CN109528360A - Acetabular cup support device - Google Patents
Acetabular cup support device Download PDFInfo
- Publication number
- CN109528360A CN109528360A CN201811614782.2A CN201811614782A CN109528360A CN 109528360 A CN109528360 A CN 109528360A CN 201811614782 A CN201811614782 A CN 201811614782A CN 109528360 A CN109528360 A CN 109528360A
- Authority
- CN
- China
- Prior art keywords
- collet
- acetabular cup
- support device
- wing plate
- cup support
- Prior art date
- 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.)
- Granted
Links
- 230000001154 acute effect Effects 0.000 claims description 6
- 210000000988 bone and bone Anatomy 0.000 description 48
- 210000003692 ilium Anatomy 0.000 description 25
- 230000000694 effects Effects 0.000 description 10
- 210000001624 hip Anatomy 0.000 description 5
- 239000007943 implant Substances 0.000 description 5
- 239000004570 mortar (masonry) Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 108010048734 sclerotin Proteins 0.000 description 3
- 210000001549 wing of ilium Anatomy 0.000 description 3
- 230000001054 cortical effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 210000004394 hip joint Anatomy 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 208000006386 Bone Resorption Diseases 0.000 description 1
- 208000012659 Joint disease Diseases 0.000 description 1
- 235000003956 Luffa Nutrition 0.000 description 1
- 244000050983 Luffa operculata Species 0.000 description 1
- 238000005267 amalgamation Methods 0.000 description 1
- 230000024279 bone resorption Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 230000011132 hemopoiesis Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 244000144985 peep Species 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30721—Accessories
- A61F2/30749—Fixation appliances for connecting prostheses to the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
- A61F2002/348—Additional features
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The present invention provides a kind of acetabular cup support devices, comprising: connection wing plate has a first end and a second end；Collet, the first end of collet are connected with the first end for connecting wing plate, and far from connection wing plate, collet extends the second end of collet with gradually tapering up on the direction by its second end to first end.To solve the problems, such as that support wing plate support acetabular cup is insecure in the prior art.
Description
Technical field
The present invention relates to medical mechanical domain technical fields, in particular to a kind of acetabular cup support device.
Background technique
Replacement of Hip Joint is to treat one of the standard procedures of hip joint disease, can relieve pain, change well
Kind function of joint, restores joint stability and limb function etc., obtains educational circles and the extensive approval of patient.
The final goal of acetabular revision is that acetabular component is enable firmly to fix for a long time.It 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, cannot achieve good biological fixation,
It then should mainly consider how the mechanical stability of realization acetabular component.
In terms of the Integrated implant of acetabular component and acetabular bone needs to pay attention to following two:
First, it is necessary to obtain good initial stability, the micro-shifting between prosthese and bone is dynamic to should be less than 50 μm, is greater than 150 μ
The micro-shifting of m is dynamic then to will lead to bone resorption and fibr tissue is grown into, and ultimately causes acetabular cup loosening.
Second, there are enough contacts area between prosthese and patient bone, most of doctors think that acetabular bone should be at least on X-ray film
The prosthese of 50% or more covering.But in fact, the contact between matrix and patient bone is complicated three-dimensional relationship.It should also be taken into account that
To other influences factor, including prosthese size, the bone amount and position, the prosthese coating that contact bone etc..
At the top of acetabular bone when bone amount defect, which includes first acetabular cup displacement and overhauls.Acetabular cup is implanted into acetabular bone
Afterwards, expose at the top of acetabular cup to outside acetabular bone, effectively support is lacked at the top of acetabular cup, will have a direct impact on the bone of acetabular cup and acetabular bone
Contact area between the initial stability and acetabular cup and patient bone of integration.
Provide a kind of support wing plate regarding to the issue above in the prior art, which can prop up acetabular cup
Support.But when support wing plate support when acetabular cup, the area that braced wing board bottom portion is contacted with acetabular cup is smaller, and acetabular cup is upward
When top easily make support wing plate displacement, in turn result in support it is unreliable, influence the Integrated implant effect of acetabular cup and acetabular bone.
Summary of the invention
The present invention is intended to provide a kind of acetabular cup support device, supports acetabular cup not to solve support wing plate in the prior art
Reliable problem.
To achieve the goals above, a kind of acetabular cup support device is provided according to the present invention, comprising: connection wing plate, tool
There is first end and second end；Collet, the first end of collet are connected with the first end for connecting wing plate, and the second end of collet is far from connection
Wing plate, collet extend with gradually tapering up on the direction by its second end to first end.
Further, collet by the direction of its second end to first end width and/or thickness be gradually reduced.
Further, the upper surface of collet is arc.
Further, the center line L of collet and connection wing plate towards the angle between the surface of collet be acute angle E.
Further, the bottom wall of acetabular cup support device is collectively formed with the wall surface for connecting wing plate for the wall surface of collet
Face, the spherical shape of the wall surface of acetabular cup support device.
Further, connection wing plate is towards being provided with dentalation on the surface of collet.
Further, dentalation includes inclined plane part and the planar portions that connect with inclined plane part, and inclined plane part is relative to the connection wing
The surface of plate towards collet is obliquely installed, and planar portions are located at inclined plane part perpendicular to connection surface of the wing plate towards collet, planar portions
Lower section.
Further, dentalation is multiple, and multiple dentalations are in the first end for connecting wing plate to the direction of second end
On set gradually.
Further, the thickness of wing plate is connected by gradually thickeing on the direction of its second end to first end.
Further, acetabular cup support device further includes microcellular structure layer, and microcellular structure layer is wrapped in collet and/or connection
On wing plate outer surface.
Further, acetabular cup support device further includes fixing piece, and first for wearing fixing piece is provided on collet
Through-hole.
It applies the technical scheme of the present invention, acetabular cup support device includes connection wing plate and collet, and connection wing plate has the
One end and second end.In this application, the first end of collet is connected with the first end for connecting wing plate, and the second end of collet is far from even
Wing plate is connect, collet extends with gradually tapering up on the direction by its second end to first end.In this application, collet is mounted on acetabular bone
Top, form the groove that be adapted to above-mentioned collet configuration on acetabular bone, the groove in inside greatly, the lesser knot of external oral area
Structure.When connection, collet is installed from the bottom to top to the groove.Since collet on the direction of its second end to first end by gradually receiving
Contracting ground extends, therefore supracotyloid groove can realize preferable limit effect to collet, even if acetabular cup supports acetabular bone upwards
When cup support device, above-mentioned groove can also be effectively prevented collet and be detached from acetabular bone outward, so that collet always can be with hip
The contact of mortar cup.And then the acetabular cup support device of the application can reliably support acetabular cup, ensure that acetabular cup and acetabular bone
Integrated implant effect.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the schematic perspective view of the embodiment of acetabular cup support device according to the present invention；
Fig. 2 shows the schematic front view of the acetabular cup support device of Fig. 1；
Fig. 3 shows the A-A of the acetabular cup support device of Fig. 2 to schematic cross-sectional view；
Fig. 4 shows the right side view of the acetabular cup support device of Fig. 1；
Fig. 5 shows the B-B direction schematic cross-sectional view of the acetabular cup support device of Fig. 4；
Fig. 6 shows enlarged diagram at the C of the acetabular cup support device of Fig. 5；
Fig. 7 shows the schematic top plan view of the acetabular cup support device of Fig. 1；
Schematic perspective view when the acetabular cup support device and acetabular cup that Fig. 8 shows Fig. 1 cooperate；And
Schematic cross-sectional view when Fig. 9 shows the acetabular cup support device and acetabular cup cooperation of Fig. 8.
Wherein, the above drawings include the following reference numerals:
10, collet；11, wall surface；12, first through hole；20, wing plate is connected；21, the second through-hole；30, dentalation；31,
Inclined plane part；32, planar portions；40, microcellular structure layer；50, fixing piece；60, acetabular cup.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
It should be noted that term used herein above is merely to describe specific 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 singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
As illustrated in figures 1 and 8, the acetabular cup support device of the present embodiment includes: connection wing plate 20 and collet 10.Connect the wing
Plate 20 has a first end and a second end.The first end of collet 10 is connected with the first end for connecting wing plate 20, the second end of collet 10
Far from connection wing plate 20, collet 10 extends with gradually tapering up on the direction by its second end to first end.
Using the technical solution of the present embodiment, acetabular cup support device includes connection wing plate 20 and collet 10, connects wing plate
20 have a first end and a second end.In the present embodiment, the first end of collet 10 is connected with the first end for connecting wing plate 20, collet
10 second end extends on the direction by its second end to first end with gradually tapering up far from connection wing plate 20, collet 10.At this
In embodiment, collet 10 is mounted on the top of acetabular bone, and the groove with above-mentioned 10 physical fit of collet, the groove are formed on acetabular bone
In internal big, the lesser structure of external oral area.When connection, collet 10 is installed from the bottom to top to the groove.Due to collet 10
Extend with being gradually tapered up on direction by its second end to first end, therefore supracotyloid groove can realize collet 10 preferably
Limit effect, even if acetabular cup 60 supports acetabular cup support device upwards, above-mentioned groove can also prevent collet 10 to
Outer disengaging acetabular bone, so that collet 10 can contact always with acetabular cup 60.And then the acetabular cup support device of the present embodiment can
Acetabular cup 60 is reliably supported, ensure that the Integrated implant effect of acetabular cup 60 Yu acetabular bone.Meanwhile acetabular cup support device can be steady
Surely it is fixed on ilium.Certainly, the collet 10 of acetabular cup support device bears the upward support force of acetabular cup 60, acetabular cup branch
The connection wing plate 20 of support arrangement bears the downward pressure of alaossisilii, that is to say, that acetabular cup support device is located at 60 He of acetabular cup
Between alaossisilii.
As shown in Figures 2 and 3, in the present embodiment, collet 10 by the direction of its second end to first end width and
Thickness is gradually reduced.The size along second end to the first extreme direction of collet 10 is the length of collet 10.The width of collet 10 is
Refer to the distance between the two side walls upwardly extended along the side of its second end to first end.The thickness of collet 10 refer to along its second
It holds to the roof and the distance between its bottom wall on the direction of first end.The width and thickness of above-mentioned collet 10 is gradually reduced energy
So that collet 10 is fixedly mounted in the inside of the groove of acetabular bone, collet 10 prevented to be upwardly separated from acetabular bone to the outside of acetabular bone,
And then play preferable anticreep effect.As shown in figure 3, there is default angle D between the two side walls of collet 10, the default folder
The angle of angle D is preferably in D >=120 °.The subilium of human body is under the action of weight, and the first of the oriented collet 10 of subilium
Mobile trend is held, above-mentioned trend makes ilium itself that can reach ilium close to connection wing plate 20 towards the side of collet 10
Lower part is under the action of weight, to achieve the effect that system self-stabilization.
In other figs. in unshowned embodiment, collet by the direction of its second end to first end width or it is thick
Degree is gradually reduced.As long as guarantee collet width or thickness one can be gradually reduced, it will be able to prevent collet to acetabular bone
Outside is upwardly separated from acetabular bone, plays anticreep effect.
As shown in Figure 1 and Figure 7, in the present embodiment, in order to enable collet 10 and the sclerotin of human body to be preferably fitted in
Together, the upper surface of collet 10 is arc.
As shown in Figure 4 and Figure 5, the center line L of collet 10 and connection wing plate 20 are towards the angle between the surface of collet 10
For acute angle E.When acetabular cup 60 supports acetabular cup support device upwards, acetabular cup 60 is upwards to 10 applied force of collet, collet 10
Be pinched at the top of acetabular bone, meanwhile, ilium can depression to collet 10 and connection wing plate 20 between.Due in collet 10
Heart line L and connection wing plate 20 are acute angle E towards the angle between the surface of collet 10, and connection wing plate 20 is to the ilium being attached thereto
Direction force, in this way, connection wing plate 20 is compressed tightly against on ilium, connection wing plate 20 is not readily disengaged from.Above-mentioned acute angle E is excellent
It is selected as 80 ° of <.Certainly, acetabular cup support device is between acetabular cup 60 and alaossisilii.Subilium under the action of weight,
The mobile trend of the first end of subilium directed connection wing plate 20, above-mentioned trend make ilium itself can be close to connection wing plate
20, towards the side of collet 10, reach subilium under the action of weight, to achieve the effect that system self-stabilization.
As shown in Fig. 1 and Fig. 9, the wall surface of collet 10 is collectively formed acetabular cup support with the wall surface for connecting wing plate 20 and fills
The wall surface 11 set, the spherical shape of wall surface 11 of acetabular cup support device.Due to the spherical shape in the outer surface of acetabular cup 60, hip
When mortar cup 60 supports acetabular cup support device upwards, the wall surface 11 of acetabular cup support device can be with the outer surface of acetabular cup 60
Plane-plane contact can guarantee contact area between the two in this way, improve the stabilization of acetabular cup support device acetabular cup 60
Property.
As shown in Figure 1 and Figure 5, connection wing plate 20 is towards being provided with dentalation 30 on the surface of collet 10.Acetabular cup 60
When supporting acetabular cup support device upwards, dentalation 30 can be engaged with ilium.Dentalation 30 can be pasted tightly
It on ilium, can prevent from that fine motion occurs between connection wing plate 20 and ilium.In turn, connection wing plate 20 can be tightly connected to
On ilium.In addition, acetabular cup support device itself has in the case that acetabular cup support device has default angle D and acute angle E
The ability of self-stabilization.Acetabular cup support device is between acetabular cup 60 and ilium, for a long time and hip due to acetabular cup support device
Mortar cup 60 and ilium contact, acetabular cup support device can be under alternate stress environment up and down, and ilium may be upwardly separated from hip
Mortar cup support device.Fine motion may occur between wing plate 20 and ilium in order to reduce to connect under the influence of above-mentioned environment, avoid hip
Mortar cup support device is unreliable, and the dentalation 30 in Fig. 5 can be engaged with ilium, reduces connection wing plate 20 and ilium
Fine motion occurs between bone, to enhance the overall stability of system, in turn, is able to extend the service life of prosthese.
As shown in Figure 5 and Figure 6, dentalation 30 includes inclined plane part 31 and the planar portions 32 connecting with inclined plane part 31, inclined-plane
Portion 31 is obliquely installed relative to the surface of connection wing plate 20 towards collet 10, and planar portions 32 are perpendicular to connection wing plate 20 towards collet
10 surface, planar portions 32 are located at the lower section of inclined plane part 31.The setting of above-mentioned planar portions 32 and inclined plane part 31 can make dentation knot
Structure 30 is adjacent to ilium, and dentalation 30 is tightly attached on ilium.In this way, dentalation 30 can further prevent
Fine motion occurs between connection wing plate 20 and ilium.
As shown in Figure 1 and Figure 7, dentalation 30 is multiple, is set gradually on multiple dentalations 30.Multiple dentalations
30 in step-like.Multiple dentalations 30 are in low wide and up narrow arrangement in first end to the direction of second end of connection wing plate 20,
In this way, multiple dentalations 30 can fit tightly on ilium, the occlusal surface between connection wing plate 20 and ilium ensure that
On the one hand product can prevent connection wing plate 20 from fine motion occurs relative to ilium, connection wing plate 20 on the other hand can be prevented opposite
It dislocates in ilium.
As depicted in figs. 1 and 2, the thickness of wing plate 20 is connected by gradually thickeing on the direction of its second end to first end.This
Sample, on the one hand, the second end of connection wing plate 20 is relatively narrow, is able to maintain lesser volume and weight, connects wing plate 20 in human body
Lesser space can be occupied.On the other hand the first end of connection wing plate 20 is wider, is able to bear what acetabular cup 60 applied upwards
Power, meanwhile, connection wing plate 20 first end have big load-carrying surface, can also with dispersive stress, have good supporting effect and
Reduce the effect that stress is concentrated.
As shown in Figure 3 and Figure 5, acetabular cup support device further includes microcellular structure layer 40, and microcellular structure layer 40 is wrapped in bottom
In support 10 and connection 20 outer surface of wing plate.Microcellular structure layer 40 has preferable Bony union, is convenient for Bone Ingrowth and combination.
Microcellular structure layer 40, collet 10 and connection wing plate 20 can be obtained by 3D printing.Above-mentioned 40 shape of microcellular structure layer
At multiple holes, similar to trabecular bone structure in the related technology.Bone trabecula in the related technology is cortical bone in cancellous bone
Extension, i.e. bone trabecula is connected with cortical bone.Be in irregular space network in bone network chamber, such as luffa sample or
Person is spongy, plays hematopoiesis support tissue.
In other figs. in unshowned embodiment, acetabular cup support device further includes microcellular structure layer, microcellular structure layer
It is wrapped on collet or connection wing plate outer surface.In this way, aforesaid way relative to collet and connection wing plate outer surface on all wrap
For wrapping up in microcellular structure layer, the integration ability with sclerotin and acetabular cup 60 is relatively weak, but still is able to play preferable bone
Amalgamation.
