CN209253232U - A kind of cement mo(u)ld acetabular component - Google Patents
A kind of cement mo(u)ld acetabular component Download PDFInfo
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- CN209253232U CN209253232U CN201821632277.6U CN201821632277U CN209253232U CN 209253232 U CN209253232 U CN 209253232U CN 201821632277 U CN201821632277 U CN 201821632277U CN 209253232 U CN209253232 U CN 209253232U
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- cement
- cup body
- acetabular component
- acetabular
- cup
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Abstract
The utility model discloses a kind of cement mo(u)ld acetabular components, comprising: cup body, with accommodating cavity, and bottom setting opening is raised, is arranged in the bottom of cup；Multiple translots surround be provided on the cup body outer surface in the horizontal direction；Snap ring is fastened on inside the translot；Multiple vertical slots are circumferentially uniformly arranged along the cup body outer surface；Wherein, the cup body outer surface is embedded into acetabular fossa, and the accommodating cavity is used to match fixation with femoral head prosthesis.When the femoral head prosthesis upward dislocation of the patient of hip joint soft tissue existing defects, it can be blocked by the protrusion of cement mo(u)ld acetabular component bottom margin, prevent femoral head from dislocating.Using this prosthese, phenomena such as dislocating, wearing between prosthese will not occur, cement mo(u)ld acetabular component is fixed, and femoral head prosthesis dislocation phenomenon is not susceptible in hip joint motion process.
Description
Technical field
The utility model relates to a kind of prosthese, especially a kind of cement mo(u)ld acetabular component.
Background technique
Prosthese medically becomes dummy, is a kind of medical instrument for substituting some limbs of human body, organ-tissue.People
Work full hip-joint has achieved huge success since the 1960s is applied to clinic, suffers from for hip joint diseases up to a million
Person make the life better situation, reintegrating into society provides guarantee.
Replacement of Hip Joint can effectively eliminate arthralgia, rebuild function of joint and correct deformity, to mention
High patients ' life quality.Artificial hip joint is one kind of artificial joint, copies the structure of human hip, from thigh upper end
Metallic rod is injected, has a metal ball at the top of bar, instead of fixing an acetabular component, metal ball in acetabular fossa at the top of femur
It can be in acetabular fossa.
The pelvis of human body is connected with thigh through hip joint, and hip joint can live to people once being damaged and cause serious inconvenience.
Hip prosthesis, also referred to as artificial hip joint, artificial hip prosthesis copy the structure of human hip, and the bright portion of prosthese is inserted into stock
In ossis, bending and stretching and moving for femur is realized at rotation using head and cotyla or prosthese are metal cup-shaped, artificial hip is closed
Section is hip joint because of the substitute when causes of disease such as arthritis are impaired, is a kind of manikin, main component has titanium and cobalt chromium to close
The special materials such as the specialty metals such as gold, and ceramics, high molecular material after artificial femoral articulation is transplanted on human body, are never permitted
Perhaps side effect and corrosion are generated, it is desirable that there is high-strength durable, be a kind of high-tech accurate medical product.
Hip prosthesis is divided into two parts, including acetabular component and femoral prosthesis, and wherein the position of acetabular component determines stock
The rotation center of bone.Existing acetabular component is mostly the assembly of acetabular cup and liner, passes through Bone Ingrowth to acetabular cup prosthesis table
Face forms bion and fixes.During femoral head prosthesis is movable in acetabular component, if the soft tissue existing defects of patient,
The phenomenon that being easy to happen femoral head abjection.And it is if it happens loosened between acetabular cup prosthesis and liner, the dislocation of Yi Fasheng liner,
Prosthesis wear phenomenon, if the hip joint soft tissue existing defects of patient, during hip joint movement, it may occur that femoral head
The phenomenon that prothesis dislocation.
Utility model content
The utility model has designed and developed a kind of cement mo(u)ld acetabular component, and prosthese can be overcome to rotate simultaneously edge in acetabular fossa
The defect of axial movement, prevents femoral head from dislocating.
Technical solution provided by the utility model are as follows:
A kind of cement mo(u)ld acetabular component, comprising:
Cup body, with accommodating cavity, and bottom setting is open
Protrusion is arranged in the bottom of cup；
Multiple translots surround be provided on the cup body outer surface in the horizontal direction；
Snap ring is fastened on inside the translot；
Multiple vertical slots are circumferentially uniformly arranged along the cup body outer surface；
Wherein, the cup body outer surface is embedded into acetabular fossa, and the accommodating cavity is used for and femoral head prosthesis phase
Cooperation is fixed.
Preferably, the cup body is hemispherical dome structure.
Preferably, the bottom of cup radially symmetrically offers multiple blind holes.
Preferably, the multiple translot is arranged in parallel.
Preferably, the multiple translot is set in qually spaced on the cup body outer surface.
Preferably, the cup body material is high molecular material.
Preferably, the snap ring is fastened in the translot nearest apart from the bottom of cup.
Preferably, the snap ring material is metal.
It is described in the utility model the utility model has the advantages that
Cement mo(u)ld acetabular component is implanted to after patient's acetabular fossa fills bone cement using this cement mo(u)ld acetabular component
In patient's acetabular fossa, the translot of acetabular component can prevent prosthese from moving axially, and vertical slot can prevent prosthese from rotating in acetabular fossa.
The main material of cement mo(u)ld acetabular component is high molecular material, will not be developed when shooting X-ray film, becket is caught in
Into the annular groove of acetabular cup bottom, position that doctor can be helped to determine that cement mo(u)ld acetabular component is implanted into the patient.
It, can be by cement mo(u)ld acetabular component when the femoral head prosthesis upward dislocation of the patient of hip joint soft tissue existing defects
The protrusion of bottom margin is blocked, and prevents femoral head from dislocating.
Using this cement mo(u)ld acetabular component, phenomena such as dislocating, wearing between prosthese will not occur, cement mo(u)ld acetabular component is solid
It is fixed firm, femoral head prosthesis dislocation phenomenon is not susceptible in hip joint motion process.
Detailed description of the invention
Fig. 1 is the front view of cement mo(u)ld acetabular component described in the utility model.
Fig. 2 is the side view of cement mo(u)ld acetabular component described in the utility model.
Fig. 3 is the top view of cement mo(u)ld acetabular component described in the utility model.
Fig. 4 is the axonometric drawing of cement mo(u)ld acetabular component described in the utility model.
Fig. 5 is the bottom view of cement mo(u)ld acetabular component described in the utility model.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
As shown in Figs. 1-5, the utility model provides a kind of cement mo(u)ld acetabular component, including cup body 100, is hemispherical junction
Structure, inside have accommodating chamber, translot 120 and vertical slot 130 are provided on the outer surface of cup body 100, and on cup body translot 120
Engaging has snap ring 110.
Cup body 100 is hemispherical dome structure, and bottom has opening, and inside has accommodating cavity, and accommodating cavity can be used in leading to
The head for crossing filling bone cement and femoral head prosthesis are cooperated, and femoral head prosthesis is connected in cup body 100 by bone cement
In the accommodating chamber in portion.100 bottom of cup body is downwardly extending protrusion 141, when the stock of the patient of hip joint soft tissue existing defects
When bone prosthese upward dislocation, it can be blocked by the protrusion of cement mo(u)ld acetabular component bottom margin, prevent femoral head from dislocating, protrusion
141 are of crucial importance in cup body 100, extend the service life of femoral head prosthesis.
100 bottom margin of cup body extends to center, forms base circle circle 140, and on base circle circle 140,
Blind hole 142 is symmetrically offered along 100 base diameter direction of cup body.
In the present invention, as a preference, number of openings is two.
In the present invention, as a preference, cup body 100 selects high molecular material.
In the present invention, as a preference, cup body 100 is an integral molding structure.
On the outer surface of cup body, in the horizontal direction, in cup body cross-sectional direction, it surround and offers multiple translots 120,
On the outer surface of cup body 100, along the vertical direction, the longitudinal section direction of cup body offers multiple vertical slots 130.
It is arranged in parallel between multiple translots 120, also, the spacing between adjacent translot is equal, makes multiple translots 120
It is arranged on the outer surface of cup body at equal intervals, forms stable structure in cup body outer surface, snap ring 110 is engaged to the lowermost
In translot 120, and in the translot 12 nearest apart from bottom of cup.After patient's acetabular fossa fills bone cement, by cement mo(u)ld hip
In mortar Using prosthesis to patient's acetabular fossa.After bone cement solidification, the translot of cement mo(u)ld acetabular component can prevent prosthese from axially moving
It is dynamic, and then prevent femoral head from dislocation phenomenon occurs.
In the present invention, as a preference, snap ring 110 selects metal material.Due to cement mo(u)ld acetabular component
Main material is high molecular material, will not be developed when shooting X-ray film, therefore, by clasp design at the becket of metal material,
Becket can develop when shooting X-ray film, the position that doctor can be helped to determine that cement mo(u)ld acetabular component is implanted into the patient,
Diagnosis efficiency is improved, doctor is allowed more to know the position of patient's prosthese.
Vertical slot 130 is arranged on the outer surface of cup body, on the perpendicular of cup body, symmetrically opens up, multiple vertical slots 130
One end finally converges in and is provided on the translot of cup top, the perpendicular where the vertical slot 130 of every two symmetrical settings
Cup body can be divided into two parts of area equation.After patient's acetabular fossa fills bone cement, cement mo(u)ld acetabular component is planted
Enter into patient's acetabular fossa.After bone cement solidification, the vertical slot of cement mo(u)ld acetabular component can prevent prosthese from rotating in acetabular fossa.
After patient's acetabular fossa fills bone cement, cement mo(u)ld acetabular component is implanted in patient's acetabular fossa, acetabular component
Translot can prevent prosthese from moving axially, vertical slot can prevent prosthese from rotating in acetabular fossa.
Using the cement mo(u)ld acetabular component in the utility model, phenomena such as dislocating, wearing between prosthese, cement will not occur
Type acetabular component is fixed, and femoral head prosthesis dislocation phenomenon is not susceptible in hip joint motion process.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (8)
1. a kind of cement mo(u)ld acetabular component characterized by comprising
Cup body, with accommodating cavity, and bottom setting is open
Protrusion is arranged in the bottom of cup；
Multiple translots surround be provided on the cup body outer surface in the horizontal direction；
Snap ring is fastened on inside the translot；
Multiple vertical slots are circumferentially uniformly arranged along the cup body outer surface；
Wherein, the cup body outer surface is embedded into acetabular fossa, and the accommodating cavity with femoral head prosthesis for matching
It is fixed.
2. cement mo(u)ld acetabular component according to claim 1, which is characterized in that the cup body is hemispherical dome structure.
3. cement mo(u)ld acetabular component according to claim 2, which is characterized in that the bottom of cup radially symmetrically opens up
There are multiple blind holes.
4. cement mo(u)ld acetabular component according to claim 3, which is characterized in that the multiple translot is arranged in parallel.
5. cement mo(u)ld acetabular component according to claim 4, which is characterized in that the multiple translot is set in qually spaced in institute
It states on cup body outer surface.
6. cement mo(u)ld acetabular component according to claim 5, which is characterized in that the cup body material is high molecular material.
7. cement mo(u)ld acetabular component according to claim 6, which is characterized in that the snap ring is fastened on apart from the cup body
In the nearest translot in bottom.
8. cement mo(u)ld acetabular component according to claim 7, which is characterized in that the snap ring material is metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821632277.6U CN209253232U (en) | 2018-10-09 | 2018-10-09 | A kind of cement mo(u)ld acetabular component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821632277.6U CN209253232U (en) | 2018-10-09 | 2018-10-09 | A kind of cement mo(u)ld acetabular component |
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| Publication Number | Publication Date |
|---|---|
| CN209253232U true CN209253232U (en) | 2019-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821632277.6U Active CN209253232U (en) | 2018-10-09 | 2018-10-09 | A kind of cement mo(u)ld acetabular component |
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| CN (1) | CN209253232U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870405A (en) * | 2020-09-07 | 2020-11-03 | 北京爱康宜诚医疗器材有限公司 | Outer cup and hip joint prosthesis with same |
-
2018
- 2018-10-09 CN CN201821632277.6U patent/CN209253232U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870405A (en) * | 2020-09-07 | 2020-11-03 | 北京爱康宜诚医疗器材有限公司 | Outer cup and hip joint prosthesis with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200423 Address after: 721006 unit 501 / 502, building 5, No. 95, south section of Shuxiang Road, Baoji high tech Development Zone, Shaanxi Province Patentee after: SHAANXI DIPPERSON MEDICAL EQUIPMENT Co.,Ltd. Address before: 100176 Unit 702, Building 3, Yongchang North Road, Daxing District, Beijing Patentee before: BEIJING SIZHENG MEDICAL EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |