CN205126447U - External direction of rotary type femoral neck and internal fixation configuration device - Google Patents
External direction of rotary type femoral neck and internal fixation configuration device Download PDFInfo
- Publication number
- CN205126447U CN205126447U CN201520962345.5U CN201520962345U CN205126447U CN 205126447 U CN205126447 U CN 205126447U CN 201520962345 U CN201520962345 U CN 201520962345U CN 205126447 U CN205126447 U CN 205126447U
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- CN
- China
- Prior art keywords
- rotary type
- guide rail
- installing plate
- turning block
- femoral head
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- Withdrawn - After Issue
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Abstract
The utility model discloses an external direction of rotary type femoral neck and internal fixation configuration device, include: uide bushing (1), turning block (2), connection guide rail (3), lock nut (4), mounting panel (5), pointer (6). Uide bushing (1) center is guide pin hole (11), turning block (2) are equipped with well dead slot (21), connecting guide rail (3) and including arc portion (31) and the plane portion (32) that is connected, the string and the planar contained angle beta in place of plane portion (32) of arc portion (31) are 110~140, and arc portion (31) is equipped with rectangular shape slotted hole (33), and plane portion (32) is connected fixedly with mounting panel (5). The utility model discloses cooperation image technique can improve the accuracy of fixing a position the guide pin effectively in the femoral neck operation, realize no wound and verify the position of location guide pin.
Description
Technical field
This utility model belongs to orthopedic medical device, auxiliary positioning apparatus.
Background technology
At present, during fracture of femoral neck internal fixation and femur head necrosis improvement decompression grafting of fibula are performed the operation, inserting of guide pin of location is under the guiding of C arm X-ray machine, by doctor's hand-held location guide pin and the guiding apparatus not having fixed position, implement operation, its accuracy, safety and effectiveness are all lower, are difficult to obtain desirable biomechanics configuration in the narrow and small geometric space of neck of femur; Sometimes locate guide pin position inaccurate, need repeatedly to thread a needle, therefore can damage the remaining normal bone structure of femoral head and neck further, cause unnecessary iatrogenic infringement.In addition, repeatedly use X-ray machine show image, patient and doctor will be subject to ionizing radiation, also have certain hazardness.
Utility model content
The purpose of this utility model is avoid deficiency of the prior art and provide the external guiding of a kind of rotary type femoral head and neck and internal fixtion configuration inking device, effectively can improve the accuracy of location guide pin in femoral head and neck operation.
To achieve these goals, this utility model is by the following technical solutions:
The external guiding of rotary type femoral head and neck and internal fixtion configuration inking device, comprising: fairlead, turning block, connection guide rail, locking nut, installing plate, pointer; Described fairlead center is guiding pin hole; Described turning block is provided with hollow groove; The planar portions that described connection guide rail comprises curved portions and is connected, the string of described curved portions and the angle β of planar portions place plane are 110 ° ~ 140 °, and described curved portions is provided with strip slotted eye, and described planar portions and installing plate are connected and fixed; Described installing plate is provided with at least two installing holes; The hollow groove of described turning block is through curved portions, and can arcuately rotate in portion, described fairlead is vertical with curved portions tangent plane to be arranged, be arranged in strip slotted eye by locking nut, described pointer is arranged on the top of turning block, and the axis of pointer and fairlead is positioned at same plane.
Wherein, be arc-shaped curved surface inside described installing plate, described arc-shaped curved surface is provided with some concave and convex stripes.The above and below of described installing plate is provided with the dimpled grain for hand-held or tool holding.
In one embodiment, the planar portions of described connection guide rail and installing plate are that upper section slants outward is arranged, and tiltangleθ is 12 ° ~ 15 °.
In another embodiment, planar portions and the installing plate of described connection guide rail be arranged in parallel, and the arc string of described arc-shaped curved surface and the angle γ of planar portions place plane are 12 ° ~ 15 °.
Preferably, the planar portions of described connection guide rail is provided with observation through hole.The curved portions of described connection guide rail is provided with scale.
Preferably, above described turning block, be provided with positioning boss, below described pointer, be provided with locating dowel, in described locating dowel, be provided with the groove matched with positioning boss.
Owing to have employed above-mentioned structure, this utility model has following beneficial effect:
1, turning block rotates along connection guide rail, the α Angulation changes of fairlead and installing plate, and the axis of fairlead is that the center of circle is rotated with entry point, is maintained across default entry point, can not changes because of α angle adjustment;
2, coordinate image technology, implement the accuracy that femoral head and neck operation improves location guide pin effectively;
3, coordinate guider to configure follow-up screw and the position of fibula, improve accuracy, reach the biomechanics requirement meeting equilateral triangle or del;
4, the position of hurtless measure checking location guide pin can be realized, solve the problem that hand operation is unstable, accuracy rate is low.There is lower apparatus cost.
Accompanying drawing explanation
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in accompanying drawing does not form any restriction of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the following drawings.
Fig. 1 is the schematic perspective view of this utility model embodiment one.
Fig. 2 is the decomposing schematic representation of Fig. 1.
Fig. 3 is the schematic diagram that the connection guide rail of embodiment one is connected with installing plate.
Fig. 4 is the schematic diagram of the installing plate of embodiment two.
Primary clustering symbol description:
1: fairlead, 11: guiding pin hole
2: turning block, 21: hollow groove, 22: positioning boss
3: connection guide rail, 31: curved portions, 32: planar portions, 33: strip slotted eye, 34: observe through hole
4: locking nut
5: installing plate, 51: installing hole, 52: arc-shaped curved surface, 53: concave and convex stripe, 54: dimpled grain
6: pointer, 61: locating dowel, 62: groove.
Detailed description of the invention
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
Embodiment one
As shown in Figure 1 and Figure 2, this utility model device comprises: fairlead 1, turning block 2, connection guide rail 3, locking nut 4, installing plate 5, pointer 6.
Turning block 2 is provided with hollow groove 21, is provided with positioning boss 22 above turning block 2.
The planar portions 32 that connection guide rail 3 comprises curved portions 31 and is connected, the string of curved portions 31 and the angle β of planar portions 32 place plane are 110 ° ~ 140 °, and curved portions 31 is provided with strip slotted eye 33, and planar portions 32 and installing plate 5 are connected and fixed; Installing plate 5 is provided with at least two installing holes 51, and the present embodiment is provided with three row three and arranges evenly distributed installing hole 51, according to the difference adjustment installation site of human bone stock when being convenient to install.The planar portions 32 of connection guide rail 3 being provided with and observing through hole 34, during installation, the position relevant with top rake, location can be observed by observing through hole 34.The curved portions 31 of connection guide rail 3 is provided with scale, is convenient to accurate adjustment.The hollow groove 21 of turning block 2 through curved portions 31, and can arcuately rotate in portion 31.
Fairlead 1 center is guiding pin hole 11, and fairlead 1 is vertical with curved portions 31 tangent plane to be arranged, and is arranged in strip slotted eye 33 by locking nut 4.
Pointer 6 is arranged on the top of turning block 2, and pointer 6 is positioned at same plane with the axis of fairlead 1.Be provided with locating dowel 61 below pointer 6, in locating dowel 61, be provided with the groove 62 matched with positioning boss 22.The groove 62 of locating dowel 61 is aimed at the nested installation of positioning boss 22, accurate positioning.Groove 62 and positioning boss 22 are arranged to square, prevent from rotating.
Shown in composition graphs 3, be arc-shaped curved surface 52 inside installing plate 5, arc-shaped curved surface 52 is provided with some concave and convex stripes 53.The above and below of installing plate 5 is provided with the dimpled grain 54 for hand-held or tool holding.Planar portions 32 and installing plate 5 upper section slants outward of connection guide rail 3 are arranged, and tiltangleθ is 12 ° ~ 15 °.
When this utility model uses, as shown in Figure 2, the β angle of several different range angles can be designed, form a set of equipment and use, be convenient to do coupling according to the collodiaphyseal angle of different people and be suitable for.The seven kinds of a set of armarium of connection guide rail 3 one-tenth being respectively 110 °, 115 °, 120 °, 125 °, 130 °, 135 °, 140 ° as designed β angle are supplied to doctor's use.As shown in Figure 3, design the θ angle of several different range angles, form a set of equipment and use, be convenient to do coupling according to the top rake of different people and be suitable for.Four suits being respectively 12 °, 13 °, 14 °, 15 ° as designed θ angle are set to a set of armarium and are supplied to doctor and use.
Of the present utility modelly install and use process details are as follows:
1, after knowing the collodiaphyseal angle of patient and the data of top rake, femur rod does the labelling of inserting needle labelling and installation site, installation site parameter comprises top rake, collodiaphyseal angle, pointer 6 overlap with default inserting needle line.
2, on femur rod, bore installing hole, installing plate 5 is fixed on femur rod, thus fixture.Observe top rake and whether meet predetermined angular, if do not met, adjustment θ angle, until meet.
3, install pointer 6, under C arm X-ray machine or navigator etc. are image-guided, whether parallelly with collodiaphyseal angle observe pointer 6, if not parallel, test error value, changes connection guide rail 3 equipment at different beta angle, until pointer 6 is parallel with collodiaphyseal angle.
Whether, 4, under C arm X-ray machine or navigator etc. are image-guided, observe pointer 6 and overlap with default inserting needle line, if do not overlapped, adjustment turning block 2, changes α angle, until overlap with predetermined inserting needle line, and rotational lock nut 4, fixing turning block 2.After above-mentioned work completes, the axis of fairlead 1 just overlaps with predetermined inserting needle line.Under C arm X-ray machine or navigator etc. are image-guided, location guide pin (Kirschner wire) is guided to arrive precalculated position by the guiding pin hole 11 of fairlead 1.
Embodiment two
The present embodiment device comprises: fairlead 1, turning block 2, connection guide rail 3, locking nut 4, installing plate 5, pointer 6.
In the present embodiment, the structure of fairlead 1, turning block 2, connection guide rail 3, locking nut 4, pointer 6 is identical with enforcement one.
As shown in Figure 4: be arc-shaped curved surface 52 inside the installing plate 5 of the present embodiment, arc-shaped curved surface 52 is provided with some concave and convex stripes 53.The above and below of installing plate 5 is provided with the dimpled grain 54 for hand-held or tool holding.Planar portions 32 and the installing plate 5 of connection guide rail 3 be arranged in parallel, and the arc string of arc-shaped curved surface 52 and the angle γ of planar portions 32 place plane are 12 ° ~ 15 °.
When this utility model uses, as shown in Figure 2, the β angle of several different range angles can be designed, form a set of equipment and use, be convenient to do coupling according to the collodiaphyseal angle of different people and be suitable for.The seven kinds of a set of armarium of connection guide rail 3 one-tenth being respectively 110 °, 115 °, 120 °, 125 °, 130 °, 135 °, 140 ° as designed β angle are supplied to doctor's use.As shown in Figure 4, design the installing plate 5 at the γ angle of several different range angles, form a set of equipment and use, be convenient to do coupling according to the top rake of different people and be suitable for.The four kinds of devices being respectively 12 °, 13 °, 14 °, 15 ° as designed γ angle become a set of armarium to be supplied to doctor's use.
Process of installing and using and the embodiment one of the present embodiment are similar:
1, after knowing the collodiaphyseal angle of patient and the data of top rake, femur rod does the labelling of inserting needle labelling and installation site, installation site parameter comprises top rake, collodiaphyseal angle, pointer 6 overlap with default inserting needle line.
2, on femur rod, bore installing hole, installing plate 5 is fixed on femur rod, thus fixture.Observe top rake and whether meet predetermined angular, if do not met, change the equipment at different γ angle, until meet.
3, install pointer 6, under C arm X-ray machine or navigator etc. are image-guided, whether parallelly with collodiaphyseal angle observe pointer 6, if not parallel, test error value, changes the equipment at different beta angle, until pointer 6 is parallel with collodiaphyseal angle.
Whether, 4, under C arm X-ray machine or navigator etc. are image-guided, observe pointer 6 and overlap with default inserting needle line, if do not overlapped, adjustment turning block 2, changes α angle, until overlap with predetermined inserting needle line, and rotational lock nut 4, fixing turning block 2.After above-mentioned work completes, the axis of fairlead 1 just overlaps with predetermined inserting needle line.Under C arm X-ray machine or navigator etc. are image-guided, location guide pin (Kirschner wire) is guided to arrive precalculated position by the guiding pin hole 11 of fairlead 1.
This utility model structure is simple, coordinates image technology to regulate top rake and collodiaphyseal angle, realizes femoral head and neck and leads outward and the object of internal fixtion configuration, effectively improve the accuracy of location guide pin, suitablely promotes.
