CN202568421U - Three-dimensional reconstruction bone plate for posterior acetabular wall and posterior column fracture - Google Patents
Three-dimensional reconstruction bone plate for posterior acetabular wall and posterior column fracture Download PDFInfo
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- CN202568421U CN202568421U CN 201220093842 CN201220093842U CN202568421U CN 202568421 U CN202568421 U CN 202568421U CN 201220093842 CN201220093842 CN 201220093842 CN 201220093842 U CN201220093842 U CN 201220093842U CN 202568421 U CN202568421 U CN 202568421U
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Abstract
The utility model discloses a three-dimensional reconstruction bone plate for fractures of the posterior wall and posterior column of acetabulum, which mainly consists of an acetabulum fixing plate and an ilium fixing plate. The three-dimensional reconstruction bone plate is characterized in that the body of the acetabulum fixing plate changes in an arc-shaped fluctuation manner according to the heights and the curvatures of all the edges and all the end angles so as to form a completely three-dimensional curved and concave construction, the curvature and the arc-shaped three-dimensional concave-convex change of the construction are matched with the anatomy curvature and the three-dimensional concave-convex shape of the posterior acetabular of Asians, and the functions of the pressurization, the fastening and the ligament pulling and resisting for fracture of the posterior wall or the posterior column of acetabulum can be provided, so that the fracture part of acetabulum can be subjected to the three-dimensional dissection and fixing conforming to the requirement of the biomechanics.
Description
Technical field
This utility model relates to the hone lamella that a kind of acetabular bone rear wall, the rear pillar reduction of the fracture are rebuild, and particularly a kind ofly can form the acetabular bone rear wall of matched well, the three-dimensional reconstruction hone lamella of rear pillar fracture with the anatomic form at fracture of acetabulum position.
Background technology
Hipbone is irregular flat bone, comprises ilium, ischium and pubis, and these three bones are to link through cartilage before 16 years old, and the back enchondral ossification of growing up combines three bone closures mutually together.Acetabular bone is the annular glenoid fossa of hipbone lateral surface, links to each other with femoral head, and it is comprised between front pillar and the rear pillar.Front pillar is ilium-pubis post, and rear pillar is ilium-ischium post.The post notion is used for the typing of fracture of acetabulum before and after the acetabular bone, is the core that fracture of acetabulum type, operative approach and internal fixation are discussed, and according to medical statistics, acetabular bone rear wall and rear pillar fracture are modal fracture of acetabulums, need take to be implanted into fixation during operation.
Traditional acetabulum reconstruction hone lamella is can when operation, being accordinged to fracture site and adjust curvature by the steel plate of any bending of a strip, and adopts one or more steel plate to fix according to the fracture situation.But acetabular bone position anatomical shape is complicated, and classification of fracture is relative complex also, only lean on the steel plate of a block length bar shaped can't reach multiple reset effect, but if use the polylith steel plate to fix simultaneously, the independence of each steel plate can't construction play the comprehensive support of fracture site.In addition, the powerful tractive strength of pelvic cavity ligament can cause the unexpected displacement of fracture site, no matter traditional reconstruction hone lamella adopts one or more to fix, all can't effectively resist this tractive strength.
The utility model content
The purpose of this utility model is to provide the three-dimensional reconstruction hone lamella of a kind of acetabular bone rear wall, rear pillar fracture; It can form good coupling with the anatomic form at fracture of acetabulum position; It is a kind of hone lamella that can produce the 3 D stereo fixed effect; The function of fracture of acetabulum position pressurization, fastening, ligament tractive impedance is provided, makes fracture of acetabulum obtain the spatial dissection that meets the biomechanics requirement and fix.
The purpose of this utility model is to provide the three-dimensional reconstruction hone lamella of a kind of acetabular bone rear wall, rear pillar fracture; Particularly according to the anatomy of Aisan's acetabular bone rear pillar and curvature and design; It and the rear wall of Aisan's acetabular bone and the anatomy of rear pillar have high approximation; Therefore, this utility model can make Asian acetabular bone posterior wall fractures, rear pillar fracture, rear wall merging rear pillar fracture obtain solid and reliable 3 D stereo and fix.
For realizing above-mentioned purpose, this utility model adopts following technical scheme:
The three-dimensional reconstruction hone lamella of a kind of acetabular bone rear wall, rear pillar fracture comprises:
One acetabular bone fixing head; Plate body for the bent recessed configuration of three-dimensional; Have one first limit, one second limit, one the 3rd limit and one the 4th limit, this first limit links to each other with this second limit and constitutes one first end angle, and this second limit links to each other with the 3rd limit and constitutes one second end angle; The 3rd limit links to each other with the 4th limit and constitutes one the 3rd end angle, and the 4th limit links to each other with this first limit and constitutes a quadripolar corners; This acetabular bone fixing head is defined as a proparea and a back zone respectively along the both sides of its long axis direction, adjacent this second limit, this proparea, adjacent the 4th limit, this back zone; This acetabular bone fixing head has a plurality of helicoid lock holes and not helicoid assist location hole;
One ilium fixing head is a slab construction, and one is connected in first limit of this acetabular bone fixing head, has an at least one helicoid lock hole and not helicoid assist location hole on this ilium fixing head;
Bottom surface with this ilium fixing head is that benchmark extends a level reference; The above-mentioned first end angle of this acetabular bone fixing head, the second end angle, relative with this level reference respectively one first distance in the 3rd end angle, a second distance, one the 3rd distance and one the 4th distance with quadripolar corners; And second distance is greater than the 3rd distance; The 3rd distance is greater than first distance, and first distance is greater than the 4th distance;
This second limit is the bent arc attitude in the elevation angle with the 4th limit with respect to this level reference;
The bent arc attitude in the elevation angle on this second limit is to be initial from the first end angle, and elevation angle arc extends to the second end angle and stops;
The bent arc attitude in the elevation angle on the 4th limit has comprised an elevation angle segmental arc that links to each other in regular turn, a bent volt section and the section of raising up, and this elevation angle segmental arc originates in this quadripolar corners, and this section of raising up ends at the 3rd end angle.
Further:
The length of said ilium fixing head and width are all less than the length and the width of said acetabular bone fixing head.
The both sides of the connecting portion of said ilium fixing head and said acetabular bone fixing head are the concave arc side, and the both sides of the long axis direction of said ilium fixing head are meander shape avris.
The three-dimensional reconstruction hone lamella of said acetabular bone rear wall, rear pillar fracture also comprises the ischium fixing head that one is connected in the 3rd limit of said acetabular bone fixing head.
Said ischium fixing head is the plate body of three-dimensional bent recessed configuration.
The length of said ischium fixing head and width are less than the length and the width of said acetabular bone fixing head.
Said ischium fixing head has a most end away from the 3rd limit of said acetabular bone fixing head; The both sides of the long axis direction of said ischium fixing head are respectively one first limit and one second limit; First limit of said ischium fixing head is one first end angle with the boundary that should hold to the greatest extent; Second limit of this ischium fixing head is one second end angle with the boundary that should hold to the greatest extent, is benchmark with said level reference, relative with said level reference respectively one the 5th distance and the 6th distance in the first end angle of this ischium fixing head and the second end angle; And the 6th distance is greater than the 5th distance, and the 5th distance is greater than above-mentioned second distance.
The said relatively level reference in first limit of said ischium fixing head and second limit is the bent arc attitude in the elevation angle; The bent arc attitude in the elevation angle on first limit of said ischium fixing head is that the second end angle from said acetabular bone fixing head is initial, and the first end angle that elevation angle arc extends to said ischium fixing head stops; The bent arc attitude in the elevation angle on second limit of said ischium fixing head is initial from the 3rd end angle of said acetabular bone fixing head, and the second end angle that elevation angle arc extends to said ischium fixing head stops.
The advantage of this utility model is:
1, the hone lamella that provides of this utility model can form good coupling with the anatomic form at fracture of acetabulum position; It is a kind of hone lamella that can produce the 3 D stereo fixed effect; The function of fracture of acetabulum position pressurization, fastening, ligament tractive impedance is provided, makes fracture of acetabulum obtain the spatial dissection that meets the biomechanics requirement and fix.
2, this utility model is according to the anatomy of Aisan's acetabular bone rear pillar and curvature and design; Has high approximation with the rear wall of Aisan acetabular bone and the anatomy of rear pillar; Therefore, this utility model can make Asian acetabular bone posterior wall fractures, rear pillar fracture, rear wall merging rear pillar fracture obtain solid and reliable 3 D stereo and fix.
Description of drawings
Fig. 1 is the first visual angle axonometric chart of this utility model hone lamella first embodiment.
Fig. 2 is the second visual angle axonometric chart of this utility model hone lamella first embodiment.
Fig. 3 is the 3rd visual angle axonometric chart of this utility model hone lamella first embodiment.
Fig. 4 is the 4th visual angle axonometric chart of this utility model hone lamella first embodiment.
Fig. 5 is the front view of this utility model hone lamella first embodiment.
Fig. 6 is the rearview of this utility model hone lamella first embodiment.
Fig. 7 is the left side view of this utility model hone lamella first embodiment.
Fig. 8 is the right side view of this utility model hone lamella first embodiment.
Fig. 9 is applied to the sketch map of the acetabular bone rear wall of right hipbone for this utility model hone lamella first embodiment.
Figure 10 is the first visual angle axonometric chart of this utility model hone lamella second embodiment.
Figure 11 is the second visual angle axonometric chart of this utility model hone lamella second embodiment.
Figure 12 is the 3rd visual angle axonometric chart of this utility model hone lamella the 3rd embodiment.
Figure 13 is the 4th visual angle axonometric chart of this utility model hone lamella the 4th embodiment.
Figure 14 is the front view of this utility model hone lamella the 5th embodiment.
Figure 15 is the rearview of this utility model hone lamella the 6th embodiment.
Figure 16 is the left side view of this utility model hone lamella the 7th embodiment.
Figure 17 is the right side view of this utility model hone lamella the 8th embodiment.
Figure 18 is applied to the sketch map of the acetabular bone rear wall of right hipbone for this utility model hone lamella the 9th embodiment.
The specific embodiment
Fig. 1 to Fig. 8 describes the acetabular bone rear wall of this utility model, three-dimensional reconstruction hone lamella first embodiment of rear pillar fracture, and as shown in the figure, the three-dimensional reconstruction hone lamella of acetabular bone rear wall, rear pillar fracture comprises an acetabular bone fixing head 10 and an ilium fixing head 30.
This acetabular bone fixing head 10 is the plate body of three-dimensional bent recessed configuration, and its contour approximation has first limit 11 in tetragon; Second limit 12; The 3rd limit 13 and 14, the first limits 11, the 4th limit link to each other with second limit 12 and constitute the formation second end angle 16 that links to each other with the 3rd limit 13,15, the second limits 12, the first end angle; The 3rd limit 13 links to each other with the 4th limit 14 and constitutes 17, the four limits 14, the 3rd end angle formation quadripolar corners 18 that links to each other with first limit 11.This acetabular bone fixing head 10 is defined as a proparea 21 and a back zone 22 respectively along the both sides of its long axis direction, 21 adjacent these second limits 12, proparea, 22 adjacent the 4th limits 14, back zone.
This ilium fixing head 30 is a slab construction; Its length and width are all less than the length and the width of this acetabular bone fixing head 10; These ilium fixing head 30 one are connected in first limit 11 of this acetabular bone fixing head 10; The both sides of connecting portion are concave arc side 31, are arc end 32 away from an end of connecting portion, and the both sides of its long axis direction are meander shape avris 33.Have an at least one helicoid lock hole 34 and not helicoid assist location hole 35 on this ilium fixing head 30.
Bottom surface with this ilium fixing head 30 is that benchmark extends a level reference S; Relative with this level reference S respectively one first distance B 1 in the above-mentioned first end angle 15 of this acetabular bone fixing head 10, the second end angle 16, the 3rd end angle 17, a second distance D2, one the 3rd distance B 3 and one the 4th distance B 4, and D2＞D3＞D1＞D4 with quadripolar corners 18.In addition, this second limit 12 and the 4th limit 14 are the bent arc attitude in the elevation angle with respect to this level reference S.The bent arc attitude in the elevation angle on second limit 12 be from the first end angle 15 for initial, elevation angle arc extends to the second end angle 16 and stops.The bent arc attitude in the elevation angle on the 4th limit 14 has then comprised an elevation angle segmental arc 141, one bent volt section 142 and one section of raising up 143 that links to each other in regular turn, and this elevation angle segmental arc 141 originates in quadripolar corners 18, and the section of raising up 143 ends at the 3rd end angle 17.The 3rd limit 13 is an arc section, and this second end angle 16 is the peak of this arc section.
The plate body curvature in the proparea 21 of this acetabular bone fixing head 10 is consistent with the bent arc attitude in the elevation angle on this second limit 12 haply with three-dimensional concavo-convex configuration.The plate body curvature of the back zone 22 of this acetabular bone fixing head 10 is consistent with the bent arc attitude in the elevation angle on the 4th limit 14 haply with three-dimensional concavo-convex configuration, but the curvature in this proparea 21 is then roughly complied with the intersection in proparea 21 in this back zone 22.Based on above-mentioned shape facility; The plate body of acetabular bone fixing head 10 is according to above-mentioned each limit and respectively holds height, the curvature at angle to do the arc fluctuations; Constitute and not have the three-dimensional bent recessed three-dimensional configuration of corner angle fully, and curvature and the three-dimensional concavo-convex variation of arc are mated with Aisan's acetabular bone rear portion anatomy curvature and three-dimensional concaveconvex shape.This acetabular bone fixing head 10 has a plurality of helicoid lock holes 23 and not helicoid assist location hole 24, this lock hole 23 and assist location hole 24 alternate layouts.
Like Fig. 9, the user mode of this utility model first embodiment is described.Among the figure roughly described right hipbone lateral surface figure; According to anatomy definition acetabular bone and rear pillar region of interest title thereof, comprise ilium 900, ischium 901, pubis 902, acetabular bone 903, greater sciatic notch 904, ischial spine 905, body of ilium 906, body of ischium 907, ischial tuberosity 908.
Acetabular bone fixing head 10 first embodiment of this utility model utilize bone screw (figure does not show) to be supported in the acetabular bone rear portion.Proparea 21 correspondences of this acetabular bone fixing head 10 are covered in the rear portion of acetabular bone 903 annular wall, and these back zone 22 correspondences are covered in body of ilium 906.30 ala of ilium that are positioned this ilium 900 through bone screw (figure does not show) of this ilium fixing head.The three-dimensional configuration of this utility model acetabular bone fixing head 10 and curvature all design according to the anatomy of acetabular bone 903 annular wall rear portions and body of ilium 906; It can form good coupling with the anatomic form at fracture of acetabulum position; Can produce the 3 D stereo fixed effect; The omnidirectional pressurization in fracture of acetabulum position, fastening effect are provided, make fracture of acetabulum obtain the spatial dissection that meets the biomechanics requirement and fix, obtain the abundant support of this utility model hone lamella when the fracture of acetabulum position; Can resist the pulling force of pelvis ligament, and the problem of the non-expection displacement of unlikely generation fracture site.In addition, the connecting portion and the meander shape avris 33 of this ilium fixing head 30 and acetabular bone fixing head 10 make this ilium fixing head 30 can readjust by a small margin angle, adjust with the actual state of answering the acetabular bone position.Same, this acetabular bone fixing head 10 also can be readjusted by a small margin angle, makes its position of mating fracture of acetabulum as much as possible fully, brings into play optimized 3 D stereo fixed effect.
Figure 10 to Figure 17 describes three-dimensional reconstruction hone lamella second embodiment of this utility model acetabular bone rear wall, rear pillar fracture, comprises an acetabular bone fixing head 10, an ilium fixing head 30 and an ischium fixing head 40.This acetabular bone fixing head 10 and ilium fixing head 30 are with aforementioned identical.This ischium fixing head 40 is the plate body of three-dimensional bent recessed configuration, has the inflexible equal equal thickness of the hone lamella of assurance, and its length and width are all less than the length and the width of this acetabular bone fixing head 10.These ischium fixing head 40 one are connected in the 3rd limit 13 of this acetabular bone fixing head 10.For holding 41 to the greatest extent, the both sides of long axis direction are respectively first limit 42 and 43, the first limits 42, second limit are that 44, the second limits 43, the first end angle are the second end angle 45 with the boundary of holding 41 to the greatest extent with the boundary of holding 41 to the greatest extent away from an end of connecting portion.With above-mentioned level reference S is benchmark, relative with this level reference S respectively one the 5th distance B 5 in the first end angle 44 of this ischium fixing head 40, the second end angle 45, one the 6th distance B 6, and D6＞D5, D5＞D2.In addition, this first limit 42 and second limit, 43 relative this level reference S are the bent arc attitude in the elevation angle.The bent arc attitude in the elevation angle on first limit 42 be the second end angle 16 from this acetabular bone fixing head 10 for initial, the first end angle 44 that elevation angle arc extends to ischium fixing head 40 stops.The bent arc attitude in the elevation angle on second limit 43 is initial from the 3rd end angle 17 of this acetabular bone fixing head 10, and the second end angle 45 that elevation angle arc extends to ischium fixing head 40 stops.This holds 41 also to be arc section to the greatest extent, and the second end angle 45 of this ischium fixing head 40 is the peak of arc section.The plate body of this ischium fixing head 40 is according to above-mentioned each limit and respectively holds height, the curvature at angle to do the three-dimensional bent recessed three-dimensional configuration of arc fluctuations formation.And the anatomy curvature of the three-dimensional bent recessed three-dimensional configuration of this ischium fixing head 40 and the ischial tuberosity of Asian ischium and three-dimensional concaveconvex shape coupling.Have an at least one helicoid lock hole 46 and not helicoid assist location hole 47 on this ischium fixing head 40.
Like Figure 18, the user mode of this utility model second embodiment is described.Continue to use the right hipbone lateral surface of Fig. 9, define identical with it toponym, and the position of acetabular bone fixing head 10 and ilium fixing head 30 is with aforementioned identical.These ischium fixing head 40 correspondences are covered in this body of ischium 907 and ischial tuberosity 908.Adding of ischium fixing head 40 can further promote the 3 D stereo fixed effect of hone lamella, makes the acetabular bone rear pillar of fracture obtain to support fully.
The above is preferred embodiment of this utility model and the know-why of being used thereof; For a person skilled in the art; Under the situation of spirit that does not deviate from this utility model and scope; Any based on conspicuous changes such as the equivalent transformation on this utility model technical scheme basis, simple replacements, all belong within this utility model protection domain.
Claims (8)
1. the three-dimensional reconstruction hone lamella of an acetabular bone rear wall, rear pillar fracture is characterized in that it comprises:
One acetabular bone fixing head; Plate body for the bent recessed configuration of three-dimensional; Have one first limit, one second limit, one the 3rd limit and one the 4th limit, this first limit links to each other with this second limit and constitutes one first end angle, and this second limit links to each other with the 3rd limit and constitutes one second end angle; The 3rd limit links to each other with the 4th limit and constitutes one the 3rd end angle, and the 4th limit links to each other with this first limit and constitutes a quadripolar corners; This acetabular bone fixing head is defined as a proparea and a back zone respectively along the both sides of its long axis direction, adjacent this second limit, this proparea, adjacent the 4th limit, this back zone; This acetabular bone fixing head has a plurality of helicoid lock holes and not helicoid assist location hole;
One ilium fixing head is a slab construction, and one is connected in first limit of this acetabular bone fixing head, has an at least one helicoid lock hole and not helicoid assist location hole on this ilium fixing head;
Bottom surface with this ilium fixing head is that benchmark extends a level reference; The above-mentioned first end angle of this acetabular bone fixing head, the second end angle, relative with this level reference respectively one first distance in the 3rd end angle, a second distance, one the 3rd distance and one the 4th distance with quadripolar corners; And second distance is greater than the 3rd distance; The 3rd distance is greater than first distance, and first distance is greater than the 4th distance;
This second limit is the bent arc attitude in the elevation angle with the 4th limit with respect to this level reference;
The bent arc attitude in the elevation angle on this second limit is to be initial from the first end angle, and elevation angle arc extends to the second end angle and stops;
The bent arc attitude in the elevation angle on the 4th limit has comprised an elevation angle segmental arc that links to each other in regular turn, a bent volt section and the section of raising up, and this elevation angle segmental arc originates in this quadripolar corners, and this section of raising up ends at the 3rd end angle.
2. the three-dimensional reconstruction hone lamella of acetabular bone rear wall as claimed in claim 1, rear pillar fracture is characterized in that, the length of said ilium fixing head and width are all less than the length and the width of said acetabular bone fixing head.
3. the three-dimensional reconstruction hone lamella of acetabular bone rear wall as claimed in claim 1, rear pillar fracture; It is characterized in that; The both sides of the connecting portion of said ilium fixing head and said acetabular bone fixing head are the concave arc side, and the both sides of the long axis direction of said ilium fixing head are meander shape avris.
4. the three-dimensional reconstruction hone lamella of acetabular bone rear wall as claimed in claim 1, rear pillar fracture is characterized in that, also comprises the ischium fixing head that one is connected in the 3rd limit of said acetabular bone fixing head.
5. the three-dimensional reconstruction hone lamella of acetabular bone rear wall as claimed in claim 4, rear pillar fracture is characterized in that, said ischium fixing head is the plate body of three-dimensional bent recessed configuration.
6. the three-dimensional reconstruction hone lamella of acetabular bone rear wall as claimed in claim 4, rear pillar fracture is characterized in that the length of said ischium fixing head and width are less than the length and the width of said acetabular bone fixing head.
7. the three-dimensional reconstruction hone lamella of acetabular bone rear wall as claimed in claim 4, rear pillar fracture; It is characterized in that; Said ischium fixing head has a most end away from the 3rd limit of said acetabular bone fixing head; The both sides of the long axis direction of said ischium fixing head are respectively one first limit and one second limit, and first limit of said ischium fixing head and the boundary that should hold to the greatest extent be one first end angle, and the boundary of end be one second end angle with being somebody's turn to do to the greatest extent on second limit of this ischium fixing head; With said level reference is benchmark; Relative with said level reference respectively one the 5th distance and the 6th distance in the first end angle of this ischium fixing head and the second end angle, and the 6th the distance greater than the 5th distance, the 5th the distance greater than above-mentioned second distance.
8. the three-dimensional reconstruction hone lamella of acetabular bone rear wall as claimed in claim 7, rear pillar fracture is characterized in that, the said relatively level reference in first limit of said ischium fixing head and second limit is the bent arc attitude in the elevation angle; The bent arc attitude in the elevation angle on first limit of said ischium fixing head is that the second end angle from said acetabular bone fixing head is initial, and the first end angle that elevation angle arc extends to said ischium fixing head stops; The bent arc attitude in the elevation angle on second limit of said ischium fixing head is initial from the 3rd end angle of said acetabular bone fixing head, and the second end angle that elevation angle arc extends to said ischium fixing head stops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220093842 CN202568421U (en) | 2012-03-13 | 2012-03-13 | Three-dimensional reconstruction bone plate for posterior acetabular wall and posterior column fracture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220093842 CN202568421U (en) | 2012-03-13 | 2012-03-13 | Three-dimensional reconstruction bone plate for posterior acetabular wall and posterior column fracture |
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| CN202568421U true CN202568421U (en) | 2012-12-05 |
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| CN 201220093842 Expired - Lifetime CN202568421U (en) | 2012-03-13 | 2012-03-13 | Three-dimensional reconstruction bone plate for posterior acetabular wall and posterior column fracture |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103654930A (en) * | 2013-11-29 | 2014-03-26 | 常州华森医疗器械有限公司 | Medial pelvis combined locking oblique plate |
| CN105250019A (en) * | 2015-09-01 | 2016-01-20 | 郭晓东 | Acetabula pre/posterior column fracture fixing device and method |
| CN105769319A (en) * | 2016-03-19 | 2016-07-20 | 王钢 | Posterior fixing steel plate for fracture of acetabular anterior and posterior columns |
| CN110037833A (en) * | 2019-05-30 | 2019-07-23 | 杨师斌 | A kind of Combined medical formula titanium alloy framework |
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2012
- 2012-03-13 CN CN 201220093842 patent/CN202568421U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103654930A (en) * | 2013-11-29 | 2014-03-26 | 常州华森医疗器械有限公司 | Medial pelvis combined locking oblique plate |
| CN103654930B (en) * | 2013-11-29 | 2015-11-18 | 常州华森医疗器械有限公司 | The oblique locking compoboard in pelvis medial wall |
| CN105250019A (en) * | 2015-09-01 | 2016-01-20 | 郭晓东 | Acetabula pre/posterior column fracture fixing device and method |
| CN105250019B (en) * | 2015-09-01 | 2018-03-20 | 郭晓东 | The fixing device that the spinous process of the seventh cervical vertebra is rolled over before and after acetabular bone |
| CN105769319A (en) * | 2016-03-19 | 2016-07-20 | 王钢 | Posterior fixing steel plate for fracture of acetabular anterior and posterior columns |
| CN105769319B (en) * | 2016-03-19 | 2018-01-12 | 王钢 | A kind of Posterior fixation steel plate rolled over for the spinous process of the seventh cervical vertebra before and after acetabular bone |
| CN110037833A (en) * | 2019-05-30 | 2019-07-23 | 杨师斌 | A kind of Combined medical formula titanium alloy framework |
| CN110037833B (en) * | 2019-05-30 | 2024-02-23 | 河南城建学院 | Medical combined titanium alloy skeleton |
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