CN112569023B - Cone height and angle measuring tool - Google Patents
Cone height and angle measuring tool Download PDFInfo
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- CN112569023B CN112569023B CN202011451269.3A CN202011451269A CN112569023B CN 112569023 B CN112569023 B CN 112569023B CN 202011451269 A CN202011451269 A CN 202011451269A CN 112569023 B CN112569023 B CN 112569023B
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- height
- angle
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- sliding block
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4657—Measuring instruments used for implanting artificial joints
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4657—Measuring instruments used for implanting artificial joints
- A61F2002/4658—Measuring instruments used for implanting artificial joints for measuring dimensions, e.g. length
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4657—Measuring instruments used for implanting artificial joints
- A61F2002/4668—Measuring instruments used for implanting artificial joints for measuring angles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Physical Education & Sports Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention provides a cone height and angle measuring tool, comprising: the damping angle measuring device comprises a base body, a rotating handle, an outer height sliding block, an inner height sliding block and a damping angle measuring block, wherein the base body consists of a cylinder and a cylinder with a semi-annular section; the rotary handle is hollow and provided with threads; the damping angle measuring block is arranged at the upper damping matching end and the lower damping matching end. The cone height and angle measuring tool provided by the invention can measure the height and angle of the cone at the same time, and accurately select proper products through the measured values, so that the condition that products with different angle heights are required to be subjected to trial installation test to select the most proper products in the process of implanting the products after the lesion cone segments are excised is avoided, the time for selecting proper products in the process of the inter-cone operation can be effectively reduced, the operation efficiency is improved, and the injury to patients is reduced.
Description
Technical Field
The invention relates to the field of medical instruments for orthopaedics, in particular to a cone height and angle measuring tool.
Background
In clinical practice, an intervertebral fusion device (interbody fusion cage) is often used in an intervertebral bone grafting fusion operation to insert an intervertebral bone or other bone grafting material, which is also often called a spine fusion device (spine cage), is a commonly used medical instrument, is commonly used in total disc replacement, and can effectively play the roles of stabilizing, expanding and maintaining the height of an intervertebral space immediately after removing diseased/necrotic discs, and promoting fusion of adjacent segments of the vertebral body.
After the vertebral fusion cage is implanted and the pathological cone segment is resected, bone grafting materials with different angles and heights are often needed to be subjected to trial installation in the bone grafting process, so that multiple specifications of bone grafting materials are often prepared in one operation, the operation time and the operation cost are increased, and the risks such as the operation time of a patient are increased by repeatedly putting a trial mould into an operation position in the operation process, so that unnecessary damage is caused.
Therefore, there is a need for a tool that can quickly and easily test the precise dimensions of the bone graft to be transplanted, to reduce the time required to select the appropriate product during the inter-vertebral surgery, to increase the efficiency of the surgery, and to reduce the trauma to the patient.
Disclosure of Invention
The invention provides a cone height and angle measuring tool, which aims to reduce the time for selecting a proper product in the process of an inter-cone operation, improve the operation efficiency and reduce the injury to a patient.
In order to achieve the above object, the present invention provides a cone height and angle measuring tool comprising:
the base body consists of a cylinder and a cylinder with a semi-annular section, a through hole is formed in the cylinder, a height scale thread is formed on the outer side of one end, far away from the cylinder, of the cylinder, and a height scale is further arranged beside the height scale thread; the inside of the column body is hollow, and two sides of the column body are open;
the inside of the base body is also provided with a rotating rod, one end of the rotating rod is provided with a height adjusting gear, the other end of the rotating rod is provided with a handle rotating rod gear, and the height adjusting gear is arranged inside the column body;
the rotary handle is hollow and provided with threads; the rotary handle is sleeved at the height scale thread end of the column body, and the thread is matched with the height scale thread;
the outer height sliding block comprises an outer connecting end and a lower damping matching end, the outer connecting end is hollow and arranged in the cylinder, and the outer wall of the outer connecting end is in sliding fit with the inner wall of the cylinder;
the inner height sliding block comprises an inner connecting end and an upper damping matching end, the inner connecting end is hollow and arranged inside the outer connecting end, and the outer wall of the inner connecting end is in sliding fit with the inner wall of the outer connecting end;
the damping angle measuring block is provided with an angle fitting plane at the upper end and an angle scale turntable at the lower end, and the angle scale turntable is arranged at the lower end of the damping angle measuring block through an angle damping shaft; the damping angle measuring block is arranged at the upper damping matching end and the lower damping matching end.
Further, a gear groove is further formed in the rotary handle, and the height adjusting gear end of the rotary rod is arranged in the gear groove and is matched with the gear groove.
Further, an inner high sliding block rack is arranged on the inner wall of one side of the inner connecting end, and an inner groove is arranged on the inner wall of the other end; an outer height sliding block rack is arranged on the inner wall of the outer connecting end, which is close to the inner groove; the outer connecting end and the inner connecting end are provided with a communicated height adjusting gear groove near one end of the height adjusting gear.
Further, the inner groove is the same as the center line of the outer height sliding block rack, and the width of the inner groove is not smaller than the width of the outer height sliding block rack.
Further, the height adjusting gear is disposed between the inner height slider rack and the outer height slider rack.
Furthermore, an angle and sliding block matching groove is formed in the upper damping matching end, and the angle and sliding block matching groove is also connected with a sliding block damping hole; an angle rotating disc groove is further formed in the outer wall of the upper damping fit end.
Further, the lower end of the damping angle measuring block is arranged in the matching groove of the angle and the sliding block, the angle damping shaft is arranged in the damping hole of the sliding block, and the angle scale turntable is arranged in the angle turntable groove.
Further, the lower damping fit end and the upper damping fit end have the same structure.
The scheme of the invention has the following beneficial effects: the cone height and angle measuring tool provided by the invention can measure the height and angle of the cone at the same time, and accurately select proper products through the measured values, so that the condition that products with different angle heights are required to be subjected to trial installation test to select the most proper products in the process of implanting the products after the lesion cone segments are excised is avoided, the time for selecting proper products in the process of the inter-cone operation can be effectively reduced, the operation efficiency is improved, and the injury to patients is reduced.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a block diagram of a drive rod and height slider of the present invention;
FIG. 3 is a block diagram of a base and twist grip of the present invention;
FIG. 4 is a diagram of an inner and outer height slider configuration of the present invention;
FIG. 5 is a view showing the construction of the inside and outside height slider of the present invention;
FIG. 6 is a diagram of an inner height slider and damping angle measurement block configuration of the present invention;
FIG. 7 is a diagram of the structure of the matrix of the present invention;
FIG. 8 is a block diagram of a drive rod of the present invention;
FIG. 9 is a diagram of a damping angle measurement block structure of the present invention;
FIG. 10 is a diagram of an inner height slider structure of the present invention;
FIG. 11 is a diagram of an outer height slider construction of the present invention;
FIG. 12 is a view showing the internal structure of the rotary handle according to the present invention;
description of the reference numerals
1-a substrate; 2-an inner height slider; 3-a damping angle measuring block; 4-an outer height slider; 5-angle fitting plane; 6-rotating the handle; 7-an angle scale turntable; 8-column; 9-height scale; 10-a transmission rod; 11-handle turning lever gear; 12-height adjusting gear; 13-height scale threads; 14-inner height slider rack; 15-an outer height slider rack; 16-a sliding block damping hole; 17-angle and sliding block matching groove; 18-a rack sliding groove; 19-an angle damping shaft; 20-angle rotor groove; 21-gear slots; 22-thread; 23-connecting ends; 24-upper damper mating end; 25-an outer connection end; 26-a lower damping mating end; 27-an inner tank; 28-height adjustment gear slot.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The present invention addresses the existing problems by providing a cone height and angle measuring tool, as shown in fig. 1-12, comprising:
the base body 1, the base body 1 is formed by a cylinder and a cylinder 8 with a semi-annular section, a through hole is formed in the cylinder, a height scale thread 13 is formed on the outer side of one end of the cylinder far away from the cylinder, and a height scale 9 is further arranged beside the height scale thread 13; the column body 8 is hollow and is opened at two sides;
a rotating rod 10 is further arranged in the base body 1, one end of the rotating rod 10 is provided with a height adjusting gear 12, the other end of the rotating rod is provided with a handle rotating rod gear 11, and the height adjusting gear 12 is arranged in the column 8;
a rotating handle 6, wherein the rotating handle 6 is hollow and provided with threads; the rotary handle 6 is sleeved at the end of the height scale thread 13 of the column body 8, and the thread is matched with the height scale thread 13;
the outer height sliding block 4 comprises an outer connecting end 25 and a lower damping matching end 26, the outer connecting end 25 is hollow and arranged in the cylinder 8, and the outer wall of the outer connecting end 25 is in sliding fit with the inner wall of the cylinder 8;
the inner height sliding block 2 comprises an inner connecting end 23 and an upper damping matching end 24, wherein the inner connecting end 23 is hollow and arranged in the outer connecting end 25, and the outer wall of the inner connecting end 23 is in sliding fit with the inner wall of the outer connecting end 25;
the damping angle measuring block 3, wherein an angle fitting plane 5 is arranged at the upper end of the damping angle measuring block 3, an angle scale rotary disc 7 is arranged at the lower end of the damping angle measuring block 3, and the angle scale rotary disc 7 is arranged at the lower end of the damping angle measuring block 3 through an angle damping shaft 19; the damping angle measuring block 3 is disposed at the upper damping fit end 24 and the lower damping fit end 26.
