CN215839051U - Novel tibia rotation angle and lower limb force line combined measuring device - Google Patents
Novel tibia rotation angle and lower limb force line combined measuring device Download PDFInfo
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- CN215839051U CN215839051U CN202121816957.5U CN202121816957U CN215839051U CN 215839051 U CN215839051 U CN 215839051U CN 202121816957 U CN202121816957 U CN 202121816957U CN 215839051 U CN215839051 U CN 215839051U
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Abstract
The utility model provides a novel combined measuring device for a tibia rotation angle and a lower limb force line, which comprises a force line rod assembly, wherein the force line rod assembly comprises a main support block, two sides of the inner wall of the main support block are respectively and rotatably connected with first arc-shaped clamping blocks, one end of each first arc-shaped clamping block is provided with a first spring, one side close to the main support block is provided with an angle measuring assembly, the angle measuring assembly comprises a loop bar, a telescopic rod is arranged in the loop bar, one ends of the loop bar and the telescopic rod are respectively provided with an auxiliary support block, two sides of the inner wall of each auxiliary support block are respectively and rotatably connected with second arc-shaped clamping blocks, one end of each second arc-shaped clamping block is provided with a second spring, one side close to each auxiliary support block is provided with a round hole connecting block, each round hole connecting block is provided with an angle measuring dial scale, and the utility model realizes accurate measurement of the tibia rotation angle and the force line rod to determine the knee joint force line of a patient, and the method is simple to operate, reduces the measurement error and meets the current orthopedic medical requirements.
Description
Technical Field
The utility model mainly relates to the technical field of orthopedic medical instruments, in particular to a novel tibia rotation angle and lower limb force line combined measuring device.
Background
The CT research on the tibial rotation evolution from a normal embryo to a bone development maturity period finds that the tibia is in an increased external torsion state in the early embryo life period, the tibia is in an internal torsion state when a newborn is born along with the gradual reduction of growth and development, then the tibia naturally rotates outwards and develops until the average tibia external torsion reaches 15 degrees when the bone development is mature, the tibial torsion abnormality is an important factor for causing lower limb diseases, and the problems of bone nonunion, influence on the deformity correction effect, lower limb force line deviation and the like caused by the poor rotation of the tibia are solved.
The measurement method of the tibia torsion angle is mainly divided into three categories: firstly, directly carry out the corpse and measure, it is direct to measure on the corpse, the result is directly perceived accurate, but break away from whole and can not go on in the live body, clinical application is less, secondly, carry out indirect assessment through clinical examination, clinical examination method measurement can relapse the direct measurement live body, it is convenient harmless to the human body, but hardly find accurate bony landmark point, the result is inaccurate, do not have better clinical indirect measurement method at present, thirdly, utilize CT to carry out the image detection, CT measurement method can relapse and measure on the live body, the result is also comparatively accurate, but CT measurement needs the picture of relapse, this can receive a large amount of radiations in the short term to the patient, and the CT cost is too high, common patient's treatment cost has been increased.
When treating diseases such as fracture, equinovarus deformity, traumatic acquired deformity and the like, a measurer specially used for indirectly measuring the rotation angle of the tibia is required to measure the rotation angle value of the tibia and the force line rod to determine the force line of the knee joint of the patient, and the measured value of CT have no statistical difference, so that the knee joint force line can be guided and applied to the diseases caused by the abnormal torsion of the tibia.
Based on this, we need to develop a combined measuring device to measurement shin bone rotation angle that can be accurate and line pole with effort confirm patient's knee joint line of force, and easy operation reduces measuring error, practicality very accords with orthopedics medical treatment demand now.
SUMMERY OF THE UTILITY MODEL
The utility model mainly provides a novel tibia rotation angle and lower limb force line combined measuring device, which is used for solving the technical problems in the background technology.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a novel tibia rotation angle and lower limb force line combined measuring device comprises a force line rod assembly, wherein the force line rod assembly comprises a main support block, two sides of the inner wall of the main support block are respectively and rotatably connected with first arc-shaped clamping blocks, one end of each first arc-shaped clamping block is provided with a first spring, one end of each first spring, which is far away from the first arc-shaped clamping block, is connected with the main support block, one side, which is close to the main support block, is provided with an angle measuring assembly, the angle measuring assembly comprises a loop bar, a telescopic rod is arranged in the loop bar, one ends of the loop bar and the telescopic rod are respectively provided with an auxiliary support block, two sides of the inner wall of each auxiliary support block are respectively and rotatably connected with a second arc-shaped clamping block, one end of each second arc-shaped clamping block is provided with a second spring, one end, which is far away from the second arc-shaped clamping block, of each second spring is mutually connected with the auxiliary support block, and a round hole connecting block is arranged on one side close to each auxiliary support block, each round hole connecting block is respectively and rotatably connected with the loop bar and the telescopic rod, and each round hole connecting block is provided with an angle measuring dial.
Furthermore, one side of the outer wall of the first arc-shaped clamping block is provided with an arc-shaped sliding rail, and a cylindrical sliding block is arranged on the arc-shaped sliding rail.
