CN111643232A - Multi-angle measurer for orthopedic surgery - Google Patents
Multi-angle measurer for orthopedic surgery Download PDFInfo
- Publication number
- CN111643232A CN111643232A CN202010460626.6A CN202010460626A CN111643232A CN 111643232 A CN111643232 A CN 111643232A CN 202010460626 A CN202010460626 A CN 202010460626A CN 111643232 A CN111643232 A CN 111643232A
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- China
- Prior art keywords
- ruler
- fan
- shaped
- scale
- universal joint
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Classifications
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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
- A61F2002/4668—Measuring instruments used for implanting artificial joints for measuring angles
Abstract
The invention provides a multi-angle measurer for orthopedic surgery, which comprises a first measuring scale, a second measuring scale, a universal joint and a rotating shaft, wherein the first measuring scale comprises a fan-shaped main scale and a main ruler, the fan-shaped main scale is of a semicircular frame structure, and the main ruler is arranged at the diameter position of the semicircular frame; the fan-shaped main ruler and the fan-shaped auxiliary ruler are provided with fan-shaped vernier and brake screws, the fan-shaped vernier is provided with a base ruler, and the base ruler is in a long strip shape and is arranged along the radial directions of the fan-shaped main ruler and the fan-shaped auxiliary ruler; the central point of main ruler, vice ruler puts and connects each other to constitute through first universal joint and rotate the connection, the central point of fan-shaped main ruler, fan-shaped vice chi puts and connects each other to constitute through pivot or second universal joint and rotate the connection. The invention realizes the measurement from one traditional surface to the simultaneous measurement from a plurality of surfaces in a multi-angle manner, reduces the operation difficulty, realizes the accurate operation and improves the operation curative effect.
Description
Technical Field
The invention belongs to the field of medical appliances, and particularly relates to a multi-angle measurer for orthopedic surgery.
Background
The traditional measuring tool adopted in the bone joint operation comprises a universal vernier protractor which is also called a universal angle ruler, is a common angle measuring tool, can be used for measuring inner and outer angle values and angle marking, and mainly comprises a fan-shaped main ruler, a fan-shaped vernier, a square, a straight ruler and a brake screw; along with the continuous development of bone joint surgery technology, the requirement on angle measurement is more and more meticulous, and especially when the operation of bone joint implementation artificial limb installation, the requirement on angle measurement is meticulous is higher, needs to carry out multi-angle location simultaneously, and current traditional measuring tool can't satisfy the operation requirement.
Summary of the invention
In view of the above, the present invention is directed to a multi-angle measuring device for orthopedic surgery, which can simultaneously measure multiple angles in multiple planes to reduce the difficulty of the surgery.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a multi-angle measurer for orthopedic surgery comprises a first measuring scale, a second measuring scale, a universal joint and a rotating shaft, wherein the first measuring scale comprises a fan-shaped main scale and a main ruler, the fan-shaped main scale is of a semi-circular frame structure, and the main ruler is arranged at the diameter position of the semi-circular frame; the second measuring scale comprises a fan-shaped auxiliary scale and an auxiliary ruler, the fan-shaped auxiliary scale is of a semicircular frame structure, and the auxiliary ruler is arranged at the diameter position of the semicircular frame; the fan-shaped main ruler and the fan-shaped auxiliary ruler are provided with fan-shaped vernier and brake screws, the fan-shaped vernier is provided with a base ruler, and the base ruler is in a long strip shape and is arranged along the radial directions of the fan-shaped main ruler and the fan-shaped auxiliary ruler; the central point of main ruler, vice ruler puts and connects each other to constitute through first universal joint and rotate the connection, the central point of fan-shaped main ruler, fan-shaped vice chi puts and connects each other to constitute through pivot or second universal joint and rotate the connection.
Furthermore, the base ruler is composed of an elastic telescopic pipe, and the elastic telescopic pipe comprises curved side walls which can be mutually folded and stretched.
Furthermore, main ruler include to the extension chi of fan-shaped main scale both sides outside extension and the fixed ruler at fan-shaped main scale both ends of fixed connection, the length of extension chi equals the length of fan-shaped main scale diameter.
Furthermore, a groove and a brake are arranged on the extension ruler, the fixed ruler is assembled in the groove and fixed through the brake, and the brake comprises a clamping piece and a locking screw.
Furthermore, the second measuring scale is assembled inside the semicircular frame structure of the first measuring scale.
Further, first universal joint, second universal joint are the cross universal joint, and the cross universal joint includes cross pivot and two bearing frames of joining in marriage dress cross pivot 17, and the bearing frame sets up respectively in the central point of main ruler, vice ruler and the central point of fan-shaped main scale, fan-shaped vice chi puts.
Compared with the prior art, the multi-angle measurer for the orthopedic surgery has the following advantages:
the technical scheme provided by the invention is provided aiming at the current situation that the traditional measuring tool adopted in the bone joint surgery can not meet the clinical precision requirement; the multi-angle measurer for the orthopedic surgery can realize multi-angle measurement in two planes formed by the fan-shaped main ruler and the fan-shaped auxiliary ruler through the first measuring ruler and the second measuring ruler which are identical in structure; the fan-shaped auxiliary ruler can horizontally rotate 360 degrees relative to the fan-shaped main ruler by taking the center position of the fan-shaped auxiliary ruler as the center of a circle through the first universal joint and the rotating shaft; the fan-shaped auxiliary ruler can horizontally and vertically rotate 360 degrees relative to the fan-shaped main ruler by taking the center position of the fan-shaped auxiliary ruler as the center of a circle through the first universal joint and the second universal joint; the invention realizes the measurement from one traditional surface to the simultaneous measurement from a plurality of surfaces in a multi-angle manner, reduces the operation difficulty, realizes the accurate operation and improves the operation curative effect; in addition, the extension rule can expand the measurement length and is suitable for different parts.
Drawings
The accompanying drawings, which 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 without limitation. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the embodiment of the present invention;
fig. 2 is a schematic view of an extension rule, a fixed rule and a connection structure thereof according to an embodiment of the present invention;
FIG. 3 is a schematic view of a second universal joint and its connection structure according to the embodiment of the present invention;
FIG. 4 is a top view of the overall structure of the inventive embodiment;
fig. 5 is a schematic structural diagram of a first gimbal and a second gimbal according to the embodiment of the present invention;
fig. 6 is a schematic structural view of an elastic telescopic tube according to an embodiment of the present invention.
Description of reference numerals:
1-a sector main ruler; 2-sector vernier; 3-a brake screw; 4-base ruler; 5-a rotating shaft; 6-main straightedge; 7-auxiliary ruler; 8-an extension ruler; 9-fixing a ruler; 11-sector auxiliary ruler; 12-first universal joint; 13-fastener 14-locking screw; 15-a groove; 16-a second gimbal; 17-a cross rotating shaft; 18-a bearing seat; 101-a first measuring scale; 102-a second measuring scale; 103-curved sidewalls.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.
As shown in fig. 1 to 5, a multi-angle measuring device for orthopedic surgery comprises a first measuring ruler 101, a second measuring ruler 102, a universal joint 12 and a rotating shaft 5, wherein the first measuring ruler 101 comprises a fan-shaped main ruler 1 and a main ruler 6, the fan-shaped main ruler 1 is of a semi-circular frame structure, and the diameter position of the semi-circular frame is provided with the main ruler 6; the second measuring ruler 102 comprises a fan-shaped auxiliary ruler 11 and an auxiliary ruler 7, the fan-shaped auxiliary ruler 11 is of a semicircular frame structure, and the auxiliary ruler 7 is arranged at the diameter position of the semicircular frame; the fan-shaped main ruler 1 and the fan-shaped auxiliary ruler 11 are provided with a fan-shaped vernier 2 and a brake screw 3, the fan-shaped vernier 2 is provided with a base ruler 4, and the base ruler 4 is in a long strip shape and is arranged along the radial directions of the fan-shaped main ruler 1 and the fan-shaped auxiliary ruler 11; the central positions of the main ruler 6 and the auxiliary ruler 7 are connected through a first universal joint 12 to form a rotary connection, and the central positions of the fan-shaped main ruler 1 and the fan-shaped auxiliary ruler 11 are connected through a rotating shaft 5 or a second universal joint 16 to form a rotary connection.
When the angle measuring device is used, the first measuring scale 101 is arranged at a measuring position, the main ruler 6 is abutted against a measuring surface, the fan-shaped vernier 2 is rotated to drive the base ruler 4 to measure the angle, and the angle measurement is realized in a plane formed by the fan-shaped main ruler 1 by screwing the brake screw 3 for positioning; meanwhile, by rotating the second measuring scale 102, angle measurement is carried out in the plane formed by the fan-shaped auxiliary scale 7, so that multi-angle measurement and positioning are carried out in two planes formed by the fan-shaped main scale and the fan-shaped auxiliary scale; alternatively, as shown in fig. 1, the fan-shaped auxiliary ruler can rotate horizontally by 360 degrees relative to the fan-shaped main ruler by taking the center position of the fan-shaped auxiliary ruler as the center of a circle through the first universal joint 12 and the rotating shaft 5; as shown in fig. 3, the fan-shaped auxiliary ruler 11 can rotate horizontally and vertically for 360 degrees relative to the fan-shaped main ruler 1 by taking the center position of the fan-shaped auxiliary ruler as the center of a circle through the first universal joint 12 and the second universal joint 16; the invention realizes the measurement from one surface to the simultaneous measurement from a plurality of surfaces in a multi-angle way, realizes the simultaneous measurement from a plurality of angles in two planes, meets the measurement and positioning requirements in the bone joint operation and artificial limb installation, and can reduce the operation difficulty.
The base rule 4 is formed by an elastic telescopic tube comprising curved side walls 103 which can be folded and stretched against each other. The base ruler 4 can extend into the surface of the invaginated joint, and the requirements of measurement and positioning during bone joint operations and artificial limb installation are met.
The main ruler 6 comprises an extension ruler 8 extending towards the outer portions of two sides of the fan-shaped main ruler 1 and fixing rulers 9 fixedly connected with two ends of the fan-shaped main ruler 1, and the length of the extension ruler 8 is equal to the length of the diameter of the fan-shaped main ruler 1.
The extension rule 8 is provided with a groove 15 and a brake, the fixed rule 9 is assembled in the groove 15 and fixed through the brake, and the brake comprises a clamping piece 13 and a locking screw 14. The brake can adopt a brake structure widely used on vernier calipers at present, the brake structure generally comprises a clamping piece 13 and a locking screw 14, and the brake structure is used for measuring after being positioned by tightening the locking screw 14.
The second measuring scale 11 is assembled inside the semicircular frame structure of the first measuring scale 1; compact structure, facilitate the use and accomodate.
The first universal joint 12 and the second universal joint 16 are cross-axle universal joints, each cross-axle universal joint comprises a cross-shaped rotating shaft 17 and two bearing seats 18 assembled with the cross-shaped rotating shafts 17, and the bearing seats 18 are respectively arranged at the central positions of the main ruler 6 and the auxiliary ruler 7 and at the central positions of the fan-shaped main ruler 1 and the fan-shaped auxiliary ruler 11.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a multi-angle measurement ware for bone surgery which characterized in that: the measuring device comprises a first measuring scale (101), a second measuring scale (102), a universal joint (12) and a rotating shaft (5), wherein the first measuring scale (101) comprises a fan-shaped main scale (1) and a main ruler (6), the fan-shaped main scale (1) is of a semicircular frame structure, and the diameter position of the semicircular frame is provided with the main ruler (6); the second measuring scale (102) comprises a fan-shaped auxiliary scale (11) and an auxiliary ruler (7), the fan-shaped auxiliary scale (11) is of a semicircular frame structure, and the auxiliary ruler (7) is arranged at the diameter position of the semicircular frame; the fan-shaped vernier (2) and the brake screw (3) are arranged on the fan-shaped main ruler (1) and the fan-shaped auxiliary ruler (11), the base ruler (4) is arranged on the fan-shaped vernier (2), and the base ruler (4) is in a long strip shape and is arranged along the radial direction of the fan-shaped main ruler (1) and the fan-shaped auxiliary ruler (11); the central point of main ruler (6), vice ruler (7) puts and connects each other through first universal joint (12) and constitute the rotation and connect, the central point of fan-shaped main ruler (1), fan-shaped vice chi (11) puts and connects each other through pivot (5) or second universal joint (16) and constitute the rotation and connect.
2. The multi-angle measurer for orthopedic surgery according to claim 1, characterized in that: the base ruler (4) is composed of an elastic telescopic pipe, and the elastic telescopic pipe comprises curved side walls (103) which can be mutually folded and stretched.
3. The multi-angle measurer for orthopedic surgery according to claim 1, characterized in that: main ruler (6) including to extension chi (8) of the outside extension of fan-shaped main scale (1) both sides and fixed ruler (9) at fan-shaped main scale (1) both ends of fixed connection, the length of extension chi (8) equals the length of fan-shaped main scale (1) diameter.
4. The multi-angle measurer for orthopedic surgery according to claim 1, characterized in that: the extension ruler (8) is provided with a groove (15) and a brake, the fixed ruler (9) is assembled in the groove (15) and fixed through the brake, and the brake comprises a clamping piece (13) and a locking screw (14).
5. The multi-angle measurer for orthopedic surgery according to claim 1, characterized in that: the second measuring scale (11) is assembled inside the semicircular frame structure of the first measuring scale (1).
6. The multi-angle measurer for orthopedic surgery according to claim 1, characterized in that: the first universal joint (12) and the second universal joint (16) are cross shaft universal joints, each cross shaft universal joint comprises a cross rotating shaft (17) and two bearing seats (18) assembled with the cross rotating shafts (17), and the bearing seats (18) are respectively arranged at the central positions of the main ruler (6) and the auxiliary ruler (7) and at the central positions of the fan-shaped main ruler (1) and the fan-shaped auxiliary ruler (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010460626.6A CN111643232B (en) | 2020-05-27 | 2020-05-27 | Multi-angle measurer for orthopedic surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010460626.6A CN111643232B (en) | 2020-05-27 | 2020-05-27 | Multi-angle measurer for orthopedic surgery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111643232A true CN111643232A (en) | 2020-09-11 |
| CN111643232B CN111643232B (en) | 2022-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010460626.6A Active CN111643232B (en) | 2020-05-27 | 2020-05-27 | Multi-angle measurer for orthopedic surgery |
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| CN (1) | CN111643232B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5141512A (en) * | 1989-08-28 | 1992-08-25 | Farmer Malcolm H | Alignment of hip joint sockets in hip joint replacement |
| US5419053A (en) * | 1993-04-26 | 1995-05-30 | Kathan; Larry | Measuring tool |
| US5891158A (en) * | 1997-10-23 | 1999-04-06 | Manwaring; Kim H. | Method and system for directing an instrument to a target |
| US20080300605A1 (en) * | 2007-06-01 | 2008-12-04 | Rinner James A | Pedicle protractor tool |
| US20110060339A1 (en) * | 2009-09-09 | 2011-03-10 | De Wekker Erwin | Hip surgery assembly |
| US20120079729A1 (en) * | 2010-10-04 | 2012-04-05 | Mohammed Marzouq Khalaf Al-Mutairi | combined set of interacting instruments |
| US20170296202A1 (en) * | 2014-03-17 | 2017-10-19 | Roy Anthony Brown | Surgical targeting systems and methods |
| CN207041526U (en) * | 2017-02-28 | 2018-02-27 | 北京积水潭医院 | Doublejointed Orthopaedic measuring ruler |
| CN208760270U (en) * | 2018-07-27 | 2019-04-19 | 浙江金丝猴文具有限公司 | A kind of multifunctional angular parallel rule |
| CN209763955U (en) * | 2019-03-19 | 2019-12-10 | 江苏理工学院 | Device for measuring arc diameter |
-
2020
- 2020-05-27 CN CN202010460626.6A patent/CN111643232B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5141512A (en) * | 1989-08-28 | 1992-08-25 | Farmer Malcolm H | Alignment of hip joint sockets in hip joint replacement |
| US5419053A (en) * | 1993-04-26 | 1995-05-30 | Kathan; Larry | Measuring tool |
| US5891158A (en) * | 1997-10-23 | 1999-04-06 | Manwaring; Kim H. | Method and system for directing an instrument to a target |
| US20080300605A1 (en) * | 2007-06-01 | 2008-12-04 | Rinner James A | Pedicle protractor tool |
| US20110060339A1 (en) * | 2009-09-09 | 2011-03-10 | De Wekker Erwin | Hip surgery assembly |
| US20120079729A1 (en) * | 2010-10-04 | 2012-04-05 | Mohammed Marzouq Khalaf Al-Mutairi | combined set of interacting instruments |
| US20170296202A1 (en) * | 2014-03-17 | 2017-10-19 | Roy Anthony Brown | Surgical targeting systems and methods |
| CN207041526U (en) * | 2017-02-28 | 2018-02-27 | 北京积水潭医院 | Doublejointed Orthopaedic measuring ruler |
| CN208760270U (en) * | 2018-07-27 | 2019-04-19 | 浙江金丝猴文具有限公司 | A kind of multifunctional angular parallel rule |
| CN209763955U (en) * | 2019-03-19 | 2019-12-10 | 江苏理工学院 | Device for measuring arc diameter |
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| Publication number | Publication date |
|---|---|
| CN111643232B (en) | 2022-12-06 |
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