CN220423950U - Novel tibia platform rear inner side anatomy locking bone fracture plate - Google Patents
Novel tibia platform rear inner side anatomy locking bone fracture plate Download PDFInfo
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- CN220423950U CN220423950U CN202222889363.8U CN202222889363U CN220423950U CN 220423950 U CN220423950 U CN 220423950U CN 202222889363 U CN202222889363 U CN 202222889363U CN 220423950 U CN220423950 U CN 220423950U
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- arm
- tibial plateau
- distal longitudinal
- hole
- proximal cross
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- 208000010392 Bone Fractures Diseases 0.000 title claims description 17
- 210000002303 tibia Anatomy 0.000 title claims description 14
- 210000003484 anatomy Anatomy 0.000 title abstract description 10
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 30
- 238000005452 bending Methods 0.000 claims abstract description 5
- 210000001699 lower leg Anatomy 0.000 claims description 4
- 230000035876 healing Effects 0.000 abstract description 2
- 230000000399 orthopedic effect Effects 0.000 description 4
- 210000003275 diaphysis Anatomy 0.000 description 2
- 210000000629 knee joint Anatomy 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 241000469816 Varus Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of medical appliances, and discloses a novel tibial plateau back inner side anatomy locking bone plate which is in an inverted L shape and comprises a proximal cross arm and a distal longitudinal arm, wherein a pre-bending groove is respectively arranged on two sides of a joint of the proximal cross arm and the distal longitudinal arm, three locking holes are formed in the proximal cross arm along the length direction, an elliptic common hole is formed in a metaphyseal part on the distal longitudinal arm, a sliding hole and four 8-shaped holes are formed in a tibial stem part on the distal longitudinal arm from top to bottom, and a Kirschner pin hole is respectively formed in the metaphyseal part on the proximal cross arm and the distal longitudinal arm. The utility model is suitable for the fracture of the back inner side of the tibial plateau, accords with the anatomy of the surface of the back inner side of the tibial plateau, is convenient to use, and can greatly improve the stability of fixation, thereby accelerating the healing of the fracture of a patient.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a novel tibial plateau back inner side anatomy locking bone plate.
Background
The fracture parting of the tibia plateau commonly used clinically is Schatzker parting, CT parting is introduced on the basis of the parting in 2018, and the tibia plateau is divided into four quadrants, namely front inner quadrant, front outer quadrant, rear inner quadrant and rear outer quadrant. The fracture of the tibial plateau is related to the manner in which the force is applied and the position of the knee joint at the time of injury, when the knee joint is in flexion and is subjected to varus violence, a posterior medial fracture of the tibial plateau will occur. For fracture with the displacement exceeding 2mm, the fracture needs to be anatomically reset and internally fixed, while the existing bone fracture plates are mostly straight bone fracture plates, the tibia is not in line with the anatomy of the surface of the rear inner side of the tibia platform, needs pre-bending and shaping, and has poor fixation stability. Therefore, there is a great need for an anatomic locking bone plate for the posterior medial fracture of a tibial plateau which is convenient to use, has good fit and is stable in fixation.
Disclosure of Invention
The utility model aims to provide a novel tibial plateau posterolateral anatomy locking bone plate for solving the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a novel medial dissection locking bone fracture plate behind tibia platform, bone fracture plate is "L" that falls, including near-end xarm and distal end trailing arm, near-end xarm holds and fixes medial behind the tibia platform, distal end trailing arm is fixed inboard behind the tibia upper segment, near-end xarm and distal end trailing arm junction's both sides respectively are equipped with a preflex groove, near-end xarm is equipped with three locking hole along length direction, metaphyseal portion on the distal end trailing arm is equipped with an oval common hole, the tibial trunk portion on the distal end trailing arm is equipped with a sliding hole and four 8 word holes from top to bottom in proper order, metaphyseal portion on near-end xarm and the distal end trailing arm respectively is equipped with a kirschner wire hole.
By adopting the technical scheme, when an orthopedics doctor performs an operation, firstly, the proximal cross arm of the bone plate is attached to the inner side of the back of the tibial plateau of a patient, the distal longitudinal arm is attached to the inner side of the back of the upper tibial segment, then, the bone plate is temporarily fixed by a Kirschner wire through a Kirschner wire hole, then, a medical common screw is used for penetrating through a sliding hole of a shank diaphysis part, the bone plate is attached to the bone surface, finally, three locking screws are used for penetrating through three locking holes respectively, so that the proximal cross arm is fixed on the inner side of the back of the tibia, and the longitudinal arm is fixed on the shank diaphysis sequentially fixed by using the medical screw through a common hole and a 8-shaped hole.
Preferably, the proximal crossbar has a width of 8mm, a length of 32mm, the diameter of the locking holes on the proximal cross arm is 2.7mm, and the hole spacing is 5mm.
Preferably, the metaphyseal segment section of the distal trailing arm is 15mm long and 10mm wide, and the minor axis of the oblong common bore in the metaphyseal segment section is 3.5mm.
Preferably, the tibial stem portion on the distal trailing arm is 50mm long and 10mm wide, and the minor axis of the sliding aperture on the tibial stem portion is 3.5mm.
Preferably, the 8-shaped holes are a combination of the locking holes and the common holes, the diameters of the locking holes and the common holes are 3.5mm, and the hole spacing of the 8-shaped holes is 4mm.
Preferably, the bone plate is secured to the tibial plateau by medical screws.
The beneficial effects of the utility model are as follows:
the utility model provides a novel tibial plateau back inner side anatomy locking bone plate, which has the advantages that the shape accords with the tibial plateau back inner side anatomy, the shaping is not needed, the use is convenient, the fixation stability can be greatly improved, and the healing of fracture of a patient is accelerated; the diameter of the locking hole on the proximal cross arm is 2.7mm, so that the smaller fracture block can be fixed conveniently; the sliding bore of the metaphyseal portion of the distal trailing arm facilitates adjustment of the bone plate position during fixation; the 8-shaped holes are the combination of the locking holes and the circular common holes, and orthopedics doctors can select the number and the types of the medical screws according to clinical needs.
Drawings
Fig. 1 is a schematic view of a novel tibial plateau posterior medial anatomic locking bone plate according to an embodiment of the present utility model;
fig. 2 is a schematic illustration of fixation of a novel tibial plateau posterior medial anatomic locking bone plate provided in an embodiment of the present utility model;
reference numerals in the drawings of the specification include: 1. a tibial plateau; 2. a bone plate; 3. a proximal crossbar; 4. a distal trailing arm; 5. a locking hole; 6. a pre-bending groove; 7. an elliptical common hole; 8. a sliding hole; 9. 8-shaped holes; 10. a medical screw; 11. a k-wire pinhole.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and embodiments:
as shown in figures 1-2, the novel tibial plateau back inner side anatomy locking bone plate is characterized in that the bone plate 2 is in an inverted L shape, the bone plate 2 is divided into a proximal transverse arm 3 and a distal longitudinal arm 4, the proximal transverse arm 3 is supported and fixed on the tibial plateau back inner side, the width is 8mm and the length is 32mm, three locking holes 5 with the diameter of 2.7mm are arranged, the hole spacing is 5mm, the proximal transverse arm 3 is also provided with a Kirschner hole 11, two sides of the joint of the proximal transverse arm 3 and the distal longitudinal arm 4 are respectively provided with a pre-bending groove 6, the distal longitudinal arm 4 is fixed on the tibia upper inner side, the width is 10mm, the bone plate comprises a metaphyseal part and a tibial metaphyseal part, the length is 15mm, an elliptic common through hole 7 is arranged, the short axis of the proximal transverse arm 3.5mm is arranged on the tibial part, the metaphyseal part is provided with a sliding hole 8, the short axis of the sliding hole 8 is 3.5mm, the hole length is 50mm, four 8 word holes 9 are arranged below the sliding hole 8, the diameter of the word hole 9 is 3.5mm, the common bone plate is connected with the tibia plateau through the common hole 1 mm, and the joint hole is fixed on the tibia plateau through the length is 10 mm.
The specific implementation process is as follows:
when the bone plate 2 is required to be used for the fracture of the posterior medial side of the tibial plateau of a patient, an orthopedics doctor firstly holds the proximal transverse arm 3 of the bone plate 2 on the posterior medial side of the tibial plateau, the distal longitudinal arm 4 is placed on the posterior medial side of the upper tibial plateau, then a Kirschner wire is used for temporarily fixing the bone plate through the Kirschner wire hole 11, a medical screw 10 passes through the sliding hole 8 of the tibial trunk to enable the bone plate 2 to be tightly attached to the bone surface, the medical screw 10 is used for fixing the proximal transverse arm 3 on the tibial plateau 1 through three locking holes 5 of the proximal transverse arm 3, the medical screw 10 passes through the oval common hole 7 of the metaphyseal part and the sliding hole 8 of the tibial trunk part to fix the distal longitudinal arm 4 on the posterior medial side of the upper tibial plateau, the 8-shaped hole 9 is the combination of the locking hole with the round common hole with the diameter of 3.5mm, and the orthopedics doctor can select the number and the types of the screwing-in of the medical screw 10 according to clinical needs.
The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (6)
1. A novel tibial plateau posterolateral anatomic locking bone plate, which is characterized in that: the bone fracture plate (2) is of an inverted L shape and comprises a proximal cross arm (3) and a distal longitudinal arm (4), the proximal cross arm (3) is supported and fixed on the rear inner side of a tibial plateau, the distal longitudinal arm (4) is fixed on the rear inner side of the upper tibial segment, pre-bending grooves (6) are respectively formed in two sides of the joint of the proximal cross arm (3) and the distal longitudinal arm (4), three locking holes (5) are formed in the proximal cross arm (3) along the length direction, an oval common through hole (7) is formed in a metaphyseal portion on the distal longitudinal arm (4), a sliding hole (8) and four 8-shaped holes (9) are sequentially formed in a tibial stem portion on the distal longitudinal arm (4) from top to bottom, and a Ke's needle hole (11) is formed in the metaphyseal portion on the proximal cross arm (3) and the distal longitudinal arm (4).
2. The novel tibial plateau posterior medial anatomic locking bone plate of claim 1, wherein: the width of the proximal cross arm is 8mm, the length of the proximal cross arm is 32mm, the diameter of the locking hole (5) in the proximal cross arm (3) is 2.7mm, and the hole spacing is 5mm.
3. The novel tibial plateau posterior medial anatomic locking bone plate of claim 1, wherein: the metaphyseal segment on the distal longitudinal arm (4) is 15mm long and 10mm wide, and the minor axis of the oblong common bore (7) on the metaphyseal segment is 3.5mm.
4. The novel tibial plateau posterior medial anatomic locking bone plate of claim 1, wherein: the shank portion on the distal trailing arm (4) is 50mm long and 10mm wide, and the minor axis of the sliding hole (8) on the shank portion is 3.5mm.
5. The novel tibial plateau posterior medial anatomic locking bone plate of claim 1, wherein: the 8-shaped holes (9) are formed by combining locking holes and circular common holes, the diameters of the locking holes and the circular common holes are 3.5mm, and the hole spacing of the 8-shaped holes (9) is 4mm.
6. The novel tibial plateau posterior medial anatomic locking bone plate of claim 1, wherein: the bone fracture plate (2) is fixedly connected to the tibia platform (1) through medical screws (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222889363.8U CN220423950U (en) | 2022-11-01 | 2022-11-01 | Novel tibia platform rear inner side anatomy locking bone fracture plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222889363.8U CN220423950U (en) | 2022-11-01 | 2022-11-01 | Novel tibia platform rear inner side anatomy locking bone fracture plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220423950U true CN220423950U (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222889363.8U Active CN220423950U (en) | 2022-11-01 | 2022-11-01 | Novel tibia platform rear inner side anatomy locking bone fracture plate |
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| Country | Link |
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| CN (1) | CN220423950U (en) |
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2022
- 2022-11-01 CN CN202222889363.8U patent/CN220423950U/en active Active
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