CN1162128C - Internal fixer of hook plate for treating distal tibiofibula separation - Google Patents
Internal fixer of hook plate for treating distal tibiofibula separation Download PDFInfo
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- CN1162128C CN1162128C CNB021378789A CN02137878A CN1162128C CN 1162128 C CN1162128 C CN 1162128C CN B021378789 A CNB021378789 A CN B021378789A CN 02137878 A CN02137878 A CN 02137878A CN 1162128 C CN1162128 C CN 1162128C
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- tibiofibula
- fibula
- separation
- treating distal
- hook plate
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Abstract
The present invention relates to an internal fixer of a hook plate for treating distal tibiofibula combination and separation caused by merging fracture, which is a fracture internal fixation instrument for separately merging in order to treat lower tibiofibula combination damage caused by an ankle joint fracture. The structure comprises a fibula fixing plate and a tibiofibula draw hook, wherein the fibula fixing plate and the tibiofibula draw hook are combined integrally. The fibula fixing plate is provided with a plurality of fibula fixing holes. The fibula fixing holes are in a long kidney shape. The fibula fixing plate is provided with a circle arc which is inosculated with the outer surface of a fibula. The tibiofibula draw hook is provided with a tibiofibula draw hook body, one end of the tibiofibula draw hook body is provided with a fibula draw hook, and the other end of the tibiofibula draw hook body is provided with tibia fixing holes.
Description
Technical field
What hook plate for treating distal tibiofibula separation inner fixer of the present invention related to is that a kind of treatment ankle joint fracture causes tibiofibular syndesmotic injuries, separation to merge the bone fracture internal fixing device tool.
Background technology
Ankle joint is as a heavy burden joint, and in walking, stand, run under the posture such as jumping and all bearing very big load, lower tibiofibula is united the integrity of keeping the ankle cave and stability significant.Ankle joint fracture is according to the classification of Lauge-Hansen, wherein supination outward turning, revolve before abduction fracture all have the damage of lower tibiofibula associating in various degree, this class damage accounts for ankle joint fracture more than 60%.Destroyed ankle joint stability after the lower tibiofibula combined separation, the broadening of ankle cave, astragalus moves outward, then the unit are pressure obviously increases, astragalus moves 1mm outward, and the pollex contact surface descends 42%, the astragalus 2-4mm that outwards is shifted, the pollex contact surface descends and reaches 65%, the pressure load of articular cartilage increases like this, as untimely treatment, late period occurs the scorching change of pain, swelling and traumatic relation, cause patient labour force's forfeiture, to such an extent as to have a strong impact on life, work influence society, family.
Ankle joint fracture should be paid attention to fracture and ligament injury during treatment on an equal basis with the lower tibiofibula joint operation.Tibiofibular syndesmotic injuries is the bridge that connects tibiofibula and stable ankle cave, and it is effectively fixing to obtain short-term, and the ligament that helps rupturing is reasonably repaired.Lower tibiofibula combined separation, manual reduction are feasible, and key is to keep firm fixing comparatively difficulty.Sprained ankle, generally all swelling is very serious, only several millimeters of lower tibiofibula combined separation, all there are loosening problem in Gypsum Fibrosum or clamping plate, often are difficult to reach fixed effect.Have only firm internal fixation to provide safeguard, make it to heal and the effect of the ankle joint of playing stably again for the lower tibiofibula ligament repair of damage.Most common therapeutic method is to use screw, bone bolt or steel plate to add screw at present, crosses syndesmosis from fibula and reaches tibia, fibula is crossed syndesmosis reach tibia, fibula is fixed in the fibular notch of tibia.And fibula has certain activity with respect to tibia, and strong internal fixation will hinder the physiological activity of normal lower tibiofibula associating, and Shi Jiuke bone pressure necrosis, lower tibiofibula ligamentous ossification, screw loosening takes place even screw extraction takes place.For preventing screw extraction, need to take out the fixedly screw of lower tibiofibula associating before generally 10 all left and right sides patients prepare to bear a heavy burden behind internal fixation, still residual feeling of numbness and chronic pain after inside-fixture is removed.
Summary of the invention
The present invention is directed to above-mentioned weak point provides a kind of shin calf combined separation to merge the fracture internal fixer of hook plate, it is a kind of elasticity inner fixer, play effectively fixing after can resetting to the lower tibiofibula combined separation, also meet the normal physiological activity requirement of ankle joint, also can reduce once operation after surgery about several weeks than other fixture, complication is few, operation technique is easy, reduce patient's misery, reduce hospitalization cost.
The hook plate for treating distal tibiofibula separation inner fixer takes following scheme to realize: hook plate for treating distal tibiofibula separation inner fixer structure comprises fibula fixing head, tibiofibula drag hook; Fibula fixing head and tibiofibula drag hook are combined into one, global shape and human dissection position match, the fibula fixing head is provided with several fibula fixing holes, the tibiofibula drag hook has tibiofibula drag hook coupler body, tibiofibula drag hook coupler body one end has the fibula drag hook, and the tibiofibula drag hook coupler body other end has the tibia fixing hole.
When using, the hook plate for treating distal tibiofibula separation inner fixer adopt screw to be fixed on ankle joint fracture patient's following fibula position the fibula fixing head, the tibiofibula drag hook adopts screw to be fixed on down on the fibula by the tibia fixing hole, the fibula drag hook hooks down the fibula side, promptly finishes the treating distal tibiofibula separation internal fixation.
Hook plate for treating distal tibiofibula separation inner fixer fixed apparatus and the implant that meets the human body treating distal tibiofibula separation reasonable in design; Can be used as by test, biomechanics, Analysis of materials mechanics and to filter out best internal fixation mode in the novel inner fixer, can be used as the optimum selection of clinical practice; It is good to pass through clinical practice initial reaction curative effect simultaneously, can be applicable, and makes a large amount of sprained ankle lower tibiofibula contacts separate patient and obtains optimal treatment.
Hook plate for treating distal tibiofibula separation inner fixer of the present invention is an optimal fixed model in the theory, it is the elasticity internal fixation, meet body biomechanics, do not disturb normal physiological activity, the novel inner fixer of this kind also can reduce the operation of getting screw about ten weeks behind the traditional operation, also can avoid tradition to pass complication such as the fracture of lower tibiofibula associating screw, flexural deformation.
Hook plate for treating distal tibiofibula separation inner fixer of the present invention can reduce postoperative complication, reduce once operation, not only make patient reduce misery, and can reduce hospitalization cost and hospital stays, operation can reduce the about 2000-3000 of medical expense unit because of reducing once than every routine patient with traditional operation, avoids once being in hospital.Can recover ankle joint function to greatest extent.Have than large economy benefit and social benefit.
Description of drawings
The invention will be further described below with reference to accompanying drawing.
Fig. 1 is a hook plate for treating distal tibiofibula separation inner fixer structural front view.
Fig. 2 is a hook plate for treating distal tibiofibula separation inner fixer structure left view.
Fig. 3 is a hook plate for treating distal tibiofibula separation inner fixer structure vertical view.
Fig. 4 is a hook plate for treating distal tibiofibula separation inner fixer user mode sketch map.
The specific embodiment
Comprise fibula fixing head 3, tibiofibula drag hook with reference to accompanying drawing 1,2,3,4 hook plate for treating distal tibiofibula separation inner fixer structures; Fibula fixing head and tibiofibula drag hook are combined into one, and the global shape and the human body lower tibiofibula bone region of anatomy match.Fibula fixing head 3 is provided with several fibula fixing holes 5, fibula fixing hole 5 is the long waist shaped hole, the hole surface shape of can dribbling, fibula fixing head 3 has circular arc and the fibula outer surface coincide, the tibiofibula drag hook has tibiofibula drag hook coupler body 2, and tibiofibula drag hook coupler body 2 one ends have fibula drag hook 4, tibiofibula drag hook coupler body 2 other ends that tibia fixing hole 1 is arranged.
The hook plate for treating distal tibiofibula separation inner fixer is tested through biomechanics experiment:
According to fresh adult cadaver lower limb foot specimen 6 tools, use Analysis of Experimental Stress and pressure-sensitive chip technology to measure the Postligamental tibiofibula intensity of far-end shin calf of different internal fixation formulas, strain, weight-bearing area, contact stress and arch of foot bearing capacity, apart from the upper joint stability change, the result shows: 1, no matter hook plate for treating distal tibiofibula separation inner fixer internal fixation formula is in tibiofibula intensity, rigidity, weight-bearing area, the distortion of arch of foot is pressed in contact, displacement, strength and stiffness, bearing capacity, the stability aspect is all fixed than two pieces of screws, steel plate is fixed, the buckle holder fixedly comes superiorly, and statistics shows to have significant difference (P＜0.01).
2, far-end shin calf ligament injury can cause the astragalus displacement, the ankle joint unstability, involutory bad, can further cause pathologic to change again, so must give strong fixing, and this fixed novel inner fixer is excellent, can help improving the Foot biomechanics performance, help improving ankle joint stability again, can effectively improve the bearing capacity of foot.
3, the hook plate for treating distal tibiofibula separation inner fixer is not only simple in structure, easy to operate but also medical effect is remarkable, is worthy of popularization.
Hook plate for treating distal tibiofibula separation is evident in efficacy through the clinical practice reflection.
Claims (5)
1, a kind of hook plate for treating distal tibiofibula separation inner fixer is characterized in that structure comprises fibula fixing head, tibiofibula drag hook; Fibula fixing head and tibiofibula drag hook are combined into one.
2, hook plate for treating distal tibiofibula separation inner fixer according to claim 1 is characterized in that the fibula fixing head is provided with several fibula fixing holes.
3, hook plate for treating distal tibiofibula separation inner fixer according to claim 2 is characterized in that the fibula fixing hole is the long waist shaped hole.
4, hook plate for treating distal tibiofibula separation inner fixer according to claim 1 is characterized in that the fibula fixing head has circular arc, coincide with the fibula outer surface.
5, hook plate for treating distal tibiofibula separation inner fixer according to claim 1 is characterized in that the tibiofibula drag hook has tibiofibula drag hook coupler body, and tibiofibula drag hook coupler body one end has the fibula drag hook, and the tibiofibula drag hook coupler body other end has the tibia fixing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021378789A CN1162128C (en) | 2002-07-01 | 2002-07-01 | Internal fixer of hook plate for treating distal tibiofibula separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021378789A CN1162128C (en) | 2002-07-01 | 2002-07-01 | Internal fixer of hook plate for treating distal tibiofibula separation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1390525A CN1390525A (en) | 2003-01-15 |
| CN1162128C true CN1162128C (en) | 2004-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021378789A Expired - Fee Related CN1162128C (en) | 2002-07-01 | 2002-07-01 | Internal fixer of hook plate for treating distal tibiofibula separation |
Country Status (1)
| Country | Link |
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| CN (1) | CN1162128C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102551870B (en) * | 2012-02-10 | 2015-02-25 | 宫玉锁 | Combined tibiofibular embracing fixator |
| CN102772242B (en) * | 2012-07-16 | 2014-09-24 | 兰树华 | Distal fibular anatomic bone plate |
| CN105943149B (en) * | 2016-06-02 | 2019-04-02 | 北京德益达美医疗科技有限公司 | A kind of fixed system of Distal tibiofibular diastasis |
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2002
- 2002-07-01 CN CNB021378789A patent/CN1162128C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1390525A (en) | 2003-01-15 |
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