A fixation bracket for lower limb fracture rehabilitation

By designing a lower limb fracture fixing stent that is easy to disassemble and assemble, using high-strength alloy material and deployable contact device, the problems of inconvenience and infection risk in the field environment are solved, and the effect of rapid fixation and reduction of infection risk is achieved.

CN118806506BActive Publication Date: 2025-03-11XUZHOU CENT HOSPITAL
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Patent Information

Application Number
CN202411261805.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-09-10
Publication Date
2025-03-11
Estimated Expiration
2044-09-10

AI Technical Summary

Technical Problem

In the wild environment, the injured are unable to carry professional fracture fixation stents and often use undisinfected branches and ropes to fix them, resulting in an increased risk of infection at the fracture site and affecting the rehabilitation effect.

Method used

A lower limb fracture fixing bracket is designed for easy disassembly and assembly. It uses a fixed link made of high-strength alloy material and a deployable contact device, combined with a tightening belt and adhesive strip to achieve stable fixation of the fractured limb and avoid direct contact of the wound to reduce the risk of infection.

Benefits of technology

The device can quickly fix the fractured limb, avoid secondary injury and infection risks, improve rehabilitation effect, and due to its modular design, it takes up a small space and is easy to carry.

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Abstract

The present invention relates to the technical field of medical equipment. The present application discloses a fixing bracket for lower limb fracture rehabilitation, including connecting devices. The connecting devices are in two groups, and one group is composed of four connecting devices, which are distributed in a circular array. A tightening belt is sleeved on the position near the bottom of the connecting device, and the tightening belt connects a group of four connecting devices in series in the same way. The outer surface of the tightening belt is provided with an adhesive strip. When the two sides of the tightening belt are fitted and fixed, the tightening belt is in a tightened state and fixes the connecting device to the patient's limb. The connecting device is placed on the surface of the limb, and one end of the connecting device with an inner installation hole is close to the skin. At this time, the tightening belt passes through the outer installation hole and the inner installation hole and is tightened. When the tightening belt is tightened, it will be in close contact with the patient's skin, thereby hindering the blood flow inside the limb, thereby preventing a large amount of blood from flowing out through the trauma, achieving a hemostatic effect, and improving the practicality of the device.
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Description

Technical Field

[0001] The present application relates to the technical field of medical equipment, and in particular to a fixation bracket for rehabilitation of lower limb fractures. Background Art

[0002] Workers who often work in the wild or in primitive environments, or people who often go on outdoor adventures, may encounter accidents, be hit or fall, and suffer limb fractures, accompanied by trauma and bleeding. At this time, the fractured limbs need to be fixed. Since professional fracture fixation brackets are large in size, in order to ensure sufficient other materials, they often do not carry professional fracture fixation brackets, but use branches and ropes to directly fix the fractured limbs. Since the branches in the wild are not fully disinfected, it is easy to cause secondary infection of the fracture wound, affecting the subsequent rehabilitation problem. In this regard, the present application document proposes a fixation bracket for lower limb fracture rehabilitation, aiming to solve the above-mentioned problems. Summary of the invention

[0003] The present application proposes a fixation bracket for rehabilitation of lower limb fractures, which has the advantages of being easy to disassemble and assemble and taking up little space for storage, and is used to solve the problem that traditional fixation brackets for rehabilitation of lower limb fractures are large in size and inconvenient to store.

[0004] To achieve the above-mentioned purpose, the present application adopts the following technical solution: a fixed bracket for lower limb fracture rehabilitation, including a connecting device, the number of the connecting devices is two groups, and one group is composed of four connecting devices, and is distributed in a circular array. A tightening belt is provided on the inner part of the connecting device near the bottom, and the tightening belt connects a group of four connecting devices in series in the same way. An adhesive strip is provided on the outer surface of the tightening belt. When the two sides of the tightening belt are fitted and fixed, the tightening belt is in a tightened state and fixes the connecting device to the patient's limb.

[0005] Specifically, fixed blocks are fixedly installed on both sides of the connecting device near the top, a connecting rod seat is fixedly installed on one end of the fixed block, and a fixed connecting rod is provided inside the connecting rod seat. The fixed connecting rod is made of high-strength alloy material, is not easy to bend, and is used to support the joint at the fracture.

[0006] Furthermore, the connecting device includes a connecting seat, and contact devices are sleeved on the bottom of the connecting seat near the front and back sides, and the contact devices are in contact with human skin after being unfolded.

[0007] Specifically, a travel hole is opened at a position near the top of one side of the connecting seat, a telescopic hole is opened at the bottom of the travel hole, a travel rod is fixedly installed at the bottom of the telescopic hole, and mounting inner holes are opened at positions near the bottom on both sides of the connecting seat.

[0008] Specifically, the telescopic hole is provided with a telescopic device in an internal movable sleeve, and the telescopic device is provided with a fixing device in an internal movable sleeve.

[0009] Furthermore, the contact device includes a contact plate, a connecting shaft is fixedly installed at a position near both ends of the bottom back of the contact plate, the connecting shaft is movably mounted on a connecting seat, and an outer mounting hole and a top mounting hole are respectively opened at a position near the top and bottom of the front side of the contact plate, the outer mounting hole and the top mounting hole are both used to connect and fix the connecting rod, and when the contact plate is in a closed state, the outer mounting hole and the inner mounting hole are in a corresponding state.

[0010] Specifically, the fixed card block is fixedly arranged inside the mounting outer hole, and strip side grooves are respectively opened at positions between the mounting outer holes on the back of the contact plate. There are two strip side grooves, and sliding grooves are opened on both sides of the inner wall of the strip side groove. The sliding grooves are movably installed with the fixing device.

[0011] Furthermore, the telescopic device includes a telescopic frame, and a first telescopic tube and a second telescopic tube are fixedly installed in the inner cavity of the telescopic frame, respectively. The first telescopic tube and the second telescopic tube are both distributed in an array along a straight line direction, and the first telescopic tube and the second telescopic tube are alternately distributed with each other. The first telescopic tube and the travel rod are movably mounted, and the telescopic frame can move up and down along the axial direction of the travel rod.

[0012] Specifically, a first return spring is clamped at the bottom of the first telescopic tube. The first return spring is located on the outside of the travel rod and fixedly connected to the bottom of the telescopic hole. When the telescopic frame is forced to move downward, the first return spring is compressed and stores elastic force. After the telescopic frame loses the downward force, the elastic force stored in the first return spring will drive the telescopic frame to reset.

[0013] Specifically, the interior of the second telescopic tube is movably sleeved with the fixing device.

[0014] Furthermore, the fixing device includes a travel seat, and when the tightening belt passes through the top of the travel seat and is tightened, it drives the travel seat to move downward.

[0015] Specifically, a matching rod is fixedly installed at the bottom of the travel seat, and there are two matching rods. The matching rod is movably sleeved inside the second telescopic tube. A second return spring is clamped at a position on the outside of the matching rod at the bottom of the travel seat. The bottom of the second return spring is clamped with the second telescopic tube. The function of the second return spring is the same as that of the first return spring, which is used to store elastic force and drive the travel seat to reset.

[0016] Specifically, a coupling seat is fixedly installed at both ends of the bottom of the travel seat near the front and rear sides, and the inner movable sleeve of the coupling seat is provided with a pneumatic telescopic rod. A rod slide seat is fixedly installed at the bottom of the pneumatic telescopic rod, and the rod slide seat is movably installed inside the slide groove.

[0017] This application has the following beneficial effects.

[0018] When a patient has a fracture and is accompanied by traumatic bleeding, the tightening belt comes into contact with the skin after being tightened, squeezing the blood vessels and thereby obstructing the blood flow, thereby achieving the effect of stopping bleeding. At this time, there is a height difference between the fixed connection and the limb, and it will not come into contact with the wound, thereby avoiding the risk of infection and improving the post-recovery effect. When the patient has a fracture but no trauma, the contact device can be unfolded. At this time, the tightening belt will not come into contact with the skin after being tightened, and the contact device is unfolded and comes into contact with the skin, thereby not obstructing the blood flow of the limb and avoiding the problem of limb ischemia and necrosis. At the same time, the device can be disassembled for storage, takes up little space, is easy to carry, and does not occupy the storage space of other items. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings, which constitute a part of the specification, illustrate embodiments disclosed in the present application and, together with the description, serve to explain the principles disclosed in the present application.

[0020] The present disclosure may be more clearly understood from the following detailed description with reference to the accompanying drawings, in which:

[0021] Figure 1 It is a schematic diagram of the structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the structural connecting rod of the present invention;

[0023] Figure 3 The structural connection device of the present invention;

[0024] Figure 4 It is a cross-sectional view of the structural connection device of the present invention;

[0025] Figure 5 This is a main diagram of the structural connection device of the present invention;

[0026] Figure 6 It is a cross-sectional view of the main body of the structural connection device of the present invention;

[0027] Figure 7 It is a front view of the structural contact device of the present invention;

[0028] Figure 8 It is a back view of the structural contact device of the present invention;

[0029] Fig. 9 This is a diagram of the structural telescopic device of the present invention;

[0030] Fig.10 It is a cross-sectional view of the structural telescopic device of the present invention;

[0031] Fig.11 This is a diagram of the structural fixing device of the present invention;

[0032] Fig.12It is a schematic diagram of the structural connection device of the present invention after being unfolded.

[0033] In the figure; 1. connecting device; 11. connecting seat; 12. contact device; 121. contact plate; 122. connecting shaft; 123. mounting outer hole; 124. mounting top hole; 125. strip side groove; 126. slide groove; 13. travel hole; 14. telescopic hole; 15. travel rod; 16. mounting inner hole; 17. telescopic device; 171. telescopic frame; 172. first telescopic tube; 173. second telescopic tube; 174. first return spring; 18. fixing device; 181. travel seat; 182. matching rod; 183. second return spring; 184. coupling seat; 185. pneumatic telescopic rod; 186. slide seat with rod; 2. tightening belt; 3. fixing block; 4. connecting rod seat; 5. fixing connecting rod. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0035] A fixation support for lower limb fracture rehabilitation, see Figure 1-Figure 2 , including connecting devices 1, the number of connecting devices 1 is two groups, and one group is composed of four connecting devices 1, and they are distributed in a circular array. A tightening belt 2 is provided near the bottom of the connecting device 1, and the tightening belt 2 connects a group of four connecting devices 1 in series in the same way. The outer surface of the tightening belt 2 is provided with an adhesive strip. When the two sides of the tightening belt 2 are fitted and fixed, the tightening belt 2 is in a tightened state and fixes the connecting device 1 to the patient's limb.

[0036] See also Figure 1-Figure 2 A fixed block 3 is fixedly installed on both sides of the connecting device 1 near the top, and a connecting rod seat 4 is fixedly installed at one end of the fixed block 3. A fixed connecting rod 5 is provided in the internal fixed sleeve of the connecting rod seat 4. The fixed connecting rod 5 is made of high-strength alloy material, is not easy to bend, and is used to support the joint at the fracture.

[0037] See also Figure 3-Figure 6 The connecting device 1 comprises a connecting seat 11, and contact devices 12 are sleeved on the bottom of the connecting seat 11 near the front and back sides. The contact devices 12 are in contact with human skin after being unfolded.

[0038] See also Figure 3-Figure 6A travel hole 13 is provided on one side of the connecting seat 11 near the top, a telescopic hole 14 is provided at the bottom of the travel hole 13, a travel rod 15 is fixedly installed at the bottom of the telescopic hole 14, and mounting inner holes 16 are provided on both sides of the connecting seat 11 near the bottom.

