CN210354870U - Low-incisura locking type external tibial fixing frame - Google Patents
Low-incisura locking type external tibial fixing frame Download PDFInfo
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- CN210354870U CN210354870U CN201920679105.2U CN201920679105U CN210354870U CN 210354870 U CN210354870 U CN 210354870U CN 201920679105 U CN201920679105 U CN 201920679105U CN 210354870 U CN210354870 U CN 210354870U
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Abstract
The utility model discloses a low incisura locking formula shin bone external fixation frame, including first fixed plate, second fixed plate and regulation structure. A plurality of universal locking holes are respectively formed in the first fixing plate and the second fixing plate, so that external nails can be conveniently placed outside the body; an adjusting structure and an anti-deflection structure are arranged between the first fixing plate and the second fixing plate, the anti-deflection structure is used for guiding and preventing deflection when the relative distance between the first fixing plate and the second fixing plate is adjusted, and the adjusting structure enables the relative distance between the first fixing plate and the second fixing plate to be adjustable, so that the fracture end has certain functions of extension and pressurization and can promote bone healing; the design of multiple rows of holes at the position close to the joint on the fixing plate can form multi-plane fixation.
Description
Technical Field
The utility model relates to a low incisura locking formula shin bone external fixation frame.
Background
Tibia fracture is a common orthopedic wound, and the treatment by steel plate internal fixation or external fixation is also the most common clinical operation. In combination with literature reports and clinical experience, the following disadvantages exist: the incision reduction internal fixation is adopted, and the internal fixation is taken out mostly by secondary operations. For some complicated and open fractures, an external fixing frame is mostly adopted for fixing, the traditional external fixing frame is mostly of a nail-rod-clamp composite structure, the appearance incisal range is high, the carrying is inconvenient, the fixation is not firm, so the traditional external fixing frame is mostly used as temporary fixation, patients often need to perform the operation again to perform the steel plate internal fixation, and the pain and the economic burden of the patients are aggravated. In addition, when the traditional fixing frame is applied to fracture of a near-joint part, the fixing needs to be performed across joints, and iatrogenic joint stiffness is very common after operation. In recent years, a plurality of documents have been reported for treating fractures in superficial areas such as tibial shaft, locking and the like by externally arranging a locking steel plate, satisfactory clinical effects are obtained, and the locking steel plate has the advantages of low incisional marks, reliable fixation, no need of secondary operation removal and the like, and can well overcome the defects.
The soft tissue of the skin on the front and outer sides of the tibia of the shank is thin, the locking steel plate is externally arranged to treat open fracture of the tibia, short nail-plate spacing can be achieved, good biomechanical stability is achieved, and the method is an ideal treatment method. Clinically, external fixation is carried out by using a femur far end steel plate, a tibia near end steel plate or a distal end steel plate, but the external fixation of the locking steel plates in vivo has the defects of unmatched body surface, too thin, weak mechanical strength after external fixation, single function and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a tibia external fixator with low incisional marks, locking type or pressurization or limited extension.
The utility model provides a first technical scheme that its technical problem adopted is:
the utility model provides a low incisura locking formula shin bone external fixation frame which characterized in that: the adjusting structure comprises a first fixing plate, a second fixing plate and an adjusting structure, wherein universal locking holes are respectively formed in the first fixing plate and the second fixing plate, studs are respectively arranged on one end face, opposite to the first fixing plate and the second fixing plate, of the first fixing plate, internal threaded holes are respectively formed in two ends of the adjusting structure, the studs of the first fixing plate and the second fixing plate can be respectively connected with the internal threaded holes in the two ends of the adjusting structure in an adaptive mode, and when the adjusting structure rotates in different directions, the first fixing plate and the second fixing plate are close to or far away from each other; still include anti-deflection structure, anti-deflection structure sets up between first fixed plate and the second fixed plate.
In another preferred embodiment, the first fixing plate is a long plate, the universal locking holes on the first fixing plate are arranged in a row along the length direction, the second fixing plate is a plate with gradually increased size, and the universal locking holes on the second fixing plate are distributed on the second fixing plate in multiple rows.
In another preferred embodiment, the first fixing plate is in the shape of a long plate, and the universal locking holes on the first fixing plate are arranged in a row along the length direction; the second fixed plate is a long plate with the tail end gradually enlarged and bent, the front end of the second fixed plate is provided with a row of universal locking holes, and the tail end of the second fixed plate is provided with a plurality of rows of universal locking holes.
In another preferred embodiment, at least one adjusting insertion hole is arranged in the middle of the adjusting structure.
In another preferred embodiment, the anti-deflection structure includes two connecting rods and two jackscrews, two sides of the first fixing plate are respectively provided with a through hole for inserting the connecting rod, one end of the connecting rod is provided with a pin hole, two sides of the second fixing plate are respectively provided with a blind hole for inserting the connecting rod, one end of the connecting rod is fixed on the second fixing plate through a pin, the first fixing plate is further provided with a jackscrew hole, the jackscrew hole is connected with the through hole, and the jackscrew can be screwed into the jackscrew hole to push and fix the connecting rod in the through hole.
In another preferred embodiment, the jackscrew is provided with a hexagon socket.
The utility model provides a second technical scheme that its technical problem adopted is:
the utility model provides a low incisura locking formula shin bone external fixation frame which characterized in that: the adjusting structure is rotated along different directions, and the first fixing plate and the second fixing plate are close to or far away from each other; still include anti-deflection structure, anti-deflection structure sets up between first fixed plate and the second fixed plate.
The utility model provides a third kind technical scheme that its technical problem adopted is:
the utility model provides a low incisura locking formula shin bone external fixation frame which characterized in that: the adjusting structure comprises a first fixing plate, a second fixing plate and an adjusting structure, wherein universal locking holes are respectively formed in the first fixing plate and the second fixing plate, a stud is arranged on one end face, opposite to the second fixing plate, of the first fixing plate, an internal threaded hole is formed in one end of the adjusting structure, the other end of the adjusting structure is rotatably connected to one end face, opposite to the first fixing plate, of the second fixing plate, the stud of the first fixing plate can be connected with the internal threaded hole of the adjusting structure in an adaptive mode, and when the adjusting structure rotates in different directions, the first fixing plate and the second fixing plate are close to or far away from each other; still include anti-deflection structure, anti-deflection structure sets up between first fixed plate and the second fixed plate.
The utility model has the advantages that:
1. a plurality of universal locking holes are respectively formed in the first fixing plate and the second fixing plate, so that external nails can be conveniently placed outside the body; an adjusting structure and an anti-deflection structure are arranged between the first fixing plate and the second fixing plate, the anti-deflection structure is used for guiding and preventing deflection when the relative distance between the first fixing plate and the second fixing plate is adjusted, and the adjusting structure enables the relative distance between the first fixing plate and the second fixing plate to be adjustable, so that the fracture end has certain functions of extension and pressurization and can promote bone healing; the design of multiple rows of holes at the position close to the joint on the fixing plate can form multi-plane fixation.
2. The fixing plate is suitable for local appearance anatomy, corresponding accessories are used for combination at different fracture positions, and combination installation and application can be carried out according to different fracture planes.
3. Prevent that deflection structure is last to have jackscrew and pin locking, improve the structural stability between first fixed plate and the second fixed plate.
4. The middle of adjusting the structure is equipped with at least one and adjusts the jack, the rotation regulation of being convenient for.
5. The jackscrew is provided with an inner hexagonal hole, so that the jackscrew can be conveniently disassembled and assembled.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the present invention is not limited to the embodiment of the low-incisura locking type external tibial mount.
Drawings
Fig. 1 is an assembly structure diagram of a preferred embodiment of the present invention.
Fig. 2 is a front structural view of the proximal tibia anterolateral fixation plate according to a preferred embodiment of the present invention.
Fig. 3 is a side view of the proximal tibia anterolateral fixation plate according to a preferred embodiment of the present invention.
Fig. 4 is a front view of the tibia distal end anterior-medial fixation plate according to a preferred embodiment of the present invention.
Fig. 5 is a side view of the distal tibia anterolateral fixation plate according to a preferred embodiment of the present invention.
Fig. 6 is a front structural view of an adjusting structure according to a preferred embodiment of the present invention.
Fig. 7 is a front sectional view of an adjustment structure according to a preferred embodiment of the present invention.
Fig. 8 is a side sectional view of an adjustment mechanism according to a preferred embodiment of the present invention.
Fig. 9 is a front structural view of a jack screw according to a preferred embodiment of the present invention.
