CN203829097U - Rotary hinge type knee joint prosthesis - Google Patents
Rotary hinge type knee joint prosthesis Download PDFInfo
- Publication number
- CN203829097U CN203829097U CN201420272067.6U CN201420272067U CN203829097U CN 203829097 U CN203829097 U CN 203829097U CN 201420272067 U CN201420272067 U CN 201420272067U CN 203829097 U CN203829097 U CN 203829097U
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- tibia
- femur
- condyle
- prosthesis
- broach
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Classifications
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- 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
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
Abstract
The utility model relates to a rotary hinge type knee joint prosthesis. The rotary hinge type knee joint prosthesis comprises a thighbone prosthesis and a tibia prosthesis, the thighbone prosthesis comprises a femoral nail, a femoral condyle and an extension rod for connecting the femoral nail with the femoral condyle, and two condyles of the femoral condyle are provided with shaft sleeve holes along the coronal plane direction; the tibia prosthesis comprises a tibial nail, a tibial support and a tibial pad, the tibial support is provided with a slotted hole, a hollow upright post bush is arranged in the slotted hole, and the tibial pad is provided with a sleeve hole; the femoral condyle is connected with the tibial support through a rotary connecting component to connect the thighbone prosthesis with the tibia prosthesis into a single unit. The connecting component comprises a pin shaft component and a rotary platform; a shaft hole is formed in the connecting upright post of the rotary platform along the coronal plane direction, an upright shaft passes through the sleeve hole to enter the tibial pad in a sleeve mode, and the end of the upright shaft is inserted in the upright post bush in the slotted hole; the pin shaft component enters the shaft sleeve hole and the shaft hole to enable the femoral condyle to rotate on the tibial pad around the pin shaft. The rotary hinge type knee joint prosthesis is featured with simple structure, good fixing effect and high long-term use stability.
Description
Technical field
This utility model relates to a kind of knee-joint prosthesis, particularly a kind of rotary hinge type knee-joint prosthesis.
Background technology
Conventional and effective replacement knee in arthroplasty multiselect rotary hinge type knee-joint prosthesis, and Plasma-sprayed Titanium Coating or hydroxyapatite layer are carried out in each position that knee-joint prosthesis is contacted with bone, make this knee-joint prosthesis form the rough surface layer of micropore, be beneficial to growing into of osteocyte.At present, this kind of knee-joint prosthesis is widely used in joint replacement surgery, and realized biocompatibility good between knee-joint prosthesis and sclerotin and corrosion resistance.Yet the most more complicated of rotary gemel mode of prior art, assembles by too much screw element, prosthese weight is large, uses dumbly, in life-time service, occurs too much unstable factor.
Patent CN101584615 discloses a kind of new axial center type knee joint prosthesis; This knee-joint prosthesis has good biocompatibility.But the junction between rotation underaction, condyle of femur and the tibial prosthesis of its knee-joint prosthesis easily produces friction and collision; And in use, go back the problems such as existence and stability is poor, easy sinking.
As can be seen here, above-mentioned existing knee hinge joint prosthese is structurally upper with use, still has defect, is urgently further improved.
Utility model content
In order to solve the problems of the technologies described above, this utility model provides a kind of rotary hinge type knee-joint prosthesis, its simple in structure, good fixing effect, and have the advantages that life-time service stability is high.
The concrete technical scheme of this utility model is as follows:
This utility model provides a kind of rotary hinge type knee-joint prosthesis, and femoral prosthesis comprises the extension rod of femur broach, condyle of femur and the connection of inserting femoral bone cavitas medullaris.
Condyle of femur and people's condyle of femur anatomic construction matches, and condyle of femur comprises two condyle and two intercondylar fossas that condyle front limits that are dome shape; Described condyle is provided with axle sleeve hole along coronalplane direction, and axle sleeve hole runs through two condyles and passes through intercondylar fossa position.
Tibial prosthesis comprises tibia broach, the tibia support that connects described tibia broach and the tibia pad that inserts tibia pulp cavity; The centre of tibia support is provided with slotted eye, is provided with the column lining of hollow in this slotted eye; Tibia pad centre is provided with sleeve joint hole.
Between condyle of femur and tibia support, by rotatable coupling assembling, be connected, femoral prosthesis be connected in aggregates with tibial prosthesis.
Coupling assembling comprises Assembly of pin and rotation platform; Rotation platform is one-body molded by connecting column, platform and vertical shaft successively, connect column and be placed in intercondylar fossa position, and this connections column is provided with axis hole along coronalplane direction, vertical shaft is socketed tibia pad through sleeve joint hole, the column lining in slotted eye is inserted in the end of vertical shaft, and the rotatable tibia support that is fixed on.
Assembly of pin comprises a bearing pin and two axle sleeves, and axle sleeve is located in the axle sleeve hole of two condyles, and bearing pin penetrates axle sleeve hole and axis hole, makes condyle of femur take bearing pin as axle, on tibia pad, rotates.
Condyle of femur of the present utility model is by the connection of Assembly of pin, and articulated manner is simple, does not need too many screw element; There is good flexibility of revolution, can realize the spinfunction that human body knee joint has.
Further, in order to reduce friction and the collision between condyle of femur and tibia pad, connect column lower end and be connected with bumper; Bumper is located at the below of the rotary end surface of described condyle, and bumper lower end is located on platform, and upper end face is arcwall face, and matches with the medial arc face that two spheres of described condyle are connected to form.
Further, tibia support comprise tibial tray, for insert handle in the tibia marrow of proximal tibia pulp cavity and vertical with tibial tray and with tibia marrow in the anti-choma that intersects of handle.
The both sides of edges of tibial tray upper surface is provided with rectangular fixture block and front and back side is provided with hook fixture block.The both sides of edges of tibia pad lower surface is provided with the rectangular draw-in groove matching with rectangular fixture block and the trapezoidal draw-in groove matching with hook fixture block.Anti-choma is two, and the angle between both end faces is 160 °.
Further, in order to respond fast patient demand, the prefabricated different size of femoral prosthesis is standby, provide the femoral prosthesis of good stability, syllogic easy for installation to connect.Condyle of femur is the first blind hole with the first draw-in groove near the end of femoral bone cavitas medullaris; The end that extension rod connects condyle of femur is the first taper bolt with the first bayonet socket, the outer cone tapering coupling of the female cone of described the first blind hole and the first taper bolt, and the first draw-in groove and the first bayonet socket are embedded as one mutually.
The other end of extension rod is the second blind hole with the second draw-in groove.The end that femur broach connects extension rod is the second taper bolt with the second bayonet socket, the outer cone tapering coupling of the female cone of the second blind hole and the second taper bolt, and the second draw-in groove and the second bayonet socket are embedded as one mutually.
The near-end of femur broach is connected with middle-device.
Again further, in order to improve femur broach and sclerotin biocompatibility, improve rotational resistance, the body of rod of femur broach is provided with some oval grooves longitudinally; The body of rod of tibia broach is provided with some, and ridge is prominent longitudinally.
Further, the close end of femur broach is provided with the first opening; The distal portion of tibia broach is provided with the second opening.The afterbody of open type provides necessary elastic mechanism, inserts after pulp cavity, effectively reduces distal tibial and near end of thighbone splitting risk.
In order to improve the biocompatibility of prosthese and sclerotin, increase incipient stability; And provide good anti-sinking and rotational resistance.Scheme further, in tibia marrow, handle and/or extension rod are arranged with the first pipe box; In tibia marrow, the first pipe box thickness of handle reduces gradually to the far-end of tibia broach, and the first pipe box thickness of extension rod reduces gradually to condyle of femur direction; The surface of the first pipe box is provided with stair-stepping horizontal ridge.
Again further, in tibia marrow, on the periphery wall of handle and femur marrow needle distal, be arranged with the second pipe box, the surface of the second pipe box is provided with a plurality of oblique ridges.
Further, in the lower surface of tibia support, tibia marrow, handle and tibia broach have for inducing the titanium coating of bone cell growth.
Further, the high burnishing surface of condyle of femur, platform side and tibia support; Bumper and tibia pad are polythene material.
This is novel provides a kind of rotary hinge type knee-joint prosthesis.First, this knee-joint prosthesis chain connection mode is simply effective, and prosthetic material uses has good biocompatibility, and stablizing effect is good; Secondly, the design of this pipe box makes prosthese of the present utility model have good anti-sinking and anti-rotational resistance; The femoral prosthesis connected mode of syllogic, the prefabricated different size of femoral prosthesis is standby, good stability, advantage easy for installation are provided; The structure of this knee-joint prosthesis and the knee joint structure of human body are more approaching, meet human anatomy structure, have good revolving property, energy life-time service, and stability is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rotary hinge type knee-joint prosthesis of embodiment 1;
Fig. 2 is the explosive view of the rotary hinge type knee-joint prosthesis of embodiment 1;
Fig. 3 is the structural representation of the rotary hinge type knee-joint prosthesis of embodiment 2;
Fig. 4 is the structural representation of the rotary hinge type knee-joint prosthesis of embodiment 3;
Fig. 5 is the structural representation of the rotary hinge type knee-joint prosthesis of embodiment 4.
The specific embodiment
Embodiment 1
Fig. 1 and Fig. 2 show a kind of rotary hinge type knee-joint prosthesis of the present utility model, and knee-joint prosthesis comprises femoral prosthesis and tibial prosthesis.
Femoral prosthesis comprises femur broach 1, the condyle of femur 3 that inserts femoral bone cavitas medullaris and the extension rod 2 that is connected both; Condyle of femur 3 matches with people's condyle of femur anatomic construction, and condyle of femur 3 comprises two condyle 31 and two intercondylar fossas that condyle 31 fronts limit that are dome shape; Condyle 31 is provided with axle sleeve hole 32 along coronalplane direction, and axle sleeve hole 32 runs through described two condyles 31 and passes through intercondylar fossa position (not indicating in figure).
Tibial prosthesis comprises the tibia broach 7 of insertion tibia pulp cavity, tibia support 6 and the tibia pad 5 of connection tibia broach 7; The centre of tibia support 6 is provided with slotted eye 61, is provided with the column lining 10 of hollow in slotted eye 61; Tibia pad 5 centres are provided with sleeve joint hole 5.
Tibia support 6 comprise tibial tray 62, for insert handle 63 in the tibia marrow of proximal tibia pulp cavity and vertical with tibial tray 62 and with tibia marrow in the anti-choma 64 that intersects of handle 63.
The both sides of edges of tibial tray 63 upper surfaces is provided with rectangular fixture block 65 and front and back side is provided with hook fixture block 66; The both sides of edges of tibia pad 5 lower surfaces is provided with the rectangular draw-in groove 52 matching with rectangular fixture block 65 and the trapezoidal draw-in groove 53 matching with hook fixture block 66; Anti-choma 64 is two, and the angle between both end faces is 160 °.
Between condyle of femur 3 and tibia support 6, by rotatable coupling assembling, be connected, femoral prosthesis be connected in aggregates with tibial prosthesis.
Coupling assembling comprises Assembly of pin and rotation platform 41; Described rotation platform 41 is one-body molded by connecting column 410, platform 411 and vertical shaft 412 successively, connect column 410 and be placed in described intercondylar fossa position, and this connection column 410 is provided with axis hole 413 along coronalplane direction, described vertical shaft 412 is through sleeve joint hole 51 socket tibia pads 5, the column lining 10 in slotted eye 61 is inserted in the end of vertical shaft 412, and is rotatablely fixed on described tibia support 6.
Assembly of pin comprises a bearing pin 42 and two axle sleeves 43, and axle sleeve 43 is located in the axle sleeve hole 32 of described two condyles 31, and bearing pin 42 penetrates axle sleeve hole 32 and axis hole 413, makes condyle of femur 3 take bearing pin 42 as axle, rotation on tibia pad 5.
Connect column 410 lower ends and be connected with bumper 8; Bumper 8 is located at the below of the rotary end surface of condyle 31, and bumper 8 lower ends are located on platform 411, and upper end face is arcwall face 81, and matches with the medial arc face that two spheres of condyle 31 are connected to form.
Condyle of femur 3 is the first blind hole 33 with the first draw-in groove 34 near the end of femoral bone cavitas medullaris; The end that extension rod 2 connects condyle of femur 3 is that the first draw-in groove 34 and the first bayonet socket 24 are embedded as one mutually with the female cone of the first taper bolt 23, the first blind holes 33 of the first bayonet socket 24 and the outer cone tapering of the first taper bolt 23 coupling.
The other end of extension rod 2 is the second blind hole 21 with the second draw-in groove 22.The end that femur broach 1 connects extension rod 2 is that the second draw-in groove 22 and the second bayonet socket 12 are embedded as one mutually with the female cone of the second taper bolt 11, the second blind holes 21 of the second bayonet socket 12 and the outer cone tapering of described the second taper bolt 11 coupling; The near-end of femur broach 1 is connected with middle-device 9.
In order to improve femur broach and sclerotin biocompatibility, improve rotational resistance, the body of rod of femur broach 1 is provided with some oval grooves 13 longitudinally; The body of rod of tibia broach 7 is provided with some ridges prominent 71 longitudinally.
In the lower surface of described tibia support 6, tibia marrow, handle 63 and tibia broach 7 are provided with for inducing the titanium coating of bone cell growth.Condyle of femur 3, platform 411 sides and the high burnishing surface of tibia support 6; Bumper 8 and tibia pad 5 are polythene material.
Embodiment 2
Fig. 3 shows second embodiment of the present utility model, and as different from Example 1, the close end of femur broach 1 is provided with the first opening 14 to this rotary hinge type knee-joint prosthesis; The distal portion of tibia broach 7 is provided with the second opening 72.
Embodiment 3
Fig. 4 shows the third embodiment of the present utility model, and this rotary hinge type knee-joint prosthesis as different from Example 1, is all arranged with the first pipe box 101 on the handle body of handle 63 and/or extension rod 2 in tibia marrow.
In tibia marrow, the first pipe box 101 thickness of handle 63 reduce gradually to the far-end of tibia broach 7, and the first pipe box 101 thickness of extension rod 2 reduce gradually to condyle of femur 3 directions; The surface of described the first pipe box 101 is provided with stair-stepping horizontal ridge 102.
Embodiment 4
Fig. 5 shows the third embodiment of the present utility model, this rotary hinge type knee-joint prosthesis as different from Example 1, the surface that is arranged with the second pipe box 103, the second pipe boxes 103 in tibia marrow on the periphery wall of handle 63 and femur broach 1 far-end is provided with a plurality of oblique ridges 104.
The above embodiment is only that preferred implementation of the present utility model is described; not scope of the present utility model is limited; do not departing under the prerequisite of this utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of claims of the present utility model.
Claims (10)
1. a rotary hinge type knee-joint prosthesis, described knee-joint prosthesis comprises femoral prosthesis and tibial prosthesis, it is characterized in that,
Described femoral prosthesis comprises femur broach (1), the condyle of femur (3) that inserts femoral bone cavitas medullaris and the extension rod (2) that is connected both;
Described condyle of femur (3) matches with people's condyle of femur anatomic construction, and described condyle of femur (3) comprises that two are the condyle (31) of dome shape and the intercondylar fossa that described two condyles (31) front limits; Described condyle (31) is provided with axle sleeve hole (32) along coronalplane direction, and described axle sleeve hole (32) runs through described two condyles (31) and passes through intercondylar fossa position;
Described tibial prosthesis comprises tibia broach (7), the tibia support (6) that connects described tibia broach (7) and the tibia pad (5) that inserts tibia pulp cavity; The centre of described tibia support (6) is provided with slotted eye (61), is provided with the column lining (10) of hollow in described slotted eye (61); Described tibia pad (5) centre is provided with sleeve joint hole (51);
Between described condyle of femur (3) and described tibia support (6), by rotatable coupling assembling, be connected, described femoral prosthesis be connected in aggregates with tibial prosthesis;
Described coupling assembling comprises Assembly of pin and rotation platform (41); Described rotation platform (41) is one-body molded by connecting column (410), platform (411) and vertical shaft (412) successively, described connection column (410) is placed in described intercondylar fossa position, and this connection column (410) is provided with axis hole (413) along coronalplane direction, described vertical shaft (412) is through described sleeve joint hole (51) socket tibia pad (5), the column lining (10) in described slotted eye (61) is inserted in the end of described vertical shaft (412), and the rotatable described tibia support (6) that is fixed on;
Described Assembly of pin comprises a bearing pin (42) and two axle sleeves (43), described axle sleeve (43) is located in the axle sleeve hole (32) of described two condyles (31), described bearing pin (42) penetrates described axle sleeve hole (32) and axis hole (413), making described condyle of femur (3) take bearing pin (42) is axle, in the upper rotation of tibia pad (5).
2. rotary hinge type knee-joint prosthesis as claimed in claim 1, is characterized in that, described connection column (410) lower end is connected with bumper (8); Described bumper (8) is located at the below of the rotary end surface of described condyle (31), described bumper (8) lower end is located on platform (411), upper end face is arcwall face (81), and matches with the medial arc face that two spheres of described condyle (31) are connected to form.
3. rotary hinge type knee-joint prosthesis as claimed in claim 1, it is characterized in that, described tibia support (6) comprise tibial tray (62), for insert handle (63) in the tibia marrow of proximal tibia pulp cavity and vertical with described tibial tray (62) and with tibia marrow in the anti-choma (64) that intersects of handle (63);
The both sides of edges of described tibial tray (62) upper surface is provided with rectangular fixture block (65) and front and back side is provided with hook fixture block (66);
The both sides of edges of described tibia pad (5) lower surface is provided with the rectangular draw-in groove (52) matching with rectangular fixture block (65) and the trapezoidal draw-in groove (53) matching with hook fixture block (66);
Described anti-choma (64) is two, and the angle between both end faces is 160 °.
4. rotary hinge type knee-joint prosthesis as claimed in claim 1, is characterized in that, described condyle of femur (3) is the first blind hole (33) with the first draw-in groove (34) near the end of femoral bone cavitas medullaris;
The end that described extension rod (2) connects condyle of femur (3) is the first taper bolt (23) with the first bayonet socket (24), the outer cone tapering coupling of the female cone of described the first blind hole (33) and described the first taper bolt (23), described the first draw-in groove (34) is embedded as one mutually with the first bayonet socket (24);
The other end of described extension rod (2) is the second blind hole (21) with the second draw-in groove (22);
The end that described femur broach (1) connects extension rod (2) is the second taper bolt (11) with the second bayonet socket (12), the outer cone tapering coupling of the female cone of described the second blind hole (21) and described the second taper bolt (11), described the second draw-in groove (22) is embedded as one mutually with the second bayonet socket (12);
The near-end of described femur broach (1) is connected with middle-device (9).
5. rotary hinge type knee-joint prosthesis as claimed in claim 1, is characterized in that, the body of rod of described femur broach (1) is provided with some oval grooves (13) longitudinally;
The body of rod of described tibia broach (7) is provided with some ridges prominent (71) longitudinally.
6. rotary hinge type knee-joint prosthesis as claimed in claim 5, is characterized in that, the close end of described femur broach (1) is provided with the first opening (14); The distal portion of described tibia broach (7) is provided with the second opening (72).
7. rotary hinge type knee-joint prosthesis as claimed in claim 4, is characterized in that, in described tibia marrow, on the handle body of handle (63) and/or extension rod (2), is all arranged with the first pipe box (101);
In described tibia marrow, the first pipe box (101) thickness of handle (63) reduces gradually to the far-end of tibia broach (7), and the first pipe box (101) thickness of described extension rod (2) reduces gradually to condyle of femur (3) direction; The surface of described the first pipe box (101) is provided with stair-stepping horizontal ridge (102).
8. rotary hinge type knee-joint prosthesis as claimed in claim 4, it is characterized in that, in described tibia marrow, on the periphery wall of handle (63) and femur broach (1) far-end, be arranged with the second pipe box (103), the surface of described the second pipe box (103) is provided with a plurality of oblique ridges (104).
9. rotary hinge type knee-joint prosthesis as claimed in claim 1, is characterized in that, in the lower surface of described tibia support (6), tibia marrow, handle (63) and tibia broach (7) are provided with for inducing the titanium coating of bone cell growth.
10. rotary hinge type knee-joint prosthesis as claimed in claim 2, is characterized in that, described condyle of femur (3), platform (411) side and the high burnishing surface of tibia support (6);
Described bumper (8) and tibia pad (5) are polythene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420272067.6U CN203829097U (en) | 2014-05-26 | 2014-05-26 | Rotary hinge type knee joint prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420272067.6U CN203829097U (en) | 2014-05-26 | 2014-05-26 | Rotary hinge type knee joint prosthesis |
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| CN203829097U true CN203829097U (en) | 2014-09-17 |
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| CN201420272067.6U Active CN203829097U (en) | 2014-05-26 | 2014-05-26 | Rotary hinge type knee joint prosthesis |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104921796A (en) * | 2015-07-08 | 2015-09-23 | 西安交通大学 | Tumor type knee joint prosthesis intramedullary needle |
| CN104997575A (en) * | 2015-08-11 | 2015-10-28 | 嘉思特华剑医疗器材(天津)有限公司 | Femur prosthesis assembly system suitable for different types of femur malformation and defects |
| CN104997576A (en) * | 2015-08-11 | 2015-10-28 | 嘉思特华剑医疗器材(天津)有限公司 | Mixed knee-joint prosthesis system |
| CN105105887A (en) * | 2015-08-11 | 2015-12-02 | 嘉思特华剑医疗器材(天津)有限公司 | Tibial prosthesis building system suitable for different types of tibial malformations and defects |
| CN107647945A (en) * | 2017-10-16 | 2018-02-02 | 北京爱康宜诚医疗器材有限公司 | Elbow joint prosthese |
| CN112057131A (en) * | 2020-08-24 | 2020-12-11 | 谭新宇 | Tibia intramedullary rotating reamer system replacing transverse bone moving |
| CN112618114A (en) * | 2020-11-27 | 2021-04-09 | 北京市春立正达医疗器械股份有限公司 | Tantalum metal trabecular femoral condyle prosthesis and knee joint replacement body |
| CN112842631A (en) * | 2020-12-31 | 2021-05-28 | 上海晟实医疗器械科技有限公司 | 3D prints full knee joint prosthesis of thighbone intramedullary nail |
| CN113616389A (en) * | 2021-09-08 | 2021-11-09 | 河北春立航诺新材料科技有限公司 | Compression type prestress femoral prosthesis |
-
2014
- 2014-05-26 CN CN201420272067.6U patent/CN203829097U/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104921796A (en) * | 2015-07-08 | 2015-09-23 | 西安交通大学 | Tumor type knee joint prosthesis intramedullary needle |
| CN105105887B (en) * | 2015-08-11 | 2019-02-12 | 嘉思特华剑医疗器材(天津)有限公司 | Tibial prosthesis building system suitable for different types of tibial malformations and defects |
| CN104997576A (en) * | 2015-08-11 | 2015-10-28 | 嘉思特华剑医疗器材(天津)有限公司 | Mixed knee-joint prosthesis system |
| CN105105887A (en) * | 2015-08-11 | 2015-12-02 | 嘉思特华剑医疗器材(天津)有限公司 | Tibial prosthesis building system suitable for different types of tibial malformations and defects |
| CN104997575B (en) * | 2015-08-11 | 2019-02-12 | 嘉思特华剑医疗器材(天津)有限公司 | A kind of femoral prosthesis establishment system adapting to different type femur deformity and defect |
| CN104997575A (en) * | 2015-08-11 | 2015-10-28 | 嘉思特华剑医疗器材(天津)有限公司 | Femur prosthesis assembly system suitable for different types of femur malformation and defects |
| CN107647945A (en) * | 2017-10-16 | 2018-02-02 | 北京爱康宜诚医疗器材有限公司 | Elbow joint prosthese |
| CN107647945B (en) * | 2017-10-16 | 2023-08-01 | 北京爱康宜诚医疗器材有限公司 | Elbow joint prosthesis |
| CN112057131A (en) * | 2020-08-24 | 2020-12-11 | 谭新宇 | Tibia intramedullary rotating reamer system replacing transverse bone moving |
| CN112057131B (en) * | 2020-08-24 | 2023-08-01 | 谭新宇 | Tibia intramedullary rotary reamer system for replacing transverse bone movement |
| CN112618114A (en) * | 2020-11-27 | 2021-04-09 | 北京市春立正达医疗器械股份有限公司 | Tantalum metal trabecular femoral condyle prosthesis and knee joint replacement body |
| CN112842631A (en) * | 2020-12-31 | 2021-05-28 | 上海晟实医疗器械科技有限公司 | 3D prints full knee joint prosthesis of thighbone intramedullary nail |
| CN113616389A (en) * | 2021-09-08 | 2021-11-09 | 河北春立航诺新材料科技有限公司 | Compression type prestress femoral prosthesis |
| CN113616389B (en) * | 2021-09-08 | 2024-03-26 | 河北春立航诺新材料科技有限公司 | Compression type prestress femur prosthesis |
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