CN102551854A - Three-dimensional fracture repositor - Google Patents
Three-dimensional fracture repositor Download PDFInfo
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- CN102551854A CN102551854A CN2012100139621A CN201210013962A CN102551854A CN 102551854 A CN102551854 A CN 102551854A CN 2012100139621 A CN2012100139621 A CN 2012100139621A CN 201210013962 A CN201210013962 A CN 201210013962A CN 102551854 A CN102551854 A CN 102551854A
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Abstract
A three-dimensional fracture repositor belongs to the technical field of orthopedic medical appliances, and is used for subjecting fractured bones to three-dimensional space reposition in orthopedic clinic. The fracture repositor comprises a left support bar, a right support bar, a left draw bar, a right draw bar, a transverse draw bar, a left fixing block and a right fixing block. The left support bar and the right support bar are bent in the middle, and their one ends are connected with a pivot. The transverse draw bar has an adjustable length, and is connected between the left support bar and the right support bar. The other ends of the left support bar and the right support bar are connected with the left draw bar and the right draw bar, respectively. The left draw bar and the right draw bar have adjustable lengths, and have the other ends connected with the left fixing block and the right fixing block, respectively. The left fixing block and the right fixing block are mounted thereon with a bone connector having an adjustable height. The invention accurately and rapidly carries out bone reposition, simplifies operation difficulty, and solves the problem of difficult synchronous fracture reposition operation in three-dimensional space.
Description
Technical field
The present invention relates to a kind of in orthopaedics is clinical to the fracture skeleton carry out the utensil that three dimensions resets, belong to orthopaedic medical treatment utensil technical field.
Background technology
Along with development such as traffic, buildings, the annual case example number that fracture takes place of China constantly increases, and reaches millions of examples, the survey data report is arranged even up to 10,000,000 examples.In numerous fracture cases, the displacement fracture incidence rate that the high-energy damage causes increases year by year.In clinical, the open reduction internal fixation treatment is that the fracture of treatment displacement is used wide range of therapeutic scheme the most, and wherein fracture anatomical reduction is strong fixedly is the important prerequisite that postoperative obtains function well.Specifically, after fracturing, often there is the displacement of different directions and degree at the fracture two ends, for example on sagittal plane, can be observed displacement up and down, and displacement can have left and right sidesing shifting at coronalplane before and after horizontal plane can have.At present, temporary fixed in order to improve in reduction of the fracture quality and the art, existing multiple reduction instrument is applied to clinical; The planar displacement but these positors often can only reset; Can not take into account the displacement of different azimuth on the space of fracture simultaneously, this is just had two-dimensional shift, or the fracture of three-dimensional displacement accurately resets and causes difficulty; Increased the difficulty of operative reduction greatly, become clinical in insoluble problem.This problem does not obtain basic solution at present, in order to improve the quality of reduction of the fracture operation, reduces the difficulty of operative reduction, is necessary to develop new operating theater instruments, resets so that displacement fracture reaches accurately in three dimensions.
Summary of the invention
Technical problem to be solved by this invention provides a kind ofly can improve the operative reduction quality clinically, reduce the difficulty of operative reduction, reach the three-dimensional fracture reposition instrument that accurately resets at three dimensions.
The technical scheme that solves the problems of the technologies described above is:
A kind of three-dimensional fracture reposition instrument; It is made up of left support bar, right support bar, left lever, right pull bar, drag link, left fixed block, right fixed block, and left support bar and right support bar are the middle bar that bending is arranged, and their end is connected by rotating shaft; Drag link is the pull bar of adjustable length; Drag link is connected between left support bar and the right support bar, and the other end of left support bar and right support bar is connected with right pull bar with left lever respectively, and left lever and right pull bar are the pull bar of adjustable length; The other end of left lever and right pull bar is connected with right fixed block with left fixed block respectively, and the skeleton connecting device that can regulate height is installed on left fixed block and the right fixed block.
Above-mentioned three-dimensional fracture reposition instrument; Said drag link is made up of two braces, two horizontal screw rods and a horizontal sleeve; One end of two horizontal screw rods is connected with right support bar with left support bar through brace respectively, and the junction is that rotating shaft connects, and the other end of two horizontal screw rods is connected with the telescopic two ends of horizontal stroke respectively; Two horizontal screw flight rotation directions are opposite, have screw thread and horizontal screw flight to be complementary in the horizontal sleeve.
Above-mentioned three-dimensional fracture reposition instrument; Said drag link is made up of two slide links; The outer end of two slide links is connected with right support bar with left support bar respectively, and the junction is that rotating shaft connects, and there is chute in the central authorities of slide link along the longitudinal axis; The chute of two slide links is overlapping relatively, and both sides have the fastening screw screw bolt and nut respectively in the chute.
Above-mentioned three-dimensional fracture reposition instrument; Said left lever is made up of two left screw rods and a left sleeve; One end of two left screw rods is connected with left fixed block with left support bar respectively, and the other end of two left screw rods is connected with the two ends of left sleeve respectively, and two left screw flight rotation directions are opposite; Have screw thread and left screw flight to be complementary in the left sleeve, the structure of right pull bar is identical with left lever.
Above-mentioned three-dimensional fracture reposition instrument; Said left lever is made up of two pull bars; There is chute in the central authorities of pull bar along the longitudinal axis, and an end of two pull bars is fixedly connected with left fixed block with left support bar respectively, and the chute of two pull bars is overlapping relatively; Both sides have the fastening screw screw bolt and nut respectively in the chute, and the structure of right pull bar is identical with left lever.
Above-mentioned three-dimensional fracture reposition instrument; The screw that vertical direction is arranged respectively on said left fixed block and the right fixed block; Be rotary with straight screw rod in the screw, the top jug of straight screw rod, the lower end of straight screw rod is connected with location-plate; The connecting hole that connects Kirschner wire or screw is arranged on the plate face of location-plate, and location-plate is that dismountable jackscrew is connected with the lower end of straight screw rod.
Above-mentioned three-dimensional fracture reposition instrument; The screw of vertical direction is arranged respectively on said left fixed block and the right fixed block, be rotary with straight screw rod in the screw, the top jug of straight screw rod; The lower end of straight screw rod is connected with clamp; Connecting rod is arranged at the top of clamp is that dismountable jackscrew is connected with the lower end of straight screw rod, and the bottom of clamp is two parallel-plates, and the distance of parallel-plate is identical with the width of rumpbone rear posterior superior iliac spine.
Usefulness of the present invention is:
The present invention has the function that fracture is resetted three dimensions adjustment; Left lever and right pull bar can carry out the front and back reset movement to fracture site; Drag link can carry out left and right sides reset movement to fracture site; Can be connected Kirschner wire or screw on a left side fixed block and the right fixed block, make fracture site in displacement up and down.The present invention to the reduction of the fracture accurately, fast; Improved the quality that fracture operation resets; Greatly reduce the difficulty of operation, solved three dimensions in the long-term puzzlement reduction of the fracture operation and be difficult to a difficult problem of carrying out synchronously, can in multiple fracture operation, use; Be a kind of bone surgery set that is widely used and is worth, be worthy of popularization.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is an another kind of structural representation of the present invention;
Fig. 3 is the structural representation of left fixed block of the present invention;
Fig. 4 is the another kind of structural representation of left fixed block of the present invention
Fig. 5 is the connection sketch map of the location-plate of Fig. 3 of the present invention;
Fig. 6 is the connection sketch map of the clamp of Fig. 4 of the present invention.
Labelling is following among the figure: left support bar 1, right support bar 2, left lever 3, right pull bar 4, drag link 5, left fixed block 6, right fixed block 7, rotating shaft 8, brace 9, horizontal screw rod 10, horizontal sleeve 11, slide link 12, chute 13, left screw rod 14, left sleeve 15, right screw rod 16, right sleeve 17, pull bar 18, fastening bolt 19, straight screw rod 20, handle 21, location-plate 22, clamp 23, connecting rod 24, jackscrew 25, Kirschner wire or screw 26, parallel-plate 27.
The specific embodiment
Three-dimensional fracture reposition instrument of the present invention is made up of left support bar 1, right support bar 2, left lever 3, right pull bar 4, drag link 5, left fixed block 6, right fixed block 7.Wherein left support bar 1 and right support bar 2, left lever 3 and right pull bar 4, left fixed block 6 are identical with the structure of right fixed block 7, and in order to distinguish, front end is titled with left and right, and gives different labels.
Show among the figure that left support bar 1 and right support bar 2 make left support bar 1 and right support bar 28 to swing around the shaft for the middle bar that bending is arranged, their end is connected by rotating shaft 8.
Show among the figure that drag link 5 is connected between left support bar 1 and the right support bar 2.Drag link 5 is the pull bar of adjustable length, and Fig. 1,2 is respectively two kinds of various structure of drag link 5.
In Fig. 1; Drag link 5 is made up of two braces 9, two horizontal screw rods 10 and a horizontal sleeve 11; One end of two horizontal screw rods 10 is connected by rotating shaft through brace 9 and left support bar 1 and right support bar 2 respectively; The other end of two horizontal screw rods 10 is connected with the two ends of horizontal sleeve 11 respectively, and the thread rotary orientation of two horizontal screw rods 10 is opposite, has the screw thread of screw thread and horizontal screw rod 10 to be complementary in the horizontal sleeve 11.Because the thread rotary orientation of two horizontal screw rods 10 is opposite, when rotating horizontal sleeve 11, two horizontal screw rods 10 will move to centre or two ends simultaneously.In Fig. 2; Drag link 5 is made up of two slide links 12; The outer end of two slide links 12 is connected by rotating shaft with left support bar 1 and right support bar 2 respectively; The central authorities of slide link 12 have the chute 13 of 13, two slide links 12 of chute overlapping relative along the longitudinal axis, and both sides have fastening bolt 19 and nut respectively in the chute 13.During use, to central authorities or both sides pulling slide link 12, using fastening bolt 19 and nut check then, can adjust the distance between left support bar 1 and the right support bar 2, is that fracture site is in the left and right directions displacement.
Show among the figure that the other end of left support bar 1 and right support bar 2 is connected with right pull bar 4 with left lever 3 respectively, the other end of left lever 3 and right pull bar 4 is connected with right fixed block 7 with left fixed block 6 respectively.Fig. 1,2 is respectively two kinds of various structure of left lever 3 and right pull bar 4.
In Fig. 1; Left lever 3 is made up of two screw rods and a sleeve respectively with right pull bar 4; In order to distinguish; Respectively titled with the label of left screw rod 14, left sleeve 15, right screw rod 16, right sleeve 17, the horizontal screw rod 10 of their structure and connected mode and drag link 5 is identical with the structure and the connected mode of horizontal sleeve 11.In Fig. 2, left lever 3 is made up of two pull bars 18 respectively with right pull bar 4, and their structure is identical with the structure and the connected mode of the slide link 12 of drag link 5 with connected mode.Regulate the length of left lever 3 and right pull bar 4 respectively, the fracture site that can make both sides is respectively in the fore-and-aft direction displacement.
Show among the figure, on left fixed block 6 and right fixed block 7, the skeleton connecting device that can regulate height be installed, Fig. 3,5 and Fig. 4,6 be respectively two kinds of various structure.
In Fig. 3,5; The screw of vertical direction is arranged respectively on left side fixed block 6 and the right fixed block 7, be rotary with straight screw rod 20 in the screw, swing handle 21 is arranged at the top of straight screw rod 20; The lower end of straight screw rod 20 is connected with location-plate 22, and the connecting hole that connects Kirschner wire or screw 26 is arranged on the plate face of location-plate 22.One side of location-plate 22 has protruding cylinder, and is fluted on the cylindrical circumference, and there is the circular hole of vertical direction the lower end of straight screw rod 20; The cylinder of location-plate 22 can be embedded in the circular hole; Side at the circular hole wall has top wire hole, and the position of top wire hole and cylindrical groove are complementary, and jackscrew 25 is selected into top wire hole; Withstand on the groove; Make location-plate 22 become rotary the connection with straight screw rod 20, when so straight screw rod 20 moved up and down, location-plate 22 can keep not rotating with Kirschner wire or screw 26.This structure is regulated straight screw rod 20 through swing handle 21 Kirschner wire or screw 26 drive skeletons is moved up and down in use.In Fig. 4,6, the lower end of straight screw rod 20 is connected with clamp 23, and connecting rod 24 is arranged at the top of clamp 23 is that dismountable jackscrew 25 is connected with the lower end of straight spiral shell 20 bars, and its structure is identical with the connected mode of straight screw rod 20 with location-plate 22.The bottom of clamp 23 is two parallel-plates 27; The distance of parallel-plate 27 is identical with the width of rumpbone rear posterior superior iliac spine; During use, swing handle 21 is regulated the height of straight screw rod 20, makes two parallel-plates 27 be stuck in posterior superior iliac spine both sides, rumpbone rear; And then regulate other parts, left and right directions moves in front and back to drag rumpbone rear posterior superior iliac spine.
This resetting means except can be through utilizing parallel-plate 27 be used to reset posterior ring pelvic damage, also can according to the method described above, be realized resetting of long bone through Kirschner wire or screw 26 being implanted to the two ends of long bone fracture line.
Claims (7)
1. three-dimensional fracture reposition instrument; It is characterized in that: it is made up of left support bar (1), right support bar (2), left lever (3), right pull bar (4), drag link (5), left fixed block (6), right fixed block (7); Left side support bar (1) and right support bar (2) are the middle bar that bending is arranged; Their end is connected by rotating shaft (8); Drag link (5) is the pull bar of adjustable length; Drag link (5) is connected between left support bar (1) and the right support bar (2), and the other end of left support bar (1) and right support bar (2) is connected with right pull bar (4) with left lever (3) respectively, and left lever (3) and right pull bar (4) are the pull bar of adjustable length; The other end of left lever (3) and right pull bar (4) is connected with right fixed block (7) with left fixed block (6) respectively, and the skeleton connecting device that can regulate height is installed on left fixed block (6) and the right fixed block (7).
2. three-dimensional fracture reposition instrument according to claim 1; It is characterized in that: said drag link (5) is made up of two braces (9), two horizontal screw rods (10) and a horizontal sleeve (11); One end of two horizontal screw rods (10) is connected with right support bar (2) with left support bar (1) through brace (9) respectively; The junction is that rotating shaft connects; The other end of two horizontal screw rods (10) is connected with the two ends of horizontal sleeve (11) respectively, and the thread rotary orientation of two horizontal screw rods (10) is opposite, has the screw thread of screw thread and horizontal screw rod (10) to be complementary in the horizontal sleeve (11).
3. three-dimensional fracture reposition instrument according to claim 1; It is characterized in that: said drag link (5) is made up of two slide links (12); The outer end of two slide links (12) is connected with right support bar (2) with left support bar (1) respectively, and the junction is that rotating shaft connects, and there is chute (13) in the central authorities of slide link (12) along the longitudinal axis; The chute (13) of two slide links (12) is overlapping relatively, and both sides have fastening bolt (19) and nut respectively in the chute (13).
4. according to claim 1,2 or 3 described three-dimensional fracture reposition instruments; It is characterized in that: said left lever (3) is made up of two left screw rods (14) and a left sleeve (15); One end of two left screw rods (14) is connected with left fixed block (6) with left support bar (1) respectively; The other end of two left screw rods (14) is connected with the two ends of left sleeve (15) respectively; The thread rotary orientation of two left screw rods (14) is opposite, has the screw thread of screw thread and left screw rod (14) to be complementary in the left sleeve (15), and the structure of right pull bar (4) is identical with left lever (3).
5. according to claim 1,2 or 3 described three-dimensional fracture reposition instruments; It is characterized in that: said left lever (3) is made up of two pull bars (18); There is chute (13) in the central authorities of pull bar (18) along the longitudinal axis; One end of two pull bars (18) is fixedly connected with left fixed block (6) with left support bar (1) respectively; The chute (13) of two pull bars (18) is overlapping relatively, and both sides have fastening bolt (19) and nut respectively in the chute (13), and the structure of right pull bar (4) is identical with left lever (3).
6. according to claim 4 or 5 described three-dimensional fracture reposition instruments; It is characterized in that: the screw that vertical direction is arranged respectively on said left fixed block (6) and the right fixed block (7); Be rotary with straight screw rod (20) in the screw; The top jug (21) of straight screw rod (20); The lower end of straight screw rod (20) is connected with location-plate (22), and the connecting hole that connects Kirschner wire or screw (26) is arranged on the plate face of location-plate (22), and location-plate (22) is that dismountable jackscrew (25) is connected with the lower end of straight screw rod (20).
7. according to claim 4 or 5 described three-dimensional fracture reposition instruments; It is characterized in that: the screw that vertical direction is arranged respectively on said left fixed block (6) and the right fixed block (7); Be rotary with straight screw rod (20) in the screw; The top jug (21) of straight screw rod (20), the lower end of straight screw rod (20) is connected with clamp (23), and connecting rod (24) is arranged at the top of clamp (23) is that dismountable jackscrew (25) is connected with the lower end of straight screw rod (20); The bottom of clamp (23) is two parallel-plates (27), and the distance of parallel-plate (27) is identical with the width of rumpbone rear posterior superior iliac spine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210013962.1A CN102551854B (en) | 2012-01-17 | 2012-01-17 | Three-dimensional fracture repositor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210013962.1A CN102551854B (en) | 2012-01-17 | 2012-01-17 | Three-dimensional fracture repositor |
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| Publication Number | Publication Date |
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| CN102551854A true CN102551854A (en) | 2012-07-11 |
| CN102551854B CN102551854B (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210013962.1A Active CN102551854B (en) | 2012-01-17 | 2012-01-17 | Three-dimensional fracture repositor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015154593A1 (en) * | 2014-04-09 | 2015-10-15 | 张英泽 | 3d repositor for clavicle fracture |
| CN107981925A (en) * | 2017-12-25 | 2018-05-04 | 陈滨 | A kind of pelvis inner support fixed system |
| CN113100901A (en) * | 2021-04-14 | 2021-07-13 | 中南大学湘雅医院 | Bone fracture repositor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5667506A (en) * | 1992-10-22 | 1997-09-16 | Danek Medical, Inc. | Spinal rod transverse connector for supporting vertebral fixation elements |
| US20070293859A1 (en) * | 2006-06-16 | 2007-12-20 | Posnick Jeffrey C | Reconstruction device and method |
| CN201279179Y (en) * | 2008-11-04 | 2009-07-29 | 孙强 | Skull traction bow |
| CN102283699A (en) * | 2011-06-29 | 2011-12-21 | 成永忠 | Combination type ankle joint three-dimensional traction fixing frame |
| CN202654206U (en) * | 2012-01-17 | 2013-01-09 | 张英泽 | Three-dimensional fracture reposition instrument |
-
2012
- 2012-01-17 CN CN201210013962.1A patent/CN102551854B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5667506A (en) * | 1992-10-22 | 1997-09-16 | Danek Medical, Inc. | Spinal rod transverse connector for supporting vertebral fixation elements |
| US20070293859A1 (en) * | 2006-06-16 | 2007-12-20 | Posnick Jeffrey C | Reconstruction device and method |
| CN201279179Y (en) * | 2008-11-04 | 2009-07-29 | 孙强 | Skull traction bow |
| CN102283699A (en) * | 2011-06-29 | 2011-12-21 | 成永忠 | Combination type ankle joint three-dimensional traction fixing frame |
| CN202654206U (en) * | 2012-01-17 | 2013-01-09 | 张英泽 | Three-dimensional fracture reposition instrument |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015154593A1 (en) * | 2014-04-09 | 2015-10-15 | 张英泽 | 3d repositor for clavicle fracture |
| US20160310195A1 (en) * | 2014-04-09 | 2016-10-27 | Yingze Zhang | 3d repositor for clavicle fracture |
| US10398487B2 (en) * | 2014-04-09 | 2019-09-03 | Yingze Zhang | Three-dimentional repositor for claviclar fracture |
| CN107981925A (en) * | 2017-12-25 | 2018-05-04 | 陈滨 | A kind of pelvis inner support fixed system |
| CN107981925B (en) * | 2017-12-25 | 2020-12-25 | 陈滨 | Intra-pelvic support fixing system |
| CN113100901A (en) * | 2021-04-14 | 2021-07-13 | 中南大学湘雅医院 | Bone fracture repositor |
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| CN102551854B (en) | 2014-05-07 |
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