CN217447983U

CN217447983U - Broken nail extractor

Info

Publication number: CN217447983U
Application number: CN202220413034.3U
Authority: CN
Inventors: 王斌; 吴畏; 陈阳
Original assignee: Ningbo Huamei Hospital University of CAS
Current assignee: Ningbo Huamei Hospital University of CAS
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-09-20
Anticipated expiration: 2032-02-28

Abstract

The application discloses disconnected nail extractor includes: the nail extractor comprises a support, a fixing block, a driving device and a nail extractor, wherein the fixing block is arranged on the support in a sliding mode through the driving device, and the nail extractor is arranged on the fixing block; the broken nail extractor further comprises: the rotating block is rotatably arranged on the fixed block, and the nail extractor is arranged on one side of the rotating block; the laser device is arranged on the other side of the nail extractor, and the laser device is symmetrically arranged on the other side of the nail extractor along the axis of the rotating block rotating around the fixed block. The application has the advantages that: provides a broken nail extractor with accurate positioning.

Description

Broken nail extractor

Technical Field

The application relates to the field of medical equipment, in particular to a broken nail extractor.

Background

In the orthopedic surgery, the steel nail is very commonly used for being embedded into the bone, but because the steel nail is embedded into the human body for too long time, the steel nail can be broken, and if the steel nail is not taken out, the life quality of a patient can be influenced.

In order to ensure that the broken screw can not vibrate in the horizontal direction when being spirally broken, the conventional broken screw extractor is driven to the upper part of the broken screw by a thread and a screw rod; however, in this way, it is difficult to ensure that the nail-taking drill of the nail-taking device is really opposite to the broken nail, and during operation, the position of the nail-taking drill needs to be frequently adjusted by a worker.

Disclosure of Invention

This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.

To solve the technical problems mentioned in the background section above, some embodiments of the present application provide a broken nail extractor including: the nail extractor comprises a support, a fixing block, a driving device and a nail extractor, wherein the fixing block is arranged on the support in a sliding mode through the driving device, and the nail extractor is arranged on the fixing block;

the broken nail extractor further comprises:

the rotating block is rotatably arranged on the fixed block, and the nail extractor is arranged on one side of the rotating block;

the laser device is arranged on the other side of the nail extractor symmetrically along the axis of the rotating block rotating around the fixed block.

Optionally, a rotating shaft is arranged on the rotating block, the rotating shaft is rotatably connected with the fixed block, the fixed block is provided with at least two concave holes, and the two concave holes are symmetrically arranged on two sides of the rotating shaft; and the rotating block is provided with a positioning ball through an elastic piece, and the positioning ball corresponds to the concave hole.

Optionally, a sleeve is arranged on the rotating block, the positioning ball is connected with the inner wall of the bottom end of the sleeve through the elastic piece, and the positioning ball is arranged in the sleeve.

Optionally, be provided with annular rail on the fixed block, annular rail is used for connecting the symmetry setting and is in the shrinkage pool of pivot both sides.

Optionally, the driving device includes a longitudinal displacement assembly and a transverse displacement assembly, which are disposed on the bracket, wherein the longitudinal displacement assembly is used for adjusting a longitudinal distance of the fixing block, and the transverse displacement assembly is used for adjusting a transverse distance of the fixing block.

Optionally, the longitudinal displacement assembly includes a longitudinal guide shaft disposed on the bracket, a screw rod disposed on the longitudinal guide shaft, and a connecting block disposed on the screw rod in a penetrating manner.

Optionally, the transverse displacement assembly comprises a transverse guide rail connected with the connecting block and a stud arranged on the transverse guide rail, and the fixing block is arranged on the stud in a penetrating manner.

Optionally, the nail extractor further comprises a longitudinal shaft connected with the rotating block, a moving plate arranged on the longitudinal shaft in a sliding mode, a driving motor arranged on the moving plate and an air cylinder arranged on the rotating block, wherein a power output shaft of the air cylinder is connected with the moving plate, and a power output shaft of the driving motor is detachably connected with the nail extracting drill bit.

Optionally, a spring is sleeved on the longitudinal shaft, and the spring is connected with the moving plate.

The beneficial effect of this application lies in: a broken nail extractor with accurate positioning 7 is provided.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it.

Further, throughout the drawings, the same or similar reference numerals denote the same or similar elements. It should be understood that the drawings are schematic and that elements and components are not necessarily drawn to scale.

In the drawings:

FIG. 1 is a general schematic view of a broken nail extractor in accordance with one embodiment of the present application;

FIG. 2 is an overall schematic illustration of a broken nail extraction according to one embodiment of the present application.

Figure 3 is an exploded view of a broken nail extractor in accordance with one embodiment of the present application.

Fig. 4 is an enlarged view taken at a in fig. 3, showing a partial structure between the rotating plate and the fixed plate.

Figure 5 is a front view of a broken nail extractor in accordance with one embodiment of the present application.

Fig. 6 is an enlarged view at B in fig. 5, showing the structure of the staple remover part.

FIG. 7 is a bottom view of the fixing block

Detailed Description

Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it is to be understood that the disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided for a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and the embodiments of the disclosure are for illustration purposes only and are not intended to limit the scope of the disclosure.

It should be noted that, for the convenience of description, only the parts relevant to the present application are shown in the drawings. The embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict.

It is noted that references to "a", "an", and "the" modifications in this disclosure are intended to be illustrative rather than limiting, and that those skilled in the art will recognize that "one or more" may be used unless the context clearly dictates otherwise.

The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 6, the broken nail extractor 100 of the present application includes a holder 10, a driving device, a fixing block 20, and a nail extractor 30, wherein the nail extractor 30 is disposed on the fixing block 20, the holder 10 is used for fixing the edge of the operating table, and the driving device can move the fixing block 20 to a position right above the broken nail, so that the driver 30 does not generate a horizontal displacement when the broken nail is extracted, thereby minimizing damage to bone tissue around the broken nail.

Further, the driving device comprises a longitudinal displacement assembly and a transverse displacement assembly, the longitudinal displacement assembly comprises a longitudinal guide shaft 211, a screw rod 212, a connecting block 213 and a hand wheel 214, wherein the longitudinal guide shaft 211 is arranged at the tail end of the bracket 10, the connecting block 213 is slidably arranged on the longitudinal guide shaft 211, the screw rod 212 is rotatably arranged on the longitudinal guide shaft 211, the hand wheel 214 is rotatably connected with the screw rod 212, the connecting block 213 is arranged on the screw rod 212 in a penetrating manner, and the connecting block 213 and the screw rod 212 are engaged through threads. Thus, the connecting block can be driven to move longitudinally by rotating the handwheel 214.

The transverse displacement assembly comprises a transverse guide rail 221, a stud 222 and a rotating wheel 223; wherein, the transverse guide rail 221 is connected with the connecting block 213; the stud 222 is rotatably arranged on the transverse guide rail 221, the rotating wheel 223 is connected with the stud 222, and the fixing block 20 is arranged on the stud 222 in a penetrating manner, so that the fixing block 20 can be driven to transversely displace by rotating the rotating wheel 223.

So, this application can be through the horizontal displacement of screw thread, screw rod transmission's mode control fixed block 20 through setting up drive arrangement, and in operation, the removal mode guide fixed block 20 that adopts screw thread, screw rod moves, so the distance of the motion of control fixed block 20 that can be accurate.

Therefore, when the nail extractor 30 extracts the broken nails above the broken nails, the broken nails cannot be extracted upwards by the nail extractor 30, so that the broken nails cannot be damaged by bones around the broken nails; and adopt the mode of screw thread, screw rod to fix fixed block 20, can guarantee also can not produce lateral displacement when taking out the broken nail, secondary damage appears.

Further, in actual work, it is difficult to ensure that the nail taking drill head of the nail taking device directly faces the broken nail position of a patient, and the following technical scheme is adopted for the purpose.

The fixed block 20 is connected with a rotating block 232 through a rotating shaft 231, the nail extractor is arranged on one side of the rotating block 232, a laser 233 is arranged on the other side of the rotating block 232, and the laser 233 and the nail extractor 30 are symmetrically arranged on two sides of the rotating shaft 231; as such, the laser 233 is disposed vertically downward; thus, when the laser 233 forms a spot on the patient to irradiate the broken nail position, the rotating block 232 is rotated 180 degrees, and the positions of the nail extractor 30 and the laser 233 are exchanged; thus, the staple remover 30 will be opposite to the staple breaking position.

Further, the fixed block 20 is further provided with two concave holes 234, and the two concave holes 234 are symmetrically arranged on two sides of the rotating shaft 231; a sleeve 2321 is arranged on the rotating block 232, the inner wall of the bottom end of the sleeve 2321 is connected with a positioning ball 2323 through an elastic member 2322, and the positioning ball 2323 corresponds to the concave hole 234; the two recesses 234 are connected by a ring-shaped guide 2341. In this way, the positioning ball 2323 is snapped into the concave hole 234, so that whether the rotating block 232 rotates 180 ° can be visually sensed.

The driver 30 comprises a longitudinal shaft 31, a moving plate 32, a driving motor 33, a cylinder 34 and a nail taking drill 35; the cylinder 34 is arranged on the rotating block 232, the longitudinal shaft 31 is arranged on the rotating plate 232, the moving plate 32 is sleeved on the longitudinal shaft 31, and the moving plate 32 is connected with a power output shaft of the cylinder 34; the driving motor 33 is arranged on the moving plate 32, and a power output shaft of the driving motor 33 is connected with the nail taking rotary head 35. Thus, under the pushing of the cylinder 34, the moving plate 32 can drive the nail taking drill 35 to move up and down; meanwhile, the screw taking drill 35 can rotate, so that broken screws can be taken out. The longitudinal shaft 31 is sleeved with a spring 311.

Further, in order to ensure that the support 10 can be slidably disposed on the operating bed, a rotating column 41, a reset member 42, a supporting plate 43, and a fixing seat 44 are further disposed at the bottom end of the support 10, wherein the fixing seat 44 is a seat body having a C-shaped groove at the bottom end of the support 10, the supporting plate 43 is slidably disposed in the rotating seat 44, the rotating column 41 is disposed on the support 10 in a penetrating manner, and the rotating column 41 and the support 10 are in threaded connection.

The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention in the embodiments of the present disclosure is not limited to the specific combination of the above-mentioned features, but also encompasses other embodiments in which any combination of the above-mentioned features or their equivalents is made without departing from the inventive concept as defined above. For example, the above features and (but not limited to) technical features with similar functions disclosed in the embodiments of the present disclosure are mutually replaced to form the technical solution.

Claims

1. A broken nail extractor comprising: the nail extractor comprises a support, a fixing block, a driving device and a nail extractor, wherein the fixing block is arranged on the support in a sliding mode through the driving device, and the nail extractor is arranged on the fixing block;

the method is characterized in that:

the broken nail extractor further comprises:

the laser device is arranged on the other side of the nail extractor, and the laser device is symmetrically arranged on the other side of the nail extractor along the axis of the rotating block rotating around the fixed block.

2. A broken nail extractor according to claim 1, wherein: the rotating block is provided with a rotating shaft, the rotating shaft is rotatably connected with the fixed block, the fixed block is provided with at least two concave holes, and the two concave holes are symmetrically arranged on two sides of the rotating shaft; and the rotating block is provided with a positioning ball through an elastic piece, and the positioning ball corresponds to the concave hole.

3. A broken nail extractor according to claim 2, wherein: the rotating block is provided with a sleeve, the positioning ball is connected with the inner wall of the bottom end of the sleeve through the elastic piece, and the positioning ball is arranged in the sleeve.

4. A broken nail extractor according to claim 2, wherein: be provided with annular rail on the fixed block, annular rail is used for connecting the symmetry and sets up the shrinkage pool of pivot both sides.

5. A broken nail extractor according to claim 1, wherein: the driving device comprises a longitudinal displacement assembly and a transverse displacement assembly which are arranged on the support, wherein the longitudinal displacement assembly is used for adjusting the longitudinal distance of the fixed block, and the transverse displacement assembly is used for adjusting the transverse distance of the fixed block.

6. A broken nail extractor according to claim 5, wherein: the longitudinal displacement assembly comprises a longitudinal guide shaft arranged on the support, a screw rod arranged on the longitudinal guide shaft and a connecting block arranged on the screw rod in a penetrating mode.

7. A broken nail extractor according to claim 6, wherein: the transverse displacement assembly comprises a transverse guide rail connected with the connecting block and a stud arranged on the transverse guide rail, and the fixing block is arranged on the stud in a penetrating mode.

8. A broken nail extractor according to claim 7, wherein: the nail extractor further comprises a longitudinal shaft connected with the rotating block, a moving plate arranged on the longitudinal shaft in a sliding mode, a driving motor arranged on the moving plate and an air cylinder arranged on the rotating block, wherein a power output shaft of the air cylinder is connected with the moving plate, and a power output shaft of the driving motor is detachably connected with the nail extracting drill bit.

9. A broken nail extractor according to claim 8, wherein: the longitudinal shaft is sleeved with a spring, and the spring is connected with the moving plate.