CN109259900A - The method for implantation of acetabular component, hip prosthesis and acetabular component - Google Patents
The method for implantation of acetabular component, hip prosthesis and acetabular component Download PDFInfo
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- CN109259900A CN109259900A CN201811037640.4A CN201811037640A CN109259900A CN 109259900 A CN109259900 A CN 109259900A CN 201811037640 A CN201811037640 A CN 201811037640A CN 109259900 A CN109259900 A CN 109259900A
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- titanium
- acetabular
- nickel wire
- support portion
- bone matrix
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Links
- 238000002513 implantation Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 11
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 claims abstract description 175
- 210000002805 bone matrix Anatomy 0.000 claims abstract description 111
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 49
- 230000007704 transition Effects 0.000 claims abstract description 15
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 30
- 239000011159 matrix material Substances 0.000 claims description 13
- 238000009826 distribution Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 230000007774 longterm Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 19
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- UELITFHSCLAHKR-UHFFFAOYSA-N acibenzolar-S-methyl Chemical compound CSC(=O)C1=CC=CC2=C1SN=N2 UELITFHSCLAHKR-UHFFFAOYSA-N 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 4
- 230000036760 body temperature Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 3
- 210000000689 upper leg Anatomy 0.000 description 3
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000007750 plasma spraying Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910000771 Vitallium Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052588 hydroxylapatite Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 239000000602 vitallium Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools for implanting artificial joints
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physical Education & Sports Medicine (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Abstract
The present invention provides the method for implantation of a kind of acetabular component, hip prosthesis and acetabular component, is related to the technical field of joint prosthesis.Acetabular component includes acetabular bone matrix and titanium-nickel wire support portion；Acetabular bone matrix is that semicircle is spherical；The outer surface of acetabular bone matrix is connect with one end of titanium-nickel wire support portion, and the other end of titanium-nickel wire support portion is fitted in the outer surface of acetabular bone matrix；The transition temperature range of titanium-nickel wire support portion is between 37 DEG C~50 DEG C.Solve the problems, such as that initially fixed and long term is not fixed firmly existing hip prosthesis.Titanium-nickel wire support portion of the invention has biological safety；The outer surface of acetabular component is implanted in the acetabular fossa of human body, and titanium-nickel wire support portion at a certain temperature, is inserted into the bone gap of human body acetabular fossa, to achieve the effect that initially fixed and at a specified future date fixation.
Description
Technical field
The present invention relates to the technical fields of joint prosthesis, more particularly, to a kind of acetabular component, hip prosthesis and acetabular bone
The method for implantation of prosthese.
Background technique
The fixed effect of the fixed acetabular component of bion is all academia and work all the time in artificial hip prosthesis
Journey circle focus of attention can be divided into two stages for fixed effect, and initial fixation and long term are fixed.For initial
Fixed, the processing method of mainstream is that multiple holes are designed on acetabular cup, is realized by way of tapping screw.It is solid for long term
Fixed, the main target of biological fixation form, which is desirable to bone tissue, to be grown into onto acetabular cup, and the processing mode of mainstream is in acetabular bone
The outer surface of cup is sprayed, such as titanium coating, tantalum coating, hydroxyapatite coating layer or trabecular bone structure etc..For present market
The various processing modes of upper mainstream, can obtain preferable clinical effectiveness.
But there is also certain problems for technical solution as above, and such as: the first of acetabular cup is realized by the way of screw
Begin to fix, over time, the position of acetabular cup will appear movement, and screw can prevent acetabular cup mobile, so that acetabular fossa
There are gaps between acetabular cup, and therefore, can eventually lead to bone tissue can not grow into onto the surface of acetabular cup, thus can not be real
Existing fixed effect at a specified future date.
, whereas if initial fixed not by the way of screw, after acetabular cup is implanted to acetabular fossa, only surface pressing
In the presence of, when by spin load, meanwhile, by the effect of acetabular fossa extrapolability, it will lead to the displacement of acetabular cup, equally also can
Gap is generated between acetabular fossa and acetabular cup, to cannot achieve fixed effect at a specified future date.