Furthermore, a porous rectangular block is arranged on one side of the outer wall of the cylindrical sliding block, and a force line rod is arranged on the porous rectangular block.
Furthermore, every all be provided with the arc opening on the angulation calibrated scale, every the arc opening all with power line pole sliding connection.
Furthermore, the loop bar and one end of the telescopic rod are both provided with locking nuts.
Furthermore, a locking and positioning knob is arranged on one side of the outer wall of the loop bar.
Furthermore, pointers are respectively arranged on one side close to each angle dial, and one end of each pointer is connected with the auxiliary support block.
Compared with the prior art, the utility model has the beneficial effects that:
according to the knee joint force line measuring device, the tibia rotation angle can be accurately measured and the force line rod can be used for determining the knee joint force line of the patient through the force line rod assembly and the angle measuring assembly, the knee joint force line measuring device is simple to operate, the measuring error is reduced, the knee joint force line measuring device is very practical, the orthopaedic medical requirements are met, the knee joint force line measuring device can be used for measuring different single living bodies compared with corpse measurement, the knee joint force line measuring device has practical significance for diseases of the patient, compared with CT medical image measurement, the cost of the device is lower, the device can be repeatedly used, and the cost is greatly saved in the aspect of measuring the tibia torsion angle.
The present invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the force beam assembly of the present invention;
FIG. 3 is a schematic structural diagram of an angle measuring assembly according to the present invention.
In the figure: 1. a force wire rod assembly; 11. a main support block; 12. a first arc-shaped clamping block; 13. a first spring; 14. an arc-shaped slide rail; 15. a cylindrical slider; 16. a porous rectangular block; 17. a force wire rod; 2. an angle measuring assembly; 21. a loop bar; 211. locking a positioning knob; 22. a telescopic rod; 23. a sub-mount block; 24. locking the nut; 25. a second arc-shaped clamping block; 26. a second spring; 27. a circular hole connection block; 28. an angle dial; 281. an arc-shaped opening; 29. a pointer.
Detailed Description
In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Please refer to fig. 1-3, a novel tibia rotation angle and lower limb force line combined measuring device, which comprises a force line rod assembly 1, wherein the force line rod assembly 1 comprises a main support block 11, two sides of the inner wall of the main support block 11 are respectively and rotatably connected with first arc-shaped clamping blocks 12, one end of each first arc-shaped clamping block 12 is provided with a first spring 13, one end of each first spring 13, which is far away from the first arc-shaped clamping block 12, is connected with the main support block 11, one side, which is close to the main support block 11, is provided with an angle measuring assembly 2, the angle measuring assembly 2 comprises a loop bar 21, a telescopic rod 22 is arranged in the loop bar 21, one ends of the loop bar 21 and the telescopic rod 22 are respectively provided with an auxiliary support block 23, two sides of the inner wall of each auxiliary support block 23 are respectively and rotatably connected with second arc-shaped clamping blocks 25, one end of each second arc-shaped clamping block 25 is provided with a second spring 26, every second spring 26 keeps away from second arc clamp splice 25 one end all with auxiliary stand piece 23 interconnect, is close to every auxiliary stand piece 23 one side all is provided with the round hole and links up the piece 27, every the round hole links up piece 27 and rotates with loop bar 21 and telescopic link 22 respectively and is connected, every the round hole links up piece 27 and all carries out the relatively fixed of position with loop bar 21 and telescopic link 22 respectively through the bolt, every all be provided with angulation calibrated scale 28 on the round hole links up piece 27.
Please refer to fig. 1 and fig. 2, wherein one side of the outer wall of one of the first arc-shaped clamping blocks 12 is provided with an arc-shaped sliding rail 14, the arc-shaped sliding rail 14 is provided with a cylindrical sliding block 15, the cylindrical sliding block 15 and the arc-shaped sliding rail 14 are fixed relatively by a bolt, one side of the outer wall of the cylindrical sliding block 15 is provided with a porous rectangular block 16, the porous rectangular block 16 is provided with a force line rod 17, and the force line rod 17 is used for realizing convenient comparison reference, reducing measurement errors and improving the satisfaction degree of patients.
Please refer to fig. 1 and fig. 3, each of the angle scales 28 is provided with an arc opening 281, each of the arc openings 281 is slidably connected to the line of force rod 17, each of the loop bar 21 and one end of the telescopic bar 22 is provided with a locking nut 24, the position of one end of the telescopic bar 22 and one end of the loop bar 21 is limited by the locking nut 24, one side of the outer wall of the loop bar 21 is provided with a locking and positioning knob 211, the position of the inner wall of the telescopic bar 22 and the loop bar 21 is fixed by the locking and positioning knob 211, one side of each of the angle scales 28 is provided with a pointer 29, and one end of each of the pointers 29 is connected to the sub-bracket block 23.
