CN113520558A - Auxiliary fracture reduction and accurate guide kirschner wire internal fixation device - Google Patents

Auxiliary fracture reduction and accurate guide kirschner wire internal fixation device Download PDF

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Publication number
CN113520558A
CN113520558A CN202110927848.9A CN202110927848A CN113520558A CN 113520558 A CN113520558 A CN 113520558A CN 202110927848 A CN202110927848 A CN 202110927848A CN 113520558 A CN113520558 A CN 113520558A
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China
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guide
clamp handle
rotating
guide frame
rod
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Withdrawn
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CN202110927848.9A
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Chinese (zh)
Inventor
杨大伟
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Nanjing First Hospital
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Nanjing First Hospital
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Priority to CN202110927848.9A priority Critical patent/CN113520558A/en
Publication of CN113520558A publication Critical patent/CN113520558A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/88Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/88Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8866Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices for gripping or pushing bones, e.g. approximators

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Neurology (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention provides an internal fixing device for assisting fracture reduction and accurate guiding of a kirschner wire, which is characterized by comprising: the clamp comprises a first clamp handle (1), a second clamp handle (2), a first guide frame (3), a second guide frame (4), a limiting rotary rod (5) and a rotary rod limiting sliding block (6); the first guide frame (3) and the rotating rod limiting slide block (6) are arranged on the first clamp handle (1), and the second guide frame (2) and the limiting rotating rod (5) are arranged on the second clamp handle (4). The invention can fix the fracture block from the two points of the needle inserting and needle withdrawing clamp after the fracture block is reset in the operation, ensures that the two points are on the same straight line, can conveniently control and read the distance between the two points, and then can accurately insert the kirschner wire. With the assistance of the device, the operation time is greatly shortened, the risks of damaging blood vessels and nerves, breaking fracture blocks and the like caused by multiple needle insertions are reduced, and a more satisfactory operation effect is achieved.

Description

Auxiliary fracture reduction and accurate guide kirschner wire internal fixation device
Technical Field
The invention relates to the field of medical instruments, in particular to an internal fixing device for assisting fracture reduction and accurate guiding of a kirschner wire.
Background
In partial fracture of hands and feet in orthopedics department, because the fracture is located near the joint, or the fracture piece is less, can't use steel sheet, screw fixed, need use crossing kirschner wire to fix. Some of these fractures are closed reduction internal fixation during surgery, and some are open reduction, but often only a portion of the fracture line is visible from the incision. Under the guidance of a C-arm machine in the operation, the needle inserting point and the needle inserting direction of the Kirschner wire are selected according to the experience of doctors, multiple times of needle inserting and radiography are often needed to evaluate the position and the length of the Kirschner wire, a very satisfactory result is difficult to achieve, and the operation is generally finished as much as the expected result.
Disclosure of Invention
The invention aims to provide an internal fixing device for assisting fracture reduction and accurately guiding a kirschner wire, which solves the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
an auxiliary fracture reduction and accurate guide kirschner wire internal fixation device is characterized by comprising: the clamp comprises a first clamp handle 1, a second clamp handle 2, a first guide frame 3, a second guide frame 4, a limiting rotary rod 5 and a rotary rod limiting slide block 6; the first guide frame 3 and the rotating rod limiting slide block 6 are arranged on the first forceps handle 1, and the second guide frame 2 and the limiting rotating rod 5 are arranged on the second forceps handle 4.
The first clamp handle 1 comprises a first guide frame rotating hole 11, a clamp handle rotating shaft hole 12, a rotating block sliding groove 13 and a limiting bump 14; the first guide frame rotating hole 11 is located in a groove in the head of the first plier handle 1, the limiting convex block 14 is a hemispherical convex point located at the circular central point of the rotating block sliding groove 13, and the distance from the first guide frame rotating hole 11 to the plier handle rotating shaft hole 12 is two thirds of the distance from the limiting convex block 14 to the plier handle rotating shaft hole 12.
The second clamp handle 2 comprises a second guide frame rotating hole 21, a clamp handle rotating shaft 22 and a rotating rod rotating groove 23; the second guide frame rotary hole 21 is located in a groove in the head of the second clamp handle 2, the clamp handle rotary shaft 22 penetrates through the clamp handle rotary shaft hole 12 to be connected with the first clamp handle 1, and the distance from the second guide frame rotary hole 21 to the clamp handle rotary shaft 22 is two thirds of the distance from the rotary rod rotary groove 23 to the clamp handle rotary shaft 22.
The first guide frame 3 comprises a first guide pipe 31, a first aperture adjusting screw cap 32, a first parallel extension rod 33 and a parallel guide rod 34; the first guide tube 31 comprises a first aperture adjusting seat 311, a first guide frame rotating shaft 312 and a first bone positioning pile 313, the first aperture adjusting seat 311 is positioned on the outer side of the first guide tube 31, the outer side of the first guide tube is provided with a three-petal adjustable clamping piece, the root part of the first guide frame rotating shaft is provided with a section of external thread, the first guide frame rotating shaft 312 is positioned in the middle part of the first guide tube 31, the first bone positioning pile 313 is positioned on the inner side of the first guide tube 31, and the length of the sawtooth-shaped projection of the first guide tube is 5 mm higher than that of the first parallel extension rod 33; the root part of the inner side of the first aperture adjusting screw cap 32 is provided with a section of internal thread, the outer side of the first aperture adjusting screw cap is provided with an outwards contracted round pipe, and the first aperture adjusting screw cap is connected with the first guide pipe 31 through threads; the parallel guide rod 34 is provided with scales and is connected with the first guide pipe 31 in parallel through the first parallel extension rod 33; the first guide tube 31 and the first aperture adjusting screw cap 32 can form an aperture of 0.8 to 2.0 mm by rotating to different positions.
The second guide frame 4 comprises a second guide pipe 41, a second aperture adjusting screw cap 42, a second parallel extension rod 43 and a parallel guide pipe 44; the second guiding tube 41 comprises a second aperture adjusting seat 411, a second guiding frame rotating shaft 412 and a second bone positioning pile 413, the second aperture adjusting seat 411 is located on the outer side of the second guiding tube 41, the outer side of the second guiding tube is provided with a three-petal adjustable clamping piece, the root of the second guiding frame is provided with a section of external thread, the second guiding frame rotating shaft 412 is located in the middle of the second guiding tube 41, the second bone positioning pile 413 is located on the inner side of the second guiding tube 41, and the length of the sawtooth-shaped projection of the second guiding tube is 10 mm higher than that of the second parallel extending rod 43; the root part of the inner side of the second aperture adjusting screw cap 42 is provided with a section of internal thread, the outer side of the second aperture adjusting screw cap is provided with an outwards contracted circular tube, and the second aperture adjusting screw cap is connected with the second guide tube 41 through threads; the parallel guide tube 44 can be in clearance fit with the parallel guide rod 34 and is connected with the second guide tube 41 in parallel through the second parallel extension rod 43; the second guide tube 41 and the second aperture adjusting screw cap 42 can form an aperture of 0.8 to 2.0 mm by rotating to different positions.
The limiting rotary rod 5 comprises a rotary rod rotating shaft 51 and a limiting concave point 52; the rotating rod rotating shaft 51 is positioned at one section of the rotating rod rotating shaft 51 and is connected with the second forceps handle 2 through the rotating rod rotating groove 23; the limiting concave points 52 are uniformly arranged on the limiting rotary rod 5 at intervals of 3 mm; the limiting rotary rod 5 is in clearance fit with the rotary rod limiting rotary block 6 in the rotary block rotary groove 13, the rotary rod limiting rotary block 6 can rotate along the central point of the rotary block rotary groove 13, the limiting rotary rod 5 can slide between the rotary rod limiting rotary blocks 6, and the limiting concave point 52 is embedded with the limiting convex point 14; the distance between the first guide tube 31 and the second guide tube 41 is changed along with the movement of the limiting rotary rod 5 between the rotary rod limiting rotary blocks 6, and the distance between the first guide tube 31 and the second guide tube 41 is changed by 2 mm.
The invention has the following beneficial effects:
the first guide frame 3, the second guide frame 4 and the limiting rotary rod 5 are always kept parallel to each other, the limiting concave points 52 which are uniformly arranged on the limiting rotary rod 5 are used, after the fracture block is reset in the operation, the fracture block is fixed by two point clamps for preparing needle insertion and needle extraction, and a user can ensure that the first guide tube 31 and the second guide tube 41 are on the same straight line and can conveniently control and read the distance between the first guide tube and the second guide tube.
Therefore, after the points fixed by the two jaws of the C-arm camera shooting determination device are at preset positions, the Kirschner wire can be accurately placed. With the assistance of the device, the operation time is greatly shortened, the risks of damaging blood vessels and nerves, breaking fracture blocks and the like caused by multiple needle insertions are reduced, and a more satisfactory operation effect is achieved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a second schematic view of the overall structure of the present invention;
FIG. 3 is a partial schematic view of a first plier handle of the invention;
FIG. 4 is a schematic view of a structure of a limiting rotating rod according to the present invention;
FIG. 5 is a schematic structural view of a first guide frame and a second guide frame of the present invention;
FIG. 6 is a partial schematic view of the present invention;
FIG. 7 is a schematic structural view of a first guiding frame of the present invention;
fig. 8 is a schematic structural view of a second guide frame of the present invention.
In the figure: 1. a first plier handle; 11. a first guide frame is screwed; 12 clamp handle rotating shaft holes; 13. rotating the rotary block and the rotary groove; 14. limiting salient points; 2. a second forceps handle; 21. a second guide frame is screwed; 22. a clamp handle rotating shaft; 23. a rotating rod and a rotating groove; 3. a first guide frame; 31. a first guide tube; 311. a first pitch adjustment seat; 312. a first guide tube rotating shaft; 313. a first bone surface positioning pile; 32. a first pitch adjustment screw cap; 33. a first parallel elongate bar; 34. a parallel guide bar; 4. a second guide frame; 41. a second guide tube; 411. a second pitch adjustment seat; 412. a second guide tube rotating shaft; 413. a second bone surface positioning pile; 42. a second pitch adjustment screw cap; 43. a second parallel extension rod; 44. a parallel guide tube; 5. a limit rotating rod; 51. a rotating shaft; 52. limiting concave points; 6. the rotating rod is used for limiting the rotating block.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the scope of the present invention.
An auxiliary fracture reduction and accurate guide kirschner wire internal fixation device is characterized by comprising: the clamp comprises a first clamp handle 1, a second clamp handle 2, a first guide frame 3, a second guide frame 4, a limiting rotary rod 5 and a rotary rod limiting slide block 6; the first guide frame 3 and the rotating rod limiting slide block 6 are arranged on the first forceps handle 1, and the second guide frame 2 and the limiting rotating rod 5 are arranged on the second forceps handle 4.
The first clamp handle 1 comprises a first guide frame rotating hole 11, a clamp handle rotating shaft hole 12, a rotating block sliding groove 13 and a limiting bump 14; the first guide frame rotating hole 11 is located in a groove in the head of the first plier handle 1, the limiting convex block 14 is a hemispherical convex point located at the circular central point of the rotating block sliding groove 13, and the distance from the first guide frame rotating hole 11 to the plier handle rotating shaft hole 12 is two thirds of the distance from the limiting convex block 14 to the plier handle rotating shaft hole 12.
The second clamp handle 2 comprises a second guide frame rotating hole 21, a clamp handle rotating shaft 22 and a rotating rod rotating groove 23; the second guide frame rotary hole 21 is located in a groove in the head of the second clamp handle 2, the clamp handle rotary shaft 22 penetrates through the clamp handle rotary shaft hole 12 to be connected with the first clamp handle 1, and the distance from the second guide frame rotary hole 21 to the clamp handle rotary shaft 22 is two thirds of the distance from the rotary rod rotary groove 23 to the clamp handle rotary shaft 22.
