CN220801096U - Nail extractor for orthopaedics - Google Patents

Abstract

The utility model discloses a nail extractor for orthopaedics, which relates to the technical field of medical equipment and aims to solve the problems that manual nail extraction efficiency is low, operation is not convenient and flexible, connection with bone nails is unstable during nail extraction, nail extraction efficiency is affected, and meanwhile workload of medical staff is increased.

Description

Nail extractor for orthopaedics

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a nail extractor for orthopaedics.

Background

Orthopedics is mainly used for researching the anatomy, physiology and pathology of a skeletal muscle system, the normal form and function of the system are maintained and developed by using medicines, operations and physical methods, the orthopedics injury disease spectrum is obviously changed along with the change of times and society, for medical clinic, fracture is one of the common diseases of bone injury, the method adopted for treating the fracture is to implement internal fixation operation, namely after the fracture part is reset, the reset bones are connected by means of a bone plate and a bone nail made of metal materials, and the bone plate and the bone nail are required to be taken out after the bones are connected.

However, in the existing mode of taking out the bone nail in clinic, the affected limb is mostly fixed, and the bone nail is taken out through manual rotation, however, the manual nail taking efficiency is low, the operation is not convenient and flexible enough, the connection with the bone nail is unstable when the nail is taken, the nail taking efficiency is not only influenced, but also the workload of medical staff is increased. Therefore, a nail extractor for orthopaedics is provided to meet the use requirement in clinic.

Disclosure of utility model

The utility model aims to provide a nail extractor for orthopaedics, which solves the problems that in the prior art, in the existing clinical mode for extracting bone nails, most of affected limbs are fixed, the bone nails are extracted through manual rotation, however, the manual nail extraction efficiency is low, the operation is not convenient and flexible enough, the connection with the bone nails is unstable when the nails are extracted, the nail extraction efficiency is affected, and the workload of medical staff is increased.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a nail extractor for orthopedics, includes the barrel, the inside sliding connection of barrel has the core, compression spring and the inside fixed connection of barrel are passed through to the rear end of core, the screwdriver head is installed to the front end of core, the front end of barrel still is provided with the card solid subassembly, the rear end of barrel is connected with the mount through the bearing rotation, the internally mounted of mount has the motor, the output of motor runs through the through-hole of barrel rear end and with core fixed connection, the bottom of mount is provided with the handle, install press switch on the handle, press switch is used for controlling opening of motor to stop.

Preferably, the clamping assembly comprises a through groove, a clamping pin, a torsion spring and a lantern ring, wherein the through groove is formed in the front end of the barrel, the clamping pin is connected with the inside of the through groove in a rotating mode, the torsion spring is arranged on a rotating shaft of the clamping pin and the through groove, the lantern ring is abutted to one side, close to the rear end of the barrel, of the clamping pin, and the inner wall of the lantern ring is in threaded connection with the outer wall of the barrel.

Preferably, the through groove and the bayonet lock are symmetrically arranged, and the front end of the bayonet lock is an inclined plane.

Preferably, the screwdriver bit is flush with the front end of the barrel in the relaxed state of the compression spring.

Preferably, the push switch is mounted above the front end of the handle.

Compared with the prior art, the utility model has the beneficial effects that: this nail ware is got to orthopedics, through barrel, core, compression spring, block solid subassembly, screwdriver head, mount, motor, handle and push switch's cooperation, can open through push switch control motor and stop, thereby realize electronic nail of getting, greatly reduced medical personnel's work load, effectively promote medical personnel's nail efficiency of getting, and through the setting of block solid subassembly and screwdriver head, can also realize the fixed of multiple mode and screw to the bone nail of equidimension, thereby further promote nail efficiency of getting, and whole easy operation, nimble, the convenience of use is higher, be fit for using widely.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is a schematic view of a partial enlarged structure of fig. 2.

In the figure: 1. barrel, 2, core, 3, compression spring, 4, logical groove, 5, bayonet lock, 6, torsional spring, 7, lantern ring, 8, screwdriver bit, 9, mount, 10, motor, 11, handle, 12, push switch.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The components of the utility model are all common standard components or components known to those skilled in the art, and the structures and principles thereof are all known to those skilled in the art through technical manuals or through routine experimental methods.

Referring to fig. 1 to 3, the present utility model provides a technical solution:

The utility model provides a nail extractor for orthopedics, including barrel 1, the inside sliding connection of barrel 1 has core 2, compression spring 3 is passed through with the inside fixed connection of barrel 1 to the rear end of core 2, screwdriver head 8 is installed to the front end of core 2, the front end of barrel 1 still is provided with the card solid subassembly, the rear end of barrel 1 is connected with mount 9 through the bearing rotation, the internally mounted of mount 9 has motor 10, the output of motor 10 runs through the through-hole of barrel 1 rear end and with core 2 fixed connection, the bottom of mount 9 is provided with handle 11, install push switch 12 on the handle 11, push switch 12 is used for controlling motor 10 to open and stop.

It should be noted that, in this embodiment, the core 2 may slide in the barrel 1 under force, and through the arrangement of the compression spring 3, the core 2 may be automatically reset after being stressed, and the bolt tool bit 8 may be a cross tool bit or a hexagonal tool bit, which is not limited in this embodiment, only needs to be guaranteed to be matched with a bone nail, and the fastening component is used to fasten with a preformed hole on a side wall of a tail end of the bone nail so as to take out the bone nail, the model number of the motor 10 is YS-50-70KTYZ, the push switch 12 is communicated with the motor 10, that is, the motor 10 starts to rotate when being pushed, and the motor 10 stops rotating when not being pushed.

