CN215458579U

CN215458579U - Bone surgery is with getting nail device

Info

Publication number: CN215458579U
Application number: CN202121617497.3U
Authority: CN
Inventors: 农明普; 何梅转
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-01-11
Anticipated expiration: 2031-07-16

Abstract

The utility model discloses a nail taking device for orthopedic surgery, which belongs to the technical field of nail taking devices for orthopedic surgery and comprises a support, wherein a sliding rail is welded on the surface of the support, the surface of the sliding rail is in matched sliding connection with a sliding block, the surface of the sliding block is welded with a supporting rod, the inner wall of the supporting rod is in matched rotating connection with a threaded rod, the surface of the threaded rod is in matched threaded connection with a moving block, the inner wall of the moving block is provided with a motor, the surface of the moving block is welded with a spring telescopic rod, one side of the surface of the spring telescopic rod is welded with an anti-falling block, the whole device can be kept stable in the moving process through the mutual matching of the sliding block, the threaded rod and the moving block, the taking is more stable, and the device can be conveniently switched to stop and slide in the moving process through a base.

Description

Bone surgery is with getting nail device

Technical Field

The utility model relates to the technical field of nail taking devices for orthopedic surgery, in particular to a nail taking device for orthopedic surgery.

Background

In orthopaedics, metal materials are mainly implanted into a human body, and in the case of treatment by adopting an internal steel plate fixing mode, after a broken bone is healed, a bone nail and a steel plate need to be taken out, and the bone nail is difficult to take out by using a common screwdriver.

Patent CN209574856U discloses a nail device is got in operation for orthopedic medical treatment, this utility model discloses a nail device is got in operation for orthopedic medical treatment, including the bone nail body, first recess has been seted up at the top of bone nail body, has all seted up the draw-in groove on the both sides inner wall of first recess, and movable mounting has the fixture block in the draw-in groove, and the top fixed mounting of fixture block has first bracing piece, and the top of bone nail body is equipped with first supporting block, and the second recess has been seted up at the top of first supporting block, and the top fixed mounting of first bracing piece has the second supporting shoe that is located the second recess, and the screw thread through-hole has been seted up to one side of second supporting shoe, and same second bracing piece is installed to two screw thread through-hole internal threads, and one side of first supporting block is equipped with the third bracing piece. The bone nail taking device is simple in structure and convenient to operate, and can prevent the bone nail from being separated from the surgical nail taking device in the bone nail taking process, so that the bone nail can be taken out quickly and safely.

The surgical nail-removing device for orthopedic medical treatment has the following disadvantages: 1. when the surgical nail removing device for orthopedic medical treatment is used, the stability is poor, and certain influence is easily generated on other parts in the removing process; 2. when the surgical nail taking device for orthopedic medical treatment is used, the nail is easy to fall off when being taken out, so that secondary damage is caused to human bodies. Therefore, a nail taking device for orthopedic surgery is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a nail taking device for orthopedic surgery, which aims to keep the whole device stable in the moving process through the mutual matching of a sliding block, a threaded rod and a moving block, so that the taking is more stable, and the device can be switched to stop and slide conveniently in the moving process through a base.

The specific technical scheme provided by the utility model is as follows:

the utility model provides a nail taking device for orthopedic surgery, which comprises a support, wherein a slide rail is welded on the surface of the support, the surface of the slide rail is in matched sliding connection with a slide block, a support rod is welded on the surface of the slide block, the inner wall of the support rod is in matched rotating connection with a threaded rod, the surface of the threaded rod is in matched threaded connection with a moving block, a motor is installed on the inner wall of the moving block, a spring telescopic rod is welded on the surface of the moving block, an anti-falling block is welded on one side of the surface of the spring telescopic rod, a threaded groove is in matched sliding connection with the surface of the anti-falling block, the surface of the support is in matched sliding connection with the inner wall of a base, a spring friction block is welded on the inner wall of the base, and a switch is installed on the surface of the slide block.

Optionally, a spring is welded on the surface of the moving block, and the other side of the surface of the spring is welded on the surface of the sliding block.

Optionally, the power output end of the motor is detachably connected with a screwdriver, and the surface of the screwdriver is magnetized.

Optionally, a spring rod is welded on one side of the surface of the thread groove, and the other side of the surface of the spring rod is welded on the inner wall of the anti-falling block.

Optionally, the inner wall of the base is rotatably connected with a roller in a matching manner.

Optionally, the switching power supply input end is electrically connected with the external power supply output end through a wire, and the switching power supply output end is electrically connected with the motor power supply input end through a wire.

The utility model has the following beneficial effects:

the embodiment of the utility model provides a nail taking device for orthopedic surgery, which comprises:

1. when the nail taking device for orthopedic surgery is used, a doctor only needs to face the affected part of a patient through the sliding slide block and open the switch, and then the doctor only needs to push the moving block downwards to drive the spring telescopic rod and the screwdriver to move downwards together until the moving block is contacted with the skin surface of the patient, so that the falling-prevention block can compress the spring telescopic rod to shrink under the limiting action of the skin surface, the screwdriver can continue to move downwards until threads in the body of the patient are contacted, the screwdriver is driven to rotate by the motor to drive the screws in the body of the patient to rotate to take the screw, and the screw can meet thread grooves on the surface of the falling-prevention block when the screw continuously moves upwards, the great one side of screw will extrude the thread groove, under the effect of spring beam, the thread groove moves backward mutually, the thread groove can be tightly laminated under the effect of spring beam at screw lower extreme part when meetting the less part of screw lower extreme, and carry out the screw thread combination like this at the in-process of continuous taking out with it, just can not cause droing of screw, just so effectually prevented, the secondary damage that causes patient because the screw drops, and when removing the movable block, under the auxiliary action of the threaded rod on movable block surface, let its more steady and the spring that removes then let the doctor certain resistance when removing, the effectual damage that has reduced because of removing too fast and cause patient's health of feeling that has increased the doctor like this.

2. The positions of the nails which can not be fixed by a patient are different, the positions of the nails to be taken are also different, in order to adapt to the taking of nails at more positions, when the nail taking device for orthopedic surgery is used, the base is placed on the protective rods at two sides of the operating bed, when the nail taking device needs to be moved, the supports at two sides are only required to be lifted upwards, the spring friction block is upwards bounced under the action of the spring, the notch on the spring friction block corresponds to the roller, the spring friction block is released, the friction force generated by the roller is eliminated, the whole device can be easily pushed to move under the action of the roller, when the nail taking device is moved to a specified position, the support is only required to be put down, the support can generate certain oppression force on the spring friction block to oppress the notch to be separated from the surface of the roller, the spring friction block can generate larger friction force on the roller, and the whole device can be stopped at the specified position, subsequent nail taking work is conveniently carried out.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic overall structure diagram of a nail removing device for orthopedic surgery according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a base of the nail removing device for orthopedic surgery according to the embodiment of the utility model;

fig. 3 is a schematic structural view of an anti-falling block of the nail removing device for orthopedic surgery according to the embodiment of the utility model.

In the figure: 1. a support; 2. a slide rail; 3. a slider; 4. a support bar; 5. a threaded rod; 6. a moving block; 7. a motor; 8. a screwdriver; 9. a spring telescopic rod; 10. preventing blocks from falling; 11. a spring; 12. a spring lever; 13. a thread groove; 14. a base; 15. a spring friction block; 16. a roller; 17. and (4) switching.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A nail removing device for orthopedic surgery according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1 to 3, the nail taking device for orthopedic surgery provided by the embodiment of the utility model comprises a support 1, and is characterized in that a sliding rail 2 is welded on the surface of the support 1, a sliding block 3 is connected to the surface of the sliding rail 2 in a sliding manner in a matching manner, a supporting rod 4 is welded on the surface of the sliding block 3, a threaded rod 5 is connected to the inner wall of the supporting rod 4 in a rotating manner in a matching manner, a moving block 6 is connected to the surface of the threaded rod 5 in a threaded manner in a matching manner, a motor 7 is installed on the inner wall of the moving block 6, a spring telescopic rod 9 is welded on the surface of the moving block 6, an anti-falling block 10 is welded on one side of the surface of the spring telescopic rod 9, a threaded groove 13 is connected to the surface of the anti-falling block 10 in a sliding manner in a matching manner, the surface of the support 1 is connected to the inner wall of a base 14 in a sliding manner, a spring friction block 15 is welded on the inner wall of the base 14, and a switch 17 is installed on the surface of the sliding block 3.

By means of the mutual matching of the sliding block 3, the threaded rod 5 and the moving block 6, the whole device can be kept stable in the moving process, the taking is more stable, and the device can be switched to stop and slide conveniently in the moving process through the base 14.

Referring to fig. 1, a spring 11 is welded on the surface of the moving block 6, and the other side of the surface of the spring 11 is welded on the surface of the sliding block 3.

Illustratively, the resistance of the moving block 6 during movement is increased by the elastic force of the spring 11, which effectively prevents the injury to the patient caused by the doctor moving too fast.

Referring to fig. 1, a screwdriver 8 is detachably connected to the power output end of the motor 7, and the surface of the screwdriver 8 is magnetized.

Illustratively, the motor 7 drives the screwdriver 8 to rotate, and the surface of the screwdriver 8 is magnetized to adsorb screws more easily.

Referring to fig. 3, a spring bar 12 is welded to one side of the surface of the thread groove 13, and the other side of the surface of the spring bar 12 is welded to the inner wall of the anti-falling block 10.

Illustratively, the screw groove 13 is reset by the spring rod 23 without receiving an external force.

Referring to fig. 2, rollers 16 are rotatably coupled to the inner wall of the base 14.

Illustratively, the friction between the base 14 and the guard bar of the operating table is reduced by the rollers 16.

Referring to fig. 1, the power input end of the switch 17 is electrically connected with the power output end of the external power supply through a wire, and the power output end of the switch power supply is electrically connected with the power input end of the motor 7 through a wire.

Illustratively, the rotation and stop of the motor 7 is controlled by a switch 17.

When the device is used, an external power supply is connected, the base 14 is placed on the guard bars at two sides of the operating table, when the device needs to be moved, the supports 1 at two sides are only required to be lifted upwards, the spring friction block 15 is sprung upwards under the action of the spring, so that the notch on the spring friction block 15 corresponds to the roller 16, the friction force generated by the spring friction block 15 on the roller 16 is eliminated, at the moment, the whole device can be pushed to move easily under the action of the roller 16, when the device is moved to a specified position, the support 1 is only required to be placed down, so that the support 1 can generate a certain pressing force on the spring friction block 15, the notch is pressed to be separated from the surface of the roller 16, so that the spring friction block 15 generates a larger friction force on the roller 16, the whole device can be stopped at a specified place, subsequent nail taking work is convenient, a doctor only needs to make the doctor face the affected part of the patient through the sliding slide block 3, the switch 17 is opened, and then the doctor only needs to push the moving block 6 downwards to drive the spring telescopic rod 9 and the screwdriver 8 to move downwards together until the moving block contacts with the skin surface of a patient, so that the anti-falling block 10 compresses the spring telescopic rod 9 to contract under the limiting action of the skin surface, the screwdriver 8 continues to move downwards until the screw in the patient body contacts, the screwdriver 8 is driven to rotate under the driving of the motor 7, so as to drive the screw in the patient body to rotate to take the screw, when the screw continuously moves upwards, the screw meets the thread groove 13 on the surface of the anti-falling block 10, the larger side of the screw extrudes the thread groove 13, under the action of the spring rod 12, the thread groove 13 moves backwards, when the smaller part of the lower end of the screw meets the part of the lower end of the screw, the thread groove 13 is tightly attached to the lower end part of the screw under the action of the spring rod 12 and is in threaded combination with the lower end of the screw, in the continuous taking process, just can not cause the screw to drop, so just effectually prevent, secondary damage to patient because the screw drops to when removing movable block 6, under the auxiliary action of the threaded rod 5 on movable block 6 surface, let its more steady and spring 11 then let the doctor have certain resistance when removing, the effectual damage that reduces to patient's health because of removing too fast that has increased feeling that the doctor removed like this.

The utility model relates to a nail taking device for orthopedic surgery, which comprises a bracket 1; 2. a slide rail; 3. a slider; 4. a support bar; 5. a threaded rod; 6. a moving block; 7. a motor; 8. a screwdriver; 9. a spring telescopic rod; 10. preventing blocks from falling; 11. a spring; 12. a spring lever; 13. a thread groove; 14. a base; 15. a spring friction block; 16. a roller; 17. the switches and components are all standard parts or parts known to those skilled in the art, and the structure and principle of the switches and parts are known to those skilled in the art through technical manuals or through routine experiments.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the utility model. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.

Claims

1. The utility model provides a nail taking device for orthopedic surgery, includes support (1), its characterized in that, support (1) skin weld has slide rail (2), slide rail (2) surface cooperation sliding connection has slider (3), slider (3) skin weld has bracing piece (4), bracing piece (4) inner wall cooperation rotation is connected with threaded rod (5), threaded rod (5) surface cooperation threaded connection has movable block (6), motor (7) is installed to movable block (6) inner wall, movable block (6) skin weld has spring telescopic link (9), spring telescopic link (9) surface one side welding has anti-falling block (10), anti-falling block (10) surface cooperation sliding connection has thread groove (13), support (1) surface cooperation sliding connection is in base (14) inner wall, base (14) inner wall welding has spring friction piece (15), and a switch (17) is arranged on the surface of the sliding block (3).

2. The nail-removing device for the orthopedic surgery according to claim 1, characterized in that a spring (11) is welded on the surface of the moving block (6), and the other side of the surface of the spring (11) is welded on the surface of the sliding block (3).

3. The bone surgery nail taking device as recited in claim 1, characterized in that a screwdriver (8) is detachably connected to the power output end of the motor (7), and the surface of the screwdriver (8) is magnetized.

4. The nail-removing device for the orthopedic surgery according to claim 1, characterized in that a spring rod (12) is welded on one side of the surface of the thread groove (13), and the other side of the surface of the spring rod (12) is welded on the inner wall of the anti-falling block (10).

5. An orthopedic nail removal device according to claim 1, wherein the base (14) has a roller (16) rotatably engaged therewith.

6. The nail removing device for the orthopedic surgery as claimed in claim 1, characterized in that the power input end of the switch (17) is electrically connected with the power output end of an external power supply through a lead, and the power output end of the switch (17) is electrically connected with the power input end of the motor (7) through a lead.