Summary of the invention
The purpose of the present invention is to provide a kind of acetabular components, and existing in the prior art to solve, and bion is solid
Fixed acetabular component is initially not fixed firmly the technical issues of being not fixed firmly with long term.
The present invention also provides a kind of hip prosthesis, and to solve in the prior art, the fixed acetabular component of bion is initial
It is not fixed firmly the technical issues of being not fixed firmly with long term.
The present invention also provides a kind of method for implantation of acetabular component, to solve in the prior art, the fixed acetabular bone of bion
Prosthese is initially not fixed firmly and is not fixed firmly with long term, the laborious technical problem of fixation procedure.
A kind of acetabular component provided by the invention, including acetabular bone matrix and titanium-nickel wire support portion；
The acetabular bone matrix is that semicircle is spherical, and one end of the outer surface of the acetabular bone matrix and the titanium-nickel wire support portion connects
It connects, the other end of the titanium-nickel wire support portion is fitted in the outer surface of the acetabular bone matrix；
The transition temperature range of the titanium-nickel wire support portion is between 37 DEG C~50 DEG C；
After acetabular component is implanted into human body acetabular fossa, the other end of the titanium-nickel wire support portion at a certain temperature can be straight
It is vertical, the other end of the titanium-nickel wire support portion is inserted into the bone gap of human body acetabular fossa.
Further, the titanium-nickel wire support portion includes the first titanium-nickel wire；
One end of first titanium-nickel wire is connected to the outer surface of the acetabular bone matrix, the other end of first titanium-nickel wire
For free end；
The quantity of first titanium-nickel wire be it is multiple, multiple first titanium-nickel wires are uniformly connected to the acetabular bone matrix
Outer surface.
Further, the weft direction patch of outer surface of the other end of multiple first titanium-nickel wires in the acetabular bone matrix
Close distribution；
Alternatively, the warp direction fitting point of outer surface of the other end of multiple first titanium-nickel wires in the acetabular bone matrix
Cloth；
Alternatively, warp, the weft direction of outer surface of the other end of multiple first titanium-nickel wires in the acetabular bone matrix
Staggeredly fitting distribution.
Further, the diameter value range of first titanium-nickel wire is between 0.2mm~1mm；
The length value range of first titanium-nickel wire is between 0.5mm~1.5mm.
Further, the connection type between one end of first titanium-nickel wire and the outer surface of the acetabular bone matrix is weldering
Any one in connecing, press, being interference fitted.
Further, the titanium-nickel wire support portion further includes the second titanium-nickel wire；
The other end of multiple first titanium-nickel wires is connected in turn on second titanium-nickel wire, the second titanium-nickel wire energy
Enough it is fitted in the outer surface of the acetabular bone matrix.
Further, the titanium-nickel wire support portion includes NiTi net；
One end of the NiTi net is connected to the outer surface of the acetabular bone matrix, and the other end of the NiTi net can be bonded
In the outer surface of the acetabular bone matrix.
The present invention also provides a kind of hip prosthesis, including type femoral bone end prosthesis, femoral head prosthesis and the acetabular component；
The type femoral bone end prosthesis is cooperated with the femoral head prosthesis by taper,
The femoral head prosthesis is connected in the accommodating chamber of the acetabular bone matrix medial surface or described by acetabular bone liner
Femoral head prosthesis is connected in the accommodating chamber of the acetabular bone matrix medial surface,
One end of the titanium-nickel wire support portion connects the outer surface of the acetabular bone matrix, the titanium-nickel wire support portion it is another
End is inserted into the bone gap of human body acetabular fossa.
The present invention also provides a kind of method for implantation of acetabular component, include the following steps；
Fixed acetabular bone matrix
It is implanted into the acetabular bone matrix；
Fixed titanium-nickel wire support portion
The titanium-nickel wire support portion is heated using heating equipment, after heating, the titanium-nickel wire support portion it is another
End is in upright state, and in the bone gap of the other end insertion human body acetabular fossa of the titanium-nickel wire support portion.
