CN210130911U - Steel plate auxiliary instrument for increasing internal fixation strength of fracture - Google Patents
Steel plate auxiliary instrument for increasing internal fixation strength of fracture Download PDFInfo
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- CN210130911U CN210130911U CN201920463193.2U CN201920463193U CN210130911U CN 210130911 U CN210130911 U CN 210130911U CN 201920463193 U CN201920463193 U CN 201920463193U CN 210130911 U CN210130911 U CN 210130911U
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Abstract
The utility model relates to a steel plate auxiliary instrument for increasing the internal fixation strength of fracture, which comprises a female steel plate, a male steel plate, a long nail, a short nail and a titanium alloy steel wire; screw holes and short nail holes are distributed on the female steel plate in a staggered manner; the inner wall of the short nail hole is provided with internal threads; long nail holes are distributed on the sub steel plate in a staggered manner; the long nail consists of a screw and a nut; the side surface of the screw is provided with external threads, the tail end of the screw is fixedly connected with a screw cap, the tail part of the screw is provided with a steel wire accommodating groove, and the bottom of the steel wire accommodating groove is provided with a steel wire hole which penetrates through the steel wire accommodating groove; one end of the titanium alloy steel wire is provided with a fixed ball, and the other end is provided with a lantern ring; the short nail consists of a stud and a column head; the side surface of the stud is provided with external threads of the stud, the tail end of the stud is fixedly connected with a column cap, and the tail part of the stud is provided with a sleeve ring groove. Its advantages are: the screw layout of the steel plate is improved, the fixing range is expanded, the fracture fixation firmness is improved, and fracture complications such as bone nonunion, steel plate fracture, reduction loss and the like are reduced; improve the fixation effect of the steel plate and enhance the healing of fracture.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to an increase steel sheet appurtenance of fracture internal fixation intensity.
Background
The locking steel plate is a fracture fixing device with locking threaded holes. The locking steel plate enables the combination of the bone and the steel plate to be firmer, and the broken limb after restoration is more stable. The locking steel plate is used in spinal surgery and maxillofacial surgery at the earliest 20 years ago, and can stabilize fracture and simultaneously reduce extensive stripping and injury of soft tissues.
The orthopedic steel plate is widely used for internal fixation of fracture, and through decades of development, the locking steel plate is most used clinically at present, is widely used for various fractures, is particularly suitable for treating senile osteoporotic fracture, and achieves good clinical effect. However, the existing methods such as limitation of fixing range, unreasonable screw arrangement, insufficient and firm fracture fixation and the like are used, and the fracture fixation is not firm, so that complications such as bone nonunion, steel plate fracture, reduction and loss and the like are easily caused.
Chinese patent documents: CN109350213A, published: 2019.02.19, discloses a bone compression tool, a bone compression fixation device and a method of bone compression fixation. Including pressurization pole and rotary rod, the rotary rod cover is established the outside of pressurization pole and with pressurization pole spiro union, the head of pressurization pole stretches out the rotary rod, the head of pressurization pole is provided with drill bit and first screw thread.
Chinese patent documents: CN109223154A, published: 2019.01.18, discloses a pelvis universal locking steel plate. Comprises a substrate and a plurality of extending claws; the plurality of extension claws are connected with the substrate; the base plate is provided with a universal hole and a pressurizing hole; a pressurizing hole and a plurality of universal holes are arranged on any extending claw from the fixed end to the free end in sequence.
Chinese patent documents: CN109199561A, published: 2019.01.15, discloses a pelvic fracture surgery steel plate interlocking device, which comprises a positioning column arranged together with a strip-shaped steel plate fixing hole, wherein the upper part of the positioning column is provided with a solenoid, and a top locking wire is arranged in the solenoid; a through positioning transverse hole is transversely formed in the middle of the positioning column; the positioning columns are respectively arranged in the fixing holes of the two independent strip-shaped steel plates, and one connecting rod is sleeved in the positioning transverse holes of the two positioning columns and is locked by the top locking wires respectively.
However, the steel plate auxiliary instrument for increasing the internal fixation strength of the fracture has not been reported at present.
Disclosure of Invention
The utility model aims at providing a steel plate auxiliary instrument for increasing the internal fixation strength of fracture.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a steel plate auxiliary instrument for increasing the internal fixation strength of fracture comprises a mother steel plate (1), a son steel plate (2), a long nail (3), a short nail (4) and a titanium alloy steel wire (5); the female steel plate (1) is in a cuboid plate shape with a horizontal front surface and an arc rear surface, and screw holes (11) and short nail holes (12) are distributed on the female steel plate (1) in a staggered manner; the inner wall of the short nail hole (12) is provided with an internal thread (13);
the sub steel plate (2) is in a cuboid plate shape with a horizontal front surface and an arc rear surface, and long nail holes (21) are distributed on the sub steel plate (2) in a staggered manner;
the long nail (3) consists of a screw (31) and a nut (32); the side surface of the screw (31) is provided with an external thread (33), and the tail end of the screw (31) is fixedly connected with a nut (32); a steel wire accommodating groove (34) is formed in the tail of the screw (31), and a steel wire hole (35) penetrating through the steel wire accommodating groove (34) is formed in the bottom of the steel wire accommodating groove; a titanium alloy steel wire (5) is arranged in the steel wire hole (35);
one end of the titanium alloy steel wire (5) is provided with a fixed ball (51), and the other end is provided with a lantern ring (52); the lantern ring (52) is sleeved on the short nail (4);
the short nail (4) consists of a stud (41) and a column head (42); the side of double-screw bolt (41) is equipped with double-screw bolt external screw thread (43), the tail end fixedly connected with column cap (42) of double-screw bolt (41), the afterbody of double-screw bolt (41) is equipped with lantern ring groove (44).
The internal thread (13) is matched with the external thread (43) of the stud.
The height of the stud (41) is smaller than the thickness of the female steel plate (1).
The diameter of the fixing ball (51) is larger than the aperture of the steel wire hole (35).
The utility model has the advantages that:
1. the utility model discloses an increase steel sheet auxiliary instrument of internal fixation intensity of fracture improves the screw overall arrangement of steel sheet, enlarges fixed range, and it is fixed firm to improve the fracture, reduces fracture complication like bone nonunion, steel sheet fracture, restore to the throne lose etc..
2. The utility model discloses an increase steel sheet auxiliary instrument of internal fixation intensity of fracture improves the fixed effect of steel sheet, strengthens the healing of fracture, reduces the emergence of bad complication.
Drawings
FIG. 1 is a schematic structural diagram of a steel plate auxiliary instrument for increasing the internal fixation strength of fracture.
FIG. 2 is a schematic structural diagram of a female steel plate of a steel plate auxiliary instrument for increasing the internal fixation strength of fracture.
FIG. 3 is a schematic structural diagram of a female steel plate of a steel plate auxiliary instrument for increasing the internal fixation strength of fracture.
FIG. 4 is a structural diagram of a sub-steel plate of the steel plate auxiliary instrument for increasing the internal fixation strength of the fracture.
FIG. 5 is a schematic view of a spike of a steel plate auxiliary instrument for increasing the internal fixation strength of a fracture.
FIG. 6 is a schematic view of a short nail structure of a steel plate auxiliary instrument for increasing the internal fixation strength of fracture.
FIG. 7 is a structural diagram of a titanium alloy steel wire of a steel plate auxiliary instrument for increasing the internal fixation strength of fracture.
FIG. 8 is a schematic view of the combination of long nail, short nail and titanium alloy steel wire of a steel plate auxiliary instrument for increasing the internal fixation strength of fracture.
FIG. 9 is a schematic view of the combination of long nail, short nail and titanium alloy steel wire of a steel plate auxiliary instrument for increasing the internal fixation strength of fracture.
FIG. 10 is a schematic view of the use of a steel plate auxiliary instrument for increasing the internal fixation strength of a fracture.
Detailed Description
The invention will be further described with reference to the following examples and with reference to the accompanying drawings.
The reference numerals and components referred to in the drawings are as follows:
1. mother steel plate
11. Screw hole
12. Short nail hole
13. Internal thread
2. Sub steel plate
21. Long nail hole
3. Long nail
31. Screw nail
32. Nut cap
33. External thread
34. Steel wire accommodating groove
35. Steel wire hole
4. Short nail
41. Stud bolt
42. Column cap
43. Stud external thread
44. Sleeve ring groove
5. Titanium alloy steel wire
51. Fixing ball
52. Lantern ring
53. Sleeve ring groove
6. Broken bone
61. Fracture site
Example 1
Referring to fig. 1, fig. 1 is a schematic structural diagram of a steel plate auxiliary instrument for increasing internal fixation strength of a fracture according to the embodiment. The steel plate auxiliary instrument for increasing the internal fixation strength of the fracture comprises a mother steel plate (1), a son steel plate (2), a long nail (3), a short nail (4) and a titanium alloy steel wire (5);
referring to fig. 2 and 3, fig. 2 and 3 are schematic structural diagrams of a mother steel plate of the steel plate auxiliary instrument for increasing internal fixation strength of fracture according to the embodiment. The female steel plate (1) is in a cuboid plate shape with a horizontal front surface and an arc rear surface, and screw holes (11) and short nail holes (12) are distributed on the female steel plate (1) in a staggered manner; the inner wall of the short nail hole (12) is provided with an internal thread (13);
referring to fig. 4, fig. 4 is a schematic structural diagram of a sub-steel plate of the steel plate auxiliary instrument for increasing internal fixation strength of fracture according to the embodiment. The sub steel plate (2) is in a cuboid plate shape with a horizontal front surface and an arc rear surface, and long nail holes (21) are distributed on the sub steel plate (2) in a staggered manner;
referring to fig. 5 and 9, fig. 5 is a schematic structural view of a long nail of the steel plate auxiliary instrument for increasing internal fixation strength of fracture according to the present embodiment, and fig. 9 is a schematic structural view of a combination of a long nail, a short nail and a titanium alloy steel wire of the steel plate auxiliary instrument for increasing internal fixation strength of fracture according to the present embodiment. The long nail (3) consists of a screw (31) and a nut (32); the side surface of the screw (31) is provided with an external thread (33), and the tail end of the screw (31) is fixedly connected with a nut (32); a steel wire accommodating groove (34) is formed in the tail of the screw (31), and a steel wire hole (35) penetrating through the steel wire accommodating groove (34) is formed in the bottom of the steel wire accommodating groove; a titanium alloy steel wire (5) is arranged in the steel wire hole (35);
referring to fig. 7 and 8, fig. 7 is a schematic structural view of a titanium alloy steel wire of the steel plate auxiliary instrument for increasing internal fixation strength of fracture according to the present embodiment, and fig. 8 is a schematic view of a combination of a long nail, a short nail and a titanium alloy steel wire of the steel plate auxiliary instrument for increasing internal fixation strength of fracture according to the present embodiment. One end of the titanium alloy steel wire (5) is provided with a fixed ball (51), and the other end is provided with a lantern ring (52); the lantern ring (52) is sleeved on the short nail (4);
referring to fig. 6, fig. 6 is a schematic structural view of a short nail of the steel plate auxiliary instrument for increasing the internal fixation strength of a fracture according to the embodiment. The short nail (4) consists of a stud (41) and a column head (42); the side of double-screw bolt (41) is equipped with double-screw bolt external screw thread (43), the tail end fixedly connected with column cap (42) of double-screw bolt (41), the afterbody of double-screw bolt (41) is equipped with lantern ring groove (44).
The internal thread (13) is matched with the external thread (43) of the stud.
The height of the stud (41) is smaller than the thickness of the female steel plate (1).
The diameter of the fixing ball (51) is larger than the aperture of the steel wire hole (35).
Example 2
Referring to fig. 10, fig. 10 is a schematic view illustrating the use of the steel plate auxiliary instrument for increasing the internal fixation strength of fracture according to the present embodiment.
The use process and the method of the steel plate auxiliary instrument for increasing the internal fixation strength of the fracture are as follows:
firstly, fixing a mother steel plate (1) on one side of a fracture part (61) on a fractured bone (6) through screws, and then screwing a short nail (4) in a short nail hole (12); then the sub steel plate (2) is placed on the other side of the fracture part (61), then the redundant titanium alloy steel wire (5) is wound in the steel wire accommodating groove (34), then the long nail (3) penetrates through the long nail hole (21) on the sub steel plate (2), and the sub steel plate (2) is fixed on the fracture part (61); at the moment, the titanium alloy steel wire (5) is tensioned, so that the fixing effect of the steel plate is increased, the healing of fracture is enhanced, and the occurrence of adverse complications is reduced.
It needs to be further explained that: when in use, the number of the required titanium alloy steel wires (5) is determined according to the operation requirement; the length of the titanium alloy steel wire (5) is enough, broken bones with different thicknesses can be fixed, and the redundant titanium alloy steel wire (5) can be wound in the steel wire accommodating groove (34).
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principles of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.
Claims (4)
1. A steel plate auxiliary instrument for increasing the internal fixation strength of fracture is characterized by comprising a female steel plate (1), a male steel plate (2), a long nail (3), a short nail (4) and a titanium alloy steel wire (5); the female steel plate (1) is in a cuboid plate shape with a horizontal front surface and an arc rear surface, and screw holes (11) and short nail holes (12) are distributed on the female steel plate (1) in a staggered manner; the inner wall of the short nail hole (12) is provided with an internal thread (13); the sub steel plate (2) is in a cuboid plate shape with a horizontal front surface and an arc rear surface, and long nail holes (21) are distributed on the sub steel plate (2) in a staggered manner; the long nail (3) consists of a screw (31) and a nut (32); the side surface of the screw (31) is provided with an external thread (33), and the tail end of the screw (31) is fixedly connected with a nut (32); a steel wire accommodating groove (34) is formed in the tail of the screw (31), and a steel wire hole (35) penetrating through the steel wire accommodating groove (34) is formed in the bottom of the steel wire accommodating groove; a titanium alloy steel wire (5) is arranged in the steel wire hole (35); one end of the titanium alloy steel wire (5) is provided with a fixed ball (51), and the other end is provided with a lantern ring (52); the lantern ring (52) is sleeved on the short nail (4); the short nail (4) consists of a stud (41) and a column head (42); the side of double-screw bolt (41) is equipped with double-screw bolt external screw thread (43), the tail end fixedly connected with column cap (42) of double-screw bolt (41), the afterbody of double-screw bolt (41) is equipped with lantern ring groove (44).
2. The steel plate auxiliary instrument for increasing the internal fixation strength of the fracture as claimed in claim 1, wherein the internal thread (13) is matched with the external thread (43) of the stud.
3. The plate aid for increasing the internal fixation strength of fracture according to claim 1, characterized in that the height of the stud (41) is smaller than the thickness of the female steel plate (1).
4. The steel plate auxiliary instrument for increasing the internal fixation strength of fracture according to claim 1, wherein the diameter of the fixing ball (51) is larger than the diameter of the steel wire hole (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920463193.2U CN210130911U (en) | 2019-04-08 | 2019-04-08 | Steel plate auxiliary instrument for increasing internal fixation strength of fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920463193.2U CN210130911U (en) | 2019-04-08 | 2019-04-08 | Steel plate auxiliary instrument for increasing internal fixation strength of fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210130911U true CN210130911U (en) | 2020-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920463193.2U Active CN210130911U (en) | 2019-04-08 | 2019-04-08 | Steel plate auxiliary instrument for increasing internal fixation strength of fracture |
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| Country | Link |
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| CN (1) | CN210130911U (en) |
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- 2019-04-08 CN CN201920463193.2U patent/CN210130911U/en active Active
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