and the distal end of the second rod 2 is 1 cm to 4 cm. Thus, by using the principle of leverage to hold the proximal ends of the first rod 1 and the proximal ends of the second rod 2, the first rod 1 and the second rod 2 are brought closer together to squeeze the animal's femoral condyle, thereby controlling the flattening of the femoral condyle.

[0056] In one embodiment, the forming block 4 is threadedly connected to the inner side of the second rod 2. Optionally, the threaded connection uses a screw 41. Alternatively, the threaded connection uses a screw. Generally, the forming block 210 fits tightly against the second rod 2. The forming block 210 can be rotated to adjust the extrusion position.

[0057] In another embodiment, a long screw is used to connect the forming block 4 to the inner side of the second rod 2, i.e., located in the above-mentioned internal space. The position of the forming block 4 in the vertical direction can be adjusted, i.e., raised or lowered, by screwing the long screw in or out.

[0058] Preferably, a silicone pad (not shown in the figure) is provided at a position of the first rod 1 corresponding to the forming block 4 .

[0059] In one embodiment, the adjustment height range of the connecting distance adjustment component 3, that is, the range of the vertical distance between the first rod 1 and the second rod 2, is H, where 4 cm ≤ H ≤ 10 cm. By adjusting the vertical distance between the first rod 1 and the second rod 2, the distance between the first rod 1 and the second rod 2 is matched with the sheep femoral condyle.

[0060] Optionally, in one embodiment, the connection distance adjustment assembly 3 includes a first adjusting component 31, a second adjusting component 32 and a connecting rod 33. Preferably, the first adjusting component 31 and / or the second adjusting component 32 are adjusting bolts or movable bolts. The first adjusting component 31 adjusting bolt or movable bolt includes a first connecting portion 311 and a first adjusting portion 312. The second adjusting component 32 adjusting bolt or movable bolt includes a second connecting portion 321 and a second adjusting portion 322. The first connecting portion 311 is used to connect to the first rod 1, and the second connecting portion 321 is used to connect to the second rod 2; the first connecting portion 311 and / or the second connecting portion 321 has a circular ring shape; the connecting rod 33 is hollow and has an internal thread. The vertical distance between the first rod 1 and the second rod 2 is adjusted by screwing the first adjusting component 31 and / or the second adjusting component 32 in or out of the connecting rod 33, so that the distance between the first rod 1 and the second rod 2 matches the sheep femoral condyle.

[0061] Alternatively, in other embodiments, the connecting distance adjustment assembly 3 includes a first adjustment component 31 and a second adjustment component 32. The first adjustment component 31 includes a first connecting portion 311 and a first adjustment portion 312. The second adjustment component 32 includes a second connecting portion 321 and a second adjustment portion 322. The first connecting portion 311 is used to connect to the first rod 1, and the second connecting portion 321 is used to connect to the second rod 2. The first connecting portion 311 and / or the second connecting portion 321 have a circular ring shape. The first connecting part 311 is sleeved with the first rod 1, and the second connecting part 321 is sleeved with the second rod 2 through a circular ring; the connecting distance adjustment component 3 also includes a connecting rod 33, the connecting rod 33 is hollow, and the connecting rod 33 has an internal thread. The first adjusting part 312 and / or the second adjusting part 322 are screws with external threads. The first adjusting part 312 is threadedly connected to the connecting rod 33, and the second adjusting part 322 is threadedly connected to the connecting rod 33. The distance between the first rod 1 and the second rod 2 is adjusted by screwing the first adjusting part 312 and / or the second adjusting part 322 in or out of the connecting rod 33. By adjusting the vertical distance between the first 1 and the second rod 2, the distance between the first rod 1 and the second rod 2 is matched with the sheep femoral condyle.

[0062] During use, the weight-bearing surface of the sheep femoral condyle sample is placed on the forming block 4, and the force point to be squeezed is aligned with the silicone pad of the first rod 1. The first adjustment portion 312 and the second adjustment portion 321 of the connecting distance adjustment component 3 are adjusted to match the distance between the first rod 1 and the second rod 2 with the sheep femoral condyle sample. The first rod 1 and the second rod 2 are held at the end away from the connecting distance adjustment component 3 (i.e., the proximal end of the first rod 1 and the second rod 2). Since the forming block 4 is near the distal end of the second rod 2, the lever principle is used to squeeze the first rod 1 and the second rod 2 toward each other in the direction of the internal space where the sheep femoral condyle sample is placed. The first rod 1 and the second rod 2 rotate slightly, thereby squeezing and slowly deforming the sheep femoral condyle sample. When the sheep femoral condyle sample reaches the desired deformation, the first adjustment portion 312 and the second adjustment portion 321 of the connecting distance adjustment component 3 are adjusted to remove the sheep femoral condyle sample. Since the first rod, the second rod 2 and the connecting distance adjustment component 3 are all rigid, it is convenient to flatten the sheep femoral condyle sample when squeezing it and to protect the articular surface cartilage to the greatest extent.

[0063] The specification of this application records a large number of technical features, which are distributed in various technical solutions. If all possible combinations of technical features of this application (i.e., technical solutions) are to be listed, the specification will be too lengthy. In order to avoid this problem, the various technical features disclosed in the above-mentioned invention content of this application, the various technical features disclosed in the various embodiments and examples below, and the various technical features disclosed in the accompanying drawings can be freely combined with each other to form various new technical solutions (these technical solutions are all deemed to have been recorded in this specification), unless such a combination of technical features is technically infeasible. For example, in one example, feature A+B+C is disclosed, and in another example, feature A+B+D+E is disclosed. Features C and D are equivalent technical means that play the same role. Technically, only one of them can be used, and it is impossible to use them at the same time. Feature E can be technically combined with feature C. Then, the solution of A+B+C+D should not be considered as having been recorded because it is technically infeasible, while the solution of A+B+C+E should be considered as having been recorded.

[0064] All documents mentioned in this application are considered to be included in their entirety in the disclosure of this application so that they can be used as a basis for modification when necessary. In addition, it should be understood that after reading the above disclosure of this application, those skilled in the art may make various changes or modifications to this application, and these equivalent forms also fall within the scope of protection claimed in this application.

Claims

1. An animal femoral condyle flattening shaper, characterized in that: include: A first rod (1), a second rod (2), a forming block (4), and a connecting distance adjustment assembly (3), One end of the connecting distance adjusting component (3) is connected to the distal end of the first rod (1), and the other end of the connecting distance adjusting component (3) is connected to the distal end of the second rod (2). The connecting distance adjusting component (3) is used to connect the first rod (1) and the second rod (2) and adjust the vertical distance between the first rod (1) and the second rod (2); the first rod (1), the second rod (2), and the connecting distance adjusting component (3) jointly define the internal space of the animal femoral condyle flattening shaper. The forming block (4) is arranged on the second rod (2) and in the internal space. The forming block (4) is used to place the animal's femoral condyle, so that when the proximal end of the first rod (1) and the proximal end of the second rod (2) are held by hand, the first rod (1) and the second rod (2) are brought close to each other, thereby squeezing the animal's femoral condyle.

2. The animal femoral condyle flattening shaper according to claim 1, wherein: The forming block (4) is arranged near the distal end of the second rod (2).

3. The animal femoral condyle flattening shaper according to claim 2, wherein: The distance between the forming block (4) and the distal end of the second rod (2) is 1 cm to 4 cm.

4. The animal femoral condyle flattening shaper according to claim 3, wherein: The vertical distance is adjusted by the connection distance adjustment component (3) within a range of H, wherein 4 cm ≤ H ≤ 10 cm.

5. The animal femoral condyle flattening shaper according to claim 4, wherein: The connecting distance adjustment assembly (3) comprises a first adjustment component (31) and a second adjustment component (32); the first adjustment component (31) comprises a first connecting portion (311) and a first adjustment portion (312); the second adjustment component (32) comprises a second connecting portion (321) and a second adjustment portion (322); the first connecting portion (311) is used to connect to the first rod (1); and the second connecting portion (321) is used to connect to the second rod (2).

6. The animal femoral condyle flattening shaper according to claim 5, wherein: The first adjusting component (31) and / or the second adjusting component (32) is an adjusting bolt or a swing bolt.

7. The animal femoral condyle flattening shaper according to claim 6, wherein: The connecting distance adjustment assembly (3) further comprises a connecting rod (33), wherein the connecting rod (33) is hollow and has an internal thread, and the vertical distance between the first rod (1) and the second rod (2) is adjusted by screwing the first adjustment component (31) and / or the second adjustment component (32) into or out of the connecting rod (33).

8. The animal femoral condyle flattening shaper according to claim 5, wherein: The connecting distance adjustment assembly (3) further comprises a connecting rod (33), the first adjusting portion (312) is threadedly connected to the connecting rod (33), and the second adjusting portion (322) is threadedly connected to the connecting rod (33).

9. The animal femoral condyle flattening shaper according to claim 8, wherein: The connecting rod (33) is hollow and has an internal thread. The first adjusting portion (312) and / or the second adjusting portion (322) have an external thread. The vertical distance between the first rod (1) and the second rod (2) is adjusted by screwing the first adjusting portion (312) and / or the second adjusting portion (322) into or out of the connecting rod (33).

10. The animal femoral condyle flattening device according to any one of claims 1 to 9, characterized in that: A silicone pad is provided on the first rod (1) at a position corresponding to the forming block (4).

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