In a word; although this utility model illustrates above-mentioned preferred implementation; but should illustrate; although those skilled in the art can carry out various change and remodeling; unless such change and remodeling deviate from scope of the present utility model, otherwise all should be included in protection domain of the present utility model.
Claims (8)
1. the external guiding of rotary type femoral head and neck and internal fixtion configuration inking device, comprising: fairlead (1), turning block (2), connection guide rail (3), locking nut (4), installing plate (5), pointer (6); Described fairlead (1) center is guiding pin hole (11); Described turning block (2) is provided with hollow groove (21); The planar portions (32) that described connection guide rail (3) comprises curved portions (31) and is connected, the string of described curved portions (31) and the angle β of planar portions (32) place plane are 110 ° ~ 140 °, described curved portions (31) is provided with strip slotted eye (33), and described planar portions (32) and installing plate (5) are connected and fixed; Described installing plate (5) is provided with at least two installing holes (51);
The hollow groove (21) of described turning block (2) is through curved portions (31), and can arcuately portion (31) rotate, described fairlead (1) is vertical with curved portions (31) tangent plane to be arranged, be arranged in strip slotted eye (33) by locking nut (4), described pointer (6) is arranged on the top of turning block (2), and pointer (6) is positioned at same plane with the axis of fairlead (1).
2. the external guiding of rotary type femoral head and neck according to claim 1 and internal fixtion configuration inking device, it is characterized in that: described installing plate (5) inner side is arc-shaped curved surface (52), and described arc-shaped curved surface (52) is provided with some concave and convex stripes (53).
3. the external guiding of rotary type femoral head and neck according to claim 2 and internal fixtion configuration inking device, is characterized in that: the above and below of described installing plate (5) is provided with the dimpled grain (54) for hand-held or tool holding.
4. the external guiding of rotary type femoral head and neck according to claim 2 and internal fixtion configuration inking device, it is characterized in that: planar portions (32) and the installing plate (5) of described connection guide rail (3) are arranged in upper section slants outward, and tiltangleθ is 12 ° ~ 15 °.
5. the external guiding of rotary type femoral head and neck according to claim 2 and internal fixtion configuration inking device, it is characterized in that: planar portions (32) and the installing plate (5) of described connection guide rail (3) be arranged in parallel, and the arc string of described arc-shaped curved surface (52) and the angle γ of planar portions (32) place plane are 12 ° ~ 15 °.
6. the external guiding of rotary type femoral head and neck according to claim 1 and internal fixtion configuration inking device, is characterized in that: the planar portions (32) of described connection guide rail (3) is provided with and observes through hole (34).
7. the external guiding of rotary type femoral head and neck according to claim 1 and internal fixtion configuration inking device, is characterized in that: the curved portions (31) of described connection guide rail (3) is provided with scale.
8. the external guiding of rotary type femoral head and neck according to claim 1 and internal fixtion configuration inking device, it is characterized in that: described turning block (2) top is provided with positioning boss (22), described pointer (6) below is provided with locating dowel (61), is provided with the groove (62) matched with positioning boss (22) in described locating dowel (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520962345.5U CN205126447U (en) | 2015-11-27 | 2015-11-27 | External direction of rotary type femoral neck and internal fixation configuration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520962345.5U CN205126447U (en) | 2015-11-27 | 2015-11-27 | External direction of rotary type femoral neck and internal fixation configuration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205126447U true CN205126447U (en) | 2016-04-06 |
Family
ID=55612275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520962345.5U Withdrawn - After Issue CN205126447U (en) | 2015-11-27 | 2015-11-27 | External direction of rotary type femoral neck and internal fixation configuration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205126447U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105310756A (en) * | 2015-11-27 | 2016-02-10 | 庞智晖 | Rotary external guiding and internal fixing configuration configuring device for femoral head and neck |
| CN107149490A (en) * | 2017-05-18 | 2017-09-12 | 汤向阳 | A kind of complete positioner of artificial full hip-joint replacement |
-
2015
- 2015-11-27 CN CN201520962345.5U patent/CN205126447U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105310756A (en) * | 2015-11-27 | 2016-02-10 | 庞智晖 | Rotary external guiding and internal fixing configuration configuring device for femoral head and neck |
| CN107149490A (en) * | 2017-05-18 | 2017-09-12 | 汤向阳 | A kind of complete positioner of artificial full hip-joint replacement |
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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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160406 Effective date of abandoning: 20170808 |