CN109620483A - Single ankle-joint surface replacement system - Google Patents
Single ankle-joint surface replacement system Download PDFInfo
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- CN109620483A CN109620483A CN201910049763.8A CN201910049763A CN109620483A CN 109620483 A CN109620483 A CN 109620483A CN 201910049763 A CN201910049763 A CN 201910049763A CN 109620483 A CN109620483 A CN 109620483A
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- Prior art keywords
- ankle
- tibial
- joint
- replacement system
- joint surface
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Classifications
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- 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
- A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
- A61F2/4202—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for ankles
-
- 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
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4601—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for introducing bone substitute, for implanting bone graft implants or for compacting them in the bone cavity
-
- 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
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/4606—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of wrists or ankles; of hands, e.g. fingers; of feet, e.g. toes
Abstract
The present invention provides a kind of single ankle-joint surface replacement system, which forms by tibial surface, rotation core, away from side, wherein tibial surface and be metal or alloy material away from side, and rotation core is that polyethylene wearproof wipes material.Using above structure, it can be achieved that single ankle-joint surface replacement art.Tibial surface front and the angled connection of body portion sagittal plain, tibial surface top are coarse sprayed surface or non-polished metal surface；The bottom of tibial surface is the smooth surface of polishing.There are double ribs in the middle part of body portion.The left and right diameter and anteroposterior diameter for rotating core are respectively less than tibial surface；The top of rotation core is convex surface in sagittal plain and Coronal, and the bottom for rotating core is horizontal smooth flat.It is the horizontal smooth surface of polishing away from side top, bottom is non-polished metal covering, has double ribs in the middle part of bottom.The present invention constitutes simplicity, easy to use, can get good ankle joint function, is effectively retained bone amount, can effectively improve initial stability, reduces revision rate.
Description
Technical field
The invention belongs to the skills of single ankle-joint surface replacement system used in the operation of ankle portion surface replacement
Art field, especially a kind of single ankle-joint surface replacement system and method for implantation.
Background technique
Current ankle fusion and artificial total ankle joint replacement are treatment terminal phase ankle-joint disease, such as traumatic pass
The mainstream art formula of the diseases such as section inflammation, osteoarthritis, rheumatoid arthritis, however ankle fusion patient's postoperative ankle function
It is poor, therefore artificial total ankle joint replacement becomes more popular treatment means, using gradually increasing.It clinically uses at present
Artificial ankle joint be all the displacement of full ankle-joint, i.e., distal tibial and astragalus proximal joint face are all replaced, but many
Destruction of regression, cartilage defect or the damage, pain of patient's ankle-joint mainly from ankle portion articular surface, such as interior lateral joint
It is destructive larger to carry out displacement for relatively normal articular surface for face, lateral articular face or local articular surface of talus necrosis etc.,
And artificial full ankle-joint still has the problems such as prosthetic loosening, service life limited, activity gasket dislocation, for failure
Artificial full ankle-joint overhauled and also have bone loss, rebuild the problems such as difficult.Therefore, the invention proposes a kind of part ankles
Facet replacement, i.e., the concept of single ankle-joint displacement technique.Its principle is only to replace to the articular surface of partial destruction, can be retained
Relatively normal articular surface part, most of relatively normal sclerotin are retained, and can both be reduced operation wound, be accelerated patient's health
It is multiple, and be conducive to the implementation of revision procedure at a specified future date, there is its unique value.But current international and national clinically there is no list
Ankle-joint surface replacement prosthesis emerges.
Summary of the invention
The purpose of the present invention is to provide a kind of single ankle-joint surface replacement systems, only have partial joint face for ankle-joint
Need displaced case, it is possible to reduce coefficient of friction increases initial stability, prolongs the service life, and simplifies operating procedure, convenient
Clinical use.
In order to solve the above technical problems, the present invention is achieved by the following scheme:
A kind of list ankle-joint surface replacement system, the list ankle-joint surface replacement system by tibial surface, rotation core, away from side
Face composition, wherein tibial surface and is made away from side by metal or alloy material, and rotation core is made by scratch-resistant materials such as polyethylene.
Tibial surface divides front and body portion, front and the angled connection of body portion sagittal plain, is coarse spraying table at the top of tibial surface
The face such as coatings such as titanium metal particles or hydroxyapatite, it is selectable, at the top of tibial surface can also for non-polished metal surface for
Cement reaction；The bottom of tibial surface is the smooth surface of polishing, and bottom surface is concave surface in sagittal plain and Coronal.Front
Respectively there are 1 oblique locking nail hole in two sides, and threaded in hole, nail hole direction sagittal plain and horizontal plane are at 40 ° of angles；The middle part in body portion
There are double ribs, is the shark fin-shaped raised structures at 2 anteroposterior positions oblique rear side by side.Core is rotated with a thickness of 2.0mm-
30mm, every 0.5mm are incremented by.The left and right diameter for rotating core is less than tibial surface or so diameter, and anteroposterior diameter is less than the anteroposterior diameter of tibial surface；Rotation
The top of core is convex surface in sagittal plain and Coronal, is matched with the bottom surface of tibial surface, rotates the bottom of core for level
Smooth flat.It is the horizontal smooth surface of polishing away from side top, bottom is non-polished metal covering, has double fin-shapeds in the middle part of bottom
Keel are the shark fin-shaped raised structures at 2 anteroposterior positions oblique rear side by side.Tibial surface and away from lateral width 1.5cm-5.0cm,
Every 0.5cm is incremented by.
Using above structure, single ankle-joint surface replacement art can be easily and accurately realized.
List ankle-joint surface replacement system as described above, the front of the tibial surface and the angled company of body portion sagittal plain
It connects.
List ankle-joint surface replacement system as described above, the tibial surface top are coarse sprayed surface, and bottom is to throw
The smooth surface of light.
List ankle-joint surface replacement system as described above, the tibial surface top is non-polished metal surface.
List ankle-joint surface replacement system as described above, the tibial surface bottom surface are in sagittal plain and Coronal
Concave surface.
List ankle-joint surface replacement system as described above, the tibial surface front part sides respectively have 1 oblique locking nail hole,
Nail hole direction sagittal plain and horizontal plane are at 40 ° of angles.
List ankle-joint surface replacement system as described above, tibial surface body portion middle part have 2 anteroposterior positions oblique side by side
The shark fin-shaped raised structures at rear.
List ankle-joint surface replacement system as described above, the left and right diameter and anteroposterior diameter of the rotation core are respectively less than shin side
Face.
List ankle-joint surface replacement system as described above, the top of the rotation core are convex in sagittal plain and Coronal
Face matches with the bottom surface of tibial surface.
The bottom of list ankle-joint surface replacement system as described above, the rotation core is horizontal smooth flat.
List ankle-joint surface replacement system as described above, described away from side top be the horizontal smooth surface polished.
List ankle-joint surface replacement system as described above, described away from side bottom is non-polished metal surface.
List ankle-joint surface replacement system as described above, it is described to have 2 anteroposterior positions oblique side by side away from side bottom middle part
The shark fin-shaped raised structures at rear.
Compared with prior art, the advantages and positive effects of the present invention are: list ankle-joint surface replacement system of the present invention and
Method for implantation, which can be realized, carries out accurate replacement technique to ankle portion surface.The front of tibial surface and body portion sagittal plain angulation
Degree connection, can be attached on front side of the osteotomy surface formed after distal tibial osteotomy.The oblique locking nail hole of front part sides is with interior
The fixed intensity of locking nail can be improved in screw thread, increases the initial stability of single ankle prosthesis, oblique 40 ° be screwed into increase it is whole
The anti-torsion and resisting pull out forces of body.The roughening sprayed surface of tibial surface bottom improves distal tibial sclerotin and grows into prosthese bottom
Ability, enhance the stability at a specified future date of single ankle-joint surface replacement prosthesis.Double ribs design in the middle part of tibial surface body portion,
The ability for improving single ankle-joint surface replacement prosthesis anti-rotation and anti-torsion, further enhances stability.Tibial surface arcuate bottom
Surface simulation distal tibial anatomic form in portion's is conducive to the sliding for rotating core.The left and right diameter and anteroposterior diameter for rotating core are respectively less than
Tibial surface, top are convex surface in sagittal plain and Coronal, are matched with the bottom surface of tibial surface, which can improve
Core sliding back and forth in tibial surface bottom surface is rotated, the matching of contact surface can be more increased, to reduce the probability of rotation core abjection.
The bottom for rotating core is horizontal smooth flat, reduces and is formed by the coefficient of friction of contact surface away from side top, can be with
While sliding back and forth the stretching and beading movement for thus realizing ankle-joint, so that single ankle-joint surface replacement prosthesis system can also be realized
A degree of rotation function of ankle-joint.Bottom away from side is non-polished metal surface, can be increased for cement reaction
The stability at a specified future date of single ankle prosthesis.Away from there is in the middle part of side bottom the shark fin-shaped at 2 anteroposterior positions oblique rear side by side prominent
Structure is played, the anti-rotation of single ankle-joint surface replacement prosthesis and the ability of anti-torsion can be largely improved, reduces bone cement
It loosens.
The contents of the present invention are simple for structure, easy to use, can get good ankle-joint and the multi-direction dimension such as bend and stretch, rotate
Function, eliminate ankle-joint pain, the recent stability of single ankle-joint surface replacement prosthesis can be effectively improved and at a specified future date use the longevity
The clinical effectiveness of life.
After the detailed description of embodiment of the present invention is read in conjunction with the figure, the other features and advantages of the invention will become more
Add clear.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the positive structure schematic of single ankle-joint surface replacement system specific embodiment of the invention；
Fig. 2 is the positive structure schematic after single ankle-joint surface replacement system displacement of the invention；
Fig. 3 is the side, sectional structural schematic diagram after single ankle-joint surface replacement system displacement of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with drawings and examples pair
The present invention is described in further detail.It should be appreciated that embodiment described herein is only used to explain the present invention, and do not have to
It is of the invention in limiting.
In the following description, a large amount of concrete details are given so as to provide a more thorough understanding of the present invention.So
And it will be apparent to one skilled in the art that the present invention may not need one or more of these details and be able to
Implement.In other examples, in order to avoid confusion with the present invention, for some technical characteristics well known in the art not into
Row description.
In order to thoroughly understand the present invention, detailed structure will be proposed in following description.Obviously, execution of the invention is simultaneously
It is not limited to the specific details that those skilled in the art is familiar with.Presently preferred embodiments of the present invention is described in detail as follows, however
Other than these detailed descriptions, the present invention can also have other embodiments.
The embodiment of the present invention is described in detail below in conjunction with attached drawing.
Due to artificial total ankle joint replacement can retain ankle-joint mobility and good postoperative function, thus become mesh
Preceding clinical treatment ankle-joint whole Terminal Disease, such as the master of traumatic arthritis, osteoarthritis, rheumatoid arthritis disease
Flow art formula.But regression, cartilage defect or the damage of many patient's ankle-joints, pain are broken mainly from ankle portion articular surface
It is bad, such as the local articular surface of inside articular surface, lateral articular face or talus necrosis, sacrificing relatively normal articular surface will lead to
The problems such as operation wound increases, and postoperative rehabilitation slows down.And the full ankle prosthesis design in fixing joint face reduces ankle at present
The mobility in joint, leads to the increase of prosthese and bone interface stress, and then increases the friction between prosthese, improves prosthetic loosening
Risk reduces the service life of prosthese.And used at present artificial full ankle-joint still has prosthetic loosening, service life has
The problems such as limit, the dislocation of activity gasket, the artificial full ankle-joint of failure, which is overhauled, also bone loss, rebuilds tired
The problems such as difficult.Therefore, the present invention proposes the displacement of part articular surface of ankle, i.e., the concept of single ankle-joint displacement technique.Only to partial destruction
Articular surface carry out surface replacement, relatively normal articular surface part can be retained, the relatively normal sclerotin in part is retained, both
Reduce operation wound, improves the mobility and stability of postoperative ankle-joint, extend the service life of prosthese, and be conducive to
The implementation of revision procedure at a specified future date has its unique effect.
The present invention is to complete ankle portion surface replacement art, devises single ankle-joint surface replacement prosthesis system, simply
It is practical, reduce osteocartilaginous and subchondralo bone injury, is conducive to quick recovery.
With reference to the accompanying drawing, implementation of the invention is specifically described by specific embodiment:
As shown in Figure 1, 2, the present embodiment proposes a kind of single ankle-joint surface replacement system, and the system is by with certain machine
The metal or alloy of tool intensity, and be made of scratch-resistant materials such as polyethylene, comprising: tibial surface 10 rotates core 20 and away from side
Face 30 wherein tibial surface 10 and is made away from side 30 by metal or alloy material, rotates core 20 by scratch-resistant materials such as polyethylene
Production.
Tibial surface 10 divides front 11 and body portion 12, and front 11 and the angled connection of 12 sagittal plain of body portion, top are coarse
The sprayed surface such as coatings such as titanium metal particles or hydroxyapatite, are also possible to non-polished metal surface for cement reaction；
Bottom is then the smooth surface of polishing, and 10 bottom surface of tibial surface is concave surface in sagittal plain and Coronal.11 two sides of front are each
There is 1 oblique locking nail hole 13, threaded in hole, nail hole direction sagittal plain and horizontal plane lock peace in nail hole 13 at 40 ° of angles
Fill lock screw 40.There are the shark fin-shaped raised structures 14 at 2 anteroposterior positions oblique rear side by side at the middle part in body portion 12.
Core 20 is rotated to be incremented by with a thickness of 2.0mm-30mm, every 0.5mm.The left and right diameter for rotating core 20 is less than tibial surface 10 or so
Diameter, anteroposterior diameter are less than the anteroposterior diameter of tibial surface 10；The top of rotation core 20 is convex surface in sagittal plain and Coronal, with tibial surface
10 bottom surface matches, and the bottom of rotation core 20 is horizontal smooth flat.
Away from being the horizontal smooth surface of polishing at the top of side 30, bottom is non-polished metal covering, has double fins in the middle part of bottom
Shape keel are the shark fin-shaped raised structures 31 at 2 anteroposterior positions oblique rear side by side.Tibial surface and away from lateral width 1.5cm-
5.0cm, every 0.5cm are incremented by.
It is in turn mounted to position by tibial surface 10, away from side 30 and rotation core 20 respectively, single ankle-joint surface can be completed and set
Change art.
The present embodiment list ankle-joint surface replacement system is in use, appear ankle-joint shin with ankle-joint front dead center approach
Bone distal end and astragalus, plantar flexion ankle-joint further appear.Its width is measured according to ankle-joint cartilage damage or the serious position of defect
Degree, selects the ankle portion replacement prosthesis of suitable size, determines the size of prosthese.Deep reciprocating saw is limited using specific limit
Piece adjusts 2 limits and limits deep reciprocating saw blade tail portion intersection degree, the width between sagittal plain saw blade is made to be equal to selected prosthese ruler
It is very little.Limit is limited into deep reciprocating saw blade and is inserted into ankle-joint gap, so that head is crossed distal tibial posterior bony face, saw blade of pulling back makes head
5mm sheet metal is against on rear side of distal tibial.Starting electric tool makes limit limit deep reciprocating saw blade reciprocating cutting distal tibial bone face,
It is contradicted on distal tibial articular surface until limiting deep baffle, completes the sagittal plain cutting of distal tibial articular surface.Pass through coronal plate
On fluting select the 1st row or the 2nd emissions groove according to the thickness of selection prosthese, the cutting in horizontal bone face carried out using goose saw.It goes
Except osteotomy block and limit limit deep reciprocating saw blade, double fin keel wing preparing devices are inserted into articular cavity, are against on the osteotomy surface prepared,
Hook positive stop hook on the shin bone sclerotin of osteotomy surface rear, stabilization of pulling back, according to bone face in front of distal tibial baffle and distal tibial
Spacing size, front and back adjusts the positions of double fin keel wing preparing devices to suitable, is substantially parallel body portion with osteotomy surface, uses at this time
Hammer taps impact platform, does not have double fin keels in face to the marrow completely, until body portion and osteotomy face contact, complete double fin keel wings
Preparation.Plantar flexion ankle-joint appears at the top of astragalus, according to the prosthese size of shin bone part, in selected quasi- displaced distal tibial
The opposite astragalus position of osteotomy surface is fixed in power device after the limit for having adjusted width is limited deep reciprocating saw blade reversion,
It is inserted into ankle-joint gap, so that head is crossed astragalus proximal rearward bone face, saw blade of pulling back makes head 5mm sheet metal be against astragalus proximal end
Rear side.Starting electric tool makes limit limit deep reciprocating saw blade reciprocating cutting astragalus proximal end bone face, until limit deep baffle contradict away from
On proximal bone articular surface, stop cutting, completes sagittal plain osteotomy at the top of astragalus.It is false according to selection by the fluting on coronal plate
The thickness of body selects the 1st row or the 2nd emissions groove, and the osteotomy in horizontal bone face is carried out using goose saw, takes out bone block.By double fin keel wings
It is inserted into articular cavity after preparing device reversion, is against on the osteotomy surface prepared, hooks positive stop hook on the astragalus sclerotin of osteotomy surface rear,
Hook of pulling back is steady, and according to the spacing size in bone face in front of distal tibial baffle and astragalus proximal end, front and back adjusts double fin keel wing preparations
The position of device is substantially parallel body portion with osteotomy surface to suitable, taps impact platform with hammer at this time, does not have double fin keels completely
To the marrow in face, until body portion and osteotomy face contact.
After the preparation for completing distal tibial and astragalus proximal end bone face, osteotomy posterior joint gap is tested when bending and stretching ankle-joint
Size selects suitable tibial surface 10, is placed on the osteotomy surface of shin bone and astragalus away from 30 die trial of side, is inserted into suitable thickness
20 die trial of core is rotated, ankle-joint is resetted.The stability and mobility of ankle-joint after Template are placed in debugging, and selection is final suitable
Prosthesis size and thickness.Reconcile bone cement, when bone cement enters dough period, bone cement is applied to away from 30 bottom of side and
Osteotomy surface at the top of astragalus, will knock in astragalus face away from side 30, and clear up the bone cement of extra spilling.As tibial surface 10 is solid for bone cement
Bone cement is then applied to 10 top of tibial surface and distal tibial osteotomy surface, tibial surface 10 is knocked in distal tibial, is cleared up by sizing
The bone cement of extra spilling.Biological fixation type as at the top of tibial surface 10 being coarse sprayed surface, then by tibial surface 10 tap into
Tibial osteotomy face pressure is real, and respectively by 2 pieces of bit bores of lock screw 40, the oblique of 10 front part sides of tibial surface is screwed into after tapping
In locking nail hole 13 and tighten.It is inserted into 20 die trial of rotation core of suitable thickness, resets ankle-joint.Band bone cement hardening is complete
Afterwards, removal rotation 20 die trial of core, the extra bone cement of cleaning articular cavity.Core 20 will really be rotated to be inserted between articular surface, test
The stability and mobility of ankle-joint, and the stability of single ankle-joint surface replacement system, can be completed operation.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of list ankle-joint surface replacement system, it is characterised in that: the list ankle-joint surface replacement system include tibial surface,
It rotates core, away from side, position will be in turn mounted to away from side, tibial surface and rotation core respectively, single ankle-joint surface can be completed and set
Change art.
2. single ankle-joint surface replacement system according to claim 1, it is characterised in that: the tibial surface and away from side by gold
Belong to or alloy material production, the rotation core are wiped material by polyethylene wearproof and made.
3. single ankle-joint surface replacement system according to claim 1, it is characterised in that: the tibial surface divides front and body
The angled connection of portion, the front and body portion sagittal plain.
4. single ankle-joint surface replacement system according to claim 1, it is characterised in that: be coarse spray at the top of the tibial surface
Surface is applied, or is non-polished metal surface；The bottom of the tibial surface is the smooth surface of polishing, bottom surface in sagittal plain and
Coronal is concave surface.
5. single ankle-joint surface replacement system according to claim 1, it is characterised in that: the front part sides of the tibial surface are each
There is 1 oblique locking nail hole, threaded in hole, nail hole direction sagittal plain and horizontal plane are at 40 ° of angles.
6. single ankle-joint surface replacement system according to claim 1, it is characterised in that: the middle part in the body portion of the tibial surface
There are the shark fin-shaped raised structures at 2 anteroposterior positions oblique rear side by side.
7. single ankle-joint surface replacement system according to claim 1, it is characterised in that: the rotation core is with a thickness of 2.0mm-
30mm, every 0.5mm are incremented by；The left and right diameter of the rotation core is less than tibial surface or so diameter, and anteroposterior diameter is less than the anteroposterior diameter of tibial surface.
8. single ankle-joint surface replacement system according to claim 1, it is characterised in that: the top of the rotation core is in sagittal
Position and Coronal are convex surface, are matched with the bottom surface of tibial surface, and the bottom for rotating core is horizontal smooth flat.
9. single ankle-joint surface replacement system according to claim 1, it is characterised in that: described away from side top be to polish
Horizontal smooth surface, bottom are non-polished metal covering, have in the middle part of bottom the shark fin-shaped at 2 anteroposterior positions oblique rear side by side prominent
Play structure.
10. single ankle-joint surface replacement system according to claim 1, it is characterised in that: the tibial surface and wide away from side
1.5cm-5.0cm is spent, every 0.5cm is incremented by.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910049763.8A CN109620483B (en) | 2019-01-18 | 2019-01-18 | Single ankle joint surface replacement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910049763.8A CN109620483B (en) | 2019-01-18 | 2019-01-18 | Single ankle joint surface replacement system |
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| CN109620483A true CN109620483A (en) | 2019-04-16 |
| CN109620483B CN109620483B (en) | 2023-07-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111920551A (en) * | 2020-07-28 | 2020-11-13 | 北京市春立正达医疗器械股份有限公司 | Primary total ankle joint prosthesis |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102048600A (en) * | 2009-10-27 | 2011-05-11 | 上海交通大学医学院附属第九人民医院 | Total ankle plus total talus prosthesis |
| CN204501111U (en) * | 2015-03-31 | 2015-07-29 | 中国人民解放军第三军医大学第三附属医院 | Novel artificial ankle joint |
| CN105193523A (en) * | 2015-02-09 | 2015-12-30 | 北京市春立正达医疗器械股份有限公司 | Ankle joint implant |
| US20160338841A1 (en) * | 2015-01-12 | 2016-11-24 | Wright Medical Technology, Inc. | Targeted screw for talar dome fixation |
| CN106691634A (en) * | 2016-11-18 | 2017-05-24 | 徐永清 | Wrist joint prosthesis with titanium alloy locking plates |
| CN108524063A (en) * | 2018-04-25 | 2018-09-14 | 南方医科大学第三附属医院（广东省骨科研究院） | A kind of 3D printing personalization astragalus surface replacement prosthesis |
-
2019
- 2019-01-18 CN CN201910049763.8A patent/CN109620483B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102048600A (en) * | 2009-10-27 | 2011-05-11 | 上海交通大学医学院附属第九人民医院 | Total ankle plus total talus prosthesis |
| US20160338841A1 (en) * | 2015-01-12 | 2016-11-24 | Wright Medical Technology, Inc. | Targeted screw for talar dome fixation |
| CN105193523A (en) * | 2015-02-09 | 2015-12-30 | 北京市春立正达医疗器械股份有限公司 | Ankle joint implant |
| CN204501111U (en) * | 2015-03-31 | 2015-07-29 | 中国人民解放军第三军医大学第三附属医院 | Novel artificial ankle joint |
| CN106691634A (en) * | 2016-11-18 | 2017-05-24 | 徐永清 | Wrist joint prosthesis with titanium alloy locking plates |
| CN108524063A (en) * | 2018-04-25 | 2018-09-14 | 南方医科大学第三附属医院（广东省骨科研究院） | A kind of 3D printing personalization astragalus surface replacement prosthesis |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111920551A (en) * | 2020-07-28 | 2020-11-13 | 北京市春立正达医疗器械股份有限公司 | Primary total ankle joint prosthesis |
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