CN205626193U - Biotype hip joint - Google Patents
Biotype hip joint Download PDFInfo
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- CN205626193U CN205626193U CN201620171189.5U CN201620171189U CN205626193U CN 205626193 U CN205626193 U CN 205626193U CN 201620171189 U CN201620171189 U CN 201620171189U CN 205626193 U CN205626193 U CN 205626193U
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- hip joint
- femoral stem
- outer lining
- biotype
- biotype hip
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Abstract
The utility model provides a biotype hip joint, including acetabular cup and femoral stem, femoral stem includes threaded connection's near -end and distal end, and one side that the distal end was kept away from to the near -end is equipped with the thighbone bulb, and the distal end cross section is oval, inside cavity, and it has a plurality of micropores to open on the wall body, acetabular cup includes the inside lining and the outer lining of mutual joint, and the outer lining is fixed in the acetabular bone, the interior surfaces to mate of thighbone bulb and inside lining, be equipped with the elastic component between thighbone bulb and the femoral stem, the inside hog frame that is equipped with of distal end, femoral stem's surface is gone up to open along length direction has at least one recess. The hog frame has improved femoral stem's compressive property, the recess impurity such as gas in the thighbone pulp cavity, blood that help discharging, inside lining and outer lining joint for simple structure is compact, excellent in use effect, can the arrange distal end of different length, different external dimensionss of a near -end, near -end can reuse, the cost is reduced, and the commonality is strong.
Description
Technical field
This utility model belongs to medical instruments field, especially biotype hip joint.
Background technology
Artificial hip joint mainly has biotype hip joint and bone-cement type hip joint two kinds, although bone-cement type hip joint uses the time longer than the use time of biotype hip joint, however it is necessary that and prosthese is periodically overhauled, and easily osseous tissue can be produced the damage of heat and be easily formed wear particle, the complication such as fatigue aging occur because of bone cement；And the biotype operation on hip joint time is short, operation safety is high, operation wound is little, surgery cost is low, and bad reaction will not be produced because injecting bone cement, avoid postoperative reparation and change the trouble brought, reduce and again take out hip joint and damage to sclerotin.But stablizing of biotype hip joint is poor, and anti-rotation performance is the highest, easily loosens between joint and sclerotin.Due to the difference of skeleton and the difference of rehabilitation degree between human body, insert the specification of femoral stem far-end in femoral bone cavitas medullaris and there are differences, existing biotype hip joint poor universality.
Summary of the invention
In view of this, this utility model is directed to biotype hip joint, and to solve in prior art, biotype hip stability is poor, anti-rotation performance is the highest, the problem of poor universality.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
Biotype hip joint, including acetabular cup, also includes femoral stem, described femoral stem includes that threaded proximally and distally described near-end is provided with femur bulb away from the side of described far-end, and described distal cross section is oval, inner hollow, wall body has multiple micropore, contributes to bone cell growth；Described acetabular cup includes liner and the outer lining of mutual clamping, and described outer lining is fixed in acetabular bone, and described femur bulb coordinates with the inner surface of described liner；It is provided with elastic component between described femur bulb and described femoral stem, strengthens elastic and wearability；Described distal internal is provided with hog frame, and hog frame improves the compressive property of femoral stem；The outer surface of described femoral stem has at least one groove on along its length, when mounted for discharging the impurity such as gas in femoral bone cavitas medullaris, blood, effectively prevent disposed inside medullar cavity pressure from becoming big, reduce the incidence rate of fat embolism syndrome.
Further, described liner outer surface is provided with the elastic card of several arranged concentric, has annular slot inside described outer lining, and described elastic card is positioned at described annular slot so that liner and outer lining clamping, simple and compact for structure.
Further, the top of described near-end is provided with dismounting screwed hole, installs or take out femoral stem during convenient operation.
Further, if described outer lining is provided with arterial highway resistance near a side external surface of opening moves back rib, described resistance is moved back rib top and is tilted to opening, effectively prevents acetabular cup from deviating from from acetabular bone.
Further, described near-end is additionally provided with and described femur bulb stable table positioned opposite, described stable table has fixing hole.
Further, described outer lining has several screwed holes.
Further, the outer surface of described femoral stem and outer lining is sprayed with rough layer.
Further, the material of described femur bulb is CoCrMo alloy or pottery.
Further, the material of described femoral stem is Ti-6Al-4V or Ti-6Al-7Nb.
Further, the material of described liner is high hinge ultra-high molecular weight polyethylene or ultra-high molecular weight polyethylene.
Relative to prior art, biotype hip joint described in the utility model has the advantage that hog frame improves the compressive property of femoral stem；Groove contributes to the impurity such as the gas in discharge femoral bone cavitas medullaris, blood, effectively prevents disposed inside medullar cavity pressure from becoming big, reduces the incidence rate of fat embolism syndrome；Liner and outer lining clamping so that simple and compact for structure, using effect is good；One near-end can be arranged in pairs or groups different length, the far-end of different external dimensions, and near-end can reuse, and reduces cost, highly versatile.
Accompanying drawing explanation
The accompanying drawing constituting a part of the present utility model is further appreciated by of the present utility model for providing, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is general illustration of the present utility model；
Fig. 2 is explosive view of the present utility model；
Fig. 3 is distal sections schematic diagram of the present utility model；
Fig. 4 is acetabular cup schematic diagram of the present utility model；
In figure: 1-acetabular cup, 11-liner, 111-elastic card, 12-outer lining, rib, 122-screwed hole are moved back in 121-resistance, 123-annular slot, 2-femur bulb, 3-femoral stem, 31-near-end, 311-stable table, 312-fixing hole, 32-far-end, 33-groove, 4-elastic component, 5-hog frame.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in this utility model and the feature in embodiment can be mutually combined.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", on " ", D score, " front ", " afterwards ", " left ", " right ", " vertically ", " level ", " push up ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, the feature defining " first ", " second " etc. can express or implicitly include one or more this feature.In description of the present utility model, except as otherwise noted, " multiple " are meant that two or more.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood by concrete condition.
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in Figure 1, biotype hip joint, including acetabular cup 1, also including that femoral stem 3, femoral stem 3 include threaded near-end 31 and far-end 32, near-end 31 is provided with femur bulb 2 away from the side of far-end 32, far-end 32 cross section is oval, inner hollow, wall body has multiple micropore, contributes to bone cell growth；Acetabular cup 1 includes liner 11 and the outer lining 12 of mutual clamping, and outer lining 12 is fixed in acetabular bone, and femur bulb 2 coordinates with the inner surface of liner 11；It is provided with elastic component 4 between femur bulb 2 and femoral stem 3, strengthens elastic and wearability；Far-end 32 is internal is provided with hog frame 5；The outer surface of femoral stem 3 has at least one groove 33 on along its length, when mounted for discharging the impurity such as gas in femoral bone cavitas medullaris, blood, effectively prevent disposed inside medullar cavity pressure from becoming big, reduce the incidence rate of fat embolism syndrome.
Liner 11 outer surface is provided with the elastic card 111 of several arranged concentric, and outer lining 12 is internal has annular slot 123, and elastic card 111 is positioned at annular slot 123 so that liner 11 and outer lining 12 clamping, simple and compact for structure.
The top of near-end 31 is provided with dismounting screwed hole, installs or take out femoral stem 3 during convenient operation.
If outer lining 12 is provided with arterial highway resistance near a side external surface of opening and moves back rib 121, resistance is moved back rib 121 top and is tilted to opening, effectively prevents acetabular cup 1 from deviating from from acetabular bone.
It is additionally provided with stable table 311 positioned opposite with femur bulb 2 on near-end 31, stable table 311 has fixing hole 312.
