CN109077833A - Lateral femoral condyle prosthesis component - Google Patents
Lateral femoral condyle prosthesis component Download PDFInfo
- Publication number
- CN109077833A CN109077833A CN201811150885.8A CN201811150885A CN109077833A CN 109077833 A CN109077833 A CN 109077833A CN 201811150885 A CN201811150885 A CN 201811150885A CN 109077833 A CN109077833 A CN 109077833A
- Authority
- CN
- China
- Prior art keywords
- lateral femoral
- femoral condyle
- condyle prosthesis
- extension rod
- fixed column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/38—Joints for elbows or knees
- A61F2/3859—Femoral components
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30721—Accessories
- A61F2/30749—Fixation appliances for connecting prostheses to the body
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Physical Education & Sports Medicine (AREA)
- Prostheses (AREA)
Abstract
The present invention provides a kind of lateral femoral condyle prosthesis components, comprising: lateral femoral condyle prosthesis is provided with inner mold face on lateral femoral condyle prosthesis；Fixed column, fixed column are removably disposed on inner mold face；Fixation kit, fixation kit are arranged on inner mold face for stretching in pulp cavity.In clinical operation, patient femur's condyle is cut into the shape in the inner mold face of condyle of femur ontology, and fixed column is mounted on the inner mold face on lateral femoral condyle prosthesis first, then the lateral femoral condyle prosthesis component in the present invention is installed on coating the condyle of femur after bone cement again.When installation, fixation kit is extend into pulp cavity, and cooperates with fixed column that entire lateral femoral condyle prosthesis is mounted on patient, can effectively improve the stability of the lateral femoral condyle prosthesis component in the present invention.
Description
Technical field
The present invention relates to medical prosthesis technical fields, in particular to a kind of lateral femoral condyle prosthesis component.
Background technique
Total knee arthroplasty has become the treatment arthritic effective ways of gonitis at present, and artificial knee closes at present
Section prosthese mainly has posterior stabilized and two kinds of principal modes of ligamentaum cruciatum conservative, and posterior stabilized knee prosthesis feature is shin bone
Gasket has column design, can keep the stabilization of condyle of femur, but needs to cut out the intercondylar big section of sclerotin of condyle of femur, and ligamentaum cruciatum is protected
Staying type is exactly to retain human body itself posterior cruciate ligament of knee, is mainly a little exactly to remain condyle of femur to maintain the stability of prosthese
Intercondylar sclerotin, but such prosthese requires height to the surgical technic of patient, additionally, due to the fixation on only osteotomy surface, for a long time
Stability be not so good as posterior stabilized knee prosthesis.
Total knee replacement belongs to kneed surface replacement, and with the extension of Using prosthesis human body time, prosthese will
Generate loosening, it is necessary to which knee joint is overhauled, in order to enhance the stability for overhauling knee-joint prosthesis.
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.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the perspective view that lateral femoral condyle prosthesis component of the invention is dismantled after extension rod；
Fig. 2 diagrammatically illustrates the side view that lateral femoral condyle prosthesis component of the invention is dismantled after extension rod；
Fig. 3 diagrammatically illustrates the perspective view of lateral femoral condyle prosthesis component of the invention；
Fig. 4 diagrammatically illustrates the main view of the fixed column in the present invention；
Fig. 5 diagrammatically illustrates the main view of the extension rod in the present invention.
Wherein, the above drawings include the following reference numerals:
1, lateral femoral condyle prosthesis；12, inner mold face；13, threaded securing bores；14, gap；15, extended column；16, connecting hole；17,
Interconnecting piece；2, fixed column；21, thread segment；3, extension rod；31, Morse's cone.
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.
Claims (10)
1. a kind of lateral femoral condyle prosthesis component characterized by comprising
Lateral femoral condyle prosthesis (1) is provided with inner mold face (12) on the lateral femoral condyle prosthesis (1)；
Fixed column (2), the fixed column (2) are removably disposed on the inner mold face (12)；
Fixation kit, the fixation kit are arranged on the inner mold face (12) for stretching in pulp cavity.
