L-shaped medical external fixator

Abstract

The utility model relates to an L type medical external fixator, including short plate, long plate, hinge, binding band and flannelette protective cover, hinge includes the casing that is located in the hinge, the inside of the casing is equipped with hinge shaft, the outer surface of hinge shaft is respectively rotatingly equipped with first hinge and second hinge. According to the L-shaped medical external fixator, through cooperation of the short plate, the long plate, the hinge, the binding belt and the like, when the L-shaped medical external fixator is worn and a patient is in a horizontal position, the short plate is arranged on the first lumbar vertebra of the back side of the patient, the long plate is tightly attached to the outer side of an affected limb, the flannelette protection sleeve makes contact with the skin of the patient during binding, and the binding belt is pressed on the flannelette protection sleeve; then a binding belt with a proper length is taken, the binding belt forms transverse 8-shaped binding on the waist of the patient, and meanwhile, in the binding process, the tightness of the binding belt is adjusted to ensure that the binding belt is not too tight to influence blood circulation and is not too loose to be effectively fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to an L-shaped medical external fixator. Background Technique

[0002] In the medical field, the use of external fixators is an important technique in orthopedic surgery. Especially when dealing with bone injuries such as fractures, the external fixator holds the affected limb or spine in the position required for treatment through an external device, facilitating the repair of fractures and other soft tissues and the correction of spinal deformities.

[0003] In the medical community, fixators are an indispensable tool, especially playing a key role in trauma and orthopedic surgeries. The common fixation method is to achieve stability by fixing steel plates and screws to the fractured bone. However, the disadvantages of this method include relatively large surgical trauma, possibly requiring more soft tissue dissection, increasing the risks of infection and bleeding. In addition, the steel plates and screws may cause stress shielding effects, affecting the physiological load of the bone, thus affecting the quality of fracture healing. In some cases, the bone mass under the steel plate may be absorbed, resulting in loosening of the steel plate; or an internal fixator is used. For example, the interlocking intramedullary nail is an internal fixation method for fractures in the middle segment of long bones. It allows early activity and weight-bearing, but the disadvantages include possible intraoperative complications such as bone marrow injury and fat embolism, deep infections may occur after surgery, and removing the internal fixation may require additional surgery. Therefore, an L-shaped medical external fixator is proposed to solve the above-mentioned problems. Content of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model provides an L-shaped medical external fixator that can improve the comfort of patients.

[0005] To achieve the above purpose, the utility model provides the following technical solution: an L-shaped medical external fixator, including a short board, a long board, a hinge, a binding band, and a flannelette protective cover. The hinge includes a housing located inside the hinge. A hinge shaft is installed inside the housing. A first hinge leaf and a second hinge leaf are respectively rotatably installed on the outer surface of the hinge shaft. Two installation holes are respectively opened inside the first hinge leaf and the second hinge leaf;

[0006] The binding band includes an elastic band located inside the binding band. A buckle is installed at one end of the elastic band. A hook-and-loop fastener rough surface is arranged on the surface of the elastic band, and a hook-and-loop fastener hook surface is arranged at one end of the surface of the elastic band.

[0007] Preferably, the short board and the long board are connected by a hinge, and the short board and the long board are arranged at a right angle.

[0008] Preferably, fastening bolts are threadedly connected to the interiors of the two groups of mounting holes, and the short board and the long board are respectively connected to the mounting holes through the two fastening bolts.

[0009] Preferably, the length of the long board is three times the length of the short board, and the short board is flipped 180 degrees through a hinge.

[0010] Preferably, the flannelette protective cover is made of pure cotton flannelette, and the materials of the long board and the short board are both made of wood.

[0011] Preferably, the rough surface of the magic tape adheres to the hook surface of the magic tape.

[0012] Compared with the prior art, the technical solution of the present application has the following beneficial effects:

[0013] For this L-shaped medical external fixator, through the cooperation of the short board, the long board, the hinge, the binding strap, etc., when worn, when the patient takes a supine position, the short board is placed at the level of the first lumbar vertebra on the dorsal side of the patient, the long board is closely attached to the outer side of the affected limb, and during binding, the flannelette protective cover is in contact with the patient's skin, the binding strap is pressed on the flannelette protective cover, and then a binding strap with a suitable length is taken, and the binding strap is formed into a horizontal "8" shape around the patient's waist. At the same time, during the binding process, the tightness of the binding strap is adjusted to ensure that it is neither too tight to affect blood circulation nor too loose to be unable to effectively fix. Through the above fixation method, the fracture site of the patient can be effectively fixed and the mechanical balance at the fracture site can be maintained, so as to achieve the purpose of keeping the fracture ends stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is an exploded view of the structure of the present utility model;

[0015] Figure 2 is a schematic diagram of the hinge structure of the present utility model;

[0016] Figure 3 is a schematic diagram of the structure of the flannelette protective cover of the present utility model.

[0017] In the figure: 1, short board; 2, long board; 3, hinge; 301, housing; 302, hinge shaft; 303, first hinge; 304, second hinge; 305, mounting hole; 4, fastening bolt; 5, binding strap; 501, elastic band; 502, buckle; 503, rough surface of the magic tape; 504, hook surface of the magic tape; 6, flannelette protective cover. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0019] Please refer to Figures 1-3 , a type L medical external fixator in this embodiment includes a short board 1, a long board 2, a hinge 3, a binding band 5 and a flannelette protective cover 6. The hinge 3 includes a housing 301 inside the hinge 3. A hinge shaft 302 is installed inside the housing 301. A first hinge leaf 303 and a second hinge leaf 304 are respectively rotatably installed on the outer surface of the hinge shaft 302. Two mounting holes 305 are respectively formed inside the first hinge leaf 303 and the second hinge leaf 304.

[0020] It should be noted that fixators are used after trauma and orthopedic surgeries. The fixator is used to keep the affected limb or spine in the position required for treatment, so as to facilitate the repair of fractures and other soft tissues and the correction of spinal deformities. Moreover, the type L medical external fixator is composed of a short board 1, a long board 2, a hinge 3, a binding band 5 and a flannelette protective cover 6, achieving the purpose of keeping the fracture ends stable. It can fix the foot and also fix the buttocks and femur, achieving the effect of convenient use in multiple aspects.

[0021] The binding band 5 includes an elastic band 501 inside the binding band 5. A buckle 502 is installed at one end of the elastic band 501. A hook surface of Velcro 503 is arranged on the surface of the elastic band 501, and a loop surface of Velcro 504 is arranged at one end of the surface of the elastic band 501.

[0022] Specifically, in order to fix these short boards 1 and long boards 2, the hook surface of Velcro 504 and the loop surface of Velcro 503 are used to connect them to the patient's body through the binding band 5.

[0023] The short board 1 and the long board 2 are connected by the hinge 3, and the short board 1 and the long board 2 are arranged at a right angle.

[0024] Specifically, these two short boards 1 and long boards 2 are linked by the hinge 3 at the ends, ensuring that a fixed angle of 90 degrees can be maintained between them, thereby providing appropriate mechanical support and fixation for the affected limb, and contributing to the stability and healing of the fracture.

[0025] Two fastening bolts 4 are threadedly connected inside both groups of mounting holes 305. The short board 1 and the long board 2 are respectively connected to the mounting holes 305 through the two fastening bolts 4.

[0026] Specifically, the short board 1 and the long board 2 are fixedly connected to the hinge 3 through the fastening bolts 4.

[0027] The length of the long board 2 is three times that of the short board 1, and both the short board 1 and the long board 2 can be flipped 180 degrees through the hinge 3, so that the whole fixator achieves the purpose of being convenient for adjustment.

[0028] Specifically, the position of the short board 1 is closer to the patient's spine and waist, while the long board 2 extends to the outside of the affected limb. The two are connected by the hinge 3 to form an L-shaped structure to adapt to different parts of the body and provide necessary support and fixation.

[0029] The flannelette protective cover 6 is made of pure cotton flannelette, and the materials of the long board 2 and the short board 1 are both made of wood boards.

[0030] Specifically, by setting the flannelette protective cover 6, no additional padding is required during bundling, avoiding blood circulation disorders at the ends of the affected limb caused by excessive pressure. Pure cotton flannelette is suitable for long-term contact with the skin, reducing the risk of allergies and discomfort; the wood board has good air permeability, which is crucial for keeping the patient's skin dry and reducing the risk of skin problems such as eczema.

[0031] During implementation, the following steps are taken for operation:

[0032] 1) When wearing, when the patient takes a supine position, the short board 1 is placed at the level of the first lumbar vertebra on the dorsal side of the patient, and the long board 2 is closely attached to the outside of the affected limb;

[0033] 2) Then during bundling, the flannelette protective cover 6 is in contact with the patient's skin, and the bundling strap 5 is pressed on the flannelette protective cover 6;

[0034] 3) Then take a bundling strap 5 with a suitable length. One end of the bundling strap 5 is fixed on one side of the patient's waist, near the short board 1. The bundling strap 5 extends horizontally along the patient's back from the starting point to the other side of the waist, then reverses direction, goes up along the patient's abdomen, passes between the legs, extends to the back again, and finally returns to near the starting point along the original route, forming a horizontal "8" shape;

[0035] 4) Finally, during the bundling process, adjust the tightness of the bundling strap 5 to complete the fixation.

[0036] In summary, for the L-shaped medical external fixator, through the cooperation among the short board 1, long board 2, hinge 3, binding strap 5, etc., when worn and the patient lies in a supine position, the short board 1 is placed at the level of the first lumbar vertebra on the dorsal side of the patient, the long board 2 is closely attached to the outer side of the affected limb. When binding, the flannelette protective cover 6 is in contact with the patient's skin, and the binding strap 5 is pressed on the flannelette protective cover 6. Then, take a binding strap 5 with a suitable length and form a horizontal "8" shape binding with the binding strap 5 around the patient's waist. At the same time, during the binding process, adjust the tightness of the binding strap 5 to ensure that it is neither too tight as to affect blood circulation nor too loose to be unable to effectively fix. Through the above fixing method, the fracture site of the patient can be effectively fixed and the mechanical balance at the fracture site can be maintained, so as to achieve the purpose of keeping the fracture ends stable.

[0037] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or sequence between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the said element.

[0038] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An L-shaped medical external fixator, comprising a short plate (1), a long plate (2), a hinge (3), a binding belt (5) and a flannel protective cover (6), characterized in that: The hinge (3) comprises a housing (301) located inside the hinge (3), a hinge shaft (302) is installed inside the housing (301), a first hinge (303) and a second hinge (304) are rotatably installed on the outer surface of the hinge shaft (302), and two mounting holes (305) are respectively provided inside the first hinge (303) and the second hinge (304); The binding belt (5) comprises an elastic belt (501) located inside the binding belt (5), a buckle (502) is installed at one end of the elastic belt (501), a Velcro fleece surface (503) is provided on the surface of the elastic belt (501), and a Velcro hook surface (504) is provided on one end of the surface of the elastic belt (501).

2. The L-shaped medical external fixator according to claim 1, characterized in that: The short board (1) and the long board (2) are connected via a hinge (3), and the short board (1) and the long board (2) are arranged at a 90-degree angle.

3. The L-shaped medical external fixator according to claim 1, characterized in that: The interiors of the two groups of mounting holes (305) are both threadedly connected with fastening bolts (4), and the short plate (1) and the long plate (2) are respectively connected to the mounting holes (305) via two fastening bolts (4).

4. The L-shaped medical external fixator according to claim 1, characterized in that: The length of the long board (2) is three times the length of the short board (1), and the short board (1) can be turned 180 degrees via a hinge (3).

5. The L-shaped medical external fixator according to claim 1, characterized in that: The flannel protective cover (6) is made of pure cotton flannel, and the long board (2) and the short board (1) are both made of wooden boards.

6. The L-shaped medical external fixator according to claim 1, characterized in that: The Velcro fleece surface (503) is adhered to the Velcro hook surface (504).

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