CN118141573A - Tibia prosthesis and knee joint prosthesis - Google Patents
Tibia prosthesis and knee joint prosthesis Download PDFInfo
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- CN118141573A CN118141573A CN202410564330.7A CN202410564330A CN118141573A CN 118141573 A CN118141573 A CN 118141573A CN 202410564330 A CN202410564330 A CN 202410564330A CN 118141573 A CN118141573 A CN 118141573A
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- gasket
- groove
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- main body
- prosthesis
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- 210000002303 tibia Anatomy 0.000 title claims abstract description 16
- 210000000629 knee joint Anatomy 0.000 title claims abstract description 15
- 230000002265 prevention Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 125000006850 spacer group Chemical group 0.000 description 8
- 210000003127 knee Anatomy 0.000 description 7
- 238000001356 surgical procedure Methods 0.000 description 7
- 238000000605 extraction Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 210000004417 patella Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 240000006677 Vicia faba Species 0.000 description 2
- 235000010749 Vicia faba Nutrition 0.000 description 2
- 235000002098 Vicia faba var. major Nutrition 0.000 description 2
- 210000003041 ligament Anatomy 0.000 description 2
- 239000011664 nicotinic acid Substances 0.000 description 2
- 210000002967 posterior cruciate ligament Anatomy 0.000 description 2
- 210000003484 anatomy Anatomy 0.000 description 1
- 210000001264 anterior cruciate ligament Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009023 proprioceptive sensation Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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- Prostheses (AREA)
Abstract
The invention discloses a tibial prosthesis and a knee joint prosthesis. The tibia platform comprises a platform main body and a tibia handle connected to the lower surface of the platform main body. The inner side gasket and the outer side gasket are respectively detachably arranged on the inner side and the outer side of the platform main body. The bottom of inboard gasket with the bottom of outside gasket all is equipped with buckle structure, be provided with on the platform main part can with two buckle structure joint's two joint portions. The knee joint prosthesis comprises the tibial prosthesis. The invention forms flexible joint interfaces on the inner side and the outer side after knee joint replacement, can select to replace a single-side gasket and a double-side gasket, ensures the activity function of the knee joint and improves the stability of the knee joint.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a tibial prosthesis and a knee joint prosthesis.
Background
In the primary knee joint replacement surgery and revision process, the multiple selectivity of the prosthesis is always an important factor for ensuring the smoothness of the surgery. Traditional prostheses are poor in proprioception of the patient after surgery, and in the repair process, some parts need to be replaced integrally, so that the cost is high, the replacement of components is difficult, and the general fit of the prostheses is poor.
Accordingly, there is a need for a tibial and knee prosthesis that addresses the above issues.
Disclosure of Invention
The present invention is directed to a tibial prosthesis and a knee prosthesis that solve the above-mentioned problems.
In order to achieve the above purpose, the present invention provides the following technical solutions:
A tibial prosthesis, comprising:
the tibia platform comprises a platform main body and a tibia handle connected to the lower surface of the platform main body;
the inner side gasket and the outer side gasket are respectively detachably arranged on the inner side and the outer side of the platform main body;
The bottom of inboard gasket with the bottom of outside gasket all is equipped with buckle structure, be provided with on the platform main part can with two buckle structure joint's two joint portions.
As a preferable scheme of the tibial prosthesis, the two clamping parts are both in strip shapes, and an included angle a between the central line of the clamping part and the central line of the front-back direction of the platform main body is 30-70 degrees.
As a preferable mode of the tibial prosthesis, the engaging portion is located on the front side of the platform body.
As the preferable scheme of above-mentioned shin bone false body, joint portion is "door" type, includes two mirror symmetry's reverse L shape side hook, buckle structure is reverse T shape, buckle structure is by two opening card between the reverse L shape side hook goes into joint portion.
As the preferable scheme of above-mentioned shin bone prosthesis, the platform main part is equipped with first recess and second recess, is used for the holding respectively the lower part of inboard gasket with the lower part of outside gasket, the side edge of first recess with the side edge of second recess all is equipped with the draw-in groove structure, inboard gasket with be equipped with on the outside gasket can with draw-in groove structure joint's arch.