The first guide frame 3 comprises a first guide pipe 31, a first aperture adjusting screw cap 32, a first parallel extension rod 33 and a parallel guide rod 34; the first guide tube 31 comprises a first aperture adjusting seat 311, a first guide frame rotating shaft 312 and a first bone positioning pile 313, the first aperture adjusting seat 311 is positioned on the outer side of the first guide tube 31, the outer side of the first guide tube is provided with a three-petal adjustable clamping piece, the root part of the first guide frame rotating shaft is provided with a section of external thread, the first guide frame rotating shaft 312 is positioned in the middle part of the first guide tube 31, the first bone positioning pile 313 is positioned on the inner side of the first guide tube 31, and the length of the sawtooth-shaped projection of the first guide tube is 5 mm higher than that of the first parallel extension rod 33; the root part of the inner side of the first aperture adjusting screw cap 32 is provided with a section of internal thread, the outer side of the first aperture adjusting screw cap is provided with an outwards contracted round pipe, and the first aperture adjusting screw cap is connected with the first guide pipe 31 through threads; the parallel guide rod 34 is provided with scales and is connected with the first guide pipe 31 in parallel through the first parallel extension rod 33; the first guide tube 31 and the first aperture adjusting screw cap 32 can form an aperture of 0.8 to 2.0 mm by rotating to different positions.
The second guide frame 4 comprises a second guide pipe 41, a second aperture adjusting screw cap 42, a second parallel extension rod 43 and a parallel guide pipe 44; the second guiding tube 41 comprises a second aperture adjusting seat 411, a second guiding frame rotating shaft 412 and a second bone positioning pile 413, the second aperture adjusting seat 411 is located on the outer side of the second guiding tube 41, the outer side of the second guiding tube is provided with a three-petal adjustable clamping piece, the root of the second guiding frame is provided with a section of external thread, the second guiding frame rotating shaft 412 is located in the middle of the second guiding tube 41, the second bone positioning pile 413 is located on the inner side of the second guiding tube 41, and the length of the sawtooth-shaped projection of the second guiding tube is 10 mm higher than that of the second parallel extending rod 43; the root part of the inner side of the second aperture adjusting screw cap 42 is provided with a section of internal thread, the outer side of the second aperture adjusting screw cap is provided with an outwards contracted circular tube, and the second aperture adjusting screw cap is connected with the second guide tube 41 through threads; the parallel guide tube 44 can be in clearance fit with the parallel guide rod 34 and is connected with the second guide tube 41 in parallel through the second parallel extension rod 43; the second guide tube 41 and the second aperture adjusting screw cap 42 can form an aperture of 0.8 to 2.0 mm by rotating to different positions.
The limiting rotary rod 5 comprises a rotary rod rotating shaft 51 and a limiting concave point 52; the rotating rod rotating shaft 51 is positioned at one section of the rotating rod rotating shaft 51 and is connected with the second forceps handle 2 through the rotating rod rotating groove 23; the limiting concave points 52 are uniformly arranged on the limiting rotary rod 5 at intervals of 3 mm; the limiting rotary rod 5 is in clearance fit with the rotary rod limiting rotary block 6 in the rotary block rotary groove 13, the rotary rod limiting rotary block 6 can rotate along the central point of the rotary block rotary groove 13, the limiting rotary rod 5 can slide between the rotary rod limiting rotary blocks 6, and the limiting concave point 52 is embedded with the limiting convex point 14; the distance between the first guide tube 31 and the second guide tube 41 is changed along with the movement of the limiting rotary rod 5 between the rotary rod limiting rotary blocks 6, and the distance between the first guide tube 31 and the second guide tube 41 is changed by 2 mm.
When the device is used, firstly, fixing points of two jaws of the C-arm machine radiography determining device are used, a first bone surface positioning pile 313 or a second bone surface positioning pile 413 is determined and selected according to the thickness of soft tissue at a preset position, and a first aperture adjusting screw cap 32 and a second aperture adjusting screw cap 42 are adjusted according to the diameter of a used Kirschner wire, so that the Kirschner wire can pass through the holes but cannot be loosened or tightened; after the device is used for clamping and retaining the restored fracture block, the limiting rotary rod 5 is automatically fixed, the length of the kirschner wire which needs to penetrate can be read at the moment, and then the kirschner wire can be penetrated for operation.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the preferred embodiments of the invention and described in the specification are only preferred embodiments of the invention and are not intended to limit the invention, and that various changes and modifications may be made without departing from the novel spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. An auxiliary fracture reduction and accurate guide kirschner wire internal fixation device is characterized by comprising: the clamp comprises a first clamp handle (1), a second clamp handle (2), a first guide frame (3), a second guide frame (4), a limiting rotary rod (5) and a rotary rod limiting sliding block (6); the first guide frame (3) and the rotating rod limiting slide block (6) are arranged on the first clamp handle (1), and the second guide frame (2) and the limiting rotating rod (5) are arranged on the second clamp handle (4).
2. The internal fixation device for assisting in fracture reduction and accurate guiding of the kirschner wire according to claim 1, wherein: the first clamp handle (1) comprises a first guide frame rotating hole (11), a clamp handle rotating shaft hole (12), a rotating block sliding groove (13) and a limiting bump (14); the first guide frame rotating hole (11) is located in a groove in the head of the first clamp handle (1), the limiting convex block (14) is a hemispherical convex point located at the circular central point of the rotating block sliding groove (13), and the distance from the first guide frame rotating hole (11) to the clamp handle rotating shaft hole (12) is two thirds of the distance from the limiting convex block (14) to the clamp handle rotating shaft hole (12).
