CN201822906U - Internal fixator for treating distal fibula fracture - Google Patents
Internal fixator for treating distal fibula fracture Download PDFInfo
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- CN201822906U CN201822906U CN2010205678723U CN201020567872U CN201822906U CN 201822906 U CN201822906 U CN 201822906U CN 2010205678723 U CN2010205678723 U CN 2010205678723U CN 201020567872 U CN201020567872 U CN 201020567872U CN 201822906 U CN201822906 U CN 201822906U
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- inner fixer
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Abstract
The utility model provides an internal fixator for treating distal fibula fracture, which mainly consists of an end part which is fitted with an ankle joint, and a main body part which is fitted with a fibula, and mounting holes, wherein the mounting holes which are used for fixedly arranging an internal fixator body, the ankle joint and the fibula together and are matched with fastening parts are designed in the end part and the main body part, more than one lug are designed on the edge of the end fitted with the ankle joint, the mounting hole which is used for fixedly arranging the internal fixator body and the ankle joint together and is matched with the fastening part is designed in the lug, grooves for forming a lug necking are designed at two sides of the connecting position of the lug and the end, and the mounting hole in the lug is arranged outside of the edge of a main profile of the end. The internal fixator has good there-dimensional fixing effect on fracture such as distal fibula fracture, particularly Weber A and B type fracture of lateral malleolus, traumas in operation are reduced, and the requirements of patients for early-stage functional training are met.
Description
Technical field
This utility model relates to a kind of fractures additional device, more particularly, relates to a kind of inner fixer that is used for the treatment of the distal fibular fracture.
Background technology
The joining position of distal fibular and ankle joint is the maximum position of human body heavy burden.Along with the progress of society and the variation of mankind's activity mode, the distal fibular fracture that is caused by the high-energy damage increases year by year.It is generally acknowledged that there are a place above fracture or ligament injury in the joining position of distal fibular and ankle joint, treatment promptly should undergo surgery, and the treatment that undergos surgery at first will be fixed the distal fibular reduction of the fracture, this not only requires to reset accurately, the more important thing is and to carry out firm fixing to the distal fibular that resets, keeping the requirement that resets and satisfy early functional exercise, thereby reduce invalidly, promote functional rehabilitation.
In the distal fibular fractures, the medical personnel takes percutaneous to insert immobilising device usually, the distal fibular of fracture is resetted be fixed together.The distal fibular of fracture is resetted and closely is fixed together, the periosteum growth that can accelerate bone damage place widely with decrease the healing of folding place.The internal fixation device that is used for the distal fibular fractures, prior art is existing multiple, but all has some defectives to some extent.Kirschner wire in the marrow, its deficiency be and can't pressurize at fracture site, especially sclerite more for a long time, its poor stability can not carry out early exercise, and it is more outstanding to keep the deficiencies such as valgus angle of distal fibular.The steel plate screw system of prior art, because its steel plate is 1/3 piped general steel plate, can not match with ankle joint and fibula well, constant intensity is relatively poor, be difficult to satisfy the requirement of early exercise, when adopting DCP, L-DCP fixedly, lack, the anxiety of the cutaneous necrosis of causing is arranged because local soft tissue covers.And the steel plate screw system of prior art, because the screw mounting hole that matches with screw is positioned on the part main body front that steel plate and ankle joint match, with screw with steel plate and ankle joint fixedly the time, screw penetrates two-layer cortical bone and is easy to damage the ankle joint face, therefore when handling the distal fibular fracture, especially during comminuted fracture, make screw penetrate two-layer cortical bone and do not damage the ankle joint face again, very difficult in operation, if make it only penetrate one deck cortical bone, firm fixing can't be reached again, therefore also just early functional exercise can't be really realized.Early functional exercise is very important, can not only promote the recovery of ankle joint function, the more important thing is the generation that can reduce or avoid complication such as ankle joint is stiff effectively.The therapeutic effect of the distal fibular fractures inner fixer of prior art can't be satisfactory.
The patent No. is 2004201054015 the inner fixer that is used for the ankle joint fracture treatment, the inner fixer that can be used as the distal fibular fractures, and can overcome the defective that existing immobilising device exists, but this inner fixer still comes with some shortcomings, moulding as the termination lug inconvenience pre-bending that matches with ankle joint, cause the termination and the ankle joint dissect physiology structure goodness of fit not enough; The contact area of holder and bone is big, cause operation technique to its depend on ligament, joint capsule to peel off wound big, be unfavorable for effectively protecting dislocation of ankle joint.
