CN108992295A - A kind of Multifunctional adjustable fixator for fracture reduction - Google Patents

Abstract

The invention discloses a kind of Multifunctional adjustable fixator for fracture reduction, it is related to the field of medical instrument technology, the present invention includes operating table, the both ends of operating table top are respectively arranged with support frame A and support frame B, support frame A is vertically connected with two telescoping mechanisms and a connecting rod, connecting rod is between two telescoping mechanisms, telescoping mechanism is respectively connected with telescopic rod, two telescopic rods and the other end of connecting rod both pass through support frame B, arc-shaped guide rail frame A is connected between two telescoping mechanisms, arc-shaped guide rail frame B is connected between two telescopic rods, there are two guide sliding bases for sliding setting on arc-shaped guide rail frame A and arc-shaped guide rail frame B, sliding is provided with a guide sliding base A between support frame A and support frame B in connecting rod, sliding is provided with a guide sliding base B between support frame A and support frame B in connecting rod, slide guide Kirschner wire is provided with below seat A and guide sliding base B, the present invention has the advantages that simple structure, accurate positioning, operation wound are small.

Description

A multifunctional adjustable fracture reduction and fixation device

technical field

The invention relates to the technical field of medical devices, and more specifically relates to a multifunctional adjustable fracture reduction and fixation device.

Background technique

Medical devices refer to instruments, equipment, utensils, in vitro diagnostic reagents and calibrators, materials, and other similar or related items that are directly or indirectly used on the human body, including required computer software. The effect is mainly obtained through physical means, not through pharmacological, immunological or metabolic means, or although these means are involved but only play an auxiliary role, the purpose is the diagnosis, prevention, monitoring, treatment or alleviation of diseases; the diagnosis of injury , monitoring, treatment, alleviation or functional compensation; examination, replacement, adjustment or support of physiological structures or physiological processes; life support or maintenance; pregnancy control; providing information for medical or diagnostic purposes by examining samples from the human body.

There are a variety of medical devices for fracture treatment depending on the site of use, the most common of which is the fracture reduction forceps, which can be applied to open reduction and internal fixation of long bone fractures, such as humeral fractures, femoral orthopedics and other long bone fractures, but in operating fractures During the reduction forceps, when the fracture ends are reset and fixed through the Kirschner on the fracture reduction forceps, due to manual positioning and lack of guiding effect, there is always a certain human error. After the reduction is completed, the fracture ends are easy to shift. When making the Kirschner wire to fix the fracture end, it is not stable enough and not accurate enough.

Therefore, how to solve the above technical problems is of great practical significance to those skilled in the art.

Contents of the invention

The purpose of the present invention is: in order to solve the technical problem that the existing fracture reduction forceps have low precision when resetting and fixing the broken end of the fracture, resulting in the easy displacement of the broken end of the fracture after reduction, the present invention provides a multifunctional adjustable fracture Reset fixtures.

The present invention specifically adopts the following technical solutions in order to achieve the above object:

A multifunctional adjustable fracture reduction and fixation device, including an operating table, two ends of the top of the operating table are respectively provided with a support frame A and a support frame B parallel to each other, and the support frame A is vertically connected with two telescopic mechanisms and a connecting rod. The connecting rod is located between the two telescopic mechanisms, and the telescopic mechanism is connected with a telescopic rod. The other ends of the two telescopic rods and the connecting rod pass through the support frame B. The mechanism is connected with an arc-shaped guide rail frame A located below the two telescopic mechanisms through a support rod, and the two telescopic rods are connected with an arc-shaped guide rail frame B located below the two telescopic rods through a support rod. Parallel to the support frame A, two guide slide seats A are slidably arranged on the arc guide rail frame A and the arc guide rail frame B, and a guide slide seat between the support frame A and the support frame B is slidably provided on the connecting rod B, the bottoms of slide guide seat A and guide slide seat B are hinged with mounting plates through two connecting rods, and Kirschner wires are arranged on the mounting plates.

Further, both ends of the arc-shaped rail frame A and the arc-shaped rail frame B are provided with rotating shafts, and the rotating shafts are movably connected with adjusting rods, and the lower ends of the adjusting rods are provided with sliders that can slide along the side ends of the operating table. The rod can move up and down in the slider, the side end of the operating table is provided with a guide chute matching with the corresponding slider, and the outside of the slider is provided with an adjustment wrench for pressing the corresponding adjustment rod.

Further, the telescopic mechanism is a telescopic hydraulic cylinder or a telescopic air cylinder.

Further, an electric rotor for driving the corresponding Kirschner wire to rotate is arranged on the mounting plate.

Further, both the arc-shaped rail frame A and the arc-shaped rail frame B are provided with a number of evenly distributed angle scale lines.

Further, the telescopic rod is evenly distributed with a number of interval scale lines located between the arc-shaped rail frame A and the arc-shaped rail frame B.

Further, the operating table includes a supporting table and an operating bed arranged on the top of the supporting table, the supporting frame A and the supporting frame B are arranged on the upper end of the operating table, a hydraulic jack is arranged inside the supporting table, and the piston rod of the hydraulic jack is connected to the bottom of the operating table .

Working principle: when the present invention resets and fixes the broken end of the fracture, under the action of two telescopic mechanisms, the telescopic rod can be driven to slide back and forth in the support frame B, thereby driving the arc-shaped guide rail frame B connected between the two telescopic rods to approach Or stay away from the arc-shaped guide rail frame A, so as to adjust the distance between the arc-shaped rail frame A and the arc-shaped rail frame B, and make the arc-shaped rail frame A and the arc-shaped rail frame B be in the Proper position, combined with the CT scan of the patient, according to the angle that the Kirschner wire needs to be fixed, control the guide slide seat A and the Kirschner wire as a whole to slide along the arc-shaped path on the arc-shaped guide rail frame A until the arc-shaped guide rail is adjusted The angle between the two Kirschner wires on frame A, the angle adjustment method of the two Kirschner wires on the arc guide rail frame B is the same as the above operation, and then control the sliding seat B to slide to a suitable position on the connecting rod Finally, the five Kirschner wires are aimed at the fixed position of the fracture, and then the Kirschner wires are driven to rotate under the action of electrorotation, so that the Kirschner wires are driven into the fixed position of the fracture to realize the fixation operation of the broken end of the fracture.

The beneficial effects of the present invention are as follows:

1. When resetting and fixing the broken end of the fracture, under the action of two telescopic rods, the arc guide rail frame B is driven close to or away from the arc rail frame A, so as to adjust the distance between the arc rail frame A and the arc rail frame B. According to the fixed position of the Kirschner wire, the arc guide rail frame A and the arc rail frame B are in a suitable position, the adjustment is stable, and the error is small, and then cooperate with the CT scan of the patient to fix according to the Kirschner wire needs Control the guide slide seat A and the Kirschner wires as a whole to slide along the arc-shaped route on the arc-shaped guide rail frame A until the angle between the two Kirschner wires on the arc-shaped rail frame A is adjusted, and the arc-shaped guide rail The angle adjustment method of the two Kirschner wires on frame B is the same as the above operation, and then control the guide slide B to slide to a suitable position on the connecting rod. Function, to avoid manual errors, accurate positioning, use five Kirschner wires to aim at the fixed position of the fracture, and then drive the Kirschner wires to rotate under the action of electric rotation, so that the Kirschner wires can be driven into the fixed position of the fracture to realize the fixation operation of the broken end of the fracture. After the final reduction, the broken end of the fracture is not easily displaced, and the surgical trauma is small, which greatly improves the therapeutic effect of the patient.

2. Both ends of the arc-shaped rail frame A and the arc-shaped rail frame B are provided with rotating shafts, and the rotating shafts are movably connected with adjusting rods. It can move up and down in the slider. The side end of the operating table is provided with a guide groove that matches the corresponding slider. An adjustment wrench is provided on the outside of the slider for pressing the corresponding adjustment rod. Through the rotating shaft, the arc guide rail frame A or The arc guide rail frame B is flipped back and forth for fine adjustment, and the overall height of the arc rail frame A or arc rail frame B can be adjusted by moving the adjustment rod up and down, and then the adjustment rod can be fixed by the adjustment wrench, which is convenient for surgical operation , through the slider at the lower end of the adjustment rod, the arc-shaped rail frame A or arc-shaped rail frame B can be driven to slide along the length direction of the operating table, and the position relationship can be adjusted in advance according to the needs of the operation. It has complete functions and is easy to adjust.

3. The telescopic mechanism is a telescopic hydraulic cylinder or a telescopic air cylinder, which pulls or pushes the telescopic rod through the telescopic hydraulic cylinder or telescopic air cylinder, which is convenient and quick to operate and has a high degree of automation.

4. There are several evenly distributed angle scale lines on the arc guide frame A and the arc guide rail frame B. When adjusting the angle between the two Kirschner wires on the arc guide rail frame A or arc guide rail frame B When using the angle scale line as the quantification standard, the angle between the two Kirschner wires can be adjusted more accurately. There are a number of space scale lines between the arc-shaped rail frame A and the arc-shaped rail frame B evenly distributed on the telescopic rod , the distance scale line indicates the distance between the arc-shaped guide rail frame A and the arc-shaped guide rail frame B, and the distance scale line is used as the quantification standard, thereby improving the adjustment accuracy.

5. The operating table includes a support table and an operating bed set on the top of the support table. Both the support frame A and the support frame B are set on the top of the operating table. A hydraulic jack is installed inside the support table, and the piston rod of the hydraulic jack is connected to the bottom of the operating table. The lifting of the operating bed can be controlled by the hydraulic jack, thereby adjusting the height and position of the operating bed, and it is convenient to lift the patient onto the operating bed. It has a high degree of automation, convenient operation and strong practicability.

Description of drawings

Fig. 1 is a schematic structural view of a multifunctional adjustable fracture reduction and fixation device of the present invention;

Fig. 2 is a top view structural schematic diagram of a multifunctional adjustable fracture reduction and fixation device of the present invention;

Fig. 3 is a partial sectional structural schematic diagram of the operating table.

Reference signs: 1-operating table, 1.1-support table, 1.2-operating bed, 2-support frame A, 3-support frame B, 4-telescopic mechanism, 5-connecting rod, 6-telescopic rod, 7-arc Rail frame A, 8-curved rail frame B, 9-slide seat A, 10-slide seat B, 11-Kirschner wire, 12-electric rotation, 13-angle scale line, 14-spacing scale line, 15- Hydraulic jack, 16-mounting plate, 17-rotating shaft, 18-adjusting rod, 19-slider, 20-adjusting wrench, 21-guide chute.

Detailed ways

In order for those skilled in the art to better understand the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and the following embodiments.

Example 1

As shown in Figures 1 to 2, the present embodiment provides a multifunctional adjustable fracture reduction and fixation device, which includes an operating table 1, and the two ends of the top of the operating table 1 are respectively provided with a support frame A2 and a support frame B3 parallel to each other. The frame A2 is vertically connected with two telescopic mechanisms 4 and a connecting rod 5, the connecting rod 5 is located between the two telescopic mechanisms 4, the telescopic mechanism 4 is connected with a telescopic rod 6, and the other ends of the two telescopic rods 6 and the connecting rod 5 are all worn Through the support frame B3, the two telescopic rods 6 and the connecting rod 5 can slide in the support frame B3. The rod is connected with the arc guide rail frame B8 positioned at the bottom of the two telescopic rods 6, the arc rail frame A7 and the arc rail frame B8 are all parallel to the support frame A2, and the arc rail frame A7 and the arc rail frame B8 are all slidably provided with Two slide guide seats A9, a guide slide seat B10 between the support frame A2 and the support frame B3 is slidably arranged on the connecting rod 5, and the bottoms of the guide slide seat A9 and the guide slide seat B10 are hinged and installed by two connecting rods. Both the plate 16 and the mounting plate 16 are provided with Kirschner wires 11 , and the mounting plate 16 is provided with an electric rotor 12 for driving the corresponding Kirschner wires 11 to rotate.

In this embodiment, when the broken end of the fracture is reset and fixed, the arc guide rail frame B is driven close to or away from the arc rail frame A under the action of the two telescopic rods, so as to adjust the arc guide rail frame A and the arc guide rail The distance between the frames B is based on the fixed position of the Kirschner wire, so that the arc rail frame A and the arc rail frame B are in a suitable position, the adjustment is stable, and the error is small, and then cooperate with the CT scan of the patient, according to the Kirschner The angle of the needle needs to be fixed. Control the sliding seat A and the Kirschner wire as a whole to slide along the arc-shaped route on the arc-shaped rail frame A until the angle between the two Kirschner wires on the arc-shaped rail frame A is adjusted. The angle adjustment method of the two Kirschner wires on the arc guide rail frame B is the same as the above operation, and then control the guide slide seat B to slide to a proper position on the connecting rod, and the arc guide rail frame A and the arc rail frame B are opposite to Kirschner's The needle has a guiding function, avoiding manual errors, and accurate positioning. Five Kirschner wires are used to aim at the fracture fixation position, and then the Kirschner wires are driven to rotate under the action of electrorotation, so that the Kirschner wires can be driven into the fracture fixation position to realize the fixation of the fracture end. Fixed operation, the broken end of the fracture after the final reduction is not easy to shift, the operation trauma is small, and the treatment effect of the patient is greatly improved.

Example 2

As shown in Figures 1 to 2, this embodiment is further optimized on the basis of Embodiment 1, specifically, both ends of the arc guide rail frame A7 and the arc rail frame B8 are provided with a rotating shaft 17, and the rotating shaft 17 are all movably connected with an adjustment rod 18, the lower end of the adjustment rod 18 is covered with a slide block 19 that can slide along the side end of the operating table 1, the adjustment rod 18 can move up and down in the slide block 19, and the side end of the operation table 1 is provided with a corresponding The sliding block 19 cooperates with a sliding guide groove 21 , and an adjusting wrench 20 for pressing the corresponding adjusting rod 18 is arranged on the outer side of the sliding block 19 .

In this embodiment, the arc-shaped rail frame A or arc-shaped rail frame B can be flipped back and forth through the rotating shaft for fine adjustment, and at the same time, the overall height of the arc-shaped rail frame A or arc-shaped rail frame B can be adjusted by moving the adjustment lever up and down , and then use the adjustment wrench to fix the adjustment rod, which is convenient for surgical operation. The slider at the lower end of the adjustment rod can drive the arc-shaped rail frame A or arc-shaped rail frame B to slide along the length of the operating table. The positional relationship can be adjusted, the functions are complete, and the adjustment is convenient.

Example 3

As shown in Figures 1 to 2, this embodiment is further optimized on the basis of Embodiment 1, specifically, the telescopic mechanism 4 is a telescopic hydraulic cylinder or a telescopic air cylinder.

In this embodiment, the telescopic rod is pulled or pushed by the telescopic hydraulic cylinder or the telescopic air cylinder, which is convenient and quick to operate and has a high degree of automation.

Example 4

As shown in Figures 1 to 2, this embodiment is further optimized on the basis of Embodiment 1, specifically, a number of evenly distributed angle scale lines 13 are arranged on the arc guide rail frame A7 and the arc rail frame B8 , the telescopic rod 6 is evenly distributed with some spacing scale marks 14 between the arc guide rail frame A7 and the arc guide rail frame B8.

In this embodiment, when adjusting the included angle between the two Kirschner wires on the arc-shaped rail frame A or arc-shaped rail frame B, the angle scale line is used as the quantification standard to more accurately adjust the angle between the two Kirschner wires. The angle between them, the distance scale line indicates the distance between the arc guide rail frame A and the arc guide rail frame B, and the distance scale line is used as the quantification standard, thereby improving the adjustment accuracy.

Example 5

As shown in Figures 1 to 3, this embodiment is further optimized on the basis of Embodiment 1. Specifically, the operating table 1 includes a support table 1.1 and an operating bed 1.2 arranged on the top of the support table 1.1, a support frame A2 and The supporting frames B3 are all set on the upper end of the operating bed 1.2, and the supporting table 1.1 is provided with a hydraulic jack 15, and the piston rod of the hydraulic jack 15 is connected to the bottom of the operating bed 1.2.

In this embodiment, the lifting and lowering of the operating bed can be controlled by the hydraulic jack, thereby adjusting the height of the operating bed, making it easy to lift the patient onto the operating bed, with a high degree of automation, convenient operation, and strong practicability.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. The scope of patent protection of the present invention is subject to the claims. Any equivalent structural changes made by using the description and accompanying drawings of the present invention, All should be included in the protection scope of the present invention in the same way.

Claims (7)

1. a kind of Multifunctional adjustable fixator for fracture reduction, including operating table (1), which is characterized in that at the top of operating table (1) Both ends be respectively arranged with support frame A (2) and support frame B (3) parallel to each other, support frame A (2) be vertically connected with two it is flexible Mechanism (4) and a connecting rod (5), between two telescoping mechanisms (4), telescoping mechanism (4) is respectively connected with flexible connecting rod (5) The other end of bar (6), two telescopic rods (6) and connecting rod (5) both passes through support frame B (3), and two telescopic rods (6) and connecting rod (5) are equal It sliding, two telescoping mechanisms (4) can be led by the arc that strut is connected with below two telescoping mechanisms (4) in support frame B (3) Rail gantry A (7), two telescopic rods (6) are connected with the arc-shaped guide rail frame B (8) below two telescopic rods (6) by strut, and arc is led Rail gantry A (7) and arc-shaped guide rail frame B (8) are parallel with support frame A (2), on arc-shaped guide rail frame A (7) and arc-shaped guide rail frame B (8) There are two sliding settings guide sliding base A (9), and sliding is provided with one positioned at support frame A (2) and support frame B (3) in connecting rod (5) Between guide sliding base B (10), guide sliding base A (9) and guide sliding base B (10) bottom pass through two connecting rods and be hinged with mounting plate (16), Kirschner wire (11) are provided on mounting plate (16).

2. a kind of Multifunctional adjustable fixator for fracture reduction according to claim 1, which is characterized in that arc-shaped guide rail The both ends of frame A (7) and arc-shaped guide rail frame B (8) are provided with rotation axis (17), and rotation axis (17) is connected with adjusting rod (18), adjusting rod (18) lower end is arranged with the sliding block (19) that can be slided along operating table (1) side, and adjusting rod (18) can be in sliding block (19) it is moved up and down in, operating table (1) side offers and the guide runner (21) of corresponding sliding block (19) cooperation, sliding block (19) outside It is provided with the adjusting spanner (20) for compressing corresponding adjusting rod (18).

3. a kind of Multifunctional adjustable fixator for fracture reduction according to claim 1, which is characterized in that telescoping mechanism It (4) is telescopic hydraulic cylinder or telescopic cylinder.

4. a kind of Multifunctional adjustable fixator for fracture reduction according to claim 1, which is characterized in that mounting plate (16) it is provided with the electricity for driving corresponding Kirschner wire (11) to rotate on and turns (12).

5. a kind of Multifunctional adjustable fixator for fracture reduction according to claim 4, which is characterized in that arc-shaped guide rail Several uniformly distributed angle index lines (13) are provided on frame A (7) and arc-shaped guide rail frame B (8).

6. a kind of Multifunctional adjustable fixator for fracture reduction according to claim 5, which is characterized in that telescopic rod (6) several spaced scale lines (14) between arc-shaped guide rail frame A (7) and arc-shaped guide rail frame B (8) are evenly equipped on.

7. according to claim 1 to a kind of Multifunctional adjustable fixator for fracture reduction described in any claim in 6, It is characterized in that, operating table (1) includes the operating bed (1.2) of supporting table (1.1) and setting at the top of supporting table (1.1), support frame A (2) and support frame B (3) is arranged at operating bed (1.2) upper end, and supporting table (1.1) is internally provided with hydraulic jack (15), liquid The piston rod of pressure jack (15) is connected to operating bed (1.2) bottom.