Specifically, during the use, with motor 10 and external power supply intercommunication, grip handle 11 establishes the front end cover of barrel 1 on waiting to get the bone nail, through the solid subassembly of card and the preformed hole block of bone nail tail end lateral wall, simultaneously through compression spring 3's setting, and the sliding connection of core 2 and barrel 1, make screwdriver bit and bone nail tail end agree with each other, buckle press switch 12 and make motor 12 rotate this moment, through motor 12's output and barrel 1's fixed, make barrel 1 can rotate along with motor 12's rotation, thereby drive the bone nail and unscrew, thereby realize getting the nail fast, promote medical personnel's simple operation, more nimble during the use, and can effectively reduce medical personnel work load.

As a preferred embodiment, the clamping assembly comprises a through groove 4, a clamping pin 5, a torsion spring 6 and a lantern ring 7, wherein the through groove 4 is arranged at the front end of the barrel 1, the clamping pin 5 is rotationally connected in the through groove 4, the torsion spring 6 is arranged on the rotating shaft of the clamping pin 5 and the through groove 4, one side, close to the rear end of the barrel 1, of the clamping pin 5 abuts against the lantern ring 7, and the inner wall of the lantern ring 7 is in threaded connection with the outer wall of the barrel 1.

Specifically, during the use, when the bone nail gets into barrel 1 front end, through the setting of torsional spring 6, can make the bone nail can embed barrel 1 front end inside automatically, at this moment through the resilience of torsional spring 6 or make it to one side rotation of bayonet lock 5 through rotating lantern ring 7, through the extrusion of lantern ring 7 to bayonet lock 5 for bayonet lock 5 can inlay into the preformed hole of bone nail lateral wall, thereby with the bone nail block fixed, and then drive the bone nail rotation along with barrel 1 rotates, realize getting the nail fast.

As a preferred embodiment, the through groove 4 and the bayonet 5 are symmetrically arranged, and the front end of the bayonet 5 is an inclined plane.

Specifically, be the symmetry setting through logical groove 4 and bayonet lock 5, can make the block between bayonet lock 5 and the bone nail fixed more stable, and be the inclined plane through the front end of bayonet lock 5, can further reduce the motion interference when bone nail and bayonet lock 5 block operation, further promote the use convenience.

As a preferred embodiment, the screwdriver bit 8 is flush with the front end of the barrel 1 in the relaxed state of the compression spring 3.

Specifically, through the parallel and level setting of screwdriver bit 8 and the front end of barrel 1, can make screwdriver bit 8 can hide in the front end inboard of barrel 1, further promote the aesthetic property, and can effectively avoid screwdriver bit 8 to be touched the damage.

As a preferred embodiment, the push switch 12 is mounted above the front end of the handle 11.

Specifically, install in the front end top of handle 11 through push switch 12, when can making medical personnel one hand operation, accessible index finger control push switch 12 accords with human engineering, and the operation is more convenient.

The components in the present case are sequentially connected by a person skilled in the art, and specific connection and operation sequence should be referred to the following working principle, and the detailed connection means thereof are known in the art, and the following working principle and process are mainly described.

The working process and the working principle of the utility model are as follows: when the screw driver is used, the motor 10 is communicated with an external power supply, the front end of the cylinder body 1 is sleeved on a bone screw to be taken, the clamping assembly is clamped with a reserved hole on the side wall of the tail end of the bone screw, meanwhile, the screw driver is arranged in a sliding mode through the compression spring 3, the core body 2 is in sliding connection with the cylinder body 1, the screwdriver bit is matched with the tail end of the bone screw, the pressing switch 12 is buckled at the moment to enable the motor 12 to rotate, the output end of the motor 12 is fixed with the cylinder body 1, the cylinder body 1 can rotate along with the rotation of the motor 12, and the bone screw is driven to unscrew, so that the screw is quickly taken, the operation convenience of medical staff is improved, the screw driver is more flexible in use, and the workload of medical staff can be effectively reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a nail ware is got to orthopedics which characterized in that: the novel electric screw driver comprises a cylinder body (1), wherein a core body (2) is slidably connected inside the cylinder body (1), the rear end of the core body (2) is fixedly connected with the inside of the cylinder body (1) through a compression spring (3), a screw driver head (8) is arranged at the front end of the core body (2), a clamping component is further arranged at the front end of the cylinder body (1), a fixing frame (9) is rotatably connected to the rear end of the cylinder body (1) through a bearing, a motor (10) is arranged in the fixing frame (9), the output end of the motor (10) penetrates through a through hole at the rear end of the cylinder body (1) and is fixedly connected with the core body (2), a handle (11) is arranged at the bottom of the fixing frame (9), a pressing switch (12) is arranged on the handle (11), and the pressing switch (12) is used for controlling the starting and stopping of the motor (10).

The clamping assembly comprises a through groove (4), a clamping pin (5), a torsion spring (6) and a lantern ring (7), wherein the through groove (4) is arranged at the front end of the barrel (1), the clamping pin (5) is rotationally connected in the through groove (4), the torsion spring (6) is arranged on a rotating shaft of the clamping pin (5) and the through groove (4), one side, close to the rear end of the barrel (1), of the clamping pin (5) is abutted against the lantern ring (7), and the inner wall of the lantern ring (7) is in threaded connection with the outer wall of the barrel (1).

2. The orthopedic nail extractor according to claim 1, characterized in that: the through groove (4) and the bayonet lock (5) are symmetrically arranged, and the front end of the bayonet lock (5) is an inclined plane.

3. The orthopedic nail extractor according to claim 1, characterized in that: the screwdriver head (8) is flush with the front end of the cylinder (1) in the state that the compression spring (3) is relaxed.

4. The orthopedic nail extractor according to claim 1, characterized in that: the push switch (12) is arranged above the front end of the handle (11).