The utility model content
The purpose of this utility model provides a kind of inner fixer that is used for the treatment of distal fibular fracture of new structure form, the deficiency that exists with the inner fixer that overcomes prior art.
The inner fixer that is used for the treatment of the distal fibular fracture that this utility model provides, the inner fixer body is formed by the end portion that matches with ankle joint with the main part that fibula matches, be overall structure, design has and be used for inner fixer body and ankle joint on the body, fibula is installed with the installing hole that securing member together matches, the termination edge designs that matches with ankle joint has and is no less than one lug, the design of the both sides of connecting place has the groove that forms necking down between lug and the termination, to make things convenient for lug pre-bending moulding, design has and is used for that inner fixer body and ankle joint are installed with the installing hole that securing member together matches on the lug, and the mounting hole site on the lug is outside main outline edge, termination.
This utility model also can further be taked following technical measures on the such scheme basis:
Lug on the inner fixer body end head edge is preferably designed as 2 to 4, and on each lug all design an installing hole arranged.
Preferably between 4～6mm, lose to reduce the external malleolus bone mass in installing hole aperture on the lug; Installing hole on the lug is preferentially selected screwed hole for use.
The groove of junction preferably adopts arc groove between lug and the termination.
Inner fixer proximal (upper end) design has temporary fixed hole, so as inner fixer and ankle joint and with fibula formally fixing before, with Kirschner wire inner fixer is carried out temporarily fixing, so that doctor's operation technique.
The preferential employing of installing hole on the inner fixer main body can adjust the securing member fixed position, two ends are semicircular strip hole, to realize to the sclerite pressurization or to the steel plate fine setting as inner fixer; Installing hole on the inner fixer termination preferentially adopts circular port.
The design of the both sides of junction has the semi-circular recesses that forms necking down between inner fixer main body and the termination, so that termination pre-bending is moulding, coincide better with ankle joint; Preferably 2 semi-circular recesses have all been designed on every limit, the both sides of junction between inner fixer main body and the termination, and the groove on both sides is corresponding, and to form two necking downs, the termination pre-bending of being more convenient for is moulding, coincide better with ankle joint.
Adopt this utility model treatment distal fibular fracture, especially be fit to external malleolus WeberA, Type B fracture, surgical doctor will appear fracture site earlier and be resetted, but percutaneous is inserted inner fixer (in conjunction with the MIPPO technology) then.The concrete fixed form of inner fixer and distal fibular, with the securing member that cooperates with installing hole on the inner fixer termination, the inner fixer termination is fixing with distal fibular, can be in the art according to the classification of fracture needs, lug pre-bending on the inner fixer body termination is moulding, or with some removal that fractures, so that inner fixer and distal fibular realization are easy, effectively fixing.
Need to prove, the installing hole that matches with securing member on the inner fixer when inner fixer specifically uses, might not all be used in each hole, be to select corresponding installing hole to use in the time of more, and some installing hole can spaciously be put according to the concrete condition of distal fibular classification of fracture.
The specific embodiment of the present utility model is generally: earlier little otch appears fracture and is resetted that (Fracture Simple can not cut, closed reduction), the moulding inner fixer end portion of pre-bending according to actual needs, external malleolus position otch, with inner fixer through subcutaneous, periosteum is inserted (MIPPO technology) outward, adjust the inner fixer position, the upper end little otch temporary fixed inner fixer of Kirschner wire, after the reduction of the fracture and inner fixer placement location are all satisfied, fix by installing hole and ankle joint on the lug of inner fixer body termination with 2-3 piece of screw earlier, fix by installing hole on the inner fixer main body and fibula with 1-2 piece of screw then, select suitable screw number to be fixed together according to the classification of fracture practical situation at last by inner fixer installing hole and fibula.
This utility model and first generation external malleolus steel plate relatively have following very outstanding technique effect and advantage:
1, the structural improvement of inner fixer makes it more meet distal fibular biotomy characteristics, and the more convenient lug pre-bending of the shape and structure of termination lug is moulding, better sticks with external malleolus; Reduce the aperture of termination lug installing hole, can lose simultaneously, when screwing in screw, can avoid bumping between the mounting screw or stopping with different directions at minimizing external malleolus bone mass.
2, the ledge arrangement of inner fixer body termination design; taken into full account external malleolus expand the part and ligament depend on; effective fixed while can satisfied; reduce the contact area of inner fixer and bone; reduce operation technique it is depended on peeling off of ligament, joint capsule, can more effective protection dislocation of ankle joint.
3, adopt the MIPPO technology, Wicresoft's operation reduces the operation technique wound, and minimizing periosteum etc. is too much peeled off the destruction to the flesh and blood confession, is beneficial to growth of spur, promotes union of fracture.
4, but the lug pre-bending of inner fixer body end is moulding, behind the mounting screw, can carry out three-dimensional, spatial effectively fixing to external malleolus, fixed stability after the external fracture of ankle of increase steel plate (inner fixer body) resets provides reliable guarantee for patient carries out early functional exercise.
5, inner fixer near-end micropore, temporary fixed after inner fixer is placed in the art with Kirschner wire, be beneficial to stablize in inner fixer and the art and locate temporarily.
6, this inner fixer is fit to distal fibular fracture internal fixation, is fit to external malleolus Weber A, Type B fracture internal fixation especially.
The inner fixer that this utility model provides; its outstanding technique effect and advantage is summarized; can play fixation after the good reduction of the fracture to distal fibular fracture; especially to external malleolus WeberA, Type B fracture; can bring into play after the reduction of the fracture three-dimensional, three-dimensional is effectively fixing; reduce operation wound, the protection dislocation of ankle joint satisfies patient and realizes early functional exercise.
Description of drawings
Accompanying drawing 1 is the Facad structure sketch map of an embodiment of this utility model.
Accompanying drawing 2 is side surface direction structural representations of accompanying drawing 1.
Accompanying drawing 3 is Facad structure sketch maps of another embodiment of this utility model.
The object of each the shown by reference numeral sign in the above accompanying drawing is respectively: 1-inner fixer temporary construction opening; 2-inner fixer body; 3-inner fixer body main part; 4-strip installing hole; 5-circle installing hole; 6-inner fixer body end head part; The 7-lug; The 8-threaded mounting hole; 9-forms the groove of lug necking down; 10,11-forms the groove of termination necking down.
The specific embodiment
Embodiment 1
The inner fixer that is used for the treatment of the distal fibular fracture that present embodiment provides, its structure is shown in accompanying drawing 1,2, inner fixer body 2 is formed by the end portion (far-end) 6 that matches with ankle joint with the main part (near-end) 3 that fibula matches, integral body is processed by the compatible titanium alloy metal sheet of Human Physiology, the inner fixer termination upwarps certain angle with respect to main body, and the size of angle is as the criterion to coincide with ankle joint.Two semi-circular recesses 10,11 have all been designed on every limit, the both sides of junction between main body and the termination, form two necking downs between termination and main body, and it is moulding to be convenient to termination pre-bending, coincide better with ankle joint.The termination edge designs has two lugs 7, the design of the both sides of connecting place has the arc groove 9 that forms the lug necking down between lug and the termination, to make things convenient for lug pre-bending moulding, design has and is used for that inner fixer body and ankle joint are installed with the threaded mounting hole 8 that securing member together matches on the lug, the diameter of threaded mounting hole is 5mm, and the threaded mounting hole on the lug is positioned at outside the main outline edge, termination.Design has 5,2 installing holes of 2 installing holes to arrange that along inner fixer body main direction the diameter of this installing hole is bigger than the diameter of the installing hole on the lug, is 10mm on the termination.Inner fixer main body upper end (near-end) design has temporary fixed hole 1, inner fixer and ankle joint and with fibula formally fixing before, adopt Kirschner wire to use temporary fixed location in the Rhizoma Atractylodis Macrocephalae, so that doctor's operation technique.Be used for installing hole that inner fixer main body and fibula are fixed together on the inner fixer main body, for can adjust the securing member fixed position, two ends are semicircular strip hole 4, have 6, be provided with along the body main direction of inner fixer.
Embodiment 2
The inner fixer that is used for the treatment of the distal fibular fracture that present embodiment provides, its structure as shown in Figure 3, it is basic identical with the structure of inner fixer shown in the embodiment 1, different places be that inner fixer termination edge designs has 3 lugs 7,3 lugs are distributed in 120 ° of scopes, the angle of adjacent two lugs is 60 °, and the diameter of the threaded mounting hole 8 on the lug is 4mm.
Claims (10)
1. one kind is used for the treatment of the inner fixer that distal fibular is fractured, inner fixer body (2) mainly is made up of end portion (6) that matches with ankle joint and the main part (3) that matches with fibula, design has and be used for inner fixer body and ankle joint on the body, fibula is installed with the installing hole that securing member together matches, design is no less than one lug (7) on the edge, termination that matches with ankle joint, design has and is used for that inner fixer body and ankle joint are installed with the installing hole (8) that securing member together matches on the lug, it is characterized in that, the design of the both sides of connecting place has the groove (9) that forms the lug necking down between lug and the termination, and the mounting hole site on the lug is outside main outline edge, termination.
2. the inner fixer that is used for the treatment of the distal fibular fracture as claimed in claim 1 is characterized in that design has 2 to 4 lugs on the inner fixer body end head edge, and all designing on each lug has an installing hole.
3. the inner fixer that is used for the treatment of the distal fibular fracture as claimed in claim 2 is characterized in that the installing hole aperture on the lug is 4-6mm.
4. the inner fixer that is used for the treatment of the distal fibular fracture as claimed in claim 3 is characterized in that the installing hole on the lug is a screwed hole.
5. as the described inner fixer that is used for the treatment of the distal fibular fracture of one of claim 1 to 4, the groove that it is characterized in that junction between lug and termination is an arc groove.
6. the inner fixer that is used for the treatment of the distal fibular fracture as claimed in claim 5 is characterized in that the design of inner fixer proximal has temporary fixed hole (1).
7. the inner fixer that is used for the treatment of the distal fibular fracture as claimed in claim 5 is characterized in that the installing hole on the inner fixer main body is semicircular strip hole (4) for the two ends that can adjust the securing member fixed position.
8. the inner fixer that is used for the treatment of the distal fibular fracture as claimed in claim 5 is characterized in that the installing hole on the inner fixer body termination is circular port (5).
9. the inner fixer that is used for the treatment of the distal fibular fracture as claimed in claim 5 is characterized in that the both sides design of junction between inner fixer main body and the termination has the semi-circular recesses (10,11) that forms necking down.
10. the inner fixer that is used for the treatment of the distal fibular fracture as claimed in claim 9, the both sides every limit design that it is characterized in that junction between inner fixer main body and the termination has 2 semi-circular recesses, the groove on both sides is corresponding, forms two and is convenient to the moulding necking down of termination pre-bending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205678723U CN201822906U (en) | 2010-10-20 | 2010-10-20 | Internal fixator for treating distal fibula fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205678723U CN201822906U (en) | 2010-10-20 | 2010-10-20 | Internal fixator for treating distal fibula fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201822906U true CN201822906U (en) | 2011-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205678723U Expired - Fee Related CN201822906U (en) | 2010-10-20 | 2010-10-20 | Internal fixator for treating distal fibula fracture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201822906U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102772242A (en) * | 2012-07-16 | 2012-11-14 | 兰树华 | Distal fibular anatomic bone plate |
| CN104248466A (en) * | 2014-09-29 | 2014-12-31 | 丽水市中心医院 | Lateral malleolus bone connecting plate |
| CN106725794A (en) * | 2016-11-30 | 2017-05-31 | 武勇 | Fibula lockplate |
| CN108095813A (en) * | 2017-12-22 | 2018-06-01 | 皖南医学院弋矶山医院 | For fixing the inner fixing device of posterior cruciate ligament of knee stop avulsion fracture |
| WO2020062709A1 (en) * | 2018-09-30 | 2020-04-02 | 创美得医疗器械（天津）有限公司 | Lateral-wing-encircling bone plate for distal fibula type-b fracture |
-
2010
- 2010-10-20 CN CN2010205678723U patent/CN201822906U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102772242A (en) * | 2012-07-16 | 2012-11-14 | 兰树华 | Distal fibular anatomic bone plate |
| CN104248466A (en) * | 2014-09-29 | 2014-12-31 | 丽水市中心医院 | Lateral malleolus bone connecting plate |
| CN106725794A (en) * | 2016-11-30 | 2017-05-31 | 武勇 | Fibula lockplate |
| WO2018099040A1 (en) * | 2016-11-30 | 2018-06-07 | 武勇 | Fibula locking plate |
| CN108095813A (en) * | 2017-12-22 | 2018-06-01 | 皖南医学院弋矶山医院 | For fixing the inner fixing device of posterior cruciate ligament of knee stop avulsion fracture |
| CN108095813B (en) * | 2017-12-22 | 2021-05-11 | 皖南医学院弋矶山医院 | Internal fixing device for fixing posterior cruciate ligament insertion avulsion fracture |
| WO2020062709A1 (en) * | 2018-09-30 | 2020-04-02 | 创美得医疗器械（天津）有限公司 | Lateral-wing-encircling bone plate for distal fibula type-b fracture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20121020 |