CN218978912U - Patella activity measuring scale - Google Patents
Patella activity measuring scale Download PDFInfo
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- CN218978912U CN218978912U CN202223498786.3U CN202223498786U CN218978912U CN 218978912 U CN218978912 U CN 218978912U CN 202223498786 U CN202223498786 U CN 202223498786U CN 218978912 U CN218978912 U CN 218978912U
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Abstract
The utility model discloses a patella mobility measuring scale, which comprises a scale body, wherein scale values are arranged on the scale body, a transverse T-shaped chute is arranged on the scale body, a sliding block is arranged in the transverse T-shaped chute, an inner side moving scale is arranged on the sliding block, an inner side vertical chute is arranged on the inner side moving scale, and a first fastening screw is arranged in the inner side vertical chute; the scale body is also fixedly provided with an outer moving scale, the outer moving scale is provided with an outer vertical chute, and a second fastening screw is arranged in the outer vertical chute; the inner side moving ruler is provided with an inner side patella upper groove and an inner side patella lower groove, and the outer side moving ruler is provided with an outer side patella groove. The utility model has simple structure and convenient operation, and can clamp and measure the left and right diameters of the patella and measure the activity of the patella by a single person through the cooperation of the inner side moving ruler and the inner side moving ruler; the limited degree of the patella movement can be conveniently and quickly determined.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a patella activity measuring scale.
Background
At present, the patient with the fracture of the lower limb, particularly the patient with the fracture of the knee joint is mostly accompanied by the limited activity of the knee joint, and the patient with the limited knee joint is accompanied by the limited activity of the patella. At present, the patella activity degree is commonly used clinically for checking and evaluating, and is mostly judged by comparing the patella activity degree of the healthy side lower limb by adopting a visual observation method, so that the subjectivity of a person is too strong, and the quantification is insufficient. In clinic, the patella activity is measured by using length measuring tools such as a tape measure and a vernier caliper, however, the conventional measuring tool is not high in measurement accuracy due to lack of a measurement reference point, and at least two medical staff are required to finish the operation, so that the operation is excessively complicated. Therefore, it is necessary to provide a patella activity measuring scale which has a simple structure and is convenient to measure.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the patella activity measuring scale which has a simple structure and is convenient to measure.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: the scale comprises a scale body, wherein scale values are arranged on the scale body, a transverse T-shaped chute is arranged on the scale body, a sliding block is arranged in the transverse T-shaped chute, an inner side moving scale is arranged on the sliding block, an inner side vertical chute is arranged on the inner side moving scale, a first fastening screw is arranged in the inner side vertical chute, and the first fastening screw is fixedly penetrated on the sliding block; the scale body is also fixedly provided with an outer side movable scale, the outer side movable scale is provided with an outer side vertical chute, a second fastening screw is arranged in the outer side vertical chute, and the second fastening screw is fixed on the scale body; the inner side moving ruler is provided with an inner side patella upper groove and an inner side patella lower groove, and the outer side moving ruler is provided with an outer side patella groove.
Preferably, the sliding block comprises a T-shaped part matched with the transverse T-shaped sliding groove, a mounting part connected with the T-shaped part and a clamping part connected with the mounting part.
Preferably, the sliding block is provided with a first guide part matched with the inner vertical sliding groove, and the graduated scale body is provided with a second guide part matched with the outer vertical sliding groove; the first guide part and the second guide part are cylinders.
Preferably, the two ends of the graduated scale body are provided with baffle plates, and the baffle plates are adhered or spliced and fixed at the two ends of the graduated scale body.
Preferably, a plurality of fixing grooves matched with the first fastening screws are formed in the graduated scale body, and the fixing grooves are in a truncated cone shape.
Preferably, the first fastening screw and the first fastening screw have the same structure, the first fastening screw comprises a screw rod part and a round handle part, the screw rod part is fixedly connected with the round handle part, and knurling is further arranged on the periphery of the round handle part.
