Fracture correction device for orthopedic surgery

Abstract

The invention relates to the technical field of bone surgery, in particular to a bone surgery fracture correction device which comprises a first support and three guide rods, the three guide rods are installed at the bottom of the first support at equal intervals in the circumferential direction and are hollow, and the inner walls of the guide rods are in threaded connection with a bone setting mechanism; left and right opposite connecting clamps are installed on the inner side of the first support and the inner side of the bone setting mechanism respectively, the first support and the inner side of the bone setting mechanism are locked through the connecting clamps and steel needles penetrating through bones, the bone setting mechanism is made to adjust the distance between fracture connecting positions, clamping devices are installed on the outer walls of the first support and the outer wall of the bone setting mechanism respectively, and one end of an adjuster is installed at the front end of each clamping device; a heating mechanism is mounted at the other end of the adjuster, and blood circulation at the fracture position is promoted through the heating mechanism; the bone setting mechanism comprises a second support. The growth space of the callus is accurately adjusted, the bone is firmer after rehabilitation, the infrared heating lamp is dynamically heated, the skin is prevented from being burnt due to continuous heating, the dynamic temperature can better promote blood circulation, and the rehabilitation period is shortened.

Description

Technical Field

[0001] The invention relates to the technical field of orthopedic surgery, in particular to a fracture correction device for orthopedic surgery. Background Art

[0002] The fracture reduction and fixation device is an instrument used for the reduction and fixation of long-tube bone fractures of the limbs. It has two functions: fixation and reduction. It is made of nylon, plastic, alloy aluminum, brass, stainless steel, etc. It consists of multiple support rods, support plates, slides, and bolts.

[0003] When fixing a fracture, holes are drilled in the bones on both sides of the fracture, and then steel pins are inserted. The support plate is then installed on the steel pins to connect the support plate to the bone. The slide can change the position of the support rod, and the support rod completes the connection of the broken bones, allowing callus to grow stably at the bone fracture.

[0004] In traditional fracture reduction and fixation devices, the adjustment of the support rod is limited to manual adjustment, which leads to inaccurate adjustment of the gap between the broken bones and unstable callus growth. In order to promote blood circulation and improve the efficiency of callus growth, it is often necessary to use infrared lamps to heat the affected area. However, infrared lamps are continuous heating and cannot achieve dynamic heating. They can easily burn the skin and are not conducive to blood circulation. Summary of the invention

[0005] The purpose of the present invention is to solve the problem that the existing gap between broken bones cannot be adjusted and dynamic heating cannot be performed.

[0006] The present invention achieves the above-mentioned purpose through the following technical scheme: a fracture correction device for orthopedic surgery, comprising a first bracket and three guide rods, the three guide rods are equidistantly installed at the bottom of the first bracket along the circumferential direction, and the guide rods are hollow, the inner wall of the guide rods is screwed with a bone setting mechanism, the first bracket and the inner side of the bone setting mechanism are both installed with left and right opposite connecting clamps, which are locked with steel needles penetrating the bone through the connecting clamps, so that the bone setting mechanism can adjust the distance between the fracture joints, the first bracket and the outer wall of the bone setting mechanism are both installed with a clamp, one end of the regulator is installed at the front end of the clamp, and the other end of the regulator is installed with a heating mechanism, and the blood circulation at the fracture is promoted by the heating mechanism; The bone setting mechanism includes a second bracket, three screws are installed on the top of the second bracket along the circumferential direction through bearings, and the screws are engaged with the guide rod threads. When the screws rotate clockwise or counterclockwise, the screws drive the second bracket to rise or fall. A positioning nut is screwed on the bottom end of the outer wall of one of the screws, and a knob is installed on the bottom end of another screw. A rotatable outer tooth ring is installed in the inner cavity of the second bracket, and a gear meshing with the outer tooth ring is installed on the bottom end of the screw. The screw is rotated through the transmission of gears and external gear rings, changing the length between the screw and the guide rod, thereby accurately adjusting the gap between the broken bones.

[0007] Specifically, an anti-slip surface is provided on the lower surface of the second bracket opposite to the positioning nut.

[0008] Specifically, the three screw rods are distributed on the second bracket with a difference of 120 degrees.

[0009] Specifically, the heating mechanism includes a shell, a motor is installed on the front side of the shell, a transmission component and a moving component are installed in the inner cavity of the shell from front to back, an anti-drying component is installed at the bottom of the output end of the moving component, and the motor provides power to the transmission component, so that the transmission component drives the moving component to drive the anti-drying component to move up and down.

[0010] Specifically, the transmission assembly includes two sprockets installed at the upper and lower ends of the rear side of the inner cavity of the shell, and one of the sprockets is driven by a motor, and the outer wall of the sprocket is chain-connected with a chain.

