CN115068098A

CN115068098A - Wide orthopedics of application scope is got and is followed closely equipment

Info

Publication number: CN115068098A
Application number: CN202210457024.4A
Authority: CN
Inventors: 尹振春
Original assignee: Ningbo First Hospital
Current assignee: Ningbo First Hospital
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-09-20

Abstract

The invention relates to the technical field of orthopedic nail taking, in particular to an orthopedic nail taking device with a wide application range, which comprises a rack, a clamping device and a control device, wherein the clamping device comprises a first mounting frame, a clamp and a driving assembly, the first mounting frame is slidably mounted on the rack, the clamp is rotatably mounted on the first mounting frame, the driving assembly comprises a second mounting frame, a first rotary driver and a first screw rod, the second mounting frame is slidably mounted on the first mounting frame, the first rotary driver is fixedly mounted on the first mounting frame, the first screw rod is rotatably mounted on the first mounting frame, one end of the first screw rod is in transmission connection with the driving end of the first mounting frame, and the first screw rod is in threaded connection with the second mounting frame; the control device is installed on the rack, and the driving end of the control device is in transmission connection with the first mounting frame. This application has realized the function of quick and stable multiple model bone nail of centre gripping, has solved the defect that anchor clamps application scope is little that traditional orthopedics got nail equipment.

Description

Wide orthopedics of application scope is got and is followed closely equipment

Technical Field

The invention relates to the technical field of orthopedic nail taking, in particular to an orthopedic nail taking device with a wide application range.

Background

Bone nails are non-active surgical metal implants for osteosynthesis, consisting of cortical (full and half-thread) and cancellous (full and half-thread) bone nails. The metal material is the first biomaterial studied, has good tensile strength and toughness, and is particularly suitable for repairing the defect of hard tissues of a body. After the patient passes through the recovery period, the bone nail needs to be taken out of the patient, and the bone nail may shake during manual nail taking, so that the bone nail is stirred in the patient, and the body of the patient is damaged.

Therefore, Chinese patent CN202210000617.8 discloses a universal nail taking device suitable for various types for orthopedic clinical operation, which can take out bone nails in a rotary manner through a nail taking component, or can take out bone nails by matching the nail taking component with a supporting component, when the bone nails need to be taken out in a rotary manner, four groups of fixing claws can be fixed at the ends of the bone nails, a first regulating wheel is rotated to drive a control ring and a threaded ring to rotate simultaneously through a control arc plate, the threaded ring drives a lifting cylinder to ascend through matching with a connecting thread, one side of the four groups of fixing claws is blocked and closed by one end of a mounting cylinder in the ascending process of the lifting cylinder, one end of the bone nails is clamped and fixed, then the fixing plug board is clamped into a slot at one end of the bone nails, an octagonal prism is fixed through two groups of first push screws, the nail taking device can be driven to rotate by rotating two groups of handles to rotate the bone nails, the bone nail can be taken out.

However, the clamp adjusting range is small, the clamp cannot adapt to most bone nails, and the nail taking is still driven by an operator manually, so that the nail taking speed is inconsistent, and the judgment is carried out by depending on the experience of the operator.

Disclosure of Invention

Therefore, the orthopedic nail removing equipment with wide application range is needed to solve the problems in the prior art.

In order to solve the problems of the prior art, the invention adopts the technical scheme that:

the orthopedic nail taking equipment with wide application range comprises a rack, a clamping device and a control device, wherein the clamping device comprises a first mounting frame, a clamp and a driving assembly, the first mounting frame is slidably mounted on the rack, the clamp is rotatably mounted on the first mounting frame, the driving assembly comprises a second mounting frame, a first rotary driver and a first screw rod, the second mounting frame is slidably mounted on the first mounting frame, the first rotary driver is fixedly mounted on the first mounting frame, the first screw rod is rotatably mounted on the first mounting frame, one end of the first screw rod is in transmission connection with the driving end of the first mounting frame, and the first screw rod is in threaded connection with the second mounting frame; the control device is installed on the rack, and the driving end of the control device is in transmission connection with the first installation frame.

Preferably, the clamping device further comprises two measuring assemblies, the two measuring assemblies are arranged on two sides of the second mounting frame respectively and are located on two sides of the second mounting frame respectively, each measuring assembly comprises a first sliding block, a first pressure sensor and a first elastic piece, the first sliding blocks are slidably mounted in the second mounting frame, the first pressure sensors are fixedly mounted on the second mounting frame, and two ends of each first elastic piece are fixedly connected with the first sliding blocks and the first elastic pieces respectively.

Preferably, the measuring assembly further comprises a roller rotatably mounted on the first slider.

Preferably, controlling means includes mounting panel, annular mount pad, second rotary actuator and second screw rod, and mounting panel slidable mounting is in the frame, and annular mount pad fixed mounting is in the mounting panel, and second rotary actuator fixed mounting is in the frame, and the rotatable installation of second screw rod is in the frame, and the one end of second screw rod is connected with the drive end transmission of second rotary actuator, second screw rod and annular mount pad threaded connection.

Preferably, the annular mounting seat is rotatably installed on the mounting panel, controlling means still includes the switching subassembly, the switching subassembly includes the lantern ring, the plectrum, the pin, the rotating gear, cylindricality sleeve and annular tooth, the lantern ring is rotatable to be cup jointed on annular mounting seat, the plectrum is articulated with the lantern ring, the pin is fixed to be set up on the plectrum, all be equipped with on mounting panel and the second screw rod with pin complex hole, the rotating gear is fixed to be cup jointed on annular mounting seat, the cylindricality sleeve is rotatable to be installed on the mounting panel, first mounting bracket slidable mounting is in the cylindricality sleeve, the annular tooth is fixed to be set up on the cylindricality sleeve, rotating gear and annular tooth transmission are connected.

Preferably, the control device further comprises a sliding seat, a second pressure sensor, a second elastic part, a third rotary driver and a third screw rod, the sliding seat is slidably mounted in the cylindrical sleeve and located below the first mounting frame, the second pressure sensor is fixedly mounted on the sliding seat, two ends of the second elastic part are respectively fixedly connected with the first mounting frame and the sliding seat, the third rotary driver is fixedly mounted on the cylindrical sleeve, the third screw rod is rotatably mounted on the cylindrical sleeve, one end of the cylindrical sleeve is in transmission connection with the driving end of the third rotary driver, and the third screw rod is in threaded connection with the sliding seat.

Preferably, the frame comprises an arc-shaped support frame, and the arc-shaped support frame is fixedly installed at the bottom of the frame.

Preferably, the rack further comprises a plurality of connecting rods and a plurality of top supporting frames, the two ends of each connecting rod are hinged to the arc-shaped supporting frames and the top supporting frames respectively, the top supporting frames are located above the arc-shaped supporting frames, and the first mounting frame is slidably mounted on the top supporting frames.

Preferably, the frame further comprises a rotary driving assembly, the rotary driving assembly comprises a first rotating shaft, a worm wheel, a second rotating shaft and a worm, first bevel gear, the third rotation axis, second bevel gear and handle, the rotatable installation of first rotation axis is on arc support frame, the fixed cover of one end of connecting rod connects on first rotation axis, the fixed cover of worm wheel connects on first rotation axis, the rotatable installation of second rotation axis is on arc support frame, the one end of worm and the axis collineation of second rotation axis fixed connection and its axis and second rotation axis, the worm is connected with worm wheel transmission, the fixed cover of first bevel gear connects on the second rotation axis, the rotatable installation of third rotation axis is on arc support frame, the fixed cover of second bevel gear connects on the third rotation axis, second bevel gear is connected with first bevel gear transmission, the fixed cover of handle connects on the third rotation axis.

Preferably, the rack further comprises a top support frame, the top support frame comprises a sliding rail and a second sliding block, the sliding rail is fixedly arranged on the top support frame, the second sliding block is slidably arranged in the sliding rail, and the third rotary driver is fixedly arranged on the second sliding block.

Compared with the prior art, the beneficial effect of this application is:

1. this application has realized the function of quick and stable multiple model bone nail of centre gripping through frame, clamping device and controlling means, has solved the defect that the anchor clamps application scope of traditional orthopedics nail equipment of getting is little.

2. This application has realized the function of automatic judgement centre gripping stability through first slider, first pressure sensor and first elastic component, has solved and has needed operating personnel to judge whether the defect that the centre gripping is firm by oneself.

3. This application has realized replacing the gliding function between first slider and the clamp with rolling through the gyro wheel, has solved first slider and clamp and has lasted the friction, leads to the serious defect of first slider and clamp wearing and tearing.

4. This application has realized the function that drives the lift of first mounting bracket through mounting panel, annular mount pad, second rotary actuator and second screw rod, has solved the technical problem that how controlling means drives the clamp lift.

5. This application has realized the first mounting bracket of the drive that can select through lantern ring, plectrum, pin, rotary gear, cylindricality sleeve and annular tooth and has gone up and down or rotatory function, has solved partial bone nail and has carried out the dismouting through the rotation, and controlling means can't drive the rotatory defect of first mounting bracket.

6. This application has realized providing the function of first mounting bracket pretightning force through slide, second pressure sensor, second elastic component, third rotary actuator and third screw rod, has solved when getting the nail through the rotation, and the bone nail is when rising, still need overcome clamping device self gravity's influence, leads to getting the resistance increase that the nail received to increase the painful defect of patient.

7. This application has realized improving the frame through arc support frame and has placed stability and portable's function, has solved because the bone nail is installed at patient's four limbs mostly, and the locating place of frame can receive the defect of influence.

8. This application has realized the function that the nail angle was got in the adjustment through connecting rod and top support frame, has solved partial bone nail and has not vertically installed in patient, leads to getting the inconvenient defect of nail.

9. This application has realized the function of adjusting connecting rod angle and auto-lock through first rotation axis, worm wheel, second rotation axis, worm, first bevel gear, third rotation axis, second bevel gear and handle, has solved setting up of connecting rod and top sprag frame and has made getting nail in-process top sprag frame to receive external force to influence and take place to rock, leads to patient injured defect.