[0039] See also Figure 3-Figure 6 The telescopic hole 14 is movably sleeved with a telescopic device 17 , and the telescopic device 17 is movably installed with a fixing device 18 .

[0040] The device has a high degree of modularity and is easy to disassemble. The connecting device 1, the tightening belt 2 and the fixing link 5 can be disassembled and stored in categories, thereby occupying a smaller storage space and can be quickly assembled when in use. This is convenient for field workers or explorers who suffer fractures in unexpected situations, as they can quickly fix the fractured limbs to avoid secondary injuries, thereby improving the convenience of using the device.

[0041] See also Figure 2 , Figure 5 , Figure 7-Figure 8 The contact device 12 includes a contact plate 121, and a connecting shaft 122 is fixedly installed at a position near the two ends of the bottom back of the contact plate 121. The connecting shaft 122 is movably mounted on the connecting seat 11. An outer mounting hole 123 and a top mounting hole 124 are respectively opened at a position near the top and the bottom of the front side of the contact plate 121. The outer mounting hole 123 and the top mounting hole 124 are both used to connect and fix the connecting rod 5. When the contact plate 121 is in a closed state, the outer mounting hole 123 and the inner mounting hole 16 are in a corresponding state.

[0042] See also Figure 4 and Figure 7-Figure 8 The fixed block 3 is fixedly arranged inside the mounting outer hole 123, and strip side grooves 125 are respectively provided at positions between the mounting outer holes 123 on the back side of the contact plate 121. There are two strip side grooves 125, and both sides of the inner wall of the strip side groove 125 are provided with sliding grooves 126, which are movably installed with the fixing device 18.

[0043] When a patient has a fracture and is accompanied by traumatic bleeding, the connecting device 1 can be placed on the surface of the limb, and the end of the connecting device 1 with the mounting inner hole 16 is close to the skin. At this time, the tightening belt 2 passes through the mounting outer hole 123 and the mounting inner hole 16 and is tightened. When the tightening belt 2 is tightened, it will fit tightly against the patient's skin, thereby hindering the blood flow inside the limb, thereby preventing a large amount of blood from flowing out through the trauma, achieving a hemostatic effect, and improving the practicality of the device.

[0044] When the tightening belt 2 passes through the mounting outer hole 123 and the mounting inner hole 16 for tightening, the fixing block 3 is installed inside the mounting top hole 124. Due to the height difference between the mounting outer hole 123 and the mounting top hole 124, after the fixing block 3 is fixed, there is a distance between the fixing connecting rod 5 and the fractured limb, thereby avoiding direct contact between the fixing connecting rod 5 and the open wound, thereby reducing the risk of wound infection, improving the recovery effect, and improving the reliability of the device.

[0045] See also Figure 5 and Figure 9-10 The telescopic device 17 includes a telescopic frame 171, and the inner cavity of the telescopic frame 171 is fixedly installed with a first telescopic tube 172 and a second telescopic tube 173, respectively. The first telescopic tube 172 and the second telescopic tube 173 are both arranged in an array along a straight line direction, and the first telescopic tube 172 and the second telescopic tube 173 are alternately arranged. The first telescopic tube 172 is movably mounted on the travel rod 15, and the telescopic frame 171 can move up and down along the axial direction of the travel rod 15.

[0046] See also Figure 5 and Figure 9-10 A first return spring 174 is clamped at the bottom of the first telescopic tube 172. The first return spring 174 is located on the outside of the travel rod 15 and is fixedly connected to the bottom of the telescopic hole 14. When the telescopic frame 171 is forced to move downward, the first return spring 174 is compressed and stores elastic force. After the telescopic frame 171 loses the downward force, the elastic force stored in the first return spring 174 will drive the telescopic frame 171 to reset.

[0047] See also Figure 4 and Figure 9-10 The interior of the second telescopic tube 173 is movably mounted on the fixing device 18 .

[0048] See also Figure 1 and Fig.11 The fixing device 18 includes a travel seat 181. When the tightening belt 2 passes through the top of the travel seat 181 and is tightened, it will drive the travel seat 181 to move downward.

[0049] See also Figure 9-11 A matching rod 182 is fixedly installed at the bottom of the travel seat 181. There are two matching rods 182. The matching rods 182 are movably sleeved inside the second telescopic tube 173. A second return spring 183 is clamped at a position outside the matching rod 182 at the bottom of the travel seat 181. The bottom of the second return spring 183 is clamped with the second telescopic tube 173. The function of the second return spring 183 is the same as that of the first return spring 174, which is used to store elastic force and drive the travel seat 181 to reset.

[0050] See also Figure 8 and Fig.11A coupling seat 184 is fixedly installed at both ends of the bottom of the travel seat 181 near the front and rear sides, and a pneumatic telescopic rod 185 is movably sleeved on the inner side of the coupling seat 184. A rod slide 186 is fixedly installed at the bottom of the pneumatic telescopic rod 185, and the rod slide 186 is movably installed inside the slide groove 126.

[0051] When the patient has no external injuries at the fracture site, the contact device 12 can be deployed (eg Fig.12 ), when the connecting device 1 is placed on the patient's skin surface, the front side of the contact plate 121 in the unfolded state fits against the patient's skin to prevent displacement and loose fixation. At this time, the tightening belt 2 passes through the top of the travel seat 181. When the tightening belt 2 is in the tightened state, it will drive the travel seat 181 to move downward, and the pneumatic telescopic rod 185 is extended under the action of air pressure, so that the rod slide 186 slides to one end inside the slide groove 126 and presses against the contact plate 121, avoiding the problem that the contact plate 121 cannot fit tightly against the skin and slides, resulting in loose fixation, thereby improving the stability of the device. In addition, at this time, the tightening belt 2 will not directly contact the skin after being tightened, and will not cause problems with poor blood circulation.

[0052] The method of use of the present invention is as follows:

[0053] When the patient's fracture site is traumatic and accompanied by bleeding, the connecting device 1 can be placed on the surface of the limb, and the end of the connecting device 1 with the mounting inner hole 16 is close to the skin. At this time, the tightening belt 2 passes through the mounting outer hole 123 and the mounting inner hole 16 and is tightened. When the tightening belt 2 is tightened, it will be in close contact with the patient's skin, thereby hindering the blood flow inside the limb, thereby preventing a large amount of blood from flowing out through the trauma, achieving a hemostatic effect. When the tightening belt 2 passes through the mounting outer hole 123 and the mounting inner hole 16 for tightening, the fixing block 3 is installed inside the mounting top hole 124. Due to the height difference between the mounting outer hole 123 and the mounting top hole 124, there is a distance between the fixing connecting rod 5 and the fractured limb after the fixing block 3 is fixed, thereby avoiding direct contact between the fixing connecting rod 5 and the open wound, thereby reducing the risk of wound infection.

[0054] When there is no external injury at the patient's fracture, the contact device 12 can be unfolded at this time, and the connecting device 1 is placed on the patient's skin surface. The front side of the contact plate 121 in the unfolded state is in contact with the patient's skin to prevent displacement and loose fixation. At this time, the tightening belt 2 passes through the top of the travel seat 181. When the tightening belt 2 is in a tightened state, it will drive the travel seat 181 to move downward, and the pneumatic telescopic rod 185 is extended under the action of air pressure, so that the rod slide 186 slides to one end inside the slide groove 126 and presses the contact plate 121, avoiding the problem that the contact plate 121 cannot fit tightly against the skin and slides, resulting in loose fixation, thereby improving the stability of the device.

[0055] The device has a high degree of modularity and is easy to disassemble. The connecting device 1, the tightening belt 2 and the fixing link 5 can be disassembled and stored in categories, thereby occupying a smaller storage space and can be quickly assembled when in use. This is convenient for field workers or explorers who suffer fractures in unexpected situations, as they can quickly fix the fractured limbs to avoid secondary injuries.

Claims

1. A fixation support for lower limb fracture rehabilitation, characterized in that: The invention comprises a connecting device (1), wherein the connecting devices (1) are in two groups, and one group is composed of four connecting devices (1) and is arranged in a circular array. A tightening belt (2) is sleeved at a position near the bottom of the connecting device (1), and the tightening belt (2) connects a group of four connecting devices (1) in series in the same way. An adhesive strip is arranged on the outer surface of the tightening belt (2). Fixed blocks (3) are fixedly installed at positions near the top of both sides of the connecting device (1). A connecting rod seat (4) is fixedly installed at one end of the fixed block (3). A fixed connecting rod (5) is fixedly sleeved inside the connecting rod seat (4). The connecting device (1) comprises a connecting seat (11). Contact devices (12) are sleeved at positions near the front and back of the bottom of the connecting seat (11). A travel hole (13) is opened at a position near the top of one side of the connecting seat (11). A telescopic hole (14) is opened at the bottom of the travel hole (13). A travel rod (15) is fixedly installed at the bottom of the telescopic hole (14). Mounting inner holes (16) are provided at positions near the bottom on both sides of the connection seat (11); a telescopic device (17) is movably sleeved inside the telescopic hole (14); a fixing device (18) is movably installed inside the telescopic device (17); the contact device (12) comprises a contact plate (121); a connecting shaft (122) is fixedly installed at positions near both ends of the bottom of the back side of the contact plate (121); the connecting shaft (122) is movably sleeved with the connection seat (11); the front side of the contact plate (121) An outer mounting hole (123) and an upper mounting hole (124) are respectively provided at positions near the top and the bottom, and a fixed block (3) is fixedly arranged inside the outer mounting hole (123). A strip-shaped side groove (125) is respectively provided at positions between the outer mounting holes (123) on the back of the contact plate (121), and the number of the strip-shaped side grooves (125) is two. Slide grooves (126) are provided on both sides of the inner wall of the strip-shaped side groove (125), and the slide grooves (126) are movably installed with the fixing device (18).

2. A fixation support for lower limb fracture rehabilitation according to claim 1, characterized in that: The telescopic device (17) comprises a telescopic frame (171), wherein a first telescopic tube (172) and a second telescopic tube (173) are fixedly mounted in an inner cavity of the telescopic frame (171), wherein the first telescopic tube (172) and the second telescopic tube (173) are arranged in an array along a straight line direction, wherein the first telescopic tube (172) and the second telescopic tube (173) are arranged alternately with each other, wherein the first telescopic tube (172) is movably sleeved with the travel rod (15), wherein a first return spring (174) is clamped at the bottom of the first telescopic tube (172), wherein the first return spring (174) is located at the outer side of the travel rod (15) and is fixedly connected to the bottom of the telescopic hole (14), and wherein the interior of the second telescopic tube (173) is movably sleeved with the fixing device (18).

3. A fixation support for lower limb fracture rehabilitation according to claim 2, characterized in that: The fixing device (18) comprises a travel seat (181), a matching rod (182) is fixedly installed at the bottom of the travel seat (181), the number of the matching rods (182) is two, the matching rods (182) are movably sleeved inside the second telescopic tube (173), a second return spring (183) is clamped at a position of the bottom of the travel seat (181) located outside the matching rod (182), the bottom of the second return spring (183) is clamped with the second telescopic tube (173), a coupling seat (184) is fixedly installed at positions near the front and rear sides of the bottom of the travel seat (181), a pneumatic telescopic rod (185) is movably sleeved inside the coupling seat (184), a rod slide seat (186) is fixedly installed at the bottom of the pneumatic telescopic rod (185), and the rod slide seat (186) is movably installed inside the slide groove (126).

Citation Information

Patent Citations

  • Fixing frame for orthopedics department

    CN218420174U