CN202654206U - Three-dimensional fracture reposition instrument - Google Patents
Three-dimensional fracture reposition instrument Download PDFInfo
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- CN202654206U CN202654206U CN 201220020596 CN201220020596U CN202654206U CN 202654206 U CN202654206 U CN 202654206U CN 201220020596 CN201220020596 CN 201220020596 CN 201220020596 U CN201220020596 U CN 201220020596U CN 202654206 U CN202654206 U CN 202654206U
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Abstract
The utility model discloses a three-dimensional fracture reposition instrument, which belongs to the technical field of orthopedic medical appliances and is used for performing three-dimensional spatial reposition on fractured skeletons. According to the technical scheme of the utility model, the three-dimensional fracture reposition instrument consists of a left support rod, a right support rod, a left pull rod, a right pull rod, a transverse pull rod, a left fixing block and a right fixing block, wherein the left support rod and the right support rod are rods which are bent in the middles; one ends of the left support rod and the right support rod are connected with each other through a revolving shaft; the transverse pull rod is an adjustable-length pull rod, and is connected between the left support rod and the right support rod; the other ends of the left support rod and the right support rod are connected with the left pull rod and the right pull rod respectively; the left pull rod and the right pull rod are adjustable-length pull rods; the other ends of the left pull rod and the right pull rod are connected with the left fixing block and the right fixing block respectively; and adjustable-height skeleton connecting devices are arranged on the left fixing block and the right fixing block. According to the three-dimensional fracture reposition instrument, fractures are repositioned accurately and rapidly, the operation difficulty is lowered, and the problem of difficulty in performing in a three-dimensional space synchronously bothering fracture reposition operation for a long time is solved.
Description
Technical field
This is novel relate to a kind of in Orthopedic Clinical the skeleton to fracture 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 load that fracture occurs 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 the therapeutic scheme that the fracture for the treatment of displacement is most widely used, and wherein fracture anatomical reduction is strong fixedly is the important prerequisite that postoperative obtains good function.Specifically, after fracturing, often there is the displacement of different directions and degree at the fracture two ends, for example can be observed up and down displacement at sagittal plane, 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 displacement on a plane but these positors often can only reset, can not take into account simultaneously the displacement of different azimuth on the space of fracture, this is just had two-dimensional shift, or the fracture of three-dimensional displacement is carried out parking position accuracy and caused difficulty, greatly increased the difficulty of operative reduction, 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.
The utility model content
This novel technical problem to be solved provides a kind of three-dimensional fracture repositor that can improve clinically the difficulty of operative reduction quality, reduction operative reduction, reach parking position accuracy at three dimensions.
The technical scheme that solves the problems of the technologies described above is:
A kind of three-dimensional fracture repositor, it is by the left support bar, the right support bar, left lever, right pull bar, drag link, left fixed block, right fixed block forms, left support bar and right support bar are the middle bar that bending is arranged, 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, the other end of left support bar and right support bar is connected with right pull bar with left lever respectively, 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 repositor, described drag link is comprised of two braces, two horizontal screw rods and a horizontal sleeve, one end of two horizontal screw rods is connected with the right support bar with the left support bar by brace respectively, the junction is that rotating shaft connects, the other end of two horizontal screw rods is connected with the two ends of horizontal sleeve 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 repositor, described drag link is comprised of two slide links, the outer end of two slide links is connected with the right support bar with the left support bar respectively, the junction is that rotating shaft connects, there is chute in the central authorities of slide link along the longitudinal axis, the chute of two slide links is overlapping relatively, and there is respectively the fastening screw screw bolt and nut both sides in the chute.
Above-mentioned three-dimensional fracture repositor, described left lever is comprised of two left screw rods and a left sleeve, one end of two left screw rods is connected with left fixed block with the left support bar respectively, the other end of two left screw rods is connected with the two ends of left sleeve respectively, 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 repositor, described left lever is comprised of two pull bars, there is chute in the central authorities of pull bar along the longitudinal axis, one end of two pull bars is fixedly connected with left fixed block with the left support bar respectively, the chute of two pull bars is overlapping relatively, there is respectively the fastening screw screw bolt and nut both sides in the chute, and the structure of right pull bar is identical with left lever.
Above-mentioned three-dimensional fracture repositor, the screw that vertical direction is arranged respectively on described 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 repositor, the screw that vertical direction is arranged respectively on described 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.
This novel usefulness is:
This is novel to have 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, left fixed block can connect Kirschner wire or screw with being connected on the fixed block, makes fracture site in up and down displacement.This is novel to the reduction of the fracture accurately, fast, improved the quality that fracture operation resets, greatly reduce the difficulty of operation, solve 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 this novel structural representation;
Fig. 2 is this novel another kind of structural representation;
Fig. 3 is the structural representation of this novel left fixed block;
Fig. 4 is the another kind of structural representation of this novel left fixed block
Fig. 5 is the connection diagram of the location-plate of this novel Fig. 3;
Fig. 6 is the connection diagram of the clamp of this novel Fig. 4.