The specific operation mode of the utility model is as follows:
firstly, the ilium part of a patient is clamped by a first arc-shaped clamping block 12 in a force line rod component 1, a first spring 13 is tensioned, then the position of a force line rod 17 is adjusted by sliding a cylindrical slide block 15 along an arc-shaped slide rail 14, after the position is determined, the relative position of the cylindrical slide block 15 and the arc-shaped slide rail 14 is fixed by a bolt, comparison reference is carried out, then the length of the tibia of the patient is compared, the position relation between a telescopic rod 22 and a loop rod 21 is adjusted by a locking and positioning knob 211, the length is controlled, the distance between the upper end and the lower end is adjusted to be suitable for the length of the tibia of the patient, then the bolt on a circular hole connecting block 27 is loosened, the circular hole connecting block 27 is rotated, the needle point of a pointer 29 points to the position which is 0 degree in the middle of a lower end angle dial 28 and completely coincides with an upper end zeroing pointer 29 in the axial direction, the bolt is immediately screwed, and the circular hole connecting block 27 is kept still on the loop rod 21, then the tibia tubercle and the ankle joint of the patient are respectively clamped by a second arc-shaped clamping block 25 and tightly tensioned by a second spring 26, then the bolt on the lower end longitudinal circular hole connecting block 27 is loosened, the lower end circular hole connecting block 27 is rotated to carry out measurement, then the degree pointed by the pointer 29 is directly read on the lower end protractor dial 28, the outward rotation is a few degrees of outward rotation, and the inward rotation is a few degrees of inward rotation.
The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (7)
1. A novel tibia rotation angle and lower limb force line combined measuring device comprises a force line rod assembly (1) and is characterized in that the force line rod assembly (1) comprises a main support block (11), two sides of the inner wall of the main support block (11) are respectively and rotatably connected with first arc-shaped clamping blocks (12), one end of each first arc-shaped clamping block (12) is provided with a first spring (13), one end, far away from the first arc-shaped clamping block (12), of each first spring (13) is connected with the main support block (11), one side, close to the main support block (11), of each first spring (13) is provided with an angle measuring assembly (2), the angle measuring assembly (2) comprises a loop bar (21), a telescopic rod (22) is arranged in the loop bar (21), one ends of the loop bar (21) and the telescopic rod (22) are respectively provided with an auxiliary support block (23), two sides of the inner wall of each auxiliary support block (23) are respectively and rotatably connected with a second arc-shaped clamping block (25), every second arc clamp splice (25) one end all is provided with second spring (26), every second spring (26) are kept away from second arc clamp splice (25) one end and are all with vice support block (23) interconnect, are close to every vice support block (23) one side all is provided with the round hole and links up splice (27), every the round hole links up splice (27) and rotates with loop bar (21) and telescopic link (22) respectively and be connected, every the round hole links up and all is provided with angulation calibrated scale (28) on splice (27).
2. The novel tibia rotation angle and lower limb force line combined measuring device according to claim 1, wherein an arc-shaped sliding rail (14) is arranged on one side of the outer wall of one of the first arc-shaped clamping blocks (12), and a cylindrical sliding block (15) is arranged on the arc-shaped sliding rail (14).
3. The novel tibia rotation angle and lower limb force line combined measuring device according to claim 2, wherein a porous rectangular block (16) is arranged on one side of the outer wall of the cylindrical sliding block (15), and a force line rod (17) is arranged on the porous rectangular block (16).
4. The novel tibia rotation angle and lower limb force line combined measuring device according to claim 1, wherein each angle measuring dial (28) is provided with an arc-shaped opening (281), and each arc-shaped opening (281) is slidably connected with a force line rod (17).
5. The novel tibia rotation angle and lower limb force line combined measuring device according to claim 1, wherein one end of each of the loop bar (21) and the telescopic bar (22) is provided with a locking nut (24).
6. The novel tibia rotation angle and lower limb force line combined measuring device according to claim 5, wherein a locking and positioning knob (211) is arranged on one side of the outer wall of the loop bar (21).
7. The novel tibia rotation angle and lower limb force line combined measuring device according to claim 4, wherein a pointer (29) is respectively arranged on one side close to each angle dial (28), and one end of each pointer (29) is connected with the auxiliary support block (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121816957.5U CN215839051U (en) | 2021-08-05 | 2021-08-05 | Novel tibia rotation angle and lower limb force line combined measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121816957.5U CN215839051U (en) | 2021-08-05 | 2021-08-05 | Novel tibia rotation angle and lower limb force line combined measuring device |
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| CN215839051U true CN215839051U (en) | 2022-02-18 |
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| CN202121816957.5U Active CN215839051U (en) | 2021-08-05 | 2021-08-05 | Novel tibia rotation angle and lower limb force line combined measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115624366A (en) * | 2022-09-21 | 2023-01-20 | 北京长木谷医疗科技有限公司 | Detection system, method and device for positioning tool for knee joint replacement |
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2021
- 2021-08-05 CN CN202121816957.5U patent/CN215839051U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115624366A (en) * | 2022-09-21 | 2023-01-20 | 北京长木谷医疗科技有限公司 | Detection system, method and device for positioning tool for knee joint replacement |
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