CN205094563U - Bionical motion hip joint external fixation ware - Google Patents
Bionical motion hip joint external fixation ware Download PDFInfo
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- CN205094563U CN205094563U CN201520877347.4U CN201520877347U CN205094563U CN 205094563 U CN205094563 U CN 205094563U CN 201520877347 U CN201520877347 U CN 201520877347U CN 205094563 U CN205094563 U CN 205094563U
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- arc
- slide rail
- skateboard
- coxae
- hip joint
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Abstract
The utility model discloses a bionical motion hip joint external fixation ware, it includes arc slide rail, arc slide, first arc, second arc and arc -shaped fixing plate, wherein, the arc slide rail with arc slide sliding connections, first arc with arc slide rail rotatable coupling, the second arc with arc -shaped fixing plate connects, arc -shaped fixing plate with arc slide rotatable coupling, first arc accessible bone round needle is fixed with the ilium spine of ilium, the 2nd arc accessible bone round needle is fixed with the greater trochanter of head of femur. The utility model discloses the motion axis of bionical motion hip joint external fixation ware's the three degree of freedom all passes through the head of femur center, has realized keeping the great normal home range of hip joint under the condition that lightens the hip joint heavy burden. The utility model discloses a bionical motion hip joint external fixation ware has avoided the artificial replacement joint to provide new treatment means for remaining self head of femur.
Description
Technical field
This utility model relates to technical field of medical instruments, especially relates to a kind of bionic movement external fixer for coxae.
Background technology
At present, Hip Fracture, deformity, Hip osteoarthritis, hip joint rheumatic and rheumatoid arthritis, femur head necrosis etc. are common clinicals, and above-mentioned disease all can cause the symptoms such as the movable dumb and arthralgia of patient articular.For above-mentioned disease, development both at home and abroad has hip joint outer support device, thread a needle external fixator and internal supporter for hip joint.
Existing hip joint outer support device, to the fixing instability of hip joint.And existing external fixator of threading a needle has 1 to 2 rotational freedoms, its arm of force is long, and bracing force is more weak, and to the heavy limited efficiency of joint motions Reduction of Students' Study Load, and the patient installing this external fixator of threading a needle can only do flexion-extension motion and adduction and abduction activity is less; The outer brace of the hip joint function of the Wearable of prior art, due to soft-tissue motion, can only play stable protective effect, stressed and movement locus control ability is more weak to hip joint; Even some external fixer for coxae profile is huge, and after installing and using, the hip joint of patient is stiff, and life is inconvenient.Secondly, the internal supporter for hip joint of prior art, after installing and using, patient can not carry out the activity of abduction, adduction and interior outward turning, even some postoperatively can not adjust bones of the body joint space, such as, and existing russian internal supporter for hip joint, there is the defect of its abduction function limitation during use, thus the curative effect had a strong impact on patient and application.
As can be seen here, the hip joint outer support device of prior art, thread a needle external fixator and internal supporter for hip joint are in structure and use and all there is obvious defect, urgently improve further.
Utility model content
The purpose of this utility model is to provide a kind of bionic movement external fixer for coxae; when this holder is installed in operation; patient is damaged little, little to blood fortune destruction; under this holder can alleviate the condition of hip joint heavy burden; keep the normal activity scope that hip joint is larger, and its low cost of manufacture, easy to use; after patient can be made to install, the motions such as abduction, adduction and interior outward turning can be carried out.
For solving the problems of the technologies described above a kind of bionic movement external fixer for coxae of this utility model, it comprises arc-shaped slide rail, arc skateboard, the first arc, the second arc and arc fixed plate, wherein,
Described arc-shaped slide rail is slidably connected with described arc skateboard, and described first arc and described arc-shaped slide rail are rotatably connected, and described second arc is connected with described arc fixed plate, and described arc fixed plate and described arc skateboard are rotatably connected;
Described first arc is fixed by the ilium ridge of osseous pin and ilium, and described second arc is fixed by osseous pin and capital greater trochanter.
In an embodiment of the present utility model, described arc skateboard is provided with multiple moving runner, described arc-shaped slide rail can slidingly contact with described multiple moving runner.
In an embodiment of the present utility model, described arc skateboard comprises upper plate body and lower body, described arc-shaped slide rail is between described upper plate body and described lower body, and described moving runner is arranged on described upper plate body or on described lower body, or is arranged between described upper plate body and lower body.
