CN107157625A - A kind of femoral hip prosthesis bulb prosthese and preparation method thereof - Google Patents
A kind of femoral hip prosthesis bulb prosthese and preparation method thereof Download PDFInfo
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- CN107157625A CN107157625A CN201710512936.6A CN201710512936A CN107157625A CN 107157625 A CN107157625 A CN 107157625A CN 201710512936 A CN201710512936 A CN 201710512936A CN 107157625 A CN107157625 A CN 107157625A
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- bulb
- main body
- spherical outside
- outside surface
- hip prosthesis
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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
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
- A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
-
- 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
- A61F2002/30108—Shapes
- A61F2002/30199—Three-dimensional shapes
- A61F2002/30242—Three-dimensional shapes spherical
-
- 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
- A61F2002/30593—Special structural features of bone or joint prostheses not otherwise provided for hollow
-
- 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
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30795—Blind bores, e.g. of circular cross-section
-
- 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
- A61F2/36—Femoral heads ; Femoral endoprostheses
- A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
- A61F2002/3611—Heads or epiphyseal parts of femur
-
- 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
- A61F2/36—Femoral heads ; Femoral endoprostheses
- A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
- A61F2002/3611—Heads or epiphyseal parts of femur
- A61F2002/3615—Heads or epiphyseal parts of femur having a concave shape, e.g. hemispherical cups
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 invention discloses a kind of femoral hip prosthesis bulb prosthese, it includes bulb main body, spherical outside surface, matrix inner cone or convex inner cone, the bulb main body is the hollow ball shape structure of many hemisphere, spherical outside surface is coated on the sphere of bulb main body, inner cone, which is located on the bottom centre in bulb main body, spherical outside surface, is provided with multiple pits.A kind of femoral hip prosthesis bulb prosthese of the present invention, multiple pits are provided with spherical outside surface (i.e. rubbing surface), liquid in human synovial is stored in pit, therefore when femoral hip prosthesis bulb is with respect to acetabular bone pivoting friction, liquid can be partially formed lubricating film in the friction surface of femoral hip prosthesis bulb in the human body of pit memory storage, so as to reduce the abrasion to bulb friction surface, extend the service life of prosthese.The invention also discloses a kind of preparation method of femoral hip prosthesis bulb prosthese.
Description
Technical field
This patent disclosure relates generally to hip prosthesis field, particularly a kind of femoral hip prosthesis bulb prosthese and its preparation side
Method.
Background technology
Femoral hip prosthesis head lesion is one of most common disease of orthopaedics.In the treatment of femoral hip prosthesis head lesion, often
It can seriously need to change femoral hip prosthesis head prosthesis, especially femoral hip prosthesis bulb prosthese because of caput femoris necrosis situation,
Femoral hip prosthesis bulb prosthese includes whole coxa substitution product and table hip replacement product.In the motion process of human body, hip joint stock
Bone bulb is constantly rotated in acetabular bone so that acetabular bone constantly rubs the sphere of femur bulb.By with hip joint in the market
The surface of femoral ball head prosthesis is smooth sphere, and surface is directly rubbed without any concavo-convex details, therefore femoral ball head prosthesis with mortar cup
Wipe, be easily worn, so as to loosen, influence using effect, femoral ball head prosthesis must also be re-replaced when serious, to trouble
Person brings inconvenience and financial burden.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of femoral hip prosthesis bulb prosthese and preparation method thereof, solution
The problem of certainly femoral hip prosthesis bulb surface is easy to wear.
To achieve the above object, the present invention takes following technical scheme：
A kind of femoral hip prosthesis bulb prosthese, including bulb main body, spherical outside surface, matrix inner cone or convex inner cone, the bulb
Main body is the hollow ball shape structure of many hemisphere, and spherical outside surface is coated on the sphere of bulb main body, and inner cone is located in bulb main body
Multiple pits are provided with bottom centre, spherical outside surface.
Further, the bore of the pit on spherical outside surface is 0.01mm-5mm.
Further, the inner surface of the pit on spherical outside surface is curved surface, and the curved surface is sphere, ellipsoid and nurbs surface
In one kind.
Further, the curved surface type of multiple pits on same spherical outside surface is identical with size；Or, same ectosphere
Multiple pits on face have different curved surface type and/or size.
Further, the material of spherical outside surface is one kind in polyether-ether-ketone and its derivative；The material of bulb main body is poly-
Ether ether ketone and its derivative, cobalt-base alloys, titanium alloy, one kind in ceramics or at least two combinations.
Further, femoral hip prosthesis bulb prosthese also includes inner conical drogue, and the inner conical drogue, which is brought into close contact, to be arranged in matrix
The surface of cone or convex inner cone, the material of interior vertebra set is one kind in polyether-ether-ketone and its derivative.
Further, the material of bulb main body and the material of spherical outside surface are identical, and bulb main body and spherical outside surface are overall
Structure.
Further, the pit on spherical outside surface passes through machining, casting, forging molding, surface treatment or injection
The method of shaping is made.
A kind of preparation method of above-mentioned femoral hip prosthesis bulb prosthese, using be provided with die cavity with it is recessed on spherical outside surface
The adaptable bulge-structure in hole and the mould progress injection molding with high polishing profile,
(1) when the material of bulb main body and spherical outside surface is identical homogenous material, hip joint is made by integrated through injection molding
Femoral ball head prosthesis；
(2) when bulb main body is different from the material of spherical outside surface, after preheating bulb main body, the material of spherical outside surface is passed through into note
Modeling is coated in the bulb main body with smooth surface, so that femoral hip prosthesis bulb prosthese is made.
A kind of preparation method of above-mentioned femoral hip prosthesis bulb prosthese, when the material of bulb main body is metal or ceramic material
During material：
(1) given size, quantity and the primary pit with polished surface of distribution, preheating are prepared on bulb main body surface
Bulb main body；
(2) material of spherical outside surface is moulded in the bulb main body of step (1) by the mold cavity with high polished surface
Surface, forms the spherical outside surface of the pit with natural shrinking, so that femoral hip prosthesis bulb prosthese is made.
Due to using above technical scheme, the present invention has following advantageous effects compared with prior art：
1. a kind of femoral hip prosthesis bulb prosthese of the present invention, is provided with multiple pits on spherical outside surface (i.e. rubbing surface),
Liquid in human synovial is stored in pit, therefore when femoral hip prosthesis bulb is with respect to acetabular bone pivoting friction, it is recessed
Lubricating film can be partially formed in the friction surface of femoral hip prosthesis bulb by cheating liquid in the human body of memory storage, so as to reduce to bulb
The abrasion of friction surface, extends the service life of prosthese.
2. the injection molding process of the spherical outside surface with pit feature of the femoral hip prosthesis bulb prosthese of the present invention
Have the advantages that technique is simple, good product consistency.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the schematic diagram of the embodiment of the total hip replacement femoral ball head prosthesis of the combined material of the present invention；
Fig. 2 is the schematic diagram of the embodiment of the table hip replacement femoral ball head prosthesis of the combined material of the present invention；
Fig. 3 is the schematic diagram of the embodiment of the total hip replacement femoral ball head prosthesis of the homogenous material of the present invention；
Fig. 4 is the schematic diagram of the embodiment of the femoral ball head prosthesis with interior vertebra set of the present invention.
Reference：
Vertebra set in vertebra 4- spherical outside surfaces 5- in 1- femoral ball head prosthesis 2- bulb main bodies 3-
Embodiment
For the purposes of the present invention, technical scheme and advantage are more clearly understood, below against accompanying drawing in conjunction with the embodiments, are
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
A kind of femoral hip prosthesis bulb prosthese of the present invention, including in bulb main body, spherical outside surface, matrix inner cone or convex
Cone, the bulb main body is the hollow ball shape structure of many hemisphere, and spherical outside surface is coated on the sphere of bulb main body, and inner cone is located in ball
Multiple pits are provided with the bottom centre of head main body, spherical outside surface.The interior vertebra and stock of the femoral ball head prosthesis of whole coxa substitution product
Bone handle vertebra head is used cooperatively, therefore is matrix inner cone, and the interior vertebra insertion neck of femur of the femoral ball head prosthesis of table hip replacement product makes
With, therefore be convex inner cone.
In femoral hip prosthesis bulb prosthese in use, rubbing surface is spherical outside surface.The femoral hip prosthesis bulb of the present invention is false
The multiple pits set on the spherical outside surface of body so that liquid can be stored in pit in human synovial, therefore when hip joint stock
When bone bulb is with respect to acetabular bone pivoting friction, in the human body of pit memory storage liquid can femoral hip prosthesis bulb friction surface
(i.e. spherical outside surface) is partially formed lubricating film, so as to reduce the abrasion to spherical outside surface, extends the service life of prosthese.
Preferably, in order in the use of femoral hip prosthesis bulb prosthese have more preferable suitability and comfortableness, spherical outside surface
On pit bore be 0.01mm-5mm, dimpled depth pit maximum caliber.
Preferably, the curved surface of the pit on spherical outside surface includes but is not limited to sphere, ellipsoid, nurbs surface etc..
Preferably, the curved surface type of multiple pits on same spherical outside surface is identical with size；Or, same spherical outside surface
On multiple pits there is different curved surface type and/or size.For example, pit is the ball of (i.e. size is identical) uniform in size
Face, the either various sizes of combination of sphere pit or the combination of sphere pit and ellipsoid pit.
Preferably, multiple pits on spherical outside surface are evenly distributed on thereon, it is further preferred that according to the friction of contact surface
The difference of degree and stress degree, designs the pit curved surface of diverse location, it is preferably adapted to physical activity.
Preferably, the roughness of pit negative camber and the roughness range of spherical outside surface are consistent, meet professional standard value Ra≤
0.05。
Preferably, the material of spherical outside surface is one kind in polyether-ether-ketone and its derivative；The material of bulb main body is polyethers
Ether ketone and its derivative, cobalt-base alloys, titanium alloy, one kind in ceramics or at least two combinations.
It is the embodiment of the total hip replacement femoral ball head prosthesis of combined material as shown in Figure 1.The combined material shown
Total hip replacement femoral ball head prosthesis 1 include bulb main body 2, spherical outside surface 4, the material of matrix inner cone 3, wherein spherical outside surface 4
Expect for polyether-ether-ketone or derivatives thereof, the material of bulb main body 3 is cobalt-base alloys.Uniform fold has multiple pits on spherical outside surface 4,
The curved surface of pit is sphere, and size is identical, and the bore of pit is 0.01mm, and depth is 0.01mm, pit negative camber
Roughness it is consistent with the roughness range of spherical outside surface, and meet professional standard value Ra≤0.05.
It is illustrated in figure 2 the embodiment of the table hip replacement femoral ball head prosthesis of combined material.The combined material shown
Total hip replacement femoral ball head prosthesis 1 include bulb main body 2, spherical outside surface 4, the material of convex inner cone 3, wherein spherical outside surface 4
Expect for polyether-ether-ketone or derivatives thereof, the material of bulb main body 3 is titanium alloy.Covered with multiple pits on spherical outside surface 4, pit
Curved surface type and size are incomplete same, and the curved surface type of its pits includes but is not limited to sphere, ellipsoid, NURBS songs
Face etc., the bore of pit is 0.01-5mm, depth≤5mm, the roughness of pit negative camber and the roughness range of spherical outside surface
Unanimously, professional standard value Ra≤0.05 and is met.
It is illustrated in figure 3 the embodiment of the total hip replacement femoral ball head prosthesis of homogenous material.The homogenous material shown
Total hip replacement femoral ball head prosthesis 1 in bulb main body and spherical outside surface be overall structure, material be polyether-ether-ketone or its spread out
It is biological.Covered with multiple pits on spherical outside surface 4, the curved surface type of pit is ellipsoid, but size is incomplete same, wherein
The bore of pit is 0.01-5mm, depth≤5mm, the roughness of pit negative camber is consistent with the roughness range of spherical outside surface,
And meet professional standard value Ra≤0.05.
It is illustrated in figure 4 the embodiment of the total hip replacement femoral ball head prosthesis of combined material.The combined material shown
Total hip replacement femoral ball head prosthesis 1 include bulb main body 2, spherical outside surface 4, matrix inner cone 3 and inner conical drogue 5, its China and foreign countries
The material of sphere 4 and inner conical drogue 5 is polyether-ether-ketone or derivatives thereof, and the material of bulb main body 3 is ceramics.The overlying of spherical outside surface 4
Multiple pits are stamped, the curved surface type of its pits includes but is not limited to sphere, ellipsoid, nurbs surface etc., the size of pit
It is all identical, it is bore：5mm, depth：3mm, the roughness of pit negative camber is consistent with the roughness range of spherical outside surface, and
Meet professional standard value Ra≤0.05.
In full hip-joint product, vertebra is needed in bulb and the femoral stem vertebra head of metal material is used cooperatively, using polyethers ether
Ketone and its derivative are contacted with metal, can be prevented effectively from contacted with metal because of metal, ceramics contacted with metal present in corrosion
With fretting wear equivalent risk, the service life of product is improved.
In the above-described embodiments, one kind or several suitable for bulb main body, spherical outside surface and inner conical drogue is schematically listed
Material is planted, the material type of middle bulb main body, spherical outside surface and inner conical drogue is not intended to limit the invention.It should be understood that of the invention
Bulb main body, spherical outside surface and the inner conical drogue of femoral ball head prosthesis can be made by any suitable material.
The present invention femoral ball head prosthesis spherical outside surface on pit can through but not limited to machining, casting,
Forging molding, surface treatment or the method for injection molding are made.
When femoral ball head prosthesis is homogenous material, it is made by the method such as injection or machining with pit feature
Spherical outside surface.When bulb is combined material, and spherical outside surface and the bulb main body knot of metal or ceramic material for organic material
During conjunction, using injection or machining etc. method be made with pit feature spherical outside surface, by machining, casting,
Bulb main body is made in the methods such as forging molding.In addition, the smoothness in order to improve spherical outside surface, can also carry out surface to spherical outside surface
Processing, the surface treatment of spherical outside surface includes physical method (polishing etc.) and chemical method (surface modification etc.).
According to one embodiment of present invention, a kind of preparation method of the femoral ball head prosthesis of homogenous material of the invention,
This method includes the bulge-structure being adapted using being provided with die cavity with pit and the mould with high polishing profile is noted
Type is moulded into, the whole femoral ball head prosthesis including the spherical outside surface with pit feature just can be made in single injection-molded.
According to another embodiment of the invention, a kind of preparation side of the femoral ball head prosthesis of combined material of the invention
Method, this method includes：
(1) bulb main body with smooth sphere is put into and is provided with the bulge-structure being adapted with pit and is thrown with high
In the mould in light type face, bulb main body is preheated；
(2) material of spherical outside surface is coated in bulb main body by injection molding, so that being made includes having pit special
Levy and coat the femoral ball head prosthesis of the spherical outside surface of bulb main body.
Always according to an alternative embodiment of the invention, a kind of preparation side of the femoral ball head prosthesis of combined material of the invention
The material of method, wherein bulb main body is metal or ceramic material, and this method includes：
(1) given size, quantity and the primary pit with polished surface of distribution, preheating are prepared on bulb main body surface
Bulb main body；
(2) material of spherical outside surface is moulded in the bulb main body of step (1) by the mold cavity with high polished surface
Surface, forms the spherical outside surface of the pit with natural shrinking, so that femoral hip prosthesis bulb prosthese is made.
The present invention is using the injection characteristic of the organic material difference of local contraction during demoulding, and realizing has pit special
The injection molding for the spherical outside surface levied.
The spherical outside surface with pit feature of the femoral hip prosthesis bulb prosthese of the present invention can be noted by a variety of methods
Type is moulded into, technique is simple, good product consistency.
It should be appreciated that other any bulge-structure designs and manufacture craft, are equal to concave structure technique, at this
In the protection domain of patent.
Implementation described above only expresses embodiments of the present invention, and it describes more specific and in detail, but can not be because
This and be interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art,
On the premise of not departing from present inventive concept, various modifications and improvements can be made, these belong to protection scope of the present invention.
Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of femoral hip prosthesis bulb prosthese, it is characterised in that including：
Bulb main body, the bulb main body is the hollow ball shape structure of many hemisphere；
Spherical outside surface, the spherical outside surface is coated on the sphere of the bulb main body；
Matrix inner cone or convex inner cone, the inner cone are located at the bottom centre in the bulb main body；
Wherein, multiple pits are provided with the spherical outside surface.
2. a kind of femoral hip prosthesis bulb prosthese as claimed in claim 1, it is characterised in that the bore of the pit is
0.01mm-5mm.
3. a kind of femoral hip prosthesis bulb prosthese as claimed in claim 1, it is characterised in that the inner surface of the pit is song
Face, the curved surface is one kind in sphere, ellipsoid and nurbs surface.
4. a kind of femoral hip prosthesis bulb prosthese as claimed in claim 1, it is characterised in that many on the same spherical outside surface
The curved surface type of the individual pit is identical with size；Or, multiple pits on the same spherical outside surface have not
Same curved surface type and/or size.
5. a kind of femoral hip prosthesis bulb prosthese as claimed in claim 1, it is characterised in that
The material of the spherical outside surface is one kind in polyether-ether-ketone and its derivative；
The material of the bulb main body is for one kind in polyether-ether-ketone and its derivative, cobalt-base alloys, titanium alloy, ceramics or at least
Two kinds of combinations.
6. a kind of femoral hip prosthesis bulb prosthese as claimed in claim 5, it is characterised in that the femoral hip prosthesis bulb is false
Body also includes inner conical drogue, and the inner conical drogue is brought into close contact the surface for being arranged on the matrix inner cone or convex inner cone, the interior vertebra
The material of set is one kind in polyether-ether-ketone and its derivative.
7. a kind of femoral hip prosthesis bulb prosthese stated such as claim 5, it is characterised in that the material of the bulb main body and institute
The material for stating spherical outside surface is identical, and the bulb main body and the spherical outside surface are overall structure.
8. a kind of femoral hip prosthesis bulb prosthese as claimed in claim 1, it is characterised in that the pit is added by machinery
Work, casting, forging molding, surface treatment or the method for injection molding are made.
9. a kind of preparation method of femoral hip prosthesis bulb prosthese as claimed in claim 1, it is characterised in that using on die cavity
The mould for being provided with the bulge-structure being adapted with the pit and having high polishing profile carries out injection molding,
(1) when the material of the bulb main body and the spherical outside surface is identical homogenous material, institute is made by integrated through injection molding
State femoral hip prosthesis bulb prosthese；
(2) when the bulb main body is different from the material of the spherical outside surface, preheat after the bulb main body, by the spherical outside surface
Material be coated on by injection in the bulb main body with smooth surface so that it is false that the femoral hip prosthesis bulb is made
Body.
10. a kind of preparation method of femoral hip prosthesis bulb prosthese as claimed in claim 1, it is characterised in that when the ball
When the material of head main body is metal or ceramic material：
(1) given size, quantity and the primary pit with polished surface of distribution, preheating are prepared on the bulb main body surface
The bulb main body；
(2) material of spherical outside surface is moulded in the bulb main body of step (1) by the mold cavity with high polished surface
Surface, forms the spherical outside surface of the pit with natural shrinking, so that the femoral hip prosthesis bulb prosthese is made.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710512936.6A CN107157625A (en) | 2017-06-29 | 2017-06-29 | A kind of femoral hip prosthesis bulb prosthese and preparation method thereof |
| PCT/CN2017/107589 WO2019000735A1 (en) | 2017-06-29 | 2017-10-25 | Hip joint femoral ball head prosthesis and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710512936.6A CN107157625A (en) | 2017-06-29 | 2017-06-29 | A kind of femoral hip prosthesis bulb prosthese and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107157625A true CN107157625A (en) | 2017-09-15 |
Family
ID=59827692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710512936.6A Pending CN107157625A (en) | 2017-06-29 | 2017-06-29 | A kind of femoral hip prosthesis bulb prosthese and preparation method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107157625A (en) |
| WO (1) | WO2019000735A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107595440A (en) * | 2017-09-29 | 2018-01-19 | 北京爱康宜诚医疗器材有限公司 | Acetabular component |
| WO2019000735A1 (en) * | 2017-06-29 | 2019-01-03 | 江苏奥康尼医疗科技发展有限公司 | Hip joint femoral ball head prosthesis and manufacturing method thereof |
| CN110074900A (en) * | 2019-02-01 | 2019-08-02 | 北京爱康宜诚医疗器材有限公司 | Joint gasket prosthese and the articular prosthesis with it |
| CN111616839A (en) * | 2020-06-01 | 2020-09-04 | 北京爱康宜诚医疗器材有限公司 | Replacement prosthesis for semi-hip joint and surgical tool |
| CN111714256A (en) * | 2020-06-12 | 2020-09-29 | 苏州中科生物医用材料有限公司 | High-molecular friction interface femoral head |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019000735A1 (en) * | 2017-06-29 | 2019-01-03 | 江苏奥康尼医疗科技发展有限公司 | Hip joint femoral ball head prosthesis and manufacturing method thereof |
| CN107595440A (en) * | 2017-09-29 | 2018-01-19 | 北京爱康宜诚医疗器材有限公司 | Acetabular component |
| CN107595440B (en) * | 2017-09-29 | 2020-05-29 | 北京爱康宜诚医疗器材有限公司 | Acetabular prosthesis |
| CN110074900A (en) * | 2019-02-01 | 2019-08-02 | 北京爱康宜诚医疗器材有限公司 | Joint gasket prosthese and the articular prosthesis with it |
| CN110074900B (en) * | 2019-02-01 | 2024-04-02 | 北京爱康宜诚医疗器材有限公司 | Joint spacer prosthesis and joint prosthesis with same |
| CN111616839A (en) * | 2020-06-01 | 2020-09-04 | 北京爱康宜诚医疗器材有限公司 | Replacement prosthesis for semi-hip joint and surgical tool |
| CN111714256A (en) * | 2020-06-12 | 2020-09-29 | 苏州中科生物医用材料有限公司 | High-molecular friction interface femoral head |
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