Nail taking device and method for clinical orthopedics department

Abstract

The invention belongs to the technical field of orthopedic nail taking, and particularly relates to a clinical orthopedic nail taking device which comprises a bottom plate, supporting blocks are fixedly connected to the four corners of the bottom of the bottom plate, a left-right penetrating type containing groove is formed in the center of the top of the bottom plate, and a protective pad is fixedly connected to the interior of the containing groove. Fixing blocks are fixedly connected to the left side and the right side of the front portion of the top of the bottom plate, bandages are fixedly connected to the left side and the right side of the rear portion of the top of the bottom plate, the front ends of the bandages penetrate through the fixing blocks, and hook-and-loop fasteners are fixedly installed on the bandages; when a nail is taken out, the limiting plate and the limiting pad can be continuously attached to an affected limb for limiting, so that the affected limb can be better limited when the nail is taken out, the nail taking process can be more stably carried out, pain suffered by a patient in the nail taking process can be reduced, and the working efficiency of the patient is improved. Meanwhile, the limiting pad made of a medical sponge material is used for absorbing blood and the like discharged in the nail taking process, and the situation that the blood and the like flow out in the nail taking process and are inconvenient to treat is avoided.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of bone screw removal, and in particular to a clinical bone screw removal device and method. BACKGROUND

[0002] In clinical orthopedic surgery, screw removal is a common operation step. As the patient's fractured bone gradually heals, the internal fixation screw, steel plate or screw implanted during the operation needs to be removed at the appropriate time to restore the patient's normal activity ability and quality of life. However, most of the existing clinical orthopedic screw removal devices are manually used to pull out the screw with a screw extractor, and the patient's screw removal site cannot be fixed, which can affect the subsequent screw removal operation.

[0003] Patent application CN111888175A discloses a bone screw removal device, which comprises a bottom support mechanism, a screw removal mechanism and a fixing mechanism. The bottom support mechanism comprises a bottom plate and two square support frames. The screw removal mechanism comprises two arc-shaped guide rails, two first sliding sleeves, a cross beam, a threaded guide sleeve, a threaded sleeve rod, a circular block, a threaded rod, two handles and a handle. The invention is designed to pull out the screw in an inclined state, which can avoid causing secondary injury to the patient, has good safety performance, has a fixing function, can fix the patient's affected limb, can avoid the patient's affected limb movement during the screw removal process, has good screw removal effect, has a waste liquid collection function, can collect the blood flowing from the patient's affected limb during the screw removal process, can avoid the blood flowing everywhere and being difficult to clean, and has a lighting function to facilitate the medical staff to obtain a clear operation field of view.

[0004] However, the above-mentioned technology often has the following defects: although the existing device can fix the patient's affected limb, it is not convenient to fix the position of the affected limb for screw removal, which can still affect the screw removal, and it is not convenient to alleviate the pain of the patient during screw removal, so that the use effect of the device is not good. Therefore, the present application provides a clinical orthopedic screw removal device and method. SUMMARY

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background art.

[0006] The technical scheme adopted by the application to solve its technical problems is: a clinical orthopedic screw removal device according to the application, comprising a bottom plate, wherein the bottom plate is fixedly connected with a support block at each of the four corners of the bottom plate. The bottom plate top center is provided with left and right through type placing groove, the placing groove is fixedly connected with the protective pad inside, the bottom plate top front left and right sides are fixedly connected with the fixed block, the bottom plate top rear left and right sides are fixedly connected with the bandage, the bandage front end penetrates the fixed block, the bandage is fixedly installed with the magic tape; The bottom plate is provided with a moving assembly, the moving assembly top extends to the bottom plate top, the moving assembly top is provided with an arc-shaped frame, the arc-shaped frame is provided with a connecting block inside through an adjusting assembly, and the connecting block is provided with a nail taking assembly.

[0007] Preferably, the moving assembly comprises an installation slot opened in the rear of the bottom plate, a motor is fixedly installed on the left side of the installation slot, a threaded rod two is fixedly connected to the output end of the motor, the right end of the threaded rod two is rotationally connected to the right side of the installation slot through a bearing one, an internally threaded sleeve block is threadedly connected to the outer surface of the threaded rod two, guide grooves are opened in the front and rear of the bottom plate top, the rear guide groove communicates with the installation slot inside, guide blocks are slidably connected in the guide grooves, and the front and rear of the bottom of the arc-shaped frame are fixedly connected to the top of the two guide blocks, respectively.

[0008] Preferably, the adjusting assembly comprises an adjusting slot opened in the center of the arc-shaped frame and penetrating through, limiting grooves are opened in the front and rear surfaces of the adjusting slot and penetrating through, limiting blocks are rotationally connected in the limiting grooves, the two limiting blocks are fixedly connected with the connecting block, adjusting bolts are threadedly connected to the sides, away from the center of the adjusting slot, of the two limiting blocks, and one end of the adjusting bolt, away from the center of the adjusting slot, extends to the outside of the arc-shaped frame.

