CN215079499U - Child hip bone fracture plate system - Google Patents
Child hip bone fracture plate system Download PDFInfo
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- CN215079499U CN215079499U CN202022341933.0U CN202022341933U CN215079499U CN 215079499 U CN215079499 U CN 215079499U CN 202022341933 U CN202022341933 U CN 202022341933U CN 215079499 U CN215079499 U CN 215079499U
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- universal
- locking hole
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- bone plate
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Abstract
The utility model provides a children hip bone fracture plate system, which comprises a bone fracture plate, wherein the bone fracture plate comprises a head part and a cadre part, the head part is provided with a first near end and a first far end, the cadre part is provided with a second near end and a second far end, and the first far end of the head part is connected with the second near end of the cadre part; the first far end of the head part is provided with a first universal locking hole; the second proximal end of the stem is provided with a second universal locking hole; and the universal locking screw is matched with the first universal locking hole or the second universal locking hole. The child hip bone plate system is positioned and fixed through the universal locking hole and the universal screw, so that the strength is not lost, the screw can be adjusted in all directions, the angle of the screw can be adjusted according to the skeletal anatomy and operation conditions of a patient, the condition that the screw enters a joint surface and grabs bone blocks at special positions is avoided, fracture lines are avoided, and clinical complex conditions are flexibly coped with; the guide pin groove can be used for temporary positioning through the Kirschner wire, and the minimally invasive opening determines the optimal position of the bone plate.
Description
Technical Field
The utility model relates to the field of medical equipment, more specifically say and relate to a child hip coaptation board system.
Background
Many hereditary, congenital or developmental osteoarticular diseases of children often cause deformity, improper treatment may leave joint and limb disability, movement dysfunction, and due to lack of self-care ability, learning, life and work in the growth process are affected, so that physical and psychological pains are brought to children patients and families, and simultaneously, heavy economic burden is born. When the conventional treatment needs surgical correction, accurate and appropriate internal fixation instruments are needed to assist in achieving good deformity correction so as to restore good shape and function, and the instruments also need to accord with the growth and development characteristics of children. For children with proximal femur deformity requiring osteotomy correction, children's anatomical locking metal plate is often used clinically for auxiliary operation treatment at present. The lower rotation of the femoral trochanter and the introversion osteotomy can correct the anteverted angle and the jugular stem angle of the developmental deformity, and increase the stability of the hip joint and the femoral head accommodation degree after the reduction. Meanwhile, the plate-type structure can also be used in various environments such as operation fixation of proximal femur pathological changes, delayed union of fracture or operation fixation of nonunion revision.
The locking plate that adopts after carrying out thighbone near-end osteotomy clinically fixes, often exist because the face of cutting bone is high or current board nail structure is limited by locking hole screw thread direction and fixes and can not adjust, it is limited with the sclerotin to appear that set screw pierces through cortex or nail body position, it is difficult to obtain strong stability and influences orthopedic effect and maintains, adjust down the osteotomy plane for fixing stability sometimes, can reduce the accuracy that thighbone neck anteversion angle, the dry neck angle is corrected, thighbone biomechanics is not strictly matched to the biomechanics after the osteotomy thighbone biomechanics, the function of walking after the postoperative may receive the influence, influence and the final effect of correcting the operation. In addition, if the plate type application area is a bone lesion or a revision surgery, there is a problem that a local screw holding force is insufficient under conditions such as bone destruction, osteoporosis, or bone defect.
The head of the existing locking and pressurizing bone fracture plate is of a locking hole structure, the trunk part is of a composite hole, and the locking and pressurizing bone fracture plate is fixed in the direction of a nail hole at the neck of the bone fracture plate, so that the fixing direction of a screw is single and the screw cannot be adjusted according to the fracture line under different clinical fracture conditions; in addition, the bone plate needs open operation when being implanted, the correct position of the bone plate is determined, and the operation opening is large, so that the postoperative recovery is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to prior art not enough, the utility model provides a child hip coaptation board system, child hip coaptation board system fixes a position fixedly through first universal locking hole and the universal locking hole cooperation universal screw of second, neither loses intensity, makes the screw adjust in all directions again, can dissect and operate the situation according to patient's skeleton, and adjusting screw's angle avoids getting into the articular surface and snatchs the bone piece of special position, avoids the broken bone line, deals with clinical complex condition in a flexible way.
The purpose of the utility model is realized by the following technical scheme.
A pediatric hip bone plate system comprising a bone plate comprising a head portion having a first proximal end and a first distal end, and a shaft portion having a second proximal end and a second distal end, the first distal end of the head portion being connected to the second proximal end of the shaft portion;
the first far end of the head part is provided with a first universal locking hole;
the second proximal end of the stem is provided with a second universal locking hole;
the pediatric hip bone plate system further comprises a universal locking screw that mates with the first universal locking hole or the second universal locking hole.
The head part is fixedly connected with the cadre part in an inclined way.
The head is square.
The first proximal end of the head is provided with 2 locking holes, and the center of the first universal locking hole is between the centers of the 2 locking holes.
The head is also provided with a guide pin hole.
The second universal locking hole is a universal composite hole.
The second distal end is provided with at least 2 locking holes, and the second universal locking hole and the at least 2 locking holes are distributed along the shaft axis.
The at least 2 locking holes are all composite holes.
The universal locking screw is a hollow universal locking screw.
The second far end is provided with a guide pin groove.
The utility model has the advantages that:
this technical scheme makes the improvement to prior art's not enough, fixes a position fixedly through first universal locking hole and the universal locking hole cooperation universal screw of second, neither loses intensity, makes the screw adjust in all directions again, can dissect and the operation situation according to patient's skeleton, and adjusting screw's angle avoids getting into the articular surface and snatching the bone piece of special position, avoids the broken bone line, deals with clinical complex condition in a flexible way.
The child hip bone plate system provided by the technical scheme uses the hollow universal locking screw, so that good guiding and positioning can be conveniently carried out through the guide pin in the operation process, and the optimal locking position can be determined; in addition, a guide pin groove is arranged at the far end of the bone plate cadre, the guide pin groove can be temporarily positioned through a Kirschner wire, and the minimally invasive opening determines the optimal position of the bone plate; the device can be used for treating infantile hip diseases through minimally invasive surgery, the surgical operation is simple, and the recovery of patients is fast;
the child hip bone fracture plate system provided by the technical scheme is suitable for correcting a plurality of bone diseases and injury secondary problems in the field of child orthopedics, and is suitable for treating diseases such as congenital deformity such as hip varus/valgus, developmental diseases such as hip dislocation, trauma remaining deformity such as fracture deformity healing, epiphyseal injury secondary development deformity such as hip varus/valgus deformity caused by early closure of epiphyseal plate, proximal femoral bone tumor, femoral neck bone fiber structure badness, pathological fracture and the like.
Drawings
FIG. 1 is a top view of a bone plate according to one embodiment of the present invention;
FIG. 2 is a bottom view of a bone plate according to one embodiment of the present invention;
FIG. 3 is a side view of a bone plate according to one embodiment of the present invention;
fig. 4 is a schematic structural diagram of a universal locking screw according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a bone plate head according to an embodiment of the present invention.
In the figure: the bone fracture plate comprises a bone fracture plate body 1, a universal locking screw body 2, a head 3, a dry part 4, a guide pin hole 5, a locking hole 6, a first universal locking hole 7, a universal composite hole 8, a composite hole 9, a guide pin groove 10, a head universal structure 11 and a hollow structure 12.
Detailed Description
The technical solution of the present invention is further explained by the following specific examples.
A pediatric hip bone plate system comprising a bone plate comprising a head portion having a first proximal end and a first distal end, and a shaft portion having a second proximal end and a second distal end, the first distal end of the head portion being connected to the second proximal end of the shaft portion;
the first far end of the head part is provided with a first universal locking hole;
the second proximal end of the stem is provided with a second universal locking hole;
the pediatric hip bone plate system further comprises a universal locking screw that mates with the first universal locking hole or the second universal locking hole.
The locking holes in the bone fracture plate can be all universal holes, in order to ensure the strength of the bone fracture plate, the bone fracture plate is preferably only provided with the first universal locking hole and the second universal locking hole, and the rest locking holes are not universal holes.
The first universal locking hole and the second universal locking hole and the universal locking screw matched with the first universal locking hole or the second universal locking hole can adopt the design of the prior art, such as the design of the locking hole and the locking screw disclosed in CN101778604B and CN103961173B, the screw can be adjusted within 15 degrees in each direction, and other structural designs of the universal locking hole or the universal locking screw can be selected according to requirements.
The child hip bone plate system provided by the technical scheme fixes the position through the first universal locking hole and the second universal locking hole matched with the universal screw, so that the strength is not lost, the screw can be adjusted in all directions, the bone blocks in special positions can be prevented from entering the articular surface and being grabbed according to the bone anatomy and operation conditions of a patient, the angle of the screw can be adjusted, the bone fracture line is avoided, and the clinical complex condition can be flexibly dealt with.
The pediatric hip bone plate system is suitable for correcting a plurality of bone diseases and injury secondary problems in the pediatric orthopedics field, and is suitable for treating diseases such as congenital deformity such as hip varus/valgus, developmental diseases such as hip dislocation, trauma remaining deformity such as fracture deformity healing, epiphyseal injury secondary developmental deformity such as hip varus/valgus deformity caused by early closure of epiphyseal plate, proximal femoral bone tumor, femoral neck bone fiber structure badness, pathological fracture and the like.
In order to realize the anatomical design of the bone plate, so that the bone plate can deal with more operation conditions and is suitable for wide patient application, the head part and the stem part of the bone plate are fixedly connected in an inclined mode, namely the bone plate is in a head-up shape, and the inclination angle of the head part and the stem part is preferably 110-150 degrees, such as 112 degrees, 115 degrees, 126 degrees, 135 degrees, 140 degrees or 145 degrees.
In order to increase the strength of the head of the bone fracture plate, the head is square.
The first near end of the head can be provided with 1, 2 or 3 locking holes and the like to adapt to different operation conditions, in order to ensure the fixing strength, the adjusting amplitude and the positioning precision, the head is provided with 2 locking holes, the locking holes are symmetrically arranged on the head, and the center of the first universal locking hole is arranged between the centers of the two locking holes.
The head is also provided with a guide pin hole, which is convenient for positioning the bone fracture plate.
The second universal locking hole is a universal composite hole to adapt to more surgical conditions, and the universal composite hole is formed by processing a part of the composite hole into a universal hole on the basis of the composite hole.
In order to ensure the fixing firmness, the second far end is provided with at least 2 locking holes, such as 2, 3, 4 or 5, and the like, the second universal locking hole and the at least 2 locking holes are distributed along the axis of the trunk part, the trunk part can be provided with a plurality of locking holes, and different numbers of the locking holes can be selected according to different operation conditions.
The at least 2 locking holes are all composite holes so as to meet the locking and pressurizing requirements of the bone fracture plate.
The universal locking screw is a hollow universal locking screw, and the best locking position of the universal locking screw is determined by utilizing the hollow structure to perform good positioning through the guide pin. In addition, the bone fracture plate can be used for minimally invasive surgery treatment by matching with the hollow universal locking screw, and is particularly important for treating infantile hip diseases.
The second far end is provided with a guide pin groove which can be positioned through a Kirschner wire, and the guide pin groove is preferably U-shaped.
The child hip bone plate system uses the hollow universal locking screw, so that good guiding and positioning can be conveniently carried out through the guide pin in the operation process, and the optimal locking position can be determined; in addition, a guide pin groove is arranged at the far end of the bone plate cadre, the guide pin groove can be temporarily positioned through a Kirschner wire, and the minimally invasive opening determines the optimal position of the bone plate; can be used for treating infantile hip diseases through minimally invasive surgery, and has simple operation and quick recovery of patients.
Example one
The bone plate system for correcting the infantile hip deformity comprises a bone plate 1, a universal locking screw 2 and a locking nail (not shown in the figures), wherein the bone plate comprises a head part 3 and a trunk part 4, the head part 3 and the trunk part 4 are fixedly connected in an inclined manner, a guide pin hole 5, a locking hole 6 and a first universal locking hole 7 are formed in the head part 3, a universal composite hole 8, a composite hole 9 and a guide pin groove 10 are formed in the trunk part 4, and the universal locking screw 2 is arranged in the first universal locking hole 7 and the universal composite hole 8 to realize fixation, as shown in figures 1-5.
The angle of inclination of the head 3 and the shaft 4 is 110 to 150.
The universal locking screw 2 is a universal hollow screw, a head universal structure 11 is arranged at the end part of the universal locking screw 2, and a hollow structure 12 is arranged inside the universal locking screw 2.
The head 3 is square.
The number of the locking holes 6 arranged on the head part 3 is two, the locking holes 6 are symmetrically arranged on the head part 3, and the centers of the universal locking holes 7 are arranged on an axis perpendicular to the midpoint between the circle centers of the two locking holes 6.
The number of the composite holes 9 is not less than 2, and the composite holes are adjacently arranged on the dry part 4.
