Summary of the invention
The main purpose of the present invention is to provide a kind of lateral femoral condyle prosthesis components, convenient for lateral femoral condyle prosthesis is fixed,
Prevent lateral femoral condyle prosthesis from loosening.
To achieve the goals above, the present invention provides a kind of lateral femoral condyle prosthesis components, comprising: lateral femoral condyle prosthesis, femur
Inner mold face is provided on condyle prosthese;Fixed column, fixed column are removably disposed on inner mold face;Fixation kit, fixation kit are set
It sets on inner mold face for stretching in pulp cavity.
Further, it is provided with threaded securing bores on lateral femoral condyle prosthesis, is provided in fixed column and is connect with threaded securing bores
Thread segment.
Further, fixed column has a Multiple Type, the length of the fixed column of each model with or outer diameter it is different.
Further, evacuation gap is provided on lateral femoral condyle prosthesis.
Further, fixation kit includes extension rod, and extension rod is removably mounted on lateral femoral condyle prosthesis.
Further, fixation kit includes: extended column, and extended column, which is integrally formed, to be arranged on lateral femoral condyle prosthesis;Extension rod,
Extension rod is detachably connected on extended column.
Further, fixation kit includes: interconnecting piece, and interconnecting piece avoids evacuation gap setting, and interconnecting piece is integrally formed
On lateral femoral condyle prosthesis;Extended column, extended column are integrally formed or are removably mounted on interconnecting piece;Extension rod, extension rod can
Releasably it is arranged on lateral femoral condyle prosthesis.
Further, extension rod has a Multiple Type, the length of the extension rod of each model with or outer diameter it is different.
Further, it is connected between extended column and extension rod using screw thread or Morse's cone.
Further, the surface of extension rod and fixed column is provided with hydroxyapatite sprayed layer or multiple micropores.
It applies the technical scheme of the present invention, in clinical operation, patient femur's condyle is cut into lateral femoral condyle prosthesis first
The shape in type face, and fixed column is mounted on the inner mold face on lateral femoral condyle prosthesis, the then femur after coating bone cement again
Lateral femoral condyle prosthesis component in the present invention is installed on condyle.When installation, fixation kit is extend into pulp cavity, and cooperates with fixed column will be whole
A lateral femoral condyle prosthesis is mounted on patient, can effectively improve the stability of the lateral femoral condyle prosthesis component in the present invention.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units not
Those of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, side
The intrinsic other step or units of method, product or equipment.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Referring to figs. 1 to 5, according to an embodiment of the invention, providing a kind of lateral femoral condyle prosthesis component, the condyle of femur
Prosthesis assembly includes lateral femoral condyle prosthesis 1, fixed column 2 and fixation kit.
Wherein, inner mold face 12 is provided on lateral femoral condyle prosthesis 1;Fixed column 2 is removably disposed on inner mold face 12;It is fixed
Component is arranged on inner mold face 12 for stretching in pulp cavity.
In clinical operation, patient femur's condyle is cut into the shape in the inner mold face 12 of lateral femoral condyle prosthesis 1 first, and will fixed
Column 2 is mounted on the inner mold face 12 on lateral femoral condyle prosthesis 1, then installs the present embodiment on coating the condyle of femur after bone cement again
In lateral femoral condyle prosthesis component.When installation, fixation kit is extend into pulp cavity, and cooperates with fixed column 2 by entire lateral femoral condyle prosthesis 1
It is mounted on patient, the stability of the lateral femoral condyle prosthesis component in the present embodiment can be effectively improved.
Fixed column 2 in the present embodiment has a Multiple Type, the length of the fixed column 2 of each model with or outer diameter it is different,
During actual use, can the use demand of specific patient replace.
For the ease of replacement, threaded securing bores 13 are provided on the lateral femoral condyle prosthesis 1 in the present embodiment, are set in fixed column 2
It is equipped with the thread segment 21 connecting with threaded securing bores 13.It is threadably secured the cooperation of the thread segment 21 on hole 13 and fixed column 2
The connection of fixed column 2 and lateral femoral condyle prosthesis 1 is realized in effect, and structure is simple, easy to disassemble.
Certainly, in other embodiments of the invention, it can also realize that condyle of femur is false using structures such as buckle or screws
The connection of body 1 and fixed column 2, as long as other modes of texturing under design of the invention, in protection scope of the present invention
Within.
Evacuation gap 14 is provided on lateral femoral condyle prosthesis 1 in the present embodiment can by the effect in the evacuation gap 14
Evacuation opens the posterior cruciate ligament of knee of patient, can effectively improve the stability of the lateral femoral condyle prosthesis component in the present embodiment.