3. The internal fixation device for assisting in fracture reduction and accurate guiding of the kirschner wire according to claim 1, wherein: the second clamp handle (2) comprises a second guide frame rotating hole (21), a clamp handle rotating shaft (22) and a rotating rod rotating groove (23); the second guide frame rotating hole (21) is located in a groove in the head of the second clamp handle (2), the clamp handle rotating shaft (22) penetrates through the clamp handle rotating shaft hole (12) and is connected with the first clamp handle (1), and the distance from the second guide frame rotating hole (21) to the clamp handle rotating shaft (22) is two thirds of the distance from the rotating rod rotating groove (23) to the clamp handle rotating shaft (22).
4. The internal fixation device for assisting in fracture reduction and accurate guiding of the kirschner wire according to claim 1, wherein: the first guide frame (3) comprises a first guide pipe (31), a first aperture adjusting screw cap (32), a first parallel extension rod (33) and a parallel guide rod (34); the first guide pipe (31) comprises a first aperture adjusting seat (311), a first guide frame rotating shaft (312) and a first bone positioning pile (313), the first aperture adjusting seat (311) is positioned on the outer side of the first guide pipe (31), the outer side of the first guide pipe is a three-petal-shaped adjustable clamping piece, the root part of the first guide frame rotating shaft is provided with a section of external thread, the first guide frame rotating shaft (312) is positioned in the middle of the first guide pipe (31), the first bone positioning pile (313) is positioned on the inner side of the first guide pipe (31), and the length of the sawtooth-shaped projection of the first guide pipe is 5 mm higher than that of the first parallel extension rod (33); the root part of the inner side of the first aperture adjusting screw cap (32) is provided with a section of internal thread, the outer side of the first aperture adjusting screw cap is provided with a round pipe which shrinks outwards, and the first aperture adjusting screw cap is connected with the first guide pipe (31) through threads; scales are arranged on the parallel guide rod (34) and are connected with the first guide pipe (31) in parallel through the first parallel extension rod (33); the first guide pipe (31) and the first aperture adjusting screw cap (32) can form an aperture of 0.8-2.0 mm by rotating to different positions.
5. The internal fixation device for assisting in fracture reduction and accurate guiding of the kirschner wire according to claim 1, wherein: the second guide frame (4) comprises a second guide pipe (41), a second aperture adjusting screw cap (42), a second parallel extension rod (43) and a parallel guide pipe (44); the second guide pipe (41) comprises a second aperture adjusting seat (411), a second guide frame rotating shaft (412) and a second bone positioning pile (413), the second aperture adjusting seat (411) is located on the outer side of the second guide pipe (41), the outer side of the second guide pipe is a three-petal-shaped adjustable clamping piece, the root of the second guide frame rotating shaft is provided with a section of external thread, the second guide frame rotating shaft (412) is located in the middle of the second guide pipe (41), the second bone positioning pile (413) is located on the inner side of the second guide pipe (41), and the length of the sawtooth-shaped projection of the second guide pipe is 10 millimeters higher than that of the second parallel extension rod (43); the root part of the inner side of the second aperture adjusting screw cap (42) is provided with a section of internal thread, the outer side of the second aperture adjusting screw cap is provided with a round pipe which shrinks outwards, and the second aperture adjusting screw cap is connected with the second guide pipe (41) through threads; the parallel guide pipe (44) can be in clearance fit with the parallel guide rod (34) and is connected with the second guide pipe (41) in parallel through the second parallel extension rod (43); the second guide pipe (41) and the second aperture adjusting screw cap (42) can form an aperture of 0.8-2.0 mm by rotating to different positions.
6. The internal fixation device for assisting in fracture reduction and accurate guiding of the kirschner wire according to claim 1, wherein: the limiting rotary rod (5) comprises a rotary rod rotating shaft (51) and a limiting concave point (52); the rotating rod rotating shaft (51) is positioned at one section of the rotating rod rotating shaft (51) and is connected with the second forceps handle (2) through the rotating rod rotating groove (23); the limiting concave points (52) are uniformly arranged on the limiting rotary rod (5) at intervals of 3 mm; spacing swing arm (5) be in revolve piece spiral groove (13) in with the spacing piece (6) clearance fit that revolves of swing arm, the spacing piece (6) of revolving arm can be followed revolve the piece and revolve the central point rotation in groove (13), spacing swing arm (5) can slide between the spacing piece (6) of revolving arm, just spacing concave point (52) can with spacing bump (14) gomphosis.
CN202110927848.9A 2021-08-13 2021-08-13 Auxiliary fracture reduction and accurate guide kirschner wire internal fixation device Withdrawn CN113520558A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110927848.9A CN113520558A (en) 2021-08-13 2021-08-13 Auxiliary fracture reduction and accurate guide kirschner wire internal fixation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110927848.9A CN113520558A (en) 2021-08-13 2021-08-13 Auxiliary fracture reduction and accurate guide kirschner wire internal fixation device

Publications (1)

Publication Number Publication Date
CN113520558A true CN113520558A (en) 2021-10-22

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Application Number Title Priority Date Filing Date
CN202110927848.9A Withdrawn CN113520558A (en) 2021-08-13 2021-08-13 Auxiliary fracture reduction and accurate guide kirschner wire internal fixation device

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Application publication date: 20211022