CN210019340U - Measuring scale - Google Patents
Measuring scale Download PDFInfo
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- CN210019340U CN210019340U CN201920262984.9U CN201920262984U CN210019340U CN 210019340 U CN210019340 U CN 210019340U CN 201920262984 U CN201920262984 U CN 201920262984U CN 210019340 U CN210019340 U CN 210019340U
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Abstract
The utility model mainly aims at providing a measuring scale, which comprises a graduated scale, a pointer and a measuring rod, wherein the graduated scale is provided with a plurality of measuring scales; the pointer and the graduated scale are arranged in a relatively swinging manner, so that the pointer indicates corresponding measurement scales on the graduated scale; the measuring rod is used for being correspondingly matched with the tibia osteotomy plane and is connected with the graduated scale or the pointer so as to drive the graduated scale or the pointer to swing, and the back inclination angle of the tibia osteotomy plane is obtained through the graduated scale and the pointer. The utility model provides a dipperstick can accurately reflect the planar inclination of shin bone osteotomy through measuring stick and the cooperation of shin bone osteotomy plane to indicate corresponding scale on the scale through the pointer, make that measurement personnel can be accurate reachs the planar caster angle of shin bone osteotomy, solved among the prior art can not cut the planar caster angle of shin bone osteotomy and carry out the problem of accurate measurement.
Description
Technical Field
The utility model relates to the field of medical equipment, particularly, relate to a dipperstick.
Background
In artificial knee replacement surgery, the posterior slope of the tibial osteotomy plane is one of the important dimensions for performing total knee replacement. Errors can occur due to the retroversion angle of the resected tibial resection plane, resulting in reduced surgical quality and even failure of the procedure, presenting unforeseen catastrophic risks. At this time, a safe, simple and easy-to-use measuring tool is needed to accurately measure whether the retroversion angle of the osteotomy plane of the tibial plateau intercepted in the operation is accurate in time, so that a doctor can correct the possible error by taking the measurement result as reference.
In the existing total knee replacement, because no special measuring tool is provided, doctors can not measure the tibial osteotomy plane back inclination angle frequently or can only carry out visual inspection, the operation process is easy to generate risks, the operation quality is reduced, more pain is brought to patients, and the operation process cannot be tolerated.
Although companies can provide simple tools without a scale to solve this problem, the effect is not good due to the limitations of the method of use and the like.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a dipperstick to solve and to carry out the problem of precision measurement to shin bone osteotomy plane caster among the prior art.
In order to achieve the above object, the utility model provides a measuring scale, include: the scale comprises a graduated scale, a pointer and a measuring rod, wherein the graduated scale is provided with a plurality of measuring scales; the pointer and the graduated scale are arranged in a relatively swinging manner, so that the pointer indicates corresponding measurement scales on the graduated scale; the measuring rod is used for being correspondingly matched with the tibia osteotomy plane and is connected with the graduated scale or the pointer so as to drive the graduated scale or the pointer to swing, and the back inclination angle of the tibia osteotomy plane is obtained through the graduated scale and the pointer.
Furthermore, the graduated scale is provided with a mounting hole for mounting the measuring rod, and the measuring rod is slidably arranged in the mounting hole in a penetrating manner so as to drive the graduated scale to swing.
Furthermore, a measuring plate is arranged on the measuring rod, and the measuring rod is in contact with the tibia osteotomy plane through the measuring plate.
Furthermore, the measuring rod comprises a straight rod section and a bent pipe section, and the straight rod section is connected with the graduated scale in a sliding manner; one end of the bent pipe section is connected with the straight rod section, and the measuring plate is arranged at the other end of the bent pipe section.
Further, the scale includes interconnect's installation department and the scale portion that is provided with the measurement scale, and the measuring stick wears to establish on the installation department slidable to drive the scale swing.
Furthermore, a connecting pin is arranged on the pointer and the mounting part in a penetrating mode, so that the pointer and the graduated scale can be arranged relatively in a swinging mode.
Further, the measuring scale further comprises a sleeve, at least part of the pointer being vertically position-adjustably mounted within the sleeve to adjust the vertical height of the pointer.
Further, the measuring scale also comprises a locking member, the locking member is arranged on the sleeve, and at least part of the locking member is connected with the pointer so as to lock the pointer in the sleeve.
