CN2487346Y - Multifunctional bone external fixer for proximal joint end - Google Patents
Multifunctional bone external fixer for proximal joint end Download PDFInfo
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- CN2487346Y CN2487346Y CN 01209197 CN01209197U CN2487346Y CN 2487346 Y CN2487346 Y CN 2487346Y CN 01209197 CN01209197 CN 01209197 CN 01209197 U CN01209197 U CN 01209197U CN 2487346 Y CN2487346 Y CN 2487346Y
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Abstract
The utility model relates to a multifunctional bone external fixer for proximal joint end fracture. In the prior bone external fixer with single-edge type structure, one end of a connecting rod is changed to be provided with the screw thread and nut, the two semi-ring arches and a plurality of small lock needle devices are arranged and connected in series on the connecting rod, thus the three dimensional structure with a shape like a Chinese character 'gan' is combined. The utility model can make the needle thread from a plurality of directions, a plurality of sites and a plurality of slices; the nut of the connecting rod with the adjustable screw thread can correct rotation, overlap lengthways or separate; the utility model is provided with the functions of traction, poking and extruding for all kinds of fracture, and the utility model can correct the fracture displacement, accomplish adjustment and fixation with three-dimensional stress, and reach the purpose of firm fixation and convenience for early functional exercise. The utility model can be also used as a single-edge type external fixer or a double-edge type external fixer by removing the semi-ring arches.
Description
This utility model belongs to a kind of bone external fixation device, especially is useful for the bone external fixator of treatment near articulation fracture.
At present, known near articulation fracture be clinically difficulty reset, opening of one of fixed disease, particularly these positions or comminuted fracture, damage is serious or merge soft tissue and put forward wound often, fracture is difficult for resetting, also be difficult for fixing, the treatment difficulty.If select the unilateral external fixator for use, the spacing of threading a needle at the metaphysis place is too small, and this place belongs to spongy bone again, and fixed poor stability is prone to the postoperative displacement.If comminuted fracture, then fixing more difficult, fixed stability is poorer, is unfavorable for union of fracture.If select the treatment of semi-ring formula or loopful formula external fixator for use, good stability, but complex structure, the specification requirement height of threading a needle, avoid main blood vessel, nerve, and the limbs both sides all need to install connecting rod, are not easy to dress the functional exercise (practical orthopaedics external fixation is learned the Liu Guoping chief editor 1999:315 of Science Press) with limbs.
The purpose of this utility model is to combine the advantage of unilateral and semi-ring formula external fixator, has overcome their shortcoming, and it can not only satisfy, and the near articulation fracture segment resets and fixed mechanics requirement, and simple in structure, is convenient to thread a needle and functional exercise.
The purpose of this utility model is achieved in that
1. the structure of apparatus: this external fixator is except that the lock frame of large size purl device is made by aluminium alloy, and remaining part is made by rustless steel.Be made up of 4 parts: 1. whorl brace rod is (6) 1, (end has screw thread to long 31cm, its long 11cm), two semi-rings of contacting bend (2) and several large size purl devices (5), the weighing apparatus support fixation of mainly making even effect, screw thread and nut (1) are used for retraining semi-ring bow (2) and realize fracture pressurization, drawing-off and fixing on the bar.2. the semi-ring bow is (2) 2, and radius has 60,70,80 millimeters three kinds, settles small size purl device (3) on the bow, is used for fixing different directions draw point (4).3. the purl device has two kinds of models of size.Large size (5) 2---4 only is made for the draw point on the fixedly connected whorl brace rod, and small size (3) 4---6 only is made for the draw point on the fixedly connected semi-ring bow.4. draw point (4), Kirschner wire or steinman pin 5---8 piece.
2. the principle of apparatus: the epiphysis of human body long bone belongs to spongy bone, is attached with joint capsule, and participates in forming the joint, can occur displacement modes such as longitudinal overlap, separation, one-tenth angle, rotation after the fracture, resets when causing treatment, fixing difficulty, usually influences function of joint.The multi-functional bone external fixator of near articulation utilizes and sets up two semi-rings bow more on the whorl brace rod and can thread a needle from multi-direction, multi-section position, stage construction, adjusts the direction and the application of force direction of threading a needle on second semi-ring, the separating of rectifiable side, one-tenth angle, front and back and osteocomma.Regulate the nut on the whorl brace rod, rectifiable rotation, overlapping or separation longitudinally.To near articulation all kinds fracture play traction, cooperation usefulness is dialled, squeezed to sled, corrects displacement fracture, realizes that triaxiality regulates with fixing, reaches fixing stable and the purpose of being convenient to early functional exercise.The semi-ring bow of removal whorl brace rod can be treated as unilateral or bilateral formula external fixator again and use, and realizes a kind of apparatus multiple use.
Indication: be applicable to extremity fracture particularly near articulation fracture as: supracondylar fracture of the femur, intercondylar fracture of the femur, fracture of the tibial plateau, tibia epimere fracture, tibiofibula hypomere fracture.Be specially adapted to opening, the comminuted fracture at these positions.
Operation method: this external fixator can be assembled into unilateral, bilateral formula and three kinds of configurations of near articulation, introduces the operating technology of near articulation configuration at this.
1. the reduction of the fracture: can whether open and the complexity of the reduction of the fracture according to fracture, adopt under the direct-view to reset or closed reduction.Closed reduction must carry out under the x-ray tv perspective.At first use maneuver when resetting and make the reduction of the fracture, and keep the stable of fracture end in order to threading a needle.If the fracture that comminuted fracture or maneuver are difficult to reset, also can thread a needle earlier, utilize two semi-rings bows (2) the characteristics of threading a needle and with the connected mode of whorl brace rod (6), draw, prize by the needs of the reduction of the fracture and dial, squeeze and close, reach the good line of force and require or realize well resetting.In case of necessity, reset under the feasible little otch direct-view.
2. thread a needle:, select the Kirschner wire or the steinman pin (4) of respective diameters according to position and classification of fracture.The general draw point of wearing earlier on first semi-ring bow, the highlight of interior ectocondyle slightly partially before inserting needle, go out pin in the opposite side same position, and it is fixing with semi-ring bow (2), by the dissimilar reduction of the fracture, fixed needs, carry out threading a needle on second semi-ring then, and fixing.At this moment Gu Zhe nearly joint segments forms a rock-steady structure.Wear half pin respectively at far away, the nearly fracture line place of another section of fracture again, and fix with whorl brace rod.Answer strict aseptic noinvasive operating technology when threading a needle, the draw point spacing must not finish with povidone iodine or ethanol cloth parcel pin hole less than 5cm on the fracture segment of threading a needle in the row monoplane.
3. fixing: as to finish the satisfaction that resets of threading a needle, can carry out the fixing of external fixator integral body, and adopt corresponding force mechanism according to different classification of fracture: stable fracture is with adding press fit, and comminuted fracture is fixing with the neutralization position, and bone is damaged to be fixed with the drawing-off position.
4. aftertreatment: raise the trouble limb, put the function of joint position, progressively carry out muscle contraction, joint motion after a few days, 1---2 after week lower limb hold up the crutches walking of can progressively bearing a heavy burden.In addition, notice that pin hole nursing and detector decide device and have or not activity.The union of fracture later stage should be adjusted external fixator and carry out flexible fastening, is beneficial to union of fracture, and fracture reaches the clinical healing standard, promptly dismountable holder or the 6-8 small splints fixation of changing one's profession after week.
Owing to adopt such scheme, its advantage: 1, rational in infrastructure, be " doing " font three dimensional structure, mechanics is reliable, satisfies the mechanics requirement of fracture fixation; 2, diverse in function: 1. configuration is variable, but the multi-section position is general, and this external fixator can be assembled near articulation formula, unilateral and bilateral formula, can satisfy the bone external fixation needs of extremity long bone all kinds fracture, plays multi-use, the effect of device usefulness of a specified duration; 2. have and reset, fix and regulatory function.Separation between condyle, free bone fragment and other displacement prized dial, squeeze and close, and make the reduction of the fracture; 3, draw point is rationally distributed, particularly thread a needle on second semi-ring and select with sample, but multi-section position, multi-direction carrying out can be carried out effective triaxiality constraint especially to the fracture segment of near articulation.4 is fixing stable, is convenient to early functional exercise, helps the function of joint early recovery.5, simple to operate, easy to use, be easy to grasp, inexpensive, easy to utilize.
The drawing explanation:
Fig. 1 is the multi-functional bone external fixator of a near articulation of the present utility model perspective view.
Fig. 2 is a rustless steel whorl brace rod front elevation of the present utility model.Connecting rod is made by external diameter φ 10 stainless steel tubes (thickness of pipe wall 1.5mm).Its long 320mm. one end has close screw thread (its long 110mm) and nut.
Fig. 3 is the I-I profile of Fig. 2.
Fig. 4 is a rustless steel semi-ring bow front elevation of the present utility model.The semi-ring bow is welded by φ 6 rustless steel round steel and aperture D=11 connecting rod cover Luo, and radius 60,70, three kinds of models of 80mm are arranged.R represents the radius of semi-ring bow, the angle of α connecting rod for indication cover Luo and semi-ring bow pad.
Fig. 5 is a small size purl device elevation of the present utility model.Small size purl device is made by φ 7 rustless steel swivel nuts (thickness of pipe wall 1.5mm) and φ 7 stainless steel screws.Semi-ring bow patchhole and Kirschner wire patchhole are arranged on the rustless steel swivel nut, and the vertically superposed 3mm in two holes.
Fig. 6 is a small size purl device vertical view of the present utility model.
Fig. 7 is a large size purl device front elevation of the present utility model.Large size purl device is made up of φ 7 stainless steel screws long 20 and each one of 35mm, φ 7 rustless steel nuts and pad, alloy aluminum housing.
Fig. 8 is a large size purl device vertical view of the present utility model.
Among the figure 1, long by=2017, the alloy aluminum housing 18 of long by=35 15, the connecting rod patchhole D=11 16 of φ 10 nuts 2, semi-ring bow 3, small size purl device 4, draw point 5, large size purl device 6, whorl brace rod 7, femur 8, aperture D=11 connecting rod cover spiral shell 9, soldered 10, draw point patchhole 11, φ 7 rustless steel swivel nuts (thickness of pipe wall 1.5) 12, φ 7 stainless steel screws 13, draw point patchhole D=414, φ 7 stainless steel screws, φ 7 stainless steel screws, stainless steel gasket
According to this explanation, select suitable material and processing enterprise to make, select suitable indication, according to above-mentioned operation method operation, promptly can implement this utility model well.
Claims (6)
1. a bone external fixator is characterized in that two semi-ring bows of polyphone are " doing " font three dimensional structure with several large sizes, the combination of small size purl device on the connecting rod.
2. according to the described bone external fixator of claim 1, it is characterized in that: an end of connecting rod has close screw thread and nut.
3. according to the described bone external fixator of claim 1, it is characterized in that: connecting rod is made by external diameter φ 10 stainless steel tubes (thickness of pipe wall 1.5mm).
4. according to the described bone external fixator of claim 1, it is characterized in that: two semi-ring bows are welded by φ 6 rustless steel round steel and aperture D=11 connecting rod cover Luo, and radius 60,70, three kinds of models of 80mm are arranged.
5. according to the described bone external fixator of claim 1, it is characterized in that: small size purl device is made by φ 7 rustless steel swivel nuts (thickness of pipe wall 1.5mm) and φ 7 stainless steel screws.
6. according to the described bone external fixator of claim 1, it is characterized in that: half bad bow patchhole and Kirschner wire patchhole arranged on the rustless steel swivel nut of small size purl device, and the vertically superposed 3mm in two holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01209197 CN2487346Y (en) | 2001-03-21 | 2001-03-21 | Multifunctional bone external fixer for proximal joint end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01209197 CN2487346Y (en) | 2001-03-21 | 2001-03-21 | Multifunctional bone external fixer for proximal joint end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2487346Y true CN2487346Y (en) | 2002-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01209197 Expired - Fee Related CN2487346Y (en) | 2001-03-21 | 2001-03-21 | Multifunctional bone external fixer for proximal joint end |
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| Country | Link |
|---|---|
| CN (1) | CN2487346Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103230299A (en) * | 2013-05-07 | 2013-08-07 | 张英泽 | Femoral fracture traction apparatus with good reduction fixing effect |
| CN103393454A (en) * | 2013-08-20 | 2013-11-20 | 哈尔滨首创骨科微创医疗设备有限公司 | Limb long bone fracture semicircular reduction device |
| CN103622736A (en) * | 2013-12-12 | 2014-03-12 | 游硕 | Fracture restoration fixer for long bones of limbs |
| CN104814779A (en) * | 2015-05-07 | 2015-08-05 | 浙江工业大学 | External fixation device needle threading fixture capable of being adjusted in multiple directions and at multiple angles |
| CN105030311A (en) * | 2015-04-29 | 2015-11-11 | 胡成吉 | Linear adjustable-pressure patellar external fixator |
| WO2016173292A1 (en) * | 2015-04-29 | 2016-11-03 | 胡成吉 | Line-shaped paw-type external fixation device for patella |
| CN106132358A (en) * | 2014-04-03 | 2016-11-16 | 庆北大学校产学协力团 | Bone pulling device and the reduction of the fracture system including this |
| CN108742820A (en) * | 2018-09-06 | 2018-11-06 | 山东威高骨科材料股份有限公司 | Inferior tibiofibular joint fixation guider |
| CN113974805A (en) * | 2021-12-09 | 2022-01-28 | 河北医科大学第三医院 | External fixator for tibiofibula |
| CN116115319A (en) * | 2023-01-05 | 2023-05-16 | 无锡市第九人民医院 | Tibia platform fracture positioning and guiding equipment under arthroscope |
-
2001
- 2001-03-21 CN CN 01209197 patent/CN2487346Y/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103230299A (en) * | 2013-05-07 | 2013-08-07 | 张英泽 | Femoral fracture traction apparatus with good reduction fixing effect |
| CN103393454A (en) * | 2013-08-20 | 2013-11-20 | 哈尔滨首创骨科微创医疗设备有限公司 | Limb long bone fracture semicircular reduction device |
| CN103393454B (en) * | 2013-08-20 | 2015-03-11 | 哈尔滨首创骨科微创医疗设备有限公司 | Limb long bone fracture semicircular reduction device |
| CN103622736B (en) * | 2013-12-12 | 2016-02-03 | 游硕 | For the fracture reduction fixator of extremity long diaphysis |
| CN103622736A (en) * | 2013-12-12 | 2014-03-12 | 游硕 | Fracture restoration fixer for long bones of limbs |
| CN106132358B (en) * | 2014-04-03 | 2019-03-19 | 庆北大学校产学协力团 | Bone pulling device and reduction of the fracture system including this |
| CN106132358A (en) * | 2014-04-03 | 2016-11-16 | 庆北大学校产学协力团 | Bone pulling device and the reduction of the fracture system including this |
| CN105030311A (en) * | 2015-04-29 | 2015-11-11 | 胡成吉 | Linear adjustable-pressure patellar external fixator |
| WO2016173292A1 (en) * | 2015-04-29 | 2016-11-03 | 胡成吉 | Line-shaped paw-type external fixation device for patella |
| CN105030311B (en) * | 2015-04-29 | 2018-07-17 | 温州盛吉医疗器械科技有限公司 | "-" type pressure-adjusting type Patella external fixator |
| EP3289990A4 (en) * | 2015-04-29 | 2019-04-03 | Hu, Chengji | Line-shaped paw-type external fixation device for patella |
| CN104814779B (en) * | 2015-05-07 | 2017-01-18 | 浙江工业大学 | External fixation device needle threading fixture capable of being adjusted in multiple directions and at multiple angles |
| CN104814779A (en) * | 2015-05-07 | 2015-08-05 | 浙江工业大学 | External fixation device needle threading fixture capable of being adjusted in multiple directions and at multiple angles |
| CN108742820A (en) * | 2018-09-06 | 2018-11-06 | 山东威高骨科材料股份有限公司 | Inferior tibiofibular joint fixation guider |
| CN108742820B (en) * | 2018-09-06 | 2020-03-24 | 山东威高骨科材料股份有限公司 | Guiding device for lower tibiofibular union fixation |
| CN113974805A (en) * | 2021-12-09 | 2022-01-28 | 河北医科大学第三医院 | External fixator for tibiofibula |
| CN116115319A (en) * | 2023-01-05 | 2023-05-16 | 无锡市第九人民医院 | Tibia platform fracture positioning and guiding equipment under arthroscope |
| CN116115319B (en) * | 2023-01-05 | 2023-09-12 | 无锡市第九人民医院 | Tibia platform fracture positioning and guiding equipment under arthroscope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |