CN214434458U

CN214434458U - Broken nail extractor for trauma orthopedics

Info

Publication number: CN214434458U
Application number: CN202023161044.2U
Authority: CN
Inventors: 凯赛尔江·艾合买提; 阿布都黑力力·买买提艾力; 艾克热木江·阿尔肯
Original assignee: Fifth Affiliated Hospital of Xinjiang Medical University
Current assignee: Fifth Affiliated Hospital of Xinjiang Medical University
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-10-22
Anticipated expiration: 2030-12-24

Abstract

The application discloses wound is disconnected nail extractor for orthopedics, including the sleeve pipe, sleeve pipe lateral wall threaded connection has the horizontal pole, and the lifter is all installed at the horizontal pole both ends, and sleeve pipe lateral wall threaded connection has the nut, and the nut is in the horizontal pole below, and the handle is installed at the sleeve pipe top, and four fixture blocks are installed to sheathed tube lower extreme annular array, and the outer wall of four fixture blocks all is provided with nut complex screw thread section, constitutes cross breach between four fixture blocks, and four fixture blocks constitute projected diameter and are greater than the projected diameter of sleeve pipe. According to the scheme, broken nails are prevented from being taken out by using a backbone reaming method, greater damage to the backbone is effectively avoided, convenience is provided for subsequent fixing of new screws, the degree of shaking of the new screws in bone holes can be reduced without performing backbone reaming, and the fixing strength of the steel plate is effectively enhanced.

Description

Broken nail extractor for trauma orthopedics

Technical Field

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

Background

In clinical practice, the treatment method for the fracture patient mainly adopts the screws to fix the fracture part of the patient, and the screws are taken out after the fracture part is healed, but the screws for fixation are broken due to overlarge stress of the screw part caused by various objective reasons, such as violent movement of the patient.

The traditional taking-out method after the screw is broken is to take out the broken screw after the backbone is reamed, and the reaming damages the backbone, which affects the re-fixation of the screw and reduces the fixation strength of the steel plate.

SUMMERY OF THE UTILITY MODEL

The main object of the present application is to provide a broken nail extractor for wound orthopedics to improve the problems in the related art.

In order to realize above-mentioned purpose, this application provides a wound is disconnected nail extractor for orthopedics, including the sleeve pipe, sleeve pipe lateral wall threaded connection has the horizontal pole, the lifter is all installed at the horizontal pole both ends, sleeve pipe lateral wall threaded connection has the nut, the nut is in the horizontal pole below, the handle is installed at the sleeve pipe top, four fixture blocks, four are installed to sheathed tube lower extreme annular array the outer wall of fixture block all be provided with nut complex screw thread section, four constitute cross breach between the fixture block, four fixture block projected diameters are greater than sleeve pipe projected diameter.

In an embodiment of the present application, the sleeve sidewall is provided with a thread, and a central portion of the cross rod sidewall is provided with a threaded hole matched with the thread.

In one embodiment of the present application, the cross bar is provided as a smooth surface.

In an embodiment of the present application, the lifting rod includes an inner tube, an outer tube and a spring plunger, one end of the inner tube is installed at the end of the cross rod, the outer tube is installed in the inner tube in a sleeved manner, the spring plunger is installed inside the inner tube, and a plurality of slots matched with the spring plunger are formed in the side wall of the outer tube.

In one embodiment of the present application, the outer wall of the inner tube is attached to the inner wall of the outer tube.

In an embodiment of this application, the handle sets up to the smooth surface, the handle outer wall cup joints installs anti-skidding cover.

In an embodiment of this application, four fixture block bottom all is provided with the bellying, the bellying with the fixture block is structure as an organic whole.

In an embodiment of the application, four the bellying section is triangle-shaped, four the bellying lateral wall all is equipped with plum blossom decorative pattern.

In one embodiment of the present application, the bottom of the outer tube is mounted with a suction cup.

In an embodiment of the present application, the axial lines of the sleeve, the handle, the fixture block and the protrusion coincide.

Compared with the prior art, the beneficial effects of this application are: when the broken nail extractor for the traumatic orthopedics department is used, firstly, the leakage end of the broken nail is arranged in the cross-shaped notch, then the nut on the side wall of the sleeve is rotated, the nut moves downwards, when the nut reaches the side walls of the four clamping blocks, the projected diameters of the four clamping blocks are larger than the projected diameters of the sleeve, the nut drives the four clamping blocks to approach to a central point, then the broken nail is clamped, then the lifting rod is adjusted, the lifting rod is supported on a human body or a sickbed, then the handle is rotated anticlockwise to drive the sleeve to rotate, further the four clamping blocks are driven to rotate, at the moment, the sleeve rotates upwards relative to the cross rod, further the broken nail clamped by the four clamping blocks rotates and moves upwards, further the broken nail is taken out, the broken nail is prevented from being taken out by using a backbone reaming method, and further more damage to a backbone is effectively avoided, the novel screw fixing device provides convenience for subsequent fixing of a new screw, and the degree of shaking of the new screw in a bone hole can be reduced without reaming the backbone, so that the fixing strength of the steel plate is effectively enhanced.

Drawings

Fig. 1 is a front structural schematic view of a broken nail extractor for wound orthopaedics provided according to an embodiment of the application;

fig. 2 is a schematic bottom view of a broken nail extractor for wound orthopaedics according to an embodiment of the application;

fig. 3 is a schematic top view of a cross bar part structure of a broken nail extractor for wound orthopaedics provided according to an embodiment of the application.

In the figure: 1. a sleeve; 101. a thread; 2. a cross bar; 201. a threaded hole; 3. a lifting rod; 301. an inner tube; 302. an outer tube; 3021. a slot; 3022. a suction cup; 303. a spring plunger; 4. a nut; 5. a handle; 501. an anti-slip sleeve; 6. a clamping block; 601. a boss portion; 7. a threaded segment; 8. a cross-shaped notch.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

Referring to fig. 1-3, the application provides a broken nail extractor for traumatic orthopedics, which comprises a sleeve 1, wherein a cross rod 2 is in threaded connection with the side wall of the sleeve 1, lifting rods 3 are respectively installed at two ends of the cross rod 2 through screws, the lifting rods 3 are used for adjusting the distance between the cross rod 2 and a broken nail and further adjusting the distance between the end part of the sleeve 1 and the broken nail, a nut 4 is in threaded connection with the side wall of the sleeve 1, the nut 4 is positioned below the cross rod 2, a handle 5 is welded at the top of the sleeve 1 and is used for providing a force borrowing point for a doctor so as to facilitate the rotation of the sleeve 1, four clamping blocks 6 are installed at the lower end of the sleeve 1 in an annular array manner, the four clamping blocks 6 and the sleeve 1 are of an integral structure, the four clamping blocks 6 are mutually matched for clamping the broken nail, thread sections 7 matched with the nut 4 are arranged on the outer walls of the four clamping blocks 6, and cross-shaped gaps 8 are formed among the four clamping blocks 6, the projected diameter that four fixture blocks 6 constitute is greater than the projected diameter of sleeve pipe 1, and during the concrete implementation, rotatory nut 4 makes nut 4 move down, and when nut 4 reachd the fixture block 6 lateral wall, because of four fixture blocks 6 constitute projected diameter and be greater than the projected diameter of sleeve pipe 1, four fixture blocks 6 can shrink to the central point, and then carry out the centre gripping to disconnected nail.

In order to facilitate the sleeve 1 to move up and down relative to the cross rod 2, the side wall of the sleeve 1 is provided with the threads 101, the central part of the side wall of the cross rod 2 is provided with a threaded hole 201 matched with the threads 101, and during specific implementation, the sleeve 1 is rotated by the handle 5, and the sleeve 1 moves up and down through the mutual matching of the threads 101 and the threaded hole 201.

For the convenience of washing and disinfection, horizontal pole 2 sets up to the smooth surface, effectively reduces horizontal pole 2's surface area, and then reduces the area that the bacterium can be adnexed.

In this embodiment, the lifting rod 3 includes an inner tube 301, an outer tube 302 and a spring plunger 303, one end of the inner tube 301 is installed at the end of the cross bar 2, the outer tube 302 is installed at the inner tube 301 in a sleeved manner, in specific implementation, the outer wall of the inner tube 301 is attached to the inner wall of the outer tube 302, so as to effectively reduce the gap between the inner tube 301 and the outer tube 302, and further effectively avoid unstable support when the casing 1 is rotated, the spring plunger 303 is installed inside the inner tube 301, the side wall of the outer tube 302 is provided with a plurality of slots 3021 matched with the spring plunger 303, in specific implementation, the spring plunger 303 and the slots 3021 are mutually matched, so as to adjust the distance between the two ends of the inner tube 301 and the outer tube 302, when the distance is shortened, the fixture block 6 is convenient to clamp the broken nail, after the fixture block 6 clamps the broken nail, the distance between the two ends of the inner tube 301 and the outer tube 302 is adjusted according to specific situations, so as to further support the cross bar 2, effectively reduce the doctor and rotate the injury that rocks that produces when sleeve pipe 1 caused diaphysis, during the concrete implementation, outer tube 302 bottom cup joints and installs sucking disc 3022, and sucking disc 3022 is rubber suction cup, when making outer tube 302 support on the human body, disperses pressure through sucking disc 3022, effectively increases people's travelling comfort, and sucking disc 3022 is convenient for outer tube 302 fixed, when effectively reducing swivel sleeve pipe 1, outer tube 302 takes place the condition of the injury to the apophysis that leads to the fact of skew.

For the convenience of washing and disinfection, handle 5 sets up to the smooth surface, the smooth surface effectively reduces handle 5's surface area, and then reduce the area that the bacterium can be adnexed, be convenient for handle the bacterium, handle 5 outer wall cup joints detachable and installs anti-skidding cover 501, anti-skidding cover 501 is the rubber sleeve, anti-skidding cover 501 is used for when handle 5 is held to the doctor, increase the travelling comfort of doctor's hand, and increase the frictional force between doctor's hand and the handle 5, and then the antiskid of being convenient for.