10. This application has realized third rotary actuator and mounting panel synchronous motion's function through slide rail and second slider, has solved the influence that can receive third rotary actuator and third screw rod among the top sprag frame position control process, leads to the defect of unable adjustment.

Drawings

FIG. 1 is a perspective view of the present application;

FIG. 2 is a perspective view of the clamping device and pretensioning assembly of the present application in cooperation;

FIG. 3 is a perspective view of the clamping device of the present application;

FIG. 4 is a perspective exploded view of the measurement assembly of the present application;

FIG. 5 is a perspective view of a control device of the present application;

FIG. 6 is an exploded perspective view of the control device of the present application;

FIG. 7 is an enlarged partial schematic view at A of FIG. 6 of the present application;

FIG. 8 is an exploded perspective view of the pretensioning assembly of the present application;

FIG. 9 is a front view of the present application;

FIG. 10 is a schematic perspective view of the present application after tilting;

FIG. 11 is a side view of the present application after tilting;

FIG. 12 is a perspective view of the rotary drive assembly of the present application;

FIG. 13 is a perspective view of a top support bracket according to the present application;

the reference numbers in the figures are:

1-a frame; 1 a-an arc support frame; 1 b-a connecting rod; 1 c-a top support; 1c 1-slide; 1c2 — second slider; 1 d-a rotary drive assembly; 1d1 — first axis of rotation; 1d 2-worm gear; 1d 3-second axis of rotation; 1d 4-worm; 1d5 — first bevel gear; 1d 6-third axis of rotation; 1d7 — second bevel gear; 1d 8-handle;

2-a clamping device; 2 a-a first mounting frame; 2 b-a clamp; 2 c-a drive assembly; 2c 1-a second mount; 2c2 — first rotary drive; 2c 3-first screw; 2 d-a measurement component; 2d1 — first slider; 2d2 — first pressure sensor; 2d3 — a first elastic member; 2d 4-roller;

3-a control device; 3 a-a mounting plate; 3 b-an annular mounting seat; 3 c-a second rotary drive; 3 d-a second screw; 3 e-a switching component; 3e 1-collar; 3e 2-plectrum; 3e 3-pin; 3e4 — rotating gear; 3e 5-cylindrical sleeve; 3e 6-ring teeth; 3 f-pre-tightening component; 3f 1-slide; 3f2 — second pressure sensor; 3f3 — a second elastic member; 3f4 — third rotary drive; 3f 5-third screw.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in fig. 1-13:

an orthopedic nail taking device with a wide application range comprises a rack 1, a clamping device 2 and a control device 3, wherein the clamping device 2 comprises a first mounting frame 2a, a clamp 2b and a driving assembly 2c, the first mounting frame 2a is slidably mounted on the rack 1, the clamp 2b is rotatably mounted on the first mounting frame 2a, the driving assembly 2c comprises a second mounting frame 2c1, a first rotary driver 2c2 and a first screw 2c3, the second mounting frame 2c1 is slidably mounted on the first mounting frame 2a, the first rotary driver 2c2 is fixedly mounted on the first mounting frame 2a, a first screw 2c3 is rotatably mounted on the first mounting frame 2a, one end of the first screw 2c3 is in transmission connection with a driving end of the first mounting frame 2a, and the first screw 2c3 is in threaded connection with the second mounting frame 2c 1; the control device 3 is installed on the frame 1, and the driving end of the control device 3 is in transmission connection with the first installation frame 2 a.

Based on the above embodiments, the technical problem that the present application intends to solve is how to improve the clamping adaptability of the orthopedic nail removing device. Therefore, the function of rapidly and stably clamping various types of bone nails is realized through the frame 1, the clamping device 2 and the control device 3. The first rotary driver 2c2 is preferably a servo motor, and the servo motor and the control device 3 are electrically connected with the controller; an operator moves the orthopedic nail taking device to a nail taking position, then the first mounting frame 2a is driven to descend by the control device 3, the first mounting frame 2a drives the clamp 2b to move downwards, then the clamp 2b is matched with a bone nail, then a signal is sent to the first rotary driver 2c2 through the controller, the first rotary driver 2c2 drives the first screw rod 2c3 to rotate, the first screw rod 2c3 drives the second mounting frame 2c1 in threaded connection with the first screw rod to slide upwards, the clamp 2b is extruded along with the sliding of the second mounting frame 2c1, so that two clamp parts of the clamp 2b are close to each other to clamp the bone nail, the drive component 2c simulates a human hand to grasp the clamp 2b, so that the clamp 2b can clamp most types of bone nails, after the clamping is stable, the operator sends a signal to the control device 3 through the controller, the control device 3 drives the first mounting frame 2a to move upwards, thereby pulling out the bone screw.

