CN107898536A - Knee-joint prosthesis - Google Patents
Knee-joint prosthesis Download PDFInfo
- Publication number
- CN107898536A CN107898536A CN201711098540.8A CN201711098540A CN107898536A CN 107898536 A CN107898536 A CN 107898536A CN 201711098540 A CN201711098540 A CN 201711098540A CN 107898536 A CN107898536 A CN 107898536A
- Authority
- CN
- China
- Prior art keywords
- platform
- platform support
- knee
- pad
- joint prosthesis
- 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
- 210000000629 knee joint Anatomy 0.000 title claims abstract description 42
- 210000000689 upper leg Anatomy 0.000 claims abstract description 20
- 210000002303 tibia Anatomy 0.000 claims abstract description 17
- 210000003414 extremity Anatomy 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000001356 surgical procedure Methods 0.000 abstract description 4
- 210000000988 bone and bone Anatomy 0.000 description 6
- 210000004439 collateral ligament Anatomy 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 206010051937 Osteorrhagia Diseases 0.000 description 2
- 241000469816 Varus Species 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 206010061223 Ligament injury Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000771 Vitallium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000013150 knee replacement Methods 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000602 vitallium Substances 0.000 description 1
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
- A61F2/3836—Special connection between upper and lower leg, e.g. constrained
-
- 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
Abstract
The present invention relates to medical instruments field, discloses a kind of knee-joint prosthesis.The knee-joint prosthesis includes being used for the condyle of femur being connected with femur, for the platform support being connected with shin bone, and the platform pad being connected between condyle of femur and platform support.Wherein, formed with inserting groove on the opposite surface with platform pad of platform support, it is raised that flexible grafting is formed on the opposite surface with platform support of platform pad, elastic grafting protrusion can be inserted into inserting groove along the direction on the surface parallel to platform support, and platform pad is connected in platform support.The knee-joint prosthesis of the present invention installs more convenient and quicker in surgical procedure, and stable and firm.
Description
Technical field
The present invention relates to medical instruments field, and in particular to a kind of knee-joint prosthesis.
Background technology
Knee-joint prosthesis is for replacing kneed surgical implant, being mainly used for knee joint surface knee replacement surgery.
As shown in fig. 6, the existing structure of knee-joint prosthesis 100 ' is mainly by condyle of femur 3 ', platform pad 2 ' and 1 ' group of platform support
Into.Wherein, platform pad 2 ' and the opposite surface of platform support 1 ' be formed with buckle structure 11 ' (such as the prominent cooperation with card slot of card),
Platform pad 2 ' and platform support 1 ' to be locked in together.However, although this buckle structure 11 ' can be by platform pad and platform support
It is fixed together, but during actual operation, it is necessary first to platform support 1 ' is fixed together with shin bone, is then reused
Impactor squeezes into platform pad 2 ' in platform support 1 ', and platform pad 1 ' can produce shock with platform support 2 ' during squeezing into, so that
The probability of loosening is connected between increase platform support 1 ' and shin bone.Simultaneously as platform pad 2 ' needs during loading platform support 1 '
Tensioning knee joint collateral ligaments is wanted, therefore also increases the damage risk of collateral ligaments.
In addition, as shown in fig. 7, platform support 1 ' of the prior art is symmetrical structure, and the Tibial osteotomy of human body is cut
Face is generally asymmetrical shape, this, which is resulted in, platform support 1 ' often occurs beyond Tibial osteotomy face edge or covering deficiency in operation
Phenomena such as, when platform support 1 ' exceeds shin bone section edges, can increase to knee joint peripheral ligament, particularly medial collateral ligament
Abrasion；And when platform support 1 ' covers shin bone section deficiency, the cortex bone of shin bone edge high intensity is lacked around Yin Pingtaituo 1 '
Support, can not completely cover shin bone section, easily produce in outside stress inequality, cause knee joint varus or platform support
Loosen, while can also increase the probability of postoperative osteorrhagia.
In view of the deficiencies of the prior art, how to research and develop one kind and meet local physiological and biomethanics requirement, reduce art
The placement of prosthese during prosthetic loosening and convenience are performed the operation afterwards, can reproduce the knee-joint prosthesis of the normal kinematics character of knee joint,
It is one of current important subject in this area.
The content of the invention
More convenient and quicker and the vacation of stable and firm knee joint are installed in surgical procedure it is an object of the invention to provide a kind of
Body.