[0011] Specifically, the moving assembly includes two slide rails installed on the left and right sides of the inner cavity of the shell, the outer wall of the slide rail is sleeved with a slide plate that can slide up and down, the front of the slide plate is horizontally provided with a slideway, the inner cavity of the slide plate is plugged with a slider, and the slider is connected to the chain through a pin shaft, and the slider is pulled to move by the chain, and an infrared heating lamp is installed on the rear side of the slide plate, and the infrared heating lamp is used to heat the affected area to promote blood circulation; The slider is pulled by the chain to move, so that the slider slides in the slideway, and the slider pulls the slide plate to reciprocate up and down, so that the infrared baking lamp performs dynamic heating.

[0012] Specifically, the length of the slideway is greater than the transverse width of the chain.

[0013] Specifically, the anti-drying component includes a water tank screwed to the bottom of the skateboard, and an oscillator is installed at the bottom of the rear side of the water tank. Ultrasonic waves are used to make the oscillator oscillate at high frequency to atomize water to prevent the skin of the affected area from drying out.

[0014] The beneficial effects of the present invention are: 1. The present invention uses gears and an outer gear ring to drive the three screws to rotate synchronously. The lengths of the screws and guide rods can be extended or shortened, and the callus growth space can be accurately adjusted to make the bones stronger after recovery. 2. The present invention drives the sprocket to rotate through a motor, and the chain pulls the slider to move. While the slider slides in the slideway, it can also pull the slide plate to move back and forth along the slide rail. The infrared baking lamp performs dynamic heating to prevent skin burns caused by continuous heating. The dynamic temperature can better promote blood circulation and shorten the recovery period. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a schematic diagram of the structure of the bone setting mechanism; Figure 3 It is a top view cross-sectional view of the bone setting mechanism; Figure 4 is a schematic diagram of the connecting clip structure; Figure 5 It is a schematic diagram of the structure of the clamp and the regulator; Figure 6 Exploded diagram of the mechanism to promote blood circulation; Figure 7 for Figure 6 Enlarged view of point A in the middle.

[0016] In the figure: 1. first bracket; 2. guide rod; 3. bone setting mechanism; 4. connecting clamp; 5. clamp; 6. regulator; 7. heating mechanism; 31. second bracket; 32. screw; 33. positioning nut; 34. knob; 35. outer gear ring; 36. gear; 41. sleeve; 42. slide rod; 43. first positioning bolt; 44. second positioning bolt; 51. clamp; 52. third positioning bolt; 61. telescopic rod; 62. damping pause shaft; 71. housing; 72. motor; 73. transmission assembly; 74. moving assembly; 75. anti-drying component; 731. sprocket; 732. chain; 741. slide rail; 742. skateboard; 743. slideway; 744. infrared baking lamp; 745. slider; 751. water tank; 752. oscillator. DETAILED DESCRIPTION

[0017] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the preferred implementation scheme of the present invention is further described below in conjunction with specific implementation schemes and accompanying drawings.

[0018] See also Figure 1-Figure 7 The present invention provides a bone fracture correction device for orthopedic surgery, comprising a first bracket 1 and three guide rods 2, wherein the three guide rods 2 are equidistantly installed at the bottom of the first bracket 1 along the circumferential direction, and the guide rods 2 are hollow, and a bone setting mechanism 3 is screwed on the inner wall of the guide rod 2, and left and right opposite connecting clamps 4 are installed on the inner sides of the first bracket 1 and the bone setting mechanism 3, and the connecting clamps 4 are locked with the steel needles penetrating the bone, so that the bone setting mechanism 3 can adjust the distance between the fracture joints, and the outer walls of the first bracket 1 and the bone setting mechanism 3 are installed with a clamp 5, and one end of the regulator 6 is installed at the front end of the clamp 5, and a heating mechanism 7 is installed at the other end of the regulator 6, and the blood circulation at the fracture is promoted by the heating mechanism 7; The heating mechanism 7 includes a second bracket 31, and three screws 32 are installed on the top of the second bracket 31 along the circumferential direction through bearings, and the screws 32 are threadedly engaged with the guide rod 2. When the screws 32 rotate clockwise or counterclockwise, the screws 32 drive the second bracket 31 to rise or fall. A positioning nut 33 is screwed on the bottom end of the outer wall of one of the screws 32, and a knob 34 is installed at the bottom end of the other screw 32. A rotatable outer tooth ring 35 is installed in the inner cavity of the second bracket 31, and a gear 36 meshing with the outer tooth ring 35 is installed at the bottom end of the screw 32.

[0019] The connecting clip 4 includes a sleeve 41 installed on the inner wall of the first bracket 1 and the second bracket 31, and the upper and lower ends of the inner cavity of the sleeve 41 are plugged with a slide rod 42, and the outer wall of the slide rod 42 is provided with a through hole sleeved on the inserted bone steel needle, and the upper and lower ends of the outer wall of the sleeve 41 are screwed with a first positioning bolt 43, which is screwed and pressed against the outer wall of the slide rod 42 to position the slide rod 42, and the outer wall of the slide rod 42 is screwed with a second positioning bolt 44, which is screwed and pressed against the outer wall of the steel needle to connect the slide rod 42 with the steel needle; The clamp 5 comprises a clamp 51 which can be sleeved on the outer wall of the first bracket 1 and the second bracket 31, and a third positioning bolt 52 is screwed on the outer wall of the clamp 51. When the third positioning bolt 52 is screwed, the clamp 51 is positioned; The regulator 6 includes one end of a telescopic rod 61 connected to the front of the clip 51 through a pin shaft, and the other end of the telescopic rod 61 is installed with a damping pause shaft 62. The damping pause shaft 62 controls the rotation angle of the telescopic rod 61. When the telescopic rod 61 is extended or shortened, the distance between the heating mechanism 7 and the affected part is changed, thereby controlling the heating temperature.

[0020] As a preferred solution, further, the lower surface of the second bracket 31 and the surface opposite to the positioning nut 33 are provided with an anti-slip surface to increase the friction when the positioning nut 33 contacts the second bracket 31, so that the braking of the screw rod 32 is more stable.

[0021] As a preferred solution, further, the three screw rods 32 are distributed on the second bracket 31 at a difference of 120 degrees, and the triangular support can disperse and balance the force when subjected to force, reduce the concentration of force on a single point, and thus improve the overall stability.

[0022] As a preferred solution, further, the heating mechanism 7 includes a shell 71, and the outer wall of the shell 71 is connected to the damping pause shaft 62, a motor 72 is installed on the front of the shell 71, and a transmission component 73 and a moving component 74 are installed in the inner cavity of the shell 71 from front to back, and an anti-drying component 75 is installed at the bottom of the output end of the moving component 74. The motor 72 provides power to the transmission component 73, so that the transmission component 73 drives the moving component 74 to drive the anti-drying component 75 to move up and down.

[0023] As a preferred solution, further, the transmission assembly 73 includes two sprockets 731 installed at the upper and lower ends of the rear side of the inner cavity of the shell 71, and one of the sprockets 731 is driven by the motor 72, and the outer wall of the sprocket 731 is chain-connected with a chain 732.

[0024] As a preferred embodiment, further, the moving component 74 includes two slide rails 741 installed on the left and right sides of the inner cavity of the shell 71, the outer wall of the slide rail 741 is sleeved with a slide plate 742 that can slide up and down, a slideway 743 is horizontally opened on the front of the slide plate 742, a slider 745 is inserted into the inner cavity of the slide plate 743, and the slider 745 is connected to the chain 732 through a pin shaft, and the slider 745 is moved by being pulled by the chain 732, and an infrared heating lamp 744 is installed on the rear side of the slide plate 742, and the infrared heating lamp 744 is used to heat the affected area to promote blood circulation.

[0025] As a preferred solution, further, the length of the slide 743 is greater than the lateral width of the chain 732, so that the slider 745 has enough room to move in the slide 743 to prevent the chain 732 from affecting the movement of the slider 745.

[0026] As a preferred embodiment, further, the anti-drying component 75 includes a water tank 751 screwed to the bottom of the slide plate 742, and an oscillator 752 is installed at the bottom of the rear side of the water tank 751. Ultrasonic waves are used to make the oscillator 752 oscillate at high frequency to atomize water to prevent the skin of the affected area from drying out.

[0027] Working principle: Step 1: The slide bar 42 is sleeved on the steel needle, and the slide bar 42 is locked by the second positioning bolt 44, and then the slide bar 42 is locked by the first positioning bolt 43, so that the first bracket 1 and the second bracket 31 are connected to the steel needle; Step 2: Turn the knob 34. Under the transmission condition of the gear 36 and the outer gear ring 35, the three screws 32 rotate synchronously, and the length between the guide rod 2 and the screw 32 becomes larger or smaller, so as to change the distance between the fractured bones, allowing the callus to grow at the optimal distance and improve the callus growth effect; Step 3: Put the clip 51 on the first bracket 1 and the second bracket 31, let the heating mechanism 7 face the wound, lock it by the third positioning bolt 52, change the length of the telescopic rod 61, and adjust the distance between the infrared heating lamp 744 and the wound under the condition of damping pause rotation and braking of the rotating shaft 62; Step 4, drive the sprocket 731 to rotate through the motor 72, and at the same time, the chain 732 pulls the slider 745 to move. When the slider 745 moves to the outside of the sprocket 731, the slider 745 slides left and right in the slideway 743. Since the left and right sides of the chain 732 move in opposite directions, the slider 745 pulls the slide plate 742 to slide up and down on the slide rail 741. The infrared baking lamp 744 circulates heat to the injured area to prevent the local temperature from being too high and burning the skin. The dynamic temperature can promote blood circulation.

