CN216535476U - Acetabular quadrilateral fracture bone fracture plate - Google Patents
Acetabular quadrilateral fracture bone fracture plate Download PDFInfo
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- CN216535476U CN216535476U CN202122319079.2U CN202122319079U CN216535476U CN 216535476 U CN216535476 U CN 216535476U CN 202122319079 U CN202122319079 U CN 202122319079U CN 216535476 U CN216535476 U CN 216535476U
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Abstract
The utility model discloses an acetabular quadrilateral fracture bone plate, which belongs to the technical field of orthopedic implants and comprises a plate body, wherein the plate body comprises a transverse plate part, a first inclined plate part and a second inclined plate part, the transverse plate part is used for being attached to an arch line, the first inclined plate part is positioned at one end, close to the rear edge of a closed hole, of the transverse plate part, the second inclined plate part is positioned at one end, far away from the rear edge of the closed hole, of the transverse plate part, the first inclined plate part and the second inclined plate part enclose a triangular structure with through holes in the middle, the shape of the plate body is matched with the anatomical structure of the acetabular quadrilateral, a hanging lug used for being attached to the upper edge of a true pelvis is vertically arranged at one end, close to the rear edge of the closed hole, of the transverse plate part, at least two of the first inclined plate part and the second inclined plate part, and the hanging lugs are provided with screw holes. The acetabulum quadrilateral fracture bone plate is specially used for acetabulum quadrilateral fracture, is suitable for minimally invasive surgery, and has a good use effect.
Description
Technical Field
The utility model relates to the technical field of orthopedic implants, in particular to an acetabular quadrilateral fracture bone fracture plate.
Background
The quadrilateral area behind the acetabular fossa, formed by the varus of the sitting bone, is called the quadrilateral. The upper boundary of the acetabulum four-sided body is an arcuate line, the lower boundary is the bottom of the ischial vertical body and the upper edge of the ischial joint, the front boundary is the rear edge of the obturator foramen, and the rear boundary is the greater incisure of the ischial.
The four-sided body is the innermost side wall of the acetabulum and is also an important component of the acetabulum, has the function of preventing the femoral head from moving backwards into the pelvis, the front side of the four-sided body is adjacent to the front column of the pelvis, the back side is a sitting body, and forms a large sciatic incisura with the inner side wall of the acetabulum to form most of the articular surface of the acetabulum. The top of the acetabulum socket is the main bearing area of the acetabulum, the top of the quadrilateral body is a component of the bearing area, and the inner walls of the quadrilateral body maintain the contact between the femoral head and the main bearing area, which is particularly important.
At present, when the fracture of the quadrilateral acetabulum is treated, a pelvis plate is usually used for fixing the fracture, the pelvis plate is suitable for various fractures (compounding other fractures) of the pelvis part, but the use effect is poor when the fracture of the quadrilateral acetabulum is treated; and the pelvis plate has larger volume and is not suitable for minimally invasive surgery. Therefore, in the case of acetabular quadrilateral fracture, a specific bone fracture plate aiming at the acetabular quadrilateral fracture needs to be introduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing the acetabulum quadrilateral fracture bone fracture plate which aims at acetabulum quadrilateral fracture, is suitable for minimally invasive surgery and has good use effect.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model provides an acetabular quadrilateral fracture coaptation board, the package rubbing board body, the plate body is including being used for pasting the horizontal plate portion of establishing in arcuation line department, being located the horizontal plate portion is close to the first swash plate portion of obturator trailing edge one end and being located the second swash plate portion that the obturator trailing edge one end was kept away from to the horizontal plate portion, first swash plate portion and second swash plate portion enclose into the middle triangle-shaped structure that has the thru hole, the shape of plate body is identical with acetabular quadrilateral anatomical structure, the one end that the horizontal plate portion is close to the obturator trailing edge is equipped with perpendicularly and is used for pasting the ear of hanging of establishing on true pelvis, horizontal plate portion, first swash plate portion and second swash plate portion at least two in and all be equipped with the screw hole on the ear of hanging.
Further, one end of the transverse plate part close to the rear edge of the closed hole is provided with a transverse extending part, and the suspension lug is positioned on the transverse extending part.
Furthermore, the transverse extension part is provided with a screw hole, and the position of the screw hole exceeds the connecting part of the suspension lug and the transverse extension part.
Further, only the horizontal plate portion and the second swash plate portion of the horizontal plate portion, the first swash plate portion, and the second swash plate portion are provided with screw holes.
Further, the length of the transverse plate part is 40-80mm, and the length of the transverse extending part is 8-12 mm.
Furthermore, a locking pressurizing hole is formed in one side, close to the rear edge of the closed hole, of the transverse plate.
Furthermore, the whole body of the plate body is provided with a curved circular arc for transition.
Furthermore, sharp teeth are arranged on the edge of the lower surface of the joint of the transverse plate part and the second inclined plate part, and/or sharp teeth are arranged on the edge of the lower surface of the joint of the second inclined plate part and the first inclined plate part.
Furthermore, the number of the screw holes on the transverse plate part and the second inclined plate part is 2-4.
Further, the number of screw holes in the lateral plate portion is 2, the number of locking pressurizing holes in the lateral plate portion is 1, the number of screw holes in the second swash plate portion is 3, and the number of screw holes in the suspension lug is 1.
The utility model has the following beneficial effects:
the utility model relates to an acetabulum quadrangular fracture bone plate, which comprises a plate body, wherein the plate body comprises a transverse plate part, a first inclined plate part and a second inclined plate part, wherein the first inclined plate part is positioned at one end of the transverse plate part, which is close to the rear edge of a closed hole, and the second inclined plate part is positioned at one end of the transverse plate part, which is far away from the rear edge of the closed hole; the shape of the plate body is matched with the anatomic structure of the acetabulum quadrilateral, so that the plate body which is anatomically designed according to the physiological structure of the acetabulum quadrilateral of the big data human body is good in fitting property after being fixed with the acetabulum quadrilateral, secondary shaping is not needed, the intraoperative time is saved, and better intraoperative experience can be provided for doctors; one end of the transverse plate part close to the rear edge of the closed hole is vertically provided with a suspension lug which is used for being attached to the upper edge of the true pelvis, and the suspension lug is provided with a screw hole, so that the plate body can be stably fixed, and the firmness of the plate body is improved. The acetabulum quadrilateral fracture bone plate is specially used for acetabulum quadrilateral fracture, is suitable for minimally invasive surgery, and has a good use effect.
Drawings
FIG. 1 is a schematic view of the entire structure of the acetabular quadrangular bone fracture plate according to the utility model in one direction;
FIG. 2 is a schematic view of the entire structure of the acetabular quadrilateral fracture bone plate of the utility model in another direction;
FIG. 3 is a schematic view showing a state of use of the acetabular quadrangular bone fracture plate according to the present invention in one direction;
FIG. 4 is a schematic view of the acetabulum quadrangular body fracture bone plate in another direction in use.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The utility model provides an acetabular quadrilateral fracture bone plate, which comprises a plate body 1 as shown in figures 1 to 4, wherein:
the plate body 1 comprises a transverse plate part 11 attached to an arch line, a first inclined plate part 12 positioned at one end, close to the closed hole rear edge 30, of the transverse plate part 11, and a second inclined plate part 13 positioned at one end, far away from the closed hole rear edge 30, of the transverse plate part 11, wherein the transverse plate part 11, the first inclined plate part 12 and the second inclined plate part 13 enclose a triangular structure with through holes in the middle;
the plate body 1 is shaped to fit the anatomical structure of the acetabulum quadrilateral body 10, a suspension lug 14 for attaching to the upper edge of the true pelvis 20 is vertically provided at one end of the horizontal plate portion 11 near the closed hole rear edge 30, and screw holes 15 are provided in the horizontal plate portion 11, at least two of the first inclined plate portion 12 and the second inclined plate portion 13, and the suspension lug 14.
As shown in fig. 3-4, when in operation, the approach is performed through the incision on the outer side of the rectus abdominis or other pelvic surgeries, after the fracture reduction, the plate body 1 is held by using a tool and is attached to the four-sided body 10 of the acetabulum, the position of the plate body 1 is adjusted to enable the transverse plate part 11 to be attached to the arch line, the suspension lugs 14 are attached to the upper edge of the true pelvis 20, and after the position of the plate body 1 is adjusted, the locking screws are implanted along the screw holes 15 on the plate body 1 and the suspension lugs 14 to complete the implantation and fixation of the plate body 1, thereby achieving the effect of stable fixation.
The utility model relates to an acetabulum quadrangular fracture bone plate, which comprises a plate body, wherein the plate body comprises a transverse plate part, a first inclined plate part and a second inclined plate part, wherein the first inclined plate part is positioned at one end of the transverse plate part, which is close to the rear edge of a closed hole, and the second inclined plate part is positioned at one end of the transverse plate part, which is far away from the rear edge of the closed hole; the shape of the plate body is matched with the anatomic structure of the acetabulum quadrilateral, so that the plate body which is anatomically designed according to the physiological structure of the acetabulum quadrilateral of the big data human body is good in fitting property after being fixed with the acetabulum quadrilateral, secondary shaping is not needed, the intraoperative time is saved, and better intraoperative experience can be provided for doctors; one end of the transverse plate part close to the rear edge of the closed hole is vertically provided with a suspension lug which is used for being attached to the upper edge of the true pelvis, and the suspension lug is provided with a screw hole, so that the plate body can be stably fixed, and the firmness of the plate body is improved. The acetabulum quadrilateral fracture bone plate is specially used for acetabulum quadrilateral fracture, is suitable for minimally invasive surgery, and has a good use effect.
As shown in fig. 1-2, the transverse panel portion 11 may be provided with a laterally extending portion 16 at an end thereof adjacent the closed-cell rear edge 30, and the suspension ears 14 may be positioned on the laterally extending portion 16 such that the suspension ears 14 may be positioned at the laterally extending portion 16 such that the suspension ears 14 may be offset from the longitudinal position of the first inclined panel portion 12 relative to the transverse panel portion 11 (i.e., the suspension ears 14 may not be aligned with the first inclined panel portion 12), thereby improving the rigidity of the panel 1. The lateral extension 16 may be provided with a screw hole 15, the screw hole 15 preferably being positioned closer to the rear obturator edge 30 than the junction between the suspension tab 14 and the lateral extension 16, so that the screw hole 15 may be offset from the junction between the suspension tab 14 and the lateral extension 16, further improving the rigidity of the panel body 1.
In view of the strength of the bone against force and the reduction of damage to the bone, it is preferable that only the horizontal plate portion 11 and the second inclined plate portion 13 of the horizontal plate portion 11, the first inclined plate portion 12, and the second inclined plate portion 13 of the present invention be provided with screw holes 15.
The length L1 of the transverse plate part 11 is preferably 40-80mm, such as 50mm, 60mm, 70mm, etc., and the plate body 1 with a proper length can be selected according to the needs in the operation; the length L2 of the lateral extension 16 is preferably 8-12mm, e.g. 9mm, 10mm, etc.
To facilitate the locking and pressing of the plate body 1, the cross plate 11 may be provided with a locking and pressing hole 17 on the side thereof adjacent to the closed-hole rear edge 30. The locking pressure hole 17 is of a conventional construction in the art and will not be described in detail here.
The whole body of the plate body 1 can be provided with a curved circular arc for transition, so that the stress concentration of the plate body 1 is avoided, and meanwhile, the interference of surrounding soft tissues is avoided. The lower surface edge of the joint of the transverse plate part 11 and the second inclined plate part 13 can be provided with sharp teeth (not shown), and/or the lower surface edge of the joint of the second inclined plate part 13 and the first inclined plate part 12 can be provided with sharp teeth (not shown), which can be embedded into bone blocks, so that the plate body 1 can be stably fixed at the acetabulum quadrilateral body 10, and the stability of the plate body 1 can be ensured.
The number of screw holes 15 in each of the horizontal plate portion 11 and the second inclined plate portion 13 is preferably 2 to 4 in consideration of the fastening strength. Preferably, the number of the screw holes 15 of the horizontal plate portion 11 is 2, the number of the locking pressure holes 17 of the horizontal plate portion 11 is 1, the number of the screw holes 15 of the second inclined plate portion 13 is 3, and the number of the screw holes 15 of the suspension lugs 14 and the lateral extension portions 16 is 1, which is the best for the fixation effect.
In conclusion, the acetabulum quadrilateral fracture bone plate is a specific bone plate aiming at acetabulum quadrilateral fracture, can provide better conformance and stable fixation, and is mainly characterized in that:
(1) the plate body is designed in an anatomical mode according to the physiological structure of the acetabulum quadrilateral body of a big data human body, so that the plate body and the acetabulum quadrilateral body are good in fit performance, secondary shaping is not needed, specificity is realized, and the intraoperative time can be saved;
(2) the plate body is provided with a suspension lug which is formed by bending and is used for being placed on the upper edge of the true pelvis, and a locking screw is implanted after the plate body is tightly attached to the quadrangular body, so that the effect of stable fixation can be achieved;
(3) the plate body can be made of pure titanium, has good plasticity, has smaller volume than a pelvic plate, and is more minimally invasive to the operation;
(4) the proper nail hole can be selected according to the screw hole and the locking pressurizing hole of the fracture line on the plate body, and screws with the diameters of 5.0, 4.5, 4.0 and 3.5mm are implanted, so that the effect of stable fixation is achieved.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (10)
1. The utility model provides an acetabular quadrilateral fracture coaptation board, its characterized in that, the package rubbing board body, the plate body is including being used for pasting the horizontal plate portion of establishing in arcuation line department, being located the horizontal plate portion is close to the first swash plate portion of obturator trailing edge one end and being located the horizontal plate portion is kept away from the second swash plate portion of obturator trailing edge one end, horizontal plate portion, first swash plate portion and second swash plate portion enclose into the middle triangle-shaped structure that has the thru hole, the shape of plate body is identical with acetabular quadrilateral anatomical structure, the one end that the horizontal plate portion is close to the obturator trailing edge is equipped with perpendicularly and is used for pasting the suspension ear of establishing on true pelvis, at least both in horizontal plate portion, first swash plate portion and the second swash plate portion and all be equipped with the screw hole on the suspension ear.
2. The acetabular quadrangular bone fracture plate of claim 1, wherein the transverse plate portion is provided with a transverse extension at an end thereof near a posterior edge of the closed hole, and the suspension lugs are located on the transverse extension.
3. The acetabular quadrangular bone fracture plate according to claim 2, wherein the lateral extension is provided with a screw hole positioned beyond a junction of the suspension lug and the lateral extension.
4. The acetabular quadrangular bone fracture plate according to claim 1, wherein the transverse plate portion, the first inclined plate portion and the second inclined plate portion are provided with screw holes only on the transverse plate portion and the second inclined plate portion.
5. An acetabular quadrangular bone fracture plate according to claim 2, wherein the length of the lateral plate portion is 40-80mm and the length of the lateral extension is 8-12 mm.
6. The acetabular quadrangular bone plate for fracture according to any one of claims 1 to 5, wherein the lateral plate portion is provided with a locking pressure hole at a side thereof adjacent to a posterior edge of the closed hole.
7. The acetabular quadrangular bone plate of claim 6, wherein the plate body has a curved arc transition around the circumference.
8. The acetabular quadrangular bone fracture plate according to claim 6, wherein the lower surface edge of the junction of the transverse plate portion and the second inclined plate portion is provided with pointed teeth, and/or the lower surface edge of the junction of the second inclined plate portion and the first inclined plate portion is provided with pointed teeth.
9. The acetabular quadrangular bone fracture plate according to claim 6, wherein the number of the screw holes of the transverse plate portion and the second inclined plate portion is 2-4.
10. The acetabular quadrangular bone fracture plate according to claim 9, wherein the number of screw holes in the lateral plate portion is 2, the number of locking compression holes in the lateral plate portion is 1, the number of screw holes in the second oblique plate portion is 3, and the number of screw holes in the suspension ears is 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122319079.2U CN216535476U (en) | 2021-09-24 | 2021-09-24 | Acetabular quadrilateral fracture bone fracture plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122319079.2U CN216535476U (en) | 2021-09-24 | 2021-09-24 | Acetabular quadrilateral fracture bone fracture plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216535476U true CN216535476U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122319079.2U Active CN216535476U (en) | 2021-09-24 | 2021-09-24 | Acetabular quadrilateral fracture bone fracture plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216535476U (en) |
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2021
- 2021-09-24 CN CN202122319079.2U patent/CN216535476U/en active Active
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