Adjustable external fixation support for bone fracture rehabilitation treatment
By designing an adjustable external fixator and utilizing a combination of insert pins and a limiting frame, the problem of existing fixators being unable to be adjusted was solved, achieving flexible adjustment and stability of the fixator and reducing patient suffering.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-03-24
AI Technical Summary
Existing orthopedic rehabilitation braces are fixed in size and cannot be adjusted, which means that the brace needs to be replaced every time it needs to be adjusted, wasting time and increasing patient suffering.
An adjustable external fixator was designed, which is fixed to the bone by inserting pins. The combination of a limiting frame and an adjustment plate allows for adjustment of the length and position of the fixator to accommodate bones of different lengths and reduce pain during adjustment.
It enables flexible adjustment of the stent, reduces patient discomfort, improves the convenience of adjustment and the stability of the stent, and adapts to changes in the bone growth process.
Smart Images

Figure CN224023649U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to orthopedics repair technical field especially relates to a bone injury rehabilitation treatment adjustable external fixator. BACKGROUND
[0002] Tibial plateau fracture is the fracture of tibial proximal articular surface, which is often caused by vertical and varus and valgus violence, and the fracture displacement is mostly manifested as articular surface collapse and articular surface split, and it is particularly difficult to reset the articular surface collapse during surgical treatment, which is one of the most important factors affecting the prognosis of patients.
[0003] In tibial postoperative rehabilitation, a repair bracket is generally used for adjustment and repair. When a rehabilitation bracket is used to promote rehabilitation, the repair bracket needs to be adjusted by a doctor every interval to ensure that the rehabilitation bracket can drive the repair line to provide appropriate traction to the tibial end to promote normal growth and healing of the tibia; but most of the existing rehabilitation brackets are fixed in size and cannot be adjusted, so the doctor needs to replace the bracket during adjustment, which wastes time and increases the pain of the patient. UTILITARY MODEL CONTENT
[0004] The utility model aims at providing a bone injury rehabilitation treatment adjustable external fixator, which solves the problem that the existing rehabilitation bracket cannot be adjusted.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A bone injury rehabilitation treatment adjustable external fixator, comprising,
[0007] Insertion nail, the insertion nail is fixedly embedded in the injured bone, and the both ends of the bone are limited and fixed;
[0008] Limiting frame, the limiting frame is used for fixing the insertion nail, so that the insertion nail maintains a vertical state with the bone;
[0009] Among them, the limiting frame limits the insertion nail, and the limiting frame can also change the length.
[0010] Preferably, a plurality of insertion nails are arranged on the bone, and the end of each insertion nail away from the bone is a threaded structure.
[0011] Preferably, the limiting frame comprises:
[0012] First adjusting plate, the first adjusting plate is arranged in parallel with the bone, and the first adjusting plate is an arc-shaped around the bone;
[0013] Second adjusting plate, with one end of the first adjusting plate is detachable connection, and the second adjusting plate with first adjusting plate is vertically arranged, so that the second adjusting plate is vertical parallel with the bone;
[0014] Third adjusting plate, the third adjusting plate is detachable connection on the second adjusting plate, the third adjusting plate is parallel with the second adjusting plate arrangement;
[0015] Wherein, the first adjusting plate and the second adjusting plate are fixed by inserting nail at one end of the bone, and the other end of the bone is fixed by the second adjusting plate and the third adjusting plate, so that the fixed fracture part is in close contact.
[0016] Preferably, the surface of the first adjusting plate, the second adjusting plate and the third adjusting plate is provided with a plurality of adjusting holes, and the position of the inserting nail is changed through the adjusting hole.
[0017] Preferably, the adjusting hole of the first adjusting plate, the second adjusting plate and the third adjusting plate is screw connected with a connecting piece, and the connecting piece is used for connecting with the inserting nail.
[0018] Preferably, both ends of the third adjusting plate are screw structure, the lower end of the third adjusting plate is telescopic end, and the telescopic end is movably embedded with an extension plate, and the extension plate is provided with an adjusting hole corresponding to the third adjusting plate.