Several screwed holes 122 are had on outer lining 12；The outer surface of femoral stem 3 and outer lining 12 is sprayed with rough layer；The material of femur bulb 2 is CoCrMo alloy or pottery；Femoral stem 3 can also be extended type or combined, and to adapt to different crowd, the material of femoral stem 3 is Ti-6Al-4V or Ti-6Al-7Nb；The material of liner 11 is high hinge ultra-high molecular weight polyethylene or ultra-high molecular weight polyethylene.
One near-end 31 of combined femoral stem 3 can be arranged in pairs or groups different length, the far-end 32 of different external dimensions, and near-end 31 can reuse, reduce cost.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. biotype hip joint, including acetabular cup (1), it is characterized in that: also include femoral stem (3), described femoral stem (3) includes threaded near-end (31) and far-end (32), described near-end (31) is provided with femur bulb (2) away from the side of described far-end (32), described far-end (32) cross section is oval, and inner hollow has multiple micropore on wall body；Described acetabular cup (1) includes liner (11) and the outer lining (12) of mutual clamping, described outer lining (12) is fixed in acetabular bone, and described femur bulb (2) coordinates with the inner surface of described liner (11)；Elastic component (4) it is provided with between described femur bulb (2) and described femoral stem (3)；Described far-end (32) is internal is provided with hog frame (5)；The outer surface of described femoral stem (3) has at least one groove (33) on along its length.
Biotype hip joint the most according to claim 1, it is characterized in that: described liner (11) outer surface is provided with the elastic card (111) of several arranged concentric, described outer lining (12) is internal has annular slot (123), and described elastic card (111) is positioned at described annular slot (123).
Biotype hip joint the most according to claim 1, it is characterised in that: the top of described near-end (31) is provided with dismounting screwed hole.
4. according to the biotype hip joint according to any one of claim 1-3, it is characterized in that: described outer lining (12) is if a side external surface of close opening is provided with arterial highway resistance and moves back rib (121), and described resistance is moved back rib (121) top and tilted to opening.
Biotype hip joint the most according to claim 4, it is characterized in that: be additionally provided with on described near-end (31) and described femur bulb (2) stable table positioned opposite (311), described stable table (311) has fixing hole (312).
Biotype hip joint the most according to claim 4, it is characterised in that: have several screwed holes (122) on described outer lining (12).
Biotype hip joint the most according to claim 4, it is characterised in that: the outer surface of described femoral stem (3) and outer lining (12) is sprayed with rough layer.
Biotype hip joint the most according to claim 4, it is characterised in that: the material of described femur bulb (2) is CoCrMo alloy or pottery.
Biotype hip joint the most according to claim 4, it is characterised in that: the material of described femoral stem (3) is Ti-6Al-4V or Ti-6Al-7Nb.
Biotype hip joint the most according to claim 4, it is characterised in that: the material of described liner (11) is high hinge ultra-high molecular weight polyethylene or ultra-high molecular weight polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620171189.5U CN205626193U (en) | 2016-03-07 | 2016-03-07 | Biotype hip joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620171189.5U CN205626193U (en) | 2016-03-07 | 2016-03-07 | Biotype hip joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205626193U true CN205626193U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620171189.5U Active CN205626193U (en) | 2016-03-07 | 2016-03-07 | Biotype hip joint |
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| CN (1) | CN205626193U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107811730A (en) * | 2017-11-02 | 2018-03-20 | 哈尔滨医科大学 | Femoral hip prosthesis prosthese |
| CN113456306A (en) * | 2021-06-21 | 2021-10-01 | 北京力达康科技有限公司 | Hip joint prosthesis |
-
2016
- 2016-03-07 CN CN201620171189.5U patent/CN205626193U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107811730A (en) * | 2017-11-02 | 2018-03-20 | 哈尔滨医科大学 | Femoral hip prosthesis prosthese |
| CN113456306A (en) * | 2021-06-21 | 2021-10-01 | 北京力达康科技有限公司 | Hip joint prosthesis |
| CN113456306B (en) * | 2021-06-21 | 2023-10-13 | 北京力达康科技有限公司 | Hip joint prosthesis |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |