CN105310756B - Rotary type femoral head and neck is oriented to and interior fixed configuration configuration device in vitro - Google Patents
Rotary type femoral head and neck is oriented to and interior fixed configuration configuration device in vitro Download PDFInfo
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- CN105310756B CN105310756B CN201510843373.XA CN201510843373A CN105310756B CN 105310756 B CN105310756 B CN 105310756B CN 201510843373 A CN201510843373 A CN 201510843373A CN 105310756 B CN105310756 B CN 105310756B
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- femoral head
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- rotary type
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Abstract
It is oriented in vitro and interior fixed configuration configuration device the invention discloses a kind of rotary type femoral head and neck, including：Guide sleeve（1）, turning block（2）, connection guide rail（3）, locking nut（4）, installing plate（5）, indicator (6).Guide sleeve（1）Center is guiding pin hole（11）；Turning block（2）Provided with hollow groove（21）；Connect guide rail（3）Including curved portions（31）And the planar portions being connected（32）, curved portions（31）String and planar portions（32）The angle β of place plane be 110 °~140 °, curved portions（31）Provided with strip slotted eye（33）, planar portions（32）With installing plate（5）It is connected.The present invention coordinates image technology, and the accuracy of positioning guide pin can be effectively improved in femoral head and neck operation, realizes the position of hurtless measure checking positioning guide pin.
Description
Technical field
The invention belongs to orthopedic medical device, auxiliary positioning apparatus.
Background technology
At present, in fracture of neck of femur internal fixation and caput femoris necrosis improvement decompression grafting of fibula operation, guide pin is positioned
To insert be under the guiding of C arm X-ray machines, by the hand-held positioning guide pin of doctor and guide instrument without fixed position, implementation hand
Art, its accuracy, security and validity are all relatively low, it is difficult to obtain preferable Biological Strength in the narrow and small geometric space of neck of femur
Learn configuration；Sometimes positioning guide pin position is inaccurate, it is necessary to repeatedly thread a needle, therefore it is remaining just further to damage femoral head and neck
Normal bone structure, causes unnecessary iatrogenic infringement.In addition, X-ray machine, which is used for multiple times, shows image, patient and doctor are subjected to
Ionising radiation, also there is certain harmfulness.
The content of the invention
A kind of rotary type femoral head and neck is provided and led in vitro it is an object of the invention to avoid of the prior art not enough
To with interior fixed configuration configuration device, with femoral head and neck perform the operation can effectively improve positioning guide pin accuracy.
To achieve these goals, the present invention uses following technical scheme：
Rotary type femoral head and neck is oriented to and interior fixed configuration configuration device in vitro, including：Guide sleeve, turning block, company
Connect guide rail, locking nut, installing plate, indicator；Described guide sleeve center is guiding pin hole；During described turning block is provided with
Dead slot；Described connection guide rail includes curved portions and the planar portions being connected, and the string of described curved portions is put down with planar portions place
The angle β in face is 110 °~140 °, and described curved portions are provided with strip slotted eye, and described planar portions are connected solid with installing plate
It is fixed；Described installing plate is provided with least two mounting holes；The hollow groove of described turning block passes through curved portions, and can be along arc
Shape portion is rotated, and described guide sleeve is vertically arranged with curved portions tangent plane, is arranged on by locking nut in strip slotted eye, described
Indicator be arranged on the top of turning block, and the axis of indicator and guide sleeve is generally aligned in the same plane.
Wherein, on the inside of described installing plate it is arc-shaped curved surface, described arc-shaped curved surface is provided with some concave and convex stripes.It is described
Installing plate above and below be provided with for hand-held or instrument clamping dimpled grain.
In one embodiment, the planar portions of described connection guide rail are set with installing plate in upper section slants outward, tiltangleθ
For 12 °~15 °.
In another embodiment, the planar portions of described connection guide rail be arranged in parallel with installing plate, described arc-shaped curved surface
Arc string and planar portions where the angle γ of plane be 12 °~15 °.
Preferably, it is provided with observation through hole in the planar portions of described connection guide rail.The curved portions of described connection guide rail
It is provided with scale.
Preferably, it is provided with above described turning block below positioning boss, described indicator and is provided with locating dowel,
Provided with the groove being engaged with positioning boss in described locating dowel.
As a result of above-mentioned structure, the present invention has the advantages that：
1st, turning block is rotated along connection guide rail, the α angulation changes of guide sleeve and installing plate, and the axis of guide sleeve is to enter
Pin mark rotates for the center of circle, keeps through default entry point, will not change because of α angle adjustments；
2nd, coordinate image technology, implement the accuracy that femoral head and neck operation effectively improves positioning guide pin；
3rd, coordinate the position of the follow-up screw of guider configuration and fibula, improve accuracy, reach and meet equilateral triangle
Or the biomethanics requirement of del；
4th, the position of hurtless measure checking positioning guide pin can be realized, the problem of hand operation is unstable, accuracy rate is low is solved.
With relatively low apparatus cost.
Brief description of the drawings
Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not constitute any limit to the present invention
System, for one of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to the following drawings
Other accompanying drawings.
Fig. 1 is the schematic perspective view of the embodiment of the present invention one.
Fig. 2 is Fig. 1 decomposing schematic representation.
Fig. 3 is the connection guide rail of embodiment one and the schematic diagram of installing plate connection.
Fig. 4 is the schematic diagram of the installing plate of embodiment two.
Primary clustering symbol description：
1：Guide sleeve, 11：It is oriented to pin hole
2：Turning block, 21：Hollow groove, 22：Positioning boss
3：Connect guide rail, 31：Curved portions, 32：Planar portions, 33：Strip slotted eye, 34：Observe through hole
4：Locking nut
5：Installing plate, 51：Mounting hole, 52：Arc-shaped curved surface, 53：Concave and convex stripe, 54：Dimpled grain
6：Indicator, 61：Locating dowel, 62：Groove.
Embodiment
In order that those skilled in the art more fully understands technical scheme, it is below in conjunction with the accompanying drawings and specific real
Applying example, the present invention is described in further detail.
Embodiment one
As shown in Figure 1 and Figure 2, apparatus of the present invention include：Guide sleeve 1, turning block 2, connection guide rail 3, locking nut 4, peace
Fill plate 5, indicator 6.
Turning block 2 is provided with hollow groove 21, and the top of turning block 2 is provided with positioning boss 22.
Connection guide rail 3 includes curved portions 31 and the planar portions 32 being connected, and the string of curved portions 31 where planar portions 32 with putting down
The angle β in face is 110 °~140 °, and curved portions 31 are provided with strip slotted eye 33, and planar portions 32 are connected with installing plate 5；Install
Plate 5 is provided with least two mounting holes 51, and the present embodiment is provided with three rows three and arranges evenly distributed mounting hole 51, when being easily installed
According to the different adjustment installation sites of human body bone stock.Observation through hole 34 is provided with the planar portions 32 for connecting guide rail 3, is led to during installation
The positioning position relevant with top rake can be observed by crossing observation through hole 34.The curved portions 31 for connecting guide rail 3 are provided with scale, are easy to
Accurate adjustment.The hollow groove 21 of turning block 2 passes through curved portions 31, and arcuately can rotate in portion 31.
The center of guide sleeve 1 is is oriented to pin hole 11, and guide sleeve 1 is vertically arranged with the tangent plane of curved portions 31, pacified by locking nut 4
In strip slotted eye 33.
Indicator 6 is arranged on the top of turning block 2, and indicator 6 and the axis of guide sleeve 1 are generally aligned in the same plane.Refer to
Show that the lower section of pin 6 is provided with locating dowel 61, locating dowel 61 provided with the groove 62 being engaged with positioning boss 22.By locating dowel 61
The alignment of groove 62 positioning boss 22 is nested to be installed, accurate positioning.Groove 62 and positioning boss 22 are set into squarely, anti-rotation stop
It is dynamic.
With reference to shown in Fig. 3, the inner side of installing plate 5 is arc-shaped curved surface 52, and arc-shaped curved surface 52 is provided with some concave and convex stripes 53.Peace
The above and below for filling plate 5 is provided with for hand-held or instrument clamping dimpled grain 54.Connect in the planar portions 32 and installing plate 5 of guide rail 3
Portion is outward-dipping to be set, and tiltangleθ is 12 °~15 °.