Further, this application still has the defect that whether the centre gripping is firm that needs operating personnel to judge by oneself, in order to solve this problem, as shown in fig. 3:

clamping device 2 still includes measuring component 2d, measuring component 2d is equipped with two and its both sides that are located second mounting bracket 2c1 respectively, measuring component 2d includes first slider 2d1, first pressure sensor 2d2 and first elastic component 2d3, first slider 2d1 slidable mounting is in second mounting bracket 2c1, first pressure sensor 2d2 fixed mounting is on second mounting bracket 2c1, the both ends of first elastic component 2d3 respectively with first slider 2d1 and first elastic component 2d3 fixed connection.

Based on the above embodiments, the technical problem that the present application intends to solve is how to further improve the operation portability. For this reason, the present application realizes a function of automatically judging the clamping stability through the first slider 2d1, the first pressure sensor 2d2, and the first elastic member 2d 3. The first pressure sensor 2d2 is electrically connected with the controller; an operator moves the orthopedic nail taking device to a nail taking position, then drives the first mounting frame 2a to descend through the control device 3, the first mounting frame 2a drives the clamp 2b to move downwards, then the clamp 2b is matched with a bone nail, then a signal is sent to the first rotary driver 2c2 through the controller, the first rotary driver 2c2 drives the first screw 2c3 to rotate, the first screw 2c3 drives the second mounting frame 2c1 in threaded connection with the first screw to slide upwards, the clamp 2b can be extruded along with the sliding of the second mounting frame 2c1, so that two clamp parts of the clamp 2b are close to each other, along with the continuous upward movement of the second mounting frame 2c1, the second mounting frame 2c1 can drive the first slide block 2d1 to move, the first slide block 2d1 is tightly abutted against the bone nail, the first slide block 2d1 continuously extrudes the bone nail, and simultaneously receives the reaction force of the bone nail, the first elastic piece 2d3 is shortened after being extruded, meanwhile, an elastic force is applied to the first pressure sensor 2d2, and after the first pressure sensor 2d2 detects a sufficient clamping force, a feedback signal is sent to the controller, the controller stops the driving of the first rotary driver 2c2 and sends a signal to the control device 3, and the control device 3 drives the first mounting frame 2a to move upward, thereby extracting the bone nail.

Further, the present application still has the defect that the first slider 2d1 continuously rubs against the clamp 2b, which causes the first slider 2d1 and the clamp 2b to be seriously worn, and in order to solve the problem, as shown in fig. 4:

the measuring assembly 2d further comprises a roller 2d4, the roller 2d4 being rotatably mounted on the first slide 2d 1.

Based on the above-described embodiment, the technical problem that the present application intends to solve is how to reduce the wear of the first slider 2d 1. For this reason, the present application realizes the function of replacing the sliding between the first slider 2d1 and the pincer 2b with rolling by the roller 2d 4. When the first sliding block 2d1 is close to the clamp 2b, the roller 2d4 contacts with the clamp 2b first, and along with the continuous movement of the first sliding block 2d1, the roller 2d4 rotates due to the increase of friction force between the roller 2d4 and the clamp 2b, so that the abrasion of the clamp 2b and the first sliding block 2d1 is reduced, the service life of the device is prolonged, and the operation stability of the orthopedic nail taking device is improved.

Further, in order to solve the technical problem of how the control device 3 drives the clamp 2b to ascend and descend, as shown in fig. 5:

controlling means 3 includes mounting panel 3a, annular mount pad 3b, second rotary actuator 3c and second screw rod 3d, mounting panel 3a slidable mounting is in frame 1, annular mount pad 3b fixed mounting is on mounting panel 3a, second rotary actuator 3c fixed mounting is in frame 1, the rotatable installation of second screw rod 3d is in frame 1, the one end of second screw rod 3d is connected with the drive end transmission of second rotary actuator 3c, second screw rod 3d and annular mount pad 3b threaded connection.

Based on the above embodiments, the technical problem to be solved by the present application is how to drive the clamp 2b to ascend and descend. For this reason, this application has realized the function of driving first mounting bracket 2a to go up and down through mounting panel 3a, annular mount 3b, second rotary actuator 3c and second screw 3 d. The second rotary driver 3c is preferably a servo motor, and the servo motor is electrically connected with the controller; an operator moves the orthopedic nail taking device to a nail taking position, then sends a signal to the second rotary driver 3c through the controller, the second rotary driver 3c drives the second screw rod 3d to rotate, the second screw rod 3d drives the annular mounting seat 3b in threaded fit with the second screw rod to descend, so as to drive the mounting plate 3a and the first mounting frame 2a to descend, the first mounting frame 2a drives the clamp 2b to move downwards, then the clamp 2b is matched with a bone nail, then the controller sends a signal to the first rotary driver 2c2, the first rotary driver 2c2 drives the first screw rod 2c3 to rotate, the first screw rod 2c3 drives the second mounting frame 2c1 in threaded connection with the first screw rod to slide upwards, the clamp 2b is pressed along with the sliding of the second mounting frame 2c1, so as the second mounting frame 2c1 continues to move upwards, the second mounting frame 2c1 drives the first slider 2d1 to move, make first slider 2d1 and bone nail support tightly, first slider 2d1 continuously extrudees the bone nail, receive the reaction force of bone nail simultaneously, first elastic component 2d3 shortens after being extruded, apply on first pressure sensor 2d2 with elasticity simultaneously, first pressure sensor 2d2 detects sufficient clamping-force after, feedback signal gives the controller, the controller stops the drive of first rotary driver 2c2, and send signal for second rotary driver 3c, drive first mounting bracket 2a upward movement through second rotary driver 3c, thereby extract the bone nail.