In this embodiment, four fixture blocks 6 bottom all are provided with bellying 601, and bellying 601 and fixture block 6 structure as an organic whole, and during the concrete implementation, four bellying 601 sections are triangle-shaped, and four bellying 601 lateral walls all are equipped with plum blossom form decorative pattern, and bellying 601 bottom is most advanced, reduces the area with the skin contact, and then is convenient for carry out the centre gripping to disconnected nail.

In order to reduce the shaking degree when the broken nail is taken out, the axial leads of the sleeve 1, the handle 5, the fixture block 6 and the bulge part 601 are overlapped, so that the phenomenon that the broken nail shakes to ream the backbone when the broken nail is taken out is effectively avoided.

Specifically, the working principle of the broken nail extractor for the wound orthopaedics comprises the following steps: when the device is used, firstly, the leakage end of the broken nail is positioned in the cross-shaped notch 8, then the nut 4 on the side wall of the sleeve 1 is rotated, the nut 4 moves downwards, when the nut 4 reaches the side walls of the four clamping blocks 6, the projected diameters of the four clamping blocks 6 are larger than the projected diameter of the sleeve 1, the nut 4 drives the four clamping blocks 6 to approach to the central point, then the broken nail is clamped, then the lifting rod 3 is adjusted, the lifting rod 3 is supported on a human body or a sickbed, then the handle 5 is rotated anticlockwise to drive the sleeve 1 to rotate, further the four clamping blocks 6 are driven to rotate, at the moment, the sleeve 1 rotates upwards relative to the cross rod 2, further the broken nail clamped by the four clamping blocks 6 rotates and moves upwards, further the broken nail is taken out, further, the broken nail is prevented from being taken out by using a backbone reaming method, and the major damage to the backbone is effectively avoided, the novel screw fixing device provides convenience for subsequent fixing of a new screw, and the degree of shaking of the new screw in a bone hole can be reduced by taking out the screw without adopting a backbone reaming mode, so that the fixing strength of a steel plate is effectively enhanced.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a wound is disconnected nail extractor for orthopedics, includes sleeve pipe (1), its characterized in that, sleeve pipe (1) lateral wall threaded connection has horizontal pole (2), lifter (3) are all installed at horizontal pole (2) both ends, sleeve pipe (1) lateral wall threaded connection has nut (4), nut (4) are in horizontal pole (2) below, handle (5) are installed at sleeve pipe (1) top, four fixture blocks (6), four are installed to the lower extreme ring array of sleeve pipe (1) the outer wall of fixture block (6) all be provided with nut (4) complex screw thread section (7), four constitute cross breach (8) between fixture block (6), four projected diameters of fixture block (6) are greater than sleeve pipe (1) projected diameter.

2. The broken nail extractor for the trauma orthopedics department as claimed in claim 1, characterized in that the side wall of the sleeve (1) is provided with a thread (101), and the central part of the side wall of the cross rod (2) is provided with a threaded hole (201) matched with the thread (101).

3. A broken nail extractor for trauma orthopedics according to claim 1, characterized in that the cross bar (2) is provided with a smooth surface.

4. The broken nail extractor for the traumatic orthopedics department as claimed in claim 1, wherein the lifting rod (3) comprises an inner tube (301), an outer tube (302) and a spring plunger (303), one end of the inner tube (301) is installed at the end of the cross rod (2), the outer tube (302) is installed in the inner tube (301) in a sleeved mode, the spring plunger (303) is installed inside the inner tube (301), and a plurality of slotted holes (3021) matched with the spring plunger (303) are formed in the side wall of the outer tube (302).

5. The broken nail extractor for wound orthopaedics, as claimed in claim 4, wherein, the outer wall of the inner tube (301) is jointed with the inner wall of the outer tube (302).

6. The broken nail extractor for the wound orthopaedics is characterized in that the handle (5) is provided with a smooth surface, and an anti-skid sleeve (501) is sleeved on the outer wall of the handle (5).

7. The broken nail extractor for the wound orthopaedics, as claimed in claim 1, wherein, the bottom of each of the four clamping blocks (6) is provided with a convex part (601), and the convex parts (601) and the clamping blocks (6) are of an integral structure.

8. The broken nail extractor for the trauma orthopedics department as claimed in claim 7, characterized in that the cross section of four of the convex parts (601) is triangular, and the side walls of the four convex parts (601) are provided with quincunx patterns.

9. The broken nail extractor for the wound orthopaedics is characterized in that a suction cup (3022) is installed at the bottom of the outer tube (302).

10. The broken nail extractor for wound orthopaedics, as claimed in claim 8, wherein, the axes of the sleeve (1), the handle (5), the fixture block (6) and the boss (601) are coincident.