CN106983584A - Acetabular cup - Google Patents
Acetabular cup Download PDFInfo
- Publication number
- CN106983584A CN106983584A CN201710271409.0A CN201710271409A CN106983584A CN 106983584 A CN106983584 A CN 106983584A CN 201710271409 A CN201710271409 A CN 201710271409A CN 106983584 A CN106983584 A CN 106983584A
- Authority
- CN
- China
- Prior art keywords
- acetabular cup
- filling block
- main body
- convex tendon
- screw
- 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.)
- Pending
Links
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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
- A61F2002/30538—Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting angular orientation
- A61F2002/3054—Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting angular orientation about a connection axis or implantation axis for selecting any one of a plurality of radial orientations between two modular parts, e.g. Morse taper connections, at discrete positions, angular positions or continuous positions
-
- 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
- A61F2002/3412—Acetabular cups with pins or protrusions, e.g. non-sharp pins or protrusions projecting from a shell surface
-
- 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
- A61F2002/345—Acetabular cups the inner and outer (hemi)spherical surfaces of a shell, e.g. an intermediate shell, having distinct centres of rotation, both located on the centre line of the shell
Abstract
The invention provides a kind of acetabular cup, including：Acetabular cup, acetabular cup includes acetabular cup main body and the guiding fixed part being arranged in acetabular cup main body；Filling block, the auxiliary section that filling block includes filling block main body and is arranged in filling block main body, auxiliary section is engaged with guiding fixed part；Fixture, fixture is engaged with acetabular cup and filling block and acetabular cup and filling block is fixed on bone.Present invention efficiently solves filling block of the prior art and the problem of being connected of acetabular cup and bone.
Description
Technical field
The present invention relates to the technical field of acetabular cup, in particular to a kind of acetabular cup.
Background technology
As the extensive development of artificial joint replacement is, it is necessary to which the patient performed a surgical operation is more and more, and joint prosthesis is turned over
Repair art also turns into conventional operation technique.For the extensive Cranial defect of hip replacement acetabular bone, and knee joint peripheral
Bone loss, clinically have a mode of a variety of reconstructions, one of which is bone grafting, main purpose be exactly return to as far as possible it is enough
Bone amount and mechanics incipient stability characteristic.
Cranial defect is very common in joint prosthesis overhaul technology, less defect take graininess bone grafting, Structural bone graft or
Expand the methods such as the diameter of jointing repair prosthesis and rebuild multipotency acquisition good result.And when defect is serious, overhaul usually very intractable,
Its difficult point is to lack effective supporting construction, and current metal Cranial defect filling patch is a kind of mode for comparing accreditation, this
Method can guarantee that the excellent support of metal bone again, while it is possible to prevente effectively from the missing of bone-grafting material.Metal Cranial defect
Fill patch and routinely use sphere crescent structure, need in art to deformed originally or the acetabular bone of lesion at carry out skiving, mill
Go out after adaptable shape, patch is fixed on bone bed by way of screw, acetabular cup is then absorbed in molded again
Acetabular fossa in, it is Nian Jie or without any processing by bone cement between acetabular fossa and patch, and simply extrude insertion, therefore
Often without good connected mode with prevent dislocation between patch and acetabular cup, sliding with it is fixed.
The content of the invention
It is a primary object of the present invention to provide a kind of acetabular cup, to solve filling block of the prior art and acetabular bone
Cup is with bone the problem of being connected.
To achieve these goals, the invention provides a kind of acetabular cup, including：Acetabular cup, acetabular cup includes hip
Mortar cup main body and the guiding fixed part being arranged in acetabular cup main body；Filling block, filling block includes filling block main body and is arranged on
The auxiliary section in block main body is filled, auxiliary section is engaged with guiding fixed part；Fixture, fixture and acetabular cup and filling block are equal
Match to merge and acetabular cup and filling block are fixed on bone.
Further, guiding fixed part is the convex tendon being arranged on the outer wall of acetabular cup main body, and auxiliary section is filled out to be arranged on
The groove filled on the inwall of block, or guiding fixed part are the groove being arranged on the outer wall of acetabular cup main body, and auxiliary section is to set
Put the convex tendon on the inwall of filling block.
Further, guiding fixed part is the convex tendon being arranged on the outer wall of acetabular cup main body, and auxiliary section is filled out to be arranged on
The groove filled on the inwall of block, the cup bottom direction extension of rim of a cup of the convex tendon along acetabular cup to acetabular cup.
Further, convex tendon is multiple, and two convex tendons are oppositely arranged and form one group, groove for it is multiple and with multiple convex tendons
Set correspondingly.
Further, filling block includes the first end that is oppositely arranged and the second end, the first end of groove insertion filling block and
Second end, so that filling block is slipped into the convex tendon of acetabular cup by groove.
Further, convex tendon is obliquely installed relative to the outside wall surface of acetabular cup main body.
Further, the spacing formed between one group of two convex tendons from the root of convex tendon to free end become larger away from
With a distance from the end less than two corresponding convex tendons.
Further, convex tendon is multigroup, and filling block is multiple correspondingly with multigroup convex tendon.
Further, fixture is that the screw hole being engaged with screw is provided with screw, filling block.
Further, screw include head of screw, the first thread segment and the second thread segment, the first thread segment be located at head of screw and
Between second thread segment, the first thread segment and screw hole coordinate, and the second thread segment is engaged with bone, and the second thread segment is spongiosa
The helicitic texture of bone screws.
Apply the technical scheme of the present invention, the guiding fixed part of acetabular cup main body and the auxiliary section of filling block are engaged, and are made
Obtain acetabular cup main body to be combined together with filling block, acetabular cup main body and filling block are fixed together by fixture, and it is fixed
Acetabular cup main body and filling block are fixed on bone by part together, and such acetabular cup main body and filling block self structure are engaged,
Acetabular cup main body and filling block are fixed together and are also secured on bone by fixture.Technical scheme is effectively solved
Determine filling block and acetabular cup and the problem of being connected of bone having in technology.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the schematic perspective view of the embodiment one of the acetabular cup according to the present invention；
Fig. 2 shows the schematic front view of Fig. 1 acetabular cup；
Fig. 3 shows the schematic side view of Fig. 1 acetabular cup；
Fig. 4 shows the schematic perspective view of the acetabular cup of Fig. 1 acetabular cup；
Fig. 5 shows the schematic front view of Fig. 4 acetabular cup；
Fig. 6 shows the schematic side view of Fig. 4 acetabular cup；
Fig. 7 shows the filling block of Fig. 1 acetabular cup and the cooperation schematic diagram of fixture；
Fig. 8 shows Fig. 7 filling block and the schematic front view of fixture；
Fig. 9 shows Fig. 7 filling block and another angle schematic diagram of fixture；And
Figure 10 shows the schematic perspective view of the fixture of Fig. 1 acetabular cup.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
10th, acetabular cup；11st, acetabular cup main body；12nd, fixed part is guided；20th, filling block；21st, block main body is filled；22nd, coordinate
Portion；23rd, screw hole；30th, fixture；31st, head of screw；32nd, the first thread segment；33rd, the second thread segment.
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 present invention 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 provide further instruction to the application.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, such 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 levied.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.If for example, the device in accompanying drawing is squeezed, be 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, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary
Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be appreciated that thesing embodiments are provided so that disclosure herein is thoroughly and complete, and these are shown
The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, expands layer
With the thickness in region, and make identical device is presented with like reference characters, thus description of them will be omitted.
As shown in Figures 1 to 10, the acetabular cup of embodiment one includes：Acetabular cup 10, filling block 20 and fixture 30.
Acetabular cup 10 includes acetabular cup main body 11 and the guiding fixed part 12 being arranged in acetabular cup main body 11.Filling block 20 includes filling
Block main body 21 and the auxiliary section 22 being arranged in filling block main body 21, auxiliary section 22 is engaged with guiding fixed part 12.Fixture
30 are engaged with acetabular cup 10 and filling block 20 and acetabular cup 10 and filling block 20 are fixed on bone.
The technical scheme of Application Example one, the guiding fixed part 12 of acetabular cup main body 11 and the auxiliary section 22 of filling block 20
It is engaged so that acetabular cup main body 11 is combined together with filling block 20, fixture consolidates acetabular cup main body 11 and filling block 20
It is scheduled on together, and acetabular cup main body 11 and filling block 20 are fixed on bone by fixture 30 together, such acetabular cup main body
11 and the self structure of filling block 20 be engaged, acetabular cup main body 11 and filling block 20 are fixed together simultaneously fixed by fixture 30
On bone.The connection that the technical scheme of embodiment one efficiently solves the filling block and acetabular cup and bone in technology is consolidated
The problem of determining.
As shown in Figures 1 to 10, in the technical scheme of embodiment one, guiding fixed part 12 is to be arranged on acetabular cup main body
Convex tendon on 11 outer wall, auxiliary section 22 is the groove being arranged on the inwall of filling block 20.Said structure is easily worked, and is made
Cost is relatively low.The structure that for example guiding fixed part 12 and acetabular cup main body 11 are formed in one.It is recessed on the inwall of filling block 20
Groove is injection molding, and such processing is more convenient, and the comparision of production of product is fast.
Shown in Fig. 1 to Fig. 6, in the technical scheme of embodiment one, guiding fixed part 12 is to be arranged on acetabular cup main body 11
Outer wall on convex tendon, auxiliary section 22 is to be arranged on groove on the inwall of filling block 20, and rim of a cup of the convex tendon along acetabular cup 10 is extremely
The cup bottom direction extension of acetabular cup 10.Such structure easily causes acetabular cup main body 11 and filling block easily to coordinate, acetabular cup
It is easy for installation between main body 11 and filling block 20.
As shown in Figures 1 to 6, in the technical scheme of embodiment one, convex tendon is multiple, and two convex tendons are oppositely arranged and shape
Into one group, groove is multiple and set correspondingly with multiple convex tendons.Convex tendon is multiple, and groove is and a pair of multiple convex tendons 1
The multiple of ground setting are answered, such convex tendon can realize the limitation of various dimensions to filling block 20, and to the restriction ratio of filling block 20
Stronger, convex tendon is less likely to occur to damage.
As shown in Figures 1 to 10, in the technical scheme of embodiment one, filling block 20 include the first end that is oppositely arranged and
Second end, the first end of groove insertion filling block 20 and the second end, so that filling block 20 is slipped into acetabular cup 10 by groove
Convex tendon.The installation of so filling block 20 is more convenient, convenient.Certainly, as one skilled in the art will appreciate that filling block 20 it is recessed
It is also possible that groove is directly mounted to convex tendon.
As shown in Figures 1 to 10, in the technical scheme of embodiment one, outside wall surface of the convex tendon relative to acetabular cup main body 11
It is obliquely installed.So convex tendon can realize the spacing of various dimensions to filling block 20, for example, filling block 20 is relative to acetabular cup main body
11 can only realize the slip along convex tendon, without the relative of the other positions between filling block 20 and acetabular cup main body 11
It is mobile.
As shown in Figures 1 to 10, in the technical scheme of embodiment one, the spacing formed between one group of two convex tendons from
The distance that the root of convex tendon to free end becomes larger is less than the distance of the end of two corresponding convex tendons.Such structure one
Aspect ensure that the relative movement between filling block 20 and acetabular cup main body 11, and on the other hand such structure is easy to process.Tool
Body, the structure of two convex tendon formation dovetail grooves.
As shown in Figures 1 to 9, in the technical scheme of embodiment one, convex tendon is multigroup, and filling block 20 is and multigroup convex tendon
It is one-to-one multiple.The flexible arrangement of filling block 20 can be so realized, for example, can be with when bone defects are more
Multiple filling blocks 20 are set.Certainly, as one skilled in the art will appreciate that the shape of filling block 20 can also flexibly be set, example
It such as could be arranged to the structure of circular arc or plane.
As shown in Figure 7 to 10, in the technical scheme of embodiment one, fixture 30 is to be set on screw, filling block 20
There is the screw hole 23 being engaged with screw.The setting of fixture 30 limits filling block 20 can be along the relative freedom slided of convex tendon
Degree.Specifically, screw hole 23 is arranged between two convex tendons in adjacent one group.Further specifically, two in one group
Two screw holes 23 are set between convex tendon.Certainly, as one skilled in the art will appreciate that basis between two convex tendons in one group
Need that multiple screw holes 23 can be set.
As shown in Figure 7 to 10, in the technical scheme of embodiment one, screw includes head of screw 31, the first thread segment 32
With the second thread segment 33, the first thread segment 32 is located between the thread segment 33 of head of screw 31 and second, the first thread segment 32 and screw
Hole 23 coordinates, and the second thread segment 33 is engaged with bone, and the second thread segment 33 is the helicitic texture of cancellous bone screw.Second screw thread
Section 33 is the helicitic texture of cancellous bone screw so that the match ratio of screw and bone is stronger, and such screw thread is in sclerotin
Occlusion is fixed, and can have larger resistance to plucking output capacity.First thread segment 32 is normal thread, and such difficulty of processing compares
Low, processing cost is than relatively low.In general, the pitch of the second thread segment 33 is more than the pitch of the first thread segment 32.
The difference of the technical scheme and embodiment one of embodiment two is that guiding fixed part 12 is to be arranged on acetabular cup main body
Groove on 11 outer wall, auxiliary section 22 is the convex tendon being arranged on the inwall of filling block 20.
The acetabular cup of embodiment two includes：Acetabular cup 10, filling block 20 and fixture 30.Acetabular cup 10 includes acetabular bone
Cup main body 11 and the guiding fixed part 12 being arranged in acetabular cup main body 11.Filling block 20 includes filling block main body 21 and is arranged on
The auxiliary section 22 in block main body 21 is filled, auxiliary section 22 is engaged with guiding fixed part 12.Fixture 30 and acetabular cup 10 and fill out
Block 20 is filled to be engaged and acetabular cup 10 and filling block 20 are fixed on bone.
The technical scheme of Application Example two, the guiding fixed part 12 of acetabular cup main body 11 and the auxiliary section 22 of filling block 20
It is engaged so that acetabular cup main body 11 is combined together with filling block 20, fixture consolidates acetabular cup main body 11 and filling block 20
It is scheduled on together, and acetabular cup main body 11 and filling block 20 are fixed on bone by fixture 30 together, such acetabular cup main body
11 and the self structure of filling block 20 be engaged, acetabular cup main body 11 and filling block 20 are fixed together simultaneously fixed by fixture 30
On bone.The connection that the technical scheme of embodiment two efficiently solves the filling block and acetabular cup and bone in technology is consolidated
The problem of determining.
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 the description and claims of this application and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so that presently filed embodiment described herein for example can be with except herein
Order beyond those of diagram or description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing process, method, system, product or the equipment of series of steps or unit not
Be necessarily limited to those steps or the unit clearly listed, but may include not list clearly or for these processes, side
The intrinsic other steps of method, product or equipment or unit.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of acetabular cup, it is characterised in that including：
Acetabular cup (10), the acetabular cup (10) includes acetabular cup main body (11) and is arranged on the acetabular cup main body (11)
Guide fixed part (12)；
Filling block (20), the filling block (20) includes filling block main body (21) and is arranged on the filling block main body (21)
Auxiliary section (22), the auxiliary section (22) is engaged with the guiding fixed part (12)；
Fixture (30), the fixture (30) is engaged with the acetabular cup (10) and the filling block (20) and will be described
Acetabular cup (10) and the filling block (20) are fixed on bone.
2. acetabular cup according to claim 1, it is characterised in that the guiding fixed part (12) is described to be arranged on
Convex tendon on the outer wall of acetabular cup main body (11), the auxiliary section (22) is recessed on the inwall of the filling block (20) to be arranged on
Groove, or
The guiding fixed part (12) is the groove being arranged on the outer wall of the acetabular cup main body (11), the auxiliary section (22)
For the convex tendon being arranged on the inwall of the filling block (20).
3. acetabular cup according to claim 1, it is characterised in that the guiding fixed part (12) is described to be arranged on
Convex tendon on the outer wall of acetabular cup main body (11), the auxiliary section (22) is recessed on the inwall of the filling block (20) to be arranged on
Groove, the cup bottom direction extension of rim of a cup of the convex tendon along the acetabular cup (10) to the acetabular cup (10).
4. acetabular cup according to claim 3, it is characterised in that the convex tendon is multiple, two convex tendon phases
To setting and being formed one group, the groove is multiple and set correspondingly with multiple convex tendons.
5. acetabular cup according to claim 4, it is characterised in that the filling block (20) include being oppositely arranged the
One end and the second end, the first end of filling block (20) and the second end described in the groove insertion, so that the filling block (20) is logical
Cross the convex tendon that the groove is slipped into the acetabular cup (10).
6. the acetabular cup according to claim 4 or 5, it is characterised in that the convex tendon is relative to the acetabular cup
The outside wall surface of main body (11) is obliquely installed.
7. acetabular cup according to claim 6, it is characterised in that between being formed between one group of two convex tendons
It is less than the distance of the end of corresponding described two convex tendons away from the distance become larger from the root of the convex tendon to free end.
8. the acetabular cup according to claim 4 or 5, it is characterised in that the convex tendon is multigroup, the filling block
(20) it is multiple correspondingly with multigroup convex tendon.
9. acetabular cup according to any one of claim 1 to 5, it is characterised in that the fixture (30) is spiral shell
The screw hole (23) being engaged with the screw is provided with nail, the filling block (20).
10. acetabular cup according to claim 9, it is characterised in that the screw includes head of screw (31), the first spiral shell
Line section (32) and the second thread segment (33), first thread segment (32) are located at the head of screw (31) and second thread segment
(33) between, first thread segment (32) and the screw hole (23) coordinate, second thread segment (33) and the bone
It is engaged, second thread segment (33) is the helicitic texture of cancellous bone screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710271409.0A CN106983584A (en) | 2017-04-24 | 2017-04-24 | Acetabular cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710271409.0A CN106983584A (en) | 2017-04-24 | 2017-04-24 | Acetabular cup |
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| Publication Number | Publication Date |
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| CN106983584A true CN106983584A (en) | 2017-07-28 |
Family
ID=59416889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710271409.0A Pending CN106983584A (en) | 2017-04-24 | 2017-04-24 | Acetabular cup |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109199645A (en) * | 2018-11-12 | 2019-01-15 | 广州华钛三维材料制造有限公司 | Assembly type acetabular component and its installation method and bone defect burr device matched with its |
| CN112043464A (en) * | 2020-08-04 | 2020-12-08 | 北京市春立正达医疗器械股份有限公司 | Acetabular prosthesis and hip prosthesis |
| WO2022061416A1 (en) * | 2020-09-24 | 2022-03-31 | Signature Orthopaedics Europe Ltd | Modular acetabular prosthesis |
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| CN109199645A (en) * | 2018-11-12 | 2019-01-15 | 广州华钛三维材料制造有限公司 | Assembly type acetabular component and its installation method and bone defect burr device matched with its |
| CN112043464A (en) * | 2020-08-04 | 2020-12-08 | 北京市春立正达医疗器械股份有限公司 | Acetabular prosthesis and hip prosthesis |
| CN112043464B (en) * | 2020-08-04 | 2023-08-04 | 北京市春立正达医疗器械股份有限公司 | Acetabular prosthesis and hip joint prosthesis |
| WO2022061416A1 (en) * | 2020-09-24 | 2022-03-31 | Signature Orthopaedics Europe Ltd | Modular acetabular prosthesis |
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