2. lateral femoral condyle prosthesis component according to claim 1, which is characterized in that be provided on the lateral femoral condyle prosthesis (1)
Threaded securing bores (13) are provided with the thread segment (21) connecting with the threaded securing bores (13) on the fixed column (2).
3. lateral femoral condyle prosthesis component according to claim 2, which is characterized in that the fixed column (2) has Multiple Type,
The length of the fixed column (2) of each model with or outer diameter it is different.
4. lateral femoral condyle prosthesis component according to claim 1, which is characterized in that be provided on the lateral femoral condyle prosthesis (1)
It avoids gap (14).
5. lateral femoral condyle prosthesis component according to claim 1, which is characterized in that the fixation kit includes extension rod (3),
The extension rod (3) is removably mounted on the lateral femoral condyle prosthesis (1).
6. lateral femoral condyle prosthesis component according to claim 1, which is characterized in that the fixation kit includes:
Extended column (15), the extended column (15), which is integrally formed, to be arranged on the lateral femoral condyle prosthesis (1)；
Extension rod (3), the extension rod (3) are detachably connected on the extended column (15).
7. lateral femoral condyle prosthesis component according to claim 4, which is characterized in that the fixation kit includes:
Interconnecting piece (17), the interconnecting piece (17) avoid evacuation gap (14) setting, and the interconnecting piece (17) is integrally formed
On the lateral femoral condyle prosthesis (1)；
Extended column (15), the extended column (15) are integrally formed or are removably mounted on the interconnecting piece (17)；
Extension rod (3), the extension rod (3) are removably disposed on the lateral femoral condyle prosthesis (1).
8. lateral femoral condyle prosthesis component according to any one of claims 5 to 7, which is characterized in that extension rod (3) tool
There are many model, the length of the extension rod (3) of each model with or outer diameter it is different.
9. lateral femoral condyle prosthesis component according to claim 6 or 7, which is characterized in that the extended column (15) and described prolong
It is connected between stock (3) using screw thread or Morse's cone (31).
10. lateral femoral condyle prosthesis component according to claim 8, which is characterized in that the extension rod (3) and the fixed column
(2) surface is provided with hydroxyapatite sprayed layer or multiple micropores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811150885.8A CN109077833A (en) | 2018-09-29 | 2018-09-29 | Lateral femoral condyle prosthesis component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811150885.8A CN109077833A (en) | 2018-09-29 | 2018-09-29 | Lateral femoral condyle prosthesis component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109077833A true CN109077833A (en) | 2018-12-25 |
Family
ID=64842988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811150885.8A Pending CN109077833A (en) | 2018-09-29 | 2018-09-29 | Lateral femoral condyle prosthesis component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109077833A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111529141A (en) * | 2020-05-29 | 2020-08-14 | 上海市杨浦区中心医院(同济大学附属杨浦医院) | Single-condyle femoral template with detachable drilling guide structure |
| CN112618114A (en) * | 2020-11-27 | 2021-04-09 | 北京市春立正达医疗器械股份有限公司 | Tantalum metal trabecular femoral condyle prosthesis and knee joint replacement body |
| CN115778639A (en) * | 2023-02-02 | 2023-03-14 | 骄英医疗器械(上海)有限公司 | Bone prosthesis and operation method thereof |
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| WO2018136593A1 (en) * | 2017-01-20 | 2018-07-26 | Habegger Abraham P | Tibial tray with removable spikes |
| CN209136992U (en) * | 2018-09-29 | 2019-07-23 | 北京爱康宜诚医疗器材有限公司 | Lateral femoral condyle prosthesis component |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111529141A (en) * | 2020-05-29 | 2020-08-14 | 上海市杨浦区中心医院(同济大学附属杨浦医院) | Single-condyle femoral template with detachable drilling guide structure |
| CN112618114A (en) * | 2020-11-27 | 2021-04-09 | 北京市春立正达医疗器械股份有限公司 | Tantalum metal trabecular femoral condyle prosthesis and knee joint replacement body |
| CN115778639A (en) * | 2023-02-02 | 2023-03-14 | 骄英医疗器械(上海)有限公司 | Bone prosthesis and operation method thereof |
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Application publication date: 20181225 |
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