Furthermore, a locking and positioning part is arranged on the sleeve, a positioning threaded hole is formed in the locking and positioning part, and the locking part is provided with a screw rod part matched with the positioning threaded hole; the positioning threaded hole extends in the radial direction of the sleeve so that the end of the screw portion abuts against the pointer.
Further, the pointer has a fixing portion and an indicating portion for indicating the measurement scale, the indicating portion being located above the fixing portion, the fixing portion being inserted in the sleeve to adjust a vertical height of the pointer by adjusting a length of the fixing portion inserted in the sleeve.
Furthermore, the indicating part and the fixing part are both rod-shaped, and the indicating part and the fixing part are arranged in parallel; the pointer has an avoidance portion located between the indicating portion and the fixed portion to connect the indicating portion and the fixed portion.
The measuring scale applying the technical scheme of the utility model comprises a graduated scale, a pointer and a measuring rod, wherein the measuring rod is connected with the graduated scale or the pointer, when in measurement, the measuring rod is rotated and matched with the tibia osteotomy plane, and the measuring rod drives the graduated scale or the pointer to rotate when rotating, so that the graduated scale and the pointer form mutual rotation, at the moment, the scale indicated by the pointer on the graduated scale is the angle of mutual rotation of the graduated scale and the pointer, and the scale is also the retroversion angle of the tibia osteotomy plane; the utility model discloses a dipperstick can accurately reflect the planar inclination of shin bone osteotomy through measuring stick and the cooperation of shin bone osteotomy plane to indicate corresponding scale on the scale through the pointer, make that measurement personnel can be accurate reachs the planar back inclination of shin bone osteotomy.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural view of a measuring ruler according to the present invention;
fig. 2 shows a usage status diagram of the measuring ruler of the present invention when measuring the posterior inclination angle of the tibial osteotomy plane.
Wherein the figures include the following reference numerals:
1. a graduated scale; 11. an installation part; 12. a scale section; 2. a measuring rod; 21. a straight pole section; 22. bending the pipe section; 3. measuring a plate; 4. a sleeve; 41. locking the positioning part; 5. a locking member; 51. a screw section; 6. a tibial osteotomy plane; 7. a pointer; 71. an indicating section; 72. a fixed part; 73. an avoidance part; 8. a pin.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The utility model provides a measuring scale please refer to fig. 1 and fig. 2, and the measuring scale includes: the scale comprises a graduated scale 1, a pointer 7 and a measuring rod 2, wherein a plurality of measuring scales are arranged on the graduated scale 1; the pointer 7 is arranged opposite to the graduated scale 1 in a swinging mode, so that the pointer 7 indicates corresponding measuring scales on the graduated scale 1; the measuring rod 2 is used for being correspondingly matched with the tibia osteotomy plane 6, and the measuring rod 2 is connected with the graduated scale 1 or the pointer 7 so as to drive the graduated scale 1 or the pointer 7 to swing, and the back inclination angle of the tibia osteotomy plane 6 can be obtained through the graduated scale 1 and the pointer 7.
The utility model provides a measuring scale includes scale 1, pointer 7 and measuring stick 2, measuring stick 2 is connected with scale 1 or pointer 7, when measuring, rotate measuring stick 2 and cooperate with shin bone osteotomy plane 6, measuring stick 2 drives scale 1 or pointer 7 to rotate when rotating, thereby form the rotation each other between messenger scale 1 and the pointer 7, at this moment, the angle that pointer 7 turned over for scale 1 is the angle of scale and pointer 7 rotation each other, and then can obtain the back dip angle of shin bone osteotomy plane 6 according to the measurement scale that pointer 7 points out; the utility model discloses a dipperstick can accurately reflect the inclination that the shin bone cut plane 6 through measuring stick 2 and the cooperation of shin bone cut plane 6 to indicate corresponding scale on the scale through the pointer, make that measurement personnel can be accurate reach the back inclination that the shin bone cut plane.
In order to facilitate the installation of the measuring rod 2, as shown in fig. 1 and fig. 2, the graduated scale 1 is provided with an installation hole for installing the measuring rod 2, and the measuring rod 2 is slidably arranged in the installation hole in a penetrating manner, so that the measuring rod 2 drives the graduated scale 1 to swing.
