CN218305086U - Annular calcaneus dissection plate - Google Patents
Annular calcaneus dissection plate Download PDFInfo
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- CN218305086U CN218305086U CN202221690491.3U CN202221690491U CN218305086U CN 218305086 U CN218305086 U CN 218305086U CN 202221690491 U CN202221690491 U CN 202221690491U CN 218305086 U CN218305086 U CN 218305086U
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Abstract
The utility model relates to the technical field of medical equipment, and discloses a calcaneus annular anatomical plate, which comprises a first connecting area, a second connecting area and a third connecting area which are connected in sequence, wherein the first connecting area is a first quadrangle, and four corners of the first quadrangle are respectively provided with a locking hole; the second connecting area is a second quadrangle, four corners of the second quadrangle are respectively provided with a locking hole, the first quadrangle and the second quadrangle are provided with a first shared edge, and the locking holes at two ends of the first shared edge are first shared locking holes; the third connecting area is a heptagon, seven corners of the heptagon are respectively provided with a locking hole, the heptagon and the second quadrangle are provided with a second common side, and the locking holes at two ends of the second common side are second common locking holes; the utility model provides a pair of annular dissection board of calcaneus has solved current coaptation board stable inadequately, and the laminating degree is not high, operation difficulty, easy dislocation and the fixed not good problem of recovery effect.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to calcaneus annular dissection board.
Background
With diversification and generalization of sports projects, the calcaneus fracture becomes a common fracture disease, but no proper calcaneus fixing bone fracture plate for assisting the recovery of the calcaneus is available in the market. The existing calcaneus fracture plate has a complex structural surface, needs a plurality of bone plates for fixation, and is difficult to operate in an operation; or have some simple structure's coaptation board, nevertheless stable inadequately, the laminating degree is not high, and easy dislocation, fixed recovery effect is not good, in addition, if when the doctor operation because of the coaptation degree is not high, the coaptation board takes place to slide, probably leads to the condition such as doctor's operation process difficulty.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a calcaneus annular dissecting plate for solve at least one above-mentioned problem that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a calcaneus annular dissecting plate comprises a first connecting area, a second connecting area and a third connecting area which are sequentially connected, wherein the first connecting area is a first quadrangle, and locking holes are respectively formed in four corners of the first quadrangle;
the second connecting area is a second quadrangle, four corners of the second quadrangle are respectively provided with a locking hole, the first quadrangle and the second quadrangle are provided with a first shared edge, and the locking holes at two ends of the first shared edge are first shared locking holes;
the third connecting area is a heptagon, locking holes are respectively arranged at seven corners of the heptagon, a second shared edge is arranged on the heptagon and the second quadrangle, and the locking holes at two ends of the second shared edge are second shared locking holes;
the locking holes at the lower ends of the first quadrangle and the second quadrangle are lower end locking holes, the three locking holes at the rear end of the heptagon are rear end locking holes, and a connecting line between the lower end locking hole and the rear end locking hole is L-shaped;
the heptagon is provided with a top end locking hole, and the position of the top end locking hole is higher than the positions of the locking holes on two sides of the heptagon.
In this technical scheme, first joining region, the setting of second joining region and third joining region, form a closed annular structure, provide reliable support for comminuted fracture, the combination is equipped with the locking hole respectively at four edges of first quadrangle, four edges of second quadrangle are equipped with the locking hole respectively, seven edges of heptagon are equipped with the locking hole respectively, in addition, the locking hole at first sharing limit both ends is first shared locking hole, the locking hole at second sharing limit both ends is second shared locking hole, then have eleven locking hole altogether, the locking hole is convenient for drill hole according to the position of locking hole in the operation, afterwards implant the screw in locking hole and drilling department, during the operation, because the line between lower extreme locking hole and the rear end locking hole is L shape, the top locking hole has on the heptagon, the position of top locking hole is higher than the position of the locking hole of its both sides, then calcaneum annular dissection board can be implanted from traditional L shape operation entry cut, the top locking hole is to year articular relief, support that can be better.
The technical scheme is characterized in that the whole body is made of a high-strength titanium alloy material, so that the thickness can be reduced, and the notch is lower.
When a master physician performs an operation, firstly, reconstructing the anatomical relationship of the ulna coronary process of a patient; placing a calcaneus annular dissecting plate at a selected position, then adjusting the position of a locking hole according to the fracture position of the calcaneus of a patient, then sequentially drilling holes by using a drill sleeve and a drill bit, and implanting screws from two sides to the middle; and (5) locking the screws by using a torque screwdriver to complete the implantation work of the calcaneus annular anatomical plate.
Further, the third connection region exhibits a curved state conforming to a shape of a calcaneus bone. Wholly adopt calcaneum lateral wall anatomical morphology design, need not the intraoperative preflex, better laminating calcaneum structure improves operation stability.
Further, in order to better fit with a calcaneus structure, an included angle between a lower end edge of the second quadrangle and the second common edge is ^ A, and ^ A = 40-45 degrees.
Further, in order to better fit the calcaneus structure and improve the operation stability, the first quadrangle is provided with a first upper end edge, the second quadrangle is provided with a second upper end edge, the heptagon is provided with a first connecting edge, the first upper end edge extends horizontally, the second upper end edge extends obliquely, the first connecting edge is positioned on the extension line of the second upper end edge, and the top end locking hole is positioned at the upper end of the first connecting edge.
Further, for better laminating with the bone structure, improve operation stability, three rear end locking hole includes from last first rear end locking hole, second rear end locking hole and the third rear end locking hole that sets gradually extremely down, line between the central point in first rear end locking hole and the central point in third rear end locking hole is L1, the central point A in second rear end locking hole is located L1's the outside.
Furthermore, in order to better fit the calcaneus structure and improve the operation stability, a connecting line between a central point of the second common locking hole at the lower end of the second common edge and a central point of the second rear locking hole is L2, and a central point B of the third rear locking hole is positioned on the outer side of the L2.
Furthermore, in order to better fit the calcaneus structure and improve the operation stability, the locking hole between the top end locking hole and the first rear end locking hole is a middle locking hole, a connecting line between the central point of the top end locking hole and the central point of the first rear end locking hole is L3, and the central point C of the middle locking hole is positioned on the inner side of the L3.
Further, for better laminating with the calcaneus structure, improve operation stability, the line of connecting between the central point in middle locking hole and the central point in second rear end locking hole is L4, the central point D in first rear end locking hole is located the outside of L4.
Further, in order to better fit the calcaneus structure and improve the operation stability, a connecting line between a central point of the second common locking hole positioned at the upper end of the second common edge and a central point of the first common locking hole positioned at the lower end of the first common edge is L5, the first quadrangle is provided with a first upper end edge, and a central point E of the locking hole on the first upper end edge is positioned outside the L5.
Furthermore, in order to better fit the calcaneus structure and improve the operation stability, a connecting line between the central point of the second common locking hole at the lower end of the second common edge and the central point of the first common locking hole at the upper end of the first common edge is L6, and the central point F of the first common locking hole at the lower end of the first common edge is positioned outside the L6.
The utility model has the advantages that: in this technical scheme, first joining region, the setting of second joining region and third joining region, form a closed annular structure, provide reliable support for comminuted fracture, the combination is equipped with the locking hole respectively at four edges of first quadrangle, four edges of second quadrangle are equipped with the locking hole respectively, seven edges of heptagon are equipped with the locking hole respectively, in addition, the locking hole at first sharing limit both ends is first shared locking hole, the locking hole at second sharing limit both ends is second shared locking hole, then have eleven locking hole altogether, the locking hole is convenient for drill hole according to the position of locking hole in the operation, afterwards implant the screw in locking hole and drilling department, during the operation, because the line between lower extreme locking hole and the rear end locking hole is L shape, the top locking hole has on the heptagon, the position of top locking hole is higher than the position of the locking hole of its both sides, then calcaneum annular dissection board can be implanted from traditional L shape operation entry cut, the top locking hole is to year articular relief, support that can be better.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
FIG. 2 isbase:Sub>A schematic sectional view taken along line A-A in FIG. 1;
FIG. 3 is a schematic sectional view taken along line B-B in FIG. 1;
fig. 4 is a schematic structural diagram of the usage state of the present invention.
In the figure: a first connection region 1; a second attachment zone 2; a third linking region 3; a first common edge 4; a first common locking hole 5; a second common edge 6; a second common locking hole 7; a lower end locking hole 8; a top end locking hole 9; a first upper end edge 10; a first connecting edge 12; a first rear locking hole 13; a second rear end locking hole 14; a third rear end locking hole 15; a central locking hole 16.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Example 1:
as shown in fig. 1 to 4, the present embodiment provides a calcaneus annular anatomical plate, including a first connection area 1, a second connection area 2, and a third connection area 3, which are sequentially connected, where the first connection area 1 is a first quadrangle, and four corners of the first quadrangle are respectively provided with a locking hole;
the second connecting area 2 is a second quadrangle, four corners of the second quadrangle are respectively provided with a locking hole, the first quadrangle and the second quadrangle are provided with a first shared edge 4, and the locking holes at two ends of the first shared edge 4 are first shared locking holes 5;
the third connecting area 3 is a heptagon, seven corners of the heptagon are respectively provided with a locking hole, the heptagon and the second quadrangle are provided with a second shared edge 6, and the locking holes at two ends of the second shared edge 6 are second shared locking holes 7;
the locking holes at the lower ends of the first quadrangle and the second quadrangle are lower end locking holes 8, the three locking holes at the rear end of the heptagon are rear end locking holes, and a connecting line between the lower end locking hole 8 and the rear end locking holes is L-shaped;
the heptagon is provided with a top end locking hole 9, and the position of the top end locking hole 9 is higher than the positions of the locking holes at two sides.
In this technical scheme, first joining region 1, the setting of second joining region 2 and third joining region 3, form a closed annular structure, provide reliable support for comminuted fracture, the combination is equipped with the locking hole respectively at four edges of first quadrangle, four edges of second quadrangle are equipped with the locking hole respectively, seven edges of heptagon are equipped with the locking hole respectively, in addition, the locking hole at first sharing 4 both ends is first sharing locking hole 5, the locking hole at second sharing 6 both ends is second sharing locking hole 7, then have eleven locking hole altogether, the locking hole is convenient for drill hole according to the position of locking hole in the operation, afterwards lock hole and drilling department implantation screw, during the operation, because the line between lower extreme locking hole 8 and the rear end locking hole is L shape, top locking hole 9 has on the heptagon, the position of top locking hole 9 is higher than the position of the locking hole of its both sides, then calcaneus annular anatomical plate can implant from traditional type L shape operation entry, top locking hole 9 is carried apart from the distance to the support joint projection that can be better.
The technical scheme is characterized in that the whole body is made of a high-strength titanium alloy material, so that the thickness can be reduced, and the notch is lower.
When a master physician performs an operation, firstly reconstructing the anatomical relationship of the ulna crown process of a patient; placing a calcaneus annular dissecting plate at a selected position, then adjusting the position of a locking hole according to the fracture position of the calcaneus of a patient, then sequentially drilling holes by using a drill sleeve and a drill bit, and implanting screws from two sides to the middle; and locking the screws by using a torque driver to complete the implantation work of the calcaneus annular dissecting plate.
Example 2:
this embodiment is optimized based on embodiment 1 described above.
The third connection area 3 assumes a curved state corresponding to the shape of the calcaneus bone. Wholly adopt calcaneum lateral wall anatomical morphology design, need not the intraoperative preflex, better laminating calcaneum structure improves operation stability.
Example 3:
this embodiment is optimized based on embodiment 1 described above.
In order to better fit with a calcaneus structure, the included angle between the lower end edge of the second quadrangle and the second common edge 6 is ° a, wherein ℃ = 40-45 °, and preferably ℃ =43 °.
Example 4:
this example was optimized based on example 1 described above.
In order to better fit the calcaneus structure and improve the operation stability, the first quadrangle is provided with a first upper end edge 10, the second quadrangle is provided with a second upper end edge 11, the heptagon is provided with a first connecting edge 12, the first upper end edge 10 extends horizontally, the second upper end edge 11 extends obliquely, the first connecting edge 12 is positioned on the extension line of the second upper end edge 11, and the top end locking hole 9 is positioned at the upper end of the first connecting edge 12.
Example 5:
this example was optimized based on example 1 described above.
For better laminating calcaneus structure, improve operation stability, three rear end locking hole includes from last first rear end locking hole 13, second rear end locking hole 14 and the third rear end locking hole 15 that sets gradually down, and the line between the central point of first rear end locking hole 13 and the central point of third rear end locking hole 15 is L1, and the central point A of second rear end locking hole 14 is located L1's the outside.
Example 6:
this example was optimized based on example 5 described above.
In order to better fit the calcaneus structure and improve the operation stability, the connecting line between the central point of the second common locking hole 7 at the lower end of the second common edge 6 and the central point of the second rear locking hole 14 is L2, and the central point B of the third rear locking hole 15 is positioned outside the L2.
Example 7:
this embodiment is optimized based on embodiment 5 described above.
In order to better fit the calcaneus structure and improve the operation stability, the locking hole between the top locking hole 9 and the first rear locking hole 13 is a middle locking hole 16, the connecting line between the central point of the top locking hole 9 and the central point of the first rear locking hole 13 is L3, and the central point C of the middle locking hole 16 is positioned on the inner side of L3.
Example 8:
this embodiment is optimized based on embodiment 7 described above.
In order to better fit the calcaneus structure and improve the stability of the operation, the connecting line between the central point of the middle locking hole 16 and the central point of the second rear locking hole 14 is L4, and the central point D of the first rear locking hole 13 is positioned at the outer side of L4.
Example 9:
this example was optimized based on example 1 described above.
In order to better fit the calcaneus structure and improve the operation stability, the connecting line between the central point of the second common locking hole 7 positioned at the upper end of the second common edge 6 and the central point of the first common locking hole 5 positioned at the lower end of the first common edge 4 is L5, the first quadrangle has a first upper end edge 10, and the central point E of the locking hole on the first upper end edge 10 is positioned at the outer side of L5.
Example 10:
this example was optimized based on example 1 described above.
In order to better fit the calcaneus structure and improve the operation stability, the connecting line between the central point of the second common locking hole 7 at the lower end of the second common edge 6 and the central point of the first common locking hole 5 at the upper end of the first common edge 4 is L6, and the central point F of the first common locking hole 5 at the lower end of the first common edge 4 is positioned outside the L6.
According to the technical scheme, the plate shape is in accordance with the anatomical shape of the calcaneus, so that the plate can provide stable fixation when the calcaneus is fractured; eleven locking holes are formed in the plate, the bent shape of the plate adopts a bionic calcaneus structure, and the shape can be selected according to the shape of the calcaneus when the plate is used, so that the plate is suitable for calcaneus with different shapes; the calcaneus anatomical structure in the bionic shape can enable the calcaneus annular anatomical plate to be better attached, and the calcaneus recovery effect is stable.
Finally, it should be noted that: the above are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A calcaneus annular anatomical plate, comprising: the locking device comprises a first connecting area, a second connecting area and a third connecting area which are sequentially connected, wherein the first connecting area is a first quadrangle, and four corners of the first quadrangle are respectively provided with a locking hole;
the second connecting area is a second quadrangle, four corners of the second quadrangle are respectively provided with a locking hole, the first quadrangle and the second quadrangle are provided with a first shared edge, and the locking holes at two ends of the first shared edge are first shared locking holes;
the third connecting area is a heptagon, seven corners of the heptagon are respectively provided with a locking hole, the heptagon and the second quadrangle are provided with a second common side, and the locking holes at two ends of the second common side are second common locking holes;
the locking holes at the lower ends of the first quadrangle and the second quadrangle are lower end locking holes, the three locking holes at the rear end of the heptagon are rear end locking holes, and a connecting line between the lower end locking hole and the rear end locking hole is L-shaped;
the heptagon is provided with a top end locking hole, and the position of the top end locking hole is higher than the positions of the locking holes on two sides of the heptagon.
2. The calcaneus annular anatomical plate of claim 1, wherein: the third connection region exhibits a curvature conforming to the shape of the calcaneus bone.
3. A calcaneus annular anatomical plate according to claim 1, wherein: the included angle between the lower end edge of the second quadrangle and the second common edge is ≈ A, and = A = 40-45 degrees.
4. The calcaneus annular anatomical plate of claim 1, wherein: the first quadrangle is provided with a first upper end edge, the second quadrangle is provided with a second upper end edge, the heptagon is provided with a first connecting edge, the first upper end edge extends horizontally, the second upper end edge extends obliquely, the first connecting edge is positioned on an extension line of the second upper end edge, and the top end locking hole is positioned at the upper end of the first connecting edge.
5. A calcaneus annular anatomical plate according to claim 1, wherein: three rear end locking hole includes from last first rear end locking hole, second rear end locking hole and the third rear end locking hole that sets gradually extremely down, line between the central point in first rear end locking hole and the central point in third rear end locking hole is L1, the central point A in second rear end locking hole is located L1's the outside.
6. The calcaneus annular anatomical plate of claim 5, wherein: a connecting line between a center point of the second common locking hole located at the lower end of the second common edge and a center point of the second rear locking hole is L2, and a center point B of the third rear locking hole is located outside L2.
7. A calcaneus annular anatomical plate according to claim 5, wherein: the locking hole between the top end locking hole and the first rear end locking hole is a middle locking hole, a connecting line between a central point of the top end locking hole and a central point of the first rear end locking hole is L3, and a central point C of the middle locking hole is positioned on the inner side of the L3.
8. A calcaneus annular anatomical plate according to claim 7, wherein: a connecting line between the central point of the middle locking hole and the central point of the second rear locking hole is L4, and the central point D of the first rear locking hole is positioned on the outer side of L4.
9. The calcaneus annular anatomical plate of claim 1, wherein: a line connecting a center point of the second common locking hole located at the upper end of the second common side and a center point of the first common locking hole located at the lower end of the first common side is L5, the first quadrangle has a first upper end edge, and a center point E of the locking hole on the first upper end edge is located outside L5.
10. A calcaneus annular anatomical plate according to claim 1, wherein: a line connecting the center point of the second common locking hole located at the lower end of the second common side and the center point of the first common locking hole located at the upper end of the first common side is L6, and the center point F of the first common locking hole located at the lower end of the first common side is located outside L6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221690491.3U CN218305086U (en) | 2022-06-29 | 2022-06-29 | Annular calcaneus dissection plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221690491.3U CN218305086U (en) | 2022-06-29 | 2022-06-29 | Annular calcaneus dissection plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218305086U true CN218305086U (en) | 2023-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221690491.3U Active CN218305086U (en) | 2022-06-29 | 2022-06-29 | Annular calcaneus dissection plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218305086U (en) |
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2022
- 2022-06-29 CN CN202221690491.3U patent/CN218305086U/en active Active
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