CN109480989A - Pelvis inner sidewall lockplate and the fixed device of pelvis - Google Patents
Pelvis inner sidewall lockplate and the fixed device of pelvis Download PDFInfo
- Publication number
- CN109480989A CN109480989A CN201811295174.XA CN201811295174A CN109480989A CN 109480989 A CN109480989 A CN 109480989A CN 201811295174 A CN201811295174 A CN 201811295174A CN 109480989 A CN109480989 A CN 109480989A
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- China
- Prior art keywords
- plate
- branch
- ischium
- pelvis
- ilium
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8004—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or bones
Abstract
The present invention relates to the field of medical instrument technology, more particularly, to a kind of pelvis inner sidewall lockplate and the fixed device of pelvis, including ilium plate interconnected and ischium plate, the one end of ischium plate far from ilium plate tiltedly extends outwardly in angular, ilium plate extends outwardly far from one end of ischium plate, and the shape in bone face contact face and the shape of iliopectineal line of ilium plate match, and at least two lock holes are arranged on ilium plate, the connection for ilium plate and pelvis inner sidewall.When overcoming that fracture of acetabulum is using interior fixed type in the prior art, locking piece places more difficult, the problem of being easily accessible articular cavity or pelvic cavity；In addition to this, need to can only be taken into account using a kind of locking piece may more than fracture area, locking piece can be placed safely, operation, which does not have to enter true pelvis, can realize direct reduction, effectively fix after ensure that reset, reduce operating difficulty.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to the fixed dresses of a kind of pelvis inner sidewall lockplate and pelvis
It sets.
Background technique
Compound fracture of acetabulum is more serious and complicated intra-articular fracture, takes place mostly between twenty and fifty high-energy damage
Wound, principle of reatment is anatomical reduction, if cannot restore the dissection corresponding relationship of acetabular bone and femoral head, will lead to joint weight bearing stress
It is unevenly distributed, to accelerate joint wear and regression.It treats curative effect and replacement and fixation quality is closely related, more particularly to packet
The various types fracture for including acetabular bone quadrilateral, requires anatomical reduction, the functional training of early stage as far as possible that can reduce far when operation
The generation of phase complication.But for complicated fracture of acetabulum, more particularly, to the area Jiu Ding, the comminuted fracture of acetabular bone quadrilateral,
Since at the top of the mortar of acetabular bone, inner wall is relatively thin and proximal femur head, strongly limits and use interior fixed type in this region.
In the prior art, when fracture of acetabulum uses interior fixed type, be commonly parallel to the screw placement of quadrilateral compared with
It for difficulty, is easy to be strayed into articular cavity or pelvic cavity, even if reaching anatomical reduction, long term, which is also possible to reset, loses.Therefore, design symbol
It is particularly important that conjunction topography is conducive to the inside-fixture operated in doctor's art again.
Summary of the invention
The purpose of the present invention is to provide a kind of pelvis inner sidewall lockplate and the fixed devices of pelvis, to reduce locking piece
Place difficulty.
In a first aspect, the present invention provides a kind of pelvis inner sidewall lockplate, including ilium plate interconnected and ischium
Plate, the ischium plate tiltedly extend outwardly far from one end of the ilium plate in angular；The ilium plate is far from the ischium plate
One end extends outwardly, and the shape in bone face contact face of the ilium plate and the shape of iliopectineal line match；In the ilium
At least two lock holes are set on bone plate, the connection for the ilium plate and the pelvis inner sidewall.
In the preferred technical solution of the present invention, close to the ischium plate and ilium plate junction on the ilium plate
Position at least one described lock hole is set.
In the preferred technical solution of the present invention, the shape of the ischial body of the shape and hipbone in the bone face contact face of the ischium plate
Shape matches.
In the preferred technical solution of the present invention, the ilium plate extends outwardly far from one end of the ischium plate to be sequentially formed
First branch, the second branch and third branch, first branch and the third branch are rod-like structure, and described second
Portion is ellipsoidal structure；Angle between the extending direction of first branch and the extending direction of second branch is sharp
Angle；Angle between the extending direction of second branch and the extending direction of the third branch is obtuse angle, the third branch
The extending direction in portion and the extending direction of the ischium plate are substantially parallel.
In the preferred technical solution of the present invention, at least one institute is opened up respectively in first branch and the third branch
State lock hole.
In the preferred technical solution of the present invention, along the edge first of second branch in second branch
Through-hole, and the outer profile of the first through hole is similar to the outer profile of second branch.
Extended line and first branch in the preferred technical solution of the present invention, on the length direction of the ischium plate
Angle is formed between extended line on length direction, and the angle is between 90 °~180 °.
In the preferred technical solution of the present invention, open up on the ischium plate along the length direction of the ischium plate multiple
Second through-hole.
Specifically, the material of the ischium plate and the ilium plate is pure titanium material or stainless steel material.
Second aspect, the present invention provides a kind of fixed devices of pelvis, including multiple locking pieces and the locking of pelvis inner sidewall
Plate, the locking piece with the lock hole for matching.
Compared with prior art, the invention has the benefit that
Pelvis inner sidewall lockplate of the invention and the fixed device of pelvis, including ilium plate interconnected and ischium plate,
The integrally connected of ilium plate and ischium plate designs, and can have stronger flexibility, and facilitate reply complicated fracture；Ischium plate is remote
One end from ilium plate tiltedly extends outwardly in angular, and ilium plate extends outwardly far from one end of ischium plate, and the bone face of ilium plate
The shape of contact surface and the shape of iliopectineal line match, and at least two lock holes are arranged on ilium plate, are used for ilium plate
With the connection of pelvis inner sidewall, when overcoming that fracture of acetabulum is using interior fixed type in the prior art, locking piece is placed more tired
Difficulty, the problem of being easily accessible articular cavity or pelvic cavity；In addition to this, the bone more than possibility need to can be only taken into account using a kind of locking piece
Folding area domain, can place safely locking piece, and operation does not have to realize direct reduction into true pelvis, have after ensure that reset
The fixation of effect, reduces operating difficulty.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of pelvis inner sidewall lockplate provided by the embodiments of the present application；
Fig. 2 is the structural schematic diagram at the first visual angle of pelvis inner sidewall lockplate provided by the embodiments of the present application；
Fig. 3 is the structural schematic diagram at the second visual angle of pelvis inner sidewall lockplate provided by the embodiments of the present application；
Fig. 4 is the structural schematic diagram at the third visual angle of pelvis inner sidewall lockplate provided by the embodiments of the present application.
Icon: 1- pelvis inner sidewall lockplate；11- ilium plate；The bone face contact face of 111- ilium plate；112- first
Portion；The second branch of 113-；114- third branch；115- first through hole；12- ischium plate；The bone face contact face of 121- ischium plate；
The second through-hole of 122-；13- lock hole.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.
The component of the invention for usually describing and showing in attached drawing here can be arranged with a variety of different configurations
And design.Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It should also be noted that similar label indicates similar terms in following attached drawing, therefore, once a certain Xiang Yi attached drawing
In be defined, then do not need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside", " into ", " out " is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
For complicated fracture of acetabulum, more particularly, to the area Jiu Ding, the comminuted fracture of acetabular bone quadrilateral, due to acetabular bone
At the top of mortar, inner wall is relatively thin and proximal femur head, strongly limits and uses interior fixed type in this region.Commonly it is parallel to
The screw placement of quadrilateral is more difficult, is easily strayed into articular cavity or pelvic cavity, even if reaching anatomical reduction, long term is also possible to reset
It loses.Based on this, the embodiment of the present application proposes a kind of pelvis inner sidewall lockplate, is described below by specific embodiment.
As shown in Figure 1 to 4, pelvis inner sidewall lockplate 1 includes ilium plate 11 interconnected and ischium plate 12, ischium
The one end of plate 12 far from ilium plate 11 tiltedly extends outwardly in angular；Ilium plate 11 extends outwardly far from one end of ischium plate 12, and
The shape in bone face contact face 111 and the shape of iliopectineal line of ilium plate match；It is arranged at least two on ilium plate 11
Lock hole 13, the connection for ilium plate 11 and pelvis inner sidewall.
It should be noted that the lock hole 13 in the embodiment of the present application uses tapped through hole, tapped through hole can be double end spiral shell
Pit taper thread, since threaded hole and screw cooperate, so screw is used when fixed pelvis inner sidewall lockplate, thus
Screw can be made to be quickly screwed when use, both shorten operating time, and connect reliably, will not loosen.In addition to this, 11 He of ilium plate
What ischium plate 12 can be integrally formed, it is also possible to detachable connection.In the embodiment of the present application, ilium plate 11 and ischium plate
12 are integrally formed；Integrally connected design, can have stronger flexibility, and facilitate reply complicated fracture.
In order to overcome in the prior art when fracture of acetabulum is using interior fixed type, screw placement is more difficult, be easy into
The problem of entering articular cavity or pelvic cavity, 1 structure of pelvis inner sidewall lockplate provided by the present application is simple, highly-safe, is suitble to clinic
Demand, 1 moulding intensity of pelvis inner sidewall lockplate is preferable, screw can be made to be quickly screwed when in use, can reach more rapidly more
It is firmly attached purpose；In addition to this, the fracture area more than possibility, Ke Yian need to can be only taken into account using a kind of inside-fixture
Set nail entirely, in terms of the fracture of quadrilateral position, operation do not have to enter true pelvis can direct reduction, it is fixed to crush quadrilateral bone
Folding, to reduce operating difficulty.And then it can solve using the pelvis inner sidewall lockplate 1 proposed in the embodiment of the present application existing
The problem of screw placement difficulty in technology.
Preferably, as shown in Figure 1 and Figure 2, it is set on ilium plate 11 close to ischium plate 12 and the position of 11 junction of ilium plate
Set at least one lock hole 13.
The main function of lock hole 13 is that pelvis inner sidewall lockplate 1 is fixed on pelvis inner sidewall, therefore in this Shen
Please be in embodiment, four lock holes 13 are arranged in the position on ilium plate 11 close to ischium plate 12 with 11 junction of ilium plate, this
Four lock holes 13 are successively evenly distributed, and the trajectory shape of formation is similar to arciform wire shaped, to realize that screw sequentially passes through
Arcuate line and body of ilium 11 are fixed on inside pelvis, more particularly to the fracture aspect at quadrilateral position, set nail side using this
Method, covering fracture area that can be as big as possible, to reduce operation risk.
Specifically, as shown in figure 3, the shape and the shape phase of the ischial body of hipbone in the bone face contact face 121 of ischium plate
Match.
Since the shape of the ischial body of the shape and hipbone in the bone face contact face 121 of ischium plate matches, ischium plate 12 is just
What can be bonded with bone is more close, so that fixed is stronger.
Preferably, as shown in Figure 1 and Figure 2, ilium plate 11 extends outwardly far from one end of ischium plate 12 sequentially forms first
Portion 112, the second branch 113 and third branch 114, the first branch 112 and third branch 114 are rod-like structure, the second branch
113 be ellipsoidal structure；Angle between the extending direction of first branch 112 and the extending direction of the second branch 113 is acute angle；
Angle between the extending direction of second branch 113 and the extending direction of third branch 114 is obtuse angle, and third branch 114 prolongs
It stretches direction and the extending direction of ischium plate 12 is substantially parallel.
As described above, the formation of the first branch 112, the second branch 113 and third branch 114 on ilium plate 11 be according to
Come what is designed, their shape design is also based on for the shape of arcuate line the shape of arcuate line, can achieve so only
The fracture area more than possibility need to can be taken into account using a kind of inside-fixture, to set nail safety, can still make ilium plate 11
It is stronger to be fixed on bone.
Further, as shown in Figure 1 and Figure 2, at least one locking is opened up respectively in the first branch 112 and third branch 114
Hole 13.
In the embodiment of the present application, a lock hole 13 is opened up in the first branch 112, opens up two in third branch 114
A lock hole 13, it is more firm in order to fix it since the first branch 112 and third branch 114 are designed to rod-like structure
Gu needing that lock hole 13 is arranged in two rod-like structures, it can prevent the corner of pelvis inner sidewall lockplate 1 from loosening in this way,
And then it is fixed on its stronger on bone.
In turn, as shown in Fig. 2, along the edge first through hole 115 of the second branch 113 in the second branch 113, and
The outer profile of first through hole 115 is similar to the outer profile of the second branch 113.
As described above, the main function of first through hole 115 is the weight for mitigating ilium plate 11, along the second branch 113
Edge first through hole 115, and the outer profile of first through hole 115 is similar to the outer profile of the second branch 113, it can be as far as possible
The materials'use of more reduction ilium plates 11, and then the weight of ilium plate 11 is reduced, and do not influence the use of ilium plate 11, it is suitble to
Clinical demand.
Specifically, as shown in Figure 1, the length direction of extended line and the first branch 112 on the length direction of ischium plate 12
On extended line between form angle, and angle is between 90 °~180 °.
You need to add is that the size of angle is the design carried out according to the structure of clinical test and human body pelvis,
The size of design meets most of Man's Demands as far as possible.
As described above, the range of angle limits, also define ischium plate 12 and the connection direction of ilium plate 11 also, this
One restriction is the design that the internal structure based on pelvis carries out, and wherein angular range is between 90 °~180 °, according to clinical experience
Angle is at 110 ° or so known to the result obtained.
Preferably, as shown in Figure 1 and Figure 2, multiple second are opened up along the length direction of ischium plate 12 on ischium plate 12 to lead to
Hole 122.
The design of second through-hole 122 is identical as the effect of first through hole 115, is provided to mitigate pelvis inner sidewall lockplate
1 weight, and then the second through-hole 122 alleviates the weight of ischium plate 12, similarly suitable clinical demand.You need to add is that the
The shape of two through-holes 122 is also similar to the shape of ischium plate 12, can obtain best effect in this way, not only alleviate weight,
The use of ischium plate 12 is not influenced also.In the embodiment of the present application, the result obtained by clinical test is it is found that on ischium plate 12
3 the second through-holes 122 are set, and the shape of the second through-hole 122 is oblong.
In turn, the material of ischium plate 12 and ilium plate 11 is pure titanium material or stainless steel material.
It should be noted that ischium plate 12 and ilium plate 11 can be used metal material and be fabricated.In the embodiment of the present application
In, ischium plate 12 and ilium plate 11 are made of pure titanium material or stainless steel material；It is close due to pure titanium material or stainless steel material
Spend small, plasticity is strong, and intensity is high, meets human physical characteristics etc., is widely used on medical instrument, due in the embodiment of the present application
Pelvis inner sidewall lockplate 1 be used in human body, so should consider human physical characteristics, pay attention to the selection of material.
Based on the same technical idea, the embodiment of the present application also proposes a kind of fixed device of pelvis, specifically refers to following
Embodiment.
The fixed device of pelvis includes multiple locking pieces (not regarding out in figure) and pelvis inner sidewall lockplate 1, and locking piece is used for
It is matched with lock hole 13.
Since lock hole 13 is tapped through hole, in order to achieve the effect that cooperation, locking piece 13 uses screw, when in use may be used
So that screw is quickly screwed, both shortens operating time, and connect reliably, will not loosen.
Because above-mentioned pelvis inner sidewall lockplate 1 has above-mentioned technical effect, there is the pelvis inner sidewall lockplate 1
The fixed device of pelvis also technical effect having the same.
In addition, each structure feature in each embodiment of the application can integrate in a pelvis inner sidewall lockplate
In 1, it is also possible in one pelvis inner sidewall lockplate 1 of each structure feature individualism, it can also be with two or more
Structure feature integrates in a pelvis inner sidewall lockplate 1.
Compared with the existing technology, present invention has the advantage that
The embodiment of the present application provides a kind of pelvis inner sidewall lockplate and the fixed device of pelvis, including ilium interconnected
The integrally connected of bone plate 11 and ischium plate 12, ilium plate 11 and ischium plate 12 designs, and can have stronger flexibility, and conveniently
Cope with complicated fracture；The one end of ischium plate 12 far from ilium plate 11 tiltedly extends outwardly in angular, and ilium plate 11 is far from ischium plate 12
One end extend outwardly, and the shape in bone face contact face 111 of ilium plate and the shape of iliopectineal line match, in ilium plate
At least two threaded holes are set on 11, for the connection of ilium plate 11 and pelvis inner sidewall, overcome acetabular bone in the prior art
The problem of when folding is using interior fixed type, screw placement is more difficult, is easily accessible articular cavity or pelvic cavity；In addition to this, it only needs
Using screw can take into account may more than fracture area, easy-to-operate, operation do not have to enter true pelvis can realize
Direct reduction is effectively fixed after ensure that reset, reduces operating difficulty.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of pelvis inner sidewall lockplate, which is characterized in that including ilium plate interconnected and ischium plate, the ischium plate
One end far from the ilium plate tiltedly extends outwardly in angular；The ilium plate extends outwardly far from one end of the ischium plate,
And the shape in bone face contact face and the shape of iliopectineal line of the ilium plate match；
At least two lock holes are set on the ilium plate, the connection for the ilium plate and the pelvis inner sidewall.
2. pelvis inner sidewall lockplate according to claim 1, which is characterized in that close to the seat on the ilium plate
At least one described lock hole is arranged in the position of bone plate and ilium plate junction.
3. pelvis inner sidewall lockplate according to claim 1, which is characterized in that the bone face contact face of the ischium plate
The shape of the ischial body of shape and hipbone matches.
4. pelvis inner sidewall lockplate according to claim 1, which is characterized in that the ilium plate is far from the ischium plate
One end extend outwardly and sequentially form the first branch, the second branch and third branch, first branch and the third branch
It is rod-like structure, second branch is ellipsoidal structure；The extending direction of first branch and second branch
Angle between extending direction is acute angle；Between the extending direction of second branch and the extending direction of the third branch
Angle is obtuse angle, and the extending direction of the third branch and the extending direction of the ischium plate are substantially parallel.
5. pelvis inner sidewall lockplate according to claim 4, which is characterized in that first branch and the third branch
At least one described lock hole is opened up in portion respectively.
6. pelvis inner sidewall lockplate according to claim 4, which is characterized in that along described in second branch
The edge first through hole of second branch, and the outer profile of the first through hole is similar to the outer profile of second branch.
7. pelvis inner sidewall lockplate according to claim 4, which is characterized in that on the length direction of the ischium plate
Form angle between extended line on extended line and the length direction of first branch, and the angle 90 °~180 ° it
Between.
8. described in any item pelvis inner sidewall lockplates according to claim 1~7, which is characterized in that on the ischium plate
Multiple second through-holes are opened up along the length direction of the ischium plate.
9. pelvis inner sidewall lockplate according to claim 8, which is characterized in that the ischium plate and the ilium plate
Material is pure titanium material or stainless steel material.
10. a kind of fixed device of pelvis, which is characterized in that including multiple locking pieces and as described in any one of claims 1 to 9
Pelvis inner sidewall lockplate, the locking piece with the lock hole for matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811295174.XA CN109480989A (en) | 2018-11-01 | 2018-11-01 | Pelvis inner sidewall lockplate and the fixed device of pelvis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811295174.XA CN109480989A (en) | 2018-11-01 | 2018-11-01 | Pelvis inner sidewall lockplate and the fixed device of pelvis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109480989A true CN109480989A (en) | 2019-03-19 |
Family
ID=65693637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811295174.XA Pending CN109480989A (en) | 2018-11-01 | 2018-11-01 | Pelvis inner sidewall lockplate and the fixed device of pelvis |
Country Status (1)
| Country | Link |
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| CN (1) | CN109480989A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113995492A (en) * | 2021-10-28 | 2022-02-01 | 常州大章医疗器械有限公司 | Pelvic bone fracture plate |
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| US20120226279A1 (en) * | 2011-03-04 | 2012-09-06 | Stryker Trauma Ag | Pelvic and scapular bone plate and method for implantation |
| CN203598033U (en) * | 2013-11-29 | 2014-05-21 | 常州华森医疗器械有限公司 | Pelvis inner-side-wall inclined locking combination plate |
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| CN113995492A (en) * | 2021-10-28 | 2022-02-01 | 常州大章医疗器械有限公司 | Pelvic bone fracture plate |
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Application publication date: 20190319 |
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