[0009] Preferably, the nail taking assembly comprises a threaded rod one penetrating through the center of the connecting block, a handle plate is fixedly connected to the top end of the threaded rod one, the threaded rod one is rotationally connected with the connecting block through a bearing two, an internally threaded sleeve is threadedly connected to the lower surface of the threaded rod, a clamping assembly is arranged on the bottom of the internally threaded sleeve, two opposite connecting plates are fixedly connected to the upper surface of the internally threaded sleeve, a limiting rod is slidably arranged in the connecting plate, the top end of the limiting rod is fixedly connected with the bottom of the connecting block, and a limiting assembly is arranged on the bottom of the connecting plate.

[0010] Preferably, the clamping assembly comprises an inner groove opened below the inner threaded sleeve, the inner lower surface of the inner groove extends to the outer surface of the inner threaded sleeve, the front and rear surfaces of the inner groove are both provided with through mounting holes, a bidirectional screw rod is rotatably connected between the two mounting holes through a bearing, the rear end of the bidirectional screw rod extends to the outer surface of the inner threaded sleeve, a handle is fixedly connected to the rear end of the bidirectional screw rod, vertical plates are threadedly connected to the front and rear surfaces of the outer surface of the bidirectional screw rod, the vertical plates are slidably connected with the inner groove, clamping plates are fixedly connected to the bottom of the vertical plates, a clamping groove in the shape of an arc is opened in the inner part of the clamping plate, and clamping pads made of rubber are fixedly connected to the inner part of the clamping groove.

[0011] Preferably, the limiting assembly comprises a horizontal plate fixedly connected to the bottom of the connecting plate, the limiting rod penetrates through the horizontal plate, the limiting rod is slidably connected with the horizontal plate, the bottom of the horizontal plate is fixedly connected with a vertical rod, a connecting rod is mounted on the lower surface of the outer surface of the vertical rod through a connecting assembly, an arc-shaped limiting plate is mounted on the bottom end of the connecting rod through a mounting assembly, a slot is opened in the bottom of the limiting plate, a limiting pad is inserted into the slot, and the limiting pad is made of medical sponge material.

[0012] Preferably, the connecting assembly comprises a sliding groove opened in the inner part of the connecting rod, an extrusion block is slidably connected in the inner part of the sliding groove, a damper is fixedly mounted between the extrusion block and the sliding groove, a spring one is sleeved on the outer surface of the damper, and the spring one is fixedly connected between the extrusion block and the sliding groove, the bottom end of the vertical rod extends to the inner part of the sliding groove, and the bottom end of the vertical rod is fixedly connected with the extrusion block.

[0013] Preferably, the mounting assembly comprises a groove opened in the inner part of the connecting rod below and in a penetrating manner, clamping grooves are opened in the left and right sides of the inner part of the groove, an installation rod is arranged in the inner part of the groove, the bottom end of the installation rod is fixedly connected with the limiting plate, a through groove is opened in the inner part of the installation rod, sliding blocks are slidably connected to the left and right sides of the inner part of the through groove, a spring two is fixedly connected between the two sliding blocks, one side of the sliding block away from the center of the inner part of the through groove extends to the outer surface of the installation rod, a clamping block is fixedly connected to the side of the sliding block away from the center of the inner part of the through groove, the clamping block is clamped in the clamping groove, and the outer surface of the clamping block and the inner part of the clamping groove are both arranged in an arc shape.

[0014] A clinical orthopedic nail taking method, which adopts the clinical orthopedic nail taking device, comprises the following steps: S1, the bottom plate is placed stably through the supporting block, and after the bottom plate is placed stably, the affected limb needing to take out the nail is placed on the protective pad in the placing groove, and the binding belt penetrates through the fixed block and is pasted through the magic tape; S2, the threaded rod two is driven to rotate by the motor energization, and the rotation of the threaded rod two drives the inner threaded sleeve block and the guide block to move, and the arc-shaped frame can be moved to be adjusted to be in the same vertical plane with the nail taking position, then the connecting block is adjusted to rotate in the arc-shaped frame, and the clamping plate and the clamping pad are corresponding to the nail; S3, the threaded rod one is rotated by rotating the handle plate, and the threaded rod one drives the inner threaded sleeve to move downward through the sliding connection of the connecting plate and the limiting rod, and the clamping plate and the clamping pad are moved to the nail head end; S4, the inner threaded sleeve and the connecting plate are moved by the rotation of the threaded rod one, at the same time, the horizontal plate, the vertical rod and the connecting rod and the limiting plate can be moved, and after the limiting plate moves, the limiting pad is first attached to both sides of the part where the nail is taken, and when the limiting pad is attached to both sides of the nail taking part, the limiting plate stops moving, then the horizontal plate drives the vertical rod to extrude the extrusion block in the connecting rod, and the extrusion block extrudes the damper and the spring one; S5, the two vertical plates are moved by rotating the handle of the two-way screw rod, and after the two vertical plates move, the two clamping plates and the clamping pads clamp the nail head end, then the inner threaded sleeve is moved by reversing the threaded rod one, and the clamping plate and the clamping pad are moved to take the nail; S6, the limiting plate and the limiting pad can always press the part where the nail is taken when the horizontal plate and the vertical rod move during the nail taking process by the rebound force of the spring one, and the blood and the like during the nail taking process can be absorbed and treated by the limiting pad of the medical sponge material, and the patient can be buffered and protected during the nail taking; S7, when the nail taking is finished, the nail can be lowered for collection and treatment by reversing the two-way screw rod, and the clamping block in the clamping groove is extruded by moving the limiting plate, and when the clamping block moves out of the clamping groove, the limiting plate and the limiting pad can be disassembled, then the limiting pad inserted in the limiting plate can be removed, so that the limiting pad is convenient to disassemble and replace.

[0015] The beneficial effects of the application are as follows: 1. The nail taking device and method for clinical orthopedics, when the nail is taken, the inner threaded sleeve moves upward to drive the connecting plate, the horizontal plate and the vertical rod to move, the movement of the vertical rod drives the extrusion block to move, and the position of the connecting rod is fixed, so that the limiting plate and the limiting pad can keep the state of being attached to the affected limb, so that the affected limb can be better limited during the nail taking, and the nail taking process can be more stable, and the pain of the patient during the nail taking process can be reduced.

[0016] 2. The device and method for taking out nails in clinical orthopedics, wherein the spring one is still in the state of being extruded during the movement of the extrusion block, and the impact during the process of taking out nails is buffered by the rebound force of the spring one being extruded, and the limiting pad of medical sponge material can protect the bones and soft tissues of the patient from excessive mechanical impact and reduce the pain during the process of taking out nails of the affected limb. BRIEF DESCRIPTION OF DRAWINGS

[0017] The application will be further described below in combination with the drawings.

[0018] Figure 1 is a perspective view of the application; Figure 2 is a right view of the application; Figure 3 is a partial right sectional view of the application; Figure 4 is Figure 3 is an enlarged view of A in the figure; Figure 5 is Figure 3 is an enlarged view of B in the figure; Figure 6 is a partial front sectional view of the application; Figure 7 is Figure 6 is an enlarged view of C in the figure; Figure 8 is a partial back sectional view of the application; Figure 9 is a method flow chart of the application.

[0019] In the figure: 1, bottom plate; 2, fixed block; 3, bandage; 4, protection pad; 5, arc-shaped frame; 6, adjusting groove; 7, limiting groove; 8, connecting block; 9, threaded rod one; 10, adjusting bolt; 11, internally threaded sleeve; 12, connecting rod; 13, limiting plate; 14, limiting block; 15, vertical rod; 16, limiting rod; 17, connecting plate; 18, horizontal plate; 19, guide groove; 20, guide block; 21, inner groove; 22, bidirectional screw rod; 23, vertical plate; 24, clamping plate; 25, clamping pad; 26, extrusion block; 27, damper; 28, spring one; 29, sliding groove; 30, limiting pad; 31, recess; 32, clamping groove; 33, clamping block; 34, sliding block; 35, mounting rod; 36, mounting groove; 37, threaded rod two; 38, internally threaded sleeve block; 39, motor; 40, spring two. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects realized by the application easy to understand, the application will be further described below in combination with specific embodiments.

[0021] For example, Figures 1 to 8As shown, the device for taking out nails in clinical orthopedics comprises a bottom plate 1, four support blocks are fixedly connected to the bottom plate 1 at four corners of the bottom plate 1, A left-right through type placing groove is formed at the top center of the bottom plate 1, a protective pad 4 is fixedly connected inside the placing groove, a fixing block 2 is fixedly connected to the top front left and right sides of the bottom plate 1, a bandage 3 is fixedly connected to the top rear left and right sides of the bottom plate 1, the front end of the bandage 3 penetrates through the fixing block 2, and a magic tape is fixedly installed on the bandage 3. A moving assembly is arranged on the bottom plate 1, the moving assembly extends to the top of the bottom plate 1, an arc-shaped frame 5 is arranged at the top of the moving assembly, a connecting block 8 is arranged inside the arc-shaped frame 5 through an adjusting assembly, and a nail taking-out assembly is arranged on the connecting block 8; in operation, first, the bottom of the support block is attached to a flat placing surface to make the device stable, then the limb of the patient that needs to take out nails is placed on the protective pad 4 inside the placing groove, the patient can be more comfortable after the limb is placed through the protective pad 4, then the bandage 3 penetrates through the fixing block 2, the bandage 3 is pasted through the magic tape after penetrating through the fixing block 2, the bandage 3 is positioned by being bound to the limb, then the nail taking-out assembly on the connecting block 8 is corresponded to the nails that need to be taken out through the operation of the moving assembly and the adjusting assembly, so that the subsequent nail taking-out operation is facilitated, the nail taking-out assembly is adjusted to adapt to the nails at different positions of the limb to be taken out, and the device is convenient to use.