Fig. 10 is a side cross-sectional view of a jackscrew in accordance with a preferred embodiment of the present invention.
Detailed Description
In an embodiment, referring to fig. 1, the present invention provides a low-incisura locking type external tibial fixation frame, which comprises a distal front inner fixing plate 1, a proximal front inner fixing plate 2, two connecting rods 3 and an adjusting member 4.
Referring to fig. 2 and 3, the distal front inner fixing plate 1 includes a distal fixing portion 11, a first locking portion and a first adjusting portion 15, the distal fixing portion 11 is in a long plate shape, a plurality of universal locking holes 12 are distributed on the distal fixing portion, the first locking portion includes two connecting rod sliding holes 13 and two jackscrew screw holes 14 respectively communicated with the connecting rod sliding holes 13, and the first adjusting portion 15 is a stud. Referring to fig. 4 and 5, the proximal front inner fixing plate 2 includes a proximal fixing portion 21, a second locking portion and a second adjusting portion 24, the proximal fixing portion 21 is a long plate with a gradually enlarged and bent end, a row of universal locking holes 22 is formed at the front end of the proximal fixing portion, a plurality of rows of universal locking holes 22 are formed at the bent end, the second locking portion includes two connecting rod insertion holes 23 and pin holes 25 respectively communicated with the two connecting rod insertion holes 23, and the second adjusting portion 24 is a stud. Referring to fig. 6 to 8, the adjusting member 4 is provided at both ends thereof with female screw holes 41 respectively connected to the stud of the first adjusting portion 15 and the stud of the second adjusting portion 24, and in conjunction with fig. 1, the two connecting rods 3 are respectively located at both sides of the adjusting member 4, and the adjusting member 4 is provided at the middle thereof with a plurality of adjusting insertion holes 42 for inserting a rotary tool for rotary adjustment.
The installation and adjustment process of this embodiment is specifically as follows: the internal thread hole on the right side of the adjusting piece 4 is screwed to the stud 24 on the left side of the adjusting piece 2 of the inner side fixing plate before the near end, two connecting rods 3 are inserted into the connecting rod insertion holes 23, the pin 7 penetrates through the pin hole 25 to be fixed onto the connecting rod 3, the stud 15 on the right side of the inner side fixing plate 1 before the far end is screwed into the internal thread hole on the left side of the adjusting piece 4, the two connecting rods 3 penetrate through the two connecting rod sliding holes 13 of the inner side fixing plate 1 before the far end, a rotating tool is used for inserting the adjusting insertion holes 42 to rotate the adjusting piece 4, the inner side fixing plate 2 before the near end and the inner side fixing plate 1 before the far end are made to be close to or far away from each other.
It should be understood that the positions of the internal threaded holes and the studs can be interchanged, and the adjusting member 4 can also be rotatably locked on one of the fixing plates, as long as the relative distance between the distal front inner fixing plate and the proximal front inner fixing plate can be changed.
The above-mentioned embodiment is only used to further explain the utility model discloses a low incisura locking formula shin bone external fixation frame, nevertheless the utility model discloses do not confine the embodiment to, all be according to the utility model discloses a technical entity is to any simple modification, the equivalent change and the modification of above embodiment do, all fall into the technical scheme's of the utility model protection within range.
Claims (10)
1. The utility model provides a low incisura locking formula shin bone external fixation frame which characterized in that: the adjusting structure comprises a first fixing plate, a second fixing plate and an adjusting structure, wherein universal locking holes are respectively formed in the first fixing plate and the second fixing plate, studs are respectively arranged on one end face, opposite to the first fixing plate and the second fixing plate, of the first fixing plate, internal threaded holes are respectively formed in two ends of the adjusting structure, the studs of the first fixing plate and the second fixing plate can be respectively connected with the internal threaded holes in the two ends of the adjusting structure in an adaptive mode, and when the adjusting structure rotates in different directions, the first fixing plate and the second fixing plate are close to or far away from each other; still include anti-deflection structure, anti-deflection structure sets up between first fixed plate and the second fixed plate.
2. The low-notch locking tibial external fixation frame of claim 1, wherein: the first fixing plate is in a long plate shape, the universal locking holes in the first fixing plate are arranged in a row along the length direction, the second fixing plate is in a plate shape with gradually increased size, and the universal locking holes in the second fixing plate are distributed on the second fixing plate in a multi-row mode.