The present invention is in use, as shown in Fig. 2 the β angles of several different range angles can be designed, forming a set of equipment makes
With, be easy to according to the collodiaphyseal angle of different people do matching be applicable.Such as design β angles be respectively 110 °, 115 °, 120 °, 125 °,
130 °, 135 °, 140 ° of seven kinds of connection guide rails 3 are supplied to doctor to use into a set of Medical Devices.As shown in Figure 3, design some
The θ angles of individual different range angle, form a set of equipment and use, and are easy to do to match according to the top rake of different people to be applicable.Such as set
Meter θ angles are respectively that 12 °, 13 °, 14 °, 15 ° of four suits are set to a set of Medical Devices and are supplied to doctor to use.
Details are as follows for the process of installing and using of the present invention：
1st, know after the collodiaphyseal angle of patient and the data of top rake, inserting needle mark and the mark of installation site are done on femur rod
Note, installation site parameter includes top rake, collodiaphyseal angle, indicator 6 and overlapped with presetting into needlework.
2nd, mounting hole is bored on femur rod, installing plate 5 is fixed on femur rod, so that fixing device.Observe top rake
Whether meet predetermined angular, if do not met, θ angles are adjusted, until meeting.
3rd, install indicator 6, in the case where C arms X-ray machine or navigator etc. are image-guided, observation indicator 6 whether with collodiaphyseal angle
Parallel, if not parallel, test error value changes the equipment of connection guide rail 3 at different beta angle, until indicator 6 and collodiaphyseal angle are flat
OK.
4th, in the case where C arms X-ray machine or navigator etc. are image-guided, whether observation indicator 6 overlaps with presetting into needlework, if
It is misaligned, turning block 2 is adjusted, changes α angles, until with making a reservation for overlap into needlework, rotational lock nut 4, fixed rotate is slided
Block 2.After the completion of above-mentioned work, the axis of guide sleeve 1 is just with making a reservation for overlap into needlework.Draw in the image such as C arms X-ray machine or navigator
Lead down, pass through the guiding positioning guide pin of guiding pin hole 11 of guide sleeve 1（Kirschner wire）Reach precalculated position.
Embodiment two
The present embodiment device includes：Guide sleeve 1, turning block 2, connection guide rail 3, locking nut 4, installing plate 5, indicator
6。
In the present embodiment, guide sleeve 1, turning block 2, connection guide rail 3, locking nut 4, the structure of indicator 6 and implementation
One is identical.
As shown in Figure 4：The inner side of installing plate 5 of the present embodiment is arc-shaped curved surface 52, and arc-shaped curved surface 52 is provided with some bumps
Striped 53.The above and below of installing plate 5 is provided with for hand-held or instrument clamping dimpled grain 54.Connect guide rail 3 planar portions 32 with
Installing plate 5 be arranged in parallel, and the arc string of arc-shaped curved surface 52 is 12 °~15 ° with the angle γ of the place plane of planar portions 32.
The present invention is in use, as shown in Fig. 2 the β angles of several different range angles can be designed, forming a set of equipment makes
With, be easy to according to the collodiaphyseal angle of different people do matching be applicable.Such as design β angles be respectively 110 °, 115 °, 120 °, 125 °,
130 °, 135 °, 140 ° of seven kinds of connection guide rails 3 are supplied to doctor to use into a set of Medical Devices.As shown in figure 4, design is some
The installing plate 5 at the γ angles of individual different range angle, forms a set of equipment and uses, be easy to be matched according to the top rake of different people
It is applicable.Such as design four kinds of devices that γ angles are respectively 12 °, 13 °, 14 °, 15 ° is supplied to doctor to use into a set of Medical Devices.
The present embodiment to install and use process similar with embodiment one：
1st, know after the collodiaphyseal angle of patient and the data of top rake, inserting needle mark and the mark of installation site are done on femur rod
Note, installation site parameter includes top rake, collodiaphyseal angle, indicator 6 and overlapped with presetting into needlework.
2nd, mounting hole is bored on femur rod, installing plate 5 is fixed on femur rod, so that fixing device.Observe top rake
Whether predetermined angular is met, if do not met, the equipment for changing different γ angles, until meeting.
3rd, install indicator 6, in the case where C arms X-ray machine or navigator etc. are image-guided, observation indicator 6 whether with collodiaphyseal angle
It is parallel, if not parallel, test error value, the equipment for changing different beta angle, until indicator 6 is parallel with collodiaphyseal angle.
4th, in the case where C arms X-ray machine or navigator etc. are image-guided, whether observation indicator 6 overlaps with presetting into needlework, if
It is misaligned, turning block 2 is adjusted, changes α angles, until with making a reservation for overlap into needlework, rotational lock nut 4, fixed rotate is slided
Block 2.After the completion of above-mentioned work, the axis of guide sleeve 1 is just with making a reservation for overlap into needlework.Draw in the image such as C arms X-ray machine or navigator
Lead down, pass through the guiding positioning guide pin of guiding pin hole 11 of guide sleeve 1（Kirschner wire）Reach precalculated position.
The present invention is simple in construction, coordinates image technology regulation top rake and collodiaphyseal angle, realize be oriented to outside femoral head and neck and
The purpose of interior fixed configuration, effectively improves the accuracy of positioning guide pin, suitable to promote.
In a word, although the present invention illustrates above-mentioned preferred embodiment, although it should be noted that those skilled in the art
Member can carry out various change and remodeling, unless such change and remodeling deviate from the scope of the present invention, otherwise should all wrap
Include within the scope of the present invention.
Claims (8)
1. rotary type femoral head and neck is oriented to and interior fixed configuration configuration device in vitro, including：Guide sleeve（1）, turning block
（2）, connection guide rail（3）, locking nut（4）, installing plate（5）, indicator (6)；Described guide sleeve（1）Center is guiding pin hole
（11）；Described turning block（2）Provided with hollow groove（21）；Described connection guide rail（3）Including curved portions（31）And be connected
Planar portions（32）, described curved portions（31）String and planar portions（32）The angle β of place plane is 110 °~140 °, described
Curved portions（31）Provided with strip slotted eye（33）, described planar portions（32）With installing plate（5）It is connected；Described installation
Plate（5）It is provided with least two mounting holes（51）；
Described turning block（2）Hollow groove（21）Through curved portions（31）, and can arcuately portion（31）Rotate, described leads
To set（1）With curved portions（31）Tangent plane is vertically arranged, and passes through locking nut（4）Installed in strip slotted eye（33）It is interior, it is described
Indicator（6）Installed in turning block（2）Top, and indicator（6）With guide sleeve（1）Axis be generally aligned in the same plane.
2. rotary type femoral head and neck according to claim 1 is oriented to and interior fixed configuration configuration device, its feature in vitro
It is：Described installing plate（5）Inner side is arc-shaped curved surface（52）, described arc-shaped curved surface（52）It is provided with some concave and convex stripes
（53）.
3. rotary type femoral head and neck according to claim 2 is oriented to and interior fixed configuration configuration device, its feature in vitro
It is：Described installing plate（5）Above and below be provided with for hand-held or instrument clamping dimpled grain（54）.
4. rotary type femoral head and neck according to claim 2 is oriented to and interior fixed configuration configuration device, its feature in vitro
It is：Described connection guide rail（3）Planar portions（32）With installing plate（5）Set in upper section slants outward, tiltangleθ is 12 °
~15 °.
5. rotary type femoral head and neck according to claim 2 is oriented to and interior fixed configuration configuration device, its feature in vitro
It is：Described connection guide rail（3）Planar portions（32）With installing plate（5）It is arranged in parallel, described arc-shaped curved surface（52）Arc
Shape string and planar portions（32）The angle γ of place plane is 12 °~15 °.
6. rotary type femoral head and neck according to claim 1 is oriented to and interior fixed configuration configuration device, its feature in vitro
It is：Described connection guide rail（3）Planar portions（32）On be provided with observation through hole（34）.
7. rotary type femoral head and neck according to claim 1 is oriented to and interior fixed configuration configuration device, its feature in vitro
It is：Described connection guide rail（3）Curved portions（31）It is provided with scale.