In an embodiment of the present invention, fixation kit includes extension rod 3, which is removably mounted on stock
On bone condyle prosthese 1.Preferably, the extension rod 3 in the present embodiment have Multiple Type, the length of the extension rod 3 of each model and
Or outer diameter is different, convenient for being replaced according to the use demand of different patients.
In actual use, so that extension rod 3 is inserted into pulp cavity the lateral femoral condyle prosthesis component improved in the present embodiment
Mounting stability, structure is simple, is easy to implement.
In another embodiment of the invention, fixation kit includes extended column 15 and extension rod 3,15 one of extended column
Molding is arranged on lateral femoral condyle prosthesis 1;Extension rod 3 is detachably connected on extended column 15.Relative to only setting extension rod 3
For fixation kit, the extended column 15 of the fixation kit in the present embodiment and lateral femoral condyle prosthesis 1 are integrally formed and are arranged, when installation,
Extended column 15 is partially protruded into pulp cavity, so that the removal position of fixation kit and lateral femoral condyle prosthesis 1 is far from lateral femoral condyle prosthesis 1,
When by the lateral femoral condyle prosthesis component installation in the present embodiment on a patient body, since the removed position of fixation kit has been stretched
Enter to pulp cavity, can prevent lateral femoral condyle prosthesis component from loosening in the process of patient motion, effectively improve in the present embodiment
Lateral femoral condyle prosthesis component mounting stability and the stability in use of lateral femoral condyle prosthesis component in human body.
In the third embodiment of the invention, fixation kit includes interconnecting piece 17, extended column 15 and extension rod 3,
In, interconnecting piece 17, which is integrally formed, to be arranged on lateral femoral condyle prosthesis 1;Extended column 15 is integrally formed or is removably mounted on connection
In portion 17;Extension rod 3 is removably disposed on lateral femoral condyle prosthesis 1.For the above embodiments, in the present embodiment
Fixation kit further includes interconnecting piece 17, and the interconnecting piece 17 and lateral femoral condyle prosthesis 1 are integrally formed and are arranged, being capable of setting for extended column 15
It sets and installs and supporting point is provided.Preferably, the interconnecting piece 17 in the present embodiment is the structures such as boss or convex block, as long as at this
Other modes of texturing under the design of invention, it is within the scope of the present invention.
For the ease of connecting and dismantling, using screw thread or not between the extended column 15 in above-described embodiment and extension rod 3
Family name's circular cone 31 connects.When actual assembled, connecting hole 16 is provided on extended column 15, if the side connected using Morse's cone 31
When formula, connecting hole 16 is unthreaded hole, if when using being threadedly coupled, connecting hole 16 is that threaded hole is accordingly arranged on extension rod 3
There is the external screw thread connecting with the threaded hole, structure is simple, easy to process.
Preferably, the surface of the extension rod 3 in the present embodiment and fixed column 2 is provided with hydroxyapatite sprayed layer or more
A micropore, convenient for combining together with long close of the other structures of human body.
According to above-mentioned structure it is recognised that lateral femoral condyle prosthesis component of the invention includes lateral femoral condyle prosthesis 1, inner mold face
12, threaded securing bores 13, evacuation gap 14, extended column 15, connecting hole 16, interconnecting piece 17, extension rod 3, fixed column 2, wherein keep away
Allow gap 14 that can be posterior cruciate ligament of knee reserved location, the position of interconnecting piece 17 does not interfere with the fulcrum of ligamentaum cruciatum, extends
Bar 3 and fixed column 2 have different length and/or diameter, extension rod 3 and 2 surface of fixed column using hydroxyapatite sprayed or
The process such as porous.
In clinical operation, patient femur's condyle is cut into the shape in the inner mold face 12 of lateral femoral condyle prosthesis 1, and according to being screwed
The position in hole 13 drills in patient femur's condyle prosthetic surface, the diameter in hole with reference to selected fixed column 2 diameter, in next step according to
The diameter and length of selected extension rod 3 handle patient femur's pulp cavity, after the completion of the processing of patient femur's condyle, assemble femur
Condyle prosthesis assembly, by fixed column 2 by the way that in the threaded securing bores 13 on 21 resected femur condyle prosthese 1 of thread segment, extension rod 3 passes through
Morse's cone 31 is connected in connecting hole 16, lateral femoral condyle prosthesis 1, fixed column 2, extension rod 3 is formed a whole, in inner mold face
12 coat bone cement after assembled lateral femoral condyle prosthesis component is installed on patient itself femur handled well, so far condyle of femur
Prosthesis assembly implantation finishes, reliable and stable.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.