In an embodiment of the present utility model, the two ends of described arc-shaped slide rail are provided with block, carry out spacing to described arc skateboard move distance.
In an embodiment of the present utility model, described second arc and described arc fixed plate removably connect.
In an embodiment of the present utility model, the magnitude setting of described osseous pin is at least one.
In an embodiment of the present utility model, described arc skateboard quantity is at least 1.
In an embodiment of the present utility model, described arc-shaped slide rail, described arc skateboard, described first arc, described second arc and described arc fixed plate are have the medical stainless steel of good biocompatibility, titanium alloy material, aluminium alloy, carbon fiber or ceramic material.
This utility model also provides a kind of bionic movement external fixer for coxae, it comprises circular slide rail, arc skateboard, the first arc, the second arc and arc fixed plate, wherein, described circular slide rail is slidably connected with described arc skateboard, described first arc and described circular slide rail are rotatably connected, described second arc is connected with described arc fixed plate, and described arc fixed plate and described arc skateboard are rotatably connected; Described first arc is fixed by the ilium ridge of osseous pin and ilium, and described second arc is fixed by osseous pin and capital greater trochanter.
This utility model bionic movement external fixer for coxae has the following advantages:
1, the axis of movement of the three degree of freedom of this utility model bionic movement external fixer for coxae is all through late-segmental collapse, achieves under the condition alleviating hip joint heavy burden, keeps the normal activity scope that hip joint is larger.
2, bionic movement external fixer for coxae of the present utility model, avoids artificial replacement joints, thus for retaining the treatment means that self femoral head provides new.
3, bionic movement external fixer for coxae of the present utility model, structure is simple, and easy to use, cost is low, and the patient after installing and using, can the activities such as abduction, adduction and interior outward turning be carried out.
4, bionic movement external fixer for coxae of the present utility model, does not need to cut skin, little to the damage of patient, destroys little, and avoids second operation and get inside-fixture, operate easy to use to blood fortune.
Accompanying drawing explanation
Fig. 1 is the structural representation of bionic movement external fixer for coxae of the present utility model;
Fig. 2 is the structural representation of the installment state of bionic movement external fixer for coxae of the present utility model.
Detailed description of the invention
Shown in Fig. 1 and Fig. 2, bionic movement external fixer for coxae of the present utility model, it comprises arc-shaped slide rail 1, arc skateboard 11,12, first arc 2, second arc 3 and arc fixed plate 4, wherein, arc-shaped slide rail 1 is slidably connected with arc skateboard 11,12, first arc 2 is rotatably connected with arc-shaped slide rail 1, and the second arc 3 is connected with arc fixed plate 4, and arc fixed plate 4 and arc skateboard 11,12 are rotatably connected; First arc 2 is fixed by osseous pin 21 and the ilium ridge of ilium in human body, and the second arc 3 is fixed by osseous pin 31 and capital greater trochanter 5 in human body.When installing and using, the pivot center of arc-shaped slide rail 1 and arc skateboard 11,12, the first arc 2 and the pivot center of arc-shaped slide rail 1 and the axis of movement of arc fixed plate 4 and the second arc 3 are all through late-segmental collapse.Arc-shaped slide rail 1, arc skateboard 11,12, first arc 2, second arc 3 and arc fixed plate 4 are positioned at human external, fix by means of only the femoral head in circle spicule and human body and ilium, cooperation between arc-shaped slide rail 1 and arc skateboard 11,12 is slided, there is larger range of activity in femoral head joint, makes hip joint carry out the activities such as abduction, adduction and interior outward turning in normal scope.
Wherein, arc skateboard 11,12 is provided with multiple moving runner 113, arc-shaped slide rail 1 can slidingly contact with multiple moving runner 113.Preferably, arc skateboard 11,12 comprises upper plate body 111 and lower body 112, arc-shaped slide rail 1 is between upper plate body 111 and lower body 112, moving runner 113 to be arranged on upper plate body on 111 or lower body 112, or be arranged between upper plate body 111 and lower body 112, or moving runner 113 be arranged on upper plate body 111, lower body 112 and between upper plate body 111 and lower body 112 simultaneously.When arc skateboard 11,12 arranges multiple moving runner 113, the frictional force of the relative motion between arc-shaped slide rail 1 and arc skateboard 11,12 can be reduced, good fixation can be played to joint after installation, and hip joint can be made in normal range of activity to have higher flexibility ratio.
