CN106913403B - A kind of artificial hip joint - Google Patents
A kind of artificial hip joint Download PDFInfo
- Publication number
- CN106913403B CN106913403B CN201510991419.2A CN201510991419A CN106913403B CN 106913403 B CN106913403 B CN 106913403B CN 201510991419 A CN201510991419 A CN 201510991419A CN 106913403 B CN106913403 B CN 106913403B
- Authority
- CN
- China
- Prior art keywords
- hip joint
- grade
- artificial hip
- quality
- vestibule
- 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.)
- Active
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
- A61F2/36—Femoral heads ; Femoral endoprostheses
-
- 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
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
- A61F2/3662—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
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
- A61F2/3662—Femoral shafts
- A61F2/367—Proximal or metaphyseal parts of 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
- 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
- A61F2002/3652—Connections of necks to 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
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
- A61F2/3662—Femoral shafts
- A61F2002/3678—Geometrical features
- A61F2002/368—Geometrical features with lateral apertures, bores, holes or openings, e.g. for reducing the mass, for receiving fixation screws or for communicating with the inside of a hollow shaft
-
- 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
- A61F2/3662—Femoral shafts
- A61F2002/3678—Geometrical features
- A61F2002/3694—Geometrical features with longitudinal bores
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to a kind of artificial hip joints.It includes femoral stem (1) and neck of femur (2), it is characterised in that: is provided with L shape through-hole (7) in the head of the femoral stem (1)；The lower part of the neck of femur (2) is mating interior to the L shape through-hole (7)；The middle part appearance surrounding of the femoral stem (1) is enclosed with one layer using adhesive layer (3) made of multilevel hole material；The lower end of the femoral stem (1) consists of two parts, a portion is the cylinder (10) being coaxially disposed with femoral stem (1), another part is the intermittent cyclic annular product (11) being coaxially disposed with femoral stem (1), and the minimum diameter of the intermittent cyclic annular product (11) is greater than the maximum outside diameter of the cylinder (10).Structure of the invention design rationally, has both higher connective stability and biocompatibility, postoperation recovery effect is more preferable after implantation.
Description
Technical field
The present invention relates to human synovial displacement more particularly to a kind of artificial hip joints.
Background technique
Currently, existing artificial hip joint is mostly unitary design, although this structure is with easily processed into type etc. excellent
Point, if but application in occur its individual sites fracture such as neck fracture situation, will will lead to its structure allomeric function lose
Effect, this undoubtedly causes huge waste.In addition, there is also connect between implantation early period and tissue for existing artificial hip joint
Stability is not high, easily loosens, rotates and falls off；Easily occur stress concentration in replacement prosthesis, easily replacement prosthesis is caused to be broken
Failure；The general character problems such as biocompatibility is poor, easily generates and repels with tissue after implantation, and service life is shorter, these are asked
Topic is difficult to whole realizations by optimizing structure design merely.
Porous material has the characteristics such as relative density is low, specific strength is high, specific surface area is high, light-weight, good penetrability, is changing
The numerous areas such as work, medicine have a wide range of applications.In the porous material, multilevel hole material is due to its unique performance --- and it is same
When the advantage with holes at different levels, and there is advantage not available for the material in single hole simultaneously, thus obtained more and more
Concern.For example, mesoporous (aperture 2nm < < 50nm)-micropore (the aperture < of macropore (aperture > 50nm)-with three-dimensional order
2nm) the molecular sieve of structure combines the advantage of multi-stage artery structure and the nanocrystalline the two of molecular sieve, imparts molecular sieve and more open
The three-dimensional open-framework put, while nano molecular sieve crystal substantially reduces mass transfer path, effectively improves institute's score
The materialization activity of son sieve；SiO with hierarchical structure mesopore-macropore2Material can be used as immobilized biomolecule, such as immobilized bacteriolyze
The guest materials of enzyme has the very high rate of adsorption and very big enzyme supported quantity.However, in current prosthetic replacement's prosthese
The porous structure of use is mostly single Porous materials, and the report about selection multilevel hole material is even more extremely limited.This may
Mainly due to existing porous material itself there is also along with porosity raising, structural mechanics intensity can it is significant under
Drop, therefore porosity is generally relatively low, connectivity is lower, is unfavorable for the efficient exchange of substance in tissue, biocompatibility is not
It is good, it is self-possessed heavier, postoperative human feeling is bad and gap is unevenly distributed causes mechanical strength, elasticity modulus etc. unevenly to divide
Cloth, the defects of causing hidden danger of quality.As CN201210185031 discloses a kind of the bionical of multistage (micrometer/nanometer) pore structure
The preparation method of artificial bone, however the three-dimensional multistage pore structure obtained using this method, due to the randomness of its pore structure, are not advised
Then property is not still able to satisfy the functional requirement of biomimetic artificial bone.In addition, as the multilevel hole material for being applied to biomimetic artificial bone,
Need material itself uniform, i.e., pore size, hole are evenly distributed, so that performance uniformity, but in fact, have many more
The requirement, lack of uniformity is not achieved in grade Porous materials；In spite of material call oneself and reached higher uniformity, but it is uniformly
Property is still the uniformity under large volume scale, if carrying out measurement comparison with small size scale, for example takes up an official post in material and takes muti-piece body
Product is not more than one cubic centimetre of said three-dimensional body, surveys its quality respectively, degree of irregularity difference is still very big, therefore causes more
The various performances such as mechanical strength, elasticity modulus of grade Porous materials etc. are uneven, to seriously affect its function.
Summary of the invention
It is reasonable in design the purpose of the present invention is to provide a kind of artificial hip joint, higher company is had both after implantation
Stability and biocompatibility are connect, postoperation recovery effect is more preferable.
The purpose of the present invention is achieved through the following technical solutions:
A kind of artificial hip joint, it includes femoral stem and neck of femur, it is characterised in that: is set in the head of the femoral stem
It is equipped with L shape through-hole；The lower part of the neck of femur is mating to be arrived in the L shape through-hole；The middle part appearance surrounding of the femoral stem
One layer is enclosed with using adhesive layer made of multilevel hole material；The lower end of the femoral stem consists of two parts, wherein one
Part is the cylinder that be coaxially disposed with femoral stem, and another part is the intermittent ring-type product being coaxially disposed with femoral stem, and institute
The minimum diameter for stating intermittent cyclic annular product is greater than the maximum outside diameter of the cylinder.
While stress concentration phenomenon occurs after preventing shank body to be implanted into, for the knot for further enhancing femoral stem distal lower end
Structure intensity, above-mentioned intermittent cyclic annular product at most set that there are four intermittent component parts.
For convenience of the installation positioning operation of product in operation implementation process, the head upper end of above-mentioned femoral stem has additional positioning
Hole.
To meet different patient personalized demands, to reach best installation effect requirement, the lower part of above-mentioned neck of femur is whole
Body is in positive bar shape, and top is set as biasing tilt column；The lower end of above-mentioned neck of femur consists of two parts, and a portion is
Resilient barb, another part are column, and spaced slot is equipped between resilient barb and column；The lower part of above-mentioned neck of femur
It is inserted into above-mentioned L shape through-hole, and resilient barb hook is stuck in the transverse holes on L shape through-hole.The case where according to different patients, leads to
The tilt angle between the length and neck of femur top and the bottom on control neck of femur top is crossed, can make neck of femur that there are many kinds
Variable specification, to adapt to the demand of different patients.
Excellent as further selecting, above-mentioned multilevel hole material used by above-mentioned adhesive layer specifically can be by multistage porous material
Material is constituted, including material body, ontology are the vestibules being classified with material pore size, and around the cavity wall structure for forming vestibule
At vestibule is in uniform distribution, and junior's vestibule is arranged in the cavity wall for constituting higher level's vestibule in three-dimensional space；Vestibules at different levels
It is respectively mutually communicated and vestibule at different levels also penetrates through each other each other, vestibule refers to each vestibule in multi-stage porous material in uniform distribution
It is in uniform distribution under arbitrary unit grade volume on material.
More specifically, above-mentioned multilevel hole material, intrinsic every grade of porous material are certainly a continuous structure body.And
The maximum outer boundary of its every level-one porous material is suitable with the space boundary of entire material body.I.e. every grade of porous material is ok
It is present in ontology as the independent porous material of level-one, and the physical and chemical performance with it alone.Such structure can make
The physical and chemical performance of porous materials at different levels difference has different physical and chemical performances in the entire space of relatively-stationary material,
Preferably meet various functional requirements.
More specifically, the cavity wall of above-mentioned multilevel hole material, higher level's vestibule can be made of next stage porous material, so that
Vestibule is layered step by step, and the structure and pore size of reasonable Arrangement vestibule；The cavity wall of higher level's vestibule can also be by the more of its junior
The grade compound composition of porous material, or constituted by the porous materials at different levels of its junior are compound, so that material meets specific function
It can demand.
More specifically, above-mentioned unit grade volume refers to cubic centimetre grade or cubic millimeter grade or more subsection grade volume.
More specifically, above-mentioned vestibule refers in uniform distribution takes up an official post the volume taken no more than 1 in the multilevel hole material
The said three-dimensional body of the same size of cubic centimetre, their quality are substantially suitable.
More specifically, above-mentioned quality quite refers to vertical no more than 1 in take up an official post multiple volumes for taking of multilevel hole material substantially
The said three-dimensional body of square centimetre of same size claims its quality respectively, obtains the average value of their quality, and any three-dimensional weight phase
The 4% of said three-dimensional body mass average value is not more than for the absolute value of the bias of mass average value.
Conventional medical metal, alloy and the materials such as nonmetallic specifically can be used in above-mentioned multilevel hole material in the present invention
It is made.
The present invention has the following beneficial effects:
(1) the present invention provides a kind of artificial hip joint, neck of femur has a variety of variable specifications, has adapted to different trouble
The individual demand of person；Card effect is hooked by resilient barb and the plug-in type of L shape through-hole between neck of femur and femoral stem in structure,
And connect and be combined together, it is therefore prevented that neck of femur is detached from from femoral stem；And when the situations such as occurs being broken in neck, and it can realize
Neck of femur and femoral stem are separated, avoid causes integrally-built failure to waste because of component failure.In addition, pass through by
The lower end of its femoral stem is arranged to cylinder by being coaxially disposed with femoral stem and is interrupted cyclic annular product two parts to form, and both prevents
Stress concentration phenomenon after having stopped shank body implantation occurs, and enhances the structural strength at the position, avoid in postoperative use because
Stress and be easily deformed.
(2) adhesive layer that appearance is wrapped up in the middle part of its femoral stem, is made of multilevel hole material；The multilevel hole material is that three-dimensional is passed through
Logical (including every grade of hole three-dimensional perforation, holes at different levels three-dimensional perforation mutually), connectivity is greatly improved, and is sufficiently met
Multiple functions demand of the material as biomimetic artificial bone, for example, having both good structural mechanical property and higher hole simultaneously
Rate greatly alleviates dead load, enhances the efficient exchange of substance between tissue, greatly accelerates the convalescence after Miles operation；
And adhered to by the package of this specific region of appearance in the middle part of femoral stem, so that the adhesive layer made of the multilevel hole material,
The phase increases the contact area between its structure and femur before implantation, increases adhesive force, it is therefore prevented that and femoral stem rotates, and
Phase after the implantation due to the distribution mode approximation trabecular bone structure in the multistage gap that its structure mesoporous chamber is constituted, thus is human body
The fast-growth of tissue provide it is good grow into space so that tissue enters the positions such as gaps at different levels, and then form
Multistage grows into robust structure, greatly improves the connective stability of structure, also greatly reduces the rejection of human body, with
And thus the bad impression of bring, healing effect are more preferable.
(3) it is also evenly distributed to the vestibule of multilevel hole material in the present invention and proposes the metric form of specific, concrete, it is clear
It is the pore size distribution uniformity that multilevel hole material is measured under the scale compared with the subsection grade volume, such multilevel hole material is
High uniformity, to ensure that the uniformity consistency of the various performances of multilevel hole material, avoid the internal flaw of selection.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of artificial hip joint described in the embodiment of the present invention 1.
Fig. 2 is the A-A cross-sectional view of femoral stem lower end structure in artificial hip joint described in Fig. 1.
Fig. 3 is the structural schematic diagram of artificial hip joint described in the embodiment of the present invention 2.
Fig. 4 is the A-A cross-sectional view of femoral stem lower end structure in artificial hip joint described in Fig. 3.
Fig. 5 is the structural schematic diagram of artificial hip joint described in the embodiment of the present invention 3.
Specific embodiment
Based on the technical solution of the present invention, following present its detailed embodiment, but protection scope of the present invention
It is not limited only to embodiment disclosed below.When not departing from and changing above-mentioned technical idea of the invention, according to the general of this field
Logical technological know-how and/or customary means, it is clear that the replacement or change of diversified forms can also be made, and the present invention should all be included in
Within the scope of.
Embodiment 1
As shown in Figure of description 1-2, a kind of artificial hip joint, it includes femoral stem 1 and neck of femur 2；Its neck of femur 2
Lower part be integrally in positive bar shape, top is set as biasing tilt column；The lower end of its neck of femur 2 consists of two parts, wherein
A part is resilient barb 4, and another part is column 5, and spaced slot 6 is equipped between resilient barb 4 and column 5；Its
L shape through-hole 7 is provided in the head of femoral stem 1, and the head upper end of the femoral stem 1 has additional location hole 8；Its neck of femur 2
Lower part is inserted into L shape through-hole 7, and the hook of resilient barb 4 is stuck in the transverse holes 9 on L shape through-hole 7；Outside the middle part of its femoral stem 1
Table surrounding is enclosed with one layer using adhesive layer 3 made of multilevel hole material；The lower end of its femoral stem 1 consists of two parts,
A portion is the solid cylinder 10 being coaxially disposed with femoral stem 1, and another part is four be coaxially disposed with femoral stem 1
Intermittent annular shape product 11, and the internal diameter of intermittent circular product 11 is greater than the outer diameter of solid cylinder 10；The present embodiment
Multilevel hole material used by middle adhesive layer 3 is POROUS TITANIUM, has three-level hole, wherein the first order for being uniformly distributed, being mutually communicated
There is the second level vestibule for being uniformly distributed, being mutually communicated in the cavity wall of vestibule, is uniformly distributed in the cavity wall of second level vestibule, mutually
The third level vestibule of perforation；And vestibules at different levels also penetrate through each other each other, the perforation is three-dimensional perforation.Every grade of porous material
From for a continuous structure body, the maximum outer boundary of every level-one porous material is suitable with entire material body space boundary, and every grade more
Porous materials have physical and chemical performance alone.Total effective drainage porosity is 75%, and first order hole average pore size is 450 μm, in the first order
There is the second level hole of 30 μm of average pore size of perforation in the cavity wall in hole, there is average pore size 670nm's in the cavity wall in second level hole
The third level hole of perforation.
Taken up an official post with conventional machining method in the POROUS TITANIUM and takes the three-dimensional of the identical size of 9 10mm × 10mm × 10mm
Body tests its quality with plum Teller-support benefit XP26Microbalance balance, and the results are shown in Table 1, wherein relative to flat
The absolute value of the bias of mean value is expressed as a percentage, and value is the absolute value of the bias relative to average value divided by mass average value, by
Table 1 is it is found that its mass deviation is not more than 4%.
Table 1
| Piece number | Quality (mg) | Absolute value of the bias (%) relative to average value |
| 1 | 1156.184 | 1.4% |
| 2 | 1135.077 | 3.2% |
| 3 | 1151.493 | 1.8% |
| 4 | 1157.356 | 1.3% |
| 5 | 1145.630 | 2.3% |
| 6 | 1217.159 | 3.8% |
| 7 | 1197.225 | 2.1% |
| 8 | 1191.362 | 1.6% |
| 9 | 1201.915 | 2.5% |
| Mass average value | 1172.600 |
The preparation method of this kind of POROUS TITANIUM is:
(1) material prepares
Using partial size for 2 μm of titanium valve is raw material, minimum one of the starch as multilevel hole material to be made that partial size is 770nm
The pore creating material of grade vestibule, uses the stearic acid that partial size is 770nm as adhesive, according to titanium valve: starch: stearic acid: distilled water is pressed
Volume ratio 3:1:1:11 is configured to slurry.
It uses rib diameter for 30 μm of polyester form, the slurry is uniformly filled wherein with foam impregnation method, forms base
Then body and drying are crushed and obtain the hybrid particles containing raw material, pore creating material and polyester form that particle is 30 μm.
It (2) is that 3:1 equably pours into rib after evenly mixing by volume for 30 μm of methylcellulose by hybrid particles, partial size
In the polyester form of three-dimensional perforation that diameter is 560 ± 20 μm, aperture is 400 ± 15 μm, then polyester form is put into closed
Mold is pressed into dense green.
(3) by dense green vacuum-sintering；Sintered green body carries out conventional subsequent heat treatment according to titanium technique and obtains
POROUS TITANIUM with three-level hole.
This kind of POROUS TITANIUM is grown into as bone-regeneration material, first order pore size particularly suitable for meeting the vital tissues such as blood vessel
Demand；Second level hole is lived away from home particularly suitable for various kinds of cell；Third level hole is particularly conducive to meet thin because of its a large amount of nano-pore
The sticking of born of the same parents, differentiation demand, and specific surface area is very big, many growth factors can be loaded, the adhesive force between femur is also more
By force, moreover, the connectivity in hole is good, holes at different levels are respectively mutually communicated and hole at different levels also penetrates through each other each other, can sufficiently be met
Blood, the infiltration of tissue fluid, transmission realize the discharge of protein degradation products and metabolism product, therefore it is a kind of true
Positive bone-regeneration material.In addition, according to the actual conditions of different patients, the length of selection control 2 top of neck of femur biasing tilt column
The tilt angle A between L and 2 top and the bottom of neck of femur is spent, i.e., so that neck of femur 2 is provided with a variety of variable specifications, is adapted to
The individual demand of different patients.
Embodiment 2
As shown in Figure of description 3-4, a kind of artificial hip joint, it includes femoral stem 1 and neck of femur 2；Its neck of femur 2
Lower part be integrally in positive bar shape, top is set as biasing tilt column；The lower end of its neck of femur 2 consists of two parts, wherein
A part is resilient barb 4, and another part is column 5, and spaced slot 6 is equipped between resilient barb 4 and column 5；Its
L shape through-hole 7 is provided in the head of femoral stem 1；The lower part of its neck of femur 2 is inserted into L shape through-hole 7, and resilient barb 4 hooks card
In the transverse holes 9 on L shape through-hole 7；The middle part appearance surrounding of its femoral stem 1 is enclosed with one layer using made of multilevel hole material
Adhesive layer 3；The lower end of its femoral stem 1 consists of two parts, and a portion is the solid square being coaxially disposed with femoral stem 1
Cylinder 10, another part are two intermittent circular products 11 be coaxially disposed with femoral stem 1, and intermittent annular shape product
11 internal diameter is greater than the maximum outside diameter of solid square body 10；Multilevel hole material used by adhesive layer 3 is porous in the present embodiment
Tantalum has three-level hole, wherein is uniformly distributed, has in the cavity wall of first order vestibule that is mutually communicated and to be uniformly distributed, be mutually communicated
Second level vestibule has the third level vestibule for being uniformly distributed, being mutually communicated in the cavity wall of second level vestibule；And vestibule at different levels is mutual
Also it penetrates through each other, the perforation is three-dimensional perforation；Every grade of porous material is certainly a continuous structure body, every level-one porous material
Maximum outer boundary is suitable with entire material body space boundary, and every grade of porous material has physical and chemical performance alone.Total effective hole
Gap rate is 80%, and first order hole average pore size is 510 μm, there is the of 25 μm of average pore size of perforation in the cavity wall in first order hole
Second hole, the third level hole for thering is average pore size 780nm to penetrate through in the cavity wall in second level hole.
Taken up an official post with conventional machining method in the multilevel hole material and takes the identical size of 9 10mm × 10mm × 10mm
Said three-dimensional body tests its quality with plum Teller-support benefit XP26Microbalance balance, and the results are shown in Table 2, wherein opposite
It is expressed as a percentage in the absolute value of the bias of average value, value is average divided by quality for the absolute value of the bias relative to average value
Value, as shown in Table 2, mass deviation are not more than 4%.
Table 2
| Piece number | Quality (mg) | Absolute value of the bias (%) relative to average value |
| 1 | 3282.624 | 1.6% |
| 2 | 3292.63 | 1.3% |
| 3 | 3242.592 | 2.8% |
| 4 | 3265.944 | 2.1% |
| 5 | 3285.960 | 1.5% |
| 6 | 3469.440 | 4% |
| 7 | 3409.392 | 2.2% |
| 8 | 3396.048 | 1.8% |
| 9 | 3379.368 | 1.3% |
| Mass average value | 3336 |
The preparation method of this kind of material is:
(1) material prepares
The polystyrene sphere that partial size is 900 ± 30nm is chosen, the colloid template to form three-dimensional order arrangement is assembled,
Tantalum nanocrystal solution is prepared, tantalum nanocrystal solution is introduced into three-dimensional colloid template made of polystyrene sphere, by three-dimensional glue
Body template/tantalum nanocrystal solution mixture is dry, is then broken for the particle that partial size is 5 μm；
(2) taking partial size is the starch of 900 ± 30nm, mixes according to weight ratio 1:40 with distilled water, starch solution is made,
Slurry is made according to weight ratio 12:1:8 in above-mentioned particle, the ethyl cellulose that partial size is 35 μm and starch solution, equably
It is impregnated on the polyester form that aperture is 600 ± 20 μm；
(3) polyester form after dipping is sintered in vacuum or protective atmosphere, is carried out according still further to tantalum technique conventional subsequent
The porous tantalum with three-level hole is made in processing.
Similar to embodiment 1, this kind of material is particularly suitable for doing bone-regeneration material；In when occur neck fracture etc. feelings
It when shape, can be protruded into transverse holes 9, resilient barb 4 be pushed to 6 side of spaced slot, so that resilient barb 4 and cross with tool
Card effect is hooked to losing between hole 9, that is, realizes and separates neck of femur 2 and femoral stem 1, is avoided because of portions such as neck fractures
Part fails and integrally-built failure is caused to waste.
Embodiment 3
As shown in Figure of description 5, a kind of artificial hip joint, it includes femoral stem 1 and neck of femur 2；Its femoral stem 1
L shape through-hole 7 is provided in head；The lower part of its neck of femur 2 is positive cylinder, and top is biasing tilt column；The lower part of its neck of femur 2
It is plugged into via interference fit in L shape through-hole 7；The middle part appearance surrounding of its femoral stem 1 is enclosed with one layer and uses multi-stage porous material
Adhesive layer 3 made of expecting；The lower end of its femoral stem 1 consists of two parts, and a portion is to be coaxially disposed with femoral stem 1
Solid cylinder 10, another part is four intermittent annular shape products 11 be coaxially disposed with femoral stem 1, and intermittent circle
The internal diameter of cyclic annular product 11 is greater than the outer diameter of solid cylinder 10；In the present embodiment multilevel hole material used by adhesive layer 3 with
Embodiment 1 is identical.
It in when there are the situations such as neck fracture, can be protruded into tool in transverse holes 9, by 2 lower part of neck of femur to L shape
7 upper end of through-hole is enforced, that is, be may make and lost mating reaction between 2 lower part of neck of femur and L shape through-hole 7, that is, realize stock
Bone neck 2 is separated with femoral stem 1.
Claims (69)
1. a kind of artificial hip joint, it includes femoral stem (1) and neck of femur (2), it is characterised in that: the femoral stem (1)
L shape through-hole (7) is provided in head；The lower part of the neck of femur (2) is mating interior to the L shape through-hole (7)；The femur
The middle part appearance surrounding of handle (1) is enclosed with one layer using adhesive layer (3) made of multilevel hole material；Under the femoral stem (1)
Portion end consists of two parts, and a portion is the cylinder (10) being coaxially disposed with femoral stem (1), and another part is and femur
The intermittent cyclic annular product (11) of handle (1) coaxial arrangement, and the minimum diameter of the intermittent cyclic annular product (11) is greater than described
The maximum outside diameter of cylinder (10).
2. artificial hip joint as described in claim 1, it is characterised in that: there are four the intermittent cyclic annular product (11) at most sets
Intermittent component part.
3. artificial hip joint as claimed in claim 1 or 2, it is characterised in that: the head upper end of the femoral stem (1) has additional fixed
Position hole (8).
4. artificial hip joint as claimed in claim 1 or 2, it is characterised in that: the lower part of the neck of femur (2) is integrally in positive cylinder
Shape, top are set as biasing tilt column；The lower end of the neck of femur (2) consists of two parts, and a portion is fallen for elasticity
Hook (4), another part are column (5), and are equipped with spaced slot (6) between resilient barb (4) and column (5)；The stock
The lower part of bone neck (2) is inserted into the L shape through-hole (7), and resilient barb (4) hooks the transverse holes being stuck on L shape through-hole (7)
(9) in.
5. artificial hip joint as claimed in claim 3, it is characterised in that: the lower part of the neck of femur (2) is integrally in positive bar shape,
Top is set as biasing tilt column；The lower end of the neck of femur (2) consists of two parts, and a portion is resilient barb
(4), another part is column (5), and is equipped with spaced slot (6) between resilient barb (4) and column (5)；The femur
The lower part of neck (2) is inserted into the L shape through-hole (7), and resilient barb (4) hooks the transverse holes (9) being stuck on L shape through-hole (7)
It is interior.
6. artificial hip joint as claimed in claim 1 or 2, it is characterised in that: the multilevel hole material, by multistage porous material structure
At, including material body, ontology are the vestibules being classified with material pore size, and are constituted around the cavity wall for forming vestibule,
Its vestibule is in uniform distribution, and junior's vestibule is arranged in the cavity wall for constituting higher level's vestibule in three-dimensional space；Vestibules at different levels are equal
It is respectively mutually communicated and vestibule at different levels also penetrates through each other each other, vestibule refers to each vestibule in multilevel hole material in uniform distribution
It is in uniform distribution under upper arbitrary unit grade volume.
7. artificial hip joint as claimed in claim 3, it is characterised in that: the multilevel hole material is made of multistage porous material,
Including material body, ontology is the vestibule being classified with material pore size, and is constituted around the cavity wall for forming vestibule, hole
Chamber is in uniform distribution, and junior's vestibule is arranged in the cavity wall for constituting higher level's vestibule in three-dimensional space；Vestibules at different levels are respective
It is mutually communicated and vestibule at different levels also penetrates through each other each other, vestibule refers to that each vestibule is taken up an official post in multilevel hole material in uniform distribution
It is in uniform distribution under unit grade volume of anticipating.
8. artificial hip joint as claimed in claim 4, it is characterised in that: the multilevel hole material is made of multistage porous material,
Including material body, ontology is the vestibule being classified with material pore size, and is constituted around the cavity wall for forming vestibule, hole
Chamber is in uniform distribution, and junior's vestibule is arranged in the cavity wall for constituting higher level's vestibule in three-dimensional space；Vestibules at different levels are respective
It is mutually communicated and vestibule at different levels also penetrates through each other each other, vestibule refers to that each vestibule is taken up an official post in multilevel hole material in uniform distribution
It is in uniform distribution under unit grade volume of anticipating.
9. artificial hip joint as claimed in claim 5, it is characterised in that: the multilevel hole material is made of multistage porous material,
Including material body, ontology is the vestibule being classified with material pore size, and is constituted around the cavity wall for forming vestibule, hole
Chamber is in uniform distribution, and junior's vestibule is arranged in the cavity wall for constituting higher level's vestibule in three-dimensional space；Vestibules at different levels are respective
It is mutually communicated and vestibule at different levels also penetrates through each other each other, vestibule refers to that each vestibule is taken up an official post in multilevel hole material in uniform distribution
It is in uniform distribution under unit grade volume of anticipating.
10. artificial hip joint as claimed in claim 6, it is characterised in that: the multilevel hole material, intrinsic every grade more
Porous materials are from being a continuous structure body, and the space boundary of the maximum outer boundary of its every level-one porous material and entire material body
Quite；Every grade of porous material has physical and chemical performance alone in material body.
11. artificial hip joint as claimed in claim 7, it is characterised in that: the multilevel hole material, intrinsic every grade more
Porous materials are from being a continuous structure body, and the space boundary of the maximum outer boundary of its every level-one porous material and entire material body
Quite；Every grade of porous material has physical and chemical performance alone in material body.
12. artificial hip joint as claimed in claim 8, it is characterised in that: the multilevel hole material, intrinsic every grade more
Porous materials are from being a continuous structure body, and the space boundary of the maximum outer boundary of its every level-one porous material and entire material body
Quite；Every grade of porous material has physical and chemical performance alone in material body.
13. artificial hip joint as claimed in claim 9, it is characterised in that: the multilevel hole material, intrinsic every grade more
Porous materials are from being a continuous structure body, and the space boundary of the maximum outer boundary of its every level-one porous material and entire material body
Quite；Every grade of porous material has physical and chemical performance alone in material body.
14. artificial hip joint as claimed in claim 6, it is characterised in that: the cavity wall of higher level's vestibule in the multilevel hole material, or
It is made of, or is constituted by the multistage porous material of its junior is compound, or by the at different levels porous of its junior next stage porous material
Material cladding is constituted.
15. artificial hip joint as claimed in claim 7, it is characterised in that: the cavity wall of higher level's vestibule in the multilevel hole material, or
It is made of, or is constituted by the multistage porous material of its junior is compound, or by the at different levels porous of its junior next stage porous material
Material cladding is constituted.
16. artificial hip joint as claimed in claim 8, it is characterised in that: the cavity wall of higher level's vestibule in the multilevel hole material, or
It is made of, or is constituted by the multistage porous material of its junior is compound, or by the at different levels porous of its junior next stage porous material
Material cladding is constituted.
17. artificial hip joint as claimed in claim 9, it is characterised in that: the cavity wall of higher level's vestibule in the multilevel hole material, or
It is made of, or is constituted by the multistage porous material of its junior is compound, or by the at different levels porous of its junior next stage porous material
Material cladding is constituted.
18. artificial hip joint as claimed in claim 10, it is characterised in that: the cavity wall of higher level's vestibule in the multilevel hole material,
Or it is made of next stage porous material, or constituted by the multistage porous material of its junior is compound, or by the at different levels more of its junior
The compound composition of Porous materials.
19. artificial hip joint as claimed in claim 11, it is characterised in that: the cavity wall of higher level's vestibule in the multilevel hole material,
Or it is made of next stage porous material, or constituted by the multistage porous material of its junior is compound, or by the at different levels more of its junior
The compound composition of Porous materials.
20. artificial hip joint as claimed in claim 12, it is characterised in that: the cavity wall of higher level's vestibule in the multilevel hole material,
Or it is made of next stage porous material, or constituted by the multistage porous material of its junior is compound, or by the at different levels more of its junior
The compound composition of Porous materials.
21. artificial hip joint as claimed in claim 13, it is characterised in that: the cavity wall of higher level's vestibule in the multilevel hole material,
Or it is made of next stage porous material, or constituted by the multistage porous material of its junior is compound, or by the at different levels more of its junior
The compound composition of Porous materials.
22. artificial hip joint as claimed in claim 6, it is characterised in that: the unit grade volume refers to cubic centimetre grade or vertical
Square millimeter grade or more subsection grade volume.
23. artificial hip joint as claimed in claim 7, it is characterised in that: the unit grade volume refers to cubic centimetre grade or vertical
Square millimeter grade or more subsection grade volume.
24. artificial hip joint as claimed in claim 8, it is characterised in that: the unit grade volume refers to cubic centimetre grade or vertical
Square millimeter grade or more subsection grade volume.
25. artificial hip joint as claimed in claim 9, it is characterised in that: the unit grade volume refers to cubic centimetre grade or vertical
Square millimeter grade or more subsection grade volume.
26. artificial hip joint as claimed in claim 10, it is characterised in that: the unit grade volume refers to cubic centimetre grade or vertical
Square millimeter grade or more subsection grade volume.
27. artificial hip joint as claimed in claim 11, it is characterised in that: the unit grade volume refers to cubic centimetre grade or vertical
Square millimeter grade or more subsection grade volume.
28. artificial hip joint as claimed in claim 12, it is characterised in that: the unit grade volume refers to cubic centimetre grade or vertical
Square millimeter grade or more subsection grade volume.
29. artificial hip joint as claimed in claim 13, it is characterised in that: the unit grade volume refers to cubic centimetre grade or vertical
Square millimeter grade or more subsection grade volume.
30. artificial hip joint as claimed in claim 14, it is characterised in that: the unit grade volume refers to cubic centimetre grade or vertical
Square millimeter grade or more subsection grade volume.
31. artificial hip joint as claimed in claim 15, it is characterised in that: the unit grade volume refers to cubic centimetre grade or vertical
Square millimeter grade or more subsection grade volume.
32. artificial hip joint as claimed in claim 16, it is characterised in that: the unit grade volume refers to cubic centimetre grade or vertical
Square millimeter grade or more subsection grade volume.
33. artificial hip joint as claimed in claim 17, it is characterised in that: the unit grade volume refers to cubic centimetre grade or vertical
Square millimeter grade or more subsection grade volume.
34. artificial hip joint as claimed in claim 18, it is characterised in that: the unit grade volume refers to cubic centimetre grade or vertical
Square millimeter grade or more subsection grade volume.
35. artificial hip joint as claimed in claim 19, it is characterised in that: the unit grade volume refers to cubic centimetre grade or vertical
Square millimeter grade or more subsection grade volume.
36. artificial hip joint as claimed in claim 20, it is characterised in that: the unit grade volume refers to cubic centimetre grade or vertical
Square millimeter grade or more subsection grade volume.
37. artificial hip joint as claimed in claim 21, it is characterised in that: the unit grade volume refers to cubic centimetre grade or vertical
Square millimeter grade or more subsection grade volume.
38. artificial hip joint as claimed in claim 22, it is characterised in that: the vestibule refers in uniform distribution in the multistage
Porous materials take up an official post the volume taken no more than 1 cubic centimetre and each said three-dimensional body of same size, their quality are substantially suitable.
39. artificial hip joint as claimed in claim 23, it is characterised in that: the vestibule refers in uniform distribution in the multistage
Porous materials take up an official post the volume taken no more than 1 cubic centimetre and each said three-dimensional body of same size, their quality are substantially suitable.
40. artificial hip joint as claimed in claim 24, it is characterised in that: the vestibule refers in uniform distribution in the multistage
Porous materials take up an official post the volume taken no more than 1 cubic centimetre and each said three-dimensional body of same size, their quality are substantially suitable.
41. artificial hip joint as claimed in claim 25, it is characterised in that: the vestibule refers in uniform distribution in the multistage
Porous materials take up an official post the volume taken no more than 1 cubic centimetre and each said three-dimensional body of same size, their quality are substantially suitable.
42. artificial hip joint as claimed in claim 26, it is characterised in that: the vestibule refers in uniform distribution in the multistage
Porous materials take up an official post the volume taken no more than 1 cubic centimetre and each said three-dimensional body of same size, their quality are substantially suitable.
43. artificial hip joint as claimed in claim 27, it is characterised in that: the vestibule refers in uniform distribution in the multistage
Porous materials take up an official post the volume taken no more than 1 cubic centimetre and each said three-dimensional body of same size, their quality are substantially suitable.
44. artificial hip joint as claimed in claim 28, it is characterised in that: the vestibule refers in uniform distribution in the multistage
Porous materials take up an official post the volume taken no more than 1 cubic centimetre and each said three-dimensional body of same size, their quality are substantially suitable.
45. artificial hip joint as claimed in claim 29, it is characterised in that: the vestibule refers in uniform distribution in the multistage
Porous materials take up an official post the volume taken no more than 1 cubic centimetre and each said three-dimensional body of same size, their quality are substantially suitable.
46. artificial hip joint as claimed in claim 30, it is characterised in that: the vestibule refers in uniform distribution in the multistage
Porous materials take up an official post the volume taken no more than 1 cubic centimetre and each said three-dimensional body of same size, their quality are substantially suitable.
47. artificial hip joint as claimed in claim 31, it is characterised in that: the vestibule refers in uniform distribution in the multistage
Porous materials take up an official post the volume taken no more than 1 cubic centimetre and each said three-dimensional body of same size, their quality are substantially suitable.
48. artificial hip joint as claimed in claim 32, it is characterised in that: the vestibule refers in uniform distribution in the multistage
Porous materials take up an official post the volume taken no more than 1 cubic centimetre and each said three-dimensional body of same size, their quality are substantially suitable.
49. artificial hip joint as claimed in claim 33, it is characterised in that: the vestibule refers in uniform distribution in the multistage
Porous materials take up an official post the volume taken no more than 1 cubic centimetre and each said three-dimensional body of same size, their quality are substantially suitable.
50. artificial hip joint as claimed in claim 34, it is characterised in that: the vestibule refers in uniform distribution in the multistage
Porous materials take up an official post the volume taken no more than 1 cubic centimetre and each said three-dimensional body of same size, their quality are substantially suitable.
51. artificial hip joint as claimed in claim 35, it is characterised in that: the vestibule refers in uniform distribution in the multistage
Porous materials take up an official post the volume taken no more than 1 cubic centimetre and each said three-dimensional body of same size, their quality are substantially suitable.
52. artificial hip joint as claimed in claim 36, it is characterised in that: the vestibule refers in uniform distribution in the multistage
Porous materials take up an official post the volume taken no more than 1 cubic centimetre and each said three-dimensional body of same size, their quality are substantially suitable.
53. artificial hip joint as claimed in claim 37, it is characterised in that: the vestibule refers in uniform distribution in the multistage
Porous materials take up an official post the volume taken no more than 1 cubic centimetre and each said three-dimensional body of same size, their quality are substantially suitable.
54. artificial hip joint as claimed in claim 38, it is characterised in that: the quality quite refers in multilevel hole material substantially
The multiple volumes taken of taking up an official post are not more than the said three-dimensional body of 1 cubic centimetre of same size, claim its quality respectively, obtain their quality
Average value, and any three-dimensional weight is not more than said three-dimensional body mass average value relative to the absolute value of the bias of mass average value
4%。
55. artificial hip joint as claimed in claim 39, it is characterised in that: the quality quite refers in multilevel hole material substantially
The multiple volumes taken of taking up an official post are not more than the said three-dimensional body of 1 cubic centimetre of same size, claim its quality respectively, obtain their quality
Average value, and any three-dimensional weight is not more than said three-dimensional body mass average value relative to the absolute value of the bias of mass average value
4%。
56. artificial hip joint as claimed in claim 40, it is characterised in that: the quality quite refers in multilevel hole material substantially
The multiple volumes taken of taking up an official post are not more than the said three-dimensional body of 1 cubic centimetre of same size, claim its quality respectively, obtain their quality
Average value, and any three-dimensional weight is not more than said three-dimensional body mass average value relative to the absolute value of the bias of mass average value
4%。
57. the artificial hip joint as described in claim 41, it is characterised in that: the quality quite refers in multilevel hole material substantially
The multiple volumes taken of taking up an official post are not more than the said three-dimensional body of 1 cubic centimetre of same size, claim its quality respectively, obtain their quality
Average value, and any three-dimensional weight is not more than said three-dimensional body mass average value relative to the absolute value of the bias of mass average value
4%。
58. the artificial hip joint as described in claim 42, it is characterised in that: the quality quite refers in multilevel hole material substantially
The multiple volumes taken of taking up an official post are not more than the said three-dimensional body of 1 cubic centimetre of same size, claim its quality respectively, obtain their quality
Average value, and any three-dimensional weight is not more than said three-dimensional body mass average value relative to the absolute value of the bias of mass average value
4%。
59. the artificial hip joint as described in claim 43, it is characterised in that: the quality quite refers in multilevel hole material substantially
The multiple volumes taken of taking up an official post are not more than the said three-dimensional body of 1 cubic centimetre of same size, claim its quality respectively, obtain their quality
Average value, and any three-dimensional weight is not more than said three-dimensional body mass average value relative to the absolute value of the bias of mass average value
4%。
60. the artificial hip joint as described in claim 44, it is characterised in that: the quality quite refers in multilevel hole material substantially
The multiple volumes taken of taking up an official post are not more than the said three-dimensional body of 1 cubic centimetre of same size, claim its quality respectively, obtain their quality
Average value, and any three-dimensional weight is not more than said three-dimensional body mass average value relative to the absolute value of the bias of mass average value
4%。
61. the artificial hip joint as described in claim 45, it is characterised in that: the quality quite refers in multilevel hole material substantially
The multiple volumes taken of taking up an official post are not more than the said three-dimensional body of 1 cubic centimetre of same size, claim its quality respectively, obtain their quality
Average value, and any three-dimensional weight is not more than said three-dimensional body mass average value relative to the absolute value of the bias of mass average value
4%。
62. the artificial hip joint as described in claim 46, it is characterised in that: the quality quite refers in multilevel hole material substantially
The multiple volumes taken of taking up an official post are not more than the said three-dimensional body of 1 cubic centimetre of same size, claim its quality respectively, obtain their quality
Average value, and any three-dimensional weight is not more than said three-dimensional body mass average value relative to the absolute value of the bias of mass average value
4%。
63. the artificial hip joint as described in claim 47, it is characterised in that: the quality quite refers in multilevel hole material substantially
The multiple volumes taken of taking up an official post are not more than the said three-dimensional body of 1 cubic centimetre of same size, claim its quality respectively, obtain their quality
Average value, and any three-dimensional weight is not more than said three-dimensional body mass average value relative to the absolute value of the bias of mass average value
4%。
64. the artificial hip joint as described in claim 48, it is characterised in that: the quality quite refers in multilevel hole material substantially
The multiple volumes taken of taking up an official post are not more than the said three-dimensional body of 1 cubic centimetre of same size, claim its quality respectively, obtain their quality
Average value, and any three-dimensional weight is not more than said three-dimensional body mass average value relative to the absolute value of the bias of mass average value
4%。
65. the artificial hip joint as described in claim 49, it is characterised in that: the quality quite refers in multilevel hole material substantially
The multiple volumes taken of taking up an official post are not more than the said three-dimensional body of 1 cubic centimetre of same size, claim its quality respectively, obtain their quality
Average value, and any three-dimensional weight is not more than said three-dimensional body mass average value relative to the absolute value of the bias of mass average value
4%。
66. the artificial hip joint as described in claim 50, it is characterised in that: the quality quite refers in multilevel hole material substantially
The multiple volumes taken of taking up an official post are not more than the said three-dimensional body of 1 cubic centimetre of same size, claim its quality respectively, obtain their quality
Average value, and any three-dimensional weight is not more than said three-dimensional body mass average value relative to the absolute value of the bias of mass average value
4%。
67. the artificial hip joint as described in claim 51, it is characterised in that: the quality quite refers in multilevel hole material substantially
The multiple volumes taken of taking up an official post are not more than the said three-dimensional body of 1 cubic centimetre of same size, claim its quality respectively, obtain their quality
Average value, and any three-dimensional weight is not more than said three-dimensional body mass average value relative to the absolute value of the bias of mass average value
4%。
68. the artificial hip joint as described in claim 52, it is characterised in that: the quality quite refers in multilevel hole material substantially
The multiple volumes taken of taking up an official post are not more than the said three-dimensional body of 1 cubic centimetre of same size, claim its quality respectively, obtain their quality
Average value, and any three-dimensional weight is not more than said three-dimensional body mass average value relative to the absolute value of the bias of mass average value
4%。
69. the artificial hip joint as described in claim 53, it is characterised in that: the quality quite refers in multilevel hole material substantially
The multiple volumes taken of taking up an official post are not more than the said three-dimensional body of 1 cubic centimetre of same size, claim its quality respectively, obtain their quality
Average value, and any three-dimensional weight is not more than said three-dimensional body mass average value relative to the absolute value of the bias of mass average value
4%。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991419.2A CN106913403B (en) | 2015-12-25 | 2015-12-25 | A kind of artificial hip joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991419.2A CN106913403B (en) | 2015-12-25 | 2015-12-25 | A kind of artificial hip joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106913403A CN106913403A (en) | 2017-07-04 |
| CN106913403B true CN106913403B (en) | 2019-02-19 |
Family
ID=59459027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510991419.2A Active CN106913403B (en) | 2015-12-25 | 2015-12-25 | A kind of artificial hip joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106913403B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5702482A (en) * | 1991-11-19 | 1997-12-30 | Zimmer, Inc. | Implant fixation stem |
| CN101677860A (en) * | 2006-12-12 | 2010-03-24 | 精密技术公司 | Constrained liner lock ring and polyethylene liner are fit to parts |
| CN201806801U (en) * | 2010-09-21 | 2011-04-27 | 北京爱康宜诚医疗器材股份有限公司 | Furcal femoral handle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100932949B1 (en) * | 2008-07-14 | 2009-12-21 | 한국기계연구원 | Porous ceramic ball including hierarchically porous structure and the preparation method thereof |
| WO2011091466A1 (en) * | 2010-02-01 | 2011-08-04 | Maxx Health Inc | Artificial joint component having hollow interior and means for load dissipation |
-
2015
- 2015-12-25 CN CN201510991419.2A patent/CN106913403B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5702482A (en) * | 1991-11-19 | 1997-12-30 | Zimmer, Inc. | Implant fixation stem |
| CN101677860A (en) * | 2006-12-12 | 2010-03-24 | 精密技术公司 | Constrained liner lock ring and polyethylene liner are fit to parts |
| CN201806801U (en) * | 2010-09-21 | 2011-04-27 | 北京爱康宜诚医疗器材股份有限公司 | Furcal femoral handle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106913403A (en) | 2017-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW201519851A (en) | Intervertebral implant | |
| CN106474554B (en) | Porous metal material and preparation method thereof | |
| CN106943213A (en) | A kind of bionical Invasive lumbar fusion device | |
| CN106913398B (en) | A kind of hip-joint replacement prosthesis | |
| CN113101410A (en) | Tricalcium phosphate support with uniform mesopore and three-dimensional communicated hierarchical pore structure as well as preparation method and application of tricalcium phosphate support | |
| CN106913402B (en) | A kind of modular hip prosthesis | |
| CN101716368A (en) | Porous titanium artificial bone for restoring bone tissue and preparation method thereof | |
| CN106880422B (en) | A kind of shoulder joint prosthesis | |
| CN106913403B (en) | A kind of artificial hip joint | |
| CN106913395B (en) | A kind of bion hip joint | |
| CN106913399B (en) | A kind of buffer-type hip joint | |
| CN106913397B (en) | A kind of Simple hip joint | |
| CN106880419B (en) | A kind of hip prosthesis | |
| CN106880424A (en) | A kind of artificial shoulder joint prosthesis | |
| CN106913396B (en) | A kind of implantation hip joint | |
| CN106466493A (en) | A kind of multilevel hole material | |
| CN106880421B (en) | A kind of artificial hip joint | |
| CN106913401B (en) | A kind of multisection type hip joint | |
| CN106913404B (en) | A kind of compound hip joint | |
| CN106880420B (en) | A kind of bionic hip-joint | |
| CN108201635B (en) | Support for repairing articular subchondral bone | |
| CN106923938A (en) | A kind of bionical acetabular component | |
| CN106923939A (en) | A kind of combined type acetabular component | |
| CN107198596B (en) | Acetabular cup | |
| CN106943214A (en) | A kind of light-duty Invasive lumbar fusion device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |