CN107569303A - Full acetabular component - Google Patents
Full acetabular component Download PDFInfo
- Publication number
- CN107569303A CN107569303A CN201710890075.5A CN201710890075A CN107569303A CN 107569303 A CN107569303 A CN 107569303A CN 201710890075 A CN201710890075 A CN 201710890075A CN 107569303 A CN107569303 A CN 107569303A
- Authority
- CN
- China
- Prior art keywords
- liner
- outer cup
- acetabular component
- metal outer
- groove
- 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
- 239000002184 metal Substances 0.000 claims abstract description 70
- 229910052751 metal Inorganic materials 0.000 claims abstract description 70
- 230000002093 peripheral effect Effects 0.000 claims abstract description 27
- GVJHHUAWPYXKBD-UHFFFAOYSA-N (±)-α-Tocopherol Chemical compound OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 claims description 10
- 229930003427 Vitamin E Natural products 0.000 claims description 5
- WIGCFUFOHFEKBI-UHFFFAOYSA-N gamma-tocopherol Natural products CC(C)CCCC(C)CCCC(C)CCCC1CCC2C(C)C(O)C(C)C(C)C2O1 WIGCFUFOHFEKBI-UHFFFAOYSA-N 0.000 claims description 5
- 229940046009 vitamin E Drugs 0.000 claims description 5
- 235000019165 vitamin E Nutrition 0.000 claims description 5
- 239000011709 vitamin E Substances 0.000 claims description 5
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims description 4
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 4
- 238000002513 implantation Methods 0.000 abstract description 2
- 210000000988 bone and bone Anatomy 0.000 description 18
- 230000000694 effects Effects 0.000 description 9
- 238000005299 abrasion Methods 0.000 description 4
- 238000011900 installation process Methods 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 239000007943 implant Substances 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000001624 hip Anatomy 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 210000000689 upper leg Anatomy 0.000 description 2
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 1
- 101000911772 Homo sapiens Hsc70-interacting protein Proteins 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 210000004394 hip joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Landscapes
- Prostheses (AREA)
Abstract
The present invention relates to medical instruments field, discloses a kind of full acetabular component.The full acetabular component includes half oblate metal outer cup and the liner being set in metal outer cup, formed on the inner peripheral surface of metal outer cup fluted, in embedded groove liner can be avoided to be moved relative to metal outer cup in the presence of external force formed with the elastic bumps with fit depressions, the elastic bumps of interior lining on the outer peripheral face of liner.The full acetabular component operation installation of the present invention is more convenient and is implanted into more stable, can effectively avoid the secondary revision procedure to the implantation of full acetabular component.
Description
Technical field
The present invention relates to medical instruments field, and in particular to a kind of full acetabular component.
Background technology
Full acetabular component is the surgical implant for replacing human hip acetabular bone part.It is with femoral stem, bulb group
Close and performed the operation using for hip joint whole coxa substitution.The structure of existing full acetabular component is to pass through taper by metal outer cup and liner
Connection combines, and has the advantages that easy to process, the construction cycle is short.
However, existing full acetabular component is in actual use, shortcomings also be present in its structure.It is for example, existing
Full acetabular component installs more difficulty in surgical procedure, and specifically, the metal outer cup of existing full acetabular component leads to liner
It is attached usually through tapered configuration, needs to apply larger dynamics in installation process of performing the operation and liner could be squeezed into place, this
The metal outer cup for being just easy to make to be installed in place originally because stress is excessive and caused by loosen, so as to cause finally to have to pair
Full acetabular component carries out revision procedure；Further for example, existing full acetabular component in use easily dislocate by acetabular bone, wear extent compared with
Greatly, specifically, due between metal outer cup and liner and being not provided with certain anti-back structure in existing full acetabular component, therefore
In human body in long-term motion process, liner is easy to deviate from from metal outer cup, causes acetabular bone to dislocate, simultaneously as interior
Lining is generally made up of polythene material, and its hardness is smaller, and abrasion resistance properties are poor, easily produces that substantial amounts of polyethylene is broken to cause bone molten
The problems such as solution, prosthetic loosening；Further for example, existing full acetabular component fixed effect is not good enough, and specifically, existing full acetabular component
Outer surface is spherical designs, due to long-term stress in human body, easily causes acetabular bone and moves up, due to by hip during acetabular bone moves up
Stop at the top of mortar, secondary movement can not be formed and fixed, and the outer surface of full acetabular component is blasting craft, surface is not thick enough
It is rough, it is unfavorable for Bone Ingrowth, the long-term loosening rate of prosthese can improve.
As can be seen here, existing full acetabular component structure with using upper, however it remains it is certain the defects of with it is inconvenient.For
In place of the deficiencies in the prior art, it is more convenient and be implanted into more stable complete that those skilled in the art wishes to seek a kind of installation of performing the operation
Acetabular component, to avoid the secondary revision procedure to the implantation of full acetabular component.
The content of the invention
In order to avoid the secondary revision procedure being implanted into full acetabular component, the present invention proposes one kind and pacified in surgical procedure
Dress is more convenient and is implanted into more stable full acetabular component.
According to the full acetabular component of the present invention, including half oblate metal outer cup and in being set in metal outer cup
Lining, formed on the inner peripheral surface of metal outer cup it is fluted, it is interior formed with the elastic bumps with fit depressions on the outer peripheral face of liner
The elastic bumps of lining can avoid liner from being moved relative to metal outer cup in the presence of external force in embedded groove.
Further, the number of groove is multiple, and each groove is disposed on same section of the inner peripheral surface of metal outer cup
On the circle of face.
Further, each groove is disposed on the same section circle of the inner peripheral surface of the bigger diameter end close to metal outer cup.
Further, the annular groove of the miner diameter end close to metal outer cup, annular are also formed with the inner peripheral surface of metal outer cup
Groove is provided with the elastic boss being engaged with annular groove parallel to groove and positioned at the top of groove, interior lining.
Further, the same section circle that elastic boss is included on multiple outer peripheral faces along liner is spaced elastic
Boss.
Further, elastic bumps include the roof of the miner diameter end close to liner, relative with roof and close liner it is big
The bottom wall at footpath end, and the side wall of connection roof and bottom wall, wherein, the angle of side wall and bottom wall is acute angle.
Further, the junction of roof and side wall is formed as smooth curved surface, and the junction of bottom wall and side wall is linear
Shape.
Further, liner includes hemispherical inner chamber, formed with arc-shaped curved surface on the end face of the bigger diameter end of inner chamber.
Further, the fixing hole positioned at upside of the ring groove is also formed with the inner peripheral surface of metal outer cup, metal outer cup
Top is also formed with the handle hole for being used cooperatively with operation instrument.
Further, liner is made up of vitamin E stable type crosslinked ultra-high-molecular-weight polyethylene.
Compared with full acetabular component of the prior art, full acetabular component of the invention operation installation is more convenient and is implanted into more
Stable, in installation process of perform the operation need not apply larger power can just be installed in place liner, avoiding problems because it is larger outside
Power acts on and causes to influence (such as loosening or cracking of metal outer cup) to caused by the metal outer cup being installed in place originally, because
This can effectively be avoided the secondary revision procedure to full acetabular component implant surgery using the full acetabular component of the present invention；Meanwhile
In the full acetabular component of the present invention on the one hand the cooperation of elastic bumps and groove enhances the fixation of liner and metal outer cup, therefore
The abjection of liner can be effectively avoided, on the other hand also effectively limit rotation of the liner relative to outer cup, therefore can effectively keep away
Exempt from because liner rotation and caused by abrasion to the outer peripheral face of liner, so as to improve the service life of full acetabular component.In addition, this
The metal outer cup of the full acetabular component of invention is in half oblate spheroid shape, with the metal outer cup that prior art outer surface is hemispherical design
Compare, full acetabular component will not be stopped at the top of the acetabular bone of human body, therefore full acetabular component can be ensured on the port side of human body acetabular bone
Edge realizes preferably press-fitting effect.In addition, the liner of the full acetabular component of the present invention is using vitamin E stable type crosslinking superelevation point
Sub- weight northylen is made, and can effectively improve the anti-wear performance of liner, so as to can further improve the use longevity of full acetabular component
Life.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art.In all of the figs, similar element
Or part is typically identified by similar reference.In accompanying drawing, each element or part might not be drawn according to the ratio of reality.
Fig. 1 is the upward view according to the structure of the metal outer cup of the full acetabular component of the present invention；
Fig. 2 is the schematic cross-sectional view according to the front view of the structure of the metal outer cup of the full acetabular component of the present invention；
Fig. 3 is the schematic cross-sectional view according to the front view of the structure of the liner of the full acetabular component of the present invention；
Fig. 4 is the enlarged drawing at the A shown in Fig. 3.
Embodiment
The embodiment of technical solution of the present invention is described in detail below in conjunction with accompanying drawing.Following examples are only used for
Clearly illustrate technical scheme, therefore be only used as example, and the protection model of the present invention can not be limited with this
Enclose.
Fig. 1 to 4 shows the structure of the full acetabular component of the present invention.Such as Fig. 1 to 4, the full acetabular component includes half oblate spheroid
The metal outer cup 10 (as depicted in figs. 1 and 2) of shape and be set in metal outer cup 10 liner 20 (as shown in Figure 3), outside metal
Fluted 11 are formed on the inner peripheral surface of cup 10, formed with the elastic bumps 21 being engaged with groove 11 on the outer peripheral face of liner 20,
Elastic bumps 21 on liner 20 can avoid liner 20 relative to metal outer cup 1 in the presence of external force in embedded groove 11
Move.
Metal outer cup 10 when in use, can be fixedly connected, then by the full acetabular component of the present invention with human body acetabular bone first
Liner 20 is arranged in metal outer cup 10 by way of pressing.In the installation process of liner 20, due to liner
20 apply certain active force, and the active force enables the elastic bumps 21 on liner 20 to be embedded in the groove in metal outer cup 10
In 11, on the one hand the cooperation of the elastic bumps 21 and groove 11 enables liner 20 to be fixed in metal outer cup 10, therefore can
Effectively prevent abjection of the liner 20 in metal outer cup 10；On the other hand liner 20 can be also effectively limited relative to outer cup 10 to turn
It is dynamic, thus can effectively avoid because liner 20 rotates and caused by abrasion to the outer peripheral face of liner 20, it is false so as to improve full acetabular bone
The service life of body.In addition, the metal outer cup 10 of the full acetabular component of the present invention is in half oblate spheroid shape, with prior art outer surface
Compared for the metal outer cup of hemispherical design, full acetabular component will not be stopped at the top of the acetabular bone of human body, therefore full acetabular bone can be ensured
Prosthese realizes preferably press-fitting effect in the port edge of human body acetabular bone.
In one preferred embodiment, as shown in figure 1, the number of groove 11 is multiple, and the interval of each groove 11 is set
Put on the circle of the same section of the inner peripheral surface of metal outer cup 10.Between on the same section circle of the inner peripheral surface in metal outer cup 10
Every setting multiple grooves 11, can be beneficial to improve fixed effect of the liner 20 with metal outer cup 10 in all directions that same section is justified
Fruit.Preferably, multiple grooves 11 can be set at equal intervals.It is further preferred that the number of groove 11 is 12.
In another preferred embodiment, in order to further improve the fixed effect of liner 20 and metal outer cup 10,
Each groove 11 can be disposed on the same section circle of the inner peripheral surface of the bigger diameter end close to metal outer cup 10.Preferably, such as
Shown in Fig. 2, each groove 11 may be provided at the end of the bigger diameter end of metal outer cup 10.
Further, as shown in Fig. 2 being also formed with the miner diameter end close to metal outer cup 10 on the inner peripheral surface of metal outer cup 10
Annular groove 12, annular groove 12 is provided with and the phase of annular groove 12 on liner 20 parallel to groove 11 and positioned at the top of groove 11
The elastic boss 22 of cooperation.The cooperation of the annular groove 12 and elastic boss 22 can be as the anti-back structure of full acetabular component, can
The abjection of liner 20 is effectively avoided, so as to effectively avoid the dislocation of human body acetabular bone.
It is worth noting that, the annular groove 12 is preferably able to limit liner 20 relative to metal outer cup 10 in the vertical direction
Motion, and the cooperation of above-mentioned groove 11 and elastic bumps 21 is used to further limit rotation of the liner 20 relative to metal outer cup 10
Transhipment it is dynamic or for limit simultaneously liner 20 relative to the motion in the vertical direction of metal outer cup 10 and liner 20 relative to
The rotary motion of metal outer cup 10.Preferably, can be by above-mentioned each groove 11 when setting above-mentioned annular groove 11 with elastic boss 22
The end of the bigger diameter end of metal outer cup 10 is arranged on, now groove 11 could be arranged to semi-enclosed groove, i.e., the groove shown in Fig. 2
11 side is in communication with the outside, that is, cause the cooperation of groove 11 and elastic bumps 21 be only used for limiting liner 20 relative to metal outside
The rotary motion of cup 10, under groove 11 and the collective effect of elastic bumps 21 and annular groove 12 and elastic boss 22, you can real
Now to liner 20 and metal outer cup 10 in all directions spacing and fixed, without making matching somebody with somebody for groove 11 and elastic bumps 21
There is upper and lower spacing and rotary stopper during contract.
Preferably, when groove 11 is arranged to semi-enclosed groove, two inner sides relative with groove 11 of elastic bumps 21
Can be interference fit between wall, so as to so that the cooperation of elastic bumps 21 and groove 11 has certain fixation.
Further, in order that elastic boss 22 is easier to coordinate with annular groove 12, elastic boss 22 can be set including more
Justify spaced elastic boss in same section on the individual outer peripheral face along liner 20.Preferably, as shown in figure 4, each bullet
Property boss include positioned at the elastic boss side wall on groove profile recess 221, groove profile recess 211 be used for and annular groove 12
Opening is abutted further to block the opening of annular groove 12.
According to the present invention, with reference to shown in Fig. 3 and Fig. 4, elastic bumps 21 include the roof of the miner diameter end close to liner 20
211, the bottom wall 212 of relative and close to liner 20 bigger diameter end with roof 211, and the side wall of connection roof 211 and bottom wall 212
213, wherein, side wall 213 and the angle of bottom wall 212 are acute angle.Pass through the setting so that the side wall 213 of elastic bumps 21 is formed
For an inclined face of the miner diameter end towards elastic bumps 21, the inclined face can be beneficial to elastic bumps 21 and be easier in external force
In groove 11 on the lower embedded metal outer cup 10 of effect.
Preferably, in order to further enable elastic bumps 21 quickly be embedded in the groove 11 on metal outer cup 10, can incite somebody to action
The roof 211 of elastic bumps 21 is formed as smooth curved surface with the junction of side wall 213, and in order to avoid elastic bumps 21 are embedding
Deviate from after entering groove 11 from groove 11, bottom wall 212 and the junction of side wall 213 that elastic bumps 21 can be set are linearly.
It is worth noting that, the structure of the elastic boss 22 in the present invention also can or phase identical with the structure of elastic bumps 21
Seemingly, for example, in order that elastic boss 22 is more easy to be embedded in annular groove 12, above-mentioned elastic bumps can be correspondingly formed on elastic boss 22
21 roof 211, bottom wall 212 and side wall 213, and curved surface of the junction of roof 211 and side wall 213 formation etc., here
Repeat no more.
According to the present invention, as shown in figure 3, liner 20 includes hemispherical inner chamber, being formed on the end face of the bigger diameter end of inner chamber
There is arc-shaped curved surface 23.The arc-shaped curved surface 23 is used to increase to the cladding area for the femur being arranged in inner chamber, is existed with reducing femur
The danger deviate from liner 20.
In addition, according to the present invention, the fixing hole positioned at the top of annular groove 12 is also formed with the inner peripheral surface of metal outer cup 10
13, the fixing hole 13 is used to metal outer cup 10 being fixed on human body acetabular bone；Meanwhile the top of metal outer cup 10 is also formed with using
In the handle hole 14 being used cooperatively with operation instrument (such as holding cupule).
In addition, the elastic bumps 21 and elastic boss 22 in the present invention are integrally formed preferably with liner 20, it is preferable that liner
20 can be made up of vitamin E stable type crosslinked ultra-high-molecular-weight polyethylene, to improve the anti-wear performance of liner 20.
Compared with full acetabular component of the prior art, full acetabular component of the invention has advantages below：
1) full acetabular component of the invention operation installation is more convenient and is implanted into more stable, need not be applied in installation process of performing the operation
Larger power is added just to be installed in place liner 20, avoiding problems cause because of larger external force effect to being installed to originally
(such as loosening or cracking of metal outer cup) is influenceed caused by the metal outer cup of position, therefore using the full acetabular component energy of the present invention
Enough secondary revision procedures effectively avoided to full acetabular component implant surgery；
2) in full acetabular component of the invention on the one hand the cooperation of elastic bumps 21 and groove 11 enhances liner 20 and gold
Belong to the fixation of outer cup 10, therefore can effectively avoid the abjection of liner 20, on the other hand also effectively limit liner 20 relative to
The rotation of outer cup 10, thus can effectively avoid because liner 20 rotates and caused by abrasion to the outer peripheral face of liner 20, so as to carry
The service life of high full acetabular component；
3) metal outer cup 10 of full acetabular component of the invention is in half oblate spheroid shape, is hemispherical with prior art outer surface
The metal outer cup of design is compared, and will not stop full acetabular component at the top of the acetabular bone of human body, therefore full acetabular component can be ensured in people
The port edge of body acetabular bone realizes preferably press-fitting effect；
4) liner 20 of full acetabular component of the invention uses vitamin E stable type crosslinked ultra-high-molecular-weight polyethylene system
Into the anti-wear performance of liner 20 can be effectively improved, so as to can further improve the service life of full acetabular component.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme, it all should cover among the claim of the present invention and the scope of specification.Especially, as long as in the absence of knot
Structure conflict, the every technical characteristic being previously mentioned in each embodiment can combine in any way.The present invention does not limit to
In specific embodiment disclosed herein, but all technical schemes including falling within the scope of the appended claims.
Claims (10)
1. a kind of full acetabular component, including half oblate metal outer cup and the liner being set in the metal outer cup, it is special
Sign is, formed on the inner peripheral surface of the metal outer cup it is fluted, on the outer peripheral face of the liner formed with the groove phase
The elastic bumps of cooperation, the elastic bumps of the interior lining can avoid described in the presence of external force in the embedded groove
Liner moves relative to the metal outer cup.
2. full acetabular component according to claim 1, it is characterised in that the number of the groove is multiple, and each described
Groove is disposed on the same section circle of the inner peripheral surface of the metal outer cup.
3. full acetabular component according to claim 2, it is characterised in that each groove is disposed on close to the gold
Belong on the same section circle of the inner peripheral surface of the bigger diameter end of outer cup.
4. full acetabular component according to claim 3, it is characterised in that be also formed with the inner peripheral surface of the metal outer cup
Close to the annular groove of the miner diameter end of the metal outer cup, the annular groove is parallel to the groove and positioned at the upper of the groove
Side, the interior lining are provided with the elastic boss being engaged with the annular groove.
5. full acetabular component according to claim 4, it is characterised in that the elastic boss includes multiple along the liner
Outer peripheral face on same section justify spaced elastic boss.
6. full acetabular component according to any one of claim 1 to 5, it is characterised in that the elastic bumps include leaning on
The roof of the miner diameter end of the nearly liner, the bottom wall of bigger diameter end relative with the roof and close to the liner, and connection
The side wall of the roof and the bottom wall, wherein, the side wall and the angle of the bottom wall are acute angle.
7. full acetabular component according to claim 6, it is characterised in that the roof and the junction of the side wall are formed
For smooth curved surface, the bottom wall and the junction of the side wall are linearly.
8. full acetabular component according to any one of claim 1 to 5, it is characterised in that the liner includes hemispherical
Inner chamber, formed with arc-shaped curved surface on the end face of the bigger diameter end of the inner chamber.
9. full acetabular component according to claim 4, it is characterised in that be also formed with the inner peripheral surface of the metal outer cup
Positioned at the fixing hole of the upside of the ring groove, it is also formed with the top of the metal outer cup for being used cooperatively with operation instrument
Handle hole.