A kind of acetabular component provided by the invention, the acetabular bone matrix is that semicircle is spherical, so that the acetabular bone matrix and people
The structure of body acetabular fossa is identical, is convenient for being cooperatively connected；The medial surface of the acetabular bone matrix is equipped with accommodating chamber, utilizes the appearance
Chamber of receiving directly accommodates femoral head prosthesis or accommodates femoral head prosthesis by acetabular bone liner；The outer surface of the acetabular bone matrix connects institute
The one end for stating titanium-nickel wire support portion is fixed, the nickel using position of the acetabular bone matrix to the titanium-nickel wire support portion
The other end of titanium silk support portion is fitted in the outer surface of the acetabular bone matrix, so that the titanium-nickel wire support portion can be with human body hip
Mortar nest fits fixation, and the titanium-nickel wire support portion has a shape memory characteristic, super-elasticity, and temperature change sensibility is anticorrosive
Performance, mithridatism, soft Orthodontic force, good damping performance effectively avoid in the prior art, initial fixed and at a specified future date
The problem of being not fixed firmly；The phase transition temperature of the titanium-nickel wire support portion, higher than the temperature of human body, is convenient for hand at 37 DEG C~50 DEG C
During art, after the acetabular bone matrix is implanted into human femur under loading bulb, the other end of the titanium-nickel wire support portion can be certain
At a temperature of be in upright state, so that the other end of the titanium-nickel wire support portion be made to be inserted directly into the bone gap of human body acetabular fossa
In, it being fixed, fixes acetabular bone matrix in this way, either initially fixed or long term is fixed all very securely,
The phenomenon that any acetabular component loosens will not be generated.The present invention utilizes the memory characteristic of Nitinol, devises a innovation
Acetabular component, so that acetabular component remains to reach extraordinary in the case where also not using blocked up coating without using screw
Fixed effect initial fixed and at a specified future date.
The present invention also provides a kind of hip prosthesis, and above-mentioned acetabular component is connected on the femur bulb, nickel is utilized
Titanium silk support portion is supported fixation to acetabular bone matrix, and fixed form is simple, stablizes, securely.
The present invention also provides a kind of method for implantation of acetabular component, successively using fixed acetabular bone matrix, fixed titanium-nickel wire branch
The acetabular bone matrix is first implanted in the outside of human femur under loading bulb by the mode of support part, then to the titanium-nickel wire support portion into
Row heating, keeps the other end moment of the titanium-nickel wire support portion upright, the acetabular bone matrix to be fixed, fixed form letter
It is single, stable.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the first acetabular component outer surface provided in an embodiment of the present invention；
Fig. 2 is the main view of the first acetabular component provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the first acetabular component medial surface provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram that the first titanium-nickel wire provided in an embodiment of the present invention is fitted in acetabular bone outer surface of matrix；
Fig. 5 is the structural schematic diagram that the first titanium-nickel wire provided in an embodiment of the present invention stands upright on acetabular bone outer surface of matrix；
Fig. 6 is the structural schematic diagram of second of acetabular component provided in an embodiment of the present invention outer surface；
Fig. 7 is the main view of second of acetabular component provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of second of acetabular component medial surface provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram that NiTi net provided in an embodiment of the present invention is fitted in acetabular bone outer surface of matrix；
Figure 10 is the structural schematic diagram that NiTi net provided in an embodiment of the present invention stands upright on acetabular bone outer surface of matrix；
Figure 11 is the structural schematic diagram of the third acetabular component outer surface provided in an embodiment of the present invention；
Figure 12 is the structural schematic diagram of the 4th kind of acetabular component outer surface provided in an embodiment of the present invention.
