CN107616860A - Split type tibia support prosthese and artificial knee joint - Google Patents
Split type tibia support prosthese and artificial knee joint Download PDFInfo
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- CN107616860A CN107616860A CN201711099278.9A CN201711099278A CN107616860A CN 107616860 A CN107616860 A CN 107616860A CN 201711099278 A CN201711099278 A CN 201711099278A CN 107616860 A CN107616860 A CN 107616860A
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Abstract
The present invention relates to technical field of medical instruments, more particularly to a kind of split type tibia support prosthese and artificial knee joint.The split type tibia support prosthese includes tibial base and shin bone keel；The shin bone keel include keel platform and the keel post being fixedly connected with the keel platform；The tibial base includes base platform, and the base platform is provided with pedestal keel hole corresponding with the keel platform；The pedestal keel hole is through hole；The keel platform passes through the pedestal keel hole and the dismantled and assembled connection of the base platform.The artificial knee joint includes described split type tibia support prosthese.It is an object of the invention to provide split type tibia support prosthese and artificial knee joint, the step of can save the stock of shin bone die trial in surgical kit, and surgical operation can be reduced.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly to a kind of split type tibia support prosthese and artificial knee joint.
Background technology
Artificial knee joint prosthesis is implanted in human body through knee prosthesis is postoperative, and its effect is to recover human normal
Physiological function.In total knee replacement, the processing step of general tibial side is：1st, proximal tibia osteotomy is carried out；2nd, exist
Proximal tibia installs shin bone die trial；3rd, keel osteotome through the keel hole of shin bone die trial and enters in the shin bone of human body, so that shin
Bone keel are molded；4th, keel osteotome and shin bone die trial are withdrawn from from shin bone；5th, tibia support prosthese is installed in proximal tibia.
Wherein, for the structural representation of existing tibia support prosthese referring to Fig. 1, the tibia support prosthese 1 shown in figure includes shin
Bone pedestal 11 and the shin bone keel 12 being fixedly connected with tibial base 11；The structural representation of existing shin bone die trial referring to Fig. 2,
Shin bone die trial 2 shown in figure includes die trial keel hole 21.
The processing mode of above-mentioned tibial side is processing mode most conventional at present, and essentially all of producer and doctor exist always
Continue to use.Using such processing mode, it is necessary to which the shin bone die trial that producer prepares the whole series is placed in surgical kit, then prepare again
The corresponding artificial knee joint prosthesis such as tibia support prosthese and lateral femoral condyle prosthesis.In addition, doctor operation when, it is necessary to first install shin bone
Die trial, shin bone die trial being removed again after the shaping of shin bone keel, tibia support prosthese being installed again afterwards, surgical operation step is complicated.
Therefore, the application provides a kind of new split type tibia support prosthese and artificial knee joint regarding to the issue above, with energy
The step of enough saving the stock of shin bone die trial in surgical kit, and surgical operation can be reduced.
The content of the invention
It is an object of the invention to provide split type tibia support prosthese, so that shin bone die trial in surgical kit can be saved
The step of getting ready the goods, and surgical operation can be reduced.
The present invention also aims to provide artificial knee joint, so that the standby of shin bone die trial in surgical kit can be saved
Goods, and the step of surgical operation can be reduced.
Based on above-mentioned first purpose, split type tibia support prosthese provided by the invention, including tibial base and shin bone keel；
The shin bone keel include keel platform and the keel post being fixedly connected with the keel platform；
The tibial base includes base platform, and the base platform is provided with pedestal dragon corresponding with the keel platform
Bone hole；The pedestal keel hole is through hole；
The keel platform passes through the pedestal keel hole and the dismantled and assembled connection of the base platform.
The optional technical scheme of the present invention is that the base platform is fixedly installed limited step；
The limited step is arranged in the pedestal keel hole, and the limited step and the base platform are away from institute
The one side for stating keel post has distance；
One side and the limited step dismantled and assembled connection of the keel platform close to the keel post.
The optional technical scheme of the present invention is that the keel platform is provided with least one keel connection through hole, screw, pin
Nail or key are connected through keel connection through hole with the limited step.
The optional technical scheme of the present invention is that the tibial base includes what is be fixedly connected with the periphery of the base platform
Flange；The flange is arranged at one side of the base platform away from the keel post；
The flange is provided with least one flange connection through hole, and screw, pin or key are logical through flange connection
Hole is connected with the keel platform.
The optional technical scheme of the present invention is that the keel platform and at least a portion mating surface of the base platform are adopted
Use taper fit.
The optional technical scheme of the present invention is that the taper is Morse's taper, or the taper is 0.5 degree of -5 degree.
The optional technical scheme of the present invention be the use of the keel platform and the base platform is threadedly coupled, pin connection,
The one or more that key connection, clamping and taper fit connect.
The optional technical scheme of the present invention is one side of the keel platform away from the keel post and the base platform
One side away from the keel post flushes.
The optional technical scheme of the present invention is that the keel platform is connected with the base platform using interference fit.
Based on above-mentioned second purpose, artificial knee joint provided by the invention, including described split type tibia support prosthese.
Beneficial effects of the present invention：
Split type tibia support prosthese provided by the invention, including tibial base and shin bone keel, by tibial base
Base platform sets pedestal keel hole, so that tibial base can have the function of shin bone die trial；Pass through keel platform and pedestal
The dismantled and assembled connection of platform, so that shin bone keel and the dismantled and assembled connection of tibial base, so that split type tibia support prosthese realizes shin bone
The conversion of die trial and two kinds of functional roles of tibia support prosthese, i.e. tibial base can replace existing shin bone die trial, tibial base with
Shin bone keel connect to form tibia support prosthese, save the stock of shin bone die trial in surgical kit；In addition in operation, shin bone
Tibial base need not be removed after keel shaping, directly can be assembled shin bone keel with tibial base, to a certain degree
On the step of reducing surgical operation, reduce operating time.
Artificial knee joint provided by the invention, by keel platform and the dismantled and assembled connection of base platform, so that split type shin
Bone support prosthese can realize the conversion of shin bone die trial and two kinds of functional roles of tibia support prosthese, i.e. tibial base can replace existing
Shin bone die trial, tibial base connect to form tibia support prosthese with shin bone keel, save the standby of shin bone die trial in surgical kit
Goods；Directly shin bone keel can also be assembled with tibial base after the shaping of shin bone keel in operation, to a certain extent
The step of reducing surgical operation, reduce operating time.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of existing tibia support prosthese；
Fig. 2 is the structural representation of existing shin bone die trial；
Fig. 3-1 is the explosive view for the split type tibia support prosthese that the embodiment of the present invention one provides；
Fig. 3-2 is the first angle structural representation for the split type tibia support prosthese that the embodiment of the present invention one provides；
Fig. 3-3 is the second angle structural representation for the split type tibia support prosthese that the embodiment of the present invention one provides；
Fig. 3-4 is the A-A of the split type tibia support prosthese shown in Fig. 3-3 to sectional view；
Fig. 3-5 is the top view of the split type tibia support prosthese shown in Fig. 3-3；
Fig. 4-1 is the first angle structural representation for the tibial base that the embodiment of the present invention one provides；
Fig. 4-2 is the second angle structural representation for the tibial base that the embodiment of the present invention one provides；
Fig. 4-3 is the top view of the tibial base shown in Fig. 4-2；
Fig. 4-4 is the B-B direction sectional view of the tibial base shown in Fig. 4-2；
Fig. 4-5 is the C areas enlarged drawing of the tibial base shown in Fig. 4-4；
Fig. 5-1 is the first angle structural representation for the shin bone keel that the embodiment of the present invention one provides；
Fig. 5-2 is the second angle structural representation for the shin bone keel that the embodiment of the present invention one provides；
Fig. 5-3 is the D-D of the shin bone keel shown in Fig. 5-2 to sectional view；
Fig. 5-4 is the top view of the shin bone keel shown in Fig. 5-2；
Fig. 5-5 is the E areas enlarged drawing of the shin bone keel shown in Fig. 5-4.
Icon：1- tibia support prostheses；11- tibial bases；12- shin bone keel；2- shin bone die trials；21- die trial keel hole；
100- tibial bases；110- base platforms；111- pedestal keel hole；112- limited steps；120- flanges；121- is convex
Edge connects through hole；200- shin bone keel；210- keel platforms；211- keel connect through hole；220- keel posts.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Embodiment one
Referring to shown in Fig. 3-1 to Fig. 5-5, present embodiments providing a kind of split type tibia support prosthese；Fig. 3-1 to Fig. 3-5
The structural representation of the split type tibia support prosthese provided for the present embodiment；Fig. 4-1 to Fig. 4-5 is the shin bone that the present embodiment provides
The structural representation of pedestal；Fig. 5-1 to Fig. 5-5 is the degree structural representation for the shin bone keel that the present embodiment provides.
Referring to shown in Fig. 3-1 to Fig. 5-5, split type tibia support prosthese (abbreviation tibia support prosthese) that the present embodiment provides,
Applied to tibial prosthesis, artificial knee joint, including tibial base 100 and shin bone keel 200 are also applied to；
Shin bone keel 200 include keel platform 210 and the keel post 220 being fixedly connected with keel platform 210；Keel post
220 are used to be fixedly connected with the shin bone of human body, so that tibia support prosthese is fixedly connected with the shin bone of human body.
Tibial base 100 includes base platform 110, and base platform 110 is provided with and 210 corresponding pedestal of keel platform dragon
Bone hole 111；Pedestal keel hole 111 is through hole.
Keel platform 210 is by pedestal keel hole 111 and 110 dismantled and assembled connection of base platform, so that the He of shin bone keel 200
100 dismantled and assembled connection of tibial base.
Split type tibia support prosthese described in the present embodiment, including tibial base 100 and shin bone keel 200, by shin
The base platform 110 of bone pedestal 100 sets pedestal keel hole 111, so that tibial base 100 can have the work(of shin bone die trial
Energy；By keel platform 210 and 110 dismantled and assembled connection of base platform, so that shin bone keel 200 and tibial base 100 are dismantled and assembled
Connection, so that split type tibia support prosthese realizes the conversion of shin bone die trial and two kinds of functional roles of tibia support prosthese, i.e. shin bone base
Seat 100 can replace existing shin bone die trial, and tibial base 100 and the connection of shin bone keel 200 form tibia support prosthese, save hand
The stock of shin bone die trial in art tool box；In addition in operation, shin bone keel 200 need not remove tibial base 100 after being molded,
Directly shin bone keel 200 and tibial base 100 can be assembled, reduce the step of surgical operation to a certain extent
Suddenly, operating time is reduced.
Split type tibia support prosthese described in the present embodiment, using tibial base 100 and shin bone keel 200 are split type sets
Meter, its processing step of tibial side in total knee replacement are：
1st, proximal tibia osteotomy is carried out；
2nd, tibial base 100 is installed in proximal tibia, to replace existing shin bone die trial；
3rd, keel osteotome through the pedestal keel hole 111 of tibial base 100 and enters in the shin bone of human body, so that human body shin
The hole position shaping of installation keel post 220 in bone；
4th, keel osteotome is withdrawn from from shin bone, in proximal tibia installation shin bone keel 200, makes keel post 220 be fit into
Default hole position in human tibia, and shin bone keel 200 are assembled with tibial base 100 to form tibia support prosthese.
By split type tibia support prosthese, it can make not having to prepare shin bone die trial again in surgical kit, save operation
The stock of shin bone die trial in tool box, the equipment cost of total knee replacement is reduced to a certain extent；In operation,
Shin bone die trial need not be removed from the shin bone of human body, directly be assembled shin bone keel 200 and tibial base 100, certain
The step of surgical operation is reduced in degree, reduces operating time.
In the alternative of the present embodiment, keel platform 210 is connected with base platform 110 using interference fit；It is so that imperial
Bone platform 210 is connected more firm with base platform 110, so that tibia support prosthese is more stable when in use by patient.
In the alternative of the present embodiment, one side of the keel platform 210 away from keel post 220 and base platform 110 are remote
The one side of keel post 220 flushes；To improve keel platform 210 and the flat surface that base platform 110 is formed and shin bone pad prosthese
Fitness, so as to improve the fitness of tibia support prosthese and shin bone pad prosthese, and then improve tibia support prosthese and shin
The stability for the tibial prosthesis structure that bone pad prosthese is formed.
In the alternative of the present embodiment, keel platform 210 is threadedly coupled with the use of base platform 110, pin connection, key connect
Connect, the one or more that clamping connects with taper fit.
Alternatively, for keel platform 210 with base platform 110 using being threadedly coupled, screw thread nominal diameter size is M1-M10,
Such as nominal diameter is the one or more in M1, M2, M3, M4, M6.Alternatively, the quantity of screw is no more than 6.Enter one
Step ground, the quantity of screw are no more than 4.
Alternatively, keel platform 210 is used with base platform 110 and snapped connection；Such as keel platform 210 is provided with neck
Or it is raised, base platform 110 be provided with the neck either raised projection being engaged or neck, by tapping or pressing
Keel platform 210 is connected in base platform 110 etc. mode.
Alternatively, the side that keel platform 210 is coordinated with base platform 110 using slight interference cylindrical conformation or other shapes
Formula, keel platform 210 is connected in base platform 110 by the mode such as tapping or pressing.
Alternatively, keel platform 210 and at least a portion mating surface of base platform 110 use taper fit；Alternatively,
Keel platform 210 and the mating surface of base platform 110 use taper fit；By taper fit so that keel platform 210 with
The fit precision of base platform 110 is higher.Alternatively, taper is Morse's taper, or taper is 0.5 degree of -5 degree.By using
Morse's taper uses taper as 0.5 degree of -5 degree, further to improve keel platform 210 and the cooperation essence of base platform 110
Degree.
Alternatively, keel platform 210 and at least a portion mating surface of base platform 110 use taper fit, and keel are put down
Platform 210 is used with base platform 110 and is threadedly coupled；In one side of the keel platform 210 away from keel post 220 and base platform 110
After one side assembling away from keel post 220 flushes, then the company reinforced using screw between keel platform 210 and base platform 110
Connect, so that the connection between tibial base 100 and shin bone keel 200 is more firmly and stably.
Connected mode between the keel platform 210 of the present embodiment and base platform 110, which can also use, to be threadedly coupled, blocks
Connect and connected with taper fit, or, connected using pin connection, clamping with taper fit, or, using threaded connection and clamping etc.
Deng other connected modes can also be used.
Referring to shown in Fig. 3-1 to Fig. 5-5, in the alternative of the present embodiment, base platform 110 is fixedly installed limiting stand
Rank 112.
Limited step 112 is arranged in pedestal keel hole 111, and limited step 112 and base platform 110 are away from keel post
220 one side has distance.
One side and limited step 112 dismantled and assembled connection of the keel platform 210 close to keel post 220.Pass through limited step
112, in order to which keel platform 210 and base platform 110 coordinate assembling, to improve keel platform 210 and base to a certain extent
The fitness of seat platform 110, and then the stability of tibia support prosthese can be improved.
Alternatively, the distance of limited step 112 and one side of the base platform 110 away from keel post 220, is equal to and limiting stand
The thickness for the part of keel platform 210 that rank 112 coordinates；So that one side and base platform of the keel platform 210 away from keel post 220
110 one sides away from keel post 220 flush.
Alternatively, limited step 112 close to keel post 220 with base platform 110 close to keel post 220 while
Flush.
In the alternative of the present embodiment, keel platform 210 is provided with least one keel connection through hole 211, screw, pin
Nail or key are connected through keel connection through hole 211 with limited step 112, so that keel platform 210 is fixed with limited step 112
Connection, and then shin bone keel 200 is fixedly connected with tibial base 100.
Alternatively, screwed hole is provided with limited step 112, screw connects through hole 211 and limited step 112 through keel
It is spirally connected.
Alternatively, the quantity of keel connection through hole 211 is 1-6；For example, keel connection through hole 211 quantity for 2,3
It is individual or 4 etc..
In the alternative of the present embodiment, tibial base 100 includes the flange being fixedly connected with the periphery of base platform 110
120；Flange 120 is arranged at one side of the base platform 110 away from keel post 220；Alternatively, flange 120 is in a ring.
Flange 120 is provided with least one flange connection through hole 121, and screw, pin or key connect through hole through flange
121 are connected with keel platform 210 so that keel platform 210 is fixedly connected with base platform 110, and then make shin bone keel 200 with
Tibial base 100 is fixedly connected.
Alternatively, screwed hole is provided with keel platform 210, screw connects through hole 121 and keel platform 210 through flange
It is spirally connected.
Alternatively, the quantity of flange connection through hole 121 is 1-4；For example, flange connection through hole 121 quantity for 1,2
It is individual or 3 etc..
Alternatively, flange 120 includes leading edge and trailing edge, and trailing edge includes left back edge and right trailing edge, left back edge and right trailing edge it
Between formed trailing edge groove；The quantity of flange connection through hole 121 is 1, and the aperture of 1 flange connection through hole 121 is towards rear emargination
Groove.
Embodiment two
Embodiment two provides a kind of artificial knee joint, and the split type tibia support that the embodiment is included described in embodiment one is false
Body, the technical characteristic of the split type tibia support prosthese disclosed in embodiment one are also applied for the embodiment, and embodiment one is disclosed
The technical characteristic of split type tibia support prosthese be not repeated to describe.
The artificial knee joint that the present embodiment provides, including split type tibia support prosthese, in addition to shin bone pad prosthese and stock
Bone condyle prosthese.Split type tibia support prosthese cooperatively forms tibial prosthesis with shin bone pad prosthese；Tibial prosthesis with it is false with condyle of femur
Body is connected.By keel platform and the dismantled and assembled connection of base platform, so that split type tibia support prosthese can realize shin bone
The conversion of die trial and two kinds of functional roles of tibia support prosthese, i.e. tibial base can replace existing shin bone die trial, tibial base with
Shin bone keel connect to form tibia support prosthese, save the stock of shin bone die trial in surgical kit；Can also in operation shin
Directly shin bone keel are assembled with tibial base after the shaping of bone keel, reduce surgical operation to a certain extent
Step, reduce operating time.
Artificial knee joint described in the present embodiment has the advantages of split type tibia support prosthese described in embodiment one, embodiment
The advantages of split type tibia support prosthese disclosed in one, is not repeated to describe herein.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of split type tibia support prosthese, it is characterised in that including tibial base and shin bone keel；
The shin bone keel include keel platform and the keel post being fixedly connected with the keel platform；
The tibial base includes base platform, and the base platform is provided with pedestal keel corresponding with the keel platform
Hole；The pedestal keel hole is through hole；
The keel platform passes through the pedestal keel hole and the dismantled and assembled connection of the base platform.
2. split type tibia support prosthese according to claim 1, it is characterised in that the base platform fixed setting is limited
Position step；
The limited step is arranged in the pedestal keel hole, and the limited step and the base platform are away from the dragon
The one side of bone post has distance；
One side and the limited step dismantled and assembled connection of the keel platform close to the keel post.
3. split type tibia support prosthese according to claim 2, it is characterised in that the keel platform is provided with least one
Individual keel connect through hole, and screw, pin or key are connected through keel connection through hole with the limited step.
4. split type tibia support prosthese according to claim 2, it is characterised in that the tibial base includes and the base
The flange that the periphery of seat platform is fixedly connected；The flange is arranged at one side of the base platform away from the keel post；
The flange is provided with least one flange connection through hole, screw, pin or key through flange connection through hole with
The keel platform connection.
5. split type tibia support prosthese according to claim 1, it is characterised in that the keel platform is put down with the pedestal
At least a portion mating surface of platform uses taper fit.
6. split type tibia support prosthese according to claim 5, it is characterised in that the taper is Morse's taper, or
The taper is 0.5 degree of -5 degree.
7. split type tibia support prosthese according to claim 1, it is characterised in that the keel platform is put down with the pedestal
The one or more that platform is connected using threaded connection, pin connection, key connection, clamping with taper fit.
8. split type tibia support prosthese according to claim 1, it is characterised in that the keel platform is away from the keel
Post with the base platform away from the keel post while flush.
9. split type tibia support prosthese according to claim 1, it is characterised in that the keel platform is put down with the pedestal
Platform is connected using interference fit.
10. a kind of artificial knee joint, it is characterised in that including the split type tibia support prosthese described in claim any one of 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711099278.9A CN107616860A (en) | 2017-11-09 | 2017-11-09 | Split type tibia support prosthese and artificial knee joint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711099278.9A CN107616860A (en) | 2017-11-09 | 2017-11-09 | Split type tibia support prosthese and artificial knee joint |
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| CN109567987A (en) * | 2019-02-01 | 2019-04-05 | 北京爱康宜诚医疗器材有限公司 | Single condyle knee-joint prosthesis |
| CN110772359A (en) * | 2019-10-15 | 2020-02-11 | 佛山市第一人民医院（中山大学附属佛山医院） | Manufacturing method of joint prosthesis and manufacturing method of test mold thereof |
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| CN110772359A (en) * | 2019-10-15 | 2020-02-11 | 佛山市第一人民医院（中山大学附属佛山医院） | Manufacturing method of joint prosthesis and manufacturing method of test mold thereof |
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