Comfortable orthopedic trauma external fixator

Abstract

The utility model relates to the field of orthopedics trauma external fixator, disclose a comfortable orthopedics trauma external fixator, including one upper arm fixed shell, two upper arm fixed shell, two stretch mechanism, forearm fixed mechanism, elbow protector, two forearm anti -collision shell, the stretch mechanism includes fixed long strip, one connecting block and fixed sliding block between through one bolt penetration long strip hole screw thread fixed setting, the lower end of one connecting block all hinged settings have pull -out rod, two the outside middle -lower position of two connecting blocks all are fixedly connected with one L type long strip, in the utility model, wear through two upper arm fixed shell to upper arm, adjust different angles through stretch mechanism, make the fractured extremity around elbow joint can be fully fixed, also do not fix wrist joint, also be favorable to postoperative rehabilitation patient elbow joint get activity, be more favorable to its recovery of extremity, also be more comfortable, through forearm fixed and elbow protector make the fractured extremity around elbow joint fixed and postoperative rehabilitation patient's fixed more stable, elbow also get protection.

Description

Technical Field

[0001] This utility model relates to the field of external fixation devices for orthopedic trauma, and in particular to a comfortable external fixation device for orthopedic trauma. Background Technology

[0002] Orthopedic external fixators are devices used to fix and stabilize fractures, ligament injuries, or for post-fracture rehabilitation. They can be used to treat fresh fractures of various types and locations in long bones, including open fractures of the limbs, infected fractures, and multiple fractures. For diaphysis fractures where other methods are difficult to use for stabilization, or certain joint fractures and dislocations, orthopedic external fixators can provide effective fixation. Comfortable wear of orthopedic external fixators is crucial for improving patient comfort, promoting long-term wear, reducing skin irritation, and facilitating rehabilitation activities. Therefore, when selecting and using external fixators, their comfort and the actual needs of patients with proximal forearm fractures, elbow fractures, and those undergoing post-fracture rehabilitation should be fully considered.

[0003] Most existing orthopedic external fixators simply use soft fabrics and rigid structures to achieve comfort for patients with elbow fractures and those recovering from fractures. Many fixators consist of only a few steel bars and straps for patients with forearm fractures or those recovering from forearm surgery. This simple approach to achieving comfort often leads to instability in the forearm during use, causing secondary injuries. Furthermore, the rigid structure prevents joint movement in patients recovering from fractures, which is detrimental to their rehabilitation.

[0004] Therefore, those skilled in the art have provided a comfortable external fixator for orthopedic trauma to address the problems mentioned in the background section. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a comfortable external fixator for orthopedic trauma. This device can stably fix the injured limb of the patient while allowing for adequate ventilation, effectively protecting the elbow, and allowing for wrist movement. It is also more conducive to flexion and extension rehabilitation exercises of the elbow joint after fractures around the elbow joint.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A comfortable orthopedic trauma external fixator includes a first upper arm fixation shell, a second upper arm fixation shell, two tensioning mechanisms, a forearm fixation mechanism, an elbow brace, and two forearm anti-collision shells. The tensioning mechanism comprises a fixed strip with a hole at its lower end on one side. A connecting block and a slider are movably disposed on the inner and outer sides of the fixed strip at the hole. The connecting block and the slider are threadedly fixed together by a bolt passing through the hole. A lifting rod is hinged to the lower end of each connecting block. The forearm fixation mechanism includes two second connecting blocks with a latch hinged to their lower ends. A forearm fixation strip is hinged to the lower ends of both latches. An L-shaped strip is fixedly connected to the lower outer side of each connecting block. Bolts are threaded onto the middle and lower outer sides of both L-shaped strips.

[0008] Furthermore, a connecting ring is fixedly connected between the two No. 2 connecting blocks, and a No. 3 connecting block is fixedly connected to the middle of the outer surface of the connecting ring. A No. 2 buckle is hinged to the lower end of the No. 3 connecting block, and a No. 2 forearm fixing strip is hinged to the lower end of the No. 2 buckle. A No. 2 L-shaped strip is fixedly connected to the outer side of the No. 3 connecting block, and No. 3 bolts are threaded on the outer side of the No. 2 L-shaped strip at the middle and lower positions.

[0009] Furthermore, one side of the second upper arm fixing shell is hinged to one side of the first upper arm fixing shell, and wearing holes are fixedly provided at the middle position of one side of the outer surface of both the first and second upper arm fixing shells.

[0010] Furthermore, the two fixed strips are fixedly connected to the upper inner side of the outer surface of the first upper arm fixing shell at a centrally symmetrical position, and the two fixed strips are hinged to the inner upper end of the two second connecting blocks.

[0011] Furthermore, the elbow pad is hinged to the inner side of the lower end of the two fixed strips, and the two forearm anti-collision shells are respectively fixedly connected to the lower end face of the two No. 1 L-shaped strips and the two sides of the No. 2 L-shaped strip.

[0012] Furthermore, the first upper arm fixing shell, the second upper arm fixing shell, and the two forearm anti-collision shells are provided with multiple circular holes.

[0013] Furthermore, the two connecting blocks, the forearm fixing strip, the forearm fixing strip, and the connecting ring are all located inside the forearm anti-collision shell.

[0014] Furthermore, the inner sides of the lower ends of the two forearm fixing strips No. 1 and No. 2 are arc-shaped, and multiple wearing holes are evenly fixed on the upper surfaces of the two L-shaped strips No. 1.

[0015] This utility model has the following beneficial effects:

[0016] 1. This utility model proposes a comfortable orthopedic trauma external fixator, comprising a first upper arm fixation shell, a second upper arm fixation shell, two tensioning mechanisms, a forearm fixation mechanism, an elbow brace, and two forearm anti-collision shells. The tensioning mechanism includes a fixed strip, which connects the two tensioning mechanisms to the first upper arm fixation shell. A long hole is provided on one side of the fixed strip near its lower end. A first connecting block and a slider are movably disposed on the inner and outer sides of the fixed strip at the long hole. The first connecting block and the fixed slider are threadedly fixed together by a first bolt passing through the long hole. The first connecting block... The fixed slider can slide up and down. The first connecting block and the fixed slider are fixed by the first bolt. The lower end of the first connecting block is hinged with a lifting rod. The forearm fixation mechanism can be adjusted up and down by lifting the rod. Ultimately, the angle of the forearm proximal bone, the elbow joint periarticular fracture, and the functional rehabilitation exercise after fracture can be adjusted. This allows the elbow joint periarticular fracture to be effectively stabilized without restricting wrist joint movement. It is beneficial for reducing swelling at the surgical site before surgery and for rehabilitation exercises after periarticular fracture surgery. It avoids stiffness caused by prolonged fixation of the elbow joint and thus achieves better joint function.

[0017] 2. This utility model proposes a comfortable orthopedic trauma external fixator. The forearm fixation mechanism includes two No. 2 connecting blocks. A No. 1 buckle is hinged to the lower end of each of the two No. 2 connecting blocks. A No. 1 forearm fixation strip is hinged to the lower end of each of the two No. 1 buckles. The No. 2 connecting blocks and the No. 1 forearm fixation strip are connected by the No. 1 buckle, allowing the No. 1 forearm fixation strip to move inward and outward. A No. 1 L-shaped strip is fixedly connected to the lower outer side of each of the two No. 2 connecting blocks. No. 2 bolts are threaded onto the middle and lower outer sides of each of the two No. 1 L-shaped strips. By screwing the No. 2 bolts into the No. 1 L-shaped strip, the forearm fixation strip can be... The first fixed strip is pushed inward, and a connecting ring is fixedly connected between the two second connecting blocks. A third connecting block is fixedly connected to the middle of the outer surface of the connecting ring. A second buckle is hinged at the lower end of the third connecting block, and a second forearm fixing strip is hinged at the lower end of the second buckle. The second forearm fixing strip can move inward through the second buckle. A second L-shaped strip is fixedly connected to the outside of the third connecting block. A third bolt is threaded on the outer side of the second L-shaped strip near the middle and lower positions. By screwing the third bolt into the second L-shaped strip, the second forearm fixing strip is pushed inward to achieve stable fixation of the forearm. Attached Figure Description

[0018] Figure 1 This is an axonometric view of the present invention;

[0019] Figure 2 This is a schematic diagram of the tensioning mechanism of this utility model from the axial side.

[0020] Figure 3 This is a schematic diagram of the slider shaft side of this utility model;

[0021] Figure 4 This is an isometric view of the forearm fixing mechanism of this utility model;

[0022] Figure 5 This is a schematic diagram of the first L-shaped strip of this utility model.

[0023] Legend:

[0024] 1. Upper arm fixing shell (No. 1); 2. Upper arm fixing shell (No. 2); 3. Tensioning mechanism; 4. Forearm fixing mechanism; 5. Elbow pad; 6. Two forearm anti-collision shells; 301. Fixing strip; 302. Connecting block (No. 1); 303. Bolt (No. 1); 304. Slider; 305. Lifting rod; 306. Long strip hole; 401. Connecting block (No. 2); 402. Buckle (No. 1); 403. Forearm fixing strip (No. 1); 404. L-shaped strip (No. 1); 405. Bolt (No. 2); 406. Connecting ring; 407. Connecting block (No. 3); 408. L-shaped strip (No. 2); 409. Buckle (No. 2); 410. Forearm fixing strip (No. 2); 411. Bolt (No. 3). Detailed Implementation

[0025] 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.

[0026] Reference Figure 1 , Figure 2 , Figure 3 One embodiment provided by this utility model:

[0027] A comfortable orthopedic trauma external fixator includes a first upper arm fixation shell 1, a second upper arm fixation shell 2, two tensioning mechanisms 3, a forearm fixation mechanism 4, an elbow brace 5, and two forearm anti-collision shells 6. The tensioning mechanism 3 includes a fixed strip 301 with a long hole 306 at its lower end on one side. A first connecting block 302 and a slider 304 are movably disposed on the inner and outer sides of the fixed strip 301 at the long hole 306, respectively. The first connecting block 302 and the fixed slider 304 are threadedly fixed together by a first bolt 303 passing through the long hole 306. Each of the blocks 302 has a lifting rod 305 hinged to its lower end. The second upper arm fixing shell 2 is hinged to one side of the first upper arm fixing shell 1. Wearing holes are fixedly provided in the middle of one side of the outer surface of the first upper arm fixing shell 1 and the second upper arm fixing shell 2. The two fixing strips 301 are fixedly connected to the center symmetrical position of the outer surface of the first upper arm fixing shell 1 at the upper middle position. The two fixing strips 301 are hinged to the upper inner side of the two second connecting blocks 401. The first upper arm fixing shell 1, the second upper arm fixing shell 2, and the two forearm anti-collision shells 6 are provided with multiple round holes.

[0028] Specifically, the wearer wears the orthopedic trauma external fixator on the upper arm through the first upper arm fixation shell 1 and the second upper arm fixation shell 2. The first connecting block 302 and the slider 304 on both sides of the elongated hole 306 are connected by the first bolt 303, allowing the first connecting block 302 and the slider 304 to slide up and down. The lifting rod 305 is connected to the second connecting block 401, so that the first connecting block 302 and the slider 304 move up and down while driving the second connecting block 401 to rotate. This allows the elbow joint of the patient recovering from fractures of the proximal forearm and around the elbow joint to move. The elbow brace 5 provides effective protection for the patient's elbow. The multiple round holes on the first upper arm fixation shell 1, the second upper arm fixation shell 2, and the two forearm anti-collision shells 6 allow the forearm and elbow joint to breathe fully, improving wearing comfort and facilitating limb rehabilitation.

[0029] Reference Figure 1 , Figure 4 , Figure 5The forearm fixing mechanism 4 includes two second connecting blocks 401. A first buckle 402 is hinged to the lower end of each of the two second connecting blocks 401. A first forearm fixing strip 403 is hinged to the lower end of each of the two first buckles 402. An L-shaped strip 404 is fixedly connected to the lower outer side of each of the two second connecting blocks 401. Second bolts 405 are threaded onto the middle and lower outer sides of each of the two L-shaped strips 404. A connecting ring 406 is fixedly connected between the two second connecting blocks 401. A third connecting block 407 is fixedly connected to the middle of the outer surface of the connecting ring 406. A second buckle 409 is hinged to the lower end of the third connecting block 407. A second forearm fixing strip 410 is hinged to the lower end of the second buckle 409. A second L-shaped strip 408 is fixedly connected to the outer side of the first connecting block 407. A third bolt 411 is threaded on the outer side of the second L-shaped strip 408 at the middle and lower positions. The elbow guard 5 is hinged to the inner side of the lower end of the two fixed strips 301. The two forearm anti-collision shells 6 are fixedly connected to the lower end face of the two first L-shaped strips 404 and the two sides of the second L-shaped strip 408 respectively. The two second connecting blocks 401, the first forearm fixing strip 403 and the second forearm fixing strip 410, and the connecting ring 406 are all inside the two forearm anti-collision shells 6. The inner side of the lower end of the two first forearm fixing strips 403 and the second forearm fixing strip 410 is arc-shaped. Multiple wearing holes are evenly fixed on the upper end face of the two first L-shaped strips 404.

[0030] Specifically, the first forearm fixing strip 403 is hinged to the first buckle 402, and the second forearm fixing strip 410 is hinged to the second buckle 409, allowing the first forearm fixing strip 403 and the second forearm fixing strip 410 to move. The second forearm fixing strip 410 is also hinged to the second buckle 409, allowing the second forearm fixing strip 410 to move. The two second connecting blocks 401 and the third connecting block 407 are connected by the connecting ring 406, so that the three work together. By screwing the second bolt 405 and the third bolt 411 into the first L-shaped strip 404 and the second L-shaped strip 408 respectively, the first forearm fixing strip 403 and the second forearm fixing strip 410 are pushed inward, thereby fixing the forearm and making the forearm fixation more stable. The two forearm anti-collision shells 6 effectively protect the injured forearm of the patient.

[0031] Working principle: The orthopedic trauma external fixator is worn on the upper arm through the wearing holes on the first upper arm fixation shell 1 and the second upper arm fixation shell 2 using a strap. Loosening the first bolt 303 allows the first connecting block 302 and the slider 304 to move up and down. The second connecting block 401 is connected through the lifting rod 305, so that the first connecting block 302 and the slider 304 move up and down while driving the second connecting block 401 to rotate. This allows patients with fractures of the proximal forearm and around the elbow joint, as well as those undergoing postoperative rehabilitation, to adjust the wearing angle and move their wrist and elbow joints. When wearing the device, the elbow is placed on the elbow brace 5 for effective protection.

[0032] Secondly, by screwing bolts 405 and 411 into L-shaped strips 404 and 408 respectively, forearm fixing strips 403 and 410 are pushed inward. Connecting ring 406 connects two connecting blocks 401 and 407, so that the two forearm fixing strips 403 and 410 work together to fix the forearm. By controlling the tightness, the arm is more effectively fixed. The two forearm anti-collision shells 6 effectively protect the forearm to prevent secondary injury from collisions. The multiple round holes on the two forearm anti-collision shells 6 allow the forearm to breathe, improving wearing comfort and speeding up the recovery of the forearm.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A comfortable orthopedic trauma external fixator, comprising a first upper arm fixation shell (1), a second upper arm fixation shell (2), two tensioning mechanisms (3), a forearm fixation mechanism (4), an elbow brace (5), and two forearm anti-collision shells (6), characterized in that: The stretching mechanism (3) includes a fixed strip (301), and a strip hole (306) is provided on one side near the lower end of the fixed strip (301). A first connecting block (302) and a slider (304) are movably arranged on the inner and outer sides of the fixed strip (301) located at the strip hole (306). The first connecting block (302) and the slider (304) are fixedly connected by a first bolt (303) through the strip hole (306) with threads. A lifting rod (305) is hinged to the lower end of the first connecting block (302). The forearm fixing mechanism (4) includes two second connecting blocks (401). The lower ends of the two second connecting blocks (401) are hinged with first buckles (402). The lower ends of the two first buckles (402) are hinged with forearm fixing strips (403). The lower outer sides of the two second connecting blocks (401) are fixedly connected with L-shaped strips (404). The outer sides of the two L-shaped strips (404) are threaded with second bolts (405) at the middle and lower outer sides.

2. The comfort-type orthopedic trauma external fixator according to claim 1, characterized in that: A connecting ring (406) is fixedly connected between the two connecting blocks (401). A connecting block (407) is fixedly connected to the middle of the outer surface of the connecting ring (406). A buckle (409) is hinged to the lower end of the connecting block (407). A forearm fixing strip (410) is hinged to the lower end of the buckle (409). A L-shaped strip (408) is fixedly connected to the outer side of the connecting block (407). A bolt (411) is threaded on the outer side of the L-shaped strip (408) near the middle and lower positions.

3. The comfort-type orthopedic trauma external fixator according to claim 1, characterized in that: The second upper arm fixing shell (2) is hinged to one side of the first upper arm fixing shell (1), and wearing holes are fixedly provided at the middle position of one side of the outer surface of both the first upper arm fixing shell (1) and the second upper arm fixing shell (2).

4. The comfort-type orthopedic trauma external fixator according to claim 1, characterized in that: The two fixed strips (301) are fixedly connected to the upper inner side of the first upper arm fixed shell (1) at a centrally symmetrical position on the outer surface. The two fixed strips (301) are hinged to the inner upper end of the two second connecting blocks (401).

5. A comfortable orthopedic trauma external fixator according to claim 2, characterized in that: The elbow pad (5) is hinged to the inner side of the lower end of the two fixed strips (301), and the two forearm anti-collision shells (6) are fixedly connected to the lower end face of the two first L-shaped strips (404) and the two sides of the second L-shaped strip (408) respectively.

6. A comfortable orthopedic trauma external fixator according to claim 1, characterized in that: The first upper arm fixing shell (1), the second upper arm fixing shell (2), and the two forearm anti-collision shells (6) are provided with multiple round holes.

7. A comfortable orthopedic trauma external fixator according to claim 2, characterized in that: The two connecting blocks (401), the first forearm fixing strip (403), the second forearm fixing strip (410), and the connecting ring (406) are all located inside the two forearm anti-collision shells (6).

8. A comfortable orthopedic trauma external fixator according to claim 2, characterized in that: The lower inner sides of the two No. 1 forearm fixing strips (403) and No. 2 forearm fixing strips (410) are arc-shaped, and the upper surfaces of the two No. 1 L-shaped strips (404) are evenly fixed with multiple wearing holes.

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