The beneficial effects of the utility model are as follows:
the inner side moving ruler is provided with the inner side patella upper groove and the inner side patella lower groove, the outer side moving ruler is provided with the outer side patella groove, and the left and right diameters of the patella can be clamped and measured through the cooperation of the inner side patella lower groove and the outer side patella groove; by sliding the lateral sliding ruler down to the bottommost portion, the patellar mobility can be measured with the medial patella superior trough.
The upper patella groove, the lower patella groove and the outer patella groove of the inner patella can be well attached to the patella, the patella is clamped by attaching after the grooves are matched, the patella can be moved by a single person, the left and right range of motion of the patella is measured, and the patella motion degree measuring work is convenient.
The utility model can measure the left and right diameters of the patella, fix the measured value and conveniently read, and simultaneously facilitate the rapid determination of the limited degree of the patella movement after the patella movement measurement activity.
The patella range-of-motion measuring ruler is simple in structure and operation, a single person can easily measure the patella range of motion, the measuring ruler has the patella range-of-motion marking function, the measuring accuracy is high, and the patella range-of-motion measuring ruler is worthy of clinical popularization and application.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a side view of the present utility model;
FIG. 3 is a schematic diagram illustrating the operation of the present utility model;
FIG. 4 is a second schematic diagram of the operation of the present utility model;
wherein the symbols of the components are as follows;
1. a scale body; 10. a transverse T-shaped chute; 2. an inner side moving ruler; 21. an inner vertical chute; 22. a medial patella upper groove; 23. medial patella lower groove; 3. an outside movable ruler; 31. an outer vertical chute; 32. a lateral patella groove;
4. a sliding block; 41. a T-shaped portion; 42. a clamping part; 43. a clamping part; 5. a first fastening screw; 6. a first guide part; 7. a second fastening screw; 8. a second guide part; 9. and a baffle.
Detailed Description
The following description of the embodiments of the present utility model is provided to facilitate understanding of the present utility model by those skilled in the art, but it should be understood that the present utility model is not limited to the scope of the embodiments, and all the utility models which make use of the inventive concept are protected by the spirit and scope of the present utility model as defined and defined in the appended claims to those skilled in the art.
As shown in fig. 1 and 2, the patella activity measuring scale comprises a scale body 1, wherein a scale value is arranged on the scale body 1, the scale value takes 1mm as a measuring unit, a transverse T-shaped chute 10 is arranged on the scale body 1, a sliding block 4 is arranged in the transverse T-shaped chute 10, an inner side moving scale 2 is arranged on the sliding block 4, an inner side vertical chute 21 is arranged on the inner side moving scale 2, a first fastening screw 5 is arranged in the inner side vertical chute 21, and the first fastening screw 5 is fixedly penetrated on the sliding block 4; the graduated scale body 1 is also fixedly provided with an outer side movable ruler 3, the outer side movable ruler 3 is provided with an outer side vertical chute 31, a second fastening screw 7 is arranged in the outer side vertical chute 31, and the second fastening screw 7 is fixed on the graduated scale body 1; medial sliding scale 2 is provided with medial superior patella groove 22 and medial inferior patella groove 23, and lateral sliding scale 3 is provided with lateral patella groove 32.
In the present embodiment, the slider 4 includes a T-shaped portion 41 fitted to the lateral T-shaped chute 10, a mounting portion 42 connected to the T-shaped portion 41, and a clamping portion 43 connected to the mounting portion 42. The T-shaped part 41 is matched with the transverse T-shaped chute 10 for limiting, so that the sliding block 4 has unidirectional guide rail movement characteristics; the mounting part 42 is convenient for being matched with the first fastening screw 5 to mount the inner side movable ruler 2; the inner side movable ruler 2 is contacted with the side wall of the graduated scale body 1, so that the graduated scale body 1 is better utilized to guide the sliding block 4.
In the embodiment, the sliding block 4 is provided with a first guiding part 6 matched with the inner side vertical sliding groove 21, and the graduated scale body 1 is provided with a second guiding part 8 matched with the outer side vertical sliding groove 31; the first guide 6 and the second guide 8 are cylindrical. The first guide part 6 is matched with the first fastening screw 5, has a good guiding and limiting effect on the inner side vertical sliding groove 21, reduces left and right shaking of the inner side movable ruler 2, and improves measurement accuracy; the second guiding part 8 is matched with the second fastening screw 7, so that the outer vertical sliding groove 31 has a good guiding and limiting effect, the left and right shaking of the inner moving ruler 2 is reduced, the left and right shaking of the measuring precision is improved, and the measuring precision is improved.
In this embodiment, the two ends of the scale body 1 are provided with the baffle plates 9, and the baffle plates 9 are adhered or inserted and fixed at the two ends of the scale body 1. The baffle 9 is used for preventing the T-shaped part 41 of the sliding block 4 from falling out, and ensuring the normal left-right sliding of the sliding block 4.
In this embodiment, a plurality of fixing grooves matched with the first fastening screw 5 are formed in the scale body 1, and the fixing grooves are in a shape of a truncated cone. The cooperation is a plurality of, passes slider 4 with first fastening screw 5 knob back, forms joint cooperation through slider 4's tip and fixed groove to play the fixed action to slider 4 and inboard movable scale 2, conveniently with inboard movable scale 2 and scale body 1 fixed connection.
In this embodiment, the first fastening screw 5 and the first fastening screw 5 have the same structure, the first fastening screw 5 includes a screw portion and a round portion, the screw portion and the round portion are fixedly connected, and a knurling is further provided on the periphery of the round portion.
The first fastening screw 5 mainly controls the inner side movable ruler 2 to move up and down and left and right, the first fastening screw 5 rotates the second fastening screw 7 clockwise, the first fastening screw 5 is screwed into the graduated scale body 1, the first fastening screw 5 compresses the inner side movable ruler 2, and meanwhile the inner side movable ruler 2 and the graduated scale body 1 are clamped and fixed; the second fastening screw 7 is rotated anticlockwise, the first fastening screw 5 is screwed out of the graduated scale body 1, the inner side movable scale 2 and the graduated scale body 1 are clamped and disconnected, meanwhile, the compression of the inner side movable scale 2 of the first fastening screw 5 is loosened, and the inner side movable scale 2 can move in the inner side vertical chute 21 and the transverse T-shaped chute 10
The second fastening screw 7 mainly controls the outside movable ruler 3 to move up and down in the outside vertical chute 31, the second fastening screw 7 rotates clockwise, and the second fastening screw 7 tightly presses and fixes the outside movable ruler 2 on the graduated scale body 1; the second fastening screw 7 is rotated anticlockwise, the second fastening screw 7 is used for pressing and loosening the inner moving ruler 2, and the inner moving ruler 2 can slide on the outer vertical sliding groove 31.
The working principle and the process thereof are as follows: the patella left-right diameter measurement is shown in fig. 3, the outside movable ruler 3 is fixed, the first fastening screw 5 is adjusted to screw out the graduated scale body 1, the sliding block 4 is disconnected from the graduated scale body 1 and fixedly connected, the sliding block 4 can slide left and right on the graduated scale body 1, meanwhile, the inside movable ruler 2 can slide up and down on the sliding block 4, at the moment, the second fastening screw 7 is tightened, the outside movable ruler 3 can move up and down on the graduated scale body 1, when the patella left-right diameter is measured, the inside patella lower groove 23 on the inside movable ruler 2 and the outside patella groove 32 on the outside movable ruler are respectively clamped on the left side and the right side of the patella, the inside patella lower groove 23 is in point contact with the left side of the patella, the outside patella groove 32 is in point contact with the right side of the patella, a scale value a corresponding to the lowest point of the inside patella lower groove 23 on the graduated scale body 1 is read, a scale value b corresponding to the outside patella groove 32 on the scale body 1 is read, and the difference value of b-a is calculated as the patella left-right diameter value. The patella activity is measured, as shown in fig. 4, the second fastening screw 7 is screwed and loosened, so that the outside moving ruler 3 can slide up and down under the action of the second fastening screw 7 and the second guiding part 8, and the outside moving ruler 3 is moved when the patella activity is measuredThe ruler 3 slides down to the bottommost part, so that the upper part of the outer side movable ruler 3 can not influence the measurement of the inner side patella upper groove 22 on the inner side movable ruler 2, when the patella activity measurement is measured, the inner side patella upper groove 3 on the inner side movable ruler 2 is abutted against one side of the patella, for example, the inner side patella upper groove 3 is abutted against the left side of the patella, the lowest point of the inner side patella upper groove 3 is the zero position on the scale body 1, the patella is driven to move leftwards by pushing the outer side patella groove 32 by utilizing proper thrust, and when the patella can not move leftwards, the scale value L of the lowest point of the outer side patella groove 32 on the scale body 1 is read z ，L z Namely the value when the patella moves leftwards, the measurement method for measuring the patella moves rightwards is similar to L y Finally through L z 、L y The activity degree of the patella is judged by the value, so that the limited degree of the movement of the patella is conveniently determined.
Claims (6)
1. The patella activity measuring scale is characterized by comprising a scale body (1), wherein scale values are arranged on the scale body (1), a transverse T-shaped chute (10) is arranged on the scale body (1), a sliding block (4) is arranged in the transverse T-shaped chute (10), an inner side moving scale (2) is arranged on the sliding block (4), an inner side vertical chute (21) is arranged on the inner side moving scale (2), a first fastening screw (5) is arranged in the inner side vertical chute (21), and the first fastening screw (5) is fixedly penetrated on the sliding block (4); an outer side movable ruler (3) is further fixed on the graduated scale body (1), an outer side vertical sliding groove (31) is formed in the outer side movable ruler (3), a second fastening screw (7) is arranged in the outer side vertical sliding groove (31), and the second fastening screw (7) is fixed on the graduated scale body (1);
the medial movement ruler (2) is provided with a medial patella upper groove (22) and a medial patella lower groove (23), and the lateral movement ruler (3) is provided with a lateral patella groove (32).
2. The patella activity measuring scale according to claim 1, wherein the sliding block (4) comprises a T-shaped portion (41) configured with the transverse T-shaped sliding groove (10), a mounting portion (42) connected with the T-shaped portion (41), and a clamping portion (43) connected with the mounting portion (42).
3. The patella activity measuring scale according to claim 1, characterized in that the sliding block (4) is provided with a first guiding part (6) matched with the inner vertical sliding groove (21), and the scale body (1) is provided with a second guiding part (8) matched with the outer vertical sliding groove (31); the first guide part (6) and the second guide part (8) are cylinders.
4. The patella activity measuring scale according to claim 1, wherein two ends of the scale body (1) are provided with baffle plates (9), and the baffle plates (9) are adhered or inserted and fixed at two ends of the scale body (1).
5. The patella activity measuring scale according to claim 1, wherein the scale body (1) is provided with a plurality of fixing grooves matched with the first fastening screw (5), and the fixing grooves are in a shape of a truncated cone.
6. The patella activity measuring scale according to claim 1, wherein the first fastening screw (5) and the first fastening screw (5) have the same structure, the first fastening screw (5) comprises a screw portion and a round portion, the screw portion and the round portion are fixedly connected, and knurling is further provided on the periphery of the round portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223498786.3U CN218978912U (en) | 2022-12-27 | 2022-12-27 | Patella activity measuring scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223498786.3U CN218978912U (en) | 2022-12-27 | 2022-12-27 | Patella activity measuring scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218978912U true CN218978912U (en) | 2023-05-09 |
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ID=86191505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223498786.3U Active CN218978912U (en) | 2022-12-27 | 2022-12-27 | Patella activity measuring scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218978912U (en) |
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2022
- 2022-12-27 CN CN202223498786.3U patent/CN218978912U/en active Active
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