[0022] As a preferred embodiment of the present application, the moving assembly comprises an installation groove 36 formed at the rear of the bottom plate 1, a motor 39 is fixedly installed at the left side inside the installation groove 36, a threaded rod two 37 is fixedly connected to the output end of the motor 39, the right end of the threaded rod two 37 is rotationally connected to the right side inside the installation groove 36 through a bearing one, an internally threaded sleeve block 38 is threadedly connected to the outer surface of the threaded rod two 37, a guide groove 19 is formed at the top front and rear of the bottom plate 1, the rear guide groove 19 is communicated with the inside of the installation groove 36, a guide block 20 is slidably connected inside the guide groove 19, the top of the front and rear of the arc-shaped frame 5 is fixedly connected to the top of the two guide blocks 20, and the rear guide block 20 is fixedly connected to the internally threaded sleeve block 38; in operation, the motor 39 is energized to make the motor 39 work, the threaded rod two 37 is rotated after the motor 39 works, the internally threaded sleeve block 38 is moved in the limit of sliding of the guide block 20 inside the guide groove 19 through the rotation of the threaded rod two 37, the guide block 20 and the arc-shaped frame 5 are moved through the sliding of the internally threaded sleeve block 38, then the movement of the arc-shaped frame 5 can drive the connecting block 8 and the nail taking-out assembly to move to the vertical direction of the nails of the limb, at the same time, the motor 39 can be forward and reverse rotated, and the arc-shaped frame 5 can be moved left and right to adjust the position.

[0023] As the preferred embodiment in the present application, the adjusting assembly comprises an adjusting groove 6 which is arranged through the center of the arc-shaped frame 5, the front and back surfaces of the adjusting groove 6 are both provided with a limiting groove 7 which is arranged through, the limiting groove 7 is rotatably connected with a limiting block 14, the two limiting blocks 14 are fixedly connected with the connecting block 8, the sides opposite to the connecting block 8 of the two limiting blocks 14 are both threadedly connected with an adjusting bolt 10, and the end of the adjusting bolt 10 away from the center of the adjusting groove 6 extends to the outside of the arc-shaped frame 5; during operation, the adjusting bolt 10 is rotated to make the adjusting bolt 10 disengage from the limiting block 14, the connecting block 8 is further rotated to make the connecting block 8 rotate by the rotation of the limiting block 14 in the limiting groove 7 to adjust the position, then the connecting block 8 is rotated to make the nail taking assembly rotate to the position corresponding to the nails on the affected limb, and the nails at different positions on the affected limb can be taken linearly, and the nails are not taken obliquely to cause more harm and pain to the patient.

[0024] As the preferred embodiment in the present application, the nail taking assembly comprises a threaded rod 9 which is arranged through the center of the connecting block 8, the top end of the threaded rod 9 is fixedly connected with a handle plate, the threaded rod 9 is rotatably connected with the connecting block 8 through a bearing 2, the outer surface of the threaded rod is threadedly connected with an internally-threaded sleeve 11 below, the bottom of the internally-threaded sleeve 11 is provided with a clamping assembly, the outer surface of the internally-threaded sleeve 11 is fixedly connected with two opposite connecting plates 17 above, the connecting plates 17 are slidably connected with a limiting rod 16 which is arranged through the inside, the top end of the limiting rod 16 is fixedly connected with the bottom of the connecting block 8, and the bottom of the connecting plate 17 is provided with a limiting assembly; during operation, the threaded rod 9 is rotated by the handle plate, and the threaded rod 9 drives the internally-threaded sleeve 11 which is threadedly connected with the threaded rod 9 to move downward by the sliding connection of the connecting plate 17 and the limiting rod 16, then the movement of the internally-threaded sleeve 11 drives the clamping assembly and the limiting assembly to move at the same time, the limiting assembly is first combined with the affected limb to limit the affected limb, and the clamping assembly continues to move after the limiting assembly is combined with the affected limb, then the clamping assembly clamps the nails, the internally-threaded sleeve 11 is moved upward by reversing the threaded rod 9 to drive the clamping assembly to move, and the clamping assembly can take out the clamped nails after moving, and the limiting assembly can keep the state of being combined and limited during the process of taking out the nails, so that the limiting effect on the affected limb during the process of taking out the nails is better, and the process of taking out the nails is facilitated.