3. The low-notch locking tibial external fixation frame of claim 1, wherein: the first fixing plate is in a long plate shape, and the universal lock holes on the first fixing plate are arranged in a row along the length direction; the second fixed plate is a long plate with the tail end gradually enlarged and bent, the front end of the second fixed plate is provided with a row of universal locking holes, and the tail end of the second fixed plate is provided with a plurality of rows of universal locking holes.
4. The low-profile locking tibial external fixation device of claim 1, 2 or 3, wherein: the middle of the adjusting structure is provided with at least one adjusting jack.
5. The low-profile locking tibial external fixation device of claim 1, 2 or 3, wherein: the anti-deflection structure comprises two connecting rods and two jackscrews, wherein the two sides of the first fixing plate are respectively provided with a through hole for inserting the connecting rods, one end of each connecting rod is provided with a pin hole, the two sides of the second fixing plate are respectively provided with a blind hole for inserting the connecting rods, one end of each connecting rod is fixed on the second fixing plate through pins, the first fixing plate is further provided with a jackscrew hole, the jackscrew holes are connected with the through holes, and the jackscrews can be screwed into the jackscrews and are internally opposite to the connecting rods in the through holes to push and fix the connecting rods.
6. The low-notch locking tibial external fixation frame of claim 5, wherein: and the jackscrew is provided with an inner hexagonal hole.
7. The utility model provides a low incisura locking formula shin bone external fixation frame which characterized in that: the adjusting structure is rotated along different directions, and the first fixing plate and the second fixing plate are close to or far away from each other; still include anti-deflection structure, anti-deflection structure sets up between first fixed plate and the second fixed plate.
8. The low-notch locking tibial external fixation frame of claim 7, wherein: the anti-deflection structure comprises two connecting rods and two jackscrews, wherein the two sides of the first fixing plate are respectively provided with a through hole for inserting the connecting rods, one end of each connecting rod is provided with a pin hole, the two sides of the second fixing plate are respectively provided with a blind hole for inserting the connecting rods, one end of each connecting rod is fixed on the second fixing plate through pins, the first fixing plate is further provided with a jackscrew hole, the jackscrew holes are connected with the through holes, and the jackscrews can be screwed into the jackscrews and are internally opposite to the connecting rods in the through holes to push and fix the connecting rods.
9. The utility model provides a low incisura locking formula shin bone external fixation frame which characterized in that: the adjusting structure comprises a first fixing plate, a second fixing plate and an adjusting structure, wherein universal locking holes are respectively formed in the first fixing plate and the second fixing plate, a stud is arranged on one end face, opposite to the second fixing plate, of the first fixing plate, an internal threaded hole is formed in one end of the adjusting structure, the other end of the adjusting structure is rotatably connected to one end face, opposite to the first fixing plate, of the second fixing plate, the stud of the first fixing plate can be connected with the internal threaded hole of the adjusting structure in an adaptive mode, and when the adjusting structure rotates in different directions, the first fixing plate and the second fixing plate are close to or far away from each other; still include anti-deflection structure, anti-deflection structure sets up between first fixed plate and the second fixed plate.
10. The low-notch locking tibial external fixation system of claim 9, wherein: the anti-deflection structure comprises two connecting rods and two jackscrews, wherein the two sides of the first fixing plate are respectively provided with a through hole for inserting the connecting rods, one end of each connecting rod is provided with a pin hole, the two sides of the second fixing plate are respectively provided with a blind hole for inserting the connecting rods, one end of each connecting rod is fixed on the second fixing plate through pins, the first fixing plate is further provided with a jackscrew hole, the jackscrew holes are connected with the through holes, and the jackscrews can be screwed into the jackscrews and are internally opposite to the connecting rods in the through holes to push and fix the connecting rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920679105.2U CN210354870U (en) | 2019-05-13 | 2019-05-13 | Low-incisura locking type external tibial fixing frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920679105.2U CN210354870U (en) | 2019-05-13 | 2019-05-13 | Low-incisura locking type external tibial fixing frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210354870U true CN210354870U (en) | 2020-04-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920679105.2U Expired - Fee Related CN210354870U (en) | 2019-05-13 | 2019-05-13 | Low-incisura locking type external tibial fixing frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210354870U (en) |
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2019
- 2019-05-13 CN CN201920679105.2U patent/CN210354870U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 Termination date: 20210513 |