In this embodiment, select to be connected measuring stick 2 and scale 1, concrete mounting hole that is provided with installation measuring stick 2 on scale 1, measuring stick 2 wears to establish in the mounting hole slidable, and measuring stick 2 drives scale 1 and rotates thereupon when rotating, and pointer 7 is motionless this moment, and pointer 7 indicates the relative pointer 7 angle of changeing of scale 1, and this angle is the back inclination of shin bone osteotomy plane 6 promptly.
As shown in fig. 2, the measuring rod 2 is provided with a measuring plate 3, and the measuring rod 2 is contacted with the tibia osteotomy plane 6 through the measuring plate 3.
In this embodiment, thereby set up measuring plate 3 on measuring stick 2 and better make measuring stick 2 and shin bone plane 6 of cutting cooperate, measuring stick 2 can reflect out the back inclination on shin bone plane of cutting accurately through measuring plate 3 and the contact of shin bone plane 6 of cutting.
Preferably, the measuring plate 3 has a measuring surface which matches the tibial osteotomy plane, and when the measuring surface is completely fitted to the tibial osteotomy plane 6, the pointer 7 indicates a scale indicating the posterior slope of the tibial osteotomy plane 6.
The measuring rod 2 comprises a straight rod section 21 and a bent pipe section 22, and the straight rod section 21 is slidably connected with the graduated scale 1; one end of the bent pipe section 22 is connected to the straight rod section 21, and the measuring plate 3 is provided at the other end of the bent pipe section 22.
As shown in fig. 2, in this embodiment, the measuring rod 2 is divided into a straight rod section 21 and a bent pipe section 22, and the straight rod section 21 is slidably disposed on the scale 1, so as to facilitate the sliding connection between the measuring rod 2 and the scale 1; the elbow section 22 is provided with the measurement plate 3 so that the measurement plate 3 can be conveniently matched with the tibial osteotomy plane 6.
The graduated scale 1 includes interconnect's installation department 11 and is provided with the scale portion 12 of measuring the scale, and measuring stick 2 wears to establish on installation department 11 slidable to drive the swing of graduated scale 1.
As shown in fig. 2, the scale 1 in the present embodiment includes an installation portion 11 and a scale portion 12, the installation portion is connected to the measuring rod 2 to realize the sliding connection between the measuring rod 2 and the installation portion 11, and the scale portion 12 is provided with a plurality of measurement scales.
Preferably, the scale on the scale 1 ranges from 0 to 20 degrees, and the pointer 7 indicates a measurement scale on the scale 1 displaying 0 degrees when the measurement plate 3 is parallel to the horizontal plane.
In order to achieve the connection between the pointer 7 and the scale 1, as shown in fig. 2, a connecting pin 8 is inserted through the pointer 7 and the mounting portion 11 so that the pointer 7 and the scale 1 are relatively swingably disposed.
In this embodiment, a pin 8 is provided between the pointer 7 and the mounting portion 11 to facilitate the hinged connection between the pointer 7 and the scale 1.
The measuring scale further comprises a sleeve 4, at least part of the pointer 7 being vertically position-adjustably mounted within the sleeve 4 for adjusting the vertical height of the pointer 7.
As shown in fig. 1 and 2, the measuring scale of the present invention further includes a sleeve 4, and the pointer 7 is adjustably installed in the sleeve 4, so as to adjust the vertical height of the pointer 7, and further conveniently measure the tibial osteotomy plane back-tilt angle of different heights.
The measuring stick further comprises a retaining member 5, the retaining member 5 being mounted on the sleeve 4, at least part of the retaining member 5 being connected to the pointer 7 to retain the pointer 7 within the sleeve 4.
In this embodiment, after the height of the pointer 7 is adjusted, the pointer 7 is locked on the sleeve 4 by the locking member 5, thereby achieving the connection between the pointer 7 and the sleeve 4.
The sleeve 4 is provided with a locking and positioning part 41, the locking and positioning part 41 is provided with a positioning threaded hole, and the locking part 5 is provided with a screw rod part 51 matched with the positioning threaded hole; the positioning screw hole extends in the radial direction of the sleeve 4 so that the end of the screw portion 51 abuts the pointer 7.
As shown in fig. 1 and 2, the sleeve 4 is provided with the locking and positioning portion 41, the locking member 5 is provided with the screw portion 51 matched with the locking and positioning portion, and the screw portion 51 of the locking member is screwed into the positioning threaded hole of the locking and positioning portion 41, so that the specific connection between the locking member and the sleeve is realized.
The pointer 7 has a fixing portion 72 and an indicating portion 71 for indicating a measurement scale, the indicating portion 71 being located above the fixing portion 72, the fixing portion 72 being inserted in the sleeve 4 to adjust the vertical height of the pointer 7 by adjusting the length of insertion of the fixing portion 72 into the sleeve 4.
As shown in fig. 1, the pointer 7 comprises a fixing part 72 and an indicating part 71, the pointer 7 is connected by inserting the fixing part 72 into the sleeve 4, the pointer is fixed in the sleeve by a locking part, and an indicating part 71 for indicating the scale on the scale is further arranged on the pointer, wherein the indicating part 71 is a conical tip so as to facilitate a measurer to accurately indicate the scale indicated by the indicating part.
The indicating part 71 and the fixing part 72 are both rod-shaped, and the indicating part 71 and the fixing part 72 are arranged in parallel; the pointer 7 has a relief portion 73, and the relief portion 73 is located between the indicating portion 71 and the fixed portion 72 to connect the indicating portion 71 and the fixed portion 72. Preferably, the escape part 73 is a bent rod, so that escape to other components can be realized.
As shown in fig. 1, the pointer 7 further includes a bypass portion 73, the bypass portion 73 is located between the indicating portion 71 and the fixing portion 72, and the structural position between the indicating portion 71 and the fixing portion 72 is changed to make the measuring scale more adaptable, and the indicating portion 71 and the fixing portion 72 are arranged in parallel to facilitate height adjustment.
The utility model provides a dipperstick comprises scale 1, measuring stick 2, measuring board 3, sleeve 4, retaining member 5, pointer 7 and connecting pin 8. The measuring rod 2 is fixedly connected with the measuring plate 3. Measuring stick 2 and 1 sliding connection of scale guarantee under various circumstances measuring board 3 can completely cut the plane laminating of bone with the shin bone, and it is great if patient's shin bone tuberosity. The scale pointer 7 is connected with the scale 1 through the connecting pin 8, when the measuring plate 3 can be completely attached to the tibia osteotomy plane, the scale pointer 7 swings to a designated position and indicates the tibia osteotomy plane back inclination angle, the scale range is 0-15 degrees, the maximum scale range can be 20 degrees, and the measuring range is enough for accurately reading the tibia osteotomy plane back inclination angles of various sizes.
The scale pointer 7 is designed in a bending mode, so that the scale pointer 7 can be prevented from interfering with the natural tissues of a patient, and the swing amplitude of the scale pointer 7 can be amplified to enable the measurement to be more accurate. The sleeve 4 is connected with the scale pointer 7 in a sliding way and can be locked by a locking piece 5. The measuring scale designed by the utility model can be applied to the measurement of the retroversion angle of the tibial osteotomy plane under various conditions, such as the operation condition that the tibia of a patient is longer or shorter.
In addition, scale 1, measuring stick 2, measuring board 3, sleeve 4, retaining member 5, pointer 7 and pin 8 are made for medical stainless steel material, the utility model discloses furthest's assurance operation quality and safety practice thrift the operation time.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
(1) the utility model discloses the dipperstick, simple structure makes easily.
(2) The utility model discloses the dipperstick can measure shin bone osteotomy plane caster, and is simple, safe, measure accurately.
(3) The utility model discloses the measuring stick and the scale sliding connection design of dipperstick, this kind of connection can guarantee under the various circumstances that the measuring board can cut the plane laminating with the shin bone completely.
(4) The utility model discloses dipperstick pointer swings the assigned position and instructs the design of shin bone osteotomy plane caster angle, guarantees the shin bone osteotomy plane caster angle of the various sizes of accurate measurement.
(5) The utility model discloses the crooked design of dipperstick scale pointer, this kind of design can avoid scale pointer and patient's natural tissue to take place to interfere, also can enlarge the pointer amplitude of oscillation and make the measurement more accurate.
(6) The utility model discloses dipperstick sleeve design guarantees that the shin bone under the various circumstances of accurate measurement cuts bone plane caster angle and measures.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A measuring scale, comprising:
the scale comprises a graduated scale (1), wherein a plurality of measuring scales are arranged on the graduated scale (1);
the pointer (7) is arranged opposite to the graduated scale (1) in a swinging mode, so that the pointer (7) indicates corresponding measuring scales on the graduated scale (1);
the measuring rod (2) is used for being correspondingly matched with the tibia osteotomy plane (6), and the measuring rod (2) is connected with the graduated scale (1) or the pointer (7) to drive the graduated scale (1) or the pointer (7) to swing so as to obtain a back inclination angle of the tibia osteotomy plane (6) through the graduated scale (1) and the pointer (7).
2. The measuring scale according to claim 1, wherein the graduated scale (1) is provided with a mounting hole for mounting the measuring rod (2), and the measuring rod (2) is slidably inserted into the mounting hole, so that the measuring rod (2) drives the graduated scale (1) to swing.
3. The measuring ruler of claim 1, wherein said measuring rod (2) is provided with a measuring plate (3), said measuring rod (2) being in contact with said tibial osteotomy plane (6) through said measuring plate (3).
4. The measuring scale according to claim 3, wherein the measuring rod (2) comprises a straight rod section (21) and a bent tube section (22), the straight rod section (21) being slidably connected with the scale (1); one end of the bent pipe section (22) is connected with the straight rod section (21), and the measuring plate (3) is arranged at the other end of the bent pipe section (22).
5. The measuring ruler of claim 1, wherein the graduated scale (1) comprises an installation part (11) and a graduated part (12) provided with the measuring graduation, which are connected with each other, and the measuring rod (2) is slidably arranged on the installation part (11) in a penetrating way to drive the graduated scale (1) to swing.
6. The measuring rule according to claim 5, characterized in that a connecting pin (8) is pierced on the pointer (7) and on the mounting portion (11) so that the pointer (7) and the graduated scale (1) are relatively swingably arranged.
7. The measuring scale as defined in claim 1, further comprising:
a sleeve (4), at least part of the pointer (7) being vertically position-adjustably mounted within the sleeve (4) to adjust the vertical height of the pointer (7).
8. The measuring ruler of claim 7, characterized in that it further comprises a locking member (5), said locking member (5) being mounted on said sleeve (4), at least part of said locking member (5) being connected with said pointer (7) to lock said pointer (7) inside said sleeve (4).
9. The measuring rule according to claim 8, characterized in that the sleeve (4) is provided with a locking and positioning portion (41), the locking and positioning portion (41) is provided with a positioning threaded hole, the locking member (5) has a screw portion (51) matching with the positioning threaded hole; the positioning threaded hole extends in the radial direction of the sleeve (4) so that the end of the screw portion (51) abuts against the pointer (7).
10. The measuring scale according to claim 7, characterized in that said cursor (7) has a fixed portion (72) and an indicating portion (71) for indicating said measuring scale, said indicating portion (71) being located above said fixed portion (72), said fixed portion (72) being inserted inside said sleeve (4) to adjust the vertical height of said cursor (7) by adjusting the length of insertion of said fixed portion (72) inside said sleeve (4).
11. The measuring rule according to claim 10, characterized in that said indicating portion (71) and said fixed portion (72) are both rod-shaped, said indicating portion (71) being arranged parallel to said fixed portion (72); the pointer (7) has an escape portion (73), and the escape portion (73) is located between the indicating portion (71) and the fixing portion (72) to connect the indicating portion (71) and the fixing portion (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920262984.9U CN210019340U (en) | 2019-03-01 | 2019-03-01 | Measuring scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920262984.9U CN210019340U (en) | 2019-03-01 | 2019-03-01 | Measuring scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210019340U true CN210019340U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920262984.9U Active CN210019340U (en) | 2019-03-01 | 2019-03-01 | Measuring scale |
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| CN (1) | CN210019340U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109770909A (en) * | 2019-03-01 | 2019-05-21 | 北京大学人民医院 | Measuring scale |
| CN113203340A (en) * | 2021-04-19 | 2021-08-03 | 中国兵器工业集团航空弹药研究院有限公司 | Measuring tool for detecting appearance and length of high-temperature parabolic cylinder part |
-
2019
- 2019-03-01 CN CN201920262984.9U patent/CN210019340U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109770909A (en) * | 2019-03-01 | 2019-05-21 | 北京大学人民医院 | Measuring scale |
| CN113203340A (en) * | 2021-04-19 | 2021-08-03 | 中国兵器工业集团航空弹药研究院有限公司 | Measuring tool for detecting appearance and length of high-temperature parabolic cylinder part |
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