[0025] As a preferred embodiment in the present application, the clamping assembly comprises an inner groove 21 opened below the inside of the internally threaded sleeve 11, the lower surface of the inside of the inner groove 21 extends to the outside of the internally threaded sleeve 11, both the front and back surfaces of the inside of the inner groove 21 are provided with through mounting holes, a bidirectional screw rod 22 is rotatably connected between the two mounting holes through a bearing, the rear end of the bidirectional screw rod 22 extends to the outside of the internally threaded sleeve 11, a handle is fixedly connected to the rear end of the bidirectional screw rod 22, the front and rear surfaces of the outer surface of the bidirectional screw rod 22 are threadedly connected with vertical plates 23, the vertical plates 23 are slidably connected with the inner groove 21, clamping plates 24 are fixedly connected to the bottom of the vertical plates 23, a through arc-shaped clamping groove is formed in the inside of the clamping plate 24, clamping pads 25 are fixedly connected to the inside of the clamping groove, and the clamping pads 25 are made of rubber material; during work, the bidirectional screw rod 22 is rotated through the handle, the bidirectional screw rod 22 is driven to move the two vertical plates 23, the two vertical plates 23 are driven to move the two clamping plates 24 and the clamping pads 25 to clamp the nail head end, the internally threaded sleeve 11 is moved to drive the clamping plates 24 and the clamping pads 25 to move to take the nail, the rubber material of the clamping pads 25 has good anti-skid effect, the nail head end can be stably clamped, and the clamping plates 24 and the clamping pads 25 are limited from falling off during the movement of taking the nail, and the movement of the internally threaded sleeve 11 is stopped when the clamping plates 24 and the clamping pads 25 are close to the nail head end and the nail head end is located between the two clamping pads 25.

[0026] As a preferred embodiment in the present application, the limiting assembly comprises a horizontal plate 18 fixedly connected to the bottom of the connecting plate 17, the bottom end of the limiting rod 16 penetrates through the horizontal plate 18, the limiting rod 16 is slidably connected with the horizontal plate 18, a vertical rod 15 is fixedly connected to the bottom of the horizontal plate 18, a connecting rod 12 is mounted on the lower surface of the outer surface of the vertical rod 15 through a connecting assembly, an arc-shaped limiting plate 13 is mounted on the bottom end of the connecting rod 12 through a mounting assembly, a slot is formed in the bottom of the limiting plate 13, a limiting pad 30 is inserted into the slot, and the limiting pad 30 is made of medical sponge material; during work, the horizontal plate 18 and the vertical rod 15 are moved through the movement of the connecting plate 17, the vertical rod 15 is moved to drive the connecting rod 12, the limiting plate 13 and the limiting pad 30 to move and adhere to the two sides of the nail taking part of the affected limb, and when the vertical rod 15 moves upward during the nail taking process, the connecting rod 12, the limiting plate 13 and the limiting pad 30 can continuously adhere to the affected limb for limiting, so that the affected limb can be better limited during the nail taking, the nail taking process can be more stably performed, the pain of the patient during the nail taking process can be reduced, the blood and the like generated during the nail taking process can be absorbed and treated by the limiting pad 30 made of medical sponge material, and the blood and the like generated during the nail taking process can be prevented from flowing out and being inconveniently treated.

[0027] As the preferred embodiment in the application, the connecting assembly comprises a sliding groove 29 arranged in the connecting rod 12, the extrusion block 26 is slidably connected in the sliding groove 29, the damper 27 is fixedly installed between the extrusion block 26 and the sliding groove 29, the spring 1 28 is sleeved on the outer surface of the damper 27, the spring 1 28 is fixedly connected between the extrusion block 26 and the sliding groove 29, the vertical rod 15 extends to the inside of the sliding groove 29, and the bottom end of the vertical rod 15 is fixedly connected with the extrusion block 26.

[0028] As a preferred embodiment in the present application, the mounting assembly comprises a groove 31 opened inside and below the connecting rod 12 and penetratingly, the groove 31 is provided with clamping grooves 32 on both sides inside, the groove 31 is provided with a mounting rod 35, the bottom end of the mounting rod 35 is fixedly connected with the limiting plate 13, a through groove is opened in the mounting rod 35, sliding blocks 34 are slidably connected on both sides inside the through groove, springs 40 are fixedly connected between the two sliding blocks 34, one side of the sliding block 34 away from the center inside the through groove extends to the outside of the mounting rod 35, a clamping block 33 is fixedly connected on the side of the sliding block 34 away from the center inside the through groove, the clamping block 33 is clamped inside the clamping groove 32, and the outer surface of the clamping block 33 and the inside of the clamping groove 32 are both provided in an arc shape; in operation, the clamping block 33 is clamped inside the clamping groove 32 through the limiting of the spring 40, and the mounting rod 35 is mounted in the groove 31 inside the connecting rod 12 through the clamping of the clamping block 33 in the clamping groove 32, when it is necessary to dismount the mounting rod 35, the limiting plate 13 and the limiting pad 30, the limiting plate 13 is directly moved, the clamping block 33 inside the clamping groove 32 is extruded after the limiting plate 13 is moved, the sliding block 34 is extruded to shrink the spring 40 after the clamping block 33 is extruded to slide inside the through groove, and the mounting rod 35 can be moved out of the groove 31 after the clamping block 33 moves out of the clamping groove 32, so that the limiting plate 13 and the limiting pad 30 are convenient to dismount, since the limiting pad 30 is made of medical sponge material, the limiting pad 30 can be compressed to elastically deform, and the limiting block 14 can be stably inserted into the slot inside the limiting plate 13, when one patient finishes taking nails, the limiting plate 13 can be dismounted, then the limiting pad 30 is dismounted to replace a new one for the next patient to take nails, and infection is avoided, and the limiting plate 13 can be adjusted in angle and better matched with the affected limb for limiting when the clamping block 33 is clamped inside the clamping groove 32.

[0029] As shown in Figure 9 A clinical orthopedic nail taking method, which adopts the clinical orthopedic nail taking device, comprises the following steps: S1, the bottom plate 1 is placed stably through the supporting block, and after the bottom plate 1 is placed stably, the affected limb needing to take nails is placed on the protective pad 4 inside the placing groove, and the binding belt 3 is penetrated through the fixed block 2 and then pasted through the magic tape; S2, the threaded rod two 37 is driven to rotate through the power-on of the motor 39, the rotation of the threaded rod two 37 drives the inner threaded sleeve block 38 and the guide block 20 to move, and the arc-shaped frame 5 can be moved and adjusted to be on the same vertical plane with the nail taking position, then the connecting block 8 is rotated and adjusted in position inside the arc-shaped frame 5 through the adjusting bolt 10, and the clamping plate 24 and the clamping pad 25 are corresponding to the nails; S3, by rotating the handle plate, the threaded rod one 9 is rotated, and the threaded rod one 9 is rotated to drive the inner threaded sleeve 11 to move down through the sliding connection of the connecting plate 17 and the limiting rod 16, and the clamping plate 24 and the clamping pad 25 are moved to the nail head end; S4, by rotating the threaded rod one 9 to drive the inner threaded sleeve 11 and the connecting plate 17 to move, the horizontal plate 18 and the vertical rod 15 and the connecting rod 12 and the limiting plate 13 can be moved, and the limiting plate 13 moves to drive the limiting pad 30 to be attached to both sides of the part where the nail is taken first, and when the limiting pad 30 is attached to both sides of the nail taking part, the limiting plate 13 stops moving, then the horizontal plate 18 drives the vertical rod 15 to extrude the extrusion block 26 in the connecting rod 12, and the extrusion block 26 extrudes the damper 27 and the spring one 28; S5, by rotating the handle double screw rod 22, the two vertical plates 23 are driven to move, and after the two vertical plates 23 move, the two clamping plates 24 and the clamping pads 25 clamp the nail head end, and then the threaded rod one 9 is reversely rotated to drive the inner threaded sleeve 11 to move and drive the clamping plate 24 and the clamping pad 25 to move to take the nail; S6, by the rebound force of the spring one 28, the limiting plate 13 and the limiting pad 30 can always press the part where the nail is taken when the horizontal plate 18 and the vertical rod 15 move during the process of taking the nail, and the limiting pad 30 of medical sponge material can absorb and process the blood and other substances during the process of taking the nail, and can buffer and protect the patient during the process of taking the nail; S7, when the nail taking is finished, the nail is put down for collection and processing by reversely rotating the double screw rod 22, and the clamping block 33 in the clamping groove 32 is extruded by moving the limiting plate 13, and when the clamping block 33 moves out of the clamping groove 32, the limiting plate 13 and the limiting pad 30 can be disassembled, and then the limiting pad 30 inserted into the limiting plate 13 can be removed to facilitate disassembly and replacement.

[0030] The above front, back, left, right, up, down are based on the figures in the description Figure 1 As the standard, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0031] In the description of the application, it should be understood that the terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the application.

