CN210697798U - Distal femur lateral locking plate - Google Patents
Distal femur lateral locking plate Download PDFInfo
- Publication number
- CN210697798U CN210697798U CN201920729365.6U CN201920729365U CN210697798U CN 210697798 U CN210697798 U CN 210697798U CN 201920729365 U CN201920729365 U CN 201920729365U CN 210697798 U CN210697798 U CN 210697798U
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- plate body
- plate
- hole
- locking
- arc
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Abstract
The utility model is suitable for the technical field of orthopedic medical equipment, and provides a locking plate at the outer side of the distal end of a femur, which comprises a first locking mechanism and a second locking mechanism, wherein the second locking mechanism comprises a second plate body, a first plate body provided with a combined hole is arranged, the combined hole is provided with an arc hole and a threaded hole, the arc hole is used for installing a compression screw, the threaded hole is used for installing the locking screw, a doctor can conveniently select different modes to fix the first plate body, a first side plate with a first side hole is fixed on the side edge of the first plate body, so that the first plate body can be locked from the side surface of the femur through the side hole, the structure of the first plate body is more stable, a plurality of second locking holes are arranged on the second plate body by arranging a second plate body fixedly connected with the first plate body, and the second plate body can be reinforced, the utility model has the advantages of being capable of resisting stronger shearing force, but also can pressurize the broken bone.
Description
Technical Field
The utility model belongs to the technical field of orthopedics medical equipment, especially, relate to thighbone distal end outside lockplate.
Background
In the orthopedic surgery, the fracture part needs to be fixed by using a femoral locking plate and screws, and the current femoral locking plate has the following technical problems: oppresses periosteum, influences the blood supply at fracture end, prolongs recovery time; meanwhile, the common compression screw has light resistance to shearing force and is easy to loosen under the action of the shearing force; although the locking screw has strong resistance to shearing force, the locking screw cannot pressurize the fractured bone surface, and the fractured bone is in a separated state, so that the fracture healing is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model provides a distal femur outside locking plate, which aims to solve the problem that the common compression screw has light resistance to shearing force and is easy to loosen under the action of the shearing force; the locking screw has strong resistance to shearing force, but can not pressurize the fractured bone surface.
The utility model is realized in such a way that the outer side locking plate of the distal femur comprises a first locking mechanism and a second locking mechanism;
the first locking mechanism comprises a first plate body and a first side plate, a plurality of combined holes are formed in the first plate body, each combined hole is provided with an arc-shaped hole and a threaded hole, the arc-shaped holes and the threaded holes are overlapped, two first positioning holes and one first locking hole are formed in one end of the first plate body, the first side plate is fixed on the edges of the two sides of the first plate body respectively, the two first side plates are symmetrically arranged, a first side hole is formed in each first side plate, and a pressure reduction groove of an arc-shaped structure is formed in the edge of the first plate body;
the second locking mechanism comprises a second plate body, the outer edge of the second plate body is of an arc-shaped structure, the second plate body is fixed to the other end of the first plate body, and a plurality of second locking holes and at least one second positioning hole are formed in the second plate body.
The utility model discloses still provide preferred, be fixed with two second curb plates that the symmetry set up on the second plate body, the second side opening has been seted up on the second curb plate.
The utility model discloses it is preferred still to provide, first plate body with the second plate body adopts TA titanium metal material integrated into one piece.
The utility model discloses it is preferred still to provide, the one end of first plate body has the shield head of an arc structure.
The utility model discloses it is preferred still to provide, it is a plurality of on the first plate body the combination hole is followed the even interval of length direction of first plate body sets up.
The utility model discloses it is preferred still to provide, first plate body with the junction of second plate body has the arc kink.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a thighbone distal end outside lockplate, first plate body through setting up the combination hole has an arc hole and a screw hole, the arc hole is used for compression screw's installation, the screw hole is used for locking screw's installation, it fixes to first plate body to be convenient for supply the doctor to select different modes, through the first curb plate that has first side hole on the side edge at first plate body, thereby can lock first plate body from the side of thighbone through the side opening, make the structure of first plate body more stable, through the second plate body that sets up the first plate body of fixed connection, a plurality of second locking holes have been seted up on the second plate body, thereby can consolidate the second plate body, the utility model discloses an overall structure is stable, can install compression screw and locking screw simultaneously, convenient to use.
Drawings
Fig. 1 is a schematic view of the overall structure of the distal femur outer locking plate of the present invention;
fig. 2 is an overall side view of the present invention.
In the figure: 1-a first locking mechanism, 11-a first plate body, 12-a combined hole, 121-an arc hole, 122-a threaded hole, 13-a first locking hole, 14-a first positioning hole, 15-a first side plate, 151-a first side hole, 16-a pressure reduction groove, 2-a second locking mechanism, 21-a second plate body, 22-a second locking hole, 23-a second positioning hole, 24-a second side plate and 242-a second side hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-2, the present invention provides a technical solution: the distal femur lateral locking plate comprises a first locking mechanism 1 and a second locking mechanism 2.
The first locking mechanism 1 includes a first plate body 11 and a first side plate 15, a plurality of combination holes 12 have been seted up on the first plate body 11, combination hole 12 has an arc hole 121 and a screw hole 122, the mutual overlap of arc hole 121 and screw hole 122, two first locating holes 14 and a first locking hole 13 have been seted up to the one end of first plate body 11, be fixed with a first side plate 15 on the both sides border of first plate body 11 respectively, two first side plates 15 are the symmetry setting, and seted up a first side hole 151 on the first side plate 15, set up arc structure's decompression groove 16 on the border of first plate body 11.
The second locking mechanism 2 includes a second plate 21, the outer edge of the second plate 21 is an arc-shaped structure, the second plate 21 is fixed to the other end of the first plate 11, and the second plate 21 is provided with a plurality of second locking holes 22 and at least one second positioning hole 23.
In this embodiment, the first plate 11 is used to fix a femur of a patient, the arc-shaped hole 121 and the threaded hole 122 of the combination hole 12 are respectively used to install a compression screw and a locking screw, a doctor can select to install the compression screw for compression locking according to the specific condition of the patient, or select the locking screw for conventional locking, the positioning hole 14 is symmetrical along the center line of the length direction of the first plate 11, the positioning hole 14 is used to install a k-nail, so as to preposition the first plate 11 for facilitating subsequent locking, the first locking hole 13 is used to install the locking screw, so that the end of the first plate 11 is more stable, the first side plate 15 and the first plate 11 are integrally formed, the joint of the first side plate 15 and the first plate 11 is curved, the two first side plates 15 are clamped at two sides of the femur of the patient, the first side hole 15 is a tapered threaded hole and can install the locking screw, further, the first plate 11 is reinforced, and the pressure reduction groove 16 can reduce the pressure of the first plate 11 on periosteum, reduce the influence on blood supply to the fractured bone, and accelerate the healing of the fractured bone.
The second plate body 21 is also used for fixing the femur of a patient, the second locking holes 22 are three and are distributed in a triangular shape, the second locking holes 22 are used for installing locking screws to fix the second plate body 21, the second positioning holes 23 are also symmetrical along the central line of the second plate body 21, and the second positioning holes 23 are used for installing kirschner screws to pre-position the second plate body 11, so that subsequent operation is facilitated.
Further, two second side plates 24 symmetrically disposed are fixed on the second plate body 21, and the second side plates 24 are provided with second side holes 242.
In the present embodiment, the second side plate 24 is integrally formed with the second plate body 21, the second side plate 24 is respectively clamped on both sides of the femur of the patient, the second side hole 242 is a tapered screw hole, and the doctor can fix the second plate body 21 from the side by installing a locking screw in the second side hole 242.
Further, the first plate body 11 and the second plate body 21 are integrally formed by using a TA3 titanium metal material.
In the embodiment, the TA3 titanium metal material has better comprehensive performance and excellent corrosion resistance, the biocompatibility of titanium is good, and the density and elasticity of the titanium metal material are close to those of human bones, and the titanium metal material has no magnetism, so the titanium metal material is safer and more comfortable after being implanted into the body of a patient.
Further, one end of the first plate 11 has a shield head with an arc structure.
In this embodiment, the shield head of the arcuate configuration is advantageous for reducing damage to the soft tissue of the patient.
Further, the plurality of combination holes 12 on the first plate 11 are uniformly spaced along the length direction of the first plate 11.
In the present embodiment, the center line of the combination hole 12 coincides with the center line of the first plate 11 in the longitudinal direction, and the combination holes 12 disposed at regular intervals are uniformly stressed and have a stable structure after the compression screw or the locking screw hole is installed.
Further, the joint of the first plate 11 and the second plate 21 has an arc-shaped bent portion.
In the embodiment, the arc-shaped bending plate can be more suitable for the structure of the femur of a patient, and the use is more convenient.
The utility model discloses a theory of operation and use flow: the utility model discloses when installing, at first utilize the ke shi nail through first locating hole 14 and second locating hole 23 with first plate body 11 and second plate body 21 prepositioning on patient's thighbone, rethread first locking hole 13 and second locking hole 22 installation locking screw, select forcing screw or locking screw according to patient's particular case, and install in combination hole 12, thereby carry out the locking of different modes to first plate body 11, the realization has stronger resistance to the shearing force simultaneously, and pressurize to disconnected bone face.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. Distal femur lateral locking board, its characterized in that: comprises a first locking mechanism (1) and a second locking mechanism (2);
the first locking mechanism (1) comprises a first plate body (11) and a first side plate (15), the first plate body (11) is provided with a plurality of combination holes (12), each combination hole (12) is provided with an arc-shaped hole (121) and a threaded hole (122), the arc-shaped holes (121) and the threaded holes (122) are mutually overlapped, one end of the first plate body (11) is provided with two first positioning holes (14) and a first locking hole (13), two side edges of the first plate body (11) are respectively fixed with the first side plate (15), the two first side plates (15) are symmetrically arranged, the first side plate (15) is provided with a first side hole (151), and the edge of the first plate body (11) is provided with a decompression groove (16) with an arc-shaped structure;
the second locking mechanism (2) comprises a second plate body (21), the outer edge of the second plate body (21) is of an arc-shaped structure, the second plate body (21) is fixed to the other end of the first plate body (11), and a plurality of second locking holes (22) and at least one second positioning hole (23) are formed in the second plate body (21).
2. The lateral distal femoral locking plate of claim 1, wherein: two second side plates (24) which are symmetrically arranged are fixed on the second plate body (21), and second side holes (242) are formed in the second side plates (24).
3. The lateral distal femoral locking plate of claim 1, wherein: the first plate body (11) and the second plate body (21) are integrally formed by adopting a TA3 titanium metal material.
4. The lateral distal femoral locking plate of claim 1, wherein: one end of the first plate body (11) is provided with a shield head with an arc structure.
5. The lateral distal femoral locking plate of claim 1, wherein: the plurality of combination holes (12) in the first plate body (11) are uniformly arranged at intervals along the length direction of the first plate body (11).
6. The lateral distal femoral locking plate of claim 1, wherein: the joint of the first plate body (11) and the second plate body (21) is provided with an arc-shaped bent part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920729365.6U CN210697798U (en) | 2019-05-21 | 2019-05-21 | Distal femur lateral locking plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920729365.6U CN210697798U (en) | 2019-05-21 | 2019-05-21 | Distal femur lateral locking plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210697798U true CN210697798U (en) | 2020-06-09 |
Family
ID=70924764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920729365.6U Expired - Fee Related CN210697798U (en) | 2019-05-21 | 2019-05-21 | Distal femur lateral locking plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210697798U (en) |
-
2019
- 2019-05-21 CN CN201920729365.6U patent/CN210697798U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 Termination date: 20210521 |