As the preferable scheme of above-mentioned shin bone prosthetic, still include the center post, the center post detachable is located the middle part of platform main part, the preceding terminal surface of center post is the cambered surface that cross section curve and sagittal plane curve intersect the curve and constitutes, center post top rear portion is equipped with the tailboard that prevents the femoral condyle and deviate from.
As a preferable mode of the tibial prosthesis, the radius of the transverse plane is 20-30mm, and the radius of the sagittal plane is 20-80mm.
As the preferable scheme of above-mentioned shin bone prosthetic, the center post is equipped with the axial through-hole that is used for installing the screw, the platform main part corresponds and is equipped with the screw hole, the top of axial through-hole is equipped with countersunk head and spacing groove from top to bottom in proper order, spacing groove aperture is greater than countersunk head's aperture, the screw includes screw rod and end cap, be equipped with the boss on the end cap, the boss can with spacing groove chucking.
As the preferable scheme of the tibia prosthesis, the bottom of the central column is provided with an anti-rotation groove, and the platform main body is correspondingly provided with an anti-rotation block.
The invention also provides a knee joint prosthesis, which comprises the tibia prosthesis.
The invention has the beneficial effects that:
According to the tibial prosthesis and the knee joint prosthesis, the inner side gasket and the outer side gasket can be respectively and detachably connected with the inner side and the outer side of the platform body, the inner side gasket and the outer side gasket are designed in a split mode, and the two sides of the inner side gasket and the outer side gasket can be matched with gaskets with different thicknesses, so that the tibial prosthesis and the knee joint prosthesis are more bionic; during revision surgery, the split design of the inner side gasket and the outer side gasket makes it possible to replace only one side gasket, and the surgery is more effective and economical.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a two-winged knee tibial prosthesis in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of an exploded view of a two-winged knee tibial prosthesis in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of a tibial plateau in accordance with an embodiment of the present invention;
fig. 4 is a schematic view of a tibial plateau in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view illustrating a position of a clamping portion according to an embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating connection between a buckle and a clamping portion according to an embodiment of the present invention;
FIG. 7 is a schematic view of an inner spacer according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a second embodiment of an inner spacer;
FIG. 9 is a schematic view of an outer spacer according to an embodiment of the present invention;
FIG. 10 is a schematic diagram of an outer spacer according to an embodiment of the present invention
FIG. 11 is a schematic view of a center pillar according to an embodiment of the present invention;
FIG. 12 is a second schematic structural view of a center pillar according to an embodiment of the present invention;
FIG. 13 is a cross-sectional view of F-F in FIG. 12;
FIG. 14 is a third schematic structural view of a center pillar according to an embodiment of the present invention;
FIG. 15 is a schematic view of a screw according to an embodiment of the present invention;
fig. 16 is a schematic illustration of the connection of the end cap and center post of the screw in an embodiment of the present invention.
Wherein:
1. A tibial plateau;
11. A platform body; 111. a clamping part; 1111. an inverted L-shaped side hook; 112 a first groove; 1121. a first clamping groove structure; 1122. a first gasket removal slot; 1123. a first gasket press-in groove; 113. a second groove; 1131. a second clamping groove structure; 1132. a second gasket removal groove; 1133. a second gasket is pressed into the groove; 114. patella notch; 115. posterior cruciate ligament notch; 116. screw holes; 117. an anti-rotation block;
12. a tibial stem; 121. a side wing; 122. fixing the nail hole; 123. extending the rod hole;
2. An inner spacer; 21. a first protrusion;
3. An outer spacer; 31. a second protrusion;
4. a buckle structure;
5. A center column; 51. a front end face; 52. a tail plate; 53. a through hole; 531. a countersunk head; 532. a limit groove; 54. an anti-rotation groove;
6. a screw; 61. an end cap; 62. a boss.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the system or element to be referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
This embodiment provides a tibial prosthesis, as shown in fig. 1-2, comprising a tibial plateau 1, a medial shim 2 and a lateral shim 3. The tibial plateau 1 includes a plateau body 11 and a tibial stem 12 attached to the lower surface of the plateau body 11. The inboard gasket 2 and outside gasket 3 are detachable respectively locates the inboard and the outside of platform main part 11, and the bottom of inboard gasket 2 and outside gasket 3 all is equipped with buckle structure 4, is provided with two joint portions 111 that can with two buckle structure 4 joint on the platform main part 11.
In the tibial prosthesis of the embodiment, the inner side gasket 2 and the outer side gasket 3 can be respectively and detachably connected with the inner side and the outer side of the platform body, the inner side gasket 2 and the outer side gasket 3 are designed in a split mode, and two sides of the tibial prosthesis can be matched with gaskets with different thicknesses, so that the tibial prosthesis is more bionic; during revision surgery, the split design of the inner side gasket 2 and the outer side gasket 3 makes it possible to replace only one side gasket, and the surgery is more effective and economical.
The tibial plateau 1 anatomic design allows for a higher coverage of the prosthesis. As shown in fig. 3 to 4, the inner part of the platform body 11 is larger than the outer part, and is similar to the human anatomy, so that a good bone covering effect can be achieved; the left-right diameter ML/front-rear diameter AP of the inner side portion of the platform body 11 is 0.5-0.6, and the left-right diameter ML/front-rear diameter AP of the outer side portion of the platform body 11 is 0.6-0.7. The front side of the platform main body 11 is provided with a patella notch 114 with a concave arc structure, so that the patella tissue can be protected from sliding smoothly; the posterior cruciate ligament notch 115 of the concave circular arc structure is provided on the posterior side of the platform body 11, so that the cruciate ligament can be protected from sliding smoothly.
The inner side gasket 2 and the outer side gasket 3 are respectively detachably arranged on the inner side and the outer side of the platform main body 11, and the upper surfaces of the inner side gasket 2 and the outer side gasket 3 are matched with cambered surfaces corresponding to the plane of the femoral condyle prosthesis; because the inner side and the outer side can be matched with the inner side gasket 2 and the outer side gasket 3 with different thicknesses, the knee joint can be turned inside out by an angle of 5 degrees to 10 degrees.
As shown in fig. 5, in the present embodiment, both the engaging portions 111 are elongated, and the angle a between the center line of the engaging portion 111 and the center line of the platform body 11 in the front-rear direction is 30 ° to 70 °. The angle design of the clamping part 111 can bear the shearing force of the gasket in the front-back direction and the shearing force of the gasket in the left-right direction, and avoid the movement of the gasket in the corresponding direction.
As shown in fig. 6, the gasket is mainly positioned at the middle and rear sides of the platform main body 11, so that the clamping part 111 is positioned at the front side of the platform main body 11, avoiding the stress point, and effectively preventing the gasket from falling out.
In this embodiment, the clamping portion 111 is a "door" shape, including two inverted L-shaped side hooks 1111 that are mirror-symmetrical, the fastening structure 4 is inverted T-shaped, and the fastening structure 4 is clamped into the clamping portion 111 through an opening between the two inverted L-shaped side hooks 1111. Preferably, the design of the outer chamfer at the corner of the inverted L-shaped side hook 1111 can ensure smooth clamping in of the gasket. The clamping part 111 is of a symmetrical structure, can clamp and limit the anti-falling on two sides of the clamping structure 4, and has stronger shearing resistance and anti-falling capacity compared with a unilateral clamping and limiting anti-falling structure in the prior art.
As shown in fig. 3, 4, 7, 8, 9 and 10, the platform body 11 is provided with a first groove 112 and a second groove 113 for respectively accommodating the lower portion of the inner side gasket 2 and the lower portion of the outer side gasket 3, and two clamping portions 111 are respectively disposed at the groove bottom of the first groove 112 and the groove bottom of the second groove 113. The side edges of the first groove 112 and the side edges of the second groove 113 are respectively provided with a clamping groove structure, and the inner side gasket 2 and the outer side gasket 3 are respectively provided with a protrusion which can be clamped with the clamping groove structures.
Specifically, the rear side of the lower portion of the inner pad 2 is provided with a first protrusion 21, the front side of the lower portion of the outer pad 3 is provided with a second protrusion 31, and correspondingly, the rear side edge of the first groove 112 and the rear side edge of the second groove 113 of the platform body 11 are provided with a first clamping groove structure 1121 and a second clamping groove structure 1131, respectively. Or the front side of the lower part of the inner side gasket 2 is provided with a third protrusion, the front side of the lower part of the outer side gasket 3 is provided with a fourth protrusion, and the front side edge of the second groove 113 of the platform main body 11 are respectively provided with a third clamping groove structure and a fourth clamping groove structure.
The connecting structure of the platform main body 11, the inner side gasket 2 and the outer side gasket 3 can enable the inner side gasket 2 and the outer side gasket 3 to be connected with the platform main body 11 in different directions at the bottom and the side, so that the inner side gasket 2 and the outer side gasket 3 can be prevented from falling out of the platform main body 11.
The side edges of the first groove 112 and the side edges of the second groove 113 are respectively provided with a first gasket extraction groove 1122 and a second gasket extraction groove 1132, so that the first gasket extraction groove 1122 for extracting the inner gasket 2 and the outer gasket 3 is arranged opposite to the first clamping groove structure 1121, and the second gasket extraction groove 1132 is arranged opposite to the second clamping groove. The first gasket extraction groove 1122 and the second gasket extraction groove 1132 are further provided with a first gasket press-in groove 1123 and a second gasket press-in groove 1133, respectively, so that the lower parts of the inner gasket 2 and the outer gasket 3 can be pressed into the first groove 112 and the second groove 113.
In the present embodiment, the outer contour of the inner spacer 2 is in the form of "broad bean" and matches the inner contour of the platform body 11. The upper surface of the inner side gasket 2 is an arc surface, and the lower surface is a plane; the lowest point O of the medial shim 2 is located posteriorly of the liner, and the ratio of the medial shim 2 coronal plane radius RC1 to the femoral condyle coronal plane radius satisfies the knee golden ratio 1:0.96-1:0.98, the sagittal front end radius RMA is smaller than the sagittal rear end radius RMP, and the sagittal front end radius RMA is greater than the coronal radius RC1.
In this embodiment, the outer contour of the outer spacer 3 is in the shape of "broad bean" and matches the outer contour of the outer side of the platform body 11. The upper surface of the outer gasket 3 is an arc surface, and the lower surface is a plane; the lowest point L of the lateral shim 3 is located on the posterior side of the liner, and the ratio of the lateral shim 3 coronal surface radius RC2 to the femoral condyle coronal surface radius satisfies the knee golden ratio 1: the sagittal front end radius RLA is less than the sagittal rear end radius RLP and greater than the coronal radius RC2 at 0.96-1:0.98.
Because the knee joint moves naturally, the anterior lip height of the medial pad 2 is higher than the anterior lip height of the lateral pad 3, resulting in the medial pad 2 being compared to the lateral pad 3, so the sagittal front end radius of the articular surface of the medial pad 2 is smaller than the sagittal front end radius of the lateral pad 3, the medial pad 2 is more like a "ball and socket" structure to maintain stability of medial movement, while the elevation of the anterior lip height of the medial pad 2 can replace anterior cruciate ligament tissue femoral condyle anterior translation. The joint surfaces of the inner side gasket 2 and the outer side gasket 3 are designed to be different in cambered surfaces, so that the movement matching rotation in the front-back direction can be provided. In the present embodiment, the crown surface radius RC1 of the inner shim 2 is equal to the crown surface radius RC2 of the outer shim 3.
As shown in fig. 11-16, the tibial prosthesis in this embodiment further includes a central post 5, the central post 5 is detachably disposed in the middle of the platform main body 11, the front end surface 51 of the central post 5 is an arc surface formed by intersecting curves of a cross section curve and a sagittal section curve, the radius of the cross section is 20-30mm, the radius of the sagittal section is 20-80mm, and the arc surface can be better attached to the patella track of the tibial platform 1, so as to ensure that the soft tissue of the human body slides more smoothly. The tail plate 52 for preventing the femoral condyle from falling off is arranged at the rear part of the top of the central column 5, so that the femoral condyle can be effectively prevented from falling off after the movement of a human body exceeds the jumping distance designed by the prosthesis.
The center post 5 is equipped with the axial through-hole 53 that is used for installing screw 6, and platform main part 11 corresponds to be equipped with screw hole 116, and the top of axial through-hole 53 is equipped with countersunk 531 and spacing groove 532 from top to bottom in proper order, and spacing groove 532 aperture is greater than countersunk 531's aperture, and screw 6 includes screw rod and end cap 61, is equipped with boss 62 on the end cap 61, and boss 62 can be with spacing groove 532 chucking, and this structure can put screw 6 and deviate from, realizes effective locking. The threads of the screw end cooperate with the screw holes 116 of the platform body 11 for tightening the screws 6, and the bosses 62 of the end caps 61 ensure that the screws 6, after being screwed into the predetermined position, again lock the central column 5.
The bottom of center post 5 is equipped with prevents revolving groove 54, and platform main part 11 corresponds to be equipped with prevents revolving piece 117, can guarantee that center post 5 after the installation avoids producing the rotation.
The center column 5 can be selected according to the damage degree of the cruciate ligament observed in the operation, so that the operation mode is more convenient and diversified.
The tibial stem 12 shown in fig. 1, 2 and 16 is of cylindrical configuration; the axis of the tibia handle 12 and the platform main body 11 have an included angle of 85-90 degrees, and are close to the physiological structure of a human body; the medial and lateral sides of the tibial stem 12 are respectively designed with wings 121 to support the platform body 11. A fixing nail hole 122 for fixing the extension rod is provided under the side wing 121. The bottom of tibial stem 12 is provided with an extension rod hole 123.
The present embodiment also provides a knee prosthesis comprising a tibial prosthesis as described above.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present invention is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present invention can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (10)
1. A tibial prosthesis, comprising:
The tibia platform (1), the tibia platform (1) comprises a platform main body (11) and a tibia handle (12) connected to the lower surface of the platform main body (11);
An inner side gasket (2) and an outer side gasket (3), wherein the inner side gasket (2) and the outer side gasket (3) are respectively detachably arranged on the inner side and the outer side of the platform main body (11);
the bottom of inboard gasket (2) with outside gasket (3) all is equipped with buckle structure (4), be provided with on platform main part (11) can with two buckle structure (4) joint two joint portions (111).
2. The tibial prosthesis of claim 1, wherein: the two clamping parts (111) are both in strip shapes, and an included angle a between the central line of the clamping part (111) and the central line of the platform main body (11) in the front-back direction is 30-70 degrees.
3. The tibial prosthesis of claim 2, wherein: the clamping part (111) is positioned at the front side of the platform main body (11).
4. The tibial prosthesis of claim 1, wherein: the clamping part (111) is a door, and comprises two inverted L-shaped side hooks (1111) which are mirror symmetry, the clamping structure (4) is in an inverted T shape, and the clamping structure (4) is clamped into the clamping part (111) through an opening between the two inverted L-shaped side hooks (1111).
5. The tibial prosthesis of claim 1, wherein: the platform body (11) is provided with a first groove (112) and a second groove (113) which are used for respectively accommodating the lower part of the inner side gasket (2) and the lower part of the outer side gasket (3), the side edge of the first groove (112) and the side edge of the second groove (113) are respectively provided with a clamping groove structure, and the inner side gasket (2) and the outer side gasket (3) are provided with protrusions which can be clamped with the clamping groove structures.
6. The tibial prosthesis of claim 1, wherein: the femoral condyle fracture prevention device is characterized by further comprising a center column (5), wherein the center column (5) is detachably arranged in the middle of the platform main body (11), the front end face (51) of the center column (5) is an arc face formed by a cross section curve and a sagittal curve intersecting curve, and a tail plate (52) for preventing the femoral condyle from being separated is arranged at the rear part of the top of the center column (5).
7. The tibial prosthesis of claim 6, wherein: the radius of the cross section is 20-30mm, and the radius of the sagittal plane is 20-80mm.
8. The tibial prosthesis of claim 6, wherein: the center column (5) is provided with an axial through hole (53) for installing a screw (6), the platform main body (11) is correspondingly provided with a screw hole (116), the top of the axial through hole (53) is sequentially provided with a countersunk head (531) and a limiting groove (532) from top to bottom, the aperture of the limiting groove (532) is larger than that of the countersunk head (531), the screw (6) comprises a screw rod and an end cap (61), a boss (62) is arranged on the end cap (61), and the boss (62) can be clamped with the limiting groove (532).
9. The tibial prosthesis of claim 6, wherein: the bottom of the center column (5) is provided with an anti-rotation groove (54), and the platform main body (11) is correspondingly provided with an anti-rotation block (117).
10. A knee joint prosthesis, characterized in that: comprising a tibial prosthesis according to any one of claims 1 to 6.
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CN202410564330.7A CN118141573A (en) | 2024-05-09 | 2024-05-09 | Tibia prosthesis and knee joint prosthesis |
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CN202410564330.7A CN118141573A (en) | 2024-05-09 | 2024-05-09 | Tibia prosthesis and knee joint prosthesis |
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Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW471963B (en) * | 1999-10-07 | 2002-01-11 | Exactech Inc | Composite bearing inserts for total knee joints |
US20080114463A1 (en) * | 2006-10-13 | 2008-05-15 | Auger Daniel D | Mobile/fixed prosthetic knee systems |
DE102016207205A1 (en) * | 2016-04-27 | 2017-11-02 | Ceramtec Gmbh | Tibial component for a knee endoprosthesis with two PE liners |
WO2017186651A1 (en) * | 2016-04-27 | 2017-11-02 | Ceramtec Gmbh | Tibial component for a knee endoprosthesis with two pe liners |
CN109172052A (en) * | 2018-08-27 | 2019-01-11 | 常州华众生物科技有限公司 | A kind of knee joint tibial system and knee joint medical device |
CN110811936A (en) * | 2019-10-18 | 2020-02-21 | 胡永成 | Spherical shaft hinge type artificial knee joint prosthesis of rotary platform and use method |
CN210962460U (en) * | 2019-06-14 | 2020-07-10 | 湖南果行健康产业有限公司 | Artificial knee joint |
CN211187661U (en) * | 2019-12-02 | 2020-08-07 | 北京蒙太因医疗器械有限公司 | Tibial prosthesis and knee joint prosthesis comprising same |
CN212281783U (en) * | 2020-03-06 | 2021-01-05 | 邬黎平 | Knee joint prosthesis structure capable of reserving anterior and posterior cruciate ligaments |
CN213047496U (en) * | 2020-07-24 | 2021-04-27 | 北京市春立正达医疗器械股份有限公司 | Knee joint prosthesis with anterior and posterior cruciate ligaments reserved |
CN116138933A (en) * | 2023-02-21 | 2023-05-23 | 北京力达康科技有限公司 | Knee joint prosthesis for error correction and use method |
CN117653424A (en) * | 2024-01-10 | 2024-03-08 | 北京爱康宜诚医疗器材有限公司 | Knee joint prosthesis |
-
2024
- 2024-05-09 CN CN202410564330.7A patent/CN118141573A/en active Pending
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW471963B (en) * | 1999-10-07 | 2002-01-11 | Exactech Inc | Composite bearing inserts for total knee joints |
US20080114463A1 (en) * | 2006-10-13 | 2008-05-15 | Auger Daniel D | Mobile/fixed prosthetic knee systems |
DE102016207205A1 (en) * | 2016-04-27 | 2017-11-02 | Ceramtec Gmbh | Tibial component for a knee endoprosthesis with two PE liners |
WO2017186651A1 (en) * | 2016-04-27 | 2017-11-02 | Ceramtec Gmbh | Tibial component for a knee endoprosthesis with two pe liners |
CN109172052A (en) * | 2018-08-27 | 2019-01-11 | 常州华众生物科技有限公司 | A kind of knee joint tibial system and knee joint medical device |
CN210962460U (en) * | 2019-06-14 | 2020-07-10 | 湖南果行健康产业有限公司 | Artificial knee joint |
CN110811936A (en) * | 2019-10-18 | 2020-02-21 | 胡永成 | Spherical shaft hinge type artificial knee joint prosthesis of rotary platform and use method |
CN211187661U (en) * | 2019-12-02 | 2020-08-07 | 北京蒙太因医疗器械有限公司 | Tibial prosthesis and knee joint prosthesis comprising same |
CN212281783U (en) * | 2020-03-06 | 2021-01-05 | 邬黎平 | Knee joint prosthesis structure capable of reserving anterior and posterior cruciate ligaments |
CN213047496U (en) * | 2020-07-24 | 2021-04-27 | 北京市春立正达医疗器械股份有限公司 | Knee joint prosthesis with anterior and posterior cruciate ligaments reserved |
CN116138933A (en) * | 2023-02-21 | 2023-05-23 | 北京力达康科技有限公司 | Knee joint prosthesis for error correction and use method |
CN117653424A (en) * | 2024-01-10 | 2024-03-08 | 北京爱康宜诚医疗器材有限公司 | Knee joint prosthesis |
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