Icon: 100- acetabular bone matrix；200- titanium-nickel wire support portion；101- accommodating chamber；The first titanium-nickel wire of 201-；
The second titanium-nickel wire of 202-.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Fig. 1 is the structural schematic diagram of the first acetabular component outer surface provided in an embodiment of the present invention；Fig. 2 is that the present invention is real
The main view of the first acetabular component of example offer is provided；Fig. 3 is the first acetabular component medial surface provided in an embodiment of the present invention
Structural schematic diagram；Fig. 4 is the structural representation that the first titanium-nickel wire provided in an embodiment of the present invention is fitted in acetabular bone outer surface of matrix
Figure；Fig. 5 is the structural schematic diagram that the first titanium-nickel wire provided in an embodiment of the present invention stands upright on acetabular bone outer surface of matrix.
As shown in Fig. 1~5, a kind of acetabular component provided by the invention, including acetabular bone matrix 100 and titanium-nickel wire support portion
200；
The acetabular bone matrix 100 is that semicircle is spherical, the outer surface of the acetabular bone matrix 100 and the titanium-nickel wire support portion
200 one end connection, the other end of the titanium-nickel wire support portion 200 are fitted in the outer surface of the acetabular bone matrix 100；
The transition temperature range of the titanium-nickel wire support portion 200 is between 37 DEG C~50 DEG C；
After acetabular component is implanted into human body acetabular fossa, the other end of the titanium-nickel wire support portion 200 at a certain temperature can
It is enough upright, the other end of the titanium-nickel wire support portion 200 is inserted into the bone gap of human body acetabular fossa.
In Fig. 1, acetabular bone matrix 100 is that semicircle is spherical, so that the shape of the acetabular fossa of acetabular component and human body is adapted.
The medial surface of acetabular bone matrix 100 be equipped with accommodating chamber 101, accommodating chamber 101 be semicircle it is spherical so that femoral head prosthesis or
Acetabular bone liner prosthese can be contained in accommodating chamber 101.
The lower end of titanium-nickel wire support portion 200 is connected on the outer surface of acetabular bone matrix 100, titanium-nickel wire support portion 200 it is upper
End can be fitted in the outer surface of acetabular bone matrix 100, connect titanium-nickel wire support portion 200 in the outer surface of acetabular bone matrix 100, utilize
Acetabular bone matrix 100 is connected in human body acetabular fossa by titanium-nickel wire support portion 200.
Titanium-nickel wire support portion 200 is Nitinol, and Nitinol has shape memory characteristic, and super-elasticity, temperature change is quick
Perception, corrosion resistance, mithridatism, soft Orthodontic force, good damping performance effectively avoid in the prior art, just
Begin fixed the problem of being not fixed firmly with long term.
In one embodiment of the present of invention, the phase transition temperature value range of titanium-nickel wire support portion 200 37 DEG C~50 DEG C it
Between, higher than the temperature of human body, under normal temperature state, titanium-nickel wire support portion 200 is geneva posture, and titanium-nickel wire support portion 200 is bonded
In the outer surface of acetabular bone matrix 100, arbitrary shape is formed, no matter titanium-nickel wire support portion 200 is in the outer surface of acetabular bone matrix 100
Which type of shape is formed, when titanium-nickel wire support portion 200 restores under phase transition temperature to upright state, it will be able to insert
Enter in the bone gap of human body acetabular fossa, to realize extraordinary anchoring effect, to realize good initial fixed effect.
Further, the titanium-nickel wire support portion 200 includes the first titanium-nickel wire 201；
One end of first titanium-nickel wire 201 is connected to the outer surface of the acetabular bone matrix 100, first titanium-nickel wire
201 other end is free end；
The quantity of first titanium-nickel wire 201 be it is multiple, multiple first titanium-nickel wires 201 are uniformly connected to the acetabular bone
The outer surface of matrix 100.
In Fig. 4, under normal temperature state, the lower end of the first titanium-nickel wire 201 is fixedly connected on the outer surface of acetabular bone matrix 100
On, the upper end of the first titanium-nickel wire 201 is fitted on the outer surface of acetabular bone matrix 100, under phase transition temperature, the first titanium-nickel wire 201
When recovery to upright state, as shown in figure 5, the upper end of the first titanium-nickel wire 201 is inserted into the bone gap of human body acetabular fossa, with
The position of acetabular bone matrix 100 is fixed.