10. full acetabular component according to any one of claim 1 to 5, it is characterised in that the liner is by vitamin E
Stable type crosslinked ultra-high-molecular-weight polyethylene is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710890075.5A CN107569303A (en) | 2017-09-27 | 2017-09-27 | Full acetabular component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710890075.5A CN107569303A (en) | 2017-09-27 | 2017-09-27 | Full acetabular component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107569303A true CN107569303A (en) | 2018-01-12 |
Family
ID=61039667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710890075.5A Pending CN107569303A (en) | 2017-09-27 | 2017-09-27 | Full acetabular component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107569303A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110495974A (en) * | 2019-09-30 | 2019-11-26 | 优适医疗科技（苏州）有限公司 | New dual-motion hip prosthesis |
| CN110786968A (en) * | 2019-12-06 | 2020-02-14 | 经纬医疗器材制造（深圳）有限公司 | A closely fitting acetabular prosthesis |
| CN110833471A (en) * | 2019-11-26 | 2020-02-25 | 北京安颂科技有限公司 | Acetabulum prosthesis and artificial hip joint prosthesis |
| CN111281615A (en) * | 2020-03-06 | 2020-06-16 | 北京市春立正达医疗器械股份有限公司 | Total acetabular prosthesis |
| WO2021147789A1 (en) * | 2020-01-21 | 2021-07-29 | 北京纳通医疗科技控股有限公司 | Acetabular cup prosthesis and locking structure therefor |
| CN113208781A (en) * | 2020-01-21 | 2021-08-06 | 北京纳通医疗科技控股有限公司 | Acetabular cup prosthesis |
| CN115462935A (en) * | 2022-08-12 | 2022-12-13 | 广州市威马兽医科技服务有限公司 | Double-layer acetabular cup prosthesis and preparation method thereof |
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| EP0728448A1 (en) * | 1994-12-13 | 1996-08-28 | Piero Garosi | Cup for a hip joint prosthesis |
| CN2244386Y (en) * | 1995-06-16 | 1997-01-08 | 林春生 | Hip femoral prosthetic implant and acetabular prosthetic implant used in conjunction with it |
| CN101756755A (en) * | 2008-12-08 | 2010-06-30 | 拜欧米特制造公司 | metal-on-metal modular hybrid liner |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110495974A (en) * | 2019-09-30 | 2019-11-26 | 优适医疗科技（苏州）有限公司 | New dual-motion hip prosthesis |
| CN110495974B (en) * | 2019-09-30 | 2025-06-27 | 优适医疗科技（苏州）有限公司 | New dual-motion hip prosthesis |
| CN110833471A (en) * | 2019-11-26 | 2020-02-25 | 北京安颂科技有限公司 | Acetabulum prosthesis and artificial hip joint prosthesis |
| CN110786968A (en) * | 2019-12-06 | 2020-02-14 | 经纬医疗器材制造（深圳）有限公司 | A closely fitting acetabular prosthesis |
| WO2021147789A1 (en) * | 2020-01-21 | 2021-07-29 | 北京纳通医疗科技控股有限公司 | Acetabular cup prosthesis and locking structure therefor |
| CN113208781A (en) * | 2020-01-21 | 2021-08-06 | 北京纳通医疗科技控股有限公司 | Acetabular cup prosthesis |
| US20230039336A1 (en) * | 2020-01-21 | 2023-02-09 | Beijng Naton Medical Technology Holdings Co., Ltd. | Acetabular cup prosthesis and locking structure thereof |
| CN111281615A (en) * | 2020-03-06 | 2020-06-16 | 北京市春立正达医疗器械股份有限公司 | Total acetabular prosthesis |
| CN111281615B (en) * | 2020-03-06 | 2024-12-03 | 北京市春立正达医疗器械股份有限公司 | Total acetabular prosthesis |
| CN115462935A (en) * | 2022-08-12 | 2022-12-13 | 广州市威马兽医科技服务有限公司 | Double-layer acetabular cup prosthesis and preparation method thereof |
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Application publication date: 20180112 |