As shown in figs. 5 and 9, acetabular cup support device further includes fixing piece 50, is provided on collet 10 solid for wearing
Determine the first through hole 12 of part 50.The setting of first through hole 12 passes through collet 10 convenient for fixing piece 50, and acetabular cup support device is consolidated
It is scheduled on acetabular bone sclerotin.Fixing piece 50 is preferably bolt structure.
As shown in figure 4, in the present embodiment, acetabular cup support device further includes that setting is provided with the on connection wing plate 20
Two through-holes 21, the second through-hole 21 is spaced eight, and in eight the second through-holes 21, four the second through-holes 21 are as connection
Hole is located at the top of connection wing plate 20, and two the second through-holes 21, which both can be used as peep hole, can also be used as bone grafting hole positioned at connection
The middle part of wing plate 20, can also be used as the middle part that bone grafting hole is located at connection wing plate 20, and two the second through-holes 21 are used as kirschner pin hole
Positioned at the lower part of connection wing plate 20.Acetabular cup support device further includes fixing piece, and the connecting hole that fixing piece passes through top can incite somebody to action
Connection wing plate 20 is fixed on ilium.Above-mentioned fixing piece is preferably bolt structure.The second through-hole 21 of two, middle part is used as bone grafting hole
Acetabular cup support device can be promoted to merge with bone bed with bone grafting.When two the second through-holes 21 in lower part are as kirschner pin hole, by gram
Family name's needle is used as the initial alignment of acetabular cup support device, and after use, Kirschner wire will be removed, and will not be implanted to people
In vivo.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention；The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term 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 understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of acetabular cup support device characterized by comprising
It connects wing plate (20), has a first end and a second end；
The first end of collet (10), the first end of the collet (10) and connection wing plate (20) connects, the collet (10)
Second end far from the connection wing plate (20), the collet (10) gradually tapers up ground on the direction by its second end to first end
Extend.
2. acetabular cup support device according to claim 1, which is characterized in that the collet (10) is by its second end to
Width and/or thickness on the direction of one end are gradually reduced.
3. acetabular cup support device according to claim 1, which is characterized in that the upper surface of the collet (10) is arc
Shape.
4. acetabular cup support device according to claim 1, which is characterized in that the center line L of the collet (10) and institute
State connection wing plate (20) towards the angle between the surface of the collet (10) be acute angle E.
5. acetabular cup support device according to claim 1, which is characterized in that the wall surface of the collet (10) with it is described
The wall surface (11) of the acetabular cup support device, the acetabular cup support device is collectively formed in the wall surface of connection wing plate (20)
Wall surface (11) spherical shape.
6. acetabular cup support device according to claim 1, which is characterized in that the connection wing plate (20) is towards the bottom
It holds in the palm and is provided with dentalation (30) on the surface of (10).
7. acetabular cup support device according to claim 6, which is characterized in that the dentalation (30) includes inclined plane part
(31) and with the inclined plane part (31) planar portions (32) connecting, the inclined plane part (31) is relative to connection wing plate (20) court
It is obliquely installed to the surface of the collet (10), the planar portions (32) are perpendicular to the connection wing plate (20) towards the collet
(10) surface, the planar portions (32) are located at the lower section of the inclined plane part (31).
8. acetabular cup support device according to claim 7, which is characterized in that the dentalation (30) be it is multiple, it is more
A dentalation (30) sets gradually on direction of the first end to second end of connection wing plate (20).
9. acetabular cup support device according to claim 1, which is characterized in that the thickness of connection wing plate (20) is by it
It gradually thickens in second end to the direction of first end.
10. acetabular cup support device according to claim 1, which is characterized in that the acetabular cup support device further includes
Microcellular structure layer (40), the microcellular structure layer (40) are wrapped in the collet (10) and/or connection wing plate (20) appearance
On face.
11. acetabular cup support device according to claim 1, which is characterized in that the acetabular cup support device further includes
Fixing piece (50) is provided with the first through hole (12) for wearing the fixing piece (50) on the collet (10).
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| CN201811614782.2A CN109528360B (en) | 2018-12-27 | 2018-12-27 | Acetabular cup supporting device |
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| CN201811614782.2A CN109528360B (en) | 2018-12-27 | 2018-12-27 | Acetabular cup supporting device |
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|---|---|---|---|---|
| CN113230003A (en) * | 2021-05-10 | 2021-08-10 | 北京爱康宜诚医疗器材有限公司 | Acetabular prosthesis |
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| CN109528360B (en) | 2024-08-20 |
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