CN201642060U - Knee joint CT scanning external fixer - Google Patents
Knee joint CT scanning external fixer Download PDFInfo
- Publication number
- CN201642060U CN201642060U CN2010201724686U CN201020172468U CN201642060U CN 201642060 U CN201642060 U CN 201642060U CN 2010201724686 U CN2010201724686 U CN 2010201724686U CN 201020172468 U CN201020172468 U CN 201020172468U CN 201642060 U CN201642060 U CN 201642060U
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- plate
- knee joint
- grooved rail
- backboard
- knee
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Abstract
The utility model relates to a knee joint CT scanning external fixer which is characterized by comprising a bottom plate. The bottom plate can be arranged on a scanner table, a backboard supplied for a vola to abut to when a patient lies under the state of stretching a leg is vertically arranged on one end of the bottom plate, a middle plate which is vertical to the backboard is fixed at the median line of the bottom plate, a left side plate and a right side plate which are used for clamping the leg in a matching mode are arranged at both sides of the middle plate in parallel, and an ankle girdle used for binding an ankle joint part, a knee girdle used for binding a knee joint part and a leg girdle used for binding a shank part between the ankle joint and the knee joint are arranged among the middle plate, the left side plate and the right side plate. The utility model has the advantages of simple structure and convenient operation, can fix bilateral knee joints of the patient conveniently and symmetrically, efficiently prevent that the bilateral knee joints are asymmetrical in the process of CT scanning to cause mobile artefect, enable the knee joint CT scanning to be normal and successful, has clear formed CT images, accurate supplied information and good application and popularization prospect.
Description
Technical field
This utility model relates to medical apparatus and instruments, especially a kind of knee joint external fixator that is applicable to the CT scan operation.
Background technology
Knee joint is complicated, the most easily vulnerable joint in the human body whole body structure, develop rapidly along with medical science, CT has become the routine examination means of pathologic changes of knee joint, and conventional knee joint CT scan mainly relies on patient's self braking, finishes scanning by keeping the kneed symmetry of bilateral.In practical operation; whether the positioning stablity that is scanned body can directly influence CT examination result's accuracy; because patient's Ipsilateral pain or self be autonomous factor such as shake not; usually can cause the CT image to have the pseudo-shadow of mobility; and repeat the scanning that this moves the position; then can give the meaningless increase quantity of X-rays X of patient; also can cause scanning aspect in bilateral knee joint asymmetric; patient for the congenital variation; because bilateral can't compare, will directly have influence on the correctness of the doctor's of image section final result judgement, cause and fail to pinpoint a disease in diagnosis; mistaken diagnosis etc.; even can't diagnose, thereby next step diagnosis and treatment work that directly influences the patient is correctly in time carried out at all.Therefore, the braking in patient's double knee joint when scanning align making a definite diagnosis disconnected cause close important.At present, state does not see as yet the external fixator that is exclusively used in the knee joint CT scan.
The utility model content
Technical problem to be solved in the utility model is to remedy above-mentioned the deficiencies in the prior art, and providing a kind of can fix bilateral knee joint symmetry, and the knee joint CT scan external fixator that it can't be moved.
This utility model solves by the following technical programs.
The characteristics of this knee joint CT scan external fixator are:
Comprise a base plate that can be placed on scanning bed, sole one end vertically be provided with vola under the straight configuration of shank during for patient's dorsal position against backboard;
Described base plate center line is fixed with an intermediate plate perpendicular to backboard;
Parallel being provided with in described intermediate plate both sides can cooperate left plate and the right plate that is used for the shank clamping;
Be provided with between the left plate of described intermediate plate and both sides and the right plate can be respectively to the ankle band of ankle joint position binding, to the knee band of knee joint position binding, to the shank band of shank position binding between ankle joint and knee joint.
Technical problem of the present utility model is further solved by the following technical programs.
Described backboard is provided with a horizontal plate that can be butted on two toes.Utilize this horizontal plate, the moving up and down of foot under the shank straight configuration in the time that dorsal position can being limited.
Described horizontal plate is arranged on the backboard in removable mode up and down.
Be interval with twice on the described backboard perpendicular to base plate and be provided with the grooved rail of gear, the horizontal plate two ends are provided with the plate foot that can insert the grooved rail gear, and grooved rail is provided with gear and regulates.Horizontal plate can move up and down along grooved rail by the embedding clearance fit of plate foot with grooved rail, and can utilize the height of the gear adjusting fixing horizontal plate on the grooved rail, to satisfy compressing of different size vola.
Described band is an elastic straps.
One end of described elastic straps is a stiff end, is fixedly connected on respectively on left plate and the right plate, and the other end is a free-end, and the free-end of each elastic straps is respectively equipped with and can cooperates bonding VELCRO with each corresponding VELCRO on the intermediate plate.
It is parallel and perpendicular to the grooved rail of intermediate plate to be interval with twice on the described base plate, be provided with gear in the grooved rail, left plate and right plate are equipped with the plate foot that can insert base plate grooved rail gear, left plate or right plate all can be plugged in the grooved rail by the plate foot, and grooved rail is provided with can be with the fixed gear bolt of side plate.Utilize gear on the grooved rail to regulate the spacing of fixing left plate or right plate and intermediate plate, to satisfy the clamping of different thicknesses shank.
Described base plate, backboard, horizontal plate, intermediate plate and left side plate and patient's limbs or foot contact surface or position are equipped with pad.
This utility model beneficial effect compared with prior art is:
This knee joint CT scan external fixator is simple in structure, processing ease, and it can be conveniently fixing with patient's bilateral knee joint symmetry, the pseudo-shadow of the asymmetric mobility that may cause in bilateral knee joint when effectively preventing CT scan.Utilize this holder can make the knee joint CT scan normally, carry out smoothly, formed CT clear picture, the information that provides is accurate.Has good application and promotion prospect.
Concrete structure of the present utility model is provided in detail by the following drawings and embodiment.
Description of drawings
Accompanying drawing is the structural representation of knee joint CT scan external fixator.
The specific embodiment
Embodiment: can be clear that knee joint CT scan external fixator from accompanying drawing, comprise: base plate 1, backboard 2, intermediate plate 3, left plate 4, right plate 5 and horizontal plate 6.
Described base plate 1 one ends vertically be provided with vola under the straight configuration of shank during for the patient dorsal position against backboard 2; Be interval with twice on the backboard 2 perpendicular to base plate 1 and be provided with the grooved rail 22 of gear 21, grooved rail 22 is provided with gear bolt (not shown).Described horizontal plate 6 two ends are provided with the plate foot (not shown) that can insert grooved rail gear 21, horizontal plate 6 can move up and down along grooved rail 21 by the embedding clearance fit of plate foot with grooved rail 21, and can utilize the gear bolt on the grooved rail 22 that horizontal plate 6 height of living in are fixed, to satisfy compressing of different size vola.
Described base plate 1 center line fixedly stands an intermediate plate 3 perpendicular to backboard 2, and parallel being provided with in intermediate plate 3 both sides can cooperate left plate 4 and the right plate 5 that is used for the shank clamping; Be interval with respectively on the intermediate plate 3 both sides base plates 1 for left plate 4 grooved rail 11 that 5 parallel cooperations are installed with right plate, be provided with gear 12 in the grooved rail 11, grooved rail 11 is provided with gear bolt (not shown).Left plate 4 and right plate 5 are equipped with the plate foot (not shown) of the grooved rail gear 12 that can vertically insert base plate 1, left plate 4 or right plate 5 all can move the spacing of adjusting and intermediate plate 3 by the plate foot and the embedding clearance fit of grooved rail 11 along grooved rail 11, and utilize the gear bolt on the grooved rail 11 that left and right side plate 4,5 present positions are fixed, to satisfy the clamping of different thicknesses shank.
Be provided with between the left plate 4 of described intermediate plate 3 and both sides and the right plate 5 can be respectively to the ankle band 7 of ankle joint position binding, to the knee band 8 of knee joint position binding, to the shank band 9 of shank position binding between ankle joint and knee joint.
Described ankle band 7, knee band 8, shank band 9 are elastic straps.
One end of described ankle band 7, knee band 8, shank band 9 is a stiff end, be fixedly connected on respectively on left plate 4 and the right plate 5, the other end is a free-end, and each free-end is respectively equipped with and can cooperates bonding VELCRO 10b with each corresponding VELCRO 10a on the intermediate plate 3.
Described base plate 1, backboard 2, horizontal plate 6, intermediate plate 3 and left side plate 4,5 and patient's limbs or foot contact surface or position are equipped with the pad (not shown).
The using method of this knee joint CT scan external fixator is, with knee joint CT scan external fixator place scanning bed on, allow the patient lie on the back and be positioned on the base 1, two lower limbs are stretched and place in the holding tank that forms by intermediate plate 3 and left plate 4 and right plate 5 on the base plate 1, and the heel that makes two foots is butted on the right angle of base plate 1 and backboard 2 formation, heel contacts with base plate 1, backboard 2 then is close in the vola, this moment is according to the size in patient vola, utilize the cooperating of 21 of gears of grooved rail 22 on horizontal plate 6 two end plates foots and the backboard 2, regulate the distance of horizontal plate 6 and base plate 1, being butted on toe with horizontal plate 6 is as the criterion, by the gear bolt fixing horizontal 6 on the grooved rail 22, make horizontal plate 6 be butted on patient's toe then, reach the prevention foot and move up.12 of the gears of grooved rail 11 cooperates on the plate foot that utilizes left and right side plate 4,5 then and the base plate 1, regulate the spacing of left and right side plate 4,5 and intermediate plate 3, adapt with the shank that inserts into the inner with left and right side plate 4,5 and intermediate plate 3 formed holding tank width and to be as the criterion, then by the gear bolt on the grooved rail 11 fixedly left plate 4 and right plate 5, prevention shank move left and right.At this moment, the VELCRO 10a that will be installed in ankle band 7 on the left and right side plate 4,5, knee band 8, shank band 9 each free-end again pastes with each corresponding VELCRO 10b on the intermediate plate respectively and connects.Make appropriate respectively ankle, knee and the shank that presses on the patient of ankle band 7, knee band 8, shank band 9, form the binding at each position.
