CN206651895U - Acetabular bone fills block assembly and has its Hip System - Google Patents

Abstract

The utility model provides a kind of acetabular bone filling block assembly and has its Hip System, wherein, acetabular bone filling block assembly includes：Filling block and fixed structure, filling block include basic filling block, and basic filling block is arc platy structure, and arc platy structure has first surface and second surface, first surface convex, and second surface concaves；Basic filling block is fixed on acetabular bone by fixed structure, fixed structure.The technical solution of the utility model efficiently solves the problem of acetabulum reconstruction when acetabular bone of the prior art is difficult to repair or is filled bony defect in defect with conventional acetabular component.

Description

Acetabular bone fills block assembly and has its Hip System

Technical field

Field of medical technology is the utility model is related to, block assembly is filled in particular to a kind of acetabular bone and there is its Hip System.

Background technology

Replacement of Hip Joint (total hip arthroplasty hereinafter referred to as THA) is applied to clinical generation more than one Record, be one of the standard procedures for treating hip joint disease, can pain of alleviation well, improve function of joint, it is steady to recover joint Fixed and limb function etc., obtains educational circles and the extensive approval of patient.It is but postoperative also to occur due to own material and technical problem The complication such as loosening, dislocation, therefore THA is always study hotspot, new material, new technology continue to bring out, and constantly promote artificial pass The development of section.

Acetabular bone side and femur side are big because caused by taking out bone dissolving, stress shielding, prosthese and bone cement in THA overhaul technologies Scope Cranial defect is common and stubborn problem.The result of Cranial defect directly influences stability and the long term of jointing repair prosthesis Effect, therefore, effective repairing bone defect, rebuild the anatomical structure of bone, be the successful key factor of hip revision operation it One.Acetabular bone defect AAOS (American Academy of Orthopedic Surgeons) classification is simple, easily to be vast Doctor grasps, clinically using the most universal.And femur Cranial defect Paprosky classification considers the support energy of femoral shaft Power, it is proposed that the fundamental type of four kinds of Cranial defects, the selection to femoral prosthesis have directive function, be clinically widely used.

The method for reconstructing of Cranial defect mainly has particulate cancellous bone and structure bone collection.Particle bone collection is mainly used in Acetabular reconstruction bag Bone grafting in capacitive Cranial defect and femoral bone cavitas medullaris, particle bone graft play filling and support effect, and new vessels can comparatively fast be grown into Between bone trabecula between particulate cancellous bone, new bone formation persistently raises prior to bone information, bone graft area mechanical strength, in implantation particulate cancellous bone During, usually generally reach 10 years survival rates more than 90% using impaction bone grafting technology (impact graft), clinical effectiveness. Acetabular bone the structural allograft can provide prosthese structural support and recover the anatomical structure at defect, 10 years survival rates of prosthese Reach 88.5%.But as bone graft revascularization and remodeling can cause it to be absorbed and collapsed, severe patient causes acetabular bone false The loosening and displacement of body.Structural bone graft is often wrapped up by fibr tissue, and revascularization degree is low, and bone graft contacts with prosthese The few Bone Ingrowths in face.Therefore, structural allogenic bone transplantation should not be used as far as possible in overhauling.

Pelvis continuity interrupt-type Cranial defect is that complication is high, can use steel the problem of processing is most difficult in revision procedure Plate fixes post before and after acetabular bone, or strengthens ring, and the bone grafting at Cranial defect using acetabular bone.Final final result is depended in pelvis Whether disconnected place heals, and in the event of disunion, all interior fixations can only play temporary support effect, finally all can loosen and lose Lose.

When acetabular bone defect after bone grafting is repaired, it is necessary to which using appropriate acetabular component Acetabular reconstruction, prosthese is divided into non-bone Two kinds of cement and bone-cement type, cementless prosthesis is applied extensively than bone-cement type prosthese.

Cementless acetabulum is selected and fixed：Cementless prosthesis requires that acetabular bone mortar edge retains more than 2/3, and mortar bottom is complete Whole or mortar bottom at least 50% area can contact with acetabular cup surface.If acetabular bone defect, mortar edge is complete, and prosthese can quilt The pardon Cranial defect or the less Segmental Bone Defect of defect that bone limbus of acetabulum is encircled, after appropriate unstructuredness bone grafting, Usable cementless acetabular prosthesis cup, its long-term effect are preferable.The advantages of this method is can not only to recover acetabular bone bone amount, also favourable In the pivot for recovering acetabular bone, but certain operation skill is needed in operation, and need to face homogeneous allogenic bone and host Integrated implant fails, and the risk of bone information, more very a step occurs, it is also possible to cause implants to loosen.When structural allogeneic When effective support of the bone to acetabular component is more than 50%, easily there is above-mentioned complication.

The selection of bone cement acetabular bone：If Cranial defect is huge, it is contemplated that strengthens ring cover using acetabular bone, then in cover interplantation Enter bone-cement type acetabular component.The one or both sides of acetabular bone enhancing ring cover carry flank, have many screws on flank, for not Tongfang To screw fix, ring cover can be fixed on ilium, pubis and ischium securely, a dissection is provided for Acetabular reconstruction Support, the stability of acetabular bone is enhanced, provide support fixation to the allograph bone of implantation, lay the bone smaller 2~3mm than enhancing ring cover Cement prosthese, it is easy to patient to adjust the position of acetabular bone.

The final goal of acetabular revision is acetabular component is firmly fixed for a long time.Should be as solid using biology as possible It is fixed, make to form Integrated implant between acetabular component and acetabular bone, but when there is severe bone, good biological fixation can not be realized, Then it mainly should consider how to realize that the mechanical stability of acetabular component is sucked.The Integrated implant of acetabular component and acetabular bone needs two aspect bars Part：(1) good initial stability must be obtained, the micro-shifting between prosthese and bone is dynamic to should be less than 50 microns, more than 150 microns Micro-shifting is dynamic then to cause bone information and the long people of fibr tissue, and ultimately causes prosthetic loosening.(2) have between prosthese and host bone enough Contact area, most of doctors think that on x line pieces acetabular bone should at least cover more than 50% prosthese.But in fact, prosthese Contact between host bone is complicated three-dimensional relationship, and is also contemplated that other influences factor, including prosthese size, is connect Touch bone amount and position, prosthese coating of bone etc..It is above-mentioned to show that acetabular bone is difficult to repair or filled in defect with conventional acetabular component The problem of acetabulum reconstruction during bony defect.

Utility model content

Main purpose of the present utility model is that providing a kind of acetabular bone fills block assembly and have its Hip System, with Solves acetabulum reconstruction when acetabular bone of the prior art is difficult to repair or is filled bony defect in defect with conventional acetabular component The problem of.

To achieve these goals, according to one side of the present utility model, there is provided a kind of acetabular bone fills block assembly, bag Include：Filling block, filling block include basic filling block, and basic filling block is arc platy structure, and arc platy structure has the One surface and second surface, first surface convex, second surface concave；Fixed structure, fixed structure is by basic filling block It is fixed on acetabular bone.

Further, filling block also includes auxiliary filling block and attachment structure, has first connecting portion on basic filling block, There is second connecting portion on auxiliary filling block, first connecting portion and second connecting portion are linked together by attachment structure.

Further, the circumference of basic filling block includes first side and second side, and first side is straightway, and second Side is arc, and the side and first side and/or second side for aiding in filling block coordinate.

Further, also there is location division to be positioned at filling block on acetabular bone in initial installation on filling block.

Further, location division is multiple kirschner pin holes, and the orientation of multiple kirschner pin holes on filling block is multiple.

Further, the surface of filling block is loose structure.

Further, loose structure is at least one of ball, rectangular body opening and hexahedron hole.

Further, filling block includes physical layer and porous structure layer from the inside to the outside.

Further, filling block also includes hollow structure, and hollow structure is arranged on the inside of physical layer.

Further, filling block has screw hole, and fixed structure is the fixing screws being adapted with screw hole.

Further, first connecting portion and second connecting portion are connecting hole, and attachment structure is attachment screw and nut, is connected Screw is connect through connecting hole with nut to coordinate so that basic filling block and auxiliary filling block to be linked together.

Further, filling block also includes bone grafting hole, and bone grafting hole is through hole.

According to another aspect of the present utility model, there is provided a kind of Hip System, Hip System are filled including acetabular bone Block assembly, acetabular bone filling block assembly fill block assembly to weigh above-mentioned acetabular bone.

Using the technical solution of the utility model, when defect occurs in acetabular bone, it is filled in acetabular bone using basic filling block and goes out The region of existing defect, and basic filling block is fixed on acetabular bone by fixed structure.Basic filling block is arc platy structure, So it is more suitable for the acetabular bone planform of human body so that the acetabular bone of defect is filled the filling of block assembly by acetabular bone and do not lacked in the past Acetabular bone during damage is more nearly, and said structure preferably solves acetabular bone of the prior art in defect with conventional acetabular component The problem of acetabulum reconstruction when being difficult to repair or filling bony defect.The technical solution of the utility model efficiently solves existing The problem of acetabulum reconstruction when acetabular bone in technology is difficult to repair or is filled bony defect in defect with conventional acetabular component.

Brief description of the drawings

The Figure of description for forming the part of the application is used for providing further understanding to of the present utility model, this practicality New schematic description and description is used to explain the utility model, does not form to improper restriction of the present utility model. In the accompanying drawings：

Fig. 1 shows the structural representation for the embodiment one that block assembly is filled according to acetabular bone of the present utility model；

Fig. 2 shows the another form of structural representation of Fig. 1 acetabular bone filling block assembly；

Fig. 3 shows the A-A of Fig. 2 acetabular bone filling block assembly to schematic cross-sectional view；

Fig. 4 to Fig. 8 shows the schematic diagram of the structure in 5 kinds of conventional holes of porous structure layer；

Fig. 9 shows the structural representation that Fig. 1 acetabular bone filling block assembly coordinates with bone；

Figure 10 shows the structural representation of the basic filling block of Fig. 2 acetabular bone filling block assembly；

Figure 11 shows another angled arrangement schematic diagram of the basic filling block of Figure 10 acetabular bone filling block assembly；

Figure 12 shows the schematic cross-sectional view of the basic filling block of Figure 10 acetabular bone filling block assembly；

Figure 13 shows the structure of the auxiliary filling block for the embodiment two that block assembly is filled according to acetabular bone of the present utility model Schematic diagram；

Figure 14 shows the auxiliary filling block B-B direction schematic cross-sectional view of Figure 13 acetabular bone filling block assembly；

Figure 15 shows the main view of the auxiliary filling block for the embodiment three that block assembly is filled according to acetabular bone of the present utility model Schematic diagram；

Figure 16 shows the structural representation of another angle of the auxiliary filling block of Figure 15 acetabular bone filling block assembly；And

Figure 17 shows the structure of the auxiliary filling block for the example IV that block assembly is filled according to acetabular bone of the present utility model Schematic diagram.

Wherein, above-mentioned accompanying drawing marks including the following drawings：

1st, filling block；10th, basic filling block；20th, filling block is aided in；30th, location division；40th, physical layer；50th, loose structure Layer；60th, hollow structure；70th, screw hole；80th, bone grafting hole；90th, fixed structure；100th, attachment structure.

Embodiment

It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.

For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ", " ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction " Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and " in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and And respective explanations are made to the relative description in space used herein above.

Now, it is more fully described with reference to the accompanying drawings according to illustrative embodiments of the present utility model.However, these show Example property embodiment can be implemented by many different forms, and should not be construed to be limited solely to reality set forth herein Apply mode.It should be appreciated that these embodiments are provided so that disclosure of the present utility model is thoroughly and complete, and The design of these illustrative embodiments is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, Expand layer and the thickness in region, and make to be presented with like reference characters identical device, thus by omit to they Description.

As shown in Fig. 1 to Fig. 3 and Fig. 9, the acetabular bone filling block assembly of embodiment one includes：Filling block 1 and fixed structure 90.Filling block 1 includes basic filling block 10, and basic filling block 10 is arc platy structure, and arc platy structure has first Surface and second surface, first surface convex, second surface concave.Basic filling block 10 is fixed on hip by fixed structure 90 On mortar.

The technical scheme of Application Example one, when defect occurs in acetabular bone, it is filled in acetabular bone using basic filling block 10 and goes out The region of existing defect, and basic filling block 10 is fixed on acetabular bone by fixed structure 90.Basic filling block 10 is arc Shape structure, the planform being so preferably adapted at the acetabular bone of human body so that the acetabular bone of defect fills block assembly by acetabular bone Filling and acetabular bone during former non-defect be more nearly, said structure preferably solves acetabular bone of the prior art in defect When acetabulum reconstruction when with conventional acetabular component being difficult to repair or filling bony defect the problem of.The technical scheme of the present embodiment has Solves to effect hip when acetabular bone of the prior art is difficult to repair or is filled bony defect in defect with conventional acetabular component The problem of mortar is rebuild.

As shown in Figures 1 to 8, in the technical scheme of embodiment one, the arc tabular structure first surface can pass through The image data of patient carries out dissection customization, and the first surface of the arc platy structure can make rule according to image data Shape (such as spherical), is easy in art to bone plasticity, it is of course also possible to make irregular shape.The arc platy structure Two surfaces are usually ball-and-socket shape, and so convenient ball-and-socket type acetabular cup prosthesis with conventional standardization is adapted.

As shown in figures 1 and 3, in the technical scheme of embodiment one, basic filling block 10 individually can match somebody with somebody with acetabular cup Close and use, two basic filling blocks 10 link together and can also be combined as acetabular bone filling block, or two basic filling blocks 10 Integrated formed structure is made as during making, so aids in filling block 20 identical with the shape of basic filling block 10.Certainly, it is used as this Art personnel know, according to actual conditions, a basic filling block 10 can also be used alone when in use.Basis filling The fixed form of block 10 and bone have it is a variety of, for example, Cement, screw, mode that is chimeric or suppressing are fixed.In this reality The fixed form for applying basic filling block 10 and bone in example is fixed for screw, and so fixed mode operates easily, cost of manufacture It is relatively low.Certainly, as one skilled in the art will appreciate that basic filling block 10 is region and the shadow of the bone defects according to scanning As data are adjusted, basic filling block 10 can be sizing or indefinite form structure.

As shown in Fig. 4 to Figure 12, in the technical scheme of embodiment one, the surface of filling block 1 is loose structure, porous knot Structure can be ball, rectangular body opening and hexahedron hole etc., certainly, as one skilled in the art will appreciate that loose structure is not limited to Above-mentioned several forms.Such as the cross section in the hole of loose structure can be trapezoidal, loose structure can also be a variety of not similar shapes The hole of shape combines.Filling block 1 includes physical layer 40 and porous structure layer 50 from the inside to the outside, and the inside of physical layer 40 is also set It is equipped with hollow structure 60.The density in the space of loose structure can be adjusted as needed, for example, filling block 1 is from outside to inside Loose structure be arranged to by it is close to dredge, i.e. the overall clearance of the outside of filling block 1 is bigger.Specifically, the sky of loose structure Gap can be interconnected.Said structure is good and the elasticity of bone is adapted, further specifically, can be according to different human body The situation of bone select size of suitable porous structure layer 50 and hollow structure 60 etc..

As shown in Figure 13 and Figure 14, the acetabular bone filling block assembly of embodiment two and the difference of embodiment one are, filling block 1 It is to be formed by auxiliary filling block 20 and basic the combined and spliced of filling block 10.Filling block 1 also includes auxiliary filling block 20 and connected Binding structure 100, there is first connecting portion on basic filling block 10, aid in that there is second connecting portion on filling block 20, first connects Portion and second connecting portion are linked together by attachment structure 100.The said structure scope of application is wider, in actual use, hip The defect of mortar is different, is carried out according to the defect of acetabular bone difference using different auxiliary filling blocks 20 and basic filling block 10 Assembling combination.Basic filling block 10 and auxiliary filling block 20, or basic filling block 10 and auxiliary filling block 20 be when being applied in combination, Connected using one end nut bolt, the connecting hole of filling block 1 has the plane of fixing nut, is so being screwed to connect nut When, nut will not rotate with bolt, and said structure has greatly facilitated the connection of attachment structure 100.

As shown in Figure 13 and Figure 14, in the technical scheme of embodiment two, the circumference of basic filling block 10 includes the first side Side and second side, first side are straightway, and second side is arc, aid in filling block 20 side and first side and/ Or second side coordinates.Said structure is easily worked, and cost of manufacture is relatively low.The circumferential side of basic filling block 10 and auxiliary are filled out The circumferential side for filling block 20 is linked together or is bonded using fixture and is all possible.Specifically, acetabular bone filling block group For part in combination, basic filling block 10 and auxiliary filling block 20 can be combined into difference according to the defect shape of different acetabular bones Shape go to be adapted to.

As shown in Figure 13 and Figure 14, also there is location division 30 will fill out in the technical scheme of embodiment two, on filling block 1 Block 1 is filled to be positioned on acetabular bone in initial installation.The setting of said structure causes filling block 1 not occur when with skeletal fixation The problems such as dislocation.Specifically, in the technical scheme of the present embodiment, location division 30 is multiple kirschner pin holes, more on filling block 1 The orientation of individual kirschner pin hole is multiple.When filling block 1 and skeletal fixation, Kirschner wire is fixed by kirschner pin hole first On bone, such filling block 1 and bone form initial fixation, then filling block 1 is carried out to the operation of next step again.

As shown in Figure 13 and Figure 14, in the technical scheme of embodiment two, the surface of filling block 1 is loose structure.It is above-mentioned Structure causes the elasticity of filling block 1 closer to the elasticity of skeleton.Specifically, loose structure is ball, rectangular body opening and six At least one of face body opening.Certainly, as one skilled in the art will appreciate that the space of loose structure is also for other shapes Can with.

As shown in Figure 13 and Figure 14, in the technical scheme of embodiment two, filling block 1 includes the He of physical layer 40 from the inside to the outside Porous structure layer 50.The setting of physical layer 40 make it that the hardness of filling block 1 is higher, and the setting of porous structure layer 50 preferably approaches The characteristic of bone, for example, filling block 1 elasticity can preferably with bone elasticity approach.

As shown in Figure 13 and Figure 14, in the technical scheme of embodiment two, filling block 1 also includes hollow structure 60, hollow Structure 60 is arranged on the inside of physical layer 40.On the one hand said structure alleviates the weight of filling block 1, another aspect hollow structure 60 setting improves the elasticity of filling block 1.

As shown in Figure 13 and Figure 14, in the technical scheme of embodiment two, filling block 1 has screw hole 70, fixed structure 90 fixing screws to be adapted with screw hole 70.Said structure handling ease, it is easy to operate when fixed, save cost.

As shown in Figure 13 and Figure 14, in the technical scheme of embodiment two, first connecting portion and second connecting portion are to connect Connect hole, attachment structure 100 is attachment screw and nut, and attachment screw coordinates with by basic filling block 10 through connecting hole and nut Linked together with auxiliary filling block 20.Said structure is easily worked, easy to connect.

As shown in Figure 13 and Figure 14, in the technical scheme of embodiment two, filling block 1 also includes bone grafting hole 80, bone grafting hole 80 be through hole.Said structure enable space between filling block 1 and bone by the filling filling block 1 of filler with Cooperation between bone is tighter.Specifically, can be by filling out when there is fit clearance between filling block 1 and bone The mode for filling thing is filled up.

As shown in Figure 13 and Figure 14, in the technical scheme of embodiment two, basic filling block 10 and auxiliary filling block 20 Assembling schematic diagram, auxiliary filling block 20 are thicker than one end away from basic filling block 10 with one end that basic filling block 10 is engaged Some.The technical scheme of the present embodiment, suitable for some complicated defects.

As shown in Figure 15 and Figure 16, in the technical scheme of embodiment three, auxiliary filling block 20 can be other shapes To adapt to the demand of the bone of defect, auxiliary filling block 20 is rectangle structure.Certainly, as one skilled in the art will appreciate that It can also be other shapes to aid in filling block 20, and the shape of auxiliary filling block 20 can be adjusted as needed.

As shown in figure 17, in the technical scheme of example IV, basic filling block 10 and auxiliary filling block 20 can pass through Different is splicing together.The present embodiment employs the auxiliary filling block 20 of embodiment two and embodiment three and basis is filled The combined mode of block 10, to adapt to the defect of acetabular bone.Said structure adaptability is than wide.Certainly, as art technology Personnel know that the basic filling block 10 in acetabular bone filling block assembly can be multiple, and auxiliary filling block 20 can also be multiple.

Present invention also provides a kind of Hip System.Filled out according to the embodiment of the Hip System of the application including acetabular bone Fill block assembly.Acetabular bone filling block assembly fills block assembly for above-mentioned acetabular bone.

The technical scheme of the application is adaptable to various defects, and there is biological coating knot on the surface of the technical scheme of the application Structure, quickly osteocyte can be facilitated to generate, be easy to be integrated with sclerotin, reach the fixed effect of medium-long term；With traditional operation mould Formula is compared, and has the advantages of high intensity, high stability, strong Integrated implant ability.

In order to preferably solve problems, a kind of new assembly type acetabular bone with metal (titanium alloy) filling block is false Body is devised, and metal filled piece of size, profile and fixed position can be selected according to the different situations of Segmental Bone Defect Select.Such prosthese equally has porous coating, and the gap between metal filled piece and irregular bone defective region can use particulate cancellous bone Filling, is so more beneficial for Bone Ingrowth.The short term effect satisfaction of this method, the incidence of prosthese aseptic loosening is very low, clinical Scoring is also improved.In manufacture craft, the application is made up using titanium alloy metal of 3D printing method, technologic to change Change is brought using upper change；The surface of filling block 1 is loose structure, it is contemplated that and bone carries out good combination；Filling block 1 it is interior Portion is entity structure, it can be ensured that use intensity；It is adapted to the bony defect (position, size) of various situations.

3D printing rapid shaping technique is born in the late 1980s, is the brand-new system of one kind based on material stacking method Technology is made, is different from traditional removal materials processing technology, also known as increasing material manufacturing (AM, Additive Manufacturing).3D printing technique is the data using three-dimensional CAD, by rapidform machine, by material heap from level to level Accumulate into entity.Different types of rapid prototyping system moulding material because used in is different, and forming principle and system features also respectively have difference It is different, but general principle is the same, that is, " Layered manufacturing, being successively superimposed ", just as one " three-dimensional printing machine ", hence obtain one's name. With the cutting edge technology such as manufacturing technology, digital modeling techniques, Numeric Control Technology, information technology, material science and chemistry, biotechnology Fast development and multi-disciplinary hand-in-glove, the exploitation of 3D printing technique have become current most popular new technology it One.The characteristics of 3D printing product is most prominent is accurate, complicated, personalized, and this dissects weight after just having catered to pelvic tumor resection Build not only will precisely, it is complicated, even disposably, the requirement made to measure.Therefore, 3D printing technique, which turns into, meets personalized need The important channel asked.

The characteristics of 3D printing future wide application prospect will be presented in field of orthopaedics, and its basic reason is just 3D printing Meet the particular/special requirement of orthopaedics.(1) bone tissue is the Typical Representative of labyrinth, and existing bionics techniques is difficult to replicate its spy Some three-dimensional configuration and physiological function.And 3D printing is just being adapted to the quick manufacture of labyrinth, the bone that can obtain approximate ideal is repaiied Multiple material；(2) because human body has the individual specificity of height, tradition is extensive, the medical product of mass production can not expire The personalized needs of foot, and using the personalization of the manufacturing process such as mould, customed product, then cost was high in the past, cycle length. As digitized image technology is in the extensive use of medical field, bone is the organ for being easiest to obtain precision digitization image, It is combined with 3D printing, can accurately and fast, the personalized medical product of the production of low cost；Therefore, by 3D printing Technology, short time " can cast " the implants product for going out random appearance, preferable biomechanical strength, make individuation, customization Change bone implantation product development to become a reality.

It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.

It should be noted that term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing, " second " etc. is for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so The data used can exchange in the appropriate case, so as to embodiment example of the present utility model described herein if with except Order beyond those for illustrating or describing herein is implemented.In addition, term " comprising " and " having " and theirs is any Deformation, it is intended that cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, production Product or equipment are not necessarily limited to those steps clearly listed or unit, but may include not list clearly or for this The intrinsic other steps of a little process, method, product or equipment or unit.

Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.

Claims (13)

1. a kind of acetabular bone fills block assembly, it is characterised in that including：

Filling block (1), the filling block (1) include basic filling block (10), and the basic filling block (10) is arc tabular knot Structure, the arc platy structure have first surface and a second surface, the first surface convex, the second surface to Indent；

The basic filling block (10) is fixed on acetabular bone by fixed structure (90), the fixed structure (90).

2. acetabular bone according to claim 1 fills block assembly, it is characterised in that the filling block (1) is also filled out including auxiliary Block (20) and attachment structure (100) are filled, there is first connecting portion, the auxiliary filling block (20) on the basic filling block (10) It is upper that there is second connecting portion, the first connecting portion and the second connecting portion to be connected to one by the attachment structure (100) Rise.

3. acetabular bone according to claim 2 fills block assembly, it is characterised in that the circumferential bag of the basic filling block (10) Include first side and second side, the first side is straightway, and the second side is arc, the auxiliary filling block (20) side coordinates with the first side and/or the second side.

4. acetabular bone according to claim 2 fills block assembly, it is characterised in that also has positioning on the filling block (1) Portion (30) is so that the filling block (1) is positioned on the acetabular bone in initial installation.

5. acetabular bone according to claim 4 fills block assembly, it is characterised in that the location division (30) is multiple Kirschner wires Hole, the orientation of the multiple kirschner pin hole on the filling block (1) is multiple.

6. acetabular bone according to claim 2 fills block assembly, it is characterised in that the surface of the filling block (1) is porous Structure.

7. acetabular bone according to claim 6 fills block assembly, it is characterised in that the loose structure is ball, cuboid At least one of hole and hexahedron hole.

8. acetabular bone according to claim 6 fills block assembly, it is characterised in that the filling block (1) includes from the inside to the outside Physical layer (40) and porous structure layer (50).

9. acetabular bone according to claim 8 fills block assembly, it is characterised in that the filling block (1) also includes hollow knot Structure (60), the hollow structure (60) are arranged on the inside of the physical layer (40).

10. acetabular bone according to claim 2 fills block assembly, it is characterised in that the filling block (1) has screw hole (70), the fixed structure (90) is the fixing screws being adapted with the screw hole (70).

11. acetabular bone according to claim 2 fills block assembly, it is characterised in that the first connecting portion and described second Connecting portion is connecting hole, and the attachment structure (100) is attachment screw and nut, and the attachment screw passes through the connecting hole Coordinate with the nut so that the basic filling block (10) and the auxiliary filling block (20) to be linked together.

12. acetabular bone according to claim 2 fills block assembly, it is characterised in that the filling block (1) also includes bone grafting hole (80), the bone grafting hole (80) is through hole.

13. a kind of Hip System, the Hip System includes acetabular bone filling block assembly, it is characterised in that the acetabular bone is filled out Fill acetabular bone of the block assembly any one of claim 1 to 12 and fill block assembly.