Multiple first titanium-nickel wires 201 are uniformly connected in the outer surface of acetabular bone matrix 100, and multiple first titanium-nickel wires 201 are in hip
The outer surface of mortar matrix 100 is in honeycomb, and the outer surface stress equalization of acetabular bone matrix 100 is made using multiple first titanium-nickel wires 201,
To keep the fixation position of acetabular bone matrix 100 secured.
Groove line is set in the upper end of the first titanium-nickel wire 201, to increase 201 upper end of the first titanium-nickel wire and human body acetabular fossa
Frictional force between bone gap.
Fig. 6 is the structural schematic diagram of second of acetabular component provided in an embodiment of the present invention outer surface；Fig. 7 is that the present invention is real
The main view of second of acetabular component of example offer is provided；Fig. 8 is second of acetabular component medial surface provided in an embodiment of the present invention
Structural schematic diagram；Fig. 9 is the structural schematic diagram that NiTi net provided in an embodiment of the present invention is fitted in acetabular bone outer surface of matrix；Figure
10 stand upright on the structural schematic diagram of acetabular bone outer surface of matrix for NiTi net provided in an embodiment of the present invention.
As shown in Fig. 6~10, further, the other end of multiple first titanium-nickel wires 201 is in the acetabular bone matrix 100
Outer surface weft direction be bonded distribution；
Alternatively, the warp direction of outer surface of the other end of multiple first titanium-nickel wires 201 in the acetabular bone matrix 100
Fitting distribution；
Alternatively, warp, the latitude of outer surface of the other end of multiple first titanium-nickel wires 201 in the acetabular bone matrix 100
Line direction is staggeredly bonded distribution.
Figure 11 is the structural schematic diagram of the third acetabular component outer surface provided in an embodiment of the present invention；
As shown in figure 11, in one embodiment of the present of invention, under normal temperature state, the lower end of multiple first titanium-nickel wires 201
It is uniformly fixedly connected on the outer surface of acetabular bone matrix 100, the upper end of multiple first titanium-nickel wires 201 is along acetabular bone matrix 100
The weft direction of outer surface is bonded distribution, under phase transition temperature, when the first titanium-nickel wire 201 restores to upright state, and the first NiTi
The upper end of silk 201 is inserted into the bone gap of human body acetabular fossa, is fixed with the position to acetabular bone matrix 100.
Figure 12 is the structural schematic diagram of the 4th kind of acetabular component outer surface provided in an embodiment of the present invention.
As shown in figure 12, in one embodiment of the present of invention, under normal temperature state, the lower end of multiple first titanium-nickel wires 201
It is uniformly fixedly connected on the outer surface of acetabular bone matrix 100, the upper end of multiple first titanium-nickel wires 201 is along acetabular bone matrix 100
The warp direction of outer surface is bonded distribution, under phase transition temperature, when the first titanium-nickel wire 201 restores to upright state, and the first NiTi
The upper end of silk 201 is inserted into the bone gap of human body acetabular fossa, is fixed with the position to acetabular bone matrix 100.
As shown in fig. 6, under normal temperature state, the lower end of multiple first titanium-nickel wires 201 is equal in one embodiment of the present of invention
Cloth is fixedly connected on the outer surface of acetabular bone matrix 100, and the upper end of multiple first titanium-nickel wires 201 is along the outer of acetabular bone matrix 100
The warp on surface, weft direction fitting are uniformly distributed, under phase transition temperature, when the first titanium-nickel wire 201 restores to upright state, the
The upper end of one titanium-nickel wire 201 is inserted into the bone gap of human body acetabular fossa, is fixed with the position to acetabular bone matrix 100.
Further, the diameter value range of first titanium-nickel wire 201 is between 0.2mm~1mm；
The length value range of first titanium-nickel wire 201 is between 0.5mm~1.5mm.
In one embodiment of the present of invention, the diameter value of the first titanium-nickel wire 201 is 0.5mm, the first titanium-nickel wire 201 it is straight
Diameter value should not be too thick, will be relatively difficult too slightly in room temperature bending and molding, and too detailed rules and regulations are restored relatively difficult, can not be inserted into
Into sutura gap.
The length value of first titanium-nickel wire 201 is 1.0mm, and the length value of the first titanium-nickel wire 201 is unsuitable too long, due to releasing
It is limited between emptying, it is too long to be not easy to be fully deployed, it is fixed inconvenient, fix that position is insecure, and fixed effect is poor after too short expansion.
Further, the connection side between one end of first titanium-nickel wire 201 and the outer surface of the acetabular bone matrix 100
Formula is any one in welding, press, being interference fitted.
In one embodiment of the present of invention, the lower end of the first titanium-nickel wire 201 is welded on the outer surface of acetabular bone matrix 100,
Welding manner is simple.
In another embodiment of the invention, the lower end of the first titanium-nickel wire 201 is connected to acetabular bone matrix using the mode of pressing
On 100 outer surface, by the way of the connection that presses, connection type is simple, and easy to operate, link position is secured.
In another embodiment of the invention, the lower end of the first titanium-nickel wire 201 is connected to hip by the way of interference fit
On the outer surface of mortar matrix 100, fastness is used for a long time after the installation of the first titanium-nickel wire 201 using the connection type of interference fit
It is good, therefore, it is interference fitted the connection type preferentially used as one kind.
Further, the titanium-nickel wire support portion 200 further includes the second titanium-nickel wire 202；
The other end of multiple first titanium-nickel wires 201 is connected in turn on second titanium-nickel wire 202, second nickel
Titanium silk 202 can be fitted in the outer surface of the acetabular bone matrix 100.
In one embodiment of the present of invention, as shown in figure 9, under normal temperature state, the upper ends of multiple first titanium-nickel wires 201 according to
It is secondary to be connected on the second titanium-nickel wire 202, and the second titanium-nickel wire 202 is fitted on the outer surface of acetabular bone matrix 100, so that multiple
After first titanium-nickel wire 201, the connection of the second titanium-nickel wire 202, the structure of diamond shape is formed, under phase transition temperature, the first titanium-nickel wire 201 is extensive
It is multiple to upright state when, the upper end of the first titanium-nickel wire 201 is supported on the bone gap of human body acetabular fossa by the second titanium-nickel wire 202
In, it is fixed with the position to acetabular bone matrix 100.
It is using the advantages of the second titanium-nickel wire 202: all first titanium-nickel wires 201 is established and are contacted, the pulling force phase after phase transformation
When mutually involving, the equalization of power is realized, in acetabular component normal use, due to loading force shared, so titanium-nickel wire layer
It is not easy to wreck.
Further, the titanium-nickel wire support portion 200 includes NiTi net；
One end of the NiTi net is connected to the outer surface of the acetabular bone matrix 100, and the other end of the NiTi net can
It is fitted in the outer surface of the acetabular bone matrix 100.
In the present embodiment, titanium-nickel wire support portion 200 use NiTi thin plate, be cut by laser on NiTi thin plate or
The mode of engraving forms NiTi net, then the lower end of NiTi net is welded on to the outer surface of acetabular bone matrix 100, the upper end of NiTi net
It is fitted on acetabular bone matrix 100, NiTi net is the reticular structure of an entirety, and fixed form is secured, enhanced convenience when use.
Under normal temperature state, NiTi net is fitted in the outer surface of acetabular bone matrix 100, under phase transition temperature, NiTi network recovery
When to upright state, the upper end of NiTi net is supported in the bone gap of human body acetabular fossa, is carried out with the position to acetabular bone matrix 100
It is fixed.
Further, the acetabular bone matrix 100 is using any one material in vitallium, titanium alloy, stainless steel
Material production.
Further, the outer surface of the acetabular bone matrix 100 is using blasting treatment, titanium spray treatment, at plasma spraying
Any one in reason.
Acetabular bone matrix 100 is made of titanium alloy material, to the surface of acetabular bone matrix 100 by the way of sandblasting, makes hip
The surface of mortar matrix 100 forms rough surface, perhaps in the progress titanium spraying of the surface of acetabular bone matrix 100 or in acetabular bone matrix 100
Surface carry out plasma spraying, grown on acetabular bone matrix 100 convenient for bone tissue.
The present invention also provides a kind of method for implantation of acetabular component, include the following steps；
Fixed acetabular bone matrix
It is implanted into the acetabular bone matrix 100, the transition temperature range of titanium-nickel wire support portion 200 is high between 37 DEG C~50 DEG C
In the body temperature of normal person, the implantation of operation is thus easily facilitated.Else if as the product of cardiac stent class, by phase transition temperature
It is arranged near 37 DEG C of body temperature, then acetabular component once touches human body during operation, it is necessary to rapidly squeeze into
Enter, otherwise, after titanium-nickel wire support portion 200 is upright, acetabular bone matrix 100 will be difficult to be implanted into, or be difficult to carrying out position after implantation
The adjustment set；
Titanium-nickel wire support portion 200 uses multiple first titanium-nickel wires 201, and the lower end of the first titanium-nickel wire 201 is matched using interference
The mode of conjunction is connected to the outer surface of acetabular bone matrix 100, is then implanted into the acetabular bone matrix 100；
Fixed titanium-nickel wire support portion
The titanium-nickel wire support portion 200 is heated using heating equipment, after heating, the titanium-nickel wire support portion 200
The other end be in upright state, and the titanium-nickel wire support portion 200 the other end insertion human body acetabular fossa bone gap in；
Titanium-nickel wire support portion 200 uses multiple first titanium-nickel wires 201, using medical equipment to first titanium-nickel wire 201
It is heated, medical equipment are as follows: any one in hot hair dryer, heating lamp, heating temperature time are 5~10 seconds, can be touched
The phase transformation for sending out the first titanium-nickel wire 201 makes one end above the first titanium-nickel wire 201 in upright state, and first titanium-nickel wire
One end above 201 can be inserted into the bone gap of human body acetabular fossa moment, and fixation is realized.
The present invention also provides a kind of hip prosthesis, including type femoral bone end prosthesis, femoral head prosthesis and the acetabular component；
The type femoral bone end prosthesis is cooperated with the femoral head prosthesis by taper,
The femoral head prosthesis is connected in the accommodating chamber of the acetabular bone matrix medial surface or described by acetabular bone liner
Femoral head prosthesis is connected in the accommodating chamber of the acetabular bone matrix medial surface,
One end of the titanium-nickel wire support portion 200 connects the outer surface of the acetabular bone matrix 100, the titanium-nickel wire support portion
200 other end is inserted into the bone gap of human body acetabular fossa.
The present invention is in use, be attached to first titanium-nickel wire 201 on 100 surface of acetabular bone matrix by geneva under human body temperature
Body mutually restores to austenite phase, so that realizing the first titanium-nickel wire 201 switchs to upright state by the state of crawling, it is upright after first
Titanium-nickel wire 201 is directly pierced into the cancellous bone of human body acetabular fossa, since the first all titanium-nickel wires 201 can be all pierced into, is realized
Huge anchorage effect compared with prior art adopts the single-point fixed form being screwed, fixed form of the invention is more
It is secured.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (9)
1. a kind of acetabular component, which is characterized in that including acetabular bone matrix (100) and titanium-nickel wire support portion (200)；
The acetabular bone matrix (100) is that semicircle is spherical, the outer surface of the acetabular bone matrix (100) and the titanium-nickel wire support portion
(200) one end connection, the other end of the titanium-nickel wire support portion (200) are fitted in the outer surface of the acetabular bone matrix (100)；
The transition temperature range of the titanium-nickel wire support portion (200) is between 37 DEG C~50 DEG C；
After acetabular component is implanted into human body acetabular fossa, the other end of the titanium-nickel wire support portion (200) at a certain temperature can
Uprightly, the other end of the titanium-nickel wire support portion (200) is inserted into the bone gap of human body acetabular fossa.
2. acetabular component according to claim 1, which is characterized in that the titanium-nickel wire support portion (200) includes the first nickel
Titanium silk (201)；
One end of first titanium-nickel wire (201) is connected to the outer surface of the acetabular bone matrix (100), first titanium-nickel wire
(201) the other end is free end；
The quantity of first titanium-nickel wire (201) be it is multiple, multiple first titanium-nickel wires (201) are uniformly connected to the acetabular bone
The outer surface of matrix (100).
3. acetabular component according to claim 2, which is characterized in that the other end of multiple first titanium-nickel wires (201)
Weft direction in the outer surface of the acetabular bone matrix (100) is bonded distribution；
Alternatively, the warp direction of outer surface of the other end of multiple first titanium-nickel wires (201) in the acetabular bone matrix (100)
Fitting distribution；
Alternatively, warp, the latitude of outer surface of the other end of multiple first titanium-nickel wires (201) in the acetabular bone matrix (100)
Line direction is staggeredly bonded distribution.
4. acetabular component according to claim 2, which is characterized in that the diameter value model of first titanium-nickel wire (201)
It is trapped among between 0.2mm~1mm；
The length value range of first titanium-nickel wire (201) is between 0.5mm~1.5mm.
5. acetabular component according to claim 2, which is characterized in that one end of first titanium-nickel wire (201) with it is described
Connection type between the outer surface of acetabular bone matrix (100) is any one in welding, press, being interference fitted.
6. acetabular component according to claim 2, which is characterized in that the titanium-nickel wire support portion (200) further includes second
Titanium-nickel wire (202)；
The other end of multiple first titanium-nickel wires (201) is connected in turn on second titanium-nickel wire (202), second nickel
Titanium silk (202) can be fitted in the outer surface of the acetabular bone matrix (100).
7. acetabular component according to claim 1, which is characterized in that the titanium-nickel wire support portion (200) includes NiTi net；
One end of the NiTi net is connected to the outer surface of the acetabular bone matrix (100), and the other end of the NiTi net can paste
It closes in the outer surface of the acetabular bone matrix (100).
8. a kind of hip prosthesis, which is characterized in that including type femoral bone end prosthesis, femoral head prosthesis and as appointed in claim 1-7
Acetabular component described in one；
The type femoral bone end prosthesis is cooperated with the femoral head prosthesis by taper,
The femoral head prosthesis is connected in the accommodating chamber (101) of acetabular bone matrix (100) medial surface by acetabular bone liner, or
Femoral head prosthesis described in person is connected in the accommodating chamber (101) of acetabular bone matrix (100) medial surface,
One end of the titanium-nickel wire support portion (200) connects the outer surface of the acetabular bone matrix (100), the titanium-nickel wire support portion
(200) the other end is inserted into the bone gap of human body acetabular fossa.
9. a kind of method for implantation of such as acetabular component of any of claims 1-7, which is characterized in that including as follows
Step；
Fixed acetabular bone matrix
It is implanted into the acetabular bone matrix (100)；
Fixed titanium-nickel wire support portion
The titanium-nickel wire support portion (200) is heated using heating equipment, after heating, the titanium-nickel wire support portion (200)
The other end be in upright state, and the titanium-nickel wire support portion (200) the other end insertion human body acetabular fossa bone gap in.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811037640.4A CN109259900B (en) | 2018-09-06 | 2018-09-06 | Acetabular prosthesis, hip joint prosthesis and method for implanting an acetabular prosthesis |
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|---|---|---|---|
| CN201811037640.4A CN109259900B (en) | 2018-09-06 | 2018-09-06 | Acetabular prosthesis, hip joint prosthesis and method for implanting an acetabular prosthesis |
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| CN109259900B CN109259900B (en) | 2023-08-22 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109259900B (en) | 2023-08-22 |
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