A gear groove 21 is further formed in the rotary handle 6, and the height adjusting gear 12 end of the rotary rod 10 is disposed in the gear groove 21 and is engaged with the gear groove 21; an inner-height sliding block rack 14 is arranged on the inner wall of one side of the inner connecting end 23, and an inner groove 27 is arranged on the inner wall of the other end; an outer height sliding block rack 15 is arranged on the inner wall of the outer connecting end 25, which is close to the inner groove 27; the outer connecting end 25 and one end of the inner connecting end 23, which is close to the height adjusting gear 12, are provided with a communicated height adjusting gear groove 28; the inner groove 27 is the same as the center line of the outer height slider rack 15, and the width of the inner groove 27 is not smaller than the width of the outer height slider rack 15; the height adjusting gear 12 is disposed between the inner height slider rack 14 and the outer height slider rack 15.
Wherein, an angle and sliding block matching groove 17 is arranged in the upper damping matching end 24, and the angle and sliding block matching groove 17 is also connected with a sliding block damping hole 16; an angle rotating disc groove 20 is also formed in the outer wall of the upper damping fit end 24; the lower end of the damping angle measuring block 3 is arranged in the angle and sliding block matching groove 17, the angle damping shaft 19 is arranged in the sliding block damping hole 16, and the angle scale turntable 7 is arranged in the angle turntable groove 20; the lower damper mating end 26 is identical in construction to the upper damper mating end 24.
The cone height and angle measuring tool provided by the invention can measure the height and angle of the cone at the same time, and accurately select proper products through the measured values, so that the condition that products with different angle heights are required to be subjected to trial installation test to select the most proper products in the process of implanting the products after the lesion cone segments are excised is avoided, the time for selecting proper products in the process of the inter-cone operation can be effectively reduced, the operation efficiency is improved, and the injury to patients is reduced.
The invention also provides a specific implementation mode of the cone height and angle measuring tool, which comprises the following specific operations:
after the cone segment is cut off, the cone height and angle measuring tool is put into the missing cone segment, the rotating handle 6 is rotated, the gear groove 21 structure in the part drives the handle rotating rod gear 11 to rotate, meanwhile, the rotating handle 6 moves forwards due to the fact that the height adjusting gear 12 and the threads 22 are arranged, the transmission rod 10 rotates, meanwhile, the height adjusting gear 12 in the part rotates along with the rotating handle, the inner height sliding block rack 14 and the outer height sliding block rack 15 are driven by the height adjusting gear 12 to enable the inner height sliding block 2 to move upwards, the outer height sliding block 4 moves downwards to generate height change, when the height change is to a certain height, the angle fitting plane 5 on the damping angle measuring block 3 touches the upper cone and the lower cone, the damping angle measuring block 3 continuously changes due to the fact that the angle damping shaft 19 rotates, the angle change is generated until the angle fitting plane 21 is fitted with the upper cone and the lower cone.
When the rotating handle 6 receives stronger resistance, the measuring position is reached, the height of the upper cone and the lower cone is obtained by reading the scale of the height scale 9, the rotating handle 6 is rotated anticlockwise after the height is read, the height is lowered by more than 5mm, and the tool is carefully removed. Because the angle damping shaft has damping, the angle of the rotary handle 6 is not changed in the measuring process, and the measurement of the height and the angle between the cones is completed by reading the angle of the angle scale turntable 7 and the angle below the angle turntable groove 8.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (5)
1. A cone height and angle measuring tool, comprising:
the base body consists of a cylinder and a cylinder with a semi-annular section, a through hole is formed in the cylinder, a height scale thread is formed on the outer side of one end, far away from the cylinder, of the cylinder, and a height scale is further arranged beside the height scale thread; the inside of the column body is hollow, and two sides of the column body are open;
the inside of the base body is also provided with a rotating rod, one end of the rotating rod is provided with a height adjusting gear, the other end of the rotating rod is provided with a handle rotating rod gear, and the height adjusting gear is arranged inside the column body;
the rotary handle is hollow and provided with threads; the rotary handle is sleeved at the height scale thread end of the column body, and the thread is matched with the height scale thread;
the outer height sliding block comprises an outer connecting end and a lower damping matching end, the outer connecting end is hollow and arranged in the cylinder, and the outer wall of the outer connecting end is in sliding fit with the inner wall of the cylinder;
the inner height sliding block comprises an inner connecting end and an upper damping matching end, the inner connecting end is hollow and arranged inside the outer connecting end, and the outer wall of the inner connecting end is in sliding fit with the inner wall of the outer connecting end;
the damping angle measuring block is provided with an angle fitting plane at the upper end and an angle scale turntable at the lower end, and the angle scale turntable is arranged at the lower end of the damping angle measuring block through an angle damping shaft; the damping angle measuring block is arranged at the upper damping matching end and the lower damping matching end;
an angle and sliding block matching groove is formed in the upper damping matching end, and a sliding block damping hole is further formed in the angle and sliding block matching groove; an angle rotating disc groove is further formed in the outer wall of the upper damping fit end;
the lower end of the damping angle measuring block is arranged in the matching groove of the angle and the sliding block, the angle damping shaft is arranged in the damping hole of the sliding block, and the angle scale turntable is arranged in the angle turntable groove;
the lower damping fit end and the upper damping fit end have the same structure.
2. The measuring tool of claim 1, wherein a gear groove is further provided in the rotary handle, and the height adjusting gear end of the rotary rod is disposed in the gear groove and is engaged with the gear groove.
3. The measuring tool of claim 1, wherein an inner height slider rack is provided on an inner wall of one side of the inner connection end, and an inner groove is provided on an inner wall of the other side; an outer height sliding block rack is arranged on the inner wall of the outer connecting end, which is close to the inner groove; the outer connecting end and the inner connecting end are provided with a communicated height adjusting gear groove near one end of the height adjusting gear.
4. A measuring tool according to claim 3, wherein the inner groove is the same as the centre line of the outer height slider rack, and the width of the inner groove is not smaller than the width of the outer height slider rack.
5. The measurement tool of claim 3, wherein the height adjustment gear is disposed between the inner height slider rack and the outer height slider rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011451269.3A CN112569023B (en) | 2020-12-09 | 2020-12-09 | Cone height and angle measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011451269.3A CN112569023B (en) | 2020-12-09 | 2020-12-09 | Cone height and angle measuring tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112569023A CN112569023A (en) | 2021-03-30 |
| CN112569023B true CN112569023B (en) | 2023-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011451269.3A Active CN112569023B (en) | 2020-12-09 | 2020-12-09 | Cone height and angle measuring tool |
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| Country | Link |
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| CN (1) | CN112569023B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8317798B2 (en) * | 2002-06-25 | 2012-11-27 | Warsaw Orthopedic | Minimally invasive expanding spacer and method |
| US20040097951A1 (en) * | 2002-11-18 | 2004-05-20 | Steffensmeier Scott J. | Measurement instrument for use in orthopaedic surgery |
| US20060074431A1 (en) * | 2004-09-28 | 2006-04-06 | Depuy Spine, Inc. | Disc distraction instrument and measuring device |
| US8267965B2 (en) * | 2007-10-22 | 2012-09-18 | Flexuspine, Inc. | Spinal stabilization systems with dynamic interbody devices |
| US8414592B2 (en) * | 2008-07-11 | 2013-04-09 | Q-Spine, Llc | Spinal measuring device and distractor |
| US9801735B2 (en) * | 2014-07-23 | 2017-10-31 | Renovis Surgical Technologies, Inc. | Modular surgical tool assembly |
| US10531816B2 (en) * | 2016-02-01 | 2020-01-14 | Zimmer Biomet Spine, Inc. | Expandable paddle distractor |
| CN109009136B (en) * | 2018-08-30 | 2024-03-22 | 中国人民解放军第二军医大学第二附属医院 | Novel intervertebral measuring device |
| US11266513B2 (en) * | 2018-12-21 | 2022-03-08 | Stryker European Operations Limited | Device for measuring intervertebral space |
| CN210903513U (en) * | 2019-05-21 | 2020-07-03 | 宁夏医科大学 | Intervertebral height and pressure measurer |
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2020
- 2020-12-09 CN CN202011451269.3A patent/CN112569023B/en active Active
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| Publication number | Publication date |
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| CN112569023A (en) | 2021-03-30 |
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Address after: 410600 room 205, building 1, Hunan University Science and Technology Industrial Park, No. 001, Jinzhou North Road, Ningxiang high tech Industrial Park, Changsha City, Hunan Province Applicant after: Hunan Huaxiang Medical Technology Co.,Ltd. Address before: 410600 room 205, building 1, Hunan University Science and Technology Industrial Park, No. 001, Jinzhou North Road, Ningxiang high tech Industrial Park, Changsha City, Hunan Province Applicant before: HUNAN HUAXIANG ZENGLIANG TECHNOLOGY CO.,LTD. |
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Inventor after: Jiang Jinwei Inventor after: Zou Weimin Inventor after: Guo Kaixuan Inventor after: Song Kun Inventor after: Liu Jiang Inventor after: Hou Kai Inventor before: Jiang Jinwei Inventor before: Zou Weimin Inventor before: Guo Kaixuan Inventor before: Shen Yu Inventor before: Xiang Xiaowei Inventor before: Wang Kai Inventor before: Song Kun Inventor before: Liu Jiang Inventor before: Hou Kai |
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