Labelling is as follows 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 repositor of the present utility model is comprised 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, left support bar 1 and right support bar 2 are connected by rotating shaft 8 for the middle bar that bending is arranged, their end, so that left support bar 1 and right support bar 2 can 8 swing around the shaft.
Show among the figure, 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 different structures of drag link 5.
In Fig. 1, drag link 5 is comprised 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 by 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, 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 be simultaneously to the centre or two ends move.In Fig. 2, drag link 5 is comprised 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, 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 relative, and there are respectively fastening bolt 19 and nut in both sides in the chute 13.During use, to central authorities or both sides pulling slide link 12, then use fastening bolt 19 and nut check, namely the distance between capable of regulating 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, 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 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 left lever 3 and two kinds of right pull bar 4 different structures.
In Fig. 1, left lever 3 and right pull bar 4 are comprised of two screw rods and a sleeve respectively, 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 structure and the connected mode of horizontal sleeve 11.In Fig. 2, left lever 3 and right pull bar 4 are comprised of two pull bars 18 respectively, and their structure is identical with structure and the connected mode of the slide link 12 of drag link 5 with connected mode.Regulate respectively the length of left lever 3 and right pull bar 4, can make the fracture site of both sides respectively in the fore-and-aft direction displacement.
Show among the figure, at left fixed block 6 and right fixed block 7 the skeleton connecting device that can regulate height is installed, Fig. 3,5 is respectively two kinds of different structures with Fig. 4,6.
In Fig. 3,5, the screw that vertical direction is arranged respectively on left fixed block 6 and the right fixed block 7 is 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 the cylinder of projection, fluted on the cylindrical circumference, 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, the position of top wire hole and cylindrical groove are complementary, 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 and Kirschner wire or screw 26 can keep not rotating.This structure is regulated straight screw rod 20 by 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, make two parallel-plates 27 be stuck in posterior superior iliac spine both sides, rumpbone rear, and then regulate other parts, direction moves all around to drag rumpbone rear posterior superior iliac spine.
This resetting means except can be by utilizing the parallel-plate 27 posterior ring pelvic damage that is used for resetting, also can by Kirschner wire or screw 26 being implanted to the two ends of long bone fracture line, according to the method described above, be realized resetting of long bone.
Claims (7)
1. three-dimensional fracture repositor, it is characterized in that: it is by 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) forms, left 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), 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, 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 repositor according to claim 1, it is characterized in that: described drag link (5) is by two braces (9), two horizontal screw rods (10) and a horizontal sleeve (11) form, one end of two horizontal screw rods (10) is connected with right support bar (2) with left support bar (1) by 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, 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 repositor according to claim 1, it is characterized in that: described drag link (5) is comprised 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, the junction is that rotating shaft connects, 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 there are respectively fastening bolt (19) and nut in both sides in the chute (13).
4. according to claim 1,2 or 3 described three-dimensional fracture repositors, it is characterized in that: described left lever (3) is comprised 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, have the screw thread of screw thread and left screw rod (14) to be complementary in the left sleeve (15), 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 repositors, it is characterized in that: described left lever (3) is comprised 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, there are respectively fastening bolt (19) and nut in both sides in the chute (13), and the structure of right pull bar (4) is identical with left lever (3).
6. three-dimensional fracture repositor according to claim 5, it is characterized in that: the screw that vertical direction is arranged respectively on described 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), 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. three-dimensional fracture repositor according to claim 5, it is characterized in that: the screw that vertical direction is arranged respectively on described 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), 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 |
|---|---|---|---|
| CN 201220020596 CN202654206U (en) | 2012-01-17 | 2012-01-17 | Three-dimensional fracture reposition instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220020596 CN202654206U (en) | 2012-01-17 | 2012-01-17 | Three-dimensional fracture reposition instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202654206U true CN202654206U (en) | 2013-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220020596 Expired - Lifetime CN202654206U (en) | 2012-01-17 | 2012-01-17 | Three-dimensional fracture reposition instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202654206U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102551854A (en) * | 2012-01-17 | 2012-07-11 | 张英泽 | Three-dimensional fracture repositor |
| CN103892896A (en) * | 2014-04-09 | 2014-07-02 | 张英泽 | Three-dimensional restorer for fractured clavicles |
-
2012
- 2012-01-17 CN CN 201220020596 patent/CN202654206U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102551854A (en) * | 2012-01-17 | 2012-07-11 | 张英泽 | Three-dimensional fracture repositor |
| CN103892896A (en) * | 2014-04-09 | 2014-07-02 | 张英泽 | Three-dimensional restorer for fractured clavicles |
| CN103892896B (en) * | 2014-04-09 | 2015-07-08 | 张英泽 | Three-dimensional restorer for fractured clavicles |
| WO2015154593A1 (en) * | 2014-04-09 | 2015-10-15 | 张英泽 | 3d repositor for clavicle fracture |
| US10398487B2 (en) | 2014-04-09 | 2019-09-03 | Yingze Zhang | Three-dimentional repositor for claviclar fracture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130109 Effective date of abandoning: 20140507 |
|
| RGAV | Abandon patent right to avoid regrant |