Further, the present application still has the defect that part of the bone screws are removed and installed through rotation, and the control device 3 cannot drive the first mounting frame 2a to rotate, in order to solve the problem, as shown in fig. 5 to 6:

the annular mounting seat 3b is rotatably mounted on the mounting plate 3a, the control device 3 further comprises a switching assembly 3e, the switching assembly 3e comprises a lantern ring 3e1, a dial 3e2, a pin 3e3, a rotary gear 3e4, a cylindrical sleeve 3e5 and annular teeth 3e6, the lantern ring 3e1 is rotatably sleeved on the annular mounting seat 3b, the dial 3e2 is hinged to the lantern ring 3e1, the pin 3e3 is fixedly arranged on the dial 3e2, holes matched with the pin 3e3 are formed in the mounting plate 3a and the second screw 3d, the rotary gear 3e4 is fixedly sleeved on the annular mounting seat 3b, the cylindrical sleeve 3e5 is rotatably mounted on the mounting plate 3a, the first cylinder 2a is slidably mounted in the cylindrical sleeve 3e5, the annular teeth 3e6 are fixedly arranged on the cylindrical sleeve 3e5, and the rotary gear 3e4 is in transmission connection with the annular teeth 3e 6.

Based on the above embodiments, the technical problem to be solved by the present application is how to drive the first mounting frame 2a to rotate. For this reason, the present application realizes the function of selectively driving the first mounting frame 2a to ascend and descend or rotate through the lantern ring 3e1, the pulling piece 3e2, the pin 3e3, the rotary gear 3e4, the cylindrical sleeve 3e5 and the annular teeth 3e 6. When an operator needs to drive the clamp 2b to lift to pull out a bone nail, the plectrum 3e2 is firstly pulled to enable the pin 3e3 to be matched with the mounting plate 3a, at the moment, the annular mounting seat 3b and the mounting plate 3a cannot rotate relatively, the operator sends a signal to the second rotary driver 3c through the controller, the second rotary driver 3c drives the second screw rod 3d to rotate, and the second screw rod 3d drives the annular mounting seat 3b in threaded connection with the second screw rod to lift; when an operator needs to drive the clamp 2b to rotate to take out a bone nail, the plectrum 3e2 is firstly pulled to enable the pin 3e3 to be matched with the second screw rod 3d, at the moment, the second screw rod 3d cannot rotate relative to the annular mounting seat 3b, the operator sends a signal to the second rotary driver 3c through the controller, the second rotary driver 3c drives the annular mounting seat 3b to rotate, the annular mounting seat 3b drives the rotary gear 3e4 to rotate, the rotary gear 3e4 drives the annular tooth 3e6 in transmission connection with the rotary gear, and the annular tooth 3e6 drives the cylindrical sleeve 3e5 and the first mounting seat 2a to rotate, so that the clamp 2b and the bone nail are driven to rotate to finish the nail taking work; this application accomplishes through servo motor's drive and gets the nail, can realize getting the nail at the uniform velocity to get the nail with the manual work relatively, it can not take place to rock at getting the nail in-process, has further reduced patient's pain.

Further, the present application still has the defect that when the nail is taken out through rotation, when the nail is lifted, the influence of the gravity of the clamping device 2 itself needs to be overcome, which results in the increase of the resistance to the nail taking, and thus the pain of the patient is increased, and in order to solve the problem, as shown in fig. 2 and 8:

the control device 3 further comprises a sliding seat 3f1, a second pressure sensor 3f2, a second elastic member 3f3, a third rotary driver 3f4 and a third screw 3f5, wherein the sliding seat 3f1 is slidably mounted in a cylindrical sleeve 3e5 and is located below the first mounting bracket 2a, the second pressure sensor 3f2 is fixedly mounted on the sliding seat 3f1, two ends of the second elastic member 3f3 are fixedly connected with the first mounting bracket 2a and the sliding seat 3f1 respectively, the third rotary driver 3f4 is fixedly mounted on the cylindrical sleeve 3e5, the third screw 3f5 is rotatably mounted on the cylindrical sleeve 3e5, one end of the cylindrical sleeve 3e5 is in transmission connection with a driving end of the third rotary driver 3f4, and the third screw 3f5 is in threaded connection with the sliding seat 3f 1.