[0032] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the foregoing embodiments. The foregoing embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A clinical orthopedic nail removal device, comprising a base plate (1), wherein the four corners of the bottom of the base plate (1) are fixedly connected to support blocks; Its characteristics are: The center of the top of the bottom plate (1) is provided with a placement groove that penetrates left and right, and a protective pad (4) is fixedly connected inside the placement groove. The left and right sides of the front of the top of the bottom plate (1) are fixedly connected with a fixing block (2). The left and right sides of the rear of the top of the bottom plate (1) are fixedly connected with a strap (3). The front end of the strap (3) penetrates the fixing block (2), and a Velcro is fixedly installed on the strap (3); A moving assembly is provided on the bottom plate (1), the top of the moving assembly extends to the top of the bottom plate (1), an arc frame (5) is provided on the top of the moving assembly, a connecting block (8) is provided inside the arc frame (5) via an adjusting assembly, and a nail removal assembly is provided on the connecting block (8).

2. A clinical orthopedic nail removal device according to claim 1, characterized in that: The moving assembly includes a mounting groove (36) provided at the rear of the bottom plate (1), a motor (39) being fixedly installed on the left side of the mounting groove (36), a threaded rod (37) being fixedly connected to the output end of the motor (39), a right end of the threaded rod (37) being rotatably connected to the right side of the mounting groove (36) via a bearing, an outer surface of the threaded rod (37) being threadedly connected to an internal threaded sleeve (38), a guide groove (19) being provided at the front and rear of the top of the bottom plate (1), the guide groove (19) at the rear communicating with the inside of the mounting groove (36), a guide block (20) being slidably connected to the inside of the guide groove (19), the front and rear of the bottom of the arc frame (5) being fixedly connected to the tops of the two guide blocks (20) respectively, and the guide block (20) at the rear being fixedly connected to the internal threaded sleeve (38).

3. The clinical orthopedic nail removal device according to claim 2, characterized in that: The adjustment assembly includes an adjustment slot (6) which is opened at the center of the arc frame (5) and is through-type, and the front and rear surfaces of the adjustment slot (6) are both provided with through-type limit slots (7), and the limit slot (7) is rotatably connected to the limit block (14) inside, and the two limit blocks (14) are fixedly connected to the connecting block (8), and the two limit blocks (14) are threadedly connected to the opposite sides of each other with an adjustment bolt (10), and the adjustment bolt (10) extends to the outside of the arc frame (5) at one end away from the center of the adjustment slot (6).

4. A clinical orthopedic nail removal device according to claim 3, characterized in that: The nail removal assembly includes a threaded rod (9) passing through the center of the connecting block (8), the top of the threaded rod (9) is fixedly connected to a handle plate, the threaded rod (9) is rotatably connected to the connecting block (8) through a bearing (2), an internal threaded sleeve (11) is threadedly connected below the outer surface of the threaded rod, a clamping assembly is provided at the bottom of the internal threaded sleeve (11), two opposite connecting plates (17) are fixedly connected above the outer surface of the internal threaded sleeve (11), a sliding limit rod (16) passes through the interior of the connecting plate (17), the top of the limit rod (16) is fixedly connected to the bottom of the connecting block (8), and a limit assembly is provided at the bottom of the connecting plate (17).

5. The clinical orthopedic nail removal device according to claim 4, characterized in that: The clamping assembly includes an inner groove (21) provided at the lower part of the inner threaded sleeve (11), the inner lower surface of the inner groove (21) extends to the outside of the inner threaded sleeve (11), and the inner front and rear surfaces of the inner groove (21) are provided with through-type mounting holes, and a bidirectional screw (22) is rotatably connected between the two mounting holes through a bearing, the rear end of the bidirectional screw (22) extends to the outside of the inner threaded sleeve (11), and the rear end of the bidirectional screw (22) is fixedly connected to a handle, and the front and rear of the outer surface of the bidirectional screw (22) are both threadedly connected to a vertical plate (23), and the vertical plate (23) is slidably connected to the inner groove (21), and the bottom of the vertical plate (23) is fixedly connected to a clamping plate (24), and a through-type arc-shaped clamping groove is provided inside the clamping plate (24), and a clamping pad (25) is fixedly connected inside the clamping groove, and the clamping pad (25) is made of rubber.

6. The clinical orthopedic nail removal device according to claim 5, characterized in that: The limiting assembly includes a transverse plate (18) fixedly connected to the bottom of the connecting plate (17), the bottom end of the limiting rod (16) passes through the transverse plate (18), the limiting rod (16) is slidably connected to the transverse plate (18), the bottom of the transverse plate (18) is fixedly connected to a vertical rod (15), a connecting rod (12) is installed below the outer surface of the vertical rod (15) through a connecting assembly, and an arc-shaped limiting plate (13) is installed at the bottom of the connecting rod (12) through a mounting assembly, and a slot is provided at the bottom of the limiting plate (13), and a limiting pad (30) is inserted into the slot, and the limiting pad (30) is made of medical sponge material.

7. The clinical orthopedic nail removal device according to claim 6, characterized in that: The connecting assembly includes a slide groove (29) provided inside the connecting rod (12), an extrusion block (26) is slidably connected inside the slide groove (29), a damper (27) is fixedly installed between the extrusion block (26) and the slide groove (29), a spring (28) is sleeved on the outer surface of the damper (27), and the spring (28) is fixedly connected between the extrusion block (26) and the slide groove (29), the bottom end of the vertical rod (15) extends into the inside of the slide groove (29), and the bottom end of the vertical rod (15) is fixedly connected to the extrusion block (26).

8. The clinical orthopedic nail removal device according to claim 7, characterized in that: The mounting assembly includes a through-type groove (31) provided at the bottom of the interior of the connecting rod (12), a clamping groove (32) provided on both the left and right sides of the interior of the groove (31), a mounting rod (35) provided inside the interior of the groove (31), the bottom end of the mounting rod (35) being fixedly connected to the limit plate (13), a through-type through-slot provided inside the interior of the mounting rod (35), sliders (34) being slidably connected on both the left and right sides of the interior of the through-slot, a spring 2 (40) being fixedly connected between the two sliders (34), the slider (34) extending from the side of the interior center of the through-slot to the outside of the mounting rod (35), the slider (34) being fixedly connected from the side of the interior center of the through-slot to the side of the clamping block (33), the clamping block (33) being clamped inside the clamping groove (32), the outer surface of the clamping block (33) and the interior of the clamping groove (32) being both arranged in an arc shape.

9. A method for clinical orthopedic nail removal, the method using the clinical orthopedic nail removal device according to claim 8, characterized in that: The following steps are involved: S1. The base plate (1) is placed stably by the support block, and after the base plate (1) is placed stably, the affected limb to be removed from the nail is placed on the protective pad (4) inside the placement groove, and the strap (3) is passed through the fixing block (2) and then attached using Velcro; S2, the motor (39) is energized to drive the second threaded rod (37) to rotate, and the rotation of the second threaded rod (37) drives the internal threaded sleeve block (38) and the guide block (20) to move, so that the arc frame (5) can be moved and adjusted to be on the same vertical plane as the nail removal position, and then the connecting block (8) is rotated and adjusted in the interior of the arc frame (5) by adjusting the bolt (10), so that the clamping plate (24) and the clamping pad (25) correspond to the nail; S3, the threaded rod (9) is rotated by rotating the handle, and the rotation of the threaded rod (9) drives the internal threaded sleeve (11) to move under the limit of the sliding connection between the connecting plate (17) and the limit rod (16), and causes the clamping plate (24) and the clamping pad (25) to move to the nail head end; S4, by rotating the threaded rod (9) to drive the internal threaded sleeve (11) and the connecting plate (17), the horizontal plate (18) and the vertical rod (15) and the connecting rod (12) and the limiting plate (13) can be moved, and after the limiting plate (13) moves, it drives the limiting pad (30) to fit with both sides of the part where the nail needs to be removed, and after the limiting pad (30) fits with both sides of the part where the nail needs to be removed, the limiting plate (13) stops moving, and then the horizontal plate (18) drives the vertical rod (15) to squeeze the squeezing block (26) inside the connecting rod (12), and the squeezing block (26) squeezes the damper (27) and the spring (28); S5. The bidirectional screw (22) is rotated by the handle, and the bidirectional screw (22) rotates to drive the two vertical plates (23) to move, and after the two vertical plates (23) move, the two clamping plates (24) and the clamping pad (25) are driven to clamp the nail head end, and then the threaded rod (9) is rotated in the opposite direction to make the internal threaded sleeve (11) move and drive the clamping plates (24) and the clamping pad (25) to move to remove the nail; S6. The rebound force of the spring 1 (28) allows the limit plate (13) and the limit pad (30) to press the nail removal site when the horizontal plate (18) and the vertical rod (15) are moved during the nail removal process. The limit pad (30) made of medical sponge can absorb blood and other substances that come out during the nail removal process, and can provide a certain buffer protection for the patient during the nail removal process. S7. After the nail is taken out, the bidirectional screw (22) is rotated in the opposite direction so that the nail can be put down for collection and processing, and the block (33) inside the slot (32) is squeezed by moving the limit plate (13). When the block (33) is moved out of the slot (32), the limit plate (13) and the limit pad (30) can be disassembled, and then the limit pad (30) inserted in the limit plate (13) can be removed to facilitate disassembly and replacement.

Images