Knee-joint prosthesis according to the present invention, including the condyle of femur for being connected with femur are flat for what is be connected with shin bone
Platform support, and the platform pad being connected between condyle of femur and platform support, wherein, on the opposite surface with platform pad of platform support
Formed with inserting groove, flexible grafting protrusion, elastic grafting protrusion energy are formed on the opposite surface with platform support of platform pad
In the direction insertion inserting groove on enough surfaces along parallel to platform support, platform pad is connected in platform support.
Further, inserting groove includes the plug division to raise up perpendicular to the surface of platform support, and plug division includes two
Be arranged at intervals and along the surface of platform support width extend clamping limb, and connection two clamping limbs linking arm, bullet
Property the raised lug boss for including raising up perpendicular to the surface of platform pad of grafting, wherein, lug boss is inserted into and is fixed to
In the hemi-closure space surrounded by two clamping limbs and linking arm, platform pad is connected in platform support.
Further, linking arm is located at the marginal position of platform support.
Further, the concave surface formed with indent on the outer peripheral side wall of plug division, for accommodating the outer of lug boss
Edge.
Further, the inner surface of concave surface is formed as arcwall face.
Further, formed with multiple convex portions being intervally arranged on the outer edge of lug boss.
Further, inserting groove is further included along the stopper section to raise up perpendicular to the surface of platform support, and stopper section is formed
On the outer edge of the close linking arm of platform support.
Further, plugging position is on the center line on the length direction of platform support, wherein, plug division is divided into by center line
Secondth area of first area and close tibial medial symmetrical two-part while that platform support is divided into close lateral of tibia
Domain, the area of first area are less than the area of second area.
Further, the surface opposite with platform pad of platform support is burnishing surface.
Further, the columnar protrusions being obliquely installed are also formed with the surface of the remote platform support of platform pad, column is dashed forward
The outer surface risen is formed as curved surface.
The knee-joint prosthesis of the present invention is simple in structure, easy for installation, and stability is good, can meet normal human body natural
Motion of knee joint process, its structure both ensure that the perfect cooperation of platform pad and platform support, and platform pad is pacified when in turn ensure that operation
The convenience of dress, it is ensured that platform support and the matching degree of Tibial osteotomy bone face covering, so that the prosthese of implantation is stable and firm,
And abrasion is significantly reduced in favor of extending the service life of knee-joint prosthesis.
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 solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all of the figs, similar element
Or part is generally identified by similar reference numeral.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the structure diagram according to the knee-joint prosthesis of the present invention；
Fig. 2 is the top view of the structure of the platform support shown in Fig. 1；
Fig. 3 is the front view of the structure of the platform pad shown in Fig. 1；
Fig. 4 is the bottom view of the structure of the platform pad shown in Fig. 1；
Fig. 5 is the front view of the structure of the condyle of femur shown in Fig. 1；
Fig. 6 is the structure diagram of knee-joint prosthesis of the prior art；
Fig. 7 is the structure diagram of the platform support shown in Fig. 6.
Embodiment
The embodiment of technical solution of the present invention is described in detail below in conjunction with attached drawing.Following embodiments are only used for
Clearly illustrate technical scheme, therefore be only used as example, and the protection model of the present invention cannot be limited with this
Enclose.
Fig. 1 shows the structure diagram of knee-joint prosthesis 100 according to the present invention.As shown in Figure 1, the knee-joint prosthesis
100 include being used for the condyle of femur 3 (as shown in Figure 5) being connected with femur, for the platform support 1 being connected with shin bone, and are connected to
Platform pad 2 between condyle of femur 3 and platform support 1.Wherein, formed with grafting on the opposite surface with platform pad 2 of platform support 1
Groove 11 (as shown in Figure 2), forms flexible grafting protrusion 21 (such as Fig. 3 institutes on the opposite surface with platform support 1 of platform pad 2
Show), elastic grafting protrusion 21 can be inserted into inserting groove 11 along the direction on the surface parallel to platform support 1, and platform pad 2 is connected
It is connected in platform support 1.
The knee-joint prosthesis 100 of the present invention when mounted, first by condyle of femur 3 and platform support 1 femur with human body respectively
It is fixedly connected with shin bone, is then connected to one end of platform pad 2 in platform support 1 along the direction parallel to platform support 1, finally will
The other end of platform pad 1 is connected on condyle of femur 3.Wherein, the connection of platform pad 2 and platform support 1 is raised by elastic grafting
21 with inserting groove 11 cooperate to realize, the elasticity grafting protrusion 21 after inserting groove 11 is inserted into, its outer edge abutting
On the side wall of inserting groove 11, by the way that platform pad 2 is stably and firmly fixed by elastic grafting raised 21 elasticity of itself
In platform support 1.The platform pad 2 of the present invention is in installation process, only by the way that the elastic grafting protrusion 21 of platform pad 2 is manually pushed away
Enter and the connection that platform pad 2 is quick with platform support 1, stablizes can be achieved in the inserting groove 11 in platform support 1, it is in surgical procedure
Avoid the larger external force collision for needing to apply in the prior art to platform pad, thus can effectively reduce platform support and shin bone it
Between connect the probability of loosening.In addition, the platform pad 2 of the present invention passes through elastic grafting protrusion 21 and inserting groove 11 with platform support 1
Cooperate so that platform pad 2 and the fixation more convenient and quicker of platform support 1, and without tensioning knee joint collateral ligaments, therefore can
Effectively reduce the risk to Collateral Ligament Injury of Knee Joint.
In one preferred embodiment, as shown in Fig. 2, inserting groove 11 is including upward perpendicular to the surface of platform support 1
Raised plug division, the clamping limb that plug division includes two interval settings and the width along the surface of platform support 1 extends
111, and the linking arm 112 of two clamping limbs 111 of connection, as shown in 3 and Fig. 4, elastic grafting protrusion 21 is included perpendicular to flat
The lug boss 211 that the surface of cushion 2 raises up, wherein, lug boss 211 is inserted into by two clamping limbs 111 and connection
In the hemi-closure space that arm 112 surrounds, platform pad 2 is connected in platform support 1., can by the setting of two clamping limbs 111
It is used to limit transverse movement (i.e. left and right directions in Fig. 2) of the platform pad 2 relative to platform support 1 after the insertion of lug boss 211, and
Platform pad 2 relative to platform support 1 lengthwise movement (i.e. above-below direction in Fig. 2) then can by lug boss 211 and plug division it
Between frictional force limit, meanwhile, the linking arm 112 of two clamping limbs 111 of connection can be used for realizing the limit to lug boss 211
Position, so that lug boss 211 is pushed into the backstop through linking arm 112 after linking arm 112, platform support 1 can bearing platform pad 2 completely
Surface, i.e. platform pad 2 can be integrally covered in platform support 1.Further, since width of the clamping limb 111 along the surface of platform support 1
Direction extends, hence in so that plug division has been arranged on the width of platform support 1, which reduces lug boss 211 and be pushed into
The displacement of plug division, so that platform pad 2 can be connected in platform support 1 more quickly.
Further, as described in Figure 2, for the ease of the making of platform support 1, plug division can be formed in the side of platform support 1
Linking arm 112, i.e., is formed in the marginal position of platform support 1 by edge position.
According to the present invention, with reference to shown in Fig. 1 and Fig. 2, it is preferable that formed with indent on the outer peripheral side wall of plug division
Concave surface 113 (as shown in Figure 1), i.e. clamping limb 111 and the concave surface 113 formed with indent on the outer peripheral side wall of linking arm 112,
The concave surface 113 is used for the outer edge for accommodating lug boss 211, should further to limit the movement of lug boss 211 in the up-down direction
Setting can improve the stability that platform pad 2 is fixed in platform support 1.
In one preferred embodiment, the inner surface of concave surface 113 is formed as coarse arcwall face, the coarse arc
Shape face can increase the contact area between lug boss 211 and plug division, and increase the friction between lug boss 211 and plug division
Power, so as to which the fixation of platform pad 2 and platform support 1 is better achieved.
Be preferably carried out at another in mode, on the outer edge of lug boss 211 can formed with it is multiple be intervally arranged it is convex
Portion.The convex portion can be in point-like, be mainly used for increasing the frictional force between lug boss 211 and plug division, flat to be better achieved
Cushion 2 and the fixation of platform support 1.
According to the present invention, as shown in Fig. 2, inserting groove 11 can also further comprise along upward perpendicular to the surface of platform support 1
Raised stopper section 12, stopper section 12 are formed on the outer edge of close linking arm 112 of platform support, and the stopper section 12 is on the one hand
It is spacing for being carried out in platform pad 2 during platform support 1 is pushed into platform pad 2, so that the size of platform pad 2 can be more
The size with platform support 1 matches well, on the other hand can also be used to prevent platform pad 2 during platform support 1 is pushed into
Deviate from platform support 1.
Further, as shown in Fig. 2, plug division can be located on the center line on the length direction of platform support 1, wherein, in this
Line by plug division be divided into it is symmetrical two-part and meanwhile by platform support 1 be divided into close to lateral of tibia first area A and lean on
The second area B of nearly tibial medial, the area of first area A are less than the area B of second area.Pass through the setting so that platform
The surface configuration of support 1 is more close with the shape in human tibia osteotomy bone face, so as to fulfill platform support 1 and human tibia osteotomy bone face
Splendid bone covering, and then generation the problems such as loosening of knee joint varus or platform support is efficiently avoid, at the same time
Also reduce the probability of postoperative osteorrhagia.
In addition, the surface opposite with platform pad 2 of platform support 1 may be configured as burnishing surface, existed with reducing knee-joint prosthesis 100
Abrasion during use between platform pad 2 and platform support 1, so as to improve the service life of knee-joint prosthesis 100.
In addition, as shown in Figure 2 and Figure 4, on the surface opposite with platform pad 2 of platform support 1, and platform pad 2 with it is flat
The first matching hole 13 and the second matching hole 22 for being connected with operating theater instruments are additionally provided with the opposite surface of platform support 1, so as to
In the installation of platform support 1 and platform pad 2.Preferably, the first matching hole 13 and the second matching hole 22 are respectively positioned at platform support 1 with putting down
The marginal position of cushion 2.It is further preferred that the first matching hole 13 in platform support 1 is opposite with the opening of inserting groove 11, platform
The second matching hole 22 on pad 2 initiating terminal opposite with the insertion end of elastic grafting protrusion 21 is opposite.
Further, as shown in figure 3, being also formed with the column being obliquely installed on the surface of the remote platform support 1 of platform pad 2
Projection 23, the outer surface of columnar protrusions 23 are formed as curved surface.The columnar protrusions 23 are used to be inserted into and be connected in femur, its appearance
Face be formed as curved surface can increase with the contact surface of femur accumulate, so as to beneficial to the fixation with femur.
According to the present invention, platform pad 2 can be made of superhigh molecular weight polyethylene material, and platform support 1 can be by vitallium
Material is made.
The knee-joint prosthesis 100 of the present invention is simple in structure, easy for installation, and stability is good, can meet normal human body
Natural motion of knee joint process, its structure both ensure that the perfect cooperation of platform pad 2 and platform support 1, be put down when in turn ensure that operation
The convenience that cushion 2 is installed, it is ensured that platform support 1 and the matching degree of Tibial osteotomy bone face covering, so that the prosthese of implantation
It is stable and firm, and abrasion is significantly reduced in favor of extending the service life of knee-joint prosthesis 100.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution described in foregoing embodiments, either to which part or all technical characteristic into
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 should all cover among the claim of the present invention and the scope of specification.Especially, as long as there is no knot
Structure conflict, items technical characteristic mentioned in the various embodiments can be combined in any way.The present invention does not limit to
In specific embodiment disclosed herein, but all technical solutions including falling within the scope of the appended claims.
Claims (10)
1. a kind of knee-joint prosthesis, it is characterised in that flat for what is be connected with shin bone including the condyle of femur for being connected with femur
Platform support, and the platform pad being connected between the condyle of femur and the platform support, wherein, the platform support with the platform
Pad on opposite surface formed with inserting groove, flexible grafting is formed on the surface opposite with the platform support of the platform pad
Protrusion, the elasticity grafting protrusion can be inserted into the inserting groove along the direction on the surface parallel to the platform support, will
The platform pad is connected in the platform support.
2. knee-joint prosthesis according to claim 1, it is characterised in that the inserting groove is included perpendicular to the platform support
The plug division that raises up of surface, the plug division includes two and is arranged at intervals and along the width side on the surface of the platform support
To the clamping limb of extension, and the linking arm of two clamping limbs of connection, the elasticity grafting is raised to be included perpendicular to described
The lug boss that the surface of platform pad raises up, wherein, the lug boss is inserted into by two clamping limbs and described
In the hemi-closure space that linking arm surrounds, the platform pad is connected in the platform support.
3. knee-joint prosthesis according to claim 2, it is characterised in that the linking arm is located at the edge of the platform support
Position.
4. the knee-joint prosthesis according to Claims 2 or 3, it is characterised in that on the outer peripheral side wall of the plug division
Concave surface formed with indent, for accommodating the outer edge of the lug boss.
5. knee-joint prosthesis according to claim 4, it is characterised in that the inner surface of the concave surface is formed as arcwall face.
6. knee-joint prosthesis according to claim 4, it is characterised in that formed with multiple on the outer edge of the lug boss
The convex portion being intervally arranged.
7. the knee-joint prosthesis according to Claims 2 or 3, it is characterised in that the inserting groove is further included along perpendicular to institute
The stopper section that the surface of platform support raises up is stated, the stopper section is formed in the outer of the close linking arm of the platform support
On edge.
8. the knee-joint prosthesis according to Claims 2 or 3, it is characterised in that the plugging position is in the platform support
On center line on length direction, wherein, the plug division is divided into symmetrical two-part while described will put down by the center line
Platform support is divided into small close to the first area of lateral of tibia and the second area close to tibial medial, the area of the first area
In the area of the second area.
9. knee-joint prosthesis according to any one of claim 1 to 3, it is characterised in that the platform support with it is described
The opposite surface of platform pad is burnishing surface.
10. knee-joint prosthesis according to any one of claim 1 to 3, it is characterised in that the remote institute of the platform pad
The columnar protrusions for being also formed with being obliquely installed on the surface of platform support are stated, the outer surface of the columnar protrusions is formed as curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711098540.8A CN107898536A (en) | 2017-11-09 | 2017-11-09 | Knee-joint prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711098540.8A CN107898536A (en) | 2017-11-09 | 2017-11-09 | Knee-joint prosthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107898536A true CN107898536A (en) | 2018-04-13 |
Family
ID=61844627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711098540.8A Pending CN107898536A (en) | 2017-11-09 | 2017-11-09 | Knee-joint prosthesis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107898536A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0634155A2 (en) * | 1993-07-16 | 1995-01-18 | Peter Stanley Walker | Prosthesis for knee replacement |
| US20080243263A1 (en) * | 2007-03-30 | 2008-10-02 | Lee Jordan S | Mobile bearing assembly having multiple articulation interfaces |
| CN101301231A (en) * | 2007-03-30 | 2008-11-12 | 德普伊产品公司 | Mobile bearing assembly having a non-planar interface |
| CN103118634A (en) * | 2010-07-24 | 2013-05-22 | 捷迈有限公司 | Tibial prosthesis |
| EP2774582A1 (en) * | 2013-03-07 | 2014-09-10 | DePuy (Ireland) | Fixed-bearing knee prosthesis |
| CN105055052A (en) * | 2010-12-17 | 2015-11-18 | 捷迈有限公司 | Provisional tibial prosthesis system |
| CN105596122A (en) * | 2016-03-03 | 2016-05-25 | 华中科技大学同济医学院附属同济医院 | Artificial total knee joint prosthesis |
| CN209172590U (en) * | 2017-11-09 | 2019-07-30 | 北京市春立正达医疗器械股份有限公司 | Knee-joint prosthesis |
-
2017
- 2017-11-09 CN CN201711098540.8A patent/CN107898536A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0634155A2 (en) * | 1993-07-16 | 1995-01-18 | Peter Stanley Walker | Prosthesis for knee replacement |
| US20080243263A1 (en) * | 2007-03-30 | 2008-10-02 | Lee Jordan S | Mobile bearing assembly having multiple articulation interfaces |
| CN101301231A (en) * | 2007-03-30 | 2008-11-12 | 德普伊产品公司 | Mobile bearing assembly having a non-planar interface |
| CN103118634A (en) * | 2010-07-24 | 2013-05-22 | 捷迈有限公司 | Tibial prosthesis |
| CN105055052A (en) * | 2010-12-17 | 2015-11-18 | 捷迈有限公司 | Provisional tibial prosthesis system |
| EP2774582A1 (en) * | 2013-03-07 | 2014-09-10 | DePuy (Ireland) | Fixed-bearing knee prosthesis |
| CN105596122A (en) * | 2016-03-03 | 2016-05-25 | 华中科技大学同济医学院附属同济医院 | Artificial total knee joint prosthesis |
| CN209172590U (en) * | 2017-11-09 | 2019-07-30 | 北京市春立正达医疗器械股份有限公司 | Knee-joint prosthesis |
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