Based on the above embodiments, the technical problem to be solved by the present application is how to reduce the resistance to the rotation of the nail taking device. For this purpose, the present application achieves the function of providing the preload of the first mounting bracket 2a by means of the slide 3f1, the second pressure sensor 3f2, the second elastic member 3f3, the third rotary actuator 3f4 and the third screw 3f 5. Under the non-working state, the elastic force generated by the second elastic piece 3f3 acts on the first mounting frame 2a to overcome the gravity borne by the first mounting frame 2a to support the first mounting frame 2a, when an operator needs to drive the clamp 2b to rotate to take out the bone nail, the plectrum 3e2 is firstly pulled to enable the pin 3e3 to be matched with the second screw 3d, at the moment, the second screw 3d and the annular mounting seat 3b cannot rotate relatively, the operator sends a signal to the second rotary driver 3c through the controller, the annular mounting seat 3b is driven to rotate by the second rotary driver 3c, the annular mounting seat 3b drives the rotary gear 3e4 to rotate, the rotary gear 3e4 drives the annular tooth 3e6 in transmission connection with the rotary gear, the annular tooth 3e6 drives the cylindrical sleeve 3e5 and the first mounting frame 2a to rotate, so as to drive the clamp 2b and the bone nail to rotate, at the moment, the bone nail moves upwards, so as to pull the second elastic piece 3f3, second pressure sensor 3f2 detects the pressure value and reduces the back, feedback signal gives the controller, the controller sends the signal immediately and gives third rotary drive ware 3f4, third rotary drive ware 3f4 drive third screw 3f5 is rotatory, third screw 3f5 drive rather than threaded connection's slide 3f1 rebound, thereby keep the support to first mounting bracket 2a, avoid first mounting bracket 2a rotatory nail getting in-process to receive the influence of gravity, reduce the pain that nail getting in-process patient received, stably accomplish and get nail work.

Further, the present application still has the drawback that since the bone screws are mostly mounted on the limbs of the patient, the arrangement position of the frame 1 is affected, and in order to solve this problem, as shown in fig. 9 to 11:

the frame 1 includes arc support frame 1a, and arc support frame 1a fixed mounting is in the bottom of frame 1.

Based on the above embodiment, the technical problem that the application wants to solve is how to make the putting of orthopedics nail equipment of getting more convenient. For this reason, this application has realized improving the function that frame 1 placed stability and portability through arc support frame 1 a. Because the bone nail is installed at patient's four limbs mostly, for more convenient prevent that orthopedics from getting nail equipment, at the bottom fixed mounting of frame 1 arc support frame 1a, when selecting the locating place, through arc support frame 1 a's support, can stride patient's limbs and put frame 1 to it is more convenient to make to get the nail.

Further, the present application still has the drawback that some bone screws are not vertically installed in the patient, which results in inconvenience in removing the screws, and in order to solve this problem, as shown in fig. 9-11:

frame 1 still includes connecting rod 1b and top support frame 1c, and connecting rod 1b is equipped with a plurality ofly, and connecting rod 1 b's both ends are articulated in arc support frame 1a and top support frame 1c respectively, and top support frame 1c is located arc support frame 1 a's top, and first mounting bracket 2a slidable mounting is on top support frame 1 c.

Based on the above embodiments, the technical problem that the present application intends to solve is how to further improve the nail extraction efficiency. Therefore, the function of adjusting the nail taking angle is achieved through the connecting rod 1b and the top supporting frame 1 c. Because the installation angle of bone nail in patient is not fixed, consequently, when getting the nail, still need adjustment bone nail and orthopedics to get the angle of nail equipment, make it be in a straight line, for this, through connecting rod 1 b's setting, can adjust top support frame 1 c's position, make top support frame 1c and get nail point and form the contained angle, and spacing through top support frame 1c, make getting of clamp 2b follow contained angle straight line and get the nail, take out the bone nail smoothly, avoid getting the nail in-process, need patient to remove the condition that comes angle regulation, patient has optimized the impression that patient got the nail process.

Further, this application still has the setting of connecting rod 1b and top support frame 1c and makes and get nail in-process top support frame 1c and receive external force influence and take place to rock, leads to the defect that patient is injured, in order to solve this problem, as shown in fig. 9 and 12:

the frame 1 further comprises a rotary driving assembly 1d, the rotary driving assembly 1d comprises a first rotary shaft 1d1, a worm wheel 1d2, a second rotary shaft 1d3, a worm 1d4, a first bevel gear 1d5, a third rotary shaft 1d6, a second bevel gear 1d7 and a handle 1d8, the first rotary shaft 1d1 is rotatably mounted on the arc-shaped support frame 1a, one end of a connecting rod 1b is fixedly sleeved on the first rotary shaft 1d1, the worm wheel 1d2 is fixedly sleeved on the first rotary shaft 1d1, the second rotary shaft 1d3 is rotatably mounted on the arc-shaped support frame 1a, one end of the worm 1d4 is fixedly connected with the second rotary shaft 1d3 and the axis thereof is collinear with the axis of the second rotary shaft 1d3, the worm 1d4 is in transmission connection with the worm wheel 1d2, the first bevel gear 1d5 is fixedly sleeved on the second rotary shaft 1d3, and the third rotary shaft 1d6 is mounted on the arc-shaped support frame 1a, the second bevel gear 1d7 is fixedly sleeved on the third rotating shaft 1d6, the second bevel gear 1d7 is in transmission connection with the first bevel gear 1d5, and the handle 1d8 is fixedly sleeved on the third rotating shaft 1d 6.

Based on the above-mentioned embodiments, the technical problem that the present application intends to solve is how to stabilize the position of the top support 1 c. For this reason, the present application realizes a self-locking function of adjusting the angle of the link 1b by the first rotating shaft 1d1, the worm wheel 1d2, the second rotating shaft 1d3, the worm 1d4, the first bevel gear 1d5, the third rotating shaft 1d6, the second bevel gear 1d7, and the handle 1d 8. When the angle of the connecting rod 1b needs to be adjusted, an operator rotates the handle 1d8, the handle 1d8 drives the third rotating shaft 1d6 to rotate, the third rotating shaft 1d6 drives the second bevel gear 1d7 to rotate, the second bevel gear 1d7 drives the first bevel gear 1d5 in transmission connection with the first bevel gear to rotate, the first bevel gear 1d5 drives the second rotating shaft 1d3 and the worm 1d4 to rotate, the worm 1d4 drives the worm wheel 1d2 in transmission connection with the worm 1d4 to rotate, the worm wheel 1d2 drives the first rotating shaft 1d1 to rotate, so that the connecting rod 1b rotates until the nail taking path of the bone nail and the clamp 2b is in a straight line, so as to smoothly take the nail, and after the adjustment is completed, the position of the top supporting frame 1c is stabilized through the self-locking performance of the worm wheel 1d2 and the worm 1d4, so that the situation that the top supporting frame 1c is displaced during the nail taking process is prevented from being affected.

Further, the present application still has a defect that the position of the top support frame 1c is affected by the third rotary driver 3f4 and the third screw 3f5 during the adjustment process, which results in the inability to adjust, and in order to solve this problem, as shown in fig. 13:

the rack 1 further comprises a top support frame 1c, the top support frame 1c comprises a slide rail 1c1 and a second slide block 1c2, the slide rail 1c1 is fixedly arranged on the top support frame 1c, the second slide block 1c2 is slidably arranged in the slide rail 1c1, and a third rotary driver 3f4 is fixedly arranged on the second slide block 1c 2.

Based on the above-described embodiment, the technical problem that the present application intends to solve is how to prevent the third rotary driver 3f4 from affecting the rotation of the link 1 b. For this reason, the present application realizes the function of synchronously moving the third rotary actuator 3f4 with the mounting plate 3a by the slide rail 1c1 and the second slider 1c 2. After the connecting rod 1b rotates, the mounting plate 3a also moves synchronously with the top support frame 1c, and the mounting plate 3a is in threaded connection with the third screw 3f5, so that the sliding rail 1c1 and the second sliding block 1c2 are arranged on the top support frame 1c, and the third rotary driver 3f4 is mounted on the second sliding block 1c2, so that when the mounting plate 3a moves, the third rotary driver 3f4 drives the second sliding block 1c2 to slide synchronously, so that the top support frame 1c can move stably, and the third rotary driver 3f4 and the third screw 3f5 are prevented from blocking the rotation of the connecting rod 1 b.

The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The orthopedic nail taking equipment with wide application range is characterized by comprising a rack (1), a clamping device (2) and a control device (3), wherein the clamping device (2) comprises a first mounting frame (2a), a clamp (2b) and a driving assembly (2c), the first mounting frame (2a) is slidably mounted on the rack (1), the clamp (2b) is rotatably mounted on the first mounting frame (2a), the driving assembly (2c) comprises a second mounting frame (2c1), a first rotary driver (2c2) and a first screw (2c3), the second mounting frame (2c1) is slidably mounted on the first mounting frame (2a), the first rotary driver (2c2) is fixedly mounted on the first mounting frame (2a), the first screw (2c3) is rotatably mounted on the first mounting frame (2a), one end of the first screw (2c3) is in transmission connection with a driving end of the first mounting frame (2a), the first screw rod (2c3) is in threaded connection with the second mounting rack (2c 1); the control device (3) is installed on the rack (1), and the driving end of the control device (3) is in transmission connection with the first installation frame (2 a).

2. The wide-application-range orthopaedic nail removing device according to claim 1, wherein the clamping device (2) further comprises a measuring assembly (2d), the measuring assembly (2d) is provided with two measuring assemblies (2d) respectively located at two sides of the second mounting frame (2c1), the measuring assembly (2d) comprises a first sliding block (2d1), a first pressure sensor (2d2) and a first elastic member (2d3), the first sliding block (2d1) is slidably mounted in the second mounting frame (2c1), the first pressure sensor (2d2) is fixedly mounted on the second mounting frame (2c1), and two ends of the first elastic member (2d3) are respectively fixedly connected with the first sliding block (2d1) and the first elastic member (2d 3).

3. A broad-spectrum orthopaedic stapling instrument according to claim 2, characterized in that the measuring assembly (2d) further comprises a roller (2d4), the roller (2d4) being rotatably mounted on the first slide block (2d 1).

4. The wide-application-range orthopedic nail removing device according to claim 1, wherein the control device (3) comprises a mounting plate (3a), an annular mounting seat (3b), a second rotary driver (3c) and a second screw (3d), the mounting plate (3a) is slidably mounted on the rack (1), the annular mounting seat (3b) is fixedly mounted on the mounting plate (3a), the second rotary driver (3c) is fixedly mounted on the rack (1), the second screw (3d) is rotatably mounted on the rack (1), one end of the second screw (3d) is in transmission connection with a driving end of the second rotary driver (3c), and the second screw (3d) is in threaded connection with the annular mounting seat (3 b).

5. The orthopaedic nail extracting device with wide application range according to claim 4, wherein the annular mounting seat (3b) is rotatably mounted on the mounting plate (3a), the control device (3) further comprises a switching component (3e), the switching component (3e) comprises a lantern ring (3e1), a plectrum (3e2), a pin (3e3), a rotary gear (3e4), a cylindrical sleeve (3e5) and a ring-shaped tooth (3e6), the lantern ring (3e1) is rotatably sleeved on the annular mounting seat (3b), the plectrum (3e2) is hinged with the lantern ring (3e1), the pin (3e3) is fixedly arranged on the plectrum (3e2), holes matched with the pin (3e3) are respectively arranged on the mounting plate (3a) and the second screw (3d), the rotary gear (3e4) is fixedly sleeved on the annular mounting seat (3b), and the cylindrical sleeve (3e5) is mounted on the mounting plate (3a), the first mounting frame (2a) is slidably mounted in the cylindrical sleeve (3e5), the annular teeth (3e6) are fixedly arranged on the cylindrical sleeve (3e5), and the rotary gear (3e4) is in transmission connection with the annular teeth (3e 6).

6. An orthopaedic nail extraction apparatus with a wide range of applications according to claim 5, wherein the control device (3) further comprises a sliding seat (3f1), a second pressure sensor (3f2), a second elastic member (3f3), a third rotary driver (3f4) and a third screw (3f5), the sliding seat (3f1) is slidably mounted in the cylindrical sleeve (3e5) and is located below the first mounting bracket (2a), the second pressure sensor (3f2) is fixedly mounted on the sliding seat (3f1), two ends of the second elastic member (3f3) are fixedly connected with the first mounting bracket (2a) and the sliding seat (3f1), respectively, the third rotary driver (3f4) is fixedly mounted on the cylindrical sleeve (3e5), the third screw (3f5) is rotatably mounted on the cylindrical sleeve (3e5), one end of the cylindrical sleeve (3e5) is connected with the driving end rotary driver (3f4), the third screw rod (3f5) is in threaded connection with the sliding seat (3f 1).

7. The wide-application-range orthopaedic nail removing device according to claim 6, wherein the rack (1) comprises an arc-shaped support frame (1a), and the arc-shaped support frame (1a) is fixedly installed at the bottom of the rack (1).

8. The wide-application-range orthopaedic nail removing device according to claim 7, wherein the rack (1) further comprises a plurality of connecting rods (1b) and a plurality of top support frames (1c), the two ends of each connecting rod (1b) are hinged to the corresponding arc-shaped support frame (1a) and the corresponding top support frame (1c), the top support frames (1c) are located above the corresponding arc-shaped support frames (1a), and the first mounting frame (2a) is slidably mounted on the corresponding top support frame (1 c).

9. The orthopedic nail-removing device with wide application range according to claim 8, characterized in that the frame (1) further comprises a rotary driving component (1d), the rotary driving component (1d) comprises a first rotary shaft (1d1), a worm gear (1d2), a second rotary shaft (1d3), a worm (1d4), a first bevel gear (1d5), a third rotary shaft (1d6), a second bevel gear (1d7) and a handle (1d8), the first rotary shaft (1d1) is rotatably mounted on the arc-shaped support frame (1a), one end of the connecting rod (1b) is fixedly sleeved on the first rotary shaft (1d1), the worm gear (1d2) is fixedly sleeved on the first rotary shaft (1d1), the second rotary shaft (1d3) is rotatably mounted on the arc-shaped support frame (1a), one end of the 1d4) is fixedly connected with the second rotary shaft (1d3) and the axis thereof is collinear with the axis of the second rotary shaft (3), the worm (1d4) is in transmission connection with a worm wheel (1d2), a first bevel gear (1d5) is fixedly sleeved on a second rotating shaft (1d3), a third rotating shaft (1d6) is rotatably installed on an arc-shaped supporting frame (1a), a second bevel gear (1d7) is fixedly sleeved on the third rotating shaft (1d6), the second bevel gear (1d7) is in transmission connection with the first bevel gear (1d5), and a handle (1d8) is fixedly sleeved on the third rotating shaft (1d 6).

10. The wide-application-range orthopaedic nail removing device according to claim 8, wherein the frame (1) further comprises a top support frame (1c), the top support frame (1c) comprises a slide rail (1c1) and a second slide block (1c2), the slide rail (1c1) is fixedly arranged on the top support frame (1c), the second slide block (1c2) is slidably arranged in the slide rail (1c1), and the third rotary driver (3f4) is fixedly arranged on the second slide block (1c 2).