CN214318118U - A fracture fixation system - Google Patents
A fracture fixation system Download PDFInfo
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- CN214318118U CN214318118U CN202022617611.4U CN202022617611U CN214318118U CN 214318118 U CN214318118 U CN 214318118U CN 202022617611 U CN202022617611 U CN 202022617611U CN 214318118 U CN214318118 U CN 214318118U
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- 210000000988 bone and bone Anatomy 0.000 claims abstract description 104
- 206010017076 Fracture Diseases 0.000 claims abstract description 92
- 208000010392 Bone Fractures Diseases 0.000 claims abstract description 88
- 210000002758 humerus Anatomy 0.000 claims description 15
- 230000007704 transition Effects 0.000 claims description 5
- 210000003275 diaphysis Anatomy 0.000 claims description 4
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 210000002303 tibia Anatomy 0.000 claims description 3
- 210000000689 upper leg Anatomy 0.000 claims description 3
- 208000024779 Comminuted Fractures Diseases 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 206010010149 Complicated fracture Diseases 0.000 description 2
- 241000446313 Lamella Species 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 206010065687 Bone loss Diseases 0.000 description 1
- 206010020462 Humerus fracture Diseases 0.000 description 1
- 208000002658 Intra-Articular Fractures Diseases 0.000 description 1
- 208000006670 Multiple fractures Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 210000003423 ankle Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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Abstract
The utility model provides a fracture fixation system, which comprises a bone plate, a first locking piece and a suture line; the first locking member having a longitudinal axis and having a first end and an opposing second end along its longitudinal axis; the first locking member is provided with a cavity extending from the first end to the second end; the first locking member is arranged in a first locking hole on the bone plate and penetrates out of the bone; the suture is passed through the cavity of the first retaining member to secure the bone pieces. Compared with the traditional fixing system comprising the bone plate provided with the suture holes, the fracture fixing system has stronger fixation on bone blocks and better fixing effect, does not need to be provided with the suture holes on the bone plate, and ensures the strength of the bone plate; the external fixator is particularly suitable for fixing the condyle fracture of which the small fracture block is difficult to fix and appears in comminuted fracture.
Description
Technical Field
The utility model relates to the field of medical equipment, more specifically say and relate to a fracture fixing system.
Background
In the clinical treatment of orthopedics, the condition such as comminuted fracture, fracture with multiple fracture pieces, complicated fracture often appear, and the prior art adopts the treatment method that the coaptation board and locking screw cooperate fixedly, or uses the treatment method that the kirschner wire cooperates with the cable to fix the ossicle piece to treat mostly. But the problem that the cable cannot be used for fixing under the condition that the fracture line is broken and the joint surface is crushed exists, and the treatment difficulty is greatly increased.
The existing treatment means adopts a mode of matching a locking bone fracture plate and a screw fixed phase for treatment, and the direction of a nail path is unique, so that a reasonable scheme can not be matched according to the fracture condition of a patient. There are mainly problems that, first, the small bone pieces cannot be fixed in a proper direction after anatomical reduction, and cannot be pressurized. Secondly, too many locking screws are implanted, so that the bone loss is caused, the foreign body sensation of a patient is enhanced, more pain is brought to the patient, the operation is complicated, and the operation time is increased. Thirdly, the kirschner wire is used alone to match with the cable, only partial reduction can be performed, and the holding force of the kirschner wire to the bone can not reach the required strength, so that the condition of intra-articular fracture can not be met.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a fracture fixation system, which can fix bone blocks nearby and has good fixation effect, no suture hole is needed to be arranged on the bone plate, and the strength of the bone plate is ensured; the external fixator is particularly suitable for fixing the condyle fracture of which the small fracture block is difficult to fix and appears in comminuted fracture.
To achieve the purpose, the utility model adopts the following technical proposal:
a fracture fixation system comprising a bone plate, a first locking member, and a suture;
the first locking member having a longitudinal axis and having a first end and an opposing second end along its longitudinal axis; the first locking member is provided with a cavity extending from the first end to the second end;
the first locking member is arranged in a first locking hole on the bone plate and penetrates out of the bone;
the suture is passed through the cavity of the first retaining member to secure the bone pieces.
Further, the first retaining member is a self-tapping retaining member.
Furthermore, the first locking hole is a universal threaded hole, and the first locking piece is a universal hollow screw.
Further, the first locking hole is disposed proximate to the bone block.
Further, the fracture fixation system further comprises a second locking hole, and the second locking hole comprises a one-way threaded hole.
Further, the fracture fixation system also comprises a second locking piece arranged in the second locking hole, and the second locking piece comprises a one-way locking screw.
Further, the suture comprises absorbable suture or non-absorbable suture.
Further, the absorbable suture comprises an absorbable polymer chemical synthesis suture, and the non-absorbable suture comprises a titanium alloy wire and/or a stainless steel wire.
Further, the bone plate comprises any one of or a combination of at least two of a condyle fracture bone plate of humerus, a condyle fracture bone plate of femur, a condyle fracture bone plate of tibia, a condyle fracture bone plate of radius or a fracture bone plate of diaphysis.
Furthermore, the humerus condyle fracture bone plate comprises a humerus lateral condyle fracture fixing bone plate, the humerus lateral condyle fracture fixing bone plate comprises a head part and a trunk part, the head part comprises a first fixing plate and a second fixing plate, a transition surface is arranged between the first fixing plate and the second fixing plate for connection, and the first fixing plate and the second fixing plate are connected in an L shape; first fixed plate and second fixed plate all are equipped with universal screw hole, and the cadre is equipped with one-way screw hole.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a fracture fixing system treats the fracture part through the cooperation between hone lamella, first retaining member, stylolite and optional second retaining member, and first retaining member wears out the bone, and the stylolite is worn out from first retaining member, can fix the bone piece nearby, and for the suture hole that uses the stylolite to pass the hone lamella edge and set up that adopts among the prior art and fix the bone piece, the stylolite is changed into face fixing (the cavity of first retaining member is fixed to the bone piece) by point fixing (the tie point in stylolite and suture hole) to the fixed of bone piece, and its fixed is stronger, and fixed effect is better;
the first locking piece and the first locking hole of the fracture fixing system provided by the utility model are in universal connection, so that multi-angle locking can be provided, the bone blocks can be conveniently fixed nearby, and a doctor can conveniently select the bone blocks to be fixed according to requirements, so that the reset of the whole fracture part is realized, and the problem that the bone blocks are not easy to fix in the prior art is solved;
the fracture fixing system provided by the utility model can fix any fracture block by binding the small bone blocks with the absorbable suture lines, and can reduce the pain of the patient during the disassembly process while providing temporary support;
the fracture fixation system provided by the utility model has the advantages that the suture thread penetrates out of the cavity of the first locking piece, so that the suture thread hole is not required to be arranged on the bone plate, and the strength of the fracture fixation system is higher compared with the bone plate provided with the suture thread hole;
the utility model provides a fracture fixing system is particularly useful for the fixed of the condyle fracture that the ossicle fracture piece that comminuted fracture appears is difficult to fix.
Drawings
Fig. 1 is a schematic structural view of a distal lateral condyle fracture fixation system for a humerus according to an embodiment of the present invention, the fixation system being fixed to a distal lateral condyle of the humerus;
fig. 2 is a schematic partial enlarged structural view of the distal lateral condyle of the humerus fracture fixation system according to an embodiment of the present invention, the system being fixed to the distal lateral condyle of the humerus;
fig. 3 is a schematic perspective view of a distal lateral condyle fracture fixation system of a humerus according to an embodiment of the present invention, which does not include sutures;
fig. 4 is a schematic view of another aspect of the distal lateral humeral condyle fracture fixation system according to an embodiment of the present invention without sutures;
FIG. 5 is a schematic view of a first securing member according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a first retaining member provided in accordance with an embodiment of the present invention;
wherein: 1-bone plate, 2-first locking member, 3-second locking member, 4-suture, 5-bone plate head, 6-bone plate stem, 7-first locking hole, 8-second locking hole, 9-first fixing plate, 10-second fixing plate.
Detailed Description
The technical solution of the present invention is further explained by the following specific examples.
The utility model provides a fracture fixing system, which comprises a bone plate 1, a first locking piece 2 and a suture 4;
the first locking member 2 has a longitudinal axis and has a first end and an opposite second end along its longitudinal axis; the first locking member 2 is provided with a cavity extending from a first end to a second end;
the first locking member 2 is disposed in a first locking hole 7 in the bone plate 1 and passes out of the bone;
The fracture fixing system treats the fracture part through the matching among the bone plate 1, the first locking piece 2, the suture 4 and the optional second locking piece 3, the first locking piece 2 penetrates out of the bone, the suture 4 penetrates out of the first locking piece 2, the bone block can be fixed nearby, compared with the prior art that the suture 4 penetrates through a suture hole arranged at the edge of the bone plate 1 to fix the bone block, the fixation of the suture 4 on the bone block is changed from point fixation (the connection point of the suture 4 and the suture hole) to surface fixation (the fixation of a cavity of the first locking piece 2 on the bone block), the fixation is stronger, and the fixing effect is better; and the fracture fixation system does not need to arrange suture holes on the bone plate 1 because the suture 4 penetrates out of the cavity of the first locking member 2, and has higher strength compared with the bone plate 1 provided with the suture holes.
The fixation principle of the fracture fixation system comprises: attaching the bone plate 1 to the surface of a fractured bone, drilling a bottom hole by matching a guide sleeve and a drill, and respectively implanting a first locking member 2 and a second locking member 3 into a first locking hole 7 and a second locking hole 8 of the bone plate 1; the first locking piece 2 penetrates out of the bone to fix most of the bone blocks; the suture 4 passes through the cavity of the first locking member 2 to bind and fix all the rest bone blocks or part of the bone blocks, thereby realizing the fixation of the whole fracture part.
Further, since the first securing member 2 needs to be threaded out of the bone, it is preferable that the first securing member 2 is a self-tapping securing member.
Further, in order to adapt to various complicated fractures and facilitate the selection of a proper nail feeding direction by a doctor in an operation, the first locking hole 7 is preferably a universal threaded hole, and the first locking member 2 is preferably a universal first locking member 2.
First retaining member 2 and first locking hole 7 of fracture fixing system are universal connection, can provide the multi-angle locking, are convenient for fix the bone piece nearby, and the doctor of being convenient for selects the bone piece that will fix according to the demand, realize the restoration of whole fracture portion, have overcome the difficult fixed problem of bone piece among the prior art.
Further, to facilitate the fixation of the bone pieces by the first locking member 2 and the suture 4, a first locking hole 7 is provided adjacent to the bone pieces.
Further, the fracture fixation system further comprises a second locking hole 8, and in order to reduce the difficulty of machining the bone plate 1, the second locking hole 8 comprises a one-way threaded hole. The person skilled in the art can also design the second locking hole 8 as a universal threaded hole according to the actual need.
Further, the fracture fixation system further comprises a second locking member 3 disposed in the second locking hole 8, the second locking member 3 comprising a one-way locking screw.
Further, the suture 4 may comprise absorbable suture or non-absorbable suture to accommodate various surgical needs.
Further, the absorbable suture comprises absorbable polymer chemical synthetic suture, and the non-absorbable suture comprises titanium alloy wire and/or stainless steel wire.
The absorbable suture is used for binding the small bone blocks, so that any fracture block can be fixed, temporary support is provided, and the pain of a patient can be reduced in the disassembly process.
The type of suture 4 securing the bone pieces may be selected as desired and may be any binding type known in the art.
Further, the bone plate 1 includes any one of or a combination of at least two of a condyle fracture plate of humerus, a condyle fracture plate of femur, a condyle fracture plate of tibia, a condyle fracture plate of radius, and a fracture plate of diaphysis. The bone plate 1 is not limited to the above-described bone plates, and the type and fixation position of the bone plate 1 can be selected by those skilled in the art according to the actual needs.
The fracture fixation system is not limited to the use for condylar fractures, and may be used when the fixation with the suture 4 is required, such as when comminuted fractures occur in the diaphysis.
Further, the condyle fracture bone plate for the humerus comprises a bone plate 1 for fixing the condyle fracture of the humerus, the condyle fracture fixation bone plate for the humerus comprises a head and a trunk, the head comprises a first fixing plate 9 and a second fixing plate 10, a transition surface is arranged between the first fixing plate 9 and the second fixing plate 10 for connection, and the first fixing plate 9 and the second fixing plate 10 are connected in an L shape; first fixed plate 9 and second fixed plate 10 all are equipped with universal screw hole, and the cadre is equipped with one-way screw hole.
The fracture of the external condyle at the distal end of the humerus belongs to a common fracture type, an external steel plate is required to be used for carrying out anatomical reduction and fixation on the fracture, comminuted fracture, multi-bone-block fracture and complex fracture often exist on the external condyle, and the fracture fixation system is particularly suitable for fixing the condyle fracture of which the small bone fracture block is difficult to fix and which occurs in the comminuted fracture.
Example one
A fracture fixation system comprises a bone plate 1, a first locking member 2, a second locking member 3 and a suture 4, wherein the bone plate 1 comprises a bone plate head 5 and a bone plate head 6, a plurality of first locking holes 7 are formed in the bone plate head 5, the first locking member 2 is arranged in the first locking holes 7 and penetrates out of the humeral shaft, a plurality of second locking holes 8 are formed in the bone plate head 6, the second locking member 3 is arranged in the second locking holes 8, and the suture 4 penetrates through a cavity inside the first locking member 2 to fix a bone block in a surrounding mode.
The bone plate head 5 comprises a first fixing plate 9 and a second fixing plate 10, wherein the first fixing plate 9 and the second fixing plate 10 are connected through a transition surface, and the first fixing plate 9 and the second fixing plate 10 are connected in an L shape.
The first fixing plate 9 and the second fixing plate 10 are each provided with a first locking hole 7.
The number of the first locking holes 7 provided on the first fixing plate 9 is not less than 3, such as 4, 5, or 6.
The number of the first locking holes 7 provided on the second fixing plate 10 is not less than 2, such as 3, 4, 5, or 6.
The bone plate head 6 is provided with no less than 3, such as 4, 5, or 6 second locking holes 8.
The first locking member 2 is a universal hollow locking screw.
The suture 4 is absorbable suture 4.
The working principle of the technical scheme is as follows, as shown in fig. 1-2, a bone plate 1 is attached to the bone surface of the external condyle of the distal end of the humerus, a second locking part 3 is arranged in a second locking hole 8 on a head 6 of the bone plate for fixing, a guide sleeve and a drill bit are matched for drilling a bottom hole, a first locking part 2 is implanted into a first locking hole 7 of the head 5 of the bone plate, and the first locking part 2 reaches one end of a broken bone from one end of the broken bone to fix a part of large fracture block. After the large fracture block is fixed by the first locking part 2, the suture line 4 is fixed in a line binding mode by passing through the inside of the first locking part 2 and surrounding the small fracture block, and the whole ankle is reset.
Preferably, as shown in fig. 3-4, in order to provide multi-angle locking, the bone plate head 5 comprises a first fixing plate 9 and a second fixing plate 10, the first fixing plate 9 and the second fixing plate 10 are connected by a transition surface, and the first fixing plate 9 and the second fixing plate 10 are connected in an L shape, so that the fixing angle and the fixing area are increased. Further, the first fixing plate 9 and the second fixing plate 10 are each provided with a first locking hole 7. The first locking hole 7 can provide multi-angle locking, and a doctor can conveniently select a proper angle to fix the bone block in the process. In order to ensure the fixed strength and angle, the number of the first locking holes 7 arranged on the first fixing plate 9 is not less than 3. The number of the first locking holes 7 provided on the second fixing plate 10 is not less than 2.
Preferably, as shown in fig. 5-6, to ensure that a multi-angle locking is provided, the first locking member 2 is a universal cannulated locking screw.
Preferably, in order to reduce the pain of the patient and the workload of medical staff when the bone plate 1 is disassembled and shorten the operation time, the suture 4 is an absorbable suture and does not need to be disassembled.
In conclusion, the fracture fixation system treats the fracture part through the cooperation among the bone plate 1, the first locking part 2, the suture 4 and the optional second locking part 3, the first locking part 2 penetrates out of the bone, and the suture 4 penetrates out of the first locking part 2, so that the bone block can be fixed nearby, and compared with the prior art that the suture 4 penetrates through a suture hole arranged at the edge of the bone plate 1 to fix the bone block, the fixation of the suture 4 on the bone block is changed from point fixation (the connection point of the suture 4 and the suture hole) to surface fixation (the fixation of a cavity of the first locking part 2 on the bone block), the fixation is stronger, and the fixation effect is better;
the first locking piece 2 of the fracture fixing system is in universal connection with the first locking hole 7, so that multi-angle locking can be provided, the bone blocks can be conveniently fixed nearby, a doctor can conveniently select the bone blocks to be fixed according to requirements, the whole fracture part can be reset, and the problem that the bone blocks are not easy to fix in the prior art is solved;
the fracture fixing system can fix any fracture block by binding the small bone blocks by using the absorbable suture line, provides temporary support and can reduce the pain of a patient in the disassembly process;
the fracture fixation system does not need to arrange suture holes on the bone plate 1 because the suture 4 penetrates out of the cavity of the first locking member 2, and has higher strength compared with the bone plate 1 provided with the suture holes;
the fracture fixation system is particularly suitable for the fixation of the condylar fracture of which the small fracture block is difficult to fix in the presence of comminuted fracture. 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 degrees 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. A fracture fixation system comprising a bone plate, a first locking member, and a suture;
the first locking member having a longitudinal axis and having a first end and an opposing second end along its longitudinal axis; the first locking member is provided with a cavity extending from the first end to the second end;
the first locking member is arranged in a first locking hole on the bone plate and penetrates out of the bone;
the suture is passed through the cavity of the first retaining member to secure the bone pieces.
2. The fracture fixation system of claim 1, wherein the first locking member is a self-tapping locking member.
3. The fracture fixation system of claim 1, wherein the first locking hole is a gimbaled threaded hole and the first locking member is a gimbaled cannulated screw.
4. The fracture fixation system of claim 1, wherein the first locking hole is disposed adjacent to a bone block.
5. The fracture fixation system of claim 1, further comprising a second locking hole comprising a one-way threaded hole.
6. The fracture fixation system of claim 5, further comprising a second retaining member disposed in the second locking hole, the second retaining member including a one-way locking screw.
7. The fracture fixation system of claim 1, wherein the suture comprises an absorbable suture or a non-absorbable suture.
8. The bone fracture fixation system of claim 7, wherein the absorbable suture comprises an absorbable polymer chemosynthetic suture and the non-absorbable suture comprises a titanium alloy wire and/or a stainless steel wire.
9. The fracture fixation system of claim 1, wherein the bone plate comprises any one of or a combination of at least two of a condyle of a humerus, a condyle of a femur, a condyle of a tibia, a condyle of a radius, or a fracture of a diaphysis.
10. The fracture fixation system of claim 9, wherein the condyle fracture bone plate comprises a lateral condyle fracture fixation bone plate, the lateral condyle fracture fixation bone plate comprises a head portion and a stem portion, the head portion comprises a first fixing plate and a second fixing plate, the first fixing plate and the second fixing plate are connected through a transition surface, and the first fixing plate and the second fixing plate are connected in an L shape; first fixed plate and second fixed plate all are equipped with universal screw hole, and the cadre is equipped with one-way screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022617611.4U CN214318118U (en) | 2020-11-13 | 2020-11-13 | A fracture fixation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022617611.4U CN214318118U (en) | 2020-11-13 | 2020-11-13 | A fracture fixation system |
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| Publication Number | Publication Date |
|---|---|
| CN214318118U true CN214318118U (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022617611.4U Active CN214318118U (en) | 2020-11-13 | 2020-11-13 | A fracture fixation system |
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| Country | Link |
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| CN (1) | CN214318118U (en) |
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2020
- 2020-11-13 CN CN202022617611.4U patent/CN214318118U/en active Active
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