Arc skateboard 11,12 quantity is at least 1, and preferably, the magnitude setting of arc skateboard 11,12 is two, is respectively the first arc skateboard 11 and the second arc skateboard 12, is arranged at the both sides of the first arc 2 and arc-shaped slide rail 1 junction respectively.Further, the two ends of arc fixed plate 4 are rotatably connected with the first arc skateboard 11 and the second arc skateboard 12 respectively.When arc skateboard 11,12 arranges one, only can be set to the first arc skateboard 11, and the second arc skateboard 12 is not set.
Preferably, the two ends of arc-shaped slide rail 1 are provided with block 13, carry out spacing effect, avoid arc skateboard 11,12 to skid off arc-shaped slide rail 1 to arc skateboard 11,12 motion.
Preferably, second arc 3 removably connects with arc fixed plate 4, when using bionic movement external fixer for coxae of the present utility model, first the first arc 2 is fixed on the ilium ridge of ilium 6 by osseous pin, wherein, the quantity of osseous pin 21 can be more than 1, and preferably, the quantity of osseous pin is 2.Then, be fixed on capital greater trochanter 5 by the second arc 3 by osseous pin 31, the quantity of osseous pin 31 is more than 1, and preferably, the quantity of osseous pin 31 is 2.Finally, adjust the second arc 3 and be fixed on position on arc fixed plate 4, make the axis of movement of arc skateboard 11,12, first arc 2, second arc 3 all through capital center, the second arc 3 is fixedly connected with arc fixed plate 4.Like this; bionic movement external fixer for coxae of the present utility model is fixed on after on human body; the axis of its three kinematic axiss is all through late-segmental collapse; achieve under the condition alleviating hip joint heavy burden; keep the normal activity scope that joint is larger; reach the joint power that can reduce or eliminate hip joint, hip joint can be made again to carry out early stage bending and stretching and adduction, abduction functional exercise, fixedly can carry out again the effect of the fusion of hip joint simultaneously.
The arc-shaped slide rail 1 of bionic movement external fixer for coxae of the present utility model, arc skateboard 11,12, first arc 2, second arc 3 and arc fixed plate 4 all adopt medical stainless steel, titanium alloy material, aluminium alloy, carbon fiber or the ceramic material etc. with good biocompatibility.
First arc 2 of bionic movement external fixer for coxae of the present utility model forms the first single-axis hinge with arc-shaped slide rail 1, second arc 3 forms the second single-axis hinge with arc fixed plate 4, arc-shaped slide rail 1 and arc skateboard 11,12 form rotary pair, bionic movement external fixer for coxae is fixed in human body after corresponding site, and the axis of movement of this three degree of freedom is all through capital center.
As disposable embodiment, bionic movement external fixer for coxae of the present utility model, it comprises circular slide rail 1, arc skateboard 11,12, first arc 2, second arc 3 and arc fixed plate 4, wherein, circular slide rail 1 is slidably connected with arc skateboard 11,12, first arc 2 is rotatably connected with circular slide rail 1, and the second arc 3 is connected with arc fixed plate 4, and arc fixed plate 4 and arc skateboard 11,12 are rotatably connected; First arc 2 is fixed by the ilium ridge of osseous pin 21 with ilium 6, and the second arc 3 is fixed by osseous pin 31 and capital greater trochanter 5.
This utility model bionic movement external fixer for coxae has the following advantages:
1, the axis of movement of the three degree of freedom of this utility model bionic movement external fixer for coxae is all through late-segmental collapse, achieves under the condition alleviating hip joint heavy burden, keeps the normal activity scope that hip joint is larger.
2, bionic movement external fixer for coxae of the present utility model, avoids artificial replacement joints, thus for retaining the treatment means that self femoral head provides new.
3, bionic movement external fixer for coxae of the present utility model, structure is simple, and easy to use, cost is low, and the patient after installing and using, can the activities such as abduction, adduction and interior outward turning be carried out.
4, bionic movement external fixer for coxae of the present utility model, does not need to cut skin, little to the damage of patient, destroys little, and avoids second operation and get inside-fixture, operate easy to use to blood fortune.
Below be only preferred embodiment of the present utility model, anyone a little amendment made this utility model according to content of the present utility model, distortion and equivalent replacement all fall into protection domain of the present utility model.
Claims (9)
1. a bionic movement external fixer for coxae, is characterized in that comprising arc-shaped slide rail, arc skateboard, the first arc, the second arc and arc fixed plate, wherein,
Described arc-shaped slide rail is slidably connected with described arc skateboard, and described first arc and described arc-shaped slide rail are rotatably connected, and described second arc is connected with described arc fixed plate, and described arc fixed plate and described arc skateboard are rotatably connected;
Described first arc is fixed by the ilium ridge of osseous pin and ilium, and described second arc is fixed by osseous pin and capital greater trochanter.
2. bionic movement external fixer for coxae according to claim 1, is characterized in that,
Described arc skateboard is provided with multiple moving runner, and described arc-shaped slide rail can slidingly contact with described multiple moving runner.
3. bionic movement external fixer for coxae according to claim 2, is characterized in that,
Described arc skateboard comprises upper plate body and lower body, and described arc-shaped slide rail is between described upper plate body and described lower body, and described moving runner is arranged on described upper plate body or on described lower body, or is arranged between described upper plate body and lower body.
4. bionic movement external fixer for coxae according to claim 1, is characterized in that,
The two ends of described arc-shaped slide rail are provided with block, carry out spacing to described arc skateboard move distance.
5. bionic movement external fixer for coxae according to claim 1, is characterized in that,
Described second arc and described arc fixed plate removably connect.
6. bionic movement external fixer for coxae according to claim 1, is characterized in that,
The magnitude setting of described osseous pin is at least one.
7. bionic movement external fixer for coxae according to claim 1, is characterized in that,
Described arc skateboard quantity is at least 1.
8. bionic movement external fixer for coxae according to claim 1, is characterized in that,
Described arc-shaped slide rail, described arc skateboard, described first arc, described second arc and described arc fixed plate are have the medical stainless steel of good biocompatibility, titanium alloy material, aluminium alloy, carbon fiber or ceramic material.
9. a bionic movement external fixer for coxae, is characterized in that comprising circular slide rail, arc skateboard, the first arc, the second arc and arc fixed plate, wherein,
Described circular slide rail is slidably connected with described arc skateboard, and described first arc and described circular slide rail are rotatably connected, and described second arc is connected with described arc fixed plate, and described arc fixed plate and described arc skateboard are rotatably connected;
Described first arc is fixed by the ilium ridge of osseous pin and ilium, and described second arc is fixed by osseous pin and capital greater trochanter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877347.4U CN205094563U (en) | 2015-11-05 | 2015-11-05 | Bionical motion hip joint external fixation ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520877347.4U CN205094563U (en) | 2015-11-05 | 2015-11-05 | Bionical motion hip joint external fixation ware |
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| Publication Number | Publication Date |
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| CN205094563U true CN205094563U (en) | 2016-03-23 |
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| CN201520877347.4U Active CN205094563U (en) | 2015-11-05 | 2015-11-05 | Bionical motion hip joint external fixation ware |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108143473A (en) * | 2017-12-27 | 2018-06-12 | 宜兴市人民医院 | A kind of outer resting guide for being accurately positioned pelvis fracture operation |
| CN108143474A (en) * | 2017-12-27 | 2018-06-12 | 苏州大学附属第医院 | A kind of outer resting guide for being accurately positioned pelvis fracture operation |
| CN109803614A (en) * | 2016-07-28 | 2019-05-24 | 德普伊爱尔兰无限公司 | Device assembly for hip replacement surgery |
-
2015
- 2015-11-05 CN CN201520877347.4U patent/CN205094563U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109803614A (en) * | 2016-07-28 | 2019-05-24 | 德普伊爱尔兰无限公司 | Device assembly for hip replacement surgery |
| CN108143473A (en) * | 2017-12-27 | 2018-06-12 | 宜兴市人民医院 | A kind of outer resting guide for being accurately positioned pelvis fracture operation |
| CN108143474A (en) * | 2017-12-27 | 2018-06-12 | 苏州大学附属第医院 | A kind of outer resting guide for being accurately positioned pelvis fracture operation |
| CN108143473B (en) * | 2017-12-27 | 2020-04-10 | 蒋臻欢 | External fixation guide plate for accurate positioning pelvis fracture operation |
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