A clinical displacement stent

Abstract

The present invention discloses a clinical displacement bracket, wherein a lifting column is used to adjust the height of a lower broken bone, a sliding platform can adjust the spacing of long bone cross sections, a cold light lamp is used to provide supplementary lighting for the lower side of a limb, a supporting frame is installed at the front end of the sliding platform and is rotatably connected to a swinging frame, a rotating frame is installed at the inner side of the swinging frame and forms a rotating pair, and a slewing frame is installed at the lower end of the slewing frame and forms a rotating pair, thereby realizing the lateral swing angle adjustment of the lower broken limb; a supporting arc plate is fixedly installed at the upper side of the slewing frame, two splints are rotatably installed at the upper ends of both sides of the supporting arc plate, two arc sliding bars are installed at the lower side of the supporting arc plate and form a rotating pair, the two arc sliding bars are respectively connected to the two splints through two connecting rods, and a second motor simultaneously drives the two arc sliding bars to rotate in opposite directions through a gear meshing structure, thereby enabling the two splints to fix the lower broken limb; a control system can collect stereoscopic image information of the fracture position through a medical X-ray machine, and control the displacement bracket to complete the automatic reduction of the long bone fracture.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a clinical displacement stent. Background Art

[0002] In clinical practice, long bone fractures are mostly caused by external trauma such as traffic accidents and falls from heights. When reducing the fracture, it is necessary to restore the limb length, force line and correct the rotational deformity; due to the pulling effect of the muscles, the fracture site is prone to shortening and angular displacement, so the backbone needs to be supported and the position relationship adjusted during the fracture reduction process; the traditional operation method is to use a support pad to adjust the height of the fracture site and rely on medical staff to manually reduce the backbone, which not only increases the workload of medical staff, but also is prone to reduction deviation, and it is often difficult to achieve satisfactory results; how to standardize and quantify the reduction of backbone fractures has always been a difficulty in long bone fracture reduction surgery. In view of the above situation, designing an automated clinical displacement bracket with adjustable height, adjustable angle and adjustable spacing has obvious social significance. Summary of the invention

[0003] In order to address the deficiencies of the prior art, the purpose of the present invention is to provide a clinical displacement bracket that can achieve five degrees of freedom adjustment of the space of long bone fractures, so that the fracture site can not only adjust the height and spacing, but also perform pitch, torsion and yaw adjustments, which can fully meet the needs of long bone fracture reduction.

[0004] The technical solution adopted by the present invention is: a clinical displacement bracket, characterized in that: four foot pads for supporting and leveling are installed on the lower side of the base, and a square guide cylinder with a hollow interior is vertically arranged on the upper side of the base; the lifting column is installed inside the guide cylinder and can move up and down and position, and the lifting column is used to adjust the height position of the lower broken bone; the slide is installed on the top of the lifting column, and the slide can adjust the spacing of the long bone sections; the cold light lamp is installed on the lower side of the front end of the slide through a gooseneck tube to provide fill light for the lower side of the fractured limb; the support frame is fixedly installed on the front end of the slide and is rotatably connected to the swing frame, and the two electric cylinders installed on the lower side of the support frame can drive the rotation of the swing frame, thereby realizing the pitch angle adjustment of the lower broken limb; the rotating frame is installed on the inner side of the swing frame and constitutes a rotating pair, and the first motor installed on the lower end of the swing frame drives the rotation of the rotating frame through the engagement of the first gear and the first crown rack. Thereby achieving the torsion angle adjustment of the lower broken limb; the rotating frame is installed at the lower end of the rotating frame and forms a rotating pair, and the third motor installed on the front side of the rotating frame drives the rotation of the rotating frame through the meshing of the third gear and the large gear, thereby achieving the lateral angle adjustment of the lower broken limb; the supporting arc plate is fixedly installed on the upper side of the rotating frame, and the two splints are rotatably installed on the upper ends of both sides of the supporting arc plate, and the two arc slides are installed on the lower side of the supporting arc plate and form a rotating pair, and the two arc slides are respectively connected to the two splints through two connecting rods, and the second motor installed on the lower side of the rotating frame simultaneously drives the two arc slides to rotate in opposite directions through the gear meshing structure, so that the two splints can achieve the fixation of the lower broken limb; the control system can collect three-dimensional image information of the fracture position through a medical X-ray machine, and transmit the execution data to each electrical execution component after processing the image information, thereby completing the automatic reduction of the long bone fracture.

[0005] Preferably, the slider in the slide is located at the lower side, and the slider is fixedly mounted on the upper end of the lifting column, and the slide can move forward and backward to adjust the distance between the long bone sections.

[0006] Preferably, a crown rack is provided on the side of each of the two arc slides, and the two crown racks are respectively arranged on both sides of the second gear and both form a meshing transmission, so that the second motor can simultaneously drive the two arc slides to rotate in opposite directions through the second gear.

[0007] Preferably, a rear end of the supporting arc plate is provided with a backward semicircular boss, which is located directly above the third gear to prevent the third gear from causing damage to the patient's limbs when rotating.

[0008] Preferably, three fingers are provided on the upper ends of the two splints, gaps are provided between the fingers, and the fingers of one splint correspond to the gaps on the other splint.

[0009] Preferably, the cold light lamp is a circular lamp ring structure, which can effectively avoid the formation of shadows during surgical operations.

[0010] Preferably, the gooseneck is a metal shaped hose that can be bent and oriented arbitrarily.

[0011] Preferably, a notch is provided at the upper end of the rotating frame, so that the patient's lower fractured limb can be easily placed into the inner side of the supporting arc plate through the notch.

[0012] The beneficial effects of the present invention are as follows: ① The shadowless lamp on the upper side of the operating table cannot illuminate the lower side of the limbs very well, while the cold light lamp is installed on the lower side of the front end of the slide table through a gooseneck tube, and the spatial position and illumination angle can be adjusted arbitrarily, so as to provide supplementary light for illuminating the lower side of the limbs, allowing the doctor to observe more clearly during surgery; ② The displacement bracket has five spatial degrees of freedom, wherein the lifting column can adjust the height position, the slide table can adjust the spacing of the fracture sections, the two electric cylinders can adjust the pitch angle of the lower broken bone, the first motor can adjust the torsion angle of the lower broken bone, and the third motor can adjust the yaw angle of the lower broken bone, so as to have high flexibility and enable a good reduction effect of the long bone; ③ The control system can collect three-dimensional image information of the fracture position through a medical X-ray machine, and after processing the image information, transmit the execution data to each electrical execution component, thereby completing the automatic reduction of the long bone fracture, and can realize standardized and quantitative reduction treatment of the long bone fracture, avoid the influence of human subjective factors, and also reduce the work intensity of medical staff, and has the advantages of high degree of automation and high degree of intelligence. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0014] Figure 2 It is a schematic diagram of the partially enlarged structure of the support frame position.

[0015] Figure 3 for Figure 4 Schematic diagram of the partial cross-section structure in the A-direction view.

[0016] Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure at the middle BB position.

[0017] Figure 5 It is a structural schematic diagram of the swing frame.

[0018] Figure 6 This is a schematic diagram of the structure of the rotating frame.

[0019] Figure 7 It is the structural diagram of the rotating frame.

[0020] Figure 8 Schematic diagram of the structure supporting the arc plate.

[0021] Reference numerals: 1 base, 2 guide cylinder, 3 lifting column, 4 slide, 5 support frame, 5.1 first ear, 5.3 second ear, 6 first clamping plate, 6.1 fifth ear, 7 second clamping plate, 7.1 sixth ear, 8 swing frame, 8.1 third ear, 8.2 fourth ear, 8.3 arc slide, 8.4 first mounting plate, 9 rotating frame, 9.1 arc guide rail, 9.2 first crown rack, 9.3 second mounting plate, 10 support arc plate, 10.1 first arc guide Rail, 10.2 second arc guide rail, 11 motor cover, 12 cold light lamp, 12.1 gooseneck, 13 first motor, 14 first gear, 15 second electric cylinder, 16 first electric cylinder, 17 first connecting rod, 18 rotating frame, 18.1 large gear, 18.2 make way slot, 19 second motor, 20 second connecting rod, 21 second arc slide bar, 21.1 third crown rack, 22 second gear, 23 first arc slide bar, 24 third motor, 25 third gear. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with specific embodiments. The illustrative embodiments and descriptions of the present invention are used to explain the present invention but are not intended to limit the present invention.

[0023] like Figure 1As shown, a clinical displacement bracket comprises a base 1, a guide cylinder 2, a lifting column 3, a slide 4, a support frame 5, a first clamping plate 6, a second clamping plate 7, a swing frame 8, a rotating frame 9, a supporting arc plate 10, a motor cover 11, a cold light lamp 12, a first motor 13, a first gear 14, a second electric cylinder 15, a first electric cylinder 16, a first connecting rod 17, a rotating frame 18, a second motor 19, a second connecting rod 20, a second arc slide bar 21, a second gear 22, a first arc slide bar 23, a third motor 24, and a third gear 25. The base 1 is a structure that is wide in the front and narrow in the back, and four foot pads are installed on the lower side of the base 1. The four foot pads are stably supported on the ground and can level the displacement bracket. A square guide cylinder 2 is vertically arranged on the upper side of the base 1. The interior of the guide cylinder 2 is a hollow structure, and its lower end is fixedly connected to the base 1. The lifting column 3 is a square columnar structure, and its lower end is installed inside the guide cylinder 2 and constitutes a moving pair. There is a lifting column 3 and a guide cylinder 2 between the lifting column 3 and the guide cylinder 2. It is equipped with an electric lifting structure, which can realize the up and down movement and positioning of the lifting column 3; a slider is arranged on the lower side of the slide 4, and the slider and the slide 4 form a moving pair, and the slider is fixedly installed on the top of the lifting column 3. The slide 4 is integrated with a driving motor and an encoder, and the driving motor can realize the forward and backward movement and positioning of the slide 4, and the encoder can record the position of the slide 4 and transmit the data to the control system; the cold light lamp 12 is a circular lamp ring structure, which can effectively avoid the generation of shadows during surgical operations. The cold light lamp 12 is connected to the lower end of the gooseneck tube 12.1, and the upper end of the gooseneck tube 12.1 is installed on the lower side of the front end of the slide 4. The gooseneck tube 12.1 can be bent arbitrarily and determine the direction, so that the cold light lamp 12 can adjust the spatial position and the illumination angle. Since the shadowless lamp on the upper side of the operating table cannot illuminate the lower side of the limbs well, the cold light lamp 12 can be used to supplement the illumination of the lower side of the limbs, so that the doctor can observe more clearly during surgery.

[0024] like Figure 1 , Figure 2As shown, the rear end of the support frame 5 is fixedly connected to the front end of the slide 4, two coaxial circular holes are provided on both sides of the upper end of the support frame 5, and the left and right ends of the upper side of the support frame 5 are respectively provided with a first ear 5.1 and a second ear 5.2; two coaxial circular shafts are provided on both sides of the upper end of the swing frame 8, and the two circular shafts are rotatably connected to the two circular holes on both sides of the upper end of the support frame 5, and the left and right sides of the swing frame 8 are respectively provided with a fourth ear 8.2 and a third ear 8.1, and the structure and position of the third ear 8.1 and the fourth ear 8.2 form a left and right mirror image with respect to the longitudinal vertical plane of the swing frame 8. Symmetrically, a semicircular arc groove 8.3 is provided inside the swing frame 8, and the cross-section of the arc groove 8.3 is T-shaped. A first mounting plate 8.4 is provided at the lower end of the swing frame 8; the rear end of the first electric cylinder 16 is rotatably connected to the first ear 5.1, the front end of the first electric cylinder 16 is rotatably connected to the third ear 8.1, the rear end of the second electric cylinder 15 is rotatably connected to the second ear 5.2, and the front end of the second electric cylinder 15 is rotatably connected to the fourth ear 8.2, so that the first electric cylinder 16 and the second electric cylinder 15 can realize the pitch angle adjustment of the swing frame 8 by simultaneously extending and retracting.

[0025] like Figure 2 , Figure 5 As shown, the upper end of the rotating frame 9 is provided with a notch, and the outer side of the rotating frame 9 is provided with an arc guide rail 9.1, the cross section of the arc guide rail 9.1 is T-shaped, and the size of the T-shape is the same as the T-shaped cross section of the arc slide groove 8.3, the lower side of the arc guide rail 9.1 is a disconnected structure, the rear side of the rotating frame 9 is provided with a first crown rack 9.2, the lower end of the rotating frame 9 is provided with a vertical through circular hole, and the rear side of the through circular hole is provided with a vertical second mounting plate 9.3; the rotating frame 9 is coaxially installed with the swing frame 8, and the arc guide rail 9.1 is installed in the arc slide groove 8.3 so that the rotating frame 9 and the swing frame 8 are coaxially installed. The first motor 13 is internally integrated with an encoder and a brake to achieve precise angular rotation and locking positioning. The first motor 13 is fixedly mounted on the first mounting plate 8.4 by screws. The first gear 14 is coaxially and tightly connected with the output shaft of the first motor 13, and the first gear 14 is meshed with the first crown rack 9.2 to form a gear transmission, so that the first motor 13 can drive the longitudinal axis of the rotating frame 9 to twist. The motor cover 11 is installed on the outside of the first motor 13 to beautify the appearance of the equipment and provide sealing protection for the first motor 13 and the first gear 14.

[0026] like Figure 4 , Figure 7As shown, the upper end of the rotating frame 18 is an arc structure of the longitudinal axis, and the lower side of the arc structure is provided with a left-right direction make-way slot 18.2, and a large gear 18.1 is provided in the middle position of the rotating frame 18. The rotating frame 18 is installed in the through circular hole at the lower end of the rotating frame 9 and constitutes a rotating pair; the third motor 24 is internally integrated with an encoder and a brake, which can achieve precise angular rotation and locking positioning, and the third motor 24 is fixedly installed on the second mounting plate 9.3 by screws, and the third gear 25 is coaxially and tightly connected with the output shaft of the third motor 24, and the third gear 25 is meshed with the large gear 18.1 to form a gear transmission, so that the third motor 24 can drive the vertical axis lateral rotation of the rotating frame 18; the second motor 19 is internally integrated with an encoder and a brake, which can achieve precise angular rotation and locking positioning, and the second motor 19 is fixedly installed on the lower side of the rotating frame 18, and the second gear 22 is coaxially and tightly connected with the output shaft of the second motor 19.

[0027] like Figure 3 , Figure 4 , Figure 8 As shown, the supporting arc plate 10 is an arc surface structure, and a first arc guide rail 10.1 and a second arc guide rail 10.2 with a T-shaped cross section are circumferentially arranged on the lower side thereof, and a semicircular boss facing backwards is arranged at the front end of the supporting arc plate 10. The supporting arc plate 10 is mounted on the arc surface structure at the upper end of the rotating frame 18 and the two are fastened together by screws; the first arc slide bar 23 is an arc strip-shaped structure, and a guide groove with a T-shaped cross section is arranged on the inner side thereof. The first arc slide bar 23 is mounted on the lower side of the supporting arc plate 10, and the guide groove on the inner side of the first arc slide bar 23 is installed in cooperation with the first arc guide rail 10.1, so that the first arc slide bar 23 can rotate relative to the supporting arc plate 10; a second crown rack is arranged on the left side of the first arc slide bar 23, and the second crown rack is meshed with the second gear 22 to form a gear transmission The second arc slide bar 21 is an arc strip structure, and a guide groove with a T-shaped cross section is provided on the inner side thereof. The second arc slide bar 21 is installed on the lower side of the supporting arc plate 10, and the guide groove on the inner side of the second arc slide bar 21 is installed in cooperation with the second arc guide rail 10.2, so that the second arc slide bar 21 can rotate relative to the supporting arc plate 10; a third crown rack 21.1 is provided on the right side of the second arc slide bar 21, and the third crown rack 21.1 is meshed with the second gear 22 to form a gear transmission; the first arc slide bar 23 has the same structure as the second arc slide bar 21, but is installed in opposite directions; thus, the second motor 19 can simultaneously drive the first arc slide bar 23 and the second arc slide bar 21 to rotate through the second gear 22, and the rotation directions of the first arc slide bar 23 and the second arc slide bar 21 are always opposite.

[0028] like Figure 2 , Figure 3As shown, the first clamping plate 6 is a curved surface structure, a fifth ear 6.1 is provided on the right side thereof, three fingers are provided on the upper end of the first clamping plate 6, a gap is provided between the three fingers, and the lower end of the first clamping plate 6 is rotatably connected to the right end of the supporting arc plate 10; the upper end of the first connecting rod 17 is rotatably connected to the fifth ear 6.1, and the lower end of the first connecting rod 17 is rotatably connected to the upper end of the first arc slide bar 23; the second clamping plate 7 is a curved surface structure, a sixth ear 7.1 is provided on the left side thereof, three fingers are provided on the upper end of the second clamping plate 7, a gap is provided between the three fingers, and the lower end of the second clamping plate 7 is rotatably connected to the right end of the supporting arc plate 10; The end is rotatably connected to the left end of the supporting arc plate 10; the upper end of the second connecting rod 20 is rotatably connected to the sixth ear 7.1, and the lower end of the second connecting rod 20 is rotatably connected to the upper end of the second arc slide 21; and the fingers at the upper end of the first splint 6 correspond to the gap between the fingers at the upper end of the second splint 7, and the fingers at the upper end of the second splint 7 correspond to the gap between the fingers at the upper end of the first splint 6; so that the second motor 19 can drive the clamping action of the first splint and the second splint 7 through the first arc slide 23 and the second arc slide 21, thereby realizing the fixation of the patient's lower broken limb.

[0029] Example: When a patient's long bone fracture needs to be reduced, the following steps are performed:

[0030] (1) Place the patient on the operating table and fix it, and place the fractured limb outside the operating table;

[0031] (2) placing the displacement support under the fractured limb, opening the first splint 6 and the second splint 7 outward, adjusting the height of the lifting column 3 so that the lower limb of the patient at the fractured position is placed inside the supporting arc plate 10; the second motor 19 rotates so that the first splint 6 and the second splint 7 are closed inward and fix the lower limb of the patient at the fractured position;

[0032] (3) A medical X-ray machine is used to capture images of the fracture site, and the spatial position information of the fracture site is transmitted to the control system. The control system analyzes the data and transmits the execution data to each electrical execution component, so that the lower limb at the fracture site can perform corresponding spacing adjustment, pitch angle adjustment, torsion angle adjustment and yaw angle adjustment, thereby completing the automatic reduction of the long bone fracture.

Claims

1. A clinical displacement stent, characterized in that: include: The base has four foot pads for support and leveling installed on its lower side, and a square guide cylinder with a hollow interior is vertically arranged on the upper side of the base; A lifting column is installed inside the guide cylinder and can be moved up and down and positioned. The lifting column is used to adjust the height position of the lower fractured bone; The slide is installed on the top of the lifting column, and the slide can adjust the spacing of the long bone sections; The cold light lamp is installed on the lower side of the front end of the slide through a gooseneck tube to provide supplementary light for the lower side of the fractured limb; The support frame is fixedly installed at the front end of the slide and is rotatably connected to the swing frame. Two electric cylinders installed at the lower side of the support frame can drive the swing frame to rotate, thereby realizing the pitch angle adjustment of the lower side broken limb; The rotating frame is coaxially installed with the swing frame, and the arc guide rail on the outer side of the rotating frame is installed in the arc slide groove inside the swing frame so that the rotating frame and the swing frame form a rotating pair, and the first motor installed at the lower end of the swing frame drives the rotation of the rotating frame through the engagement of the first gear and the first crown rack, thereby realizing the torsion angle adjustment of the lower side broken limb; The slewing frame is installed in the through circular hole at the lower end of the rotating frame and forms a rotating pair. The third motor installed on the front side of the rotating frame drives the rotation of the slewing frame through the meshing of the third gear and the large gear, thereby realizing the lateral swing angle adjustment of the lower side broken limb; The supporting arc plate is fixedly mounted on the upper side of the rotating frame, the two clamping plates are respectively rotatably mounted on the upper ends of both sides of the supporting arc plate, the two arc slides are mounted on the lower side of the supporting arc plate and form a rotating pair, the two arc slides are respectively connected to the two clamping plates through two connecting rods, and the second motor mounted on the lower side of the rotating frame drives the two arc slides to rotate in opposite directions at the same time through the gear meshing structure, so that the two clamping plates can fix the lower side broken limb; The control system can collect stereoscopic image information of the fracture position through a medical X-ray machine, process the image information and transmit the execution data to each electrical execution component, thereby completing the automatic reduction of the long bone fracture.

2. A clinical displacement stent according to claim 1, characterized in that: The slider in the slide is located at the lower side, and the slider is fixedly installed on the upper end of the lifting column. The slide can move forward and backward to adjust the distance between the long bone sections.

3. A clinical displacement stent according to claim 1, characterized in that: A crown rack is provided on the side of the two arc slides, and the two crown racks are respectively arranged on both sides of the second gear and both form a meshing transmission, so that the second motor can simultaneously drive the two arc slides to rotate in opposite directions through the second gear.

4. A clinical displacement stent according to claim 1, characterized in that: A backward semicircular boss is provided at the rear end of the supporting arc plate, and the semicircular boss is located directly above the third gear to prevent the third gear from causing damage to the patient's limbs when rotating.

5. A clinical displacement stent according to claim 1, characterized in that: The upper ends of the two splints are each provided with three fingers, gaps are provided between the fingers, and the fingers of one splint correspond to the gaps on the other splint.

6. A clinical displacement stent according to claim 1, characterized in that: The cold light lamp is a circular lamp ring structure, which can effectively avoid the generation of shadows during surgical operations.

7. A clinical displacement stent according to claim 1, characterized in that: The gooseneck tube is a metal shaped hose that can be bent arbitrarily and determine the direction.

8. The clinical displacement stent according to claim 1, characterized in that: A notch is provided at the upper end of the rotating frame, which can facilitate the lower fractured limb of the patient to be placed into the inner side of the supporting arc plate through the notch.

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