A tapping assist structure for bone grafting on talus and a tapping assembly comprising the same

Abstract

The utility model relates to a medical technology field of orthopedics department discloses a knock auxiliary structure for bone grafting on talus and knock assembly including it. A knock auxiliary structure for bone grafting on talus, include: knock receiving part, knock receiving part is used for contacting with knock piece when bone grafting, knock bone part, knock bone part is used for contacting with the transplant bone body when bone grafting, connecting part, the both ends of connecting part are connected knock receiving part and knock bone part respectively, and the avoiding space for avoiding shin bone is formed on the connecting part. Advantageous effect: it is favorable to obtain better knock angle, makes the action direction of knock force and the depth direction of talus pit be approximately same even be completely same when knocking, thereby transplant bone body is efficiently and accurately transplanted to the pit place of talus, and it is favorable to improve the operation efficiency, speeds up patient recovery.

Description

Technical Field

[0001] This utility model relates to the field of orthopedic medical technology, and in particular to a percussion aid structure for bone grafting on the talus and a percussion component including the same. Background Technology

[0002] When the talus suffers a fracture or other injury, bone grafting may be necessary in severe cases. If the injury to the talus is located close to the tibia, an osteotomy is required to remove the medial malleolar structures on the tibia to better expose the talus.

[0003] Although an osteotomy was performed, the distance between the talus and tibia is very limited, which makes it difficult for certain injured areas, such as... Figure 1 At point A in the diagram, during bone grafting, medical personnel need to use a hand tool to tap the bone to be transplanted obliquely into the talus. Obviously, this brings great difficulty to the medical personnel, and the bone is prone to being transplanted in the wrong place, which makes the patient's recovery slow. Utility Model Content

[0004] The main purpose of this invention is to propose a percussion-assisted structure for bone grafting on the talus, aiming to solve the technical problem in the prior art that it is difficult to accurately transplant the bone graft onto the talus during bone grafting.

[0005] To achieve the above objectives, this utility model proposes a percussion aid structure for bone grafting on the talus, comprising: a percussion receiving part for contacting a percussion element during bone grafting; a percussion part for contacting the transplanted bone during bone grafting; and a connecting part, the two ends of which are respectively connected to the percussion receiving part and the percussion part. A clearance space is formed on the connecting part to avoid the tibia. During bone grafting, the tibia is at least partially accommodated within the clearance space. One end of the connecting part with the percussion receiving part is located on the side of the tibia away from the talus, and the other end of the connecting part with the percussion part extends around the tibia and into the space between the tibia and the talus.

[0006] The beneficial effects of this utility model are as follows: In the tapping auxiliary structure of this utility model, the tapping receiving part and the tapping bone part are connected together by a connecting part, and an avoidance space is formed on the connecting part, so that the connecting part can bypass the tibia and place the tapping receiving part and the tapping bone part on both sides of the tibia, which is conducive to obtaining a better tapping angle, so that the direction of the tapping force is approximately the same as or even exactly the same as the depth direction of the talus pit, thereby efficiently and accurately transplanting the transplanted bone to the talus pit, which is conducive to improving surgical efficiency and accelerating patient recovery.

[0007] Preferably, the connecting part includes multiple connecting rods connected in sequence, with adjacent connecting rods perpendicular to each other, and the multiple connecting rods enclosing a clearance space.

[0008] Preferably, the connecting part includes a first connecting rod, a second connecting rod, and a third connecting rod connected in sequence. The striking receiving part is located at one end of the first connecting rod, the bone striking part is located at one end of the second connecting rod, and the second connecting rod is provided with a gripping part to facilitate medical staff to hold and operate the striking auxiliary structure.

[0009] Preferably, the gripping part includes a plurality of gripping grooves arranged in a continuous manner. The gripping grooves are located on the side of the second connecting rod facing the clearance space, which is more conducive to stabilizing the position when tapping, thereby ensuring the quality of the operation. At the same time, it also makes it easier for fish care personnel to quickly find a suitable gripping position, which facilitates the operation.

[0010] Preferably, an arc-shaped connecting rod is provided between the second connecting rod and the third connecting rod, which can reduce the space occupied by the striking auxiliary structure and facilitate the operation by medical staff.

[0011] Preferably, the bone-tapping part includes a mounting part and a bone-tapping component. The mounting part is fixedly mounted on the connecting part, and the bone-tapping component is detachably mounted on the mounting part, which facilitates the maintenance of the bone-tapping auxiliary structure.

[0012] Preferably, the mounting component has mounting screw holes, the hammer bone is cylindrical, one end of the hammer bone has an external thread that matches the mounting screw holes, and the hammer bone is detachably connected to the mounting component through the external thread and the mounting screw holes.

[0013] Preferably, the end of the bone-tapping component is provided with a cylindrical mounting boss, and the external thread is provided on the outer side of the mounting boss, which helps to expand the application range of the bone-tapping auxiliary structure.

[0014] Preferably, the striking bearing part includes a mounting post and a support plate, with the support plate coaxially arranged with the mounting post. The outer diameter 'a' of the support plate is larger than the outer diameter 'b' of the mounting post, and the axis of the striking bearing part is parallel or collinear with the axis of the bone-tapping part. This increases the striking area and range, making it more convenient for medical personnel to perform the tapping.

[0015] This utility model also discloses a striking component, including the above-mentioned striking auxiliary structure and striking element. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of bone grafting at point A of the talus using a percussion tool in the prior art.

[0018] Figure 2 This is a schematic diagram of the striking auxiliary structure in an embodiment of the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of the mounting component and the bone-knocking component in the embodiments of this utility model;

[0020] Figure 4 This is a schematic diagram of the striking aid structure with a gripping groove in an embodiment of the present utility model;

[0021] Figure 5 This is a schematic diagram of bone grafting at point A on the talus using a tapping component in an embodiment of this utility model.

[0022] In the attached diagram: 1-Impact bearing part, 11-Mounting column, 12-Support plate, 2-Impacting part, 21-Mounting screw hole, 22-Impacting component, 221-Mounting boss, 3-Connecting part, 31-First connecting rod, 32-Second connecting rod, 321-Grip part, 3211-Grip groove, 33-Third connecting rod, 34-Arc-shaped connecting rod, 35-Allowing space, 36-Connecting rod, 10-Tibia, 20-Talus, 201-Pit, 30-Transplanted bone, 40-Impacting component.

[0023] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] It should be noted that if the embodiments of this utility model involve directional indicators, such as up, down, left, right, front, back, etc., the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0026] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0027] like Figures 1 to 5 As shown, a percussion aid structure for bone grafting on the talus 20 includes: a percussion receiving part 1, which is used to contact the percussion member 40 during bone grafting; a percussion part 2, which is used to contact the transplanted bone body 30 during bone grafting; and a connecting part 3, the two ends of which are respectively connected to the percussion receiving part 1 and the percussion part 2. The connecting part 3 has a clearance space 35 for avoiding the tibia 10. During bone grafting, the tibia 10 is at least partially accommodated in the clearance space 35. The end of the connecting part 3 with the percussion receiving part 1 is located on the side of the tibia 10 away from the talus 20, and the end of the connecting part 3 with the percussion part 2 extends around the tibia 10 and extends between the tibia 10 and the talus 20.

[0028] In the tapping auxiliary structure of this embodiment, the tapping receiving part 1 and the tapping bone part 2 are connected together by the connecting part 3, and an avoidance space 35 is formed on the connecting part 3, so that the connecting part 3 can bypass the tibia 10 and place the tapping receiving part 1 and the tapping bone part 2 on both sides of the tibia 10 respectively. This is conducive to obtaining a better tapping angle, so that the direction of the tapping force is approximately the same as or even exactly the same as the depth direction of the pit 201 of the talus 20. This allows the transplanted bone 30 to be transplanted efficiently and accurately to the pit 201 of the talus 20, which is beneficial to improving surgical efficiency and accelerating patient recovery.

[0029] In some specific embodiments, reference is made to Figure 2 The connecting part 3 includes multiple connecting rods 36 connected in sequence. The adjacent connecting rods 36 are perpendicular to each other, and the multiple connecting rods 36 enclose a clearance space 35.

[0030] In another embodiment, the connecting portion 3 may be bent and extended at least partially to form a clearance space 35.

[0031] In some specific embodiments, reference is made to Figure 2 and Figure 4The connecting part 3 includes a first connecting rod 31, a second connecting rod 32 and a third connecting rod 33 connected in sequence. The striking receiving part 1 is provided at one end of the first connecting rod 31, the bone striking part 2 is provided at one end of the second connecting rod 32, and the second connecting rod 32 is provided with a gripping part 321.

[0032] Specifically, the first connecting rod 31 and the third connecting rod 33 are respectively connected to both ends of the second connecting rod 32 and extend to the same side of the second connecting rod 32, thereby forming a clearance space 35. In addition, the fact that both the first connecting rod 31 and the third connecting rod 33 extend to the same side of the second connecting rod 32 is beneficial for better transmitting the force received by the striking receiving part 1 to the bone striking part 2.