[0019] The utility model has the following beneficial effects:
[0020] Through the setting of the inserting nail and the limiting frame, the inserting nail is fixed in the inserted bone, and the outer end of the inserting nail is connected with the limiting frame through the connecting piece, the limiting frame is vertically arranged with the bone, the bottom is arranged in parallel with the bottom surface of the bone, and is arranged in arc around one end of the bone, and the inserting nail is fixed at both ends of the bone fracture through the limiting frame, and the length of the limiting frame is adjusted during growth to change the fixed position of the inserting nail, so that it is more convenient and reduces the discomfort of the patient. ACCURACY
[0021] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiment description, obviously, the drawings in the following description is some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.
[0022] Figure 1 It is the whole connection schematic diagram of the utility model;
[0023] Figure 2 It is the whole overhead connection schematic diagram of the utility model;
[0024] Figure 3 It is the schematic view of the limiting frame and the insertion nail structure of the utility model;
[0025] Figure 4 It is the schematic view of the third adjusting plate structure of the utility model.
[0026] In the drawing:
[0027] 1, bone; 2, insertion nail; 3, second adjusting plate; 4, third adjusting plate; 5, connecting piece; 6, first adjusting plate; 41, extension plate. DETAILED DESCRIPTION
[0028] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.
[0029] Referring to Figures 1-4 , a bone injury rehabilitation treatment adjustable external fixation support, including a limiting frame, the limiting frame is connected with the insertion nail 2 inserted into the bone 1, and then a fixed support is formed by the limiting frame and the insertion nail 2, as shown in Figure 3 , and the bottom of the fixed support is arc-shaped, which can be arc-adjusted around one end of the bone 1, and then the insertion position can be better found during insertion, so that the whole is more stable, and two insertion nails 2 are respectively arranged at the upper and lower ends in the vertical direction, so that the fractured parts can be better spliced, and the firmness after splicing is improved.
[0030] Further, as shown in Figure 1 and Figure 2 , the limiting frame includes a first adjusting plate 6, the first adjusting plate 6 is arranged in parallel with the bone 1, and the first adjusting plate 6 is arc-shaped around the bone 1, a second adjusting plate 3, the second adjusting plate 3 is detachably connected with one end of the first adjusting plate 6, and the second adjusting plate 3 is arranged perpendicularly to the first adjusting plate 6, so that the second adjusting plate 3 is vertically parallel to the bone 1, a third adjusting plate 4, the third adjusting plate 4 is detachably connected on the second adjusting plate 3, and the third adjusting plate 4 is arranged in parallel with the second adjusting plate 3, wherein one end of the first adjusting plate 6 and the second adjusting plate 3 is fixed to one end of the bone 1 through the insertion nail 2, and the other end of the bone 1 is fixed through the second adjusting plate 3 and the third adjusting plate 4, so that the fixed fractured parts are in close contact.
[0031] In actual implementation, the insertion nails 2 are inserted into the patient's bone 1 in sequence, the first adjusting plate 6, the second adjusting plate 3 and the third adjusting plate 4 are spliced according to the positions of the insertion nails 2, the first adjusting plate 6, the second adjusting plate 3 and the third adjusting plate 4 are connected by the connecting piece 5 during splicing, since the first adjusting plate 6, the second adjusting plate 3 and the third adjusting plate 4 are provided with a plurality of adjusting holes, the two ends of the fractured bone can be better contacted during installation, thereby facilitating the repair of the fractured bone, during splicing, the second adjusting plate 3 and the third adjusting plate 4 are arranged in parallel with the fractured bone in the vertical plane, and the first adjusting plate 6 is arranged in parallel with the fractured bone in the bottom surface, meanwhile, the first adjusting plate 6 is arranged in an arc shape and better contacts the end surface of the fractured bone, so that the insertion nails 2 are arranged in an arc shape, since the tibia has a certain inclination in the vertical direction, the upper end insertion nail 2 is connected with the second adjusting plate 3 through the third adjusting plate 4 during fixed installation, and the lower end is directly connected to the second adjusting plate 3, so that the second adjusting plate 3 is better connected with the insertion nail 2 on the bone 1 vertically and perpendicularly, since the adjusting holes are arranged on the first adjusting plate 6, the second adjusting plate 3 and the third adjusting plate 4, the fixed frame can better adapt to the bone 1 of different lengths, and can better adapt to the growth of the bone 1 by changing the different adjusting holes during the growth process, and secondly, it better helps the growth of the bone 1, reduces the pain of the patient during each adjustment, and makes the adjustment more convenient.
[0032] Reference Figure 4 As shown, further optimization is that one end of the third adjusting plate 4 is telescopically provided with an extension plate 41, and the extension plate 41 is also provided with an adjusting hole corresponding to the adjusting hole, so that the third adjusting plate 4 can be better lengthened during telescopic adjustment, and better adapt to different patients, the threaded rods arranged at both ends of the third adjusting plate 4 can better be installed on the second adjusting plate 3, so that the third adjusting plate 4 is more convenient to install on the second adjusting plate 3, and secondly, it is more convenient to splice to form a stable and complete external fixation support, to support and adjust the fractured bone, thereby reducing the pain of the patient.
[0033] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.
Claims
1. An adjustable external fixator for bone injury rehabilitation, characterized in that: The utility model relates to a kind of bone fracture fixation device, including, Insert nail (2), the insert nail (2) is fixed inlay into injured bone (1), the both ends of the bone (1) are limited and fixed; Limit frame, the limit frame is used to fix insert nail (2), so that the insert nail (2) keeps perpendicular state with bone (1); Wherein, the limit frame limits insert nail (2), and limit frame can also change length.
2. The adjustable external fixation support for bone injury rehabilitation treatment according to claim 1, characterized in that, The insert nail (2) is provided with multiple on bone (1), and the end of each insert nail (2) away from bone (1) is screw structure.
3. The adjustable external fixation support for bone injury rehabilitation treatment according to claim 1, characterized in that, The limit frame includes: First adjusting plate (6), the first adjusting plate (6) is arranged in parallel with the bone (1), and the first adjusting plate (6) is arc-shaped and distributed around the bone (1); Second adjusting plate (3), the second adjusting plate (3) is detachably connected with one end of the first adjusting plate (6), and the second adjusting plate (3) is arranged perpendicularly with the first adjusting plate (6), so that the second adjusting plate (3) is vertically parallel with the bone (1); Third adjusting plate (4), the third adjusting plate (4) is detachably connected on the second adjusting plate (3), and the third adjusting plate (4) is arranged in parallel with the second adjusting plate (3); Wherein, one end of the first adjusting plate (6) and the second adjusting plate (3) is fixed to one end of the bone (1) by insert nail (2), and the other end of the bone (1) is fixed by the second adjusting plate (3) and the third adjusting plate (4), so that the fixed fracture part is in close contact.
4. The adjustable external fixation support for bone injury rehabilitation treatment according to claim 3, characterized in that, The surface of the first adjusting plate (6), the second adjusting plate (3) and the third adjusting plate (4) is provided with a plurality of adjusting holes, and the position of the insert nail (2) is changed through the adjusting holes.
5. The adjustable external fixation support for bone injury rehabilitation treatment according to claim 4, characterized in that, The adjusting hole of the first adjusting plate (6), the second adjusting plate (3) and the third adjusting plate (4) is screw-connected with connecting piece (5), and the connecting piece (5) is used to be connected with the insert nail (2).
6. The adjustable external fixation support for bone injury rehabilitation treatment according to claim 5, characterized in that, Both ends of the third adjusting plate (4) are screw structure, the lower end of the third adjusting plate (4) is telescopic end, movable inlay has extension plate (41), and the extension plate (41) is provided with adjusting hole corresponding to the third adjusting plate (4).