CN209075037U - Acetabular component and hip prosthesis - Google Patents
Acetabular component and hip prosthesis Download PDFInfo
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- CN209075037U CN209075037U CN201821459587.2U CN201821459587U CN209075037U CN 209075037 U CN209075037 U CN 209075037U CN 201821459587 U CN201821459587 U CN 201821459587U CN 209075037 U CN209075037 U CN 209075037U
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Abstract
The utility model provides a kind of acetabular component and hip prosthesis, 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.The titanium-nickel wire support portion of the utility model 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 utility model relates to the technical fields of joint prosthesis, more particularly, to a kind of acetabular component and hip prosthesis.
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.
Utility model content
The purpose of this utility model is to provide a kind of acetabular components, and existing in the prior art to solve, biology
The fixed acetabular component of type is initially not fixed firmly the technical issues of being not fixed firmly with long term.
The utility model also provides a kind of hip prosthesis, to solve in the prior art, the fixed acetabular component of bion
Initially it is not fixed firmly the technical issues of being not fixed firmly with long term.
A kind of acetabular component provided by the utility model, 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 utility model also provides a kind of hip prosthesis, including type femoral bone end prosthesis, femoral head prosthesis and the acetabular bone
Prosthese；
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.
A kind of acetabular component provided by the utility model, the acetabular bone matrix is that semicircle is spherical, so that the acetabular bone matrix
It is identical as the structure of human body acetabular fossa, it is convenient for being cooperatively connected；The medial surface of the acetabular bone matrix is equipped with accommodating chamber, utilizes institute
Accommodating chamber is stated directly to accommodate femoral head prosthesis or accommodate femoral head prosthesis by acetabular bone liner；The outer surface of the acetabular bone matrix connects
The one end for connecing the titanium-nickel wire support portion is fixed, institute using position of the acetabular bone matrix to the titanium-nickel wire support portion
The other end for stating titanium-nickel wire support portion is fitted in the outer surface of the acetabular bone matrix, so that the titanium-nickel wire support portion can be with people
Body acetabular fossa fits fixation, and the titanium-nickel wire support portion has shape memory characteristic, super-elasticity, and temperature change sensibility resists
Corrosive nature, mithridatism, soft Orthodontic force, good damping performance effectively avoid in the prior art, it is initial fixed and
The problem of long term is not fixed firmly；The phase transition temperature of the titanium-nickel wire support portion is at 37 DEG C~50 DEG C, higher than the temperature of human body, just
In surgical procedure, 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
It is in upright state at a temperature of certain, so that the other end of the titanium-nickel wire support portion be made to be inserted directly into the bone of human body acetabular fossa
It in gap, is fixed, fixes acetabular bone matrix in this way, it is either initial fixed or at a specified future date fixed all very firm
Gu the phenomenon that any acetabular component loosens will not be generated.The utility model utilizes the memory characteristic of Nitinol, devises a
The acetabular component of innovation, so that acetabular component remains to reach non-in the case where also not using blocked up coating without using screw
Often good initial fixed and at a specified future date fixed effect.
The utility model also provides a kind of hip prosthesis, and above-mentioned acetabular component is connected on the femur bulb, benefit
Fixation is supported to acetabular bone matrix with titanium-nickel wire support portion, fixed form is simple, stablizes, securely.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it 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 by the embodiment of the utility model；
Fig. 2 is the main view of the first acetabular component provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of the first acetabular component medial surface provided by the embodiment of the utility model；
Fig. 4 is the structural representation that the first titanium-nickel wire provided by the embodiment of the utility model is fitted in acetabular bone outer surface of matrix
Figure；
Fig. 5 is the structural representation that the first titanium-nickel wire provided by the embodiment of the utility model stands upright on acetabular bone outer surface of matrix
Figure；
Fig. 6 is the structural schematic diagram of second of acetabular component provided by the embodiment of the utility model outer surface；
Fig. 7 is the main view of second of acetabular component provided by the embodiment of the utility model；
Fig. 8 is the structural schematic diagram of second of acetabular component medial surface provided by the embodiment of the utility model；
Fig. 9 is the structural schematic diagram that NiTi net provided by the embodiment of the utility model is fitted in acetabular bone outer surface of matrix；
Figure 10 is the structural schematic diagram that NiTi net provided by the embodiment of the utility model stands upright on acetabular bone outer surface of matrix；
Figure 11 is the structural schematic diagram of the third acetabular component outer surface provided by the embodiment of the utility model；
Figure 12 is the structural schematic diagram of the 4th kind of acetabular component outer surface provided by the embodiment of the utility model.
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
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are 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 " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Fig. 1 is the structural schematic diagram of the first acetabular component outer surface provided by the embodiment of the utility model；Fig. 2 is this reality
With the main view for the first acetabular component that new embodiment provides；Fig. 3 is the first hip provided by the embodiment of the utility model
The structural schematic diagram of mortar prosthese medial surface；Fig. 4 is that the first titanium-nickel wire provided by the embodiment of the utility model is fitted in acetabular bone matrix
The structural schematic diagram of outer surface；Fig. 5 is that the first titanium-nickel wire provided by the embodiment of the utility model stands upright on acetabular bone outer surface of matrix
Structural schematic diagram.
As shown in Fig. 1~5, a kind of acetabular component provided by the utility model, 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 utility model, the phase transition temperature value range of titanium-nickel wire support portion 200 is 37 DEG C~50
Between DEG C, higher than the temperature of human body, under normal temperature state, titanium-nickel wire support portion 200 is geneva posture, titanium-nickel wire support portion 200
It is fitted in the outer surface of acetabular bone matrix 100, forms arbitrary shape, no matter titanium-nickel wire support portion 200 is in the outer of acetabular bone matrix 100
Which type of shape surface forms, when titanium-nickel wire support portion 200 restores under phase transition temperature to upright state, energy
It is enough inserted into 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 by the embodiment of the utility model outer surface；Fig. 7 is this reality
With the main view for second of acetabular component that new embodiment provides；Fig. 8 is second of hip provided by the embodiment of the utility model
The structural schematic diagram of mortar prosthese medial surface；Fig. 9 is that NiTi net provided by the embodiment of the utility model is fitted in acetabular bone matrix appearance
The structural schematic diagram in face；Figure 10 is that the structure that NiTi net provided by the embodiment of the utility model stands upright on acetabular bone outer surface of matrix is shown
It is intended to.
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 by the embodiment of the utility model；
As shown in figure 11, in one embodiment of the utility model, under normal temperature state, multiple first titanium-nickel wires 201
Lower end is uniformly fixedly connected on the outer surface of acetabular bone matrix 100, and the upper end of multiple first titanium-nickel wires 201 is along acetabular bone matrix
The weft direction of 100 outer surface is bonded distribution, under phase transition temperature, when the first titanium-nickel wire 201 restores to upright state, and first
The upper end of 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.
Figure 12 is the structural schematic diagram of the 4th kind of acetabular component outer surface provided by the embodiment of the utility model.
As shown in figure 12, in one embodiment of the utility model, under normal temperature state, multiple first titanium-nickel wires 201
Lower end is uniformly fixedly connected on the outer surface of acetabular bone matrix 100, and the upper end of multiple first titanium-nickel wires 201 is along acetabular bone matrix
The warp direction of 100 outer surface is bonded distribution, under phase transition temperature, when the first titanium-nickel wire 201 restores to upright state, and first
The upper end of 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.
As shown in fig. 6, in one embodiment of the utility model, under normal temperature state, under multiple first titanium-nickel wires 201
End is uniformly fixedly connected on the outer surface of acetabular bone matrix 100, and the upper end of multiple first titanium-nickel wires 201 is along acetabular bone matrix 100
The warp of outer surface, weft direction fitting be uniformly distributed, under phase transition temperature, the first titanium-nickel wire 201 restores to upright state
When, the upper end of the first titanium-nickel wire 201 is inserted into the bone gap of human body acetabular fossa, is carried out with the position to acetabular bone matrix 100
It is fixed.
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 utility model, the diameter value of the first titanium-nickel wire 201 is 0.5mm, the first titanium-nickel wire 201
Diameter value should not be too thick, will be relatively difficult too slightly in room temperature bending and molding, too detailed rules and regulations are restored relatively difficult, can not
It is inserted 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 utility model, the lower end of the first titanium-nickel wire 201 is welded on the outer surface of acetabular bone matrix 100
On, welding manner is simple.
In another embodiment of the utility model, the lower end of the first titanium-nickel wire 201 is connected to acetabular bone using the mode of pressing
On the outer surface of matrix 100, 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 utility model, the lower end of the first titanium-nickel wire 201 is connected by the way of interference fit
On the outer surface of acetabular bone matrix 100, jail is used for a long time after the installation of the first titanium-nickel wire 201 using the connection type of interference fit
Solidity is good, therefore, 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 utility model, as shown in figure 9, under normal temperature state, multiple first titanium-nickel wires 201 it is upper
End is connected in turn 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
After multiple first titanium-nickel wires 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
When 201 recoveries to upright state, the upper end of the first titanium-nickel wire 201 is supported on the bone of human body acetabular fossa by the second titanium-nickel wire 202
In gap, 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.
A kind of method for implantation of acetabular component, includes the following steps；
Fixed acetabular bone matrix
The transition temperature range of titanium-nickel wire support portion 200 is between 37 DEG C~50 DEG C, higher than the body temperature of normal person, thus
Easily facilitate the implantation of operation.Else if phase transition temperature is arranged near 37 DEG C of body temperature as the product of cardiac stent class, that
During operation, acetabular component once touches human body, it is necessary to rapidly squeeze into, otherwise, when titanium-nickel wire branch
After support part 200 is upright, acetabular bone matrix 100 will be difficult to be implanted into, or be difficult to after implantation in the adjustment for carrying out position；
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
First titanium-nickel wire 201 is heated using medical equipment, medical equipment are as follows: in hot hair dryer, heating lamp
Any one, the heating temperature time be 5~10 seconds, that is, can trigger the first titanium-nickel wire 201 phase transformation, make the first titanium-nickel wire 201
One end above is in upright state, and one end above first titanium-nickel wire 201 can be inserted into human body acetabular fossa moment
In bone gap, fixation is realized.
The utility model also provides a kind of hip prosthesis, including type femoral bone end prosthesis, femoral head prosthesis and the acetabular bone
Prosthese；
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.
When the utility model is used, under human body temperature, be attached to first titanium-nickel wire 201 on 100 surface of acetabular bone matrix by
Martensitic phase restores to austenite phase, so that realizing the first titanium-nickel wire 201 switchs to upright state by the state of crawling, after upright
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,
Huge anchorage effect is realized, compared with prior art, adopts the single-point fixed form being screwed, the fixation of the utility model
Mode is more secured.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (8)
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) energy under the phase transition temperature
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.
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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821459587.2U CN209075037U (en) | 2018-09-06 | 2018-09-06 | Acetabular component and hip prosthesis |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821459587.2U CN209075037U (en) | 2018-09-06 | 2018-09-06 | Acetabular component and hip prosthesis |
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| CN209075037U true CN209075037U (en) | 2019-07-09 |
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| CN201821459587.2U Active CN209075037U (en) | 2018-09-06 | 2018-09-06 | Acetabular component and hip prosthesis |
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