CN111759398A - Osteotomy ruler for pelvic osteotomy and measuring method - Google Patents
Osteotomy ruler for pelvic osteotomy and measuring method Download PDFInfo
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- CN111759398A CN111759398A CN202010689470.9A CN202010689470A CN111759398A CN 111759398 A CN111759398 A CN 111759398A CN 202010689470 A CN202010689470 A CN 202010689470A CN 111759398 A CN111759398 A CN 111759398A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000005259 measurement Methods 0.000 claims abstract description 26
- 230000007547 defect Effects 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 3
- 230000002950 deficient Effects 0.000 abstract description 2
- 210000000988 bone and bone Anatomy 0.000 description 7
- 210000004197 pelvis Anatomy 0.000 description 6
- 210000001621 ilium bone Anatomy 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 206010058314 Dysplasia Diseases 0.000 description 1
- 241000277284 Salvelinus fontinalis Species 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000001624 hip Anatomy 0.000 description 1
- 230000003387 muscular Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/16—Instruments for performing osteoclasis; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
- A61B17/1742—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/16—Instruments for performing osteoclasis; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1732—Guides or aligning means for drills, mills, pins or wires for bone breaking devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/061—Measuring instruments not otherwise provided for for measuring dimensions, e.g. length
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/067—Measuring instruments not otherwise provided for for measuring angles
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Dentistry (AREA)
- Pathology (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention belongs to the technical field of pelvic osteotomy, and relates to an osteotomy ruler and a measuring method for pelvic osteotomy, wherein the osteotomy ruler comprises a ruler, a 180-degree protractor, a 90-degree protractor and a measuring line; the ruler is vertically and fixedly arranged with the 180-degree protractor, and the 0 scale on the ruler is aligned with the 0 scale of the 180-degree protractor; the rotary shaft is connected to the 0-degree position of the 180-degree protractor and is perpendicular to the 180-degree protractor, and the protractor positioning rod is connected to the front part of the rotary shaft; the rear part of the rotating shaft penetrates through the 180-degree protractor and is provided with a locking piece for locking the rotating shaft to rotate, the bottom of the 90-degree protractor is sleeved on the rotating shaft, the 90-degree protractor is positioned between the straight scale and the 180-degree protractor, and the plane where the 90-degree protractor is positioned is mutually vertical to the plane where the 180-degree protractor is positioned; the measuring line is arranged at the 0 scale of the 90-degree protractor in a matching mode through the measuring fixing piece, and angle measurement is carried out on the 90-degree protractor through the measuring line. The advantage of this patent is that the realization promotes accuracy nature and convenience among the measurement process to the defective three-dimensional measurement of V type.
Description
Technical Field
The invention belongs to the technical field of pelvic osteotomy, and particularly relates to an osteotomy ruler for pelvic osteotomy and a measuring method.
Background
Developmental Dysplasia of Hip (DDH) is one of the most common diseases of skeletal muscular system of infants, Salter osteotomy is the first surgical and golden standard for early surgical correction of DDH, and is characterized in that osteotomy is performed from anterior inferior iliac spine to large sciatic incisura, the far end of the osteotomy is rotated outwards, forwards and downwards, so that a V-shaped defect exists at the far end and the near end of the osteotomy, and then a bone block is cut from the iliac spine and embedded into the V-shaped defect at the pelvic osteotomy.
In the pelvis osteotomy, the osteotomy distal end needs to rotate outwards, forwards and downwards, so that three-dimensional measurement is needed for the V-shaped defect, however, in the current pelvis osteotomy process, a measuring tool can only measure two-dimensional length, so that the three-dimensional measurement needs to be carried out for a plurality of times at different angles, measurement errors are easy to occur in the measurement process, and a lot of troubles are also added to medical staff in the operation.
Disclosure of Invention
The invention aims to solve the problem of inconvenient measurement of V-shaped defects in the existing pelvis osteotomy, and provides an osteotomy ruler for the pelvis osteotomy, which realizes the three-dimensional measurement of the V-shaped defects, improves the convenience and the accuracy of the measurement of the V-shaped defects,
for the purpose of the invention, the following technical scheme is adopted for realizing the purpose:
an osteotomy ruler for pelvic osteotomy, the osteotomy ruler comprising a straight ruler, a 180 ° protractor, a 90 ° protractor and a measuring line; the ruler is vertically and fixedly arranged with the 180-degree protractor, and the 0 scale on the ruler is aligned with the 0 scale of the 180-degree protractor; the rotary shaft is connected to the 0-degree position of the 180-degree protractor and is perpendicular to the 180-degree protractor, and the protractor positioning rod is connected to the front part of the rotary shaft; the rear part of the rotating shaft penetrates through the 180-degree protractor and is provided with a locking piece for locking the rotating shaft to rotate, the bottom of the 90-degree protractor is sleeved on the rotating shaft, the 90-degree protractor is positioned between the straight scale and the 180-degree protractor, and the plane where the 90-degree protractor is positioned is mutually vertical to the plane where the 180-degree protractor is positioned; the measuring line is arranged at the 0 scale of the 90-degree protractor in a matching mode through the measuring fixing piece, and angle measurement is carried out on the 90-degree protractor through the measuring line.
Preferably, the straightedge is made of steel, the scale length on the straightedge is 10cm, and the minimum scale is 1 mm.
Preferably, the 180 ° protractor is made of steel, has a diameter of 8cm and a minimum scale of 1 mm.
Preferably, the 90 ° protractor is made of bendable material; the radius of the 90-degree protractor is 4cm, and the minimum scale is 1 mm.
Preferably, the locking member is locked by means of a locking screw.
Preferably, the measuring fixture is a set screw.
Preferably, the measuring wire is a steel wire, the length of the steel wire is 10cm, one end of the measuring wire is wound on the measuring fixing piece, and the other end of the measuring wire is fixed on an outer ring of the 90-degree protractor in a bending mode after moving and determining.
Preferably, when in use, the 90-degree protractor and the measuring line are all disposable detachable articles.
A measuring method of an osteotomy ruler for a pelvic osteotomy comprises the following steps in sequence: when the bone cutting ruler is used, the disposable 90-degree protractor is sleeved on the rotating shaft, one end of the disposable measuring line is wound on the measuring fixing piece, when in measurement, the position of one end of the V-shaped defect is determined by the straight ruler on the bone cutting ruler, one end of the straight ruler is tightly attached to the position of one end of the V-shaped defect, and the length is measured; the downward and outward angles are determined after the 90-degree protractor rotates on the 180-degree protractor, the protractor positioning rod is fixed through the locking piece, and the 90-degree protractor is positioned on the protractor positioning rod; after the 90-degree protractor is positioned, a forward angle is determined by marking a measuring line on the 90-degree protractor; and finally, measuring the length of the other end of the V-shaped defect through a measuring line.
The osteotomy ruler for the pelvis osteotomy adopts the technical scheme, realizes three-dimensional measurement of the V-shaped defect by combining the ruler, the 180-degree protractor, the 90-degree protractor and the measuring line, is convenient for determining the position of one end of the V-shaped defect through the ruler, is convenient for determining the downward and outward angles by rotating the 90-degree protractor on the 180-degree protractor, is convenient for better positioning the 90-degree protractor through the matching of the protractor positioning rod and the locking piece, and improves the positioning stability and the accuracy; the angle before orientation is convenient to determine by drawing a measuring line on a 90-degree protractor; repeated measurement is not required to be carried out through a two-dimensional measuring tool, and convenience in the measuring process and accuracy in the measuring process are improved.
To sum up, the advantage of this patent is that the realization promotes accuracy nature and convenience among the measurement process to the defective three-dimensional measurement of V type.
Drawings
FIG. 1 is a schematic structural view of an osteotomy ruler for pelvic osteotomy of the present invention.
Fig. 2 is a flow chart of the pelvic osteotomy of the present invention.
Detailed Description
The following describes a detailed embodiment of the present invention with reference to the accompanying drawings.
As shown in fig. 1, an osteotomy ruler for pelvic osteotomy comprises a straight ruler 1, a 180 ° protractor 2, a 90 ° protractor 3 and a measuring line 4; the ruler 1 is made of steel, the length of scales on the ruler 1 is 10cm, the minimum scale is 1mm, and the position of one end of the V-shaped defect is determined through the ruler 1 and is tightly attached to one end of the V-shaped defect. Ruler 1 and 180 protractor 2 vertical fixation set up, and 0 scale on ruler 1 aligns the setting with 0 scale of 180 protractor 2, and 180 protractor 2 is made through steel, and the diameter is 8cm, and the minimum scale is 1mm, is convenient for better confirming to down rotation angle through 180 protractor 2. The rotating shaft 21 is connected to the 0-degree scale of the 180-degree protractor 2, the rotating shaft 21 is perpendicular to the 180-degree protractor 2, the bottom of the 90-degree protractor 3 is sleeved on the rotating shaft 21, the 90-degree protractor 3 is made of bendable materials, the 90-degree protractor 3 can be made of oiled paper, the measuring line 4 can be folded inwards after measurement is completed, and marking is convenient to cut bones. The radius of the protractor 3 is 4cm, the minimum scale is 1mm, the 90-degree protractor 3 is located between the ruler 1 and the 180-degree protractor 2, the plane where the 90-degree protractor 3 is located is perpendicular to the plane where the 180-degree protractor 2 is located, and the rotating shaft 21 is used for conveniently and better measuring the angle of the 90-degree protractor 3 drawn on the 180-degree protractor 2, so that the outward rotating angle is better determined. The front part of the rotating shaft 21 is also connected with a protractor positioning rod 22, and the protractor positioning rod 22 is used for positioning the measured 90-degree protractor 3 and preventing the 90-degree protractor 3 from moving during subsequent measurement. The rear portion of pivot 21 passes 180 protractors 2 and is provided with the retaining member that is used for locking pivot 21 pivoted, and the retaining member realizes locking through locking screw's mode, confirms 90 protractors 3 positions after, only needs to screw up locking screw can be fixed with the protractor locating lever 22 in the pivot 21, and then fixes a position 90 protractors 3. The protractor positioning rod 22 is matched with the locking piece to better position the 90-degree protractor, and the positioning stability and accuracy are improved. The measuring line 4 is arranged at the 0-degree scale of the 90-degree protractor 3 through the cooperation of the measuring fixing piece 41, the measuring fixing piece 41 is a fixing screw, the fixing screw is fixed at the 0-degree scale of the 90-degree protractor 3, the measuring line 4 is convenient to wind on the fixing screw, the taking is convenient, and the back-and-forth replacement in the disposable use is realized. The measuring wire 4 is a steel wire, the length of the steel wire is 10cm, one end of the measuring wire 4 is wound on the measuring fixing piece 41, and the other end of the measuring wire 4 is fixed on an outer ring of the 90-degree protractor 3 in a bending mode after being determined to move. The angle measurement is carried out on a 90 ° angle gauge 3 by means of a measuring line 4.
When the device is used, the 90-degree protractor 3 and the measuring line 4 are disposable detachable products, and after the device is used for measurement, the 90-degree protractor 3 and the measuring line 4 need to be taken down from the rotating shaft 21 to be replaced by new 90-degree protractor 3 and measuring line 4, so that the cleanness of use is ensured.
As shown in fig. 1 and 2, a method for measuring an osteotomy ruler for pelvic osteotomy, sequentially comprises the steps of: when the ruler is used, the disposable 90-degree protractor 3 is sleeved on the rotating shaft 21, one end of the disposable measuring line 4 is wound on the measuring fixing piece 41, when in measurement, the position of one end of the V-shaped defect is determined by using the straight ruler 1 on the osteotomy ruler, one end of the straight ruler 1 is tightly attached to the position of one end of the V-shaped defect, and the length is measured; the angle of the 90-degree protractor 3 is determined to be downward and outward after the 90-degree protractor 3 is rotated on the 180-degree protractor 2, the protractor positioning rod 22 is fixed through the locking piece, and the 90-degree protractor 3 is positioned on the protractor positioning rod 22; after the 90-degree protractor 3 is positioned, drawing a forward angle on the 90-degree protractor 3 through a measuring line 4; finally, the length of the other end of the V-shaped defect is measured through the measuring line 4.
As shown in figure 2, the operating method of the pelvis osteotomy comprises the steps of cutting off iliac bones from the ischiadic large incisure, dividing the iliac bones into a far end (lower end) and a near end (upper end), pulling the far end of the iliac bones downwards, outwards and forwards to form a V-shaped gap between the upper part and the lower part of the ischiatic large incisure, measuring the value of the V-shaped gap through the osteotomy ruler provided by the invention, conveniently cutting off a triangular bone block to fill the V-shaped gap subsequently, cutting off the corresponding triangular bone block at the near end of the iliac bones after measuring the value of the V-shaped gap, filling the triangular bone block to the V-shaped gap, and finally connecting the heads of the three parts in the drawing in series by using a fixing steel needle.
The osteotomy ruler structure is combined by the ruler 1, the 180-degree protractor 2, the 90-degree protractor 3 and the measuring line 4 to realize three-dimensional measurement of V-shaped defects, the ruler 1 is convenient to determine the position of one end of the V-shaped defects, the 90-degree protractor 3 rotates on the 180-degree protractor 2 to determine downward and outward angles, the protractor positioning rod 22 is matched with the locking piece to better position the 90-degree protractor, and the positioning stability and accuracy are improved; the determination of the angle ahead is facilitated by the measuring line 4 running on the 90 ° protractor 3.
In conclusion, the osteotomy ruler structure realizes three-dimensional measurement of V-shaped defects without multiple measurements by a two-dimensional measuring tool, and improves convenience and accuracy in the measurement process.
Claims (9)
1. An osteotomy ruler for pelvic osteotomy, which is characterized by comprising a ruler (1), a 180-degree protractor (2), a 90-degree protractor (3) and a measuring line (4); the ruler (1) and the 180-degree protractor (2) are vertically and fixedly arranged, and 0 scale on the ruler (1) is aligned with 0 scale of the 180-degree protractor (2); a rotating shaft (21) is connected to the 0-degree scale of the 180-degree protractor (2), the rotating shaft (21) is perpendicular to the 180-degree protractor (2), and a protractor positioning rod (22) is connected to the front part of the rotating shaft (21); the rear part of the rotating shaft (21) penetrates through the 180-degree protractor (2) to be provided with a locking piece for locking the rotating shaft (21) to rotate, the bottom of the 90-degree protractor (3) is sleeved on the rotating shaft (21), the 90-degree protractor (3) is positioned between the straight ruler (1) and the 180-degree protractor (2), and the plane where the 90-degree protractor (3) is positioned is mutually vertical to the plane where the 180-degree protractor (2) is positioned; the measuring line (4) is arranged at the 0 scale of the 90-degree protractor (3) in a matching way through the measuring fixing piece (41), and angle measurement is carried out on the 90-degree protractor (3) through the measuring line (4).
2. An osteotomy ruler for a pelvic osteotomy, according to claim 1, wherein the ruler (1) is made of steel, the scale length on the ruler (1) being 10cm and the minimum scale being 1 mm.
3. The osteotomy ruler of claim 1, wherein the 180 ° protractor (2) is made of steel, having a diameter of 8cm and a minimum scale of 1 mm.
4. The osteotomy ruler of claim 1, characterized in that the 90 ° protractor (3) is made of bendable material; the radius of the 90-degree protractor (3) is 4cm, and the minimum scale is 1 mm.
5. An osteotomy ruler for a pelvic osteotomy according to claim 1, wherein the retaining member is lockable by means of a locking screw.
6. An osteotomy ruler for a pelvic osteotomy, according to claim 1, wherein the measuring fixture (41) is a set screw.
7. The osteotomy ruler of claim 6, wherein the measuring wire (4) is a steel wire having a length of 10cm, one end of the measuring wire (4) is wound around the measuring fixture (41), and the other end of the measuring wire (4) is fixed to the outer ring of the 90 ° angle gauge (3) with a movement determining back bend.
8. An osteotomy ruler for a pelvic osteotomy, according to claim 1, wherein, in use, the 90 ° protractor (3) and the measuring line (4) are both disposable and detachable items.
9. A measuring method of an osteotomy ruler for a pelvic osteotomy is characterized by sequentially comprising the following steps: when the ruler is used, the disposable 90-degree protractor (3) is sleeved on the rotating shaft (21), one end of the disposable measuring line (4) is wound on the measuring fixing piece (41), and when the ruler is used for measuring, the position of one end of the V-shaped defect is determined by using the ruler (1) on the osteotomy ruler, so that one end of the ruler (1) is tightly attached to the position of one end of the V-shaped defect, and the length is measured; the angle of the 90-degree protractor (3) is determined to be downward and outward after the 90-degree protractor is rotated on the 180-degree protractor (2), the protractor positioning rod (22) is fixed through a locking piece, and the 90-degree protractor (3) is positioned on the protractor positioning rod (22); after the 90-degree protractor (3) is positioned, drawing a line on the 90-degree protractor (3) through a measuring line (4) to determine the angle before orientation; and finally, measuring the length of the other end of the V-shaped defect through a measuring line (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010689470.9A CN111759398B (en) | 2020-07-17 | 2020-07-17 | Osteotomy ruler for pelvis osteotomy and measuring method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010689470.9A CN111759398B (en) | 2020-07-17 | 2020-07-17 | Osteotomy ruler for pelvis osteotomy and measuring method |
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| CN111759398A true CN111759398A (en) | 2020-10-13 |
| CN111759398B CN111759398B (en) | 2024-10-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504216A (en) * | 2020-11-20 | 2021-03-16 | 山东科技大学 | Rock drilling machine drilling direction measuring device and measuring method |
| WO2024098084A1 (en) | 2022-11-09 | 2024-05-16 | Tack Gmbh | Template for a pelvic osteotomy |
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| SU1586694A1 (en) * | 1988-04-27 | 1990-08-23 | Казанский филиал Всесоюзного Курганского научного центра "Восстановительная травматология и ортопедия" | Arrangement for determining cordinates of proximal section of hip |
| CN104323832A (en) * | 2014-11-05 | 2015-02-04 | 上海交通大学医学院附属上海儿童医学中心 | Rotary osteotomy bone cutting device and application thereof |
| CN104644251A (en) * | 2015-01-22 | 2015-05-27 | 南方医科大学南方医院 | Angle positioning device for rotary bone cutting of thigh bone |
| KR20180024548A (en) * | 2016-08-30 | 2018-03-08 | 연세대학교 산학협력단 | Protractor for realign osteotomy |
| CN208799301U (en) * | 2017-07-26 | 2019-04-30 | 中山大学附属第一医院 | Hip joint positioning clamp |
| CN209827015U (en) * | 2018-05-25 | 2019-12-24 | 王志刚 | Rotary osteotomy measuring device |
| CN212438755U (en) * | 2020-07-17 | 2021-02-02 | 杭州市萧山区中医院 | Osteotomy ulna for pelvic osteotomy |
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2020
- 2020-07-17 CN CN202010689470.9A patent/CN111759398B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1586694A1 (en) * | 1988-04-27 | 1990-08-23 | Казанский филиал Всесоюзного Курганского научного центра "Восстановительная травматология и ортопедия" | Arrangement for determining cordinates of proximal section of hip |
| CN104323832A (en) * | 2014-11-05 | 2015-02-04 | 上海交通大学医学院附属上海儿童医学中心 | Rotary osteotomy bone cutting device and application thereof |
| CN104644251A (en) * | 2015-01-22 | 2015-05-27 | 南方医科大学南方医院 | Angle positioning device for rotary bone cutting of thigh bone |
| KR20180024548A (en) * | 2016-08-30 | 2018-03-08 | 연세대학교 산학협력단 | Protractor for realign osteotomy |
| CN208799301U (en) * | 2017-07-26 | 2019-04-30 | 中山大学附属第一医院 | Hip joint positioning clamp |
| CN209827015U (en) * | 2018-05-25 | 2019-12-24 | 王志刚 | Rotary osteotomy measuring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504216A (en) * | 2020-11-20 | 2021-03-16 | 山东科技大学 | Rock drilling machine drilling direction measuring device and measuring method |
| WO2024098084A1 (en) | 2022-11-09 | 2024-05-16 | Tack Gmbh | Template for a pelvic osteotomy |
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| CN111759398B (en) | 2024-10-25 |
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