Broken nail extractor for orthopedics department

By incorporating a rotating cylinder and connecting mechanism into the orthopedic broken nail extractor, the problem of non-adjustable length in existing technologies is solved, enabling effective clamping and extraction of broken nails at different depths and improving extraction efficiency.

CN223554942UActive Publication Date: 2025-11-18厦门市海沧医院
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Patent Information

Application Number
CN202422500603.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-11-18
Estimated Expiration
2034-10-16

AI Technical Summary

Technical Problem

Existing orthopedic screw extractors are difficult to adjust in length according to different usage scenarios, making it difficult to remove screws located deep within the body.

Method used

An orthopedic broken nail extractor was designed. By setting a rotating cylinder and connecting mechanism on the lower end face of the fixing plate, the length can be adjusted. The broken nail can be clamped and fixed by the cooperation of the limiting rod and the arc-shaped clamping plate.

Benefits of technology

This technology allows for adjustment of the extractor length based on the depth of the broken nail, ensuring that the broken nail can be effectively clamped and removed, avoiding over-adjustment, and improving extraction efficiency.

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Abstract

The utility model relates to the technical field of medical instruments, and discloses a broken nail extractor for orthopedics department, which comprises a fixing plate, a rotating drum is rotatably embedded in the center of the lower end face of the fixing plate, a rotating rod is rotatably embedded in the midpoint of the upper end face of the rotating drum, and a square rod is fixedly arranged on the lower end face of the rotating rod. And the outer surface, close to the lower end, of the square rod is movably sleeved with a movable cylinder, the outer surface, close to the lower end, of the rotating cylinder is sleeved with a connecting mechanism in a threaded mode, and arc-shaped clamping plates are arranged on the two sides of the lower end face of the connecting mechanism. According to the broken nail extractor, after the connecting mechanism is arranged on the lower end face of the fixing plate provided with the rotating cylinder in the rotating and embedded mode, the length of the extractor can be adjusted according to the depth of the broken nail, and after the extractor is adjusted, the adjusting plate can be driven to ascend and descend through the fixedly-arranged rotating plate; therefore, the broken nail can be clamped, fixed and taken out by the two arc-shaped clamping plates.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially, relates to a broken nail extractor for orthopedics. BACKGROUND

[0002] Orthopedics is a branch of medicine, mainly research and treatment and bone, joint, muscle, ligament and nervous system related diseases and injuries. Orthopedic broken nail extractor is a special tool for orthopedic surgery, mainly used for taking out the metal internal fixator broken in the fracture fixation process due to various reasons. These internal fixators are usually used to fix the fracture site to promote bone healing, but in some cases, the fixator may be broken, causing patient discomfort or poor healing.

[0003] Through the retrieval, the prior art (publication number: CN203885611U) discloses a kind of "the utility model relates to a kind of medical field orthopedic surgical instruments, especially a kind of simple broken nail extractor for orthopedics, including rod-shaped handle, still including sleeve, sleeve is hollow circular table, two handle insertion holes are set on the upper end of sleeve, handle passes through handle insertion hole and is horizontally arranged on the upper end of sleeve, opening is vertically arranged on the side surface of sleeve, external thread is set on the sleeve, taper nut is set on the outside of sleeve, taper nut is connected with the thread of sleeve, internal thread is set on the lower end of sleeve, annular is set on the outside of the lower end of sleeve face.This utility model can easily take out broken nail, the structure is simpler than prior art broken nail extractor, the cost is lower, and broken nail can be screwed out, the effect of taking out broken nail is good, and the pain of patient is reduced."

[0004] The inventor found that the prior art has the following problems in the process of realizing the utility model: although the patent technology can contact the screw-in piece and the broken nail, then rotate the taper nut to make the sleeve drive the screw-in piece to fix the broken nail, and screw out the broken nail, there is a problem that the broken nail extractor is difficult to adjust the length of the extractor according to different use conditions, so that the extractor is difficult to take out the broken nail in a deep position. Therefore, the technical personnel in the art provide a broken nail extractor for orthopedics to solve the problems in the background art. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art, and provides a broken nail extractor for orthopedics, which can adjust the length of the extractor according to the depth of the broken nail by setting the connecting mechanism on the lower end surface of the rotating embedded fixed plate with the rotating cylinder, and can lift and move the adjusting plate through the fixed rotating plate after adjusting the extractor, so that the two arc-shaped clamping plates can clamp and fix the broken nail and take it out.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a broken nail extractor for orthopedics, including the fixed plate, the lower end surface center place rotation embedding is provided with the rotating drum, the rotating drum upper end surface midpoint place rotation embedding is provided with the rotating rod, the rotating rod lower end surface fixedly is provided with the square pole, the square pole outer surface lower end movable sleeve is equipped with the movable cylinder, the rotating drum outer surface lower end thread sleeve is equipped with the connecting mechanism,

[0008] The utility model discloses a broken nail extractor for orthopedics, including the fixed plate, the lower end surface center place rotation embedding is provided with the rotating drum, the rotating drum upper end surface midpoint place rotation embedding is provided with the rotating rod, the rotating rod lower end surface fixedly is provided with the square pole, the square pole outer surface lower end movable sleeve is equipped with the movable cylinder, the rotating drum outer surface lower end thread sleeve is equipped with the connecting mechanism,

[0009] Further, the movable slot is opened in the midpoint of the upper end surface of the connecting block, the threaded slot is opened outside the midpoint of the upper end surface of the connecting block, the two limiting grooves are respectively opened in the midpoints of the two sides of the upper end surface of the connecting block, and the two moving grooves are respectively opened in the midpoints of the two sides of the lower end surface of the connecting block.

[0010] Further, the two arc-shaped clamping plates are fixedly provided with moving blocks at the midpoints of one side of the upper end surfaces of the two arc-shaped clamping plates, and the two arc-shaped clamping plates are movably embedded in the two moving grooves through the moving blocks.

[0011] Further, the two arc-shaped clamping plates are fixedly provided with moving blocks at the midpoints of one side of the upper end surfaces of the two arc-shaped clamping plates, and the two arc-shaped clamping plates are movably embedded in the two moving grooves through the moving blocks.

[0012] Further, the rotating drum is threadedly embedded in the threaded slot, and the square pole is movably arranged in the movable slot.

[0013] Further, the threaded sleeve is provided with an embedding slot at the midpoint of the upper end surface, and the movable cylinder is threadedly embedded in the embedding slot.

[0014] Further, the rotating rod is fixedly provided with a rotating plate on the upper end surface, and the rotating drum is fixedly provided with a rotating wheel on the upper end surface.

[0015] The utility model has the following beneficial effects:

[0016] 1. The broken nail extractor for orthopedics can be embedded and connected with the limiting grooves in the connecting mechanism through the limiting rods fixedly arranged on the two sides of the lower end surface of the fixed plate, the length of the extractor can be adjusted, the limiting rods and the limiting grooves can effectively prevent the extractor from being adjusted excessively, the length of the extractor can be conveniently adjusted by separating the threaded slot in the rotating drum from the connecting block after rotating the rotating drum fixedly provided with the rotating wheel, and the broken nail can be better taken out.

[0017] 2、The utility model provides a kind of broken nail extractor for orthopedics, after being fixedly arranged moving block in the upper end surface of two arc clamping plates, two arc clamping plates can be slidably arranged in two moving grooves opened in connecting mechanism, after adjusting plate is movably sleeved in the outer surface of two arc clamping plates, since the outer surface of two arc clamping plates is designed with inclined plane to upper end, when adjusting plate is lifted and moved, two arc clamping plates are moved, so that broken nail can be clamped and fixed, and broken nail is taken out. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the axial schematic view of the utility model;

[0019] Figure 2 It is the sectional view schematic view of the utility model;

[0020] Figure 3 It is the fixed plate and rotating drum axial schematic view of the utility model;

[0021] Figure 4 It is the fixed plate and rotating drum sectional view schematic view of the utility model;

[0022] Figure 5 It is the connecting mechanism sectional view schematic view of the utility model.

[0023] Legend:

[0024] 1, fixed plate;2, connecting mechanism;3, arc clamping plate;4, adjusting plate;5, rotating plate;6, rotating wheel;7, limit rod;8, rotating drum;9, square rod;10, rotating rod;11, movable cylinder;12, moving block;13, threaded sleeve;14, embedded groove;201, limit slot;202, connecting block;203, threaded slot;204, movable slot;205, moving groove. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Reference Figures 1 to 5The utility model provides an orthopedics broken nail extractor, including fixed plate 1, the lower end surface center of fixed plate 1 is rotatably embedded with rotating drum 8, the upper end surface midpoint of rotating drum 8 is rotatably embedded with rotating rod 10, the lower end surface of rotating rod 10 is fixedly provided with square bar 9, the outer surface of square bar 9 is movably sleeved with movable cylinder 11, the outer surface of rotating drum 8 is threadedly sleeved with connecting mechanism 2, the lower end surface of connecting mechanism 2 is provided with arc clamping plate 3 on both sides, the outer surface of two arc clamping plates 3 is movably sleeved with adjusting plate 4, the upper end surface midpoint of adjusting plate 4 is fixedly provided with threaded sleeve 13.

[0027] Specifically, after rotating drum 8 is rotatably embedded on the lower end surface of fixed plate 1, fixed plate 1 can be better adjusted through rotating drum 8, and rotating rod 10 rotatably embedded at the upper end surface midpoint of rotating drum 8 can drive square bar 9 fixedly arranged at the lower end surface to rotate, movable cylinder 11 movably sleeved on the lower end of the outer surface of square bar 9 can be lengthened when length adjustment occurs, and two arc clamping plates 3 movably arranged at the lower end surface of connecting mechanism 2 can clamp and fix the broken nail after adjustment and movement, and adjusting plate 4 arranged on the outer surface of the two arc clamping plates 3 can drive arc clamping plate 3 to move and adjust.

[0028] Referring to Figure 5 Movable groove 204 is arranged at the upper end surface midpoint of connecting block 202, threaded groove 203 is arranged at the outer side of the upper end surface midpoint of connecting block 202, two limiting grooves 201 are respectively arranged at the midpoint of the two sides of the upper end surface of connecting block 202, and two moving grooves 205 are respectively arranged at the midpoint of the two sides of the lower end surface of connecting block 202.

[0029] Specifically, movable groove 204 arranged in connecting block 202 can better enable square bar 9 to rotate, threaded groove 203 can be threadedly sleeved with rotating drum 8, so that rotating drum 8 and connecting block 202 are better extended and adjusted, and two moving grooves 205 can better enable arc clamping plate 3 to move.

[0030] Referring to Figure 5 Two moving blocks 12 are fixedly arranged at the one side midpoint of the upper end surface of two arc clamping plates 3, and two arc clamping plates 3 are movably embedded in two moving grooves 205 through moving blocks 12 respectively.

[0031] Specifically, after moving block 12 is fixed on the upper end surface of arc clamping plate 3, arc clamping plate 3 can better move on the lower end surface of connecting block 202.

[0032] Referring to Figure 2 Two limiting rods 7 are fixedly arranged at the midpoint of the two sides of the lower end surface of fixed plate 1, and two limiting rods 7 are movably embedded in two limiting grooves 201 respectively.

[0033] Specifically, after the limiting rod 7 is fixedly arranged at the lower end surface of the fixed plate 1, the limiting rod 7 can be embeddedly connected with the limiting groove 201 arranged in the connecting mechanism 2, so that the over-adjustment of the extractor can be effectively avoided.

[0034] With reference to Figure 2 , the rotating drum 8 is threadedly embedded in the threaded groove 203 arranged at the upper end surface of the connecting block 202, and the square rod 9 is movably arranged in the movable groove 204.

[0035] Specifically, after the rotating drum 8 is threadedly embedded in the threaded groove 203 arranged at the upper end surface of the connecting block 202, the fixed plate 1 and the connecting block 202 can be separated when the rotating drum 8 is rotated, so that the length adjustment can be performed. The square rod 9 arranged in the movable groove 204 can better enable the square rod 9 to rotate.

[0036] With reference to Figure 4 and Figure 5 , the embedding groove 14 is arranged at the midpoint of the upper end surface of the threaded sleeve 13, and the movable drum 11 is threadedly embedded in the embedding groove 14.

[0037] Specifically, after the embedding groove 14 is arranged in the inner plate of the upper end surface of the threaded sleeve 13, the movable drum 11 arranged below the lower end of the square rod 9 can be threadedly embedded, so that the adjusting plate 4 and the threaded sleeve 13 can be lifted and moved when the movable drum 11 is rotated.

[0038] With reference to Figure 2 and Figure 4 , the rotating plate 5 is fixedly arranged at the upper end surface of the rotating rod 10, and the rotating drum 8 is fixedly arranged at the upper end surface of the rotating drum 8.

[0039] Specifically, the fixedly arranged rotating plate 5 and rotating drum 6 can better enable the rotating rod 10 and the rotating drum 8 to rotate, so that the extractor can be conveniently adjusted.

[0040] Working principle: in use, the user can adjust the length of the extractor according to the depth of the broken nail, and the rotating drum 6 fixedly arranged at the upper end surface of the rotating drum 8 can separate the fixed plate 1 and the connecting block 202 in the connecting mechanism 2, so that the length of the extractor can be changed. After the length is adjusted to the appropriate length, the two arc-shaped clamping plates 3 can be attached to the broken nail on one side, and the rotating plate 5 fixedly arranged at the upper end surface of the rotating rod 10 can lift and move the adjusting plate 4 fixedly arranged with the threaded sleeve 13 through the square rod 9 and the movable drum 11. The moved adjusting plate 4 can also clamp and fix the broken nail with the two arc-shaped clamping plates 3, and after the fixing is completed, the user can pull out the extractor to take out the broken nail.

[0041] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. An orthopedic broken nail extractor comprising a fixing plate (1), characterized in that: The lower end surface center of the fixed plate (1) is rotatably embedded with a rotating drum (8), the midpoint of the upper end surface of the rotating drum (8) is rotatably embedded with a rotating rod (10), the lower end surface of the rotating rod (10) is fixedly provided with a square rod (9), the outer surface of the square rod (9) is movably sleeved with a movable drum (11), and the outer surface of the rotating drum (8) is threadedly sleeved with a connecting mechanism (2); The lower end surface of the connecting mechanism (2) is provided with arc clamping plates (3) on both sides, the outer surfaces of the two arc clamping plates (3) are movably sleeved with adjusting plates (4), the upper end surface midpoint of the adjusting plate (4) is fixedly provided with a threaded sleeve (13), and the connecting mechanism (2) comprises two limiting grooves (201), a connecting block (202), a threaded groove (203), a movable groove (204) and two moving grooves (205).

2. The broken nail extractor according to claim 1, wherein: The movable groove (204) is opened at the midpoint of the upper end surface of the connecting block (202), the threaded groove (203) is opened at the outer side of the midpoint of the upper end surface of the connecting block (202), the two limiting grooves (201) are respectively opened at the midpoints of the upper end surfaces of the connecting block (202) on both sides, and the two moving grooves (205) are respectively opened at the midpoints of the lower end surfaces of the connecting block (202) on both sides.

3. The broken nail extractor according to claim 1, wherein: The upper end surface of the two arc clamping plates (3) is fixedly provided with a moving block (12) at the midpoint of one side, and the two arc clamping plates (3) are movably embedded in the two moving grooves (205) through the moving block (12).

4. The broken nail extractor according to claim 1, wherein: The lower surface of the fixed plate (1) is fixedly provided with a limiting rod (7) at the midpoint of each side, and the two limiting rods (7) are movably embedded in the two limiting grooves (201).

5. The broken nail extractor according to claim 1, wherein: The rotating drum (8) is threadedly embedded in the threaded groove (203), and the square rod (9) is movably arranged in the movable groove (204).

6. The broken nail extractor according to claim 1, wherein: The threaded sleeve (13) is provided with an embedded groove (14) at the midpoint of the upper end surface, and the movable drum (11) is threadedly embedded in the embedded groove (14).

7. The broken nail extractor according to claim 1, wherein: The upper end surface of the rotating rod (10) is fixedly provided with a rotating plate (5), and the upper end surface of the rotating drum (8) is fixedly provided with a rotating wheel (6).

Citation Information

Patent Citations

  • Simple and convenient broken nail extractor for orthopedics

    CN203885611U