[0028] The technical features of the above embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

Claims

1. A bone fracture correction device for orthopedic surgery, comprising a first bracket (1) and three guide rods (2), wherein the three guide rods (2) are equidistantly mounted at the bottom of the first bracket (1) along the circumferential direction, and the guide rods (2) are hollow, characterized in that: The inner wall of the guide rod (2) is screwed with a bone setting mechanism (3); the first bracket (1) and the inner side of the bone setting mechanism (3) are both provided with connecting clamps (4) opposite to each other on the left and right sides; the connecting clamps (4) are locked with the steel needles penetrating the bone, so that the bone setting mechanism (3) can adjust the distance between the fracture joints; the outer walls of the first bracket (1) and the bone setting mechanism (3) are both provided with a clamp (5); the front end of the clamp (5) is provided with one end of a regulator (6); the other end of the regulator (6) is provided with a heating mechanism (7); the heating mechanism (7) is used to promote blood circulation at the fracture site; The bone setting mechanism (7) comprises a second bracket (31), three screw rods (32) are installed on the top of the second bracket (31) along the circumferential direction through bearings, and the screw rods (32) are threadedly engaged with the guide rod (2). When the screw rods (32) rotate clockwise or counterclockwise, the screw rods (32) drive the second bracket (31) to rise or fall, a positioning nut (33) is threadedly connected to the bottom end of the outer wall of one of the screw rods (32), and a knob (34) is installed at the bottom end of the other screw rod (32). A rotatable outer toothed ring (35) is installed in the inner cavity of the second bracket (31), and a gear (36) meshingly connected to the outer toothed ring (35) is installed at the bottom end of the screw rod (32).

2. The bone fracture correction device according to claim 1, characterized in that: An anti-slip surface is provided on the lower surface of the second bracket (31) and the surface opposite to the positioning nut (33).

3. The bone fracture correction device according to claim 2, characterized in that: The three screw rods (32) are distributed on the second bracket (31) at intervals of 120 degrees.

4. The bone fracture correction device according to claim 3, characterized in that: The temperature raising mechanism (7) comprises a housing (71), a motor (72) being mounted on the front of the housing (71), a transmission assembly (73) and a moving assembly (74) being mounted on the inner cavity of the housing (71) from front to back, respectively, and an anti-drying component (75) being mounted on the bottom of the output end of the moving assembly (74), the motor (72) providing power to the transmission assembly (73), so that the transmission assembly (73) drives the moving assembly (74) to drive the anti-drying component (75) to move up and down.

5. The bone fracture correction device according to claim 4, characterized in that: The transmission assembly (73) comprises two sprocket wheels (731) mounted at upper and lower ends of the rear side of the inner cavity of the housing (71), one of the sprocket wheels (731) being driven by a motor (72), and the outer wall of the sprocket wheel (731) is chain-connected with a chain (732).

6. The bone fracture correction device according to claim 5, characterized in that: The moving assembly (74) comprises two slide rails (741) mounted on the left and right sides of the inner cavity of the housing (71); a slide plate (742) capable of sliding up and down is sleeved on the outer wall of the slide rail (741); a slideway (743) is transversely provided on the front of the slide plate (742); a slider (745) is inserted into the inner cavity of the slideway (743); the slider (745) is connected to the chain (732) via a pin shaft; the slider (745) is moved by being pulled by the chain (732); an infrared heating lamp (744) is mounted on the rear side of the slide plate (742); the infrared heating lamp (744) is used to heat the affected area to promote blood circulation.

7. The bone fracture correction device according to claim 6, characterized in that: The length of the slideway (743) is greater than the transverse width of the chain (732).

8. The bone fracture correction device according to claim 7, characterized in that: The anti-drying component (75) comprises a water storage tank (751) screwed to the bottom of the slide plate (742), and an oscillator (752) is installed at the bottom of the rear side of the water storage tank (751). Ultrasonic waves are used to cause the oscillator (752) to vibrate at a high frequency, thereby atomizing water and preventing the skin of the affected area from drying out.

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