[0033] The grip section is placed on the second connecting rod 32, that is, in the middle position of the connecting part 3, so that medical staff can hold and operate the tapping auxiliary structure.

[0034] In some specific embodiments, reference is made to Figure 4 The gripping part 321 includes a plurality of gripping grooves 3211 arranged in a continuous manner, and the gripping grooves 3211 are located on the side of the second connecting rod 32 facing the clearance space 35.

[0035] Multiple gripping grooves 3211 arranged in a continuous pattern correspond to the fingers of medical staff when gripping, enabling them to hold the tapping auxiliary structure stably. This makes it easier to maintain a stable position during tapping, thus ensuring the quality of the surgery. It also makes it easier for fish care personnel to quickly find a suitable gripping position for surgical operations.

[0036] Furthermore, the number of gripping slots 3211 is four.

[0037] In some specific embodiments, reference is made to Figure 4 An arc-shaped connecting rod 34 is also provided between the second connecting rod 32 and the third connecting rod 33.

[0038] The second connecting rod 32 and the third connecting rod 33 are connected by an arc-shaped connecting rod 34, making the junction of the second connecting rod 32 and the third connecting rod 33 relatively smooth. This not only avoids the tibia 10, but also reduces the space occupied by the striking auxiliary structure, making it easier for medical staff to operate.

[0039] In some specific embodiments, reference is made to Figures 2 to 4 The bone-tapping part 2 includes a mounting part 21 and a bone-tapping part 22. The mounting part 21 is fixedly mounted on the connecting part 3, and the bone-tapping part 22 is detachably mounted on the mounting part 21.

[0040] The detachable connection of the hammering component 22 makes it easy to replace when it is worn or damaged, facilitates the maintenance of the hammering auxiliary structure, and extends its service life.

[0041] In some specific embodiments, reference is made to Figure 3 The mounting component 21 is provided with mounting screw holes 211, and the hammer bone component 22 is cylindrical. One end of the hammer bone component 22 is provided with an external thread that matches the mounting screw hole 211. The hammer bone component 22 is detachably connected to the mounting component 21 through the external thread and the mounting screw hole 211.

[0042] Specifically, the bone-tapping component 22 is installed on the connecting part 3 through a threaded structure. Using the threaded structure, the connection between the bone-tapping component 22 and the mounting part 21 is relatively stable in the axial direction of the mounting screw hole 211, making it less likely for the bone-tapping component 22 to fall off during bone grafting.

[0043] In some specific embodiments, reference is made to Figure 3 The diameter c of the bone-hammering component 22 is 5mm, 10mm or 15mm.

[0044] Based on experience in bone grafting on the talus 20, bone-hammering pieces 22 with diameters of 5mm, 10mm and 15mm are generally the most commonly used. Therefore, in this embodiment, bone-hammering pieces 22 of the above three sizes are provided.

[0045] In some specific embodiments, reference is made to Figure 3 The end of the hammering piece 22 is provided with a cylindrical mounting boss 221, and the external thread is provided on the outer side of the mounting boss 221.

[0046] The hammering component 22 is threadedly connected to the mounting component 21 via a mounting boss 221. The diameter c of the hammering component 22 mentioned above refers to the diameter of the main body of the hammering component 22. Regardless of the size of the diameter c of the hammering component 22, the diameter and length of the mounting boss 221 are consistent, allowing hammering components 22 of different sizes to be installed on the mounting component 21. This expands the applicability of the hammering auxiliary structure and enhances its practicality.

[0047] In some specific embodiments, reference is made to Figure 2 and Figure 4 The striking bearing part 1 includes a mounting post 11 and a support plate 12. The support plate 12 is coaxially arranged with the mounting post 11. The outer diameter a of the support plate 12 is larger than the outer diameter b of the mounting post 11. The axis of the striking bearing part 1 is parallel or collinear with the axis of the striking bone part 2.

[0048] The outer diameter a of the support plate 12 is larger than the outer diameter b of the mounting column 11, which increases the area and range that can be struck, making it easier for medical staff to strike and improving the strike error tolerance and surgical success rate.

[0049] Furthermore, the support plate 12 is detachably connected to the mounting column 11, making it convenient to replace the support plate 12.

