CN218572278U - Intramedullary nail for fixing femoral fracture - Google Patents
Intramedullary nail for fixing femoral fracture Download PDFInfo
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- CN218572278U CN218572278U CN202222395645.2U CN202222395645U CN218572278U CN 218572278 U CN218572278 U CN 218572278U CN 202222395645 U CN202222395645 U CN 202222395645U CN 218572278 U CN218572278 U CN 218572278U
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- nail body
- intramedullary nail
- butt joint
- fixing
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Abstract
The utility model relates to the technical field of medical equipment, a fixed intramedullary nail of using of femoral fracture is disclosed, including the first nail body and the second nail body, the internally mounted of the first nail body has the installation piece, the inside of installation piece is run through and is rotated and be connected with the installation pole, first butt joint piece is installed to the upper end of installation pole, two butt joint grooves have been seted up to the inside symmetry of first butt joint piece, the lower surface of installation piece is located the left and right sides of installation pole and all installs the gag lever post, the intramedullary nail before installing into patient's thighbone, can adjust the length of intramedullary nail according to patient's thighbone length, insert first butt joint piece through the second butt joint piece with the connecting rod, rotate the connecting rod and drive the installation pole and rotate and can make the second nail body stretch into the roll-off to adjust the length of whole intramedullary nail, avoid the intramedullary nail to be long partially or short and can not find suitable length when using, thereby influence operation efficiency, whole intramedullary nail simple structure, it is very convenient to adjust.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to an intramedullary nail for fixing femoral fracture.
Background
Intramedullary nails may be used to locate and fix fractures of the femur, in which a body of the intramedullary nail may be inserted into the intramedullary canal of the femur and placed to extend along the fracture line of the femur, and then set screws or other fixation devices may be inserted through the fractured femur to secure the opposing segments of the fractured femur together.
The Chinese patent discloses an adjustable intramedullary nail (No. CN 211911772U), which provides power for a driving motor through a built-in battery, prolongs the length of the intramedullary nail through a sliding rack, and avoids the situation that the operation is difficult to carry out due to the fact that the intramedullary nail is too long or too short in the operation process and the intramedullary nail is difficult to unify the standard length because of different body states of patients; however, the intramedullary nail is provided with a driving motor, a battery, a slide rail, a speed reducer, a gear and other structures, so that the structure is too complex, the production cost is high, and the weight of the intramedullary nail is easy to be too heavy. Accordingly, one skilled in the art provides an intramedullary nail for fixation of femoral fractures that solves the problems set forth in the background art above.
Disclosure of Invention
The utility model aims to provide an intramedullary nail for fixing femoral fracture, which solves the problems in the prior art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a fixed intramedullary nail of using of femoral fracture, includes the first nail body and the second nail body, the internally mounted of the first nail body has the installation piece, the inside of installation piece is run through and is rotated and be connected with the installation pole, first butt joint piece is installed to the upper end of installation pole, two butt joint grooves have been seted up to the inside symmetry of first butt joint piece, the lower surface of installation piece is located the left and right sides of installation pole and all installs the gag lever post, the inside central point of the second nail body puts the department and has seted up the thread groove, and the inside left and right sides that is located the thread groove of the second nail body has all seted up the gag lever post.
As a further aspect of the present invention: two first fixed orificess have been seted up to the inside upper end position department of the first nail body, the inside movable mounting of first fixed orificess has first set screw, two second fixed orificess have been seted up to the inside lower extreme position department of the first nail body, the inside movable mounting of second fixed orificess has two second set screw.
As a further aspect of the present invention: the connecting rod is installed to the left of the first nail body, the connecting block is installed to the lower extreme of connecting rod, two second butt joint blocks are installed to the lower surface symmetry of connecting block, the inside threaded connection in upper end of the first nail body has the closing cap.
As a further aspect of the present invention: second nail body sliding connection is in the inside of first nail body, installation pole threaded connection is in the inside of thread groove, gag lever post sliding connection is in the inside of spacing groove.
As a further aspect of the present invention: the second butt joint block is matched with the butt joint groove.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides an intramedullary nail before installing into patient's thighbone, can adjust the length of intramedullary nail according to patient's thighbone length, insert first butt joint piece with the connecting rod through the second butt joint piece, it drives the installation pole and rotates and to make the second nail body stretch into the roll-off, thereby adjust the length of whole intramedullary nail, avoid the intramedullary nail when will using on a long side or short side and can not find suitable length, thereby influence operation efficiency, and whole intramedullary nail simple structure, light in weight, it is very convenient to adjust.
Drawings
FIG. 1 is a schematic structural view of an intramedullary nail for fixation of femoral fractures;
FIG. 2 is a cross-sectional view of an intramedullary nail for fixation of femoral fractures;
FIG. 3 is an enlarged view of A in FIG. 2;
fig. 4 is an actual mounting diagram of an intramedullary nail for fixing femoral fractures.
In the figure: 1. a first nail body; 2. a second nail body; 3. mounting a block; 4. mounting a rod; 5. a first butt-joint block; 6. a butt joint groove; 7. a limiting rod; 8. a thread groove; 9. a limiting groove; 10. a first fixing hole; 11. a first set screw; 12. a second fixing hole; 13. a second set screw; 14. a connecting rod; 15. connecting blocks; 16. a second butting block; 17. sealing the cover; 18. the femur.
Detailed Description
Please refer to fig. 1-4, in an embodiment of the present invention, an intramedullary nail for fixing femoral fracture, including a first nail body 1 and a second nail body 2, the second nail body 2 is slidably connected inside the first nail body 1, an installation block 3 is installed inside the first nail body 1, the installation block 3 is connected to the installation rod 4 through the inside and the rotation thereof, a first butt-joint block 5 is installed on the upper end of the installation rod 4, two butt-joint grooves 6 are symmetrically installed inside the first butt-joint block 5, a limiting rod 7 is installed on the left and right sides of the installation block 3, the inner central position of the second nail body 2 is provided with a thread groove 8, the installation rod 4 is connected to the inside of the thread groove 8 through threads, the limiting groove 9 is installed on the left and right sides of the thread groove 8 inside the second nail body 2, the limiting rod 7 is slidably connected inside the limiting groove 9, two first fixing holes 10 are provided on the inner upper end position of the first nail body 1, a first fixing hole 11 is movably installed inside the first fixing hole 10, a second nail body 1 is provided with a second fixing hole 12, a second nail body 12 is installed on the inner lower end of the second nail body, a connecting rod 16 is connected to a screw 16, a screw connecting rod 16, a second butt-joint block 16 is installed on the inner end of the second nail body connecting rod 16.
The intramedullary nail is arranged in the femur 18, the length of the whole intramedullary nail can be adjusted by adjusting the distance between the ends of the first nail body 1 and the second nail body 2, and the intramedullary nail is prevented from being too long or too short and is not suitable for patients with different body types.
The utility model discloses a theory of operation is: when a fractured femur of a patient is fixed, a medical worker can adjust the length of an intramedullary nail according to the length of the femur of the patient, the medical worker can remove the sealing cover 17, the connecting rod 14 is inserted into the butt joint groove 6 in the first butt joint block 5 through the second butt joint block 16, then the connecting rod 14 is rotated to drive the mounting rod 4 to rotate, the second nail body 2 in threaded connection with the mounting rod 4 can ascend or descend, so that the first nail body 1 can stretch and contract, the length of the whole intramedullary nail is adjusted, the connecting rod 14 is taken away after the length of the intramedullary nail is adjusted, the sealing cover 17 is installed, then the intramedullary nail is installed in the femur of the patient, and then the intramedullary nail is fixed through the first fixing screw 11 and the second fixing screw 13, so that the intramedullary nail and the femur are fixed together.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a fixed intramedullary nail of using of femoral fracture, includes first nail body (1) and the second nail body (2), its characterized in that, the internally mounted of first nail body (1) has installation piece (3), the inside of installation piece (3) is run through and is rotated and be connected with installation pole (4), first butt joint piece (5) is installed to the upper end of installation pole (4), two butt joint grooves (6) have been seted up to the inside symmetry of first butt joint piece (5), gag lever post (7) are all installed to the left and right sides that the lower surface of installation piece (3) is located installation pole (4), thread groove (8) have been seted up to the inside central point department of putting of the second nail body (2), and spacing groove (9) have all been seted up to the left and right sides that the inside of the second nail body (2) is located thread groove (8).
2. The intramedullary nail for fixing femoral fracture according to claim 1, wherein two first fixing holes (10) are opened at the inner upper end of the first nail body (1), a first fixing screw (11) is movably installed inside the first fixing hole (10), two second fixing holes (12) are opened at the inner lower end of the first nail body (1), and two second fixing screws (13) are movably installed inside the second fixing holes (12).
3. The intramedullary nail for fixing femoral fracture according to claim 1, wherein a connecting rod (14) is installed at the left side of the first nail body (1), a connecting block (15) is installed at the lower end of the connecting rod (14), two second butt-jointing blocks (16) are symmetrically installed at the lower surface of the connecting block (15), and a sealing cover (17) is connected to the inner thread of the upper end of the first nail body (1).
4. Intramedullary nail for the fixation of femoral fractures according to claim 1, characterized in that said second shank (2) is slidingly coupled inside the first shank (1), said mounting rod (4) is screwed inside the threaded groove (8) and said stop rod (7) is slidingly coupled inside the stop groove (9).
5. Intramedullary nail for the fixation of femoral fractures according to claim 3, characterized in that said second abutment block (16) is fitted to the abutment slot (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222395645.2U CN218572278U (en) | 2022-09-09 | 2022-09-09 | Intramedullary nail for fixing femoral fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222395645.2U CN218572278U (en) | 2022-09-09 | 2022-09-09 | Intramedullary nail for fixing femoral fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218572278U true CN218572278U (en) | 2023-03-07 |
Family
ID=85364532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222395645.2U Active CN218572278U (en) | 2022-09-09 | 2022-09-09 | Intramedullary nail for fixing femoral fracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218572278U (en) |
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2022
- 2022-09-09 CN CN202222395645.2U patent/CN218572278U/en active Active
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