Above content be in conjunction with concrete preferred implementation to further describing that this utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For this utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from this utility model design, its framework form can be flexible and changeable, can the subseries product.Just make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that this utility model is determined by claims of being submitted to.
Claims (8)
1. knee joint CT scan external fixator is characterized in that:
Comprise a base plate that can be placed on scanning bed, base plate one end vertically be provided with vola under the straight configuration of shank during for patient's dorsal position against backboard;
Described base plate center line is fixed with an intermediate plate perpendicular to backboard;
Parallel being provided with in described intermediate plate both sides can cooperate left plate and the right plate that is used for the shank clamping;
Be provided with between the left plate of described intermediate plate and both sides and the right plate can be respectively to the ankle band of ankle joint position binding, to the knee band of knee joint position binding, to the shank band of shank position binding between ankle joint and knee joint.
2. knee joint CT scan external fixator according to claim 1 is characterized in that:
Described backboard is provided with a horizontal plate that can be butted on two toes.
3. knee joint CT scan external fixator according to claim 2 is characterized in that:
Described horizontal plate is arranged on the backboard in removable mode up and down.
4. knee joint CT scan external fixator according to claim 3 is characterized in that:
Be interval with twice on the described backboard perpendicular to base plate and be provided with the grooved rail of gear, the horizontal plate two ends are provided with the plate foot that can insert the grooved rail gear, and grooved rail is provided with the gear bolt.
5. according to claim 1 or 2 or 3 or 4 described knee joint CT scan external fixators, it is characterized in that:
Described ankle band, knee band and shank band are elastic straps.
6. knee joint CT scan external fixator according to claim 5 is characterized in that:
One end of described elastic straps is a stiff end, is fixedly connected on respectively on left plate and the right plate, and the other end is a free-end, and the free-end of each elastic straps is respectively equipped with and can cooperates bonding VELCRO with each corresponding VELCRO on the intermediate plate.
7. knee joint CT scan external fixator according to claim 6 is characterized in that:
It is parallel and perpendicular to the grooved rail of intermediate plate to be interval with twice on the described base plate, be provided with gear in the grooved rail, left plate and right plate are equipped with the plate foot that can insert base plate grooved rail gear, left plate or right plate all can be by being plugged in the grooved rail extremely enough, and grooved rail is provided with can be with the fixed gear bolt of side plate.
8. knee joint CT scan external fixator according to claim 7 is characterized in that:
Described base plate, backboard, horizontal plate, intermediate plate and left side plate and patient's limbs or foot contact surface or position are equipped with pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201724686U CN201642060U (en) | 2010-04-23 | 2010-04-23 | Knee joint CT scanning external fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201724686U CN201642060U (en) | 2010-04-23 | 2010-04-23 | Knee joint CT scanning external fixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201642060U true CN201642060U (en) | 2010-11-24 |
Family
ID=43107239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201724686U Expired - Fee Related CN201642060U (en) | 2010-04-23 | 2010-04-23 | Knee joint CT scanning external fixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201642060U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764127A (en) * | 2012-08-08 | 2012-11-07 | 丁长青 | Assistance device for magnetic resonance imaging on hip joint |
| CN102805624A (en) * | 2012-08-08 | 2012-12-05 | 丁长青 | Assistant device for magnetic resonance scans of knee joint |
| CN104720843A (en) * | 2015-03-20 | 2015-06-24 | 中国人民解放军第四军医大学 | Foot fixator for whole body bone scanning |
| CN106473767A (en) * | 2016-12-09 | 2017-03-08 | 深圳市龙岗中心医院 | A kind of x-ray checks the fixing bed in special neck thoracic vertebra swimming position |
| CN111135007A (en) * | 2020-01-14 | 2020-05-12 | 济宁市中西医结合医院(济宁市任城区中医院) | Shank mounting fixture for orthopedic surgery |
| CN114099226A (en) * | 2021-10-18 | 2022-03-01 | 温州大学 | Special leg pressing device of sports training |
-
2010
- 2010-04-23 CN CN2010201724686U patent/CN201642060U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764127A (en) * | 2012-08-08 | 2012-11-07 | 丁长青 | Assistance device for magnetic resonance imaging on hip joint |
| CN102805624A (en) * | 2012-08-08 | 2012-12-05 | 丁长青 | Assistant device for magnetic resonance scans of knee joint |
| CN104720843A (en) * | 2015-03-20 | 2015-06-24 | 中国人民解放军第四军医大学 | Foot fixator for whole body bone scanning |
| CN106473767A (en) * | 2016-12-09 | 2017-03-08 | 深圳市龙岗中心医院 | A kind of x-ray checks the fixing bed in special neck thoracic vertebra swimming position |
| CN111135007A (en) * | 2020-01-14 | 2020-05-12 | 济宁市中西医结合医院(济宁市任城区中医院) | Shank mounting fixture for orthopedic surgery |
| CN114099226A (en) * | 2021-10-18 | 2022-03-01 | 温州大学 | Special leg pressing device of sports training |
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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: 20101124 Termination date: 20120423 |