The universal composite hole 8 is arranged at the connecting end part of the trunk part 4 and the head part 3, and the guide pin groove 10 is arranged at the far end of the trunk part 4.
The guide pin groove 10 is U-shaped.
To reduce muscle damage and ensure minimal soft tissue irritation, it is preferred that the bone plates be provided with limited contact slots.
The principle of use of the solution is as follows, as shown in fig. 1-2, the bone plate 1 is fixed to the bone surface to be corrected by means of universal locking screws 2. Guide pin hole 5 is used for the location, makes the location more convenient accurate. The locking holes 6 are used for anatomical fixation. The first universal locking hole 7 and the universal composite hole 8 are matched with the universal locking screw 2 for use, so that the locking angle of the universal locking screw 2 can be adjusted, for example, adjusted within 15 degrees in each direction. Avoid among the prior art because the board nail structure is limited by the fixed unable adjustment of locking hole screw thread direction, it is limited with the sclerotin contact to appear that set screw pierces through cortex lycii or nail body position, it is difficult to obtain strong stability and influences orthopedic effect to maintain or to compromise fixed stability with the osteotomy plane down-regulation, reduce thighbone neck anteversion angle, the accuracy of neck shaft angle correction, thighbone biomechanics axis does not strictly match human biomechanics after the osteotomy, postoperative walking function can receive the influence, influence and correct the appearance of the condition such as operation final effect. The composite hole 9 is used to secure the stem 4. The guide pin groove 10 can be used for temporary positioning through a Kirschner wire, and the optimal setting position of the bone fracture plate 1 is determined by using a minimally invasive opening. The correct position of the bone plate is not required to be determined through open surgery, and the wound area is reduced, so that postoperative recovery is facilitated. Meanwhile, the arrangement of a head guide hole can be omitted, and the structure is simplified.
The utility model discloses in if do not have special explanation, near-end and distal end are divided with the nearly far-end of coaptation board apart from patient's heart, and the part that the coaptation board is close to the heart is the near-end, and the part that the coaptation board is far away from the heart is the distal end. As shown in fig. 1, the proximal end of the head portion is the left side of the head portion, the distal end of the head portion is the right side of the head portion, the proximal end of the stem portion is the left side of the stem portion, and the distal end of the stem portion is the right side of the stem portion.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (10)
1. The utility model provides a child hip coaptation board system, includes the coaptation board, its characterized in that:
the bone plate comprises a head part and a dry part, wherein the head part is provided with a first near end and a first far end, the dry part is provided with a second near end and a second far end, and the first far end of the head part is connected with the second near end of the dry part;
the first far end of the head part is provided with a first universal locking hole;
the second proximal end of the stem is provided with a second universal locking hole;
the pediatric hip bone plate system further comprises a universal locking screw that mates with the first universal locking hole or the second universal locking hole.
2. The system of claim 1, wherein the head portion is fixedly attached to the shaft portion at an angle.
3. The pediatric hip bone plate system of claim 1, wherein the head is square.
4. The pediatric hip bone plate system of claim 1, wherein the first proximal end of the head defines 2 locking holes and the first universal locking hole has a center between the centers of the 2 locking holes.
5. The pediatric hip bone plate system according to claim 1, wherein the head is further provided with a guide pin hole.
6. The pediatric hip bone plate system of claim 1, wherein the second gimbaled locking hole is a gimbaled composite hole.
7. The pediatric hip bone plate system of claim 1, wherein the second distal end is provided with at least 2 locking holes, and wherein the second universal locking hole and the at least 2 locking holes are distributed along the stem axis.
8. The pediatric hip bone plate system of claim 7, wherein the at least 2 locking holes are each composite holes.
9. The pediatric hip bone plate system of claim 1, wherein the gimbaled locking screw is a hollow gimbaled locking screw.
10. The pediatric hip bone plate system according to claim 1, wherein the second distal end is provided with a guide pin slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022341933.0U CN215079499U (en) | 2020-10-20 | 2020-10-20 | Child hip bone fracture plate system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022341933.0U CN215079499U (en) | 2020-10-20 | 2020-10-20 | Child hip bone fracture plate system |
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| Publication Number | Publication Date |
|---|---|
| CN215079499U true CN215079499U (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022341933.0U Active CN215079499U (en) | 2020-10-20 | 2020-10-20 | Child hip bone fracture plate system |
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| CN (1) | CN215079499U (en) |
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- 2020-10-20 CN CN202022341933.0U patent/CN215079499U/en active Active
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