[0050] refer to Figure 5Due to the relative positions of the tibia 10 and talus 20, the striking aid structure in this embodiment, with the axis of the striking receiving part 1 parallel to the axis of the striking part 2, is more in line with actual conditions. However, in some extreme cases, or perhaps in other surgical applications, a collinear arrangement of the axis of the striking receiving part 1 and the axis of the striking part 2 may be more practical. The choice of which striking aid structure to adopt depends on the specific circumstances of the surgery.

[0051] refer to Figure 4 In this diagram, d represents the axis of the striking receiving part 1, and e represents the axis of the bone-tapping part 2. Axis d and axis e are parallel or collinear. During striking, the direction of the force exerted by the striking element 40 on the striking receiving part 1 is approximately the same as the direction of the axis of the striking receiving part 1. This force is transmitted to the bone-tapping part 2 through the connecting part 3. The bone-tapping part 2 then uses the same direction of force to push the transplanted bone body 30 deeper into the depression 201 of the talus 20 until the transplanted bone body 30 is in place. Using the striking auxiliary structure of this embodiment for bone grafting can move the transplanted bone body 30 as far as possible along the depth direction of the depression 201, which helps to reduce additional bone damage to the patient and improve the quality of the surgery.

[0052] This embodiment also discloses a tapping component, as shown in the reference. Figure 5 This includes the aforementioned striking auxiliary structure and striking component 40.

[0053] Specifically, the striking element 40 includes a striking hammer.

[0054] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A percussion aid structure for bone grafting on the talus, characterized in that: include: The striking receiving part (1) is used to contact the striking element (40) during bone grafting; The bone-tapping part (2) is used to contact the transplanted bone body (30) during bone grafting; The connecting part (3) is connected to the striking receiving part (1) and the bone striking part (2) at both ends respectively. The connecting part (3) has a clearance space (35) for avoiding the tibia (10). During bone grafting, the tibia (10) is at least partially accommodated in the clearance space (35). The end of the connecting part (3) with the striking receiving part (1) is located on the side of the tibia (10) away from the talus (20). The end of the connecting part (3) with the bone striking part (2) extends around the tibia (10) and extends between the tibia (10) and the talus (20).

2. The percussion aid structure for bone grafting on the talus according to claim 1, characterized in that: The connecting part (3) includes a plurality of connecting rods (36) connected in sequence, with adjacent connecting rods (36) perpendicular to each other, and the plurality of connecting rods (36) enclosing to form the clearance space (35).

3. The percussion aid structure for bone grafting on the talus according to claim 2, characterized in that: The connecting part (3) includes a first connecting rod (31), a second connecting rod (32) and a third connecting rod (33) connected in sequence. The striking receiving part (1) is provided at one end of the first connecting rod (31), the bone striking part (2) is provided at one end of the second connecting rod (32), and the second connecting rod (32) is provided with a gripping part (321).

4. The percussion aid structure for bone grafting on the talus according to claim 3, characterized in that: The gripping part (321) includes a plurality of gripping grooves (3211) arranged in a continuous manner, and the gripping grooves (3211) are provided on the side of the second connecting rod (32) facing the clearance space (35).

5. The percussion aid structure for bone grafting on the talus according to claim 3, characterized in that: An arc-shaped connecting rod (34) is also provided between the second connecting rod (32) and the third connecting rod (33).

6. The percussion aid structure for bone grafting on the talus according to claim 1, characterized in that: The bone-tapping part (2) includes a mounting part (21) and a bone-tapping part (22). The mounting part (21) is fixedly disposed on the connecting part (3), and the bone-tapping part (22) is detachably disposed on the mounting part (21).

7. The percussion aid structure for bone grafting on the talus according to claim 6, characterized in that: The mounting component (21) is provided with mounting screw holes (211), the hammering component (22) is cylindrical, and one end of the hammering component (22) is provided with an external thread that matches the mounting screw hole (211). The hammering component (22) is detachably connected to the mounting component (21) through the external thread and the mounting screw hole (211).

8. The percussion aid structure for bone grafting on the talus according to claim 7, characterized in that: The end of the bone-tapping component (22) is provided with a cylindrical mounting boss (221), and the external thread is provided on the outer side of the mounting boss (221).

9. The percussion aid structure for bone grafting on the talus according to claim 1, characterized in that: The striking receiving part (1) includes a mounting post (11) and a support plate (12). The support plate (12) is coaxially arranged with the mounting post (11). The outer diameter a of the support plate (12) is greater than the outer diameter b of the mounting post (11). The axis of the striking receiving part (1) is parallel or collinear with the axis of the bone striking part (2).

10. A striking component, characterized in that: Includes the percussion aid structure for bone grafting on the talus as described in any one of claims 1 to 9, and the percussion element (40).

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