8. rotary type femoral head and neck according to claim 1 is oriented to and interior fixed configuration configuration device, its feature in vitro
It is：Described turning block（2）Top is provided with positioning boss（22）, described indicator（6）Lower section is provided with locating dowel
（61）, described locating dowel（61）Inside it is provided with and positioning boss（22）The groove being engaged（62）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510843373.XA CN105310756B (en) | 2015-11-27 | 2015-11-27 | Rotary type femoral head and neck is oriented to and interior fixed configuration configuration device in vitro |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510843373.XA CN105310756B (en) | 2015-11-27 | 2015-11-27 | Rotary type femoral head and neck is oriented to and interior fixed configuration configuration device in vitro |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105310756A CN105310756A (en) | 2016-02-10 |
| CN105310756B true CN105310756B (en) | 2017-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510843373.XA Expired - Fee Related CN105310756B (en) | 2015-11-27 | 2015-11-27 | Rotary type femoral head and neck is oriented to and interior fixed configuration configuration device in vitro |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106137409B (en) * | 2016-08-09 | 2018-08-10 | 泰州市人民医院 | A kind of positioning auxiliary device and its application method for fracture of neck of femur |
| US11980507B2 (en) | 2018-05-02 | 2024-05-14 | Augmedics Ltd. | Registration of a fiducial marker for an augmented reality system |
| CN109350218B (en) * | 2018-10-31 | 2023-11-10 | 中国人民解放军第四军医大学 | Screw implantation fixing device for femur neck fracture model |
| CN109458904B (en) * | 2018-12-31 | 2024-09-20 | 天津正天医疗器械有限公司 | Biological repair handle neck length measuring device |
| CN109965958A (en) * | 2019-04-14 | 2019-07-05 | 浙江工业大学 | A stepless adjustment needle threading fixture |
| US11980506B2 (en) * | 2019-07-29 | 2024-05-14 | Augmedics Ltd. | Fiducial marker |
| US11382712B2 (en) | 2019-12-22 | 2022-07-12 | Augmedics Ltd. | Mirroring in image guided surgery |
| WO2023021448A1 (en) | 2021-08-18 | 2023-02-23 | Augmedics Ltd. | Augmented-reality surgical system using depth sensing |
| EP4511809A1 (en) | 2022-04-21 | 2025-02-26 | Augmedics Ltd. | Systems and methods for medical image visualization |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4037592A (en) * | 1976-05-04 | 1977-07-26 | Kronner Richard F | Guide pin locating tool and method |
| FR2863859B1 (en) * | 2003-12-23 | 2006-02-03 | Ct Pulse France Sa | ANCILLARY FOR THE ESTABLISHMENT OF A PROSTHESIS OF RESURFACING A FEMORAL HEAD. |
| ATE466534T1 (en) * | 2004-11-18 | 2010-05-15 | Gamal Mohamed Khairy El | NEW FEMORAL TARGET DEVICE FOR INTERNAL FIXATION OF A FEMUR FRACTURE |
| CN2857864Y (en) * | 2005-12-19 | 2007-01-17 | 戴维享 | Dynamic coax/condylus three-dimensional angle guide |
| CA2831840C (en) * | 2011-02-22 | 2017-08-22 | Knee Creations, Llc | Navigation and positioning systems and guide instruments for joint repair |
| CN202191359U (en) * | 2011-06-20 | 2012-04-18 | 王欣 | External positioning device for main nail penetration depth of proximal femoral nail |
| US8617176B2 (en) * | 2011-08-24 | 2013-12-31 | Depuy Mitek, Llc | Cross pinning guide devices and methods |
| US9572687B2 (en) * | 2013-03-27 | 2017-02-21 | Matthew S. Ross | Native version alignment devices and methods |
| CN104622560A (en) * | 2013-11-13 | 2015-05-20 | 明立德 | Femoral neck fracture fixing and positioning device |
| CN204698698U (en) * | 2015-05-22 | 2015-10-14 | 丽水市人民医院 | A kind of orientation tool of fracture of femoral neck hollow nail |
| CN205126447U (en) * | 2015-11-27 | 2016-04-06 | 庞智晖 | External direction of rotary type femoral neck and internal fixation configuration device |
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- 2015-11-27 CN CN201510843373.XA patent/CN105310756B/en not_active Expired - Fee Related
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