CN106880420A - A kind of bionic hip-joint - Google Patents
A kind of bionic hip-joint Download PDFInfo
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- CN106880420A CN106880420A CN201510943888.7A CN201510943888A CN106880420A CN 106880420 A CN106880420 A CN 106880420A CN 201510943888 A CN201510943888 A CN 201510943888A CN 106880420 A CN106880420 A CN 106880420A
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- femoral stem
- vestibule
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- hole
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/56—Porous materials, e.g. foams or sponges
-
- 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
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical & Material Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Prostheses (AREA)
- Dispersion Chemistry (AREA)
- Dermatology (AREA)
- Epidemiology (AREA)
- Cardiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Medicinal Chemistry (AREA)
Abstract
The present invention relates to a kind of bionic hip-joint.It includes femoral stem（1）, neck of femur（2）And attachment screw（3）；The attachment screw（3）By the femoral stem（1）With the neck of femur（2）It is connected as one overall；The femoral stem（1）Middle part appearance be provided with the adhesion layer that multilevel hole material is made（8）, the adhesion layer（8）It is strip, and femoral stem is distributed in continuous helical shape is circular（1）Middle part；The femoral stem（1）Middle part upper end is near the neck of femur（2）Side be provided with tapered protrusion（9）；The femoral stem（1）Lower end be set to fork-shaped（10）.Present invention integrated connection stability and biocompatibility are higher, and structure design more optimizes, and are easy to implantation.
Description
Technical field
The present invention relates to human synovial displacement, more particularly to a kind of bionic hip-joint.
Background technology
At present, existing hip joint implantation borrowed structure design is various, and Separate designs are particularly complicated, and building block is more,
The replacement operation time, efficiency long was low.Additionally, connective stability is not high between tissue, easily loosened after implantation, come off,
Biocompatibility is poor, and tissue is also easy to produce repulsion, is also as outside implantation prosthese the problems such as service life is shorter
General character problem to be solved, these problems are 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, lightweight, good penetrability,
The numerous areas such as chemical industry, medicine have a wide range of applications.In the porous material, multilevel hole material is due to its unique performance,
Increasing concern is obtained.Multilevel hole material has the advantage in holes at different levels simultaneously, and has the material in single hole simultaneously
Not available advantage, such as, and macropore with three-dimensional order (aperture ＞ 50nm)-mesoporous (2nm ＜ apertures ＜ 50nm)
The molecular sieve of-micropore (aperture ＜ 2nm) structure, combines multi-stage artery structure and molecular sieve both advantages nanocrystalline,
The more open three-dimensional open-framework of molecular sieve is imparted, while nano molecular sieve crystal substantially reduces mass transfer path,
It is effectively improved the materialization activity of gained molecular sieve；SiO with hierarchy mesopore-macropore2Material can be used as immobilized
Biomolecule, such as guest materials of immobilized lysozyme, with the rate of adsorption and very big enzyme supported quantity very high.However,
The loose structure used in current artificial joint prosthesis is mostly single Porous materials, and on the report from multilevel hole material
Road is even more extremely limited.This may in itself there is also carrying along with porosity mainly due to existing porous material
Height, structural mechanics intensity can be remarkably decreased, therefore porosity is generally relatively low, and connectivity is relatively low, be unfavorable in tissue
The efficient exchange of material, biocompatibility is not good, conducts oneself with dignity heavier, and postoperative human feeling is not good, and space skewness
Cause the uneven distributions such as mechanical strength, elastic modelling quantity, cause the defects such as hidden danger of quality.Such as CN201210185031
A kind of preparation method of the biomimetic artificial bone of multistage (micrometer/nanometer) pore structure is disclosed, but is obtained using the method
Three-dimensional multistage pore structure, randomness, scrambling due to its pore structure still can not meet the work(of biomimetic artificial bone
Can require.
Additionally, as the multilevel hole material for being applied to biomimetic artificial bone, it is necessary to material is uniform in itself, i.e. pore size, hole
Be evenly distributed, to cause performance uniformity, but in fact, there are many multilevel hole materials not reach the requirement, its is equal
Even property is not enough；In spite of material call oneself and reached uniformity higher, but its uniformity is still equal under large volume yardstick
Even property, if carrying out measurement comparing with small size yardstick, such as takes up an official post in material and takes polylith volume and be not more than one cubic centimetre
Said three-dimensional body, surveys its quality respectively, and its degree of irregularity difference is still very big, thus results in the various property of multilevel hole material
Energy such as mechanical strength, elastic modelling quantity is uneven, so as to have a strong impact on its function.
The content of the invention
It is an object of the invention to provide a kind of bionic hip-joint, its integrated connection stability and biocompatibility are higher, knot
Structure design more optimizes, and is easy to implantation.
The purpose of the present invention is achieved through the following technical solutions：
A kind of bionic hip-joint, it includes femoral stem and neck of femur, it is characterised in that：It also includes attachment screw；
It is overall that the femoral stem and the neck of femur are connected as one by the attachment screw；The middle part appearance of the femoral stem is provided with
The adhesion layer being made of multilevel hole material, the adhesion layer is strip, and is distributed in femoral stem in continuous helical shape is circular
Portion；The femoral stem middle part upper end is provided with tapered protrusion near the side of the neck of femur；The bottom end of the femoral stem
End is set to fork-shaped.
To meet different patient personalized demands, to reach best installation site requirement, the bottom of above-mentioned neck of femur is set to
Positive cylinder, top is set to have additional through hole on biasing tilt column, and neck of femur bottom；The head of above-mentioned femoral stem has additional
Screwed hole is had additional on L-shaped section, and the longitudinal surface in L-shaped section；Above-mentioned attachment screw through the through hole and with it is described
Screwed hole is connected.According to the situation of different patients, by controlling the length on neck of femur top, and neck of femur is upper and lower
Angle of inclination between portion, you can make neck of femur that there is the variable specification of many kinds, to adapt to the demand of different patients.Its
Connected mode is easy to be reliable, it is therefore prevented that the position movement between part.
For convenience of the installation positioning of product in operation implementation process, the head upper end of above-mentioned femoral stem has additional location hole.
The implant procedure of being more convenient for for reduction implantation resistance, the sub-body of above-mentioned femoral stem is set to the smooth inverted round stage in surface
Shape structure, lower end is set to fork-shaped.
Used as further selecting excellent, the above-mentioned multilevel hole material that above-mentioned adhesion layer is used specifically can be by multistage porous material
Constitute, including material body, body is the vestibule being classified with material pore size, and around the cavity wall of formation vestibule
Constitute, its vestibule is in uniform distribution, and subordinate's vestibule is set in the cavity wall for constituting higher level's vestibule in three dimensions；Respectively
Level vestibule is each mutually communicated and vestibule at different levels also insertion each other each other, and vestibule refers to that each vestibule exists in uniform distribution
In uniform distribution under arbitrary unit level volume on multilevel hole material.
More specifically, above-mentioned multilevel hole material, the cavity wall of higher level's vestibule can be made up of next stage porous material, so that
Vestibule is layered step by step, and reasonable Arrangement vestibule structure and pore size；The cavity wall of higher level's vestibule can also be by its subordinate
Multistage porous material is compound to be constituted, or is constituted by the porous materials at different levels of its subordinate are compound, to cause that material meets specific
Functional requirement.
More specifically, above-mentioned multilevel hole material, its intrinsic every grade of porous material is a continuous structure body certainly.And
It is suitable with the space boundary of whole material body per the maximum external boundary of one-level porous material.I.e. every grade porous material all may be used
Porous material as one-level independence is present in body, and with its physical and chemical performance alone.Such structure can be with
So that the physical and chemical performance of porous materials at different levels difference, has different materializations in the whole space of relatively-stationary material
Performance, preferably meets many functional requirements.
More specifically, above-mentioned unit level volume refers to cubic centimetre level or cubic millimeter level or more subsection level volume.
More specifically, above-mentioned vestibule refers to be not more than 1 and stand in the take up an official post volume that takes of the multilevel hole material in uniform distribution
The said three-dimensional body of the formed objects of square millimeter, their quality are substantially suitable.
More specifically, above-mentioned quality quite refers to be not more than 1 cube in take up an official post multiple volumes for taking of multilevel hole material substantially
The said three-dimensional body of the formed objects of millimeter, claims its quality respectively, obtains the average value of their quality, and any three-dimensional weight
It is not more than the 4% of said three-dimensional body mass average value relative to the absolute value of the bias of mass average value.
Above-mentioned multilevel hole material in the present invention, specifically can be using conventional medical metal, alloy and the material system such as nonmetallic
Into.
The present invention has following beneficial effect：
(1) the invention provides a kind of bionic hip-joint, L-shaped section, attachment screw and screwed hole are passed through in its structure
Deng the mutual cooperation of part, being connected for femoral stem and neck of femur was both realized, and again limited the position relationship of the two and become
Dynamic, firm and reliable connection is easy；Fork-shaped is set to by by the lower end of its femoral stem, after effectively prevent shank body implantation
Stress concentration phenomenon occur；The tapered protrusion that its femoral stem middle part upper end is set, it is therefore prevented that between femoral stem and femur
Relative motion, with reference to more firm.Additionally, it also causes that neck of femur has various variable specifications, different patients have been adapted to
Individual demand.
(2) its femoral stem middle part appearance set, in continuous helical shape around distribution strip adhesion layer by multi-stage porous material
Material composition；The multilevel hole material is three-dimensional insertion (including every grade of hole three-dimensional insertion, holes at different levels three-dimensional insertion mutually),
Its connectivity is greatly improved, and various functional requirements of the material as biomimetic artificial bone is fully met, for example, together
When have good structural mechanical property and porosity higher concurrently, greatly alleviate dead load, alleviate and give human body band
The burden come, enhances the efficient exchange of material between tissue, greatly accelerates the convalescence after Miles operation；Its multilevel hole material
In vestibule constitute the distribution of multistage space, and its overall distribution mode approximate part tissue, significantly reduce people
The rejection of body, and the bad impression for thus bringing；Phase after the implantation, as tissue grows into skies at different levels
The positions such as gap, and then form multistage and grow into robust structure, greatly improve connective stability of structure etc..Additionally,
Be distributed in femoral stem middle part appearance in continuous helical shape around distribution strip adhesion layer, before implantation the phase increase femoral stem
The frictional force and femur between, it is therefore prevented that overall structure sinks to rotating, and improves the connective stability with human body.
(3) also the vestibule of multilevel hole material is evenly distributed in the present invention and proposes the metric form of specific, concrete, clearly
It is the pore size distribution uniformity that multilevel hole material is measured under compared with the yardstick of subsection level volume, such multilevel hole material
It is high uniformity, so as to ensure that the uniformity consistency of the various performances of multilevel hole material, it is to avoid the inside of selection lacks
Fall into.
Brief description of the drawings
Fig. 1 is the structural representation of bionic hip-joint described in the embodiment of the present invention 1.
Fig. 2 is the structural representation of bionic hip-joint described in the embodiment of the present invention 2.
Specific embodiment
Premised on technical solution of the present invention, its detailed implementation method is following present, but protection scope of the present invention is not
It is only limitted to embodiment disclosed below.In the case of not departing from and changing above-mentioned technological thought of the invention, according to the general of this area
Logical technological know-how and/or customary means, it is clear that the replacement or change of diversified forms can also be made, and this all should be included in
Within the scope of invention.
Embodiment 1
As shown in Figure of description 1, a kind of bionic hip-joint, it includes femoral stem 1, neck of femur 2 and attachment screw
3；The bottom of its neck of femur 2 is set to positive cylinder, and top is set to bias tilt column, and the bottom of neck of femur 2 is provided with through hole 4；
The head of its femoral stem 1 is provided with and screwed hole 6 is provided with L-shaped section 5, and the longitudinal surface in L-shaped section 5；It connects
Screw 3 is connect through through hole 4 and is connected with screwed hole 6, that is, realized and femoral stem 1 and neck of femur 2 are connected as one
It is overall；The head upper end of its femoral stem 1 is additionally provided with location hole 7；The middle part appearance of its femoral stem 1 is provided with multistage
The adhesion layer 8 that Porous materials are made, the adhesion layer 8 is strip, and is distributed in the middle part of femoral stem 1 in continuous helical shape is circular；
And the middle part upper end of femoral stem 1 is provided with tapered protrusion 9 near the side of neck of femur 2；The sub-body of its femoral stem 1 sets
It is the reverse frustoconic structure that surface is smooth, and lower end is set to fork-shaped 10；Adhesion layer 8 is used in the present embodiment
Multilevel hole material is porous tantalum, with three-level hole, wherein, in the cavity wall of the first order vestibule be uniformly distributed, being mutually communicated
There is the second level vestibule for being uniformly distributed, being mutually communicated, there is for being uniformly distributed, being mutually communicated in the cavity wall of second level vestibule
Three-level vestibule；And vestibules at different levels also insertion each other each other, described insertion is three-dimensional insertion；Every grade of porous material is from being
One continuous structure body, the maximum external boundary per one-level porous material is suitable with whole material body space boundary, and every grade porous
Material has physical and chemical performance alone.Total effective drainage porosity is 80%, and first order hole average pore size is 510 μm, first
There is the second level hole of the insertion of 25 μm of average pore size in the cavity wall in level hole, have average pore size in the cavity wall in second level hole
The third level hole of 780nm insertions.
Taken up an official post in the multilevel hole material with conventional machining method and take 9 same sizes of 10mm × 10mm × 10mm
Said three-dimensional body, test its quality with plum Teller-support benefit XP26Microbalance balances, as a result as shown in table 1, its
In, the absolute value of the bias relative to average value is expressed as a percentage, its value be relative to average value absolute value of the bias divided by
Mass average value, as shown in Table 1, its mass deviation is not more than 4%.
Table 1
| Piece number | Quality (mg) | Relative to the absolute value of the bias (%) of 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
It is the polystyrene sphere of 900 ± 30nm to choose particle diameter, is assembled the colloid template to form three-dimensional order arrangement,
Tantalum nanocrystal solution is prepared, tantalum nanocrystal solution is introduced into the three-dimensional colloid template that polystyrene sphere is made, by three-dimensional
The mixture of colloid template/tantalum nanocrystal solution is dried, and is then broken for the particle that particle diameter is 5 μm；
(2) starch that particle diameter is 900 ± 30nm is taken, according to part by weight 1：40 mix with distilled water, are made starch
Solution, by ethyl cellulose that above-mentioned particle, particle diameter are 35 μm and starch solution according to part by weight 12：1：8 systems
Into slurry, it is uniformly impregnated with to aperture as on 600 ± 20 μm of polyester form；
(3) polyester form after dipping is sintered in vacuum or protective atmosphere, is carried out according still further to tantalum technique conventional follow-up
Treatment, is obtained the porous tantalum with three-level hole.
Used as bone-regeneration material, first order hole size is particularly suitable for meeting the need that the vital tissues such as blood vessel grow into this kind of porous tantalum
Ask；Second level hole is particularly suitable for living away from home for various kinds of cell；Third level hole is particularly conducive to meet because of its substantial amounts of nano-pore
The sticking of cell, differentiation demand, and specific surface area is very big, can load many growth factors, and, the insertion in hole
Property it is good, holes at different levels are each mutually communicated and hole at different levels also insertion each other each other, can fully meet blood, tissue fluid
Infiltration, transmission, realize the discharge of protein degradation products and metabolism product, therefore it is a kind of real osteanagenesis
Material.Additionally, the tapered protrusion 9 that its middle part upper end of femoral stem 1 is set, it is therefore prevented that the phase between femoral stem 1 and femur
To motion, with reference to more firm；According to the situation of different patients, selection control neck of femur 2 top biases the length of tilt column
Angle of inclination A between L, and the top and the bottom of neck of femur 2, that is, realize neck of femur 2 with various variable specifications, fits
The individual demand of different patients is answered.
Embodiment 2
As shown in Figure of description 2, a kind of bionic hip-joint, it includes femoral stem 1, neck of femur 2 and attachment screw
3；The bottom of its neck of femur 2 is set to positive cylinder, and top is set to bias tilt column, and the bottom of neck of femur 2 is provided with through hole 4；
The head of its femoral stem 1 is provided with and screwed hole 6 is provided with L-shaped section 5, and the longitudinal surface in L-shaped section 5；It connects
Screw 3 is connect through through hole 4 and is connected with screwed hole 6, that is, realized and femoral stem 1 and neck of femur 2 are connected as one
It is overall；The middle part appearance of its femoral stem 1 is provided with the adhesion layer 8 that multilevel hole material is made, and the adhesion layer 8 is bar
Shape, and it is distributed in the middle part of femoral stem 1 in continuous helical shape is circular；And the middle part upper end of femoral stem 1 is near the one of neck of femur 2
Side is provided with tapered protrusion 9；The sub-body of its femoral stem 1 is set to cylinder, and lower end is set to fork-shaped 10；
The multilevel hole material that adhesion layer 8 is used in the present embodiment is POROUS TITANIUM, with three-level hole, wherein, it is uniformly distributed, phase
There are the second level vestibule for being uniformly distributed, being mutually communicated, the cavity wall of second level vestibule in the cavity wall of the first order vestibule of mutual insertion
On have the third level vestibule for being uniformly distributed, being mutually communicated；And vestibules at different levels also insertion each other each other, described insertion is
Three-dimensional insertion.Every grade of porous material is a continuous structure body certainly, per the maximum external boundary and whole material of one-level porous material
Quite, every grade of porous material is with physical and chemical performance alone on body plenum border.Total effective drainage porosity is 75%, the first order
Hole average pore size is 450 μm, there is the second level hole of the insertion of 30 μm of average pore size in the cavity wall in first order hole, the
There is the third level hole of the insertion of average pore size 670nm in the cavity wall of second hole.
Taken up an official post in the POROUS TITANIUM with conventional machining method and take 9 the three of the same size of 10mm × 10mm × 10mm
Dimension body, its quality is tested with plum Teller-support benefit XP26 Microbalance balances, as a result as shown in table 2, wherein,
Absolute value of the bias relative to average value is expressed as a percentage, and its value is the absolute value of the bias relative to average value divided by quality
Average value, as shown in Table 2, its mass deviation is not more than 4%.
Table 2
| Piece number | Quality (mg) | Relative to the absolute value of the bias (%) of 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
It is raw material for 2 μm of titanium valve to use particle diameter, and particle diameter is the starch of 770nm as minimum the one of multilevel hole material to be made
The pore creating material of level vestibule, with the stearic acid that particle diameter is 770nm as adhesive, according to titanium valve：Starch：Stearic acid：Steam
Distilled water by volume 3：1：1：11 are configured to slurry.
Using a diameter of 30 μm of polyester form of rib, by the slurry, with foam impregnation method, uniformly filling wherein, forms base
Body is simultaneously dried, and is then crushed and is obtained the hybrid particles containing raw material, pore creating material and polyester form that particle is 30 μm.
(2) by methylcellulose that hybrid particles, particle diameter are 30 μm by volume 3：Equably filled after 1 uniform mixing
In entering a diameter of 560 ± 20 μm of rib, aperture for the polyester form of 400 ± 15 μm of three-dimensional insertion, then by polyester form
It is put into closed mold and is pressed into dense green.
(3) by dense green vacuum-sintering；Base substrate after sintering carries out conventional subsequent heat treatment and obtains according to titanium technique
POROUS TITANIUM with three-level hole.
Similar to embodiment 1, this kind of material is particularly suitable for doing bone-regeneration material；Additionally, the bottom end of its femoral stem 1
End is set to fork-shaped 10, effectively prevent the stress concentration phenomenon after shank body implantation and occurs.
Claims (10)
1. a kind of bionic hip-joint, it includes femoral stem（1）And neck of femur（2）, it is characterised in that：It also includes attachment screw（3）；The attachment screw（3）By the femoral stem（1）With the neck of femur（2）It is connected as one overall；The femoral stem（1）Middle part appearance be provided with the adhesion layer that multilevel hole material is made（8）, the adhesion layer（8）It is strip, and femoral stem is distributed in continuous helical shape is circular（1）Middle part；The femoral stem（1）Middle part upper end is near the neck of femur（2）Side be provided with tapered protrusion（9）；The femoral stem（1）Lower end be set to fork-shaped（10）.
2. bionic hip-joint as claimed in claim 1, it is characterised in that：The neck of femur（2）Bottom be set to positive cylinder, top is set to bias tilt column, and neck of femur（2）Through hole is had additional on bottom（4）；The femoral stem（1）Head be provided with L-shaped section（5）, and L-shaped section（5）Longitudinal surface on have additional screwed hole（6）；The attachment screw（3）Through the through hole（4）And with the screwed hole（6）It is connected.
3. bionic hip-joint as claimed in claim 1 or 2, it is characterised in that：The femoral stem（1）Head upper end have additional location hole（7）.
4. the bionic hip-joint as described in claim 1-3 is any, it is characterised in that：The femoral stem（1）Sub-body be set to the smooth reverse frustoconic structure in surface, lower end is set to fork-shaped（10）.
5. the bionic hip-joint as described in claim 1-4 is any, it is characterised in that：The multilevel hole material, is made up of multistage porous material, including material body, body is the vestibule being classified with material pore size, and constituted around the cavity wall for forming vestibule, its vestibule is in uniform distribution, and subordinate's vestibule is set in the cavity wall for constituting higher level's vestibule in three dimensions；Vestibules at different levels are each mutually communicated and vestibule at different levels also insertion each other each other, and vestibule refers to that each vestibule is in uniform distribution under arbitrary unit level volume on multilevel hole material in uniform distribution.
6. bionic hip-joint as claimed in claim 5, it is characterised in that：The cavity wall of higher level's vestibule in the multilevel hole material, or be made up of next stage porous material, or constituted by the multistage porous material of its subordinate is compound, or constituted by the porous materials at different levels of its subordinate are compound.
7. the bionic hip-joint as described in claim 5 or 6, it is characterised in that：Described multilevel hole material, its intrinsic every grade of porous material is a continuous structure body certainly, and it is suitable with the space boundary of whole material body per the maximum external boundary of one-level porous material.
8. the bionic hip-joint as described in claim 5-7 is any, it is characterised in that：The unit level volume refers to cubic centimetre level or cubic millimeter level or more subsection level volume.
9. bionic hip-joint as claimed in claim 8, it is characterised in that：The vestibule refers to be not more than each said three-dimensional body of 1 cubic millimeter and formed objects in the take up an official post volume that takes of the multilevel hole material in uniform distribution, and their quality are substantially suitable.
10. bionic hip-joint as claimed in claim 9, it is characterised in that：The quality quite refer to substantially multilevel hole material take up an official post multiple volumes for taking be not more than 1 cubic millimeter formed objects said three-dimensional body, claim its quality respectively, the average value of their quality is obtained, and any three-dimensional weight is not more than the 4% of said three-dimensional body mass average value relative to the absolute value of the bias of mass average value.
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3918441A (en) * | 1974-09-17 | 1975-11-11 | Philip E Getscher | Intramedullary hip pin |
| US3943576A (en) * | 1971-10-14 | 1976-03-16 | Sivash Konstantin Mitrofanovic | Artificial hip joint made from two different surgical alloys |
| US5100407A (en) * | 1990-09-04 | 1992-03-31 | Pfizer Hospital Products Group, Inc. | Modular trial hip replacement system |
| US5171275A (en) * | 1990-02-15 | 1992-12-15 | Ling Robin S M | Femoral stem prosthesis |
| US5702482A (en) * | 1991-11-19 | 1997-12-30 | Zimmer, Inc. | Implant fixation stem |
| US5980573A (en) * | 1997-05-12 | 1999-11-09 | Shaffner; Richard L. | Method and apparatus for fighting infection and maintaining joint spacing in a prosthesis implant area |
| CN2657617Y (en) * | 2003-11-24 | 2004-11-24 | 吴栋 | Artificial hip joint femur handle |
| US20090299485A1 (en) * | 2008-05-28 | 2009-12-03 | Emmanuel Michelinakis | Implant |
| US20100010513A1 (en) * | 2008-07-14 | 2010-01-14 | Korean Institute Of Machinery & Materials | Porous material having hierarchical porous structure and 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 |
| CN203244471U (en) * | 2013-05-16 | 2013-10-23 | 重庆润泽医药有限公司 | Simple combined handle of artificial implanting hip joint |
| CN203280542U (en) * | 2013-04-26 | 2013-11-13 | 北京力达康科技有限公司 | Ionic-spray micropore tantalum coating hip joint prostheses |
| CN103857362A (en) * | 2011-09-19 | 2014-06-11 | 泰克里斯公司 | Modular spacer device for the treatment of infections of the prosthesis of the human limbs |
-
2015
- 2015-12-16 CN CN201510943888.7A patent/CN106880420B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3943576A (en) * | 1971-10-14 | 1976-03-16 | Sivash Konstantin Mitrofanovic | Artificial hip joint made from two different surgical alloys |
| US3918441A (en) * | 1974-09-17 | 1975-11-11 | Philip E Getscher | Intramedullary hip pin |
| US5171275A (en) * | 1990-02-15 | 1992-12-15 | Ling Robin S M | Femoral stem prosthesis |
| US5100407A (en) * | 1990-09-04 | 1992-03-31 | Pfizer Hospital Products Group, Inc. | Modular trial hip replacement system |
| US5702482A (en) * | 1991-11-19 | 1997-12-30 | Zimmer, Inc. | Implant fixation stem |
| US5980573A (en) * | 1997-05-12 | 1999-11-09 | Shaffner; Richard L. | Method and apparatus for fighting infection and maintaining joint spacing in a prosthesis implant area |
| CN2657617Y (en) * | 2003-11-24 | 2004-11-24 | 吴栋 | Artificial hip joint femur handle |
| US20090299485A1 (en) * | 2008-05-28 | 2009-12-03 | Emmanuel Michelinakis | Implant |
| US20100010513A1 (en) * | 2008-07-14 | 2010-01-14 | Korean Institute Of Machinery & Materials | Porous material having hierarchical porous structure and 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 |
| CN103857362A (en) * | 2011-09-19 | 2014-06-11 | 泰克里斯公司 | Modular spacer device for the treatment of infections of the prosthesis of the human limbs |
| CN203280542U (en) * | 2013-04-26 | 2013-11-13 | 北京力达康科技有限公司 | Ionic-spray micropore tantalum coating hip joint prostheses |
| CN203244471U (en) * | 2013-05-16 | 2013-10-23 | 重庆润泽医药有限公司 | Simple combined handle of artificial implanting hip joint |
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