CN104783933B - Tibial plateau assembly - Google Patents
Tibial plateau assembly Download PDFInfo
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- CN104783933B CN104783933B CN201510233275.4A CN201510233275A CN104783933B CN 104783933 B CN104783933 B CN 104783933B CN 201510233275 A CN201510233275 A CN 201510233275A CN 104783933 B CN104783933 B CN 104783933B
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Abstract
The invention provides a tibial plateau assembly which comprises a plateau body (10) and a supporting portion (30) connected below the plateau body (10). The plateau body (10) is provided with a first mounting through hole (11) allowing the supporting portion (30) to penetrate through. The tibial plateau assembly further comprises a repair portion (20) connected below the plateau body (10). The repair portion (20) is provided with a second mounting through hole (21). The supporting portion (30) is arranged in the second mounting through hole (21) in a penetrating mode. The upper portion of the supporting portion (30) is provided with a tool matching portion (40). The supporting portion (30) is provided with a connection segment (31) connected with the second mounting through hole (21). The tool matching portion (40) is located above the connection segment (31). By means of the technical scheme, the problems that in the prior art, a thread segment on an intramedullary rod of a tibial plateau is damaged easily and cannot be taken out conveniently are solved effectively.
Description
Technical field
The present invention relates to technical field of medical instruments, in particular to a kind of tibial plateau assembly.
Background technology
Knee joint is one of important joint of human body lower limbs, and meanwhile, gonarthrosiss are also common complaint among the elderly, multiple
Disease, one of its concrete manifestation is the abrasion of articular cartilage or regression can lead to arthralgia.
During treatment gonarthrosiss, the most frequently used is exactly the surface replacement art in knee replacements.Specifically,
The cartilage of abrasion on kneed femur and tibia and subchondral bone are reamed a thin layer, forms osteotomy surface, then by cobalt chrome molybdenum
The metal of alloy implants prosthese by way of directly fixing or the mode of cement reaction is fixed on this osteotomy surface, thus
Substitute the joint sclerotin of abrasion.In above-mentioned implantation prosthese, the part for substituting femur side seam matter is referred to as condyle of femur, for replacing
Part for tibial side sclerotin is referred to as tibial plateau, is lined with polyethylene pads between condyle of femur and tibial plateau, thus playing reduction
Friction, the effect of recovery knee joint function.
At present, in existing tibial plateau part, between main platform body and setting im rod thereunder, pass through spiral shell
Stricture of vagina is directly connected to.When implantation Prothesis failure needs to overhaul, first implantation prosthese is taken out.However, in the presence of external force, putting down
Connection between platform main body and im rod was easily lost efficacy, and main platform body will be mutually disengaged with im rod, now, spiral shell in im rod
Stricture of vagina section can be damaged.Once there is the phenomenon that above-mentioned thread segment damages, conventional instrument of overhauling will be unable to be directly connected to im rod
Go up and be drawn off.In these cases, using other specific purpose tools, im rod can only be taken out, operation is complex, time-consuming
Arduously.
Content of the invention
Present invention is primarily targeted at providing a kind of tibial plateau assembly, to solve the marrow of tibial plateau in prior art
Thread segment in interior bar is easily damaged, the problem that inconvenience is taken out.
To achieve these goals, the invention provides a kind of tibial plateau assembly, including main platform body be connected to flat
Supporting part below platform main body, main platform body has the first installation through-hole for wearing supporting part, tibial plateau assembly is also
Including the reparation portion being connected to below main platform body, reparation portion has the second installation through-hole, and supporting part is located in the second installation and leads to
In the hole, and the top of supporting part is provided with instrument auxiliary section, and supporting part has the linkage section being connected with the second installation through-hole, work
Tool matching part is in the top of linkage section.
Further, reparation portion includes filling part and the connecting portion below filling part, and the second installation through-hole is arranged on
On connecting portion, between instrument auxiliary section and the inner circumferential wall of filling part and/or between the hole wall of the first installation through-hole, there is receiving
Gap.
Further, filling part has the implantation skeleton accommodating chamber connecting with the second installation through-hole.
Further, the circumferential side wall of filling part has reparation through hole.
Further, filling part position is selectively attached to the lower section of main platform body.
Further, main platform body is circumferentially provided with multiple location holes along the first installation through-hole, filling part has
Locating convex block with location hole cooperation.
Further, locating convex block is two, and two locating convex blocks are arranged with respect to the axisymmetrical of filling part.
Further, the cross section of filling part is ellipse.
Further, two locating convex blocks are positioned at the two ends of the major axis of oval cross section of filling part.
Further, the second installation through-hole is conical bore, and the cross-sectional area of conical bore is from top to bottom gradually reduced, linkage section
There is the taper seat with conical bore cooperation.
Further, instrument auxiliary section includes external screw thread.
Application technical scheme, sets up reparation portion in the lower section of main platform body, and has the in main platform body
One installation through-hole, reparation portion has the second installation through-hole.Supporting part is located in above-mentioned first installation through-hole and the second installation through-hole
Interior.Meanwhile, supporting part is had the linkage section being connected with the second installation through-hole and is located at the instrument auxiliary section above linkage section.?
The linkage section of support part coordinates with the second installation through-hole so that supporting part is linked together with reparation portion, and then supporting part passes through to repair
Portion is linked together with main platform body.Because instrument auxiliary section is not connected with any part, do not affected by external force, and then be not easy
Damage.When implantation Prothesis failure needs to overhaul, instrument of overhauling is fixed with the cooperation of instrument auxiliary section, then will be supported by instrument
Portion takes out, or supporting part and connected reparation portion is taken out in the lump or by supporting part, reparation portion and platform master
Body takes out in the lump.The instrument auxiliary section that above-mentioned tibial plateau assembly can be effectively prevented on tibial plateau supporting part is damaged, and makes
The taking-up of supporting part is more convenient and swift, and then is easy to implant the overhauling so as to overhaul operation simpler of prosthese, improves and turns over
Repair efficiency.
Brief description
The Figure of description constituting the part of the application is used for providing a further understanding of the present invention, and the present invention shows
Meaning property embodiment and its illustrate for explaining the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the schematic front view of the embodiment of the tibial plateau assembly according to the present invention；
Fig. 2 shows the structural representation of the tibial plateau assembly of Fig. 1；
Fig. 3 shows the structural representation of another angle of the tibial plateau assembly of Fig. 1；
Fig. 4 shows the tibial plateau assembly of Fig. 1 and the structural representation of skeleton cooperation；
Fig. 5 shows the structural representation of the main platform body of tibial plateau assembly of Fig. 1；
Fig. 6 shows the structural representation of another angle of the main platform body of Fig. 5；
Fig. 7 shows the structural representation in the reparation portion of the tibial plateau assembly of Fig. 1；
Fig. 8 shows the schematic front view in the reparation portion of Fig. 7；
Fig. 9 shows the structural representation of the supporting part of tibial plateau assembly of Fig. 1；And
Figure 10 shows the schematic front view of the supporting part of Fig. 9.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
10th, main platform body；11st, the first installation through-hole；12nd, location hole；13rd, bone cement groove；20th, reparation portion；21st, the second peace
Dress through hole；22nd, filling part；221st, implant skeleton accommodating chamber；222nd, repair through hole；223rd, locating convex block；23rd, connecting portion；30th, prop up
Support part；31st, linkage section；32nd, free end；40th, instrument auxiliary section.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Mutually combine.To describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As shown in Figures 1 to 4, the tibial plateau assembly in the present embodiment includes main platform body 10 and is connected to main platform body
The supporting part 30 of 10 lower sections.The first installation through-hole 11 for wearing supporting part 30 is had on main platform body 10.Tibial plateau group
Part also includes being connected to the reparation portion 20 of main platform body 10 lower section.Reparation portion 20 has the second installation through-hole 21.Supporting part 30 is worn
It is located in the second installation through-hole 21, and the top of supporting part 30 is provided with instrument auxiliary section 40.Supporting part 30 has and second
The linkage section 31 that installation through-hole 21 connects, instrument auxiliary section 40 is located at the top of linkage section 31.
The tibial plateau assembly of application the present embodiment, sets up reparation portion 20 in the lower section of main platform body 10, and platform master
First installation through-hole 11 is had on body 10, reparation portion 20 has the second installation through-hole 21.Reparation portion 20 is located in above-mentioned first peace
In dress through hole 11 and the second installation through-hole 21.Meanwhile, supporting part 30 have the linkage section 31 being connected with the second installation through-hole 21 with
And it is located at the instrument auxiliary section 40 of linkage section 31 top.The linkage section 31 of supporting part 30 and the second installation through-hole 21 coordinate so that propping up
Support part 30 is linked together with reparation portion 20, and then supporting part 30 is linked together with main platform body 10 by reparation portion 20.?
Tibial plateau assembly can be assembled before corrective surgery or in operation.First reparation portion 20 is placed under main platform body 10
Side, then supporting part 30 is located in the first installation through-hole 11 and the second installation through-hole 21.Due to instrument auxiliary section not with any
Part connects, and is not affected by external force, and then does not allow fragile.When implantation Prothesis failure needs to overhaul, instrument and work will be overhauled
The cooperation of tool auxiliary section 40 is fixed, then is taken out supporting part 30 by overhauling instrument, or by supporting part 30 and connected
Reparation portion 20 takes out in the lump or takes out supporting part 30, reparation portion 20 and main platform body 10 in the lump.Above-mentioned tibial plateau group
The instrument auxiliary section 40 that part can be effectively prevented on tibial plateau supporting part 30 is damaged, and makes the taking-up of supporting part 30 more local
Just quick, and then it is easy to implant the overhauling so as to overhaul operation simpler of prosthese, improve and overhaul efficiency.
At present, for knee joint Cranial defect, it usually needs carry out artificial full knee joint transposing.In above-mentioned artificial complete knee joint
In replacement process, particularly in overhaul technology, how with a certain degree of bone loss.Knee joint Cranial defect is roughly divided into pardon
Or non-packet capacitive Cranial defect.Wherein, the surrounding of pardon Cranial defect still has complete cortical bone to carry out wrapping, can when being overhauled
It is filled with by particulate cancellous bone bone grafting or bone cement screw.However, the cortical bone part of the surrounding of non-packet capacitive Cranial defect or complete
Portion loses, it usually needs carry out weight by assembly type prosthese cushion block, Structural bone graft, metaphysis metal oversleeve or taper patch
Build.In most of the cases, Cranial defect is less, and remaining bone amount be enough to support replacement prosthesises.But some even more serious special defectss
Type Cranial defect, is necessary for obtaining structural stability using jointing repair prosthesis.Process this kind of Cranial defect, be maximum in total knee overhaul technology
One of challenge.Different patient bone damage conditions is often different, and jointing repair prosthesis are often standardization, normalized product.
Therefore, when Cranial defect state cannot be mated with jointing repair prosthesis, jointing repair prosthesis filling block can only be adapted to by skiving sclerotin
Form, " trims the feet to fit the shoes ", complex operation, it is difficult to ensure that overhauling quality.In the prior art, Custom Prosthesis articular prosthesis occur,
But the fabrication cycle of Custom Prosthesis prosthese is long, expensive it is difficult to be promoted.
As shown in Fig. 1, Fig. 4, Fig. 8 and Fig. 9, in the tibial plateau assembly of the present embodiment, reparation portion 20 includes filling
Portion 22 and the connecting portion 23 being located at filling part 22 lower section, the second installation through-hole 21 is arranged on connecting portion 23, instrument auxiliary section 40
And the inner circumferential wall of filling part 22 between and/or between the hole wall of the first installation through-hole 11, there is receiving gap.Above-mentioned second peace
Dress through hole 21 is connected with the linkage section 31 on supporting part 30, so that supporting part 30 is linked together with connecting portion 23, thus realizing
Fixation between supporting part 30 and reparation portion 20, prevents loose or dislocation.When implantation Prothesis failure needs to overhaul, the instrument of overhauling can
Fixed with extending in above-mentioned receiving gap and coordinating with instrument auxiliary section 40, then by overhauling instrument, supporting part 30 taken out,
Or supporting part 30 and connected reparation portion 20 are taken out in the lump or by supporting part 30, reparation portion 20 and platform master
Body 10 takes out in the lump, makes more convenient to operate.Additionally, for the situation of pardon Cranial defect, the filling part in above-mentioned reparation portion 20
22 can realize the filling to defect sclerotin.
As shown in Fig. 1, Fig. 4, Fig. 7 and Fig. 8, in the tibial plateau assembly of the present embodiment, filling part 22 has and the
The implantation skeleton accommodating chamber 221 of two installation through-hole 21 connection.Reparation through hole 222 is had on the circumferential side wall of filling part 22.Right
When pardon Cranial defect is overhauled, by filling part 22, defect sclerotin can be filled with, and accommodate in above-mentioned implantation skeleton
Bone grafting is chosen whether in chamber 221.The skeleton implanted can be autologous bone or homogeneous allogenic bone.When selection is held in implantation skeleton
Receive when implanting skeleton in chamber 221, implanted skeleton will be complete around through hole 222 and defect sclerotin by repairing of filling part 22
Osseous tissue is connected, thus realizing the effect of bone fusion.In the present embodiment, repair a diameter of 2～8mm of through hole 222, and
It is uniformly distributed.Certainly, the diameter of above-mentioned reparation through hole 222 and distributing position not limited to this, in figure other realities unshowned
Apply in mode, repair the diameter of through hole and distributing position can be adjusted according to specific needs.
As shown in Figures 1 to 4, in the tibial plateau assembly of the present embodiment, filling part 22 position is selectively attached to
The lower section of main platform body 10.In the present embodiment, according to the position of different defect sclerotin, the position of filling part 22 can be entered
Row adjustment, so that filling part 22 is suitable for the form of defect sclerotin.
As shown in Fig. 5 to Fig. 8, in the tibial plateau assembly of the present embodiment, along the first installation through-hole in main platform body 10
11 locating convex block 223 being circumferentially provided with multiple location holes 12, filling part 22 having with location hole 12 cooperation.Said structure
Filling part 22 can be realized around the central shaft rotation of the first installation through-hole 11.Specifically, the locating convex block 223 on filling part 22
May be inserted in the multiple location holes 12 in main platform body 10, by changing the cooperation of locating convex block 223 and each location hole 12
Position, can adjust filling part 22 and main platform body 10 in the horizontal plane be oppositely arranged angle, such that it is able to according to difference
The position of defect sclerotin the setting angle of filling part 22 is adjusted, increased the motility of filling part 22 setting, and then
Achieve the form better adapting to defect sclerotin.
In the present embodiment, by the adjustable filling part of set location 22, and filling part 22 has implantation skeleton and accommodates
Chamber 221 and reparation through hole 222, it is possible to achieve farthest adapt to the form of defect sclerotin, and implanted skeleton can be made
Merge well with complete osseous tissue around defect sclerotin, it is to avoid the situation of " trim the feet to fit the shoes " occur it is ensured that
Skeleton animation quality, and simple to operate, with low cost, can be widely popularized.
Meanwhile, in the present embodiment, the first installation through-hole 11 is located at the middle part of main platform body 10, and supporting part 30 is from top to bottom
Penetrate in the first installation through-hole 11, after the completion for the treatment of tibial plateau assembling components, the first installation through-hole 11 can leave certain space,
This first installation through-hole 11 a large amount of bone graftings in filling part 22 can be passed through.
As shown in Figure 7 and Figure 8, in the tibial plateau assembly of the present embodiment, locating convex block 223 is two, two positioning
Projection 223 is arranged with respect to the axisymmetrical of filling part 22.Said structure makes filling part 22 and the junction point of main platform body 10 divide
Uniformly, stress is also more uniform, so that the fixed effect between filling part 22 and main platform body 10 is more preferable for cloth.Certainly, position
The quantity of projection 223 and set location not limited to this, in the unshowned other embodiment of in figure, locating convex block 223
Quantity and set location can be adjusted according to specific needs.
As shown in fig. 7, in the tibial plateau assembly of the present embodiment, the cross section of filling part 22 is ellipse.Two fixed
Position projection 223 is located at the two ends of the major axis of oval cross section of filling part 22.After skeleton animation art completes, because defect
Filling part 22 can tightly be surrounded by the osseous tissue around sclerotin, and the cross section of above-mentioned filling part 22 is set to ellipse, permissible
Realize the fixation of immediate postoperative, there is excellent anti-rotation function simultaneously again, be conducive to middle length in skeleton for the tibial plateau assembly
Phase is stable, has effectively evaded the risk of prosthetic loosening.
In the prior art, most knee joint implantation prosthese enters using between cement reaction mode and skeleton
Row is fixed.However, bone cement itself has some defects, some complication can be produced, such as bone cement chip can cause prosthese
Loosen.In actual therapeutic, for the preferable patient of young, sclerotin, also can adopt biological fixation mode, but biological fixation
Mode is for the bad patient of older, sclerotin and inapplicable.
As shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 6, in the tibial plateau assembly of the present embodiment, the bottom of main platform body 10
There is bone cement groove 13.The upper surface of main platform body 10 is matched with tibial insert, and the bone cement groove 13 of bottom is used for accommodating bone
Cement, and main platform body 10 passes through this cement reaction with the osteotomy surface at tibial prosthesis.
As shown in Fig. 1, Fig. 4 and Figure 10, in the tibial plateau assembly of the present embodiment, the circumferential exterior surface of supporting part 30
There is biological coating.In the outer surface aufwuch coating of supporting part 30, this biological coating can be made pottery for hydroxylapatite biology
Porcelain coating or pure titanium valve coating.In the present embodiment, supporting part 30 is inserted in human tibia pulp cavity, the setting of above-mentioned biological coating
Put and supporting part 30 preferably can be merged with the bone marrow in pulp cavity, realize biological fixation.It should be noted that it is biological
Coating is not limited to hydroxyl apatite bioceramic coating and pure titanium valve coating, in the unshowned other embodiment of in figure, raw
Thing coating can also be the biological coating of other forms.
Said structure can realize the compound fixed form of cement reaction and biological fixation, and comprehensive two kinds of fixation sides
The advantage of formula, all has good therapeutic effect to the patient of all ages and classes, different sclerotin.
As shown in Fig. 8 to Figure 10, in the tibial plateau assembly of the present embodiment, the second installation through-hole 21 is conical bore, circle
The cross-sectional area of taper hole is from top to bottom gradually reduced, and linkage section 31 has the taper seat with conical bore cooperation.When to tibial plateau
When assembly is assembled, supporting part 30 is from top to bottom located in above-mentioned circular cone in the hole, and makes the linkage section 31 of supporting part 30
Taper seat match with above-mentioned conical bore, make to be fixedly connected between linkage section 31 and the second installation through-hole 21.Wherein, conical bore
Cross-sectional area be from top to bottom gradually reduced can prevent supporting part 30 from the lower end of conical bore deviate from.The diameter of above-mentioned conical bore
For 8～15mm, taper is 3 °～8 °.In the unshowned other embodiment of in figure, the diameter of conical bore and taper are not limited to
This is it is also possible to be set to other numerical value according to specific needs.
In the present embodiment, it is connected for interference between the second installation through-hole 21 and linkage section 31, certainly, the second installation through-hole
Connected mode not limited to this between 21 and linkage section 31, in the unshowned other embodiment of in figure, the second installation through-hole
Can be the connected mode of other forms between 21 and linkage section 31, for example threaded.
As shown in Figure 1 to Figure 4, shown in Fig. 9 and Figure 10, in the tibial plateau assembly of the present embodiment, supporting part 30 also has
Free end 32, free end 32 is in cone.Free end 32 is set to cone, can prevent the stress concentration of free end 32, from
And reduce the pain of patient.
As shown in Figure 10, in the tibial plateau assembly of the present embodiment, supporting part 30 is support bar.In implantation tibial plateau
In component process, support bar is inserted in human tibia pulp cavity, such that it is able to by under the Stress Transfer of main platform body 10 to tibia
Portion, and then the tibial plateau assembly guaranteeing is effectively fixing.
It should be noted that the length of support bar can be adjusted according to specific needs.In the present embodiment, support bar
There are 5 kinds of length, respectively length l=130mm, 135mm, 140mm, 145mm, 150mm.By the support bar of different length with flat
The connection of platform main body 10, it is possible to achieve the change of tibial plateau assembly whole height, thus adapt to the Skeletal size of different patients.
Certainly, it is also possible to select the support bar of other length according to specific needs in the unshowned other embodiment of in figure.
As shown in Fig. 1, Fig. 4, Fig. 9 and Figure 10, in the tibial plateau assembly of the present embodiment, instrument auxiliary section 40 includes
External screw thread.External screw thread on instrument auxiliary section 40 can be matched with the female thread on instrument, makes to coordinate with instrument using instrument
Portion 40 cooperation is more convenient when fixing.Additionally, when implanting tibial plateau assembly, instrument auxiliary section 40 can also be joined with instrument
Close, using instrument, tibial plateau assembly is implanted at tibial prosthesis, more convenient to operate.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
The tibial plateau assembly of the application can achieve the filling reparation of pardon Cranial defect, the position in reparation portion is adjustable thus
Farthest adapt to the form of patient's Cranial defect, and complete osseous tissue around implanted skeleton and defect sclerotin can be made
Merge well, strengthen the fixing effect of implantation prosthese, it is to avoid the situation of " trimming the feet to fit the shoes " occurs it is ensured that joint
Overhaul quality, and simple to operate, with low cost, can be widely popularized.Additionally, the setting of instrument auxiliary section on supporting part
Meter makes implantation or taking-up prosthese convenient.The tibial plateau assembly of the application employs cement reaction technology, biology simultaneously
Coating technology, bone fusion technology and cone fit structure, can stably fix aspect at the initial stage of implantation prosthese and later stage and have
Preferably effect.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of tibial plateau assembly, including main platform body (10) be connected to the supporting part below described main platform body (10)
(30) it is characterised in that the first installation through-hole for wearing described supporting part (30) is had on described main platform body (10)
(11), described tibial plateau assembly also includes being connected to the reparation portion (20) below described main platform body (10), described reparation portion
(20) there is the second installation through-hole (21), described supporting part (30) is located in described second installation through-hole (21), and described
The top of supporting part (30) is provided with instrument auxiliary section (40), and described supporting part (30) has and described second installation through-hole (21)
The linkage section (31) connecting, described instrument auxiliary section (40) is located at the top of described linkage section (31), described reparation portion (20) bag
Include filling part (22) and the connecting portion (23) below described filling part (22), described second installation through-hole (21) is arranged on institute
State on connecting portion (23), between the inner circumferential wall of described instrument auxiliary section (40) and described filling part (22) and/or with described
Between the hole wall of one installation through-hole (11), there is receiving gap.
2. tibial plateau assembly according to claim 1 is it is characterised in that described filling part (22) has and described second
Implantation skeleton accommodating chamber (221) that installation through-hole (21) connects.
3. tibial plateau assembly according to claim 2 is it is characterised in that have in the circumferential side wall of described filling part (22)
There is reparation through hole (222).
4. tibial plateau assembly according to claim 1 is it is characterised in that described filling part (22) position selectively connects
It is connected on the lower section of described main platform body (10).
5. tibial plateau assembly according to claim 4 is it is characterised in that along described first in described main platform body (10)
Installation through-hole (11) be circumferentially provided with multiple location holes (12), described filling part (22) has and joins with described location hole (12)
The locating convex block (223) closing.
6. tibial plateau assembly according to claim 5 it is characterised in that described locating convex block (223) be two, two
Described locating convex block (223) is arranged with respect to the axisymmetrical of described filling part (22).
7. tibial plateau assembly according to claim 6 is it is characterised in that the cross section of described filling part (22) is ellipse
Shape.
8. tibial plateau assembly according to claim 7 is it is characterised in that two described locating convex blocks (223) are located at institute
State the two ends of the major axis of oval cross section of filling part (22).
9. tibial plateau assembly according to claim 1 is it is characterised in that described second installation through-hole (21) is circular cone
Hole, the cross-sectional area of described conical bore is from top to bottom gradually reduced, and described linkage section (31) has and the cooperation of described conical bore
Taper seat.
10. tibial plateau assembly according to claim 1 is it is characterised in that described instrument auxiliary section (40) includes outer spiral shell
Stricture of vagina.
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| CN201510233275.4A CN104783933B (en) | 2015-05-08 | 2015-05-08 | Tibial plateau assembly |
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| CN201510233275.4A CN104783933B (en) | 2015-05-08 | 2015-05-08 | Tibial plateau assembly |
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| CN104783933B true CN104783933B (en) | 2017-01-25 |
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| CN102614036A (en) * | 2012-04-24 | 2012-08-01 | 北京纳通科技集团有限公司 | Knee joint prosthesis pad, shinbone base element and knee joint prosthesis |
| CN104042256A (en) * | 2013-03-15 | 2014-09-17 | 德普伊(爱尔兰)有限公司 | Femoral orthopaedic surgical instruments for setting offset |
| CN204636620U (en) * | 2015-05-08 | 2015-09-16 | 北京爱康宜诚医疗器材股份有限公司 | Tibial plateau